1 2000-03-09 Richard Henderson <rth@cygnus.com>
2 Alex Samuel <samuel@codesourcery.com> and others
4 * Makefile.in (ssa.o): New rule.
6 (STAGESTUFF): Add *.ssa and *.ussa.
7 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
8 * rtl.def (PHI): New RTL expression.
9 * rtl.h (clear_log_links): New declaration.
10 (convert_to_ssa): Likewise.
11 (convert_from_ssa): Likewise.
12 * flow.c (split_edge): If the entry node falls through to the
13 split edge's source block, split the entry edge.
14 (clear_log_links): New function.
15 * toplev.c (ssa_dump): New variable.
17 (f_options): Add "ssa".
18 (compile_file): Create SSA dump files.
19 (rest_of_compilation): Go to and from SSA if enabled.
20 (decide_d_option): Handle -de for SSA dump files.
23 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
25 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
28 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
30 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
32 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
34 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
35 (MD_STARTFILE_PREFIX_1): New macro.
37 2000-03-09 Robert Lipe <robertl@sco.com>
39 * config/ia64/ia64.c: Include system.h.
41 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
43 * except.c (nothrow_function_p): If -fno-exceptions, just return.
44 (init_eh_nesting_info): Likewise.
46 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
47 (TREE_NOTHROW): Rename from TREE_RAISES.
48 * toplev.c (rest_of_compilation): Set it.
49 * print-tree.c (print_node): Adjust.
50 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
51 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
52 * calls.c (emit_call_1): Add 'nothrow' parm. Add
53 REG_EH_REGION note as appropriate.
54 (libfunc_nothrow): New fn.
55 (emit_library_call, emit_library_call_value): Use it.
56 (expand_call): Check TREE_NOTHROW.
58 * varasm.c (make_decl_rtl): Skip initial '*' when setting
61 2000-03-09 Andreas Jaeger <aj@suse.de>
63 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
64 (TARGET_MEM_FUNCTIONS): Define.
66 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
68 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
70 * except.c (can_throw): See through a SEQUENCE.
71 (nothrow_function_p): New fn.
72 * except.h: Declare it.
73 * function.c (current_function_nothrow): New var.
74 (prepare_function_start): Initialize it.
75 * output.h: Declare it.
76 * toplev.c (rest_of_compilation): Set it.
77 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
79 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
81 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
82 match. (cpp_compare_defs): Count the nul separator when
83 advancing over argument names.
85 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
87 * recog.c (preprocess_constraints): Matching constraints affect
88 same alternative/different operand, not same operand/different
91 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
92 register and a constant specially.
94 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
96 * libgcc2.h: New file.
97 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
99 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
101 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
102 * configure: Regenerate.
105 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
107 * Makefile.in (LIBCPP_DEPS): New macro.
108 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
110 * cpperror.c: Include cpphash.h.
111 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
113 (lex): Don't use CPP_WARN_UNDEF.
114 (_cpp_parse_expr): Return an int, the truth value.
115 * cppfiles.c: Include cpphash.h.
116 (_cpp_merge_include_chains): Move to cppinit.c and make static.
117 * cppinit.c (include_defaults_array): Disentangle.
118 (cpp_cleanup): Don't free the if stack here.
119 (cpp_finish): Pop off all buffers, not just one.
120 * cpplib.c (eval_if_expr): Return int.
121 (do_xifdef): Rename do_ifdef.
122 (handle_directive): Don't use CPP_PREPROCESSED.
123 (cpp_get_token): Don't use CPP_C89.
124 * fix-header.c: Don't use CPP_OPTIONS.
126 * cpplib.h: Move U_CHAR, enum node_type, struct
127 file_name_list, struct ihash, is_idchar, is_idstart,
128 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
129 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
130 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
131 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
132 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
133 of _cpp_simplify_pathname, _cpp_find_include_file,
134 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
135 Move struct if_stack to cpplib.c. Move struct cpp_pending to
137 Change all uses of U_CHAR to be unsigned char instead.
138 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
140 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
142 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
143 (dwarf2out_begin_prologue): Set it.
144 (output_call_frame_info): Don't emit EH unwind info for leaves.
146 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
147 can occur outside of an EH region.
148 * except.c: Correct comments about rethrow behavior.
149 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
151 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
153 * flow.c (make_edges): Always call make_eh_edge for calls.
155 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
157 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
158 (struct cpp_buffer): Remove fname and underflow fields.
159 (struct cpp_reader): Remove get_token field.
160 (struct include_hash): Rename to struct ihash. Add typedef to
162 (struct if_stack): Remove fname field.
163 (IF_STACK_FRAME): Rename to IF_STACK.
165 * cpperror.c (print_containing_files): Trust that there are no
166 macro buffers below the top file buffer.
167 * cppfiles.c: Replace all references to 'struct include_hash'
168 with 'IHASH'. Rename initialize_input_buffer to
169 init_input_buffer. Don't set or reference cpp_buffer->fname,
170 use buffer->ihash->name instead.
171 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
173 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
174 IF_STACK_FRAME, IHASH not struct include_hash.
175 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
176 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
177 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
178 references to cpp_buffer->fname (delete entirely, or use
179 ->ihash->name instead) and IF_STACK->fname.
180 (cpp_push_buffer): Don't set new->underflow.
181 (do_include): Use cpp_file_buffer.
183 * cpphash.c (collect_formal_parameters): Remove duplicate
184 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
185 used as a macro argument name. Don't append "..." to namebuf
186 for varargs macros. After we're done scanning, go through
187 namebuf and make it NUL separated, not comma separated.
188 (_cpp_compare_defs): Remove register tag from variables.
189 Expect defn->argnames to be NUL separated.
190 (_cpp_dump_definition): Expect defn->argnames to be NUL
191 separated and in forward order.
192 * cpphash.h: Update documentation of argnames field.
194 2000-03-08 Richard Henderson <rth@cygnus.com>
196 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
197 to fail. Don't pre-expand the source operand.
199 * i386.md (strlensi): Initialize eoschar and align before use.
201 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
203 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
206 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
208 * mips.c (mips_expand_prologue): If the last
209 named argument is the vararg marker "va_list", treat it as
212 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
214 * dbxout.c (dbxout_parms): When correcting for promoted
215 big-endian parameters, use the mode of the DECL_RTL rather
218 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
220 * c-common.h (make_fname_decl): Declare.
221 * c-common.c (make_fname_decl): Define.
222 (declare_hidden_char_array): Remove.
223 (declare_function_name): Use make_fname_decl.
224 * c-decl.c (c_make_fname_decl): New function.
225 (init_decl_processing): Set make_fname_decl.
227 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
229 * cccp.c (handle_directive): Initialize backslash_newlines_p.
231 2000-03-07 Philipp Thomas <pthomas@suse.de>
233 * po/POTFILES.in: Remove cppalloc.c from file list.
235 2000-03-07 Steve Chamberlain <sac@pobox.com>
237 * pj.c (pj_expand_prologue): current_function->args_info is
238 now current_function_args_info.
240 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
241 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
242 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
244 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
246 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
247 output as hexadecimal rather than the default octal.
249 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
251 * cpphash.c (special_symbol): Fix thinko in previous commit.
253 2000-03-07 Neil Booth <NeilB@earthling.net>
255 * cppexp.c (struct operation, left_shift, right_shift,
256 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
257 "int"s to "unsigned int"s.
258 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
260 * cpplib.h: Update for above.
261 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
262 returned from allocations.
264 * cppinit.c (opt_comp, parse_options): New functions.
265 (handle_option): Use parse_option to parse a single command
266 line option, that possibly takes an argument.
267 (cpp_handle_options): Sort the array of command line options on
268 first invocation (non-ASCII hosts only).
269 (print_help): Update.
271 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
273 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
274 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
276 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
278 * cppinit.c (cpp_cleanup): Free imp->nshort also.
280 * cpperror.c (cpp_print_containing_files,
281 cpp_print_file_and_line, v_cpp_message): Rename to
282 print_containing_files, print_file_and_line, and v_message.
283 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
284 to _cpp_parse_expr, parse_escape, and lex.
285 (parse_charconst): Remove broken multibyte support.
286 * cppfiles.c (include_hash): Make static.
287 (cpp_included): New function.
288 (merge_include_chains, find_include_file, finclude,
289 simplify_pathname): Rename to _cpp_merge_include_chains,
290 _cpp_find_include_file, _cpp_read_include_file, and
291 _cpp_simplify_pathname.
292 * cpphash.c (cpp_lookup, free_definition, delete_macro,
293 cpp_install, create_definition, macroexpand, compare_defs,
294 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
295 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
296 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
297 * cppinit.c (cpp_handle_option): Rename to handle_option, make
299 * cpplib.c: Remove extern prototype of cpp_parse_expr.
301 * cpphash.h: Update prototypes.
302 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
304 2000-03-07 Andrew Haley <aph@cygnus.com>
306 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
307 PTRDIFF_TYPE should be based solely on Pmode.
310 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
312 * rtl.h (rtunion_def): Constify member `rtstr'.
313 (emit_line_note_after, emit_line_note, emit_line_note_force,
314 emit_note, decode_asm_operands): Constify.
316 * cse.c (canon_hash): Likewise.
318 * dbxout.c (dbxout_block): Likewise.
320 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
321 v_warning_for_asm): Likewise.
323 * dwarfout.c (function_start_label): Likewise.
325 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
326 emit_line_note_force): Likewise.
328 * final.c (last_filename, asm_insn_count, final_scan_insn,
329 output_source_line): Likewise.
331 * function.h (struct emit_status): Likewise.
333 * gcse.c (hash_expr_1): Likewise.
335 * genattr.c (gen_attr, main): Likewise.
337 * genattrtab.c (struct function_unit, current_alternative_string,
338 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
339 attr_numeral, check_attr_test, check_attr_value,
340 convert_set_attr_alternative, convert_set_attr,
341 compute_alternative_mask, simplify_by_exploding, gen_attr,
344 * genflags.c (gen_insn): Likewise.
346 * gengenrtl.c (type_from_format): Likewise.
348 * genopinit.c (gen_insn): Likewise.
350 * genoutput.c (n_occurrences, process_template, process_template):
353 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
356 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
359 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
360 ggc_set_mark, ggc_get_size): Likewise.
362 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
364 * optabs.c (init_one_libfunc): Likewise.
366 * output.h (assemble_start_function): Likewise.
368 * recog.c (decode_asm_operands): Likewise.
370 * toplev.c (rest_of_compilation): Likewise.
372 * tree.h (emit_line_note_after, emit_line_note,
373 emit_line_note_force): Likewise.
375 * varasm.c (asm_output_bss, asm_output_aligned_bss,
376 asm_emit_uninitialised, assemble_start_function,
377 assemble_variable, const_hash, compare_constant_1,
378 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
380 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
382 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
384 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
386 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
388 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
389 arm_dllimport_name_p): Likewise.
391 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
394 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
396 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
398 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
399 arm_mark_dllexport, arm_mark_dllimport,
400 arm_pe_encode_section_info): Likewise.
402 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
403 ASM_FINISH_DECLARE_OBJECT): Likewise.
405 * arm/thumb.c (thumb_function_prologue): Likewise.
407 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
409 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
411 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
413 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
415 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
417 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
419 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
420 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
422 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
424 * i386/i386.c (asm_output_function_prefix): Likewise.
426 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
428 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
430 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
432 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
433 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
434 ASM_OUTPUT_SECTION_NAME): Likewise.
436 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
438 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
440 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
442 * m32r/m32r.c (m32r_encode_section_info): Likewise.
444 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
446 * mcore/mcore.c (mcore_encode_section_info): Likewise.
448 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
450 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
452 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
454 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
456 * mips/mips.md (movdi, movsi): Likewise.
458 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
460 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
462 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
464 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
465 ASM_OUTPUT_ASCII): Likewise.
467 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
468 output_mi_thunk, output_toc): Likewise.
470 * rs6000/rs6000.md (movsi): Likewise.
472 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
474 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
476 * v850/v850.c (print_operand, print_operand_address,
477 v850_encode_data_area): Likewise.
479 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
481 * config/mips/mips.md (zero_extendsidi2): Always force operand
482 one to memory for mips16.
484 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
486 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
487 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
488 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
489 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
490 (min_precision): Result is unsigned.
491 (add_double, neg_double, mul_double): Low word is unsigned.
492 (lshift_double, rshift_double, lrotate_double): Likewise.
493 (rrotate_double, div_and_round_double): Likewise.
494 (tree_floor_log2, compare_tree_int): New functions.
495 (preserve_rtl_expr_temps): New declaration.
496 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
497 (decl_attributes): Use tree_log2 to find alignment.
498 Check for TREE_INT_CST_HIGH for format args.
499 (min_precision): Now unsigned.
501 (truthvalue_conversion): Delete long-disabled code.
502 * c-decl.c (finish_struct): Clean up tests on field width.
503 (finish_function): Use compare_tree_int.
504 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
505 * c-typeck.c (comptypes): Use tree_int_cst_equal.
506 (default_conversion, digest_init): Use compare_tree_int.
507 (build_binary_op): Use integer_all_onesp and compare_tree_int.
508 Fix type errors in forming masks.
509 * calls.c (initialize_argument_information): Use compare_tree_int.
510 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
511 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
512 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
513 (store_field): Use compare_tree_int.
514 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
515 (expand_expr, case ARRAY_REF): Use compare_tree_int.
516 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
517 (do_store_flag): Use compare_tree_int.
518 * fold-const.c (encode, decode): Low part is always unsigned.
519 (force_fit_type, add_double, neg_double, mul_double): Likewise.
520 (lshift_double, rshift_double, lrotate_double): Likewise.
521 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
522 (fold_convert): Use compare_tree_int.
523 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
524 (invert_truthvalue, case INTEGER_CST): Likewise.
525 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
526 * mkdeps.c (deps_dummy_targets): Make I unsigned.
527 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
528 (lshift_double, rshift_double, lrotate_double, rrotate_double):
530 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
531 (expand_end_case): Use compare_tree_int.
532 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
533 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
534 (layout_decl): Likewise.
535 (layout_record, layout_union): Make sizes unsigned.
536 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
537 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
538 * tree.c (struct type_hash): hashcode is unsigned.
539 (build_type_attribute_variant, type_hash_list): Likewise.
540 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
541 (attribute_hash_list, build_array_type, build_method_type): Likewise.
542 (build_complex_type): Likewise.
543 (real_value_from_int_cst): Remove unneeded casts.
544 (integer_all_onesp): Add casts.
545 (tree_floor_log2, compare_tree_int): New functions.
546 (build_index_type): Use tree_int_cst_sgn.
547 * varasm.c (assemble_variable): Use compare_tree_int.
549 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
551 * cpphash.c (collect_expansion): Also catch ## at start of macro.
553 * varasm.c (make_decl_rtl): Don't add a number to members of
555 (make_function_rtl): Likewise.
557 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
559 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
560 patch from 2000-01-28.
562 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
564 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
565 filled with an insn from the jump target.
567 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
569 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
570 (c4x_external_ref): Likewise.
571 * config/c4x/c4x.c (struct name_list): Likewise.
573 1999-12-16 Ben Collins <bcollins@debian.org>
575 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
576 argument to genmultilib.
577 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
578 the contents into the multilib.h header.
579 * gcc.c: Declare multilib_exclusions for the specs file.
580 (set_multilib_dir): Use it.
581 (print_multilib_info): Likewise.
582 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
583 to pass to genmultilib.
585 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
587 * builtins.c (built_in_class_names, built_in_names): Constify a
590 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
592 (_mcleanup): Ensure value matches format specifier in sprintf.
594 * cpphash.c (special_symbol): Don't needlessly cast away
597 * cppinit.c (base_name): Delete unused prototype.
599 * mkdeps.c (deps_init): Make definition K&R safe.
601 * tree.h (built_in_class_names, built_in_names): Constify a
604 2000-03-06 Jakub Jelinek <jakub@redhat.com>
606 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
607 floating point instructions for epilogue delay.
609 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
610 to gas if it supports .register pseudo.
612 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
613 LONG_DOUBLE_TYPE_SIZE if not defined.
614 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
615 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
617 * gengenrtl.c: Likewise.
618 * print-rtl.c: Likewise.
620 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
621 MASK_LONG_DOUBLE_128.
622 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
623 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
624 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
625 (SUBTARGET_SWITCHES): Define.
626 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
627 with -mlong-double-128.
628 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
629 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
630 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
631 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
632 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
633 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
634 with -mlong-double-128.
635 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
636 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
637 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
638 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
639 TARGET_LONG_DOUBLE_128): Define.
640 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
641 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
642 long double on TARGET_ARCH64.
644 2000-03-06 Mark Mitchell <mark@codesourcery.com>
646 * function.c (free_temps_for_rtl_expr): Don't free slots
647 that have been pushed into a higher level.
650 2000-03-05 Mark Mitchell <mark@codesourcery.com>
652 2000-03-05 Mark Mitchell <mark@codesourcery.com>
654 * basic-block.h (ALLOCA_REG_SET): Remove.
655 (INITIALIZE_REG_SET): New macro.
656 * flow.c (update_life_info): Use it.
657 (calculate_global_regs_live): Likewise.
658 (propagate_block): Likewise.
659 * global.c (build_insn_chain): Likewise.
660 * haifa-sched.c (schedule_region): Likewise.
662 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
664 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
665 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
666 (DWARF_ARANGES_PAD_SIZE): New define.
667 (output_aranges): Use it to pad the address range header.
668 (DWARF_ROUND): Fix for non power of 2 rounding.
670 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
672 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
674 2000-03-05 Mark Mitchell <mark@codesourcery.com>
676 * tree.def (RTL_EXPR): Update documentation.
677 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
678 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
679 * function.c (preserve_rtl_expr_temp): New function.
680 (preserve_rtl_expr_temps): Likewise.
681 (preserve_rtl_expr_result): Use it.
684 2000-03-04 Mark Mitchell <mark@codesourcery.com>
686 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
688 * regmove.c (copy_src_to_dest) Do not create src->dest move
689 for unchanging destination.
691 2000-03-04 Mark Mitchell <mark@codesourcery.com>
693 * function.h (struct sequence_stack): Remove rtl_expr.
694 (struct emit_staus): Likewise.
695 (seq_rtl_expr): Remove.
696 * tree.h (free_temps_for_rtl_expr): Don't declare.
697 (start_sequence_for_rtl_expr): Likewise.
698 * rtl.h (preserve_rtl_expr_result): Likewise.
699 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
700 (start_sequence_for_rtl_expr): Remove.
701 (push_topmost_sequence): Don't save sequence_rtl_expr.
702 (pop_topmost_sequence): Remove comment about not restoring it.
703 (end_sequence): Don't set seq_rtl_expr.
704 (init_emit): Don't initialize it.
705 (mark_sequence_stack): Don't mark it.
706 (mark_emit_status): Likewise.
707 * except.c (protect_with_terminate): Use
708 start_sequence_for_rtl_expr, not start_sequence.
709 * expr.c (expand_expr, case RTL_EXPR): Don't call
710 preserve_rtl_expr_result or free_temps_for_rtl_expr.
711 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
712 (preserve_rtl_expr_result): Remove.
713 (free_temps_for_rtl_expr): Likewise.
714 (pop_temp_slots): Likewise.
715 (mark_temp_slot): Don't mark the rtl_expr.
716 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
717 start_sequence_for_rtl_expr.
719 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
721 * mkdeps.c, mkdeps.h: New files.
722 * po/POTFILES.in: Add them.
723 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
724 (cpplib.o, cppinit.o): Depend on mkdeps.h.
725 (mkdeps.o): New target.
727 * cppfiles.c: Delete deps_output.
728 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
729 OBJECT_SUFFIX, and base_name.
730 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
732 (initialize_dependency_output): Use deps_init,
733 deps_add_target, deps_calc_target, and deps_add_dep. Remove
734 all the unnecessary string bashing.
735 (cpp_finish): Use deps_write. Remove an unnecessary nesting
737 * cpplib.c (do_include): Use deps_add_dep.
738 * cpplib.h (struct cpp_reader): Replace deps_buffer,
739 deps_allocated_size, deps_size, deps_column members with
740 single pointer to a struct deps. Delete prototype of
743 * cppinit.c: Fix thinko in previous patch.
745 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
747 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
748 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
749 (mode_for_size_tree): New function.
750 (layout_decl, layout_type): Call it and clean up BLKmode checks.
751 * tree.h (mode_for_size_tree): New declaration.
753 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
755 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
757 * stmt.c (is_body_block): Move...
758 * dwarfout.c, dwarf2out.c: ...from here.
759 * tree.h: Declare it.
760 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
761 * final.c (final_start_function): Do call remove_unnecessary_notes
764 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
766 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
768 * cpplib.h (_dollar_ok): New macro.
769 (is_idchar, is_idstart): Use it.
770 (IStable): Rename to _cpp_IStable. Declare it const if
771 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
772 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
773 is_space): Update for renamed IStable.
775 * cppinit.c: Delete all references to FAKE_CONST and CAT
776 macros. Define init_IStable as empty macro if gcc >=2.7 or
777 C99. Change TABLE() to ISTABLE and hardcode name of table.
778 (cpp_start_read): Don't change the IStable based on
781 * cpphash.c (unsafe_chars): Add pfile argument. All callers
782 changed. Handle '$' for char1 correctly.
783 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
785 * cppexp.c (tokentab2): Make const.
786 (cpp_lex): Make toktab const.
787 * cppinit.c (include_defaults_array): Make const.
788 (initialize_standard_includes): Make default_include const.
790 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
792 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
793 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
794 (gen_decl_die): Likewise.
795 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
796 (output_decl): Likewise.
798 * varasm.c (make_function_rtl): If we change the name used in the
799 rtl, update DECL_ASSEMBLER_NAME accordingly.
800 (make_decl_rtl): Likewise.
802 * toplev.c (rest_of_compilation): Tweak formatting.
804 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
805 remove_unnecessary_notes.
806 (debug_ignore_block): New fn.
807 * toplev.h: Declare it.
808 * emit-rtl.c (remove_unncessary_notes): Call it.
809 * dwarf2out.c (dwarf2out_ignore_block): New fn.
810 * dwarf2out.h: Declare it.
811 * final.c (final_start_function): Don't call remove_unnecessary_notes
812 if we did insn scheduling.
814 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
816 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
817 * cpplib.h: Delete SET_CPP_PEDANTIC.
819 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
821 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
822 result is a RECORD_TYPE.
824 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
826 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
828 2000-03-03 Richard Henderson <rth@cygnus.com>
830 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
831 addition over compliments over shifts.
833 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
835 * reload1.c (reload_combine_note_use): Handle return register USEs.
836 REG case: Handle multi-hard-register hard regs.
838 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
840 * md.texi: Document use of '*' in insn pattern name.
842 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
844 * calls.c (special_function_p): operator new may not be malloc-like.
846 * gcse.c (dump_hash_table): Really fix error in last change.
848 2000-03-02 Denis Chertykov <denisc@overta.ru>
850 * avr.c (print_operand): Use print_operand_address instead of
852 * avr/libgcc.S: Cleanup code.
854 2000-03-02 Richard Henderson <rth@cygnus.com>
856 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
858 2000-03-02 Mark Mitchell <mark@codesourcery.com>
860 * tree.h (TYPE_ALIGN_UNIT): New macro.
862 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
864 * i386.c: (constant_call_address_operand): Reject CONST_INT.
866 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
868 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
870 (SET_CPP_PEDANTIC): New macro.
871 * cpplib.c (do_include): Don't bother checking system_header_p.
872 (do_warning, do_ident, do_assert, do_unassert): Likewise.
873 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
875 * function.h (struct expr_status): Add x_arg_space_so_far.
876 (arg_space_so_far): New macro.
877 * expr.c (init_expr): Initialize it.
878 * calls.c (emit_call_1): Reset it.
879 (compute_argument_block_size, expand_call): Use it.
880 (expand_call, store_one_arg): Increment it.
882 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
884 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
887 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
889 * cppfiles.c (cpp_read_file): New function.
891 * cpphash.c (collect_expansion): Make sure to reset last_token
892 to NORM when we hit a string. Handle trailing whitespace
893 properly when the expansion is empty.
894 (create_definition): Disable line commands while parsing the
896 (dump_definition): If pfile->lineno == 0, output a line
897 command ahead of the dump, and add a trailing newline.
899 * cppinit.c (append_include_chain): Add fifth argument, which
900 indicates whether or not system headers are C++ aware.
901 (initialize_standard_includes): New function,
902 broken out of read_and_prescan. Pass 'cxx_aware' value from
903 the include_defaults_array on to append_include_chain.
904 (dump_special_to_buffer): Const-ify char array.
905 (builtin_array): Don't dump __BASE_FILE__.
906 (cpp_start_read): Use cpp_read_file. Reorder code for
907 clarity. Don't output line commands here for -D/-A/-U
908 switches. Don't call deps_output for files included with
909 -include or -imacros.
911 * cpplib.c (do_define): Don't pay any attention to the second
913 (cpp_expand_to_buffer): Disable line commands while scanning.
914 (output_line_command): Work in the file buffer.
915 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
916 Fix formatting of comments. Prototype cpp_read_file.
918 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
920 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
921 reference the language-equivalent of sizetype.
922 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
923 * fold-const.c (size_binop, size_diffop): Put back checks.
924 * gcse.c (dump_hash_table): Fix minor error in last change.
925 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
926 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
929 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
931 * calls.c (expand_call) Do not attempt to combine stack adjustments
932 with inhibit_defer_pop set.
934 2000-03-01 Mark Mitchell <mark@codesourcery.com>
936 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
937 the DECL_SIZE for a FIELD_DECL.
939 2000-03-01 Bruce Korb <bkorb@gnu.org>
941 * fixinc/inclhack.tpl: remove unused symlinks
942 * fixinc/README: GCC Maintainer info
943 * fixinc/inclhack.sh: regen
944 * fixinc/fixincl.sh: regen
946 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
948 * cpphash.c (collect_expansion): Trim trailing white space
949 from macro definitions, but don't go past the last insertion
952 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
954 * i386.md (mulqi3): New pattern.
956 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
958 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
960 (struct cpp_reader): Add parsing_if_directive and
961 parsing_define_directive flags.
962 (struct cpp_options): Remove output_conditionals flag.
963 (check_macro_name): Delete prototype.
965 * cpphash.h (struct macrodef): Delete.
966 (struct reflist): Separate from struct definition.
967 (struct definition): Remove unused fields. Add column number.
968 (create_definition): Returns a DEFINITION *. Takes a
969 cpp_reader * and an int.
971 * cpphash.c (SKIP_WHITE_SPACE): Delete.
972 (PEEKC): Copy defn from cpplib.c.
973 (rest_extension, REST_EXTENSION_LENGTH): Delete.
975 (struct arglist): Simplify.
976 (collect_expansion): Rewrite. Get tokens by calling
977 cpp_get_token. Add more error checking.
978 (collect_formal_parameters): New function, broken out of
979 create_definition and reworked to use get_directive_token.
980 (create_definition): All real work is now in collect_expansion
981 and collect_formal_parameters. do_define handles finding the
982 macro name. Return a DEFINITION, not a MACRODEF.
983 (macroexpand): Replace bcopy with memcpy throughout. Replace
984 character-at-a-time copy loop with memcpy and pointer increments.
985 (compare-defs): d1->argnames / d2->argnames might be null.
987 * cpplib.c (copy_rest_of_line): Delete function.
988 (skip_rest_of_line): Do all the work ourselves.
989 (skip_string): New function.
990 (parse_string): Use skip_string.
991 (get_macro_name): New function.
992 (check_macro_name): Delete.
993 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
994 (cpp_skip_hspace): Use CPP_BUMP_LINE.
995 (handle_directive): ICE if we're called on a macro buffer.
996 (do_define): Determine macro name and type (funlike/objlike)
997 here. Expunge all uses of MACRODEF.
998 (cpp_push_buffer): Set line_base to NULL.
999 (do_undef, read_line_number): Don't worry about getting a POP token.
1000 (eval_if_expression): Set/reset parsing_if_directive around
1001 cpp_parse_expr. Don't clear only_seen_white.
1002 (skip_if_group): Remove output_conditionals logic. Use
1004 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
1005 tokens under appropriate conditions.
1006 (cpp_unassert): Call do_unassert not do_assert. Oops.
1008 * cppexp.c (parse_defined): New function, break out of
1010 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
1011 ourselves, with cpp_defined.
1012 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
1014 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
1015 * gcc.dg/strpaste-2.c: New.
1017 2000-02-29 Mark Mitchell <mark@codesourcery.com>
1019 * fold-const.c (size_binop): Don't asert inputs are the same and
1020 have TYPE_IS_SIZETYPE set.
1021 (size_diffop): Likewise.
1023 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
1025 * dwarfout.c (output_block): Output abstract blocks even if they
1026 don't have TREE_ASM_WRITTEN set.
1028 * calls.c (emit_library_call): Check for null REG.
1030 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
1032 * c-decl.c (current_function_decl): Move to toplev.c.
1033 (init_decl_processing): Don't add current_function_decl as a ggc
1035 * dbxout.c (dbxout_symbol): Change return type to int.
1036 (dbxout_symbol_location, dbxout_syms): Likewise.
1037 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
1038 any locals. Use current_function_func_begin_label if set.
1039 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
1040 * dwarf2out.c (dwarf2out_begin_prologue): Set
1041 current_function_func_begin_label.
1042 * final.c (final_start_function): Reset it.
1043 * toplev.c (current_function_decl): Define it here.
1044 (current_function_func_begin_label): New variable.
1045 (main): Add both as ggc roots.
1046 * tree.h (current_function_func_begin_label): Declare.
1048 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1050 * gcse.c: Cleanups throughout: mostly white-space, but also
1051 some minor rearrangement of code.
1053 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
1055 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
1056 returns a PARALLEL. Use emit_group_load and use_group_regs
1058 (emit_library_call_value): Similarly.
1060 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
1061 * pa/quadlib.asm: Remove.
1062 * pa/quadlib.c: New file.
1064 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
1065 * configure: Rebuilt.
1067 2000-02-29 Philip Blundell <pb@futuretv.com>
1069 * config/arm/conix-elf.h: New file.
1070 * configure.in (arm*-*-conix*): New configuration.
1071 * configure: Regenerate.
1073 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
1075 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
1076 don't have TREE_ASM_WRITTEN set.
1078 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1080 * Eliminate DECL_FIELD_SIZE.
1081 * builtins.c (built_in_class_names, built_in_names): New variables.
1082 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
1083 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
1084 DECL_SIZE, not DECL_FIELD_SIZE.
1085 * print-tree.c (print_node): Remove code that prints extra blank
1086 lines in some cases.
1087 Properly handle inline and builtin function cases.
1088 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
1089 * tree.h (built_in_class_named, built_in_names): New declarations.
1090 (union tree_decl): Rename internal unions to u1 and u2 and change
1091 some of their components.
1092 Add new field built_in_class.
1093 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
1094 Reflect above changes.
1095 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
1096 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
1097 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
1098 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
1100 2000-02-28 Dmitri Makarov <dim@windriver.com>
1102 * extend.texi: Document ARM's support for long/short calls.
1104 * invoke.texi: Document ARM's -mlong-calls command line switch.
1106 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
1107 (arm_encode_call_attribute): Add prototype.
1108 (arm_set_default_type_attribute): Add prototype.
1109 (arm_strip_name_encoding): Add prototype.
1111 * config/arm/arm.c (arm_init_cumulative_args): replace
1112 initialisation og 'long_calls' field with initialisation of
1113 'call_cookie' field.
1114 (enum arm_pragma_enum): New enum.
1115 (arm_pragma_long_calls): New static variable.
1116 (arm_process_pragma): Also process "#pragma long_calls_off".
1117 (arm_valid_type_attribute_p): Accept short_call attribute.
1118 (arm_comp_type_attributes): Check long/short call attributes.
1119 (arm_encode_call_attribute): New function: Encode long_call
1120 or short_call attribute in function name.
1121 (arm_set_default_type_attributes): New function: Assign
1122 default attributes to newly defined type.
1123 (current_file_function_operand): New function: Return true if
1124 the symbol is a function which has already been compiled.
1125 (arm_is_longcall_p): New function: Return true if the
1126 indicated function should be called via a long call.
1127 (arm_get_strip_length): New function. Returns number of
1128 prefix characters to be stripped from a function's name.
1129 (arm_strip_name_encoding): New function. Strip prefix characters
1130 from a function's name.
1132 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
1134 (SHORT_CALL_FAG_CHAR): Define.
1135 (LONG_CALL_FAG_CHAR): Define.
1136 (ENCODED_SHORT_CALL_ATTR_P): Define.
1137 (ENCODED_LONG_CALL_ATTR_P): Define.
1138 (ARM_NAME_ENCODING_LENGTHS): Define.
1139 (STRIP_NAME_ENCODING): Define.
1140 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
1141 (ARM_ENCODE_CALL_TYPE): Define.
1142 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
1143 (ARM_DECLARE_FUNCTION_SIZE): Define.
1144 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
1146 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
1147 if a long call is needed.
1148 (call_value): Ditto.
1149 (call_symbol): Ditto.
1151 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
1152 ARM_DECLARE_FUNCTION_SIZE.
1154 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
1155 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
1156 (ARM_STRIP_NAME_ENCODING): Undefine.
1157 (STRIP_NAME_ENCODING): Undefine.
1158 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
1159 (ASM_DECLARE_FUNCTION_NAME): Ditto.
1160 (ASM_OUTPUT_COMMON): Ditto.
1161 (ASM_DECLARE_OBJECT_NAME): Ditto.
1163 * config/arm/pe.c (arm_dllexport_name_p): Check for
1165 (arm_dllimport_name_p): Ditto.
1166 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
1167 (arm_mark_dllimport): Ditto.
1169 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1171 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
1173 2000-02-28 Mark Mitchell <mark@codesourcery.com>
1175 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
1177 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
1179 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
1180 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
1181 NO_BUILTIN_WCHAR_TYPE is not defined.
1182 (CPP_WCHAR_TYPE): Delete.
1183 * cccp.c (main): Don't change wchar_type if cplusplus.
1184 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
1186 2000-02-28 Nick Clifton <nickc@cygnus.com>
1188 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
1190 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
1192 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
1193 (ASM_WEAKEN_LABEL): Define.
1195 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
1197 * expr.c (store_constructor): Do not emit USE.
1198 * rtl.h (stupid_life_analysis): Remove.
1200 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1202 * function.c (number_blocks): Reset next_block_index based on
1203 what debugging format is used, not what is defined.
1205 * lcm.c: Minor reformatting throughout.
1206 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
1208 * toplev.c (rest_of_compilation): Account for time in
1209 optimize_mode_switching.
1211 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
1212 if only marking labels.
1214 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
1216 * calls.c (expand_call): Attempt to combine stack adjustments with
1217 pending stack adjustments.
1219 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1221 * loop.c (reg_in_basic_block_p): Don't abort when falling through
1222 to the end of the function.
1224 2000-02-27 Mark Mitchell <mark@codesourcery.com>
1226 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
1228 * final.c (next_block_index): Remove.
1229 (max_block_depth): Likewise.
1230 (pending_blocks): Likewise.
1231 (init_final): Don't initialize them.
1232 (final_start_function): Don't set next_block_index. Set up
1234 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
1235 * function.h (number_blocks): New function.
1236 * function.c (get_block_vector): New function.
1237 (identify_blocks): Use it.
1238 (reorder_blocks): Set NOTE_BLOCK.
1239 (number_blocks): New function.
1240 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
1241 * tree.h (BLOCK_NUMBER): New macro.
1242 (tree_block): Add block_num field.
1243 * dbxout.c (next_block_number): Remove.
1244 (dbxout_init): Don't set it.
1245 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
1246 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
1248 * toplev.c (rest_of_compilation): Always call
1249 find_loop_tree_blocks. Fix indentation.
1250 * dwarf2out.c (next_block_number): Remove.
1251 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
1252 to determine block numbers.
1253 (gen_inlined_subroutine_die): Likewise.
1254 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
1255 (decls_for_scope): Don't increment next_block_number.
1256 * dwarfout.c (next_block_number): Remove.
1257 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
1258 to determine block numbers.
1259 (output_inlined_subroutine_die): Likewise.
1260 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
1261 (output_decls_for_scope): Don't increment next_block_number.
1262 * sdbout.c (next_block_number): Remove.
1263 (sdbout_block): Use BLOCK_NUMBER.
1264 (sdbout_begin_block): Simplify.
1265 * xcoffout.c (next_block_number): Remove.
1266 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
1267 (xcoffout_begin_block): Don't set next_block_number.
1268 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
1271 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1273 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
1274 (expand_builtin_strcpy): Pass correct type to size_binop.
1275 (expand_builtin_strcmp): Likewise.
1276 Clean up conditional structure.
1277 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
1278 (complete_array_type): Don't use size_binop for MAXINDEX.
1279 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
1280 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
1281 (c_alignof): Use size_one_node.
1282 (build_unary_op): Pass arg of proper type to size_binop.
1283 (really_start_incremental_init, push_init_level): Use sizetype for
1284 constructor{,_bit,_unfilled}_index.
1285 (pop_init_label, output_init_element): Likewise.
1286 (output_pending_init_elements, process_init_element): Likewise.
1287 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
1288 * expr.c (store_expr): Use size_int.
1289 (store_constructor): Use proper types for size_binop args.
1290 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
1291 (expand_expr_unaligned): Likewise.
1292 (string_contant): Return object of sizetype.
1293 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
1294 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
1295 (ARGS_SIZE_TREE): Pass proper types to size_binop.
1296 * fold-const.c (int_const_binop): Refine when size_int is called.
1297 (fold_convert): Likewise.
1298 (size_int_wide): Rework to take KIND as arg, only take low order
1299 bits, handle new sizetype_tab datatype, and chain entries in
1301 (size_int_type_wide): New function.
1302 (size_binop): Validate types of arguments.
1303 (ssize_binop): Deleted.
1304 (size_diffop): New function.
1305 (extract_muldiv): Only fold division into multiplication for sizetypes.
1306 * function.c (assign_parms): Use size_diffop and make sure
1307 VAR field is of ssizetype; also pass proper type to size_binop.
1308 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
1309 (round_down): Deleted from here.
1310 * store-layout.c (sizetype_tab): Now an array.
1311 (sizetype_set, early_root_list): New variables.
1312 (variable_size): Use size_one_node.
1313 (round_up): Pass proper type to size_binop.
1314 (round_down): Moved to here and corrected as above.
1315 (layout_record): Pass proper arg types to size_binop.
1316 (layout_type): Likewise.
1317 If sizetype_set is zero, record the type just laid out.
1318 (make_unsigned_type): Don't call set_sizetype;
1319 (make_signed_type): Likewise; also, call fixup_signed_type.
1320 (initialize_sizetypes): New function.
1321 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
1322 set name of bitsizetype to "bit_size_type".
1323 Fix up type of sizes of all types made before call.
1324 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
1325 * tree.c (fix_sizetype): Deleted.
1326 (build_common_tree_nodes): Call initialize_sizetypes.
1327 (build_common_tree_nodes_2): Don't call fix_sizetype.
1328 * tree.h (TYPE_IS_SIZETYPE): New macro.
1329 (initialize_sizetype): New declaration.
1330 (enum size_type_kind): New type.
1331 (struct sizetype_tab): Deleted.
1332 (sizetype_tab): Now array; adjust sizetype macros.
1333 (size_diffop, size_int_type_wide): New functions.
1334 (size_int_wide): Change number of args and type; access macros changed.
1335 (ssize_int, sbitsize_int): New macros.
1336 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
1337 (ROUND_TYPE_SIZE_UNIT): New macro.
1339 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
1341 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
1343 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1345 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
1346 Mark as possibly unused.
1348 * cse.c (cse_insn): Delete dead code involving tablejump.
1349 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
1351 * Makefile.in (libcpp.a): Start by deleting it.
1353 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1355 * cpplib.h (enum file_change_code): Added rename_file.
1356 * cpplib.c (do_line): If a filename is given, set file_change to
1358 (output_line_command): If file_change is rename_file, always
1359 output a # directive with the file name.
1361 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
1363 2000-02-26 Mark Mitchell <mark@codesourcery.com>
1365 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
1366 when copying a PARM_DECL or RESULT_DECL.
1368 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1370 * fix-header.c (recognized_function): Also fix prototypes for
1371 functions taking "void".
1373 2000-02-26 Geoff Keating <geoffk@cygnus.com>
1375 * reload1.c (do_output_reload): Check reg_reloaded_valid before
1376 looking at reg_reloaded_contents.
1378 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
1380 * Makefile.in (STMP_FIXINC): New toggle.
1381 (LIBGCC2_DEPS): Delete all references.
1382 (stmp-headers): Delete target. All references either deleted
1383 or changed to stmp-int-headers.
1384 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
1385 (LIBCPP_OBJS): Take out cppalloc.o.
1386 (cppalloc.o): Delete target.
1387 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
1388 (gen-protos, fix-header): Link with libiberty.a.
1389 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
1392 * configure.in: Remove refs to strerror.
1393 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
1394 * system.h: Take out strerror stanza.
1396 * cpperror.c (my_strerror): Delete function.
1397 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
1398 * cppmain.c (main): Call xmalloc_set_program_name first thing.
1399 * cppalloc.c: Delete file.
1400 * gen-protos.c: Don't provide xrealloc.
1402 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
1403 xstrerror throughout.
1405 2000-02-26 Bruce Korb <bkorb@gnu.org>
1407 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
1408 match for DOS headers, too.
1409 * fixinc/inclhack.sh,fixincl.x: Regenerate.
1411 2000-02-26 Geoff Keating <geoffk@cygnus.com>
1413 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
1414 is right for most ELF targets.
1415 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
1416 Let the default file use %U properly.
1417 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
1420 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
1423 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1425 * toplev.c (documented_lang_options): Correct spelling error.
1426 (decode_d_option, decode_f_option, main): Likewise.
1428 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
1430 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
1431 to tell assembler it is permitted to expand large constants.
1433 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
1435 * protoize.c: (AUX_INFO_SUFFIX): New macro.
1436 (aux_info_suffix): Use.
1437 (SAVE_SUFFIX): New macro.
1439 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
1440 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
1441 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
1443 * invoke.texi (Running Protoize): Update documentation.
1445 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
1447 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
1449 2000-02-25 John Wehle (john@feith.com)
1451 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
1453 2000-02-25 Anthony Green <green@cygnus.com>
1455 * toplev.c (rest_of_compilation): Rebuild jump labels if
1456 combine_instructions has created a new direct jump.
1457 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
1459 (combine_instructions): Call try_combine with new argument.
1460 Return non-null value when new direct jump instruction is created.
1461 * rtl.h: combine_instructions returns an int.
1463 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
1465 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
1466 jump when changing a computed jump into a jump to a known
1469 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
1471 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
1472 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
1474 * i386.md (define_expand "clrstrsi"): Fix typo.
1476 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
1478 * rtl.texi: Fix typo.
1480 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1482 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
1483 UNITS_PER_WORD. Change caller initial_elimination_offset.
1484 (rounded_frame_size): Take into account that argument pushed has
1485 changed. Fix TARGET_ALIGN_DOUBLE problem.
1487 2000-02-25 Geoff Keating <geoffk@cygnus.com>
1489 * haifa-sched.c (schedule_block): Explain the real reason
1490 we delete REG_SAVE_NOTEs on the first insn of a block.
1491 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
1493 2000-02-24 Mark Mitchell <mark@codesourcery.com>
1495 * input.h (push_srcloc): New function.
1496 (pop_srcloc): Likewise.
1497 * toplev.c (push_srcloc): Define it.
1498 (pop_srcloc): Likewise.
1500 2000-02-24 Richard Henderson <rth@cygnus.com>
1502 * flow.c (life_analysis): When collecting reg info, clear
1505 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1507 Fix bug exposed by reload.c no longer rounding the frame
1508 size to BIGGEST_ALIGNMENT:
1509 * sh.c (rounded_frame_size): New function.
1510 (sh_expand_prologue, sh_expand_epilogue): Use it.
1511 (initial_elimination_offset): Likewise.
1513 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1515 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
1516 * sh-protos.h (sh_need_epilogue): Declare.
1517 * sh.c (sh_need_epilogue_known): New static variable.
1518 (sh_need_epilogue): New function.
1519 (function_epilogue): Clear need_epilogue_known.
1520 * sh.md (return): Split into expander / insn pattern.
1521 Make the expander conditional on ! sh_need_epilogue ().
1523 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
1525 * machmode.h (get_mode_alignment): Declare.
1526 (GET_MODE_ALIGNMENT): Call it.
1527 * stor-layout.c (get_mode_alignment): New function. Make
1528 sure alignment is always power of 2.
1530 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
1532 * i386.h: Remove useless definition of "I386" and misleading
1535 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
1537 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
1538 under which TREE_PERMANENT will be set.
1539 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
1540 build1): Use TREE_SET_PERMANENT.
1541 * print-tree.c (print_node): Don't report value of
1542 TREE_PERMANENT if ggc_p is true.
1544 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
1545 decide whether to give a type a new alias set.
1546 * objc/objc-act.c (build_objc_string_object): Never copy the string.
1547 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
1548 of value of 'obstack'.
1551 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1553 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
1555 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1557 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
1558 * cpplib.c (cpp_get_token): Produce them.
1559 * cppexp.c (cpp_lex): Handle them.
1561 2000-02-23 Nick Clifton <nickc@cygnus.com>
1563 * config/arm/arm.c (arm_comp_type_attributes): Simply and
1564 comment tests on type attributes.
1566 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1568 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
1569 conform to documentation.
1570 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
1571 to check for special cases.
1572 * sh-protos.h (sh_loop_align): Declare.
1573 * sh.c (sh_loop_align): Define.
1575 2000-02-22 Andrew Haley <aph@cygnus.com>
1577 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
1578 (SIZE_TYPE): Is 32 bits when using -mgp32.
1579 (PTRDIFF_TYPE): Ditto.
1581 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1583 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
1585 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
1587 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
1588 BIGGEST_FIELD_ALIGNMENT a constant.
1590 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
1592 * dwarf2out.c (output_line_info): Put the marker for the end of
1593 the line number info at the actual end.
1594 (gen_struct_or_union_type_die): Use decl_function_context
1595 to check for local classes.
1596 * dwarfout.c (output_type): Likewise.
1598 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
1600 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
1601 for arguments with a mode, but no type.
1602 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
1603 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
1604 * pa/long_double.h: New file.
1605 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
1606 both have 128bit wide long doubles.
1607 * configure: Rebuilt.
1609 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1611 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
1613 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
1614 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
1615 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
1617 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
1619 * integrate.c (compare_blocks, find_block): Likewise.
1621 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
1623 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
1625 * stmt.c (stmt_status, set_file_and_line_for_stmt,
1626 expand_asm_operands): Likewise.
1628 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
1630 * predict.c (estimate_probability): Added the pointer heuristic to
1631 the collection of static branch predictors.
1633 2000-02-21 Catherine Moore <clm@cygnus.com>
1635 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
1636 * invoke.texi (-mfix7000): Document.
1638 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
1640 * diagnostic.c (init_output_buffer): Make it possible to output at
1641 least 32 characters if we're given a too long prefix.
1643 2000-02-20 Mark Mitchell <mark@codesourcery.com>
1645 * varasm.c (initializer_constant_valid_p): Call
1646 lang_expand_constant to simplify the constant.
1648 2000-02-20 Bruce Korb <bkorb@gnu.org>
1650 * fixinc/inclhack.def(stdio_va_list):
1651 typedef needs to be disabled.
1652 * fixinc/inclhack.sh: regen
1653 * fixinc/fixincl.x: regen
1655 2000-02-20 Geoff Keating <geoffk@cygnus.com>
1657 * print-rtl.c (print_rtx): Don't print addresses when
1658 flag_dump_unnumbered.
1660 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1662 * sparc.c (sparc_output_scratch_registers): Mark parameter with
1664 (sparc_va_arg, sparc_flat_output_function_prologue,
1665 sparc_flat_output_function_epilogue): Cast value to unsigned in
1667 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
1669 * sparc.md: Add default case in switch.
1671 2000-02-19 Richard Henderson <rth@cygnus.com>
1673 * c-typeck.c (add_pending_init): Don't abort for multiple
1674 fields at the same offset.
1675 (pending_init_member): Test the correct member.
1677 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1679 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
1681 (start_catch_handler) : Same.
1683 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
1685 * Makefile.in: Have flow.o depend on $(EXPR_H)
1687 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1689 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
1690 * c-decl.c (duplicate_decls, finish_enum): Likewise.
1691 (finish_decl): Remove -Wlarger-than code from here.
1692 * flags.h (id_clash_len): Now int.
1693 (larger_than_size): Now HOST_WIDE_INT.
1694 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
1695 Clean up checking to see if in table.
1696 (make_bit_field_ref): Remove extra parm to bitsize_int.
1697 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
1698 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
1699 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
1700 and for computing size of decl.
1701 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
1702 Move -Wlarger-than code to here.
1703 (layout_record): Remove extra arg to bitsize_int.
1704 Set TYPE_BINFO_SIZE_UNIT.
1705 (layout_union): Remove extra arg to bitsize_int.
1706 Use proper type for size of QUAL_UNION.
1707 (layout_type): Remove extra arg to bitsize_int.
1708 * toplev.c (id_clash_len): Now int.
1709 (larger_than_size): Now HOST_WIDE_INT.
1710 (decode_W_option): Clean up id-clash and larger-than- cases.
1711 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
1712 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
1713 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
1714 (struct tree_decl): New field size_unit.
1715 (size_int_wide): No HIGH operand; NUMBER is now signed.
1716 (size_int_2): Deleted.
1717 (size_int, bitsize_int): Don't use it and rework args.
1718 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
1720 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
1722 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
1724 2000-02-18 Geoff Keating <geoffk@cygnus.com>
1726 * invoke.texi (Warning Options): Add an explanation of why
1727 you might want the -Wfloat-equal flag.
1729 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1731 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
1732 * cppinit.c (new_pending_define): Add cast to avoid warning.
1733 * expmed.c (extract_bit_field): Likewise.
1734 * flow.c (enum reorder_skip_type): New type.
1735 (skip_insns_between_blcok): New it.
1736 Rework to avoid warning about possibly undefined variable.
1737 * function.c (assign_parms): Make thisparm_boundary unsigned.
1738 * genrecog.c (write_switch): Cast XWINT result to int.
1739 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
1740 * mips-tfile.c (init_file): Make two versions of FDR intializer:
1741 one for MIPS and one for Alpha.
1742 (get_tag, copy_object): Add casts to avoid warnings.
1743 * optabs.c (init_one_libfunc): Cast NAME to (char *).
1744 * reload.c (find_reloads): Make TYPE enum reload_type.
1745 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
1746 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
1747 * varasm.c (compare_constant_1): Add cast to avoid warning.
1748 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
1750 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
1751 Cast switch operand of size to int.
1752 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
1753 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
1756 2000-02-18 Nick Clifton <nickc@cygnus.com>
1758 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
1759 anything for an alignment of zero.
1761 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
1762 anything for an alignment of zero.
1764 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
1766 * gcc.texi (Bug Reporting): Refer to bugs.html.
1767 (Bug Lists): Likewise.
1768 * system.h (GCCBUGURL): New preprocessor define.
1769 * rtl.c (fancy_abort): Use it.
1770 * gcc.c (main): Likewise.
1772 2000-02-18 Richard Henderson <rth@cygnus.com>
1774 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
1775 (life_analysis_1): Subsume into ...
1776 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
1777 Use update_life_info for the relaxation.
1778 (update_life_info): Update REG_BASIC_BLOCK for registers live on
1779 entry and regs_live_at_setjmp.
1780 (set_noop_p): Simplify.
1781 (notice_stack_pointer_modification_1): Renamed from s/_1//.
1782 (record_volatile_insns): Split into ...
1783 (delete_noop_moves): ... here,
1784 (notice_stack_pointer_modification): ... here,
1785 (insn_dead_p): ... and here.
1786 (propagate_block): Don't query INSN_VOLATILE.
1787 (mark_used_regs): Mind !PROP_REG_INFO.
1788 * toplev.c (rest_of_compilation): Call mark_constant_function here,
1789 not in life_analysis.
1791 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
1793 * loop.c (canonicalize_condition): New function,
1794 broken out of get_condition.
1795 (get_condition): Use it.
1796 * expr.h (canonicalize_condition): Prototype it.
1798 * tree.h (tree_int_cst_msb): Declare.
1799 * tree.c (tree_int_cst_msb): New function.
1801 2000-02-17 Mark Mitchell <mark@codesourcery.com>
1803 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
1806 * invoke.texi (-fmessage-length=n): Document.
1808 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
1810 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
1812 2000-02-17 Mark Mitchell <mark@codesourcery.com>
1814 * function.c (thread_prologue_and_epilogue_insns): Put a line note
1817 2000-02-17 Nick Clifton <nickc@cygnus.com>
1819 * config/arm/thumb.c: Replace includes of system headers with
1820 #include "system.h".
1822 2000-02-16 Richard Henderson <rth@cygnus.com>
1824 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
1825 Add crtbeginS.o and crtendS.o.
1826 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
1827 (ENDFILE_SPEC): Use crtendS.o.
1828 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
1830 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
1831 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
1833 (__dso_handle): New variable.
1834 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
1835 bias to __CTOR_END__.
1837 2000-02-16 Richard Henderson <rth@cygnus.com>
1839 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
1841 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
1843 * longlong.h (__clz_tab): Declare as static to match definition.
1845 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
1846 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
1847 (XREF_FILE_NAME): Define.
1849 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
1850 (EH_FRAME_SECTION_ASM_OP): Define.
1851 (IDENT_ASM_OP): Define.
1852 (TEXT_SECTION_ASM_OP): Define.
1854 (CTORS_SECTION_ASM_OP): Define.
1855 (CTOR_SECTION_FUNCTION): Use it.
1856 (DTORS_SECTION_ASM_OP): Define.
1857 (DTOR_SECTION_FUNCTION): Use it.
1859 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
1861 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
1864 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
1865 debug_bb_n): New functions.
1866 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
1867 * basic-block.h: Prototype new functions.
1869 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
1871 * configure.in: Add support for avr target.
1872 * configure: Rebuilt.
1874 * invoke.texi: Add AVR invocation docs.
1875 * install.texi: Add information about AVR.
1876 * md.texi: Add AVR constraint letters description.
1877 * extend.texi: Add description for AVR specific attributes.
1879 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
1881 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
1883 2000-02-16 Nick Clifton <nickc@cygnus.com>
1885 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
1886 (make_insn_raw): Move RTL check here.
1888 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1890 * version.c: Include gansidecl.h and version.h.
1892 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
1894 * configure.in (gcc_version): When setting, narrow search to
1895 lines containing `version_string'.
1897 * Makefile.in (mainversion): Likewise.
1898 (GCC_H): New variable.
1899 (gcc.h): Delete target.
1900 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
1901 (version.o): Depend on version.h.
1902 (dbxout.o): Don't depend on gcc.h.
1904 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
1905 Michael Meissner <meissner@cygnus.com>
1907 * md.texi (Simple Constraints): Add item about whitespace.
1908 * genoutput.c (strip_whitespace): New.
1909 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
1910 strip_whitespace for constraints.
1911 Test pointer using NULL, not 0.
1913 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1915 * cpplib.c (do_line): Pedwarn for #line > 32767.
1917 * c-lex.c (readescape): Warn about '\x', but do not reject it.
1919 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
1921 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
1922 to default cpp spec.
1923 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
1924 * cpp.texi: Document __GNUC_PATCHLEVEL__.
1927 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
1930 2000-02-15 Denis Chertykov <denisc@overta.ru>
1932 * configure.in: Add support for avr target.
1934 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1936 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
1937 (sh_addr_diff_vec_mode): Don't declare.
1938 * sh.c (sh_addr_diff_vec_mode): Delete.
1940 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1942 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
1944 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1946 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
1947 (smulsi3_highpart_i): Name.
1948 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
1949 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
1950 (smulsi3_highpart, umulsi3_highpart): Likewise.
1952 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
1953 correctly independent of endianness.
1954 (mulsidi3, umulsidi3): Now define_insn. Hide details that
1955 confuse the optimizers.
1956 (mulsidi3+1, umulsidi3+1): New define_split.
1958 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
1960 * config/sh/sh.md: Guard insn splits against illegal registers.
1961 * config/sh/sh.h: Correct comment about macros.
1963 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1964 Andrew MacLeod <amacleod@cygnus.com>
1966 * Makefile.in (lcm.o): Depend on insn-attr.h.
1967 * basic-block.h (optimize_mode_switching): Declare.
1968 * lcm.c (tm_p.h, insn-attr.h): #include.
1969 (seginfo, bb_info): New structs.
1970 (antic, transp, comp, delete, insert) : New file-scope static variables.
1971 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
1972 (reg_becomes_live, optimize_mode_switching): Likewise.
1973 * tm.texi: Add description of mode switching macros.
1974 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
1976 * sh-protos.h (remove_dead_before_cse): Remove prototype.
1977 (fldi_ok, fpscr_set_from_mem): New prototypes.
1978 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
1979 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
1980 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
1981 (sh_flag_remove_dead_before_cse): Remove declaration.
1982 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
1983 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
1984 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
1985 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
1986 (barrier_align): Allow for JUMP_INSNS containing a parallel.
1987 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
1988 (fldi_ok): New function.
1989 (get_fpscr_rtx): Add fpscr_rtx as GC root.
1990 (emit_sf_insn): Only generate fpu switches when optimize < 1.
1991 (emit_df_insn): Likewise.
1992 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
1993 (sh_flag_remove_dead_before_cse): Delete.
1994 (get_free_reg, fpscr_set_from_mem): New functions.
1995 * sh.md (movdf, movsf): Remove no_new_pseudos code.
1996 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
1998 2000-02-15 Loren Rittle <ljrittle@acm.org>
2000 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
2002 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2004 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
2005 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
2007 * cccp.c: Include version.h and/or don't declare `version_string'.
2008 * collect2.c: Likewise.
2009 * alpha.c: Likewise.
2010 * arm/aof.h: Likewise.
2011 * arm/coff.h: Likewise.
2012 * arm/elf.h: Likewise.
2013 * arm/pe.h: Likewise.
2014 * arm/tcoff.h: Likewise.
2015 * arm/telf.h: Likewise.
2016 * arm/tpe.h: Likewise.
2017 * arm/vxarm.h: Likewise.
2018 * convex/convex.c: Likewise.
2019 * i386/dgux.c: Likewise.
2020 * i386/sun386.h: Likewise.
2021 * m88k/m88k.c: Likewise.
2022 * mcore/mcore-pe.h: Likewise.
2023 * mips/mips.h: Likewise.
2024 * romp/romp.h: Likewise.
2025 * sh/sh.c: Likewise.
2026 * cpphash.c: Likewise.
2027 * cppinit.c: Likewise.
2028 * dwarf2out.c: Likewise.
2029 * dwarfout.c: Likewise.
2032 * mips-tfile.c: Likewise.
2033 * protoize.c: Likewise.
2034 * toplev.c: Likewise.
2037 * version.c (version_string): Constify a char*.
2039 * version.h: New file.
2041 2000-02-14 Nick Clifton <nickc@cygnus.com>
2043 * configure.in: Add mcore-elf and mcore-pe targets.
2044 * configure: Regenerate.
2046 * NEWS: Add note that MCore port has been contributed.
2048 * invoke.texi: Document command line switches for MCore port.
2049 * install.texi: Add MCore to list of supported targets.
2051 2000-02-14 Geoff Keating <geoffk@cygnus.com>
2053 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
2054 then we will need to import the frame handling functions.
2055 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
2056 to import the frames themselves.
2058 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
2059 Jason Eckhardt <jle@cygnus.com>
2061 * basic_block.h: Added prototype for reorder_basic_blocks.
2062 * toplev.c: Changes to add -freorder-blocks and graph dump after
2063 block reordering is done.
2064 * flow.c (reorder_block_def): New structure for use during block
2066 (REORDER_BLOCK_*): New macros to access members of above structure.
2067 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
2068 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
2069 functions for block reordering.
2071 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
2073 * gcc.texi (Passes): Fix typo.
2074 * md.texi (Standard Names): Ditto.
2075 * tm.texi (Storage Layout): Ditto.
2077 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
2079 * cpplib.c (do_define): Only free the old definition if it
2082 2000-02-13 Neil Booth <NeilB@earthling.net>
2084 * cppfiles.c (read_and_prescan): When emitting deferred
2085 newlines, test speccase[] again instead of checking each
2086 possible whitespace character in turn. When we encounter \r,
2087 look behind for \n first, then ahead.
2089 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
2091 * cse.c (cse_altered): New internal flag.
2092 (cse_insn): Set it if we changed an insn.
2093 (cse_main): Clear cse_altered before each basic block.
2094 Only garbage collect if cse_altered is true afterward.
2096 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2098 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
2100 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
2102 * combine.c (simplify_comparison): Fix typo.
2104 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
2106 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
2109 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2111 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
2112 previously inserted node instead of root node. Caller changed.
2114 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2116 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
2118 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2120 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
2121 __dereg_frame_dtor): Add prototype argument.
2123 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
2125 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
2127 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
2129 * gthr-vxworks.h (__gthread_once): Likewise.
2131 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
2133 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
2135 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
2136 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
2137 stack pointer in functions w/o saved registers, output LEAVE more often
2138 on TARGET_USE_LEAVE machines.
2140 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
2142 * config/arm/arm.c (arm_init_cumulative_args); New function:
2143 Initlaise the CUMULATIE_ARGS strcuture for a function
2145 (arm_function_arg): New function: Determine where to place a
2146 function's argument. Also handles deciding the function's
2148 (current_file_function_operand): New function: Return true if
2149 the symbol is a function which has already been compiled.
2150 (arm_is_long_call_p): New function: Return true if the
2151 indicated function should be called via a long call.
2152 (arm_valid_type_attribute_p): New function: Return true if the
2153 attribute is a valid, arm specific, attribute.
2154 (arm_comp_type_attribute): New function: Return true if the
2155 two types have compatable, arm specific, attributes.
2157 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
2159 (FUNCTION_ARG): Redefine to call arm_function_arg.
2160 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
2162 (INIT_CUMULATIVE_ARGS): Redefine to call
2163 arm_init_cumulative_args.
2164 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
2166 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
2168 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
2170 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
2171 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
2172 (COMP_TYPE_ATTRIBUTES): Define.
2174 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
2175 if a long call is needed.
2176 (call_value): Call arm_is_long_call_p to decide if a long call
2178 (call_symbol): Call arm_is_long_call_p to decide if a long call
2181 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
2183 2000-02-11 Denis Chertykov <denisc@overta.ru>
2185 * README.AVR: New file with information about the avr ports.
2186 * config/avr: New directory with avr port files.
2188 2000-02-11 Andreas Jaeger <aj@suse.de>
2190 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
2192 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
2194 * cpphash.c: Fix formatting, update commentary.
2195 (dump_definition): Take three separate arguments instead of a
2196 MACRODEF structure argument.
2197 * cpphash.h: Update prototype of dump_definition.
2198 * cppinit.c (cpp_finish): Update call of dump_definition.
2200 * cpplib.c (do_define): Always create new hash entry with
2201 T_MACRO type. Remove redundant check for redefinition of
2202 poisoned identifier. Update call of dump_definition.
2203 (do_undef): Don't call check_macro_name. Rename sym_length to
2205 (do_error, do_warning): Don't use copy_rest_of_line or
2207 (do_warning): Don't use pedwarn for the actual warning,
2208 only the notice about its not being in the standard. (Fixes
2209 bug with #warning in system headers.)
2210 (do_ident): Stricter argument checking - accept only a single
2211 string after #ident. Also, macro-expand the line.
2212 (do_xifdef): Use cpp_defined. De-obfuscate.
2214 (do_pragma): Split out specific pragma handling to separate
2215 functions. Use get_directive_token. Update commentary. Do
2216 not pass on #pragma once or #pragma poison to the front end.
2217 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
2218 do_pragma_default): New.
2220 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
2222 * jump.c (jump_optimize_1): The first operand in a relational
2224 * optabs.c (emit_conditional_move): Handle relationals which
2225 have a known true/false result.
2227 2000-02-11 Geoff Keating <geoffk@cygnus.com>
2229 * function.c (thread_prologue_and_epilogue_insns): Don't insert
2230 a RETURN insn into a block which already ends with a jump.
2232 2000-02-11 Geoff Keating <geoffk@cygnus.com>
2234 * haifa-sched.c (BUF_LEN): Increase a lot.
2236 2000-02-11 Nick Clifton <nickc@cygnus.com>
2238 * configure.in: Add tm_p_file specification for thumb targets.
2239 * configure: Regenerate.
2241 * config/arm/thumb-protos.h: New file: Prototypes for exported
2242 functions defined in thumb.c.
2244 2000-02-11 Robert Lipe <robertl@sco.com>
2246 * Makefile.in (bootstrap-lean): Remove additional files.
2247 (bootstrap2-lean): Likewise.
2248 (VOL_FILES): List of files for above.
2250 2000-02-11 Nathan Sidwell <nathan@acm.org>
2252 * cpphash.c (special_symbol): Remove spurious argument to
2255 2000-02-11 Joel Sherrill (joel@OARcorp.com>
2257 * configure.in: (i*86-*-rtems*): Swapped elf and coff
2259 * configure: Rebuilt.
2261 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
2263 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
2265 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
2267 * pa.c, pa.h: Remove trigraph sequences within comments.
2269 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
2271 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
2273 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
2275 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
2277 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2279 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
2281 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2283 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
2284 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
2285 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
2286 (ASM_FILE_END): Use c4x_file_end.
2287 * config/c4x/c4x.c (c4x_global_label): New function.
2288 (c4x_external_ref, c4x_file_end): Likewise.
2290 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
2291 (c4x_external_ref, c4x_end_file): Likewise.
2293 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
2295 * cppexp.c: Don't include cpphash.h.
2296 (parse_charconst, cpp_lex): Use cpp_defined.
2297 (cpp_lex): Use get_directive_token throughout. Remove
2298 unnecessary cases from switch. Move assertion-handling code
2300 (cpp_parse_expr): If we see '+' or '-', check the context to
2301 determine if they are unary or binary operators. Streamline
2302 the jumps a bit. Do not call skip_rest_of_line.
2304 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
2305 static. Export get_directive_token. Update commentary.
2306 (cpp_defined): New function.
2307 (do_define): Remove reference to T_PCSTRING. Call
2308 free_definition to release memory for old definition, when
2310 (eval_if_expression): Set only_seen_white to 0 before calling
2311 cpp_parse_expr. Call skip_rest_of_line after it returns.
2312 (cpp_read_check_assertion): Don't preserve a pointer into the
2313 token buffer across a call to cpp_get_token.
2315 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
2316 * cppfiles.c (redundant_include_p): Use cpp_defined.
2317 * cpphash.c (free_definition): New function.
2318 (delete_macro): Use it. Update commentary.
2319 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
2321 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
2322 from enum node_type. Prototype cpp_defined and get_directive_token.
2323 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
2325 * fix-header.c (check_macro_names): Use cpp_defined.
2326 (read_scan_file): Set inhibit_warnings and inhibit_errors in
2327 the options structure.
2329 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2331 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
2333 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
2335 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
2336 rather than die->die_tag.
2338 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2340 * combine.c (make_extraction, force_to_mode): Avoid warning on
2341 mixed-signedness conditionals.
2342 (make_field_assignment, nonzero_bits): Likewise.
2343 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
2344 (store_split_bit_field, extract_split_bit_field): Likewise.
2345 (extract_fixed_bit_field, store_bit_field,
2346 * expr.c: Change alignment to be unsigned everywhere.
2347 (move_by_pieces, store_constructor_field, store_constructor):
2348 Alignment parm is unsigned.
2349 (emit_block_move, emit_group_load, emit_group_store): Likewise.
2350 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
2351 (do_compare_rtx_and_jump): Likewise.
2352 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
2353 Compare align with GET_MODE_ALIGNMENT.
2354 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
2355 (get_inner_reference): Likewise.
2356 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
2357 (expand_assignment): Local vars for alignment now unsigned.
2358 (store_constructor, store_field, expand_expr, do_jump): Likewise.
2359 (do_compare_and_jump): Likewise.
2360 (store_field): Call new function expr_align.
2361 * expr.h (emit_block_move, emit_group_load, emit_group_store):
2362 Alignment arg now unsigned.
2363 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
2364 (do_compare_rtx_and_jump, store_bit_field): Likewise.
2365 (extract_bit_field): Likewise.
2366 * fold-const.c (add_double): Add cast to eliminate signedness warning.
2367 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
2368 (get_best_mode): Alignment arg is unsigned.
2369 * rtl.h (move_by_pieces): Likewise.
2370 * store-layout.c (maximum_field_alignment, set_alignment):
2372 (layout_decl): Alignment arg is now unsigned.
2373 Remove unneeded casts.
2374 (layout_record, layout_union, layout_type): Remove unneeded casts.
2375 Local alignment variables now unsigned.
2376 (get_best_mode): Alignment arg now unsigned.
2377 * tree.c (expr_align): New function.
2378 * tree.h (expr_align): Likewise.
2379 (maximum_field_alignment, set_alignment): Now unsigned.
2380 (get_inner_reference): Alignment argument is now pointer to unsigned.
2381 * varasm.c (assemble_variable): Add cast to eliminate warning.
2383 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
2385 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
2386 then store directly into op0.
2388 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
2389 the CALL_INSN, and emit the note immediately after it.
2391 2000-02-10 Nick Clifton <nickc@cygnus.com>
2393 * config/arm/thumb.md (epilogue): Include a (return) in the
2394 generated insn, and emit it using emit_jump_insn not
2397 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
2399 * function.c (assign_temp): Change zero-sized arrays to size 1.
2400 * integrate.c (expand_inline_function): Do not update
2401 stack_alignment_needed
2402 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
2403 add some sanity checking, remove optimization for function with
2406 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2408 * flow.c (mark_regs_live_at_end): Delete unused variables.
2410 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
2412 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
2413 in macro FRAME_GROWS_DOWNWARD.
2415 * stmt.c (expand_end_bindings): Delete unused variable.
2417 * unroll.c (iteration_info): Mark parameter `loop' with
2420 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2422 * fixinc/server.c (load_data): Return NULL if the marker line is
2424 (run_shell): If load_data returns NULL, retry the command once, in
2427 * configure: Rebuilt.
2429 2000-02-09 Bruce Korb <bkorb@gnu.org>
2431 * gcc/fixincludes: ** DELETED **
2432 * gcc/fixcpp: ** DELETED **
2433 * gcc/fixinc-nt.sed: ** DELETED **
2434 * gcc/just-fixinc: ** DELETED **
2435 * gcc/Makefile.in: Removed out-dated commentary
2436 * gcc/configure.in: Removed fast-fixincludes disablement.
2437 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
2439 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
2440 * function.c (thread_prologue_and_epilogue_insns): Uncomment
2443 2000-02-09 Richard Henderson <rth@cygnus.com>
2445 * jump.c (delete_insn): Don't delete user labels at -O0.
2447 2000-02-09 Robert Lipe <robertl@sco.com>
2449 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
2450 Don't link with HOST_LIBS.
2452 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
2454 * configure.in: Correct --help text for --with-dwarf2.
2455 Put tm-dwarf2.h after other tm files, if it's requested.
2456 * configure: Regenerate.
2457 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
2460 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
2462 * cpplib.h: Provide HASHNODE typedef and forward decl of
2463 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
2464 DEFINITION, struct hashnode, struct macrodef, struct
2465 definition, scan_decls prototype, default defn of
2466 INCLUDE_LEN_FUDGE moved elsewhere.
2468 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
2469 definition, and struct hashnode moved here. Remove the unused
2470 'predefined' field from struct definition. Replace the 'args'
2471 union with its sole member. All users updated (cpphash.c).
2472 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
2473 multiple include guard.
2475 * cpphash.c (hashf): Make static; use better algorithm; drop
2476 HASHSIZE parameter; return an unsigned int.
2477 (cpp_lookup): Drop HASH parameter. PFILE parameter is
2478 used. Calculate HASHSIZE modulus here.
2479 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
2481 (create_definition): Drop PREDEFINITION parameter.
2482 * cpplib.c (do_define): Don't calculate a hash value here.
2483 Don't pass (keyword == NULL) to create_definition.
2485 * scan.h: Prototype scan_decls here.
2486 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
2487 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
2488 callers of cpp_lookup and cpp_install updated.
2490 * cpphash.c (macarg): Hoist all the flag diddling out of the
2492 (macroexpand): ... and out of the loop that calls macarg.
2493 Skip over the initial paren before macro arguments with
2494 cpp_get_non_space_token; point may be some distance before
2495 that paren. Abort if it's not there.
2497 * cpplib.c (parse_clear_mark): Delete function.
2498 (parse_set_mark, parse_goto_mark): Make static.
2499 (ACTIVE_MARK_P): New macro.
2500 (skip_block_comment, skip_line_comment): Do not bump the line
2501 if ACTIVE_MARK_P is true.
2502 (cpp_pop_buffer): The buffer to be popped may not have an
2504 (cpp_get_token): When looking for the initial paren before
2505 macro arguments, only set a mark in a file buffer, Always
2506 return to that mark before proceeding to call macroexpand or
2507 return a NAME token.
2509 * cpplib.h: Remove prototypes of parse_set_mark,
2510 parse_clear_mark, parse_goto_mark.
2511 (struct cpp_options): Rename 'put_out_comments' to
2512 'discard_comments' and invert its sense.
2513 * cppinit.c, cpphash.c, cpplib.c: All users of
2514 put_out_comments changed to use discard_comments, with
2517 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
2519 * function.c (thread_prologue_and_epilogue_insns): Don't delete
2520 the edge from a block that both jumps and falls through to the
2523 2000-02-09 Scott Bambrough <scottb@netwinder.org>
2525 * config/arm/arm.md (movsi): In PIC mode, make sure that a
2526 constant source address is legitimate.
2528 2000-02-09 Philip Blundell <pb@futuretv.com>
2530 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
2533 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
2535 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
2537 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
2539 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
2540 ends with a newline and a NUL. Don't be so clever manipulating
2543 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
2545 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
2546 not to BIGGEST_ALIGNMENT.
2548 2000-02-08 Geoff Keating <geoffk@cygnus.com>
2550 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
2551 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
2552 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
2553 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
2554 * frame.c (execute_cfa_insn): Handle
2555 DW_CFA_GNU_negative_offset_extended.
2557 2000-02-08 Richard Henderson <rth@cygnus.com>
2559 * flow.c (tidy_fallthru_edges): Split out from ...
2560 (delete_unreachable_blocks): ... here.
2561 (find_basic_blocks): Use it.
2563 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2565 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
2567 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
2569 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
2570 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
2571 (fix-header.o): Don't depend on cpphash.h.
2573 * scan.c (hashstr): New function.
2574 * scan.h: Prototype it.
2575 * fix-header.c: Don't include cpphash.h. Use hashstr.
2576 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
2577 hashstr. Report hash table statistics. Add private
2578 definition of xrealloc.
2580 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2582 * i386.h (TARGET_SWITCHES): Fix typo in option name.
2584 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
2586 * function.c (thread_prologue_and_epilogue_insns): Don't replace
2587 jumps with returns unless they are jumps to the fallthru block.
2589 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
2591 * i386.md (addqi3_cc): Fix contraints.
2593 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
2595 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
2597 2000-02-07 Mark Mitchell <mark@codesourcery.com>
2599 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
2600 carriage return after a macro name.
2602 2000-02-07 Fred Fish <fnf@be.com>
2604 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
2605 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
2607 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
2609 * cppfiles.c (deps_output): Count spacers in deps_column.
2611 2000-02-07 Neil Booth <NeilB@earthling.net>
2613 * cppinit.c (initialize_dependency_output): If there is no
2614 suffix, don't try to look for known suffixes. Use strrchr.
2615 (cpp_start_read): Remove duplicate initialization.
2617 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
2619 * calls.c (compute_argument_block_size): New argument
2620 preferred_stack_boundary.
2621 (expand_call): update cfun->preferred_stack_boundary, update call of
2622 compute_argument_block_size
2623 (emit_library_call): Increate cfun->preferred_stack_boundary
2624 to PREFERRED_STACK_BOUNDARY
2625 (emit_library_call_value): Likewise.
2626 * explow.c (allocate_dynamic_stack_spave): Likewise.
2627 * function.c (prepare_function_start): Set
2628 cfun->preferred_stack_boundary
2629 * function.h (struct function): Add preferred_stack_boundary field.
2630 * integrate.c (expand_inline_function): Update
2631 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
2632 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
2633 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
2635 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
2637 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
2638 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
2639 cpp_pedwarn, cpp_pedwarn_with_line,
2640 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
2641 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
2642 v_cpp_error_with_line, v_cpp_warning_with_line,
2643 cpp_message_from_errno, cpp_perror_with_name): Delete.
2645 * cpperror.c (cpp_print_containing_files): Take starting
2647 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
2648 (v_cpp_message): Now called directly by all entry points.
2650 (cpp_pfatal_with_name, cpp_message): Delete.
2651 (cpp_notice_from_errno, cpp_ice): New functions.
2652 (cpp_notice): Is now for reporting error conditions, just
2653 without an associated file.
2654 (cpp_error, cpp_error_with_line): Don't do anything if
2655 opts->inhibit_errors is on.
2656 (cpp_pedwarn_with_file_and_line): Take column argument also.
2658 * cpplib.h: Update prototypes of exported functions.
2659 (struct cpp_options): Add inhibit_errors.
2661 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
2662 non-error messages. Include intl.h.
2664 * cppinit.c, cppmain.c: Likewise. Also, use
2665 cpp_notice_from_errno instead of cpp_perror_with_name or
2666 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
2668 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
2669 report internal errors.
2671 * cpplib.c (do_define): Switch bcopy to memcpy.
2672 Give cpp_pedwarn_with_file_and_line a dummy column argument.
2674 * cpplib.c (copy_rest_of_line): Revert previous change: don't
2675 bail out early if we hit a line comment.
2677 2000-02-06 Richard Henderson <rth@cygnus.com>
2679 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
2680 * basic-block.h: Declare them.
2681 * emit-rtl.h (active_insn_p): New.
2682 (next_active_insn, prev_active_insn): Use it.
2683 * rtl.h: Declare it.
2684 * function.c (emit_return_into_block): New.
2685 (thread_prologue_and_epilogue_insns): Insert return insns instead
2686 of epilogues when possible.
2687 * jump.c (jump_optimize_1): Remove code to insert a return insn
2688 on the fallthru to the exit block.
2690 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
2691 and for non-empty stack frames.
2692 * i386.md (return): Expand to return-pop as needed.
2694 2000-02-06 Richard Henderson <rth@cygnus.com>
2696 * simplify-rtx.c (simplify_relational_operation): Canonicalize
2697 constant to op1 for testing.
2699 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2701 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
2702 (fixuns_truncqfqi2): Use it.
2704 2000-02-06 Richard Henderson <rth@cygnus.com>
2706 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
2709 * i386.md (widening and peepholes): Mask the constant instead of
2712 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
2714 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
2715 input pointer before possibly branching off to the backslash
2717 * cpphash.c (macroexpand): Correctly delete \r escapes when
2718 stringifying parameters.
2719 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
2720 if we can; bail out early if we hit a line comment.
2721 (handle_directive): Treat '# 123' in an .S file just like
2722 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
2723 Return 1 for '# not_a_directive'.
2724 (get_directive_token): Pop macro buffers here, so that
2725 cpp_get_token can't sneakily move past a newline.
2727 (cpp_get_token): goto randomchar if handle_directive returns 0.
2729 * cppalloc.c: Update copyright.
2730 * cpplib.c: Merge all the static function prototypes into one
2732 * cpplib.h: Remove #if 0 block.
2734 * cpperror.c: Remove #ifdef EMACS block.
2735 * cppmain.c: Likewise.
2736 * cpphash.c: Remove #if 0 blocks.
2737 * cppinit.c: Remove #if 0 blocks, and the -lint option.
2738 * cpplib.c: Remove #if 0 blocks and code referencing
2739 pcp_inside_if or for_lint. Remove duplicate error message.
2740 Fix error messages for #else after #else or #elif. Reformat.
2741 Remove archaic TODO list.
2742 * cpplib.h: Remove pcp_inside_if and for_lint flags.
2744 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
2746 * i386/osf1elf.h: Add missing backslash to multiline string.
2748 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2750 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
2752 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2754 * Makefile.in (c-common.o): Depend on $(EXPR_H).
2756 * c-common.c: Include expr.h.
2758 * c-pragma.c (mark_align_stack): Add prototype.
2760 * caller-save.c (add_stored_regs): Likewise.
2762 * combine.c (record_promoted_value): Likewise.
2764 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
2767 * cppinit.c (new_pending_define): Likewise.
2769 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
2771 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
2772 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
2773 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
2774 class_scope_p): Likewise.
2776 * dwarf2out.h (dwarf2out_set_demangle_name_func,
2777 dwarf2out_add_library_unit_info): Likewise.
2779 * ggc.h (ggc_page_print_statistics): Likewise.
2781 * haifa-sched.c (propagate_deps): Likewise.
2783 * reg-stack.c (next_flags_user, record_label_references): Likewise.
2785 * rtl.h (set_stack_check_libfunc): Likewise.
2787 * toplev.h (set_fatal_function): Likewise.
2789 * toplev.c (set_fatal_function): Delete prototype.
2791 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
2793 2000-02-05 Geoff Keating <geoffk@cygnus.com>
2795 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
2796 (FUNC_END): Likewise.
2798 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2800 * caller-save.c: Include tm_p.h.
2802 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2804 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
2806 2000-02-04 Neil Booth <NeilB@earthling.net>
2808 * cccp.c (main): Check 'dir' for a NULL pointer before passing
2811 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
2813 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
2814 * genflags.c: Use the max_operand_1 logic from genemit.c to
2815 calculate how many arguments gen_insn prototypes have. Remove
2816 NO_MD_PROTOTYPES ifdefs from the generated file.
2817 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
2818 file. Cast gen_insn initializers to insn_gen_fn.
2819 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
2820 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
2822 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2824 * fixinc/Makefile.in (HDR): Add machname.h.
2827 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2829 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
2830 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
2831 (c4x_cpu_version): Ditto.
2832 * config/c4x/c4x-protos.h: ... here.
2834 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
2836 * dwarf2out.c (add_abstract_origin_attribute): Don't call
2837 gen_abstract_function on our context if we're a nested function.
2839 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2841 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
2842 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
2844 2000-02-04 Bruce Korb <bkorb@gnu.org>
2846 * fixinc/genfixes(machname.h):
2847 Move the functionality from gen-machine.h into this file.
2848 UNdef MN_NAME_PAT if there are no names to change.
2849 Also, be a little kinder when AutoGen is not present.
2851 * fixinc/Makefile.in(machname.h):
2852 Change the generation rule to use genfixes.
2854 * fixinc/fixfixes.c(machine_name):
2855 machine_name_fix's functionality now dependent upon whether
2856 MN_NAME_PAT is defined.
2858 * fixinc/fixtests.c(machine_name):
2861 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
2864 * fixinc/fixlib.h(mn_get_regexps):
2867 * fixinc/gen-machine.h: DELETED
2869 2000-02-04 Jan Hubicka <jh@suse.cz>
2870 Richard Henderson <rth@cygnus.com>
2872 * i386.c (SAVE_REGS_FIRST): Remove.
2873 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
2874 (ix86_compute_frame_size): Likewise.
2875 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
2876 (ix86_emit_restore_regs): Remove.
2877 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
2878 when a frame pointer is in use.
2879 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
2880 instead of pop to restore a register when profitable; emit leave
2882 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
2884 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
2885 * i386.md (prologue_allocate_stack): Remove.
2886 (epilogue_deallocate_stack): Remove.
2887 (pro_epilogue_adjust_stack): New.
2889 2000-02-04 Richard Henderson <rth@cygnus.com>
2891 * function.c (diddle_return_value): Rework to use a callback function.
2892 Use current_function_return_rtx if it's been set up.
2893 (do_clobber_return_reg, clobber_return_register): New.
2894 (do_use_return_reg, use_return_register): New.
2895 (expand_function_end): Use them.
2896 * stmt.c (expand_null_return): Likewise.
2897 * function.h: Declare them.
2898 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
2899 (mark_reg): Change arguments as appropriate for callback.
2900 * integrate.c (expand_inline_function): Revert 19 Jan change.
2902 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
2904 * tm.texi (Values in Registers): Fix typo: "fo" "for".
2905 (Misc): Say the scheduler, not the Haifa scheduler.
2907 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
2909 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
2910 when in_mem is set. Update all callers.
2912 2000-02-04 Richard Henderson <rth@cygnus.com>
2914 * i386/openbsd.h (INT_ASM_OP): Define.
2916 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
2918 * tm.texi: Fix various typos.
2920 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
2922 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
2923 (MD_STARTFILE_PREFIX_1): New macro.
2925 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
2927 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
2928 destination when needed.
2929 (strmovsi, strsetsi): New expander.
2930 (strmovsi_1, strsetsi_1): New pattern.
2931 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
2932 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
2933 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
2934 * invoke.texi (align-stringops, inline-all-stringops): Document.
2936 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
2938 * i386/netbsd.h (INT_ASM_OP): Define.
2940 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
2942 * cpplib.h (cpp_reader): Add new flag, no_directives.
2943 * cpphash.c (macarg): Set it.
2944 * cpplib.c (handle_directive): If no_directives is on and we
2945 find a directive, issue an error and discard the line.
2947 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
2949 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
2950 FP constants. Add ! TARGET_FPU check for FP constants.
2952 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
2954 * flow.c (find_basic_blocks): Don't kill label_value_list
2956 (cleanup_cfg): Kill it here.
2958 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2960 * expr.c (store_field): Ensure ALIGN is no stricter than the
2963 2000-02-02 Richard Henderson <rth@cygnus.com>
2965 * jump.c (delete_insn): Partially revert 19 Jan change;
2966 don't convert unused code labels to notes at -O0.
2968 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2970 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
2971 split_all_insns to recreate REG_LABEL notes for flow2 pass.
2973 2000-02-01 Richard Henderson <rth@cygnus.com>
2975 * i386.c (general_no_elim_operand): New.
2976 (nonmemory_no_elim_operand): New.
2977 (ix86_expand_move): Copy eliminable operands before a push.
2978 * i386-protos.h: Declare new functions.
2979 * i386.h (CAN_ELIMINATE): Simplify.
2980 (PREDICATE_CODES): Update.
2981 * i386.md (push insns): Don't allow eliminable register operands.
2983 2000-02-01 Richard Henderson <rth@cygnus.com>
2985 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
2986 replace BLKmode with DECL_RTL's mode.
2988 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
2990 * frame.c (find_fde): Convert for loop to do-while so compiler
2991 sees it's always executed at least once.
2992 * libgcc2.c (BBINBUFSIZE): Kill.
2993 (__bb_init_prg): Use fgets.
2994 (__bb_exit_trace_func): Don't paste strings.
2995 * unroll.c (unroll_loop): Initialize unroll_type, not
2996 unroll_number, and tweak logic to match.
2998 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
3000 (ix86_flags_dependant): Likewise. Disentangle control flow.
3001 (ix86_sched_reorder): Break guts out to
3002 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
3003 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
3006 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
3007 use string concatenation. Don't save and restore esi.
3009 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
3010 (machname.h): Remove script to separate file. Use two-step
3011 sequence so target is not created if script fails.
3012 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
3013 identifiers are defined.
3014 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
3015 an empty string, machine_name doesn't need to do anything at
3017 (is_cxx_header): Add more cases to regexp.
3018 * fixinc/fixlib.h: Update prototype.
3019 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
3021 * fixinc/fixincl.c: Define NO_BOGOSITY.
3023 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
3024 (hp_sysfile): Add missing comma.
3025 (math_exception): Put the wrapper ifdefs at the beginning and
3026 the end of the file.
3027 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
3029 2000-02-01 Richard Henderson <rth@cygnus.com>
3031 * sparc.c (fp_zero_operand): Turn into a normal predicate.
3032 Use CONST0_RTX. Update all callers.
3033 * sparc.h, sparc-protos.h: Update accordingly.
3034 * sparc.md (fp mov insns): Use fp_zero_operand directly
3037 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
3039 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
3042 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3044 * Makefile.in (specs.ready): New target.
3045 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
3047 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3049 * fixinc.irix: Use unique filenames for writing into /tmp,
3050 * fixinc.ptx: Likewise.
3051 * fixinc.sco: Likewise.
3052 * fixinc.svr4: Likewise.
3053 * fixinc.winnt: Likewise.
3055 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3057 * tsystem.h: New file.
3059 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
3060 s-crtS): Depend on tsystem.h.
3062 * crtstuff.c: Include tsystem.h.
3063 * frame.c: Likewise.
3064 * libgcc2.c: Likewise.
3066 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
3068 * builtins.c (expand_builtin_memset): Expand for variable sized
3071 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
3073 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
3076 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
3078 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
3080 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
3082 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
3084 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
3085 case 3->2 combining (combining with splitting) in which 2 is CC0
3086 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
3087 checked at the begining of the function with the aid of calling
3088 function 'can_combine_p'.
3090 2000-01-31 Dave Brolley <brolley@redhat.com>
3092 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
3094 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
3096 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
3099 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3101 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
3103 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
3106 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
3108 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
3109 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
3110 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
3111 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
3112 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
3113 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
3114 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
3115 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
3116 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
3117 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
3119 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
3120 Add %(cpp_cpu) to CPP_SPEC.
3122 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
3123 Add %(cc1_cpu) to CC1_SPEC.
3125 2000-01-28 Ulrich Drepper <drepper@redhat.com>
3127 * c-decl.c (c_decode_option): Accept optional numeric argument to
3128 -Wformat and set warn_format.
3129 * c-common.c: Don't emit warning about non-constant printf format
3130 string unless warn_format > 1.
3132 2000-01-30 Richard Henderson <rth@cygnus.com>
3134 * alpha.md (return_internal): Allow after reload only.
3136 2000-01-30 Richard Henderson <rth@cygnus.com>
3138 * i386.c (ix86_compute_frame_size): Omit padding1 if the
3139 local frame size is zero.
3141 2000-01-30 Richard Henderson <rth@cygnus.com>
3143 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
3144 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
3145 * alpha.md (return): Turn into an expander.
3146 (return_internal): Don't use $26.
3147 (epilogue): Emit the return insn.
3149 2000-01-30 Richard Henderson <rth@cygnus.com>
3151 * alpha.md (negtf2, abstf2): Fix word order thinko.
3153 (trunctfsf2): Avoid intermediate rounding errors.
3155 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
3157 * cppfiles.c (find_position): Drop 'colp' argument, return the
3159 (read_and_prescan): Adjust to match. Don't ever manipulate
3160 line or line_base except via find_position.
3162 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
3164 * c-parse.in: Apply Ulrich's changes from c-parse.y.
3165 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
3168 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
3170 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
3171 just print "<command line>". If 'filename' is null or an
3172 empty string, print "<stdin>" for the filename.
3173 * cpplib.c (do_define): Don't print the 'location of the
3174 previous definition' message if we're still parsing the
3176 (cpp_pedwarn_with_file_and_line): Always call
3177 cpp_file_line_for_message.
3179 2000-01-29 Mark Mitchell <mark@codesourcery.com>
3181 * flow.c (mark_regs_live_at_end): Fix typo.
3183 2000-01-28 Ulrich Drepper <drepper@redhat.com>
3185 * c-common.c: Adjust variable names, comments, help strings to c99.
3186 * c-lex.c: Likewise.
3187 * c-parse.y: Likewise.
3188 * c-tree.h: Likewise.
3190 * cpplib.h: Likewise.
3191 * c-decl.c: Likewise. Recognize options with names "*99" as well.
3192 * cppinit.c: Likewise.
3194 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3196 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
3197 * c4x.c: Define the optab rtx values.
3198 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
3199 (c4x_emit_libcall): Use new optab rtx values.
3200 (c4x_emit_libcall3): Likewise.
3201 (c4x_emit_libcall_mulhi): Likewise.
3202 * c4x-protos.h: Add prototypes for optab rtx values and change
3203 prototypes for above c4x_emit_libcall functions.
3205 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3207 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
3209 (c4x_function_prologue): Use regnames intead of float_reg_names when
3211 (c4x_function_epilogue): Likewise.
3212 (c4x_print_operand): Likewise.
3213 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
3214 * c4x.md (set_high): Disable for TARGET_TI.
3216 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3218 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
3219 of framepointer + constant to ADDR_REGS class.
3220 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
3221 * c4x.c (std_or_reg_operand): New function.
3222 * c4x-protos.h (std_or_reg_operand): Prototype it.
3224 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3226 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
3227 object names as libgcc2.c.
3228 * libgcc.S: Use newly defined names.
3230 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
3231 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
3233 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
3234 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
3235 (FLOW_LOOP_LAST_BLOCK): Likewise.
3237 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3239 * basic-block.h (struct loop): New fields 'first' and 'last'.
3240 * flow.c (flow_loops_find): Compute loop->first and loop->last.
3241 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
3242 and loop->last to check for NOTE_INSN_LOOP_END.
3244 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
3246 * predict.c (estimate_probability): Use the new FIRST and LAST fields
3247 of the loop descriptor rather than HEADER and LATCH. Also added
3248 missing break statements as well making some coding style modifications
3249 as suggested by Michael Hayes.
3251 2000-01-28 Richard Henderson <rth@cygnus.com>
3253 * flow.c (find_basic_blocks): Remove do_cleanup argument.
3254 Break out that code ...
3255 (cleanup_cfg): ... here.
3256 (commit_one_edge_insertion): Detect a return instruction being
3257 emitted to an edge. Emit a barrier following; clear fallthru.
3258 (commit_edge_insertions): Verify CFG consistency.
3259 * function.c (expand_function_start): Kill unused variable.
3260 (expand_function_end): Likewise.
3261 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
3262 to insert the epilogue.
3264 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
3265 (delete_null_pointer_checks): Likewise.
3266 * output.h: Likewise.
3267 * reg-stack.c (reg_to_stack): Likewise.
3268 * toplev.c (rest_of_compilation): Likewise. Run
3269 thread_prologue_and_epilogue_insns after rebuilding the CFG.
3271 2000-01-28 Richard Henderson <rth@cygnus.com>
3273 * Makefile.in (flow.o): Revert 24 Jan change.
3274 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
3275 FUNCTION_VALUE result to DECL_RESULT's mode.
3277 * haifa-sched.c (schedule_insns): Don't recompute reg info
3280 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
3282 * configure.in: Make --enable-cpplib the default.
3283 * configure: Regenerate.
3284 * gcc.dg/990119-1.c: No longer expected to fail.
3286 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
3288 * jump.c (jump_optimize_1): Delete an optimization that is also done
3289 by merge_blocks in flow.
3291 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3293 * diagnostic.c (build_message_string, output_printf,
3294 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
3295 (build_location_prefix): Fix non-literal format string.
3297 2000-01-27 Richard Henderson <rth@cygnus.com>
3299 * alpha.md (trunctfsf2): New.
3301 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
3303 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
3305 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
3307 * cppinit.c (cpp_handle_option): Recognize C++ comments under
3309 * cpplib.c (skip_block_comment, skip_line_comment): Split code
3311 (skip_comment) ... here. Permit C++ comments in system
3312 headers always. Warn about C++ comments in user code under
3313 -std=gnu89 -pedantic.
3314 (copy_comment): Use skip_comment.
3315 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
3317 (consider_directive_while_skipping, do_else, do_endif): Call
3318 validate_else unconditionally.
3319 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
3320 text after the conditional in a system header.
3321 * cpplib.h (struct cpp_buffer): Add flag
3322 warned_cplusplus_comments.
3324 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
3326 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
3327 Use unshare_all_rtl_1.
3328 (unshare_all_rtl_again): New function.
3329 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
3331 * function.c (purge_addressof_1): Use unshare_all_rtl_again
3332 rather than resetting the 'used' flags ourself.
3334 * toplev.c (rest_of_compilation): Add current_function_decl
3335 to the unshare_all_rtl call.
3336 * tree.h: Prototype unshare_all_rtl.
3337 * rtl.h: Prototype unshare_all_rtl_again here.
3339 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
3341 * genoutput.c (output_prologue): Include ggc.h in generated
3343 * Makefile.in (insn-output.o): Depends on ggc.h.
3345 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
3346 Hans-Peter Nilsson <hp@bitrange.com>
3348 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
3349 Remove redundant include of xm-ns32k.h.
3350 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
3351 Remove redundant include of xm-ns32k.h.
3352 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
3353 Remove redundant include of xm-ns32k.h.
3354 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
3356 * ns32k/ns32k.h: Update comment on multiply-add instructions.
3357 (TARGET_SWITCHES): Add documentation strings.
3358 (DWARF_FRAME_REGNUM): Override default definition.
3359 (REG_CLASS_CONTENTS): Add comments.
3360 (SUBSET_P): Format to reduce line length.
3361 (SMALL_REGISTER_CLASSES): Make a run time option.
3362 (GO_IF_NONINDEXED_ADDRESS): Reformat.
3363 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
3364 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
3365 (regclass_map): fix typo in comment.
3366 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
3367 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
3368 (trace, reg_or_mem_operand): Delete, unused function.
3369 (calc_address_cost): Small offsets are cheaper than large ones.
3370 (expand_block_move): Generate more efficient code when bytes is a
3371 known at compile time.
3372 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
3373 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
3374 instead of reg_or_mem_operand.
3376 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
3377 not general_operand. Similarly use "=rm" or stricter, not "=g".
3378 For input operands, use stricter constraints than "g" if not
3379 general_operand. Similarly use stricter predicate than
3380 "general_operand" when stricter constraints than "g" are present,
3381 except for matching constraints.
3382 (movstrsi): Use "memory_operand" for operands 0 and 1.
3383 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
3384 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
3385 not reg_or_mem_operand.
3386 (udivmoddisi4): Ditto.
3387 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
3388 Use nonimmediate_operand for operand 3, not register_operand.
3389 (udivmoddiqi4_internal): Use register_operand for operand 1, not
3392 2000-01-27 Fred Fish <fnf@be.com>
3394 * gthr-posix.h: Fix typo; compatibily -> compatibility.
3395 * gthr-single.h: Likewise.
3396 * gthr-solaris.h: Likewise.
3397 * gthr-vxworks.h: Likewise.
3398 * gthr-win32.h: Likewise.
3401 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
3403 * cppinit.c: Add " (cpplib)" to end of string printed by
3406 2000-01-27 Richard Henderson <rth@cygnus.com>
3408 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
3409 testing for a signed comparison.
3410 (alpha_emit_floatuns): New.
3411 * alpha-protos.h: Declare it.
3412 * alpha.md (floatunsdisf2, floatunsdidf2): New.
3413 (extendsfdf2): Tidy.
3415 2000-01-27 Jakub Jelinek <jakub@redhat.com>
3417 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
3418 no -g option specifying debugging format, default to -gstabs+.
3420 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3422 * calls.c (special_function_p): New argument fork_or_exec.
3423 (expand_call): When profile_arc_flag is set and the function
3424 is in the fork_or_exec group, call __bb_fork_func first.
3425 * libgcc2.c, _bb module (__bb_fork_func): New function.
3426 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
3428 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
3429 * tree.h (special_function_p): Update prototype.
3431 2000-01-26 Richard Henderson <rth@cygnus.com>
3433 * alpha.c (alpha_split_tfmode_pair): New.
3434 * alpha-protos.h: Declare it.
3435 * alpha.md (abstf2, negtf2): New.
3436 (movtf insn): Add input G constraint.
3437 (movtf splitter): Use alpha_split_tfmode_pair.
3439 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3441 * i386/cygwin.h: PROTO -> PARAMS.
3443 2000-01-26 Jakub Jelinek <jakub@redhat.com>
3445 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
3446 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
3447 using _Qp_cmp/_Q_cmp and testing the return value.
3448 (print_operand): Call reverse_condition_maybe_unordered if
3449 we are handling CCFPmode or CCFPEmode.
3450 Handle ORDERED, UN* and LTGT comparisons.
3451 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
3452 if not TARGET_HARD_QUAD.
3453 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
3454 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
3455 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
3456 Adjust gen_b* calls so that they reflect return comparison of
3457 sparc_emit_float_lib_cmp.
3459 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3461 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
3462 incoming operands array is large enough for one more operand.
3463 (alpha_emit_xfloating_arith): Likewise.
3465 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
3467 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
3468 file with one line and no trailing newline.
3469 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
3470 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
3471 checking if the match is on the line.
3472 * fixinc/gnu-regex.c: Provide regerror not __regerror.
3474 2000-01-25 Richard Henderson <rth@cygnus.com>
3476 * sparc.c (output_cbranch): Fix accidental squashing of the
3477 fp branch pre-delay nop.
3479 2000-01-25 Richard Henderson <rth@cygnus.com>
3481 * tree.def (UNNE_EXPR): Remove.
3482 * c-typeck.c (build_binary_op): Don't handle it.
3483 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
3485 * rtl.def (UNNE): Remove.
3487 * jump.c (reverse_condition): Update accordingly.
3488 (swap_condition): Likewise.
3489 (comparison_dominates_p): Handle unordered comparisons.
3490 (reverse_condition_maybe_unordered): New.
3491 * rtl.h (reverse_condition_maybe_unordered): Declare.
3493 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
3494 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
3495 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
3496 * sparc.md (bltgt): New.
3498 2000-01-25 Nick Clifton <nickc@redhat.com>
3500 * emit-rtl.c (emit_insn): Only check machine class insns for
3501 improper emission of a RETURN.
3503 2000-01-25 Richard Henderson <rth@cygnus.com>
3505 * Makefile.in (flow.o): Depend on $(EXPR_H).
3506 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
3507 duplicate the structure of diddle_return_value for keeping regs live.
3509 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3511 * loop.c (current_loop_info): Delete.
3512 (consec_sets_invariant_p): Add loop argument, update callers.
3513 (get_condition_for_loop): Likewise.
3514 (count_nonfixed_reads, update_giv_derive): Likewise.
3515 (simplify_giv_expr, general_induction_var): Likewise.
3516 (consec_sets_giv, recombine_givs): Likewise.
3517 (move_movables): Delete loop_start and loop_end arguments,
3518 add loop argument, and update callers.
3519 (find_mem_givs, check_final_value): Likewise.
3520 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
3521 (loop_invariant_p): Rename from invariant_p, add loop argument, and
3523 (basic_induction_var): Add loop argument, delete loop_level argument,
3525 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
3526 add loop argument, and update callers.
3527 (find_splittable_regs, find_splittable_givs): Likewise.
3528 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
3529 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
3530 (biv_total_increment): Delete loop_start and loop_end arguments;
3532 (precondition_loop_p): Delete loop_start and loop_info arguments;
3534 * loop.h (get_condition_for_loop): Add loop argument.
3535 (biv_total_increment): Delete loop_start and loop_end arguments.
3536 (precondition_loop_p): Delete loop_start and loop_info arguments;
3538 (final_biv_value): Delete loop_start and loop_end arguments;
3540 (final_giv_value, back_branch_in_range_p): Likewise.
3542 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
3544 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
3546 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
3548 * Makefile.in (c-gperf.h) : Change the "See" pointer to
3549 point to the new "generated_files" doc.
3551 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
3553 * config/fp-bit.c (_unord_f2): Fix typo.
3555 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
3557 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
3558 c-typeck.c, objc/objc-act.c: Remove all references to obstack
3559 functions obsoleted by GC, such as push_obstacks_nochange,
3560 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
3561 and code which existed only to decide whether or not to call
3562 them. Remove now-unused NESTED argument from start_function;
3563 all callers changed. Do not change behavior based on ggc_p.
3564 The use of the ixp_obstack in c-iterate.c and the util_obstack
3565 in objc/objc-act.c remain; these are not obsoleted by garbage
3567 * c-tree.h: Update prototype for start_function.
3569 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
3571 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
3573 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
3576 2000-01-25 Richard Henderson <rth@cygnus.com>
3578 * sparc-protos.h (select_cc_mode): Declare.
3579 * sparc.c (select_cc_mode): New. Handle unordered compares.
3580 (output_cbranch): Always reverse via code change. Handle
3581 unordered compares. Factor tests and string updates.
3582 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
3583 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
3584 * sparc.md (bunordered, bordered): New.
3585 (bungt, bunlt, buneq, bunge, bunle): New.
3587 2000-01-25 Richard Henderson <rth@cygnus.com>
3589 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
3590 * ggc-common.c (ggc_add_rtx_varray_root): New.
3591 (ggc_mark_rtx_varray): New.
3592 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
3593 functions down below ggc_mark_foo.
3594 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
3596 2000-01-25 Richard Henderson <rth@cygnus.com>
3598 * alpha.c (secondary_reload_class): Don't allocate a secondary
3599 for integral mode memories into FLOAT_REGS. Rearrange the more
3600 complicated memory expression inward.
3602 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
3604 * inclhack.def: Fixes to play nicer with FreeBSD, and
3605 corrections to comments.
3606 (cxx_unready): Add select expression.
3607 (irix_sockaddr): Add bypass expression.
3608 (machine_ansi_h_va_list): New fix.
3609 (stdio_va_list): No need to edit _BSD_VA_LIST_.
3610 Split out addition of "#include <stdarg.h>" to...
3611 (stdio_stdarg_h): ... here.
3612 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
3613 to stdlib.h also. Do not munge _BSD_SIZE_T_.
3614 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
3616 (ultrix_ifdef): Tighten up select expression.
3618 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
3619 re_ct and max_mach to avoid use of shell. Make printed names
3620 match names in inclhack.def. Use static copyright date.
3621 Don't count c_test and test expressions as requiring regex_t
3622 slots. Add some commentary.
3623 * inclhack.tpl: Do not include the 'This script contains N
3624 fixup scripts' line if PROGRAM is defined. Use static
3627 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
3629 * dwarf2out.c: include "varray.h", not dyn-string.h.
3630 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
3631 (addr_const_to_string, addr_to_string): Lose.
3632 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
3633 (struct dw_val_struct): val_addr is now an rtx.
3634 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
3635 (used_rtx_varray): New varray.
3636 (dwarf2out_init): Initialize it.
3638 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
3640 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
3641 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
3642 * Makefile.in (dwarf2out.o): Update dependencies.
3644 2000-01-24 Richard Henderson <rth@cygnus.com>
3646 * i386.c (i386_dwarf_output_addr_const): New.
3647 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
3649 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
3651 * dwarfout.c (output_mem_loc_descriptor): Likewise.
3652 * i386.c (i386_simplify_dwarf_addr): New.
3653 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
3655 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
3657 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
3658 TYPE_STUB_DECL is NULL.
3660 2000-01-24 Richard Henderson <rth@cygnus.com>
3662 * builtins.c (expand_tree_builtin): Move ...
3663 * c-common.c (expand_tree_builtin): ... here.
3665 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3667 * loop.h (LOOP_INFO): New accessor macro.
3668 * basic-block.h (struct loop): Rename field `info' to `aux'.
3669 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
3670 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
3671 * unroll.c (loop_iterations, unroll_loop): Likewise.
3673 2000-01-24 Christopher Faylor <cgf@cygnus.com>
3675 * config/i386/t-cygwin: Accomodate new winsup directory layout
3676 when searching for include files.
3678 2000-01-24 Richard Henderson <rth@cygnus.com>
3680 * rtl.def: Add unordered fp comparisions.
3681 * tree.def: Likewise.
3682 * tree.h: Add ISO C 9x unordered fp comparision builtins.
3684 * builtins.c (expand_tree_builtin): New function.
3685 * c-typeck.c (build_function_call): Use it.
3686 (build_binary_op): Support unordered compares.
3687 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
3689 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
3690 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
3691 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
3692 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
3693 * jump.c (reverse_condition): Don't abort for UNLE etc, but
3695 (swap_condition): Handle unordered compares.
3696 (thread_jumps): Check can_reverse before reversing.
3697 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
3700 * optabs.c (can_compare_p): New argument CODE. Verify branch or
3701 setcc is present before acking for cmp_optab. Update all callers.
3702 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
3703 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
3704 * expr.c (expand_expr): Likewise. Support unordered compares.
3705 (do_jump, do_store_flag): Likewise.
3706 * expr.h (enum libfunc_index): Add unordered compares.
3708 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
3709 (DPBIT_FUNCS): Add _unord_df.
3710 * config/fp-bit.c (_unord_f2): New.
3711 * fp-test.c (main): Try unordered compare builtins.
3713 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
3714 * alpha.c (alpha_comparison_operator): Check mode properly.
3715 (alpha_swapped_comparison_operator): Likewise.
3716 (signed_comparison_operator): Likewise.
3717 (alpha_fp_comparison_operator): New.
3718 (alpha_emit_conditional_branch): Handle unordered compares.
3719 * alpha.h (PREDICATE_CODES): Update.
3720 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
3721 (bunordered, bordered): New.
3723 2000-01-24 Richard Henderson <rth@cygnus.com>
3725 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
3726 * alpha.md (movtf): New expander, insn, and splitter.
3728 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
3730 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
3733 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
3735 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
3736 (FIXED_REGISTERS, CALL_USED_REGISTERS,
3737 REG_ALLOC_ORDER): Add frame pointer
3738 (FRAME_POINTER_REGNUM): Set to 20
3739 (HARD_FRAME_POINTER_REGNUM): New macro.
3740 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
3741 to HARD_FRAME_POINTER.
3742 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
3743 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
3744 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
3745 (HI_REGISTER_NAMES): Add "frame".
3746 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
3747 (debug_reg): Handle FRAME_POINTER_REGNUM.
3748 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
3749 GENERAL_REGS and INDEX_REGS.
3750 * i386.c (SAVED_REGS_FIRST): new macro.
3751 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
3752 (ix86_decompose_address, memory_address_length): Likewise.
3753 (regclass_map): Add frame pointer.
3754 (call_insn_operand): Handle frame_pointer_rtx.
3755 (reg_no_sp_operand): Likewise.
3756 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
3757 (print_operand, legitimize_pic_address): Fix formating.
3758 (ix86_compute_frame_size): Make static, update prototype, new
3759 parameters padding1, padding2, use ix86_nsaved_regs, use
3760 stack_alignment_needed.
3761 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
3762 to HARD_FRAME_POINTER_REGNUM conversions.
3763 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
3764 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
3765 (print_reg): Abort on FRAME_POINTER_REGNUM
3767 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
3769 * i386.h (PREDICATE_CODES): Add aligned_operand.
3770 * i386.c (aligned_operand): New function.
3771 (ix86_aligned_p): Kill.
3772 * i386.md (movhi_1): Emit mov for aligned operands.
3773 (promoting peep2s): Use aligned_operand.
3775 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
3777 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
3778 expression to allow underscores in macro names.
3779 (fix_char_macro_defines): Increment scanning pointer.
3781 2000-01-23 Richard Henderson <rth@cygnus.com>
3783 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
3784 * alpha/osf5.h: New file.
3785 * configure.in (alpha-*-osf5): Add it to tm_file.
3787 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
3789 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
3790 (alpha_emit_xfloating_cvt, function_arg): Declare.
3791 * alpha.c (alpha_emit_conditional_branch): Call
3792 alpha_emit_xfloating_compare for TFmode compares.
3793 (alpha_lookup_xfloating_lib_func): New.
3794 (alpha_compute_xfloating_mode_arg): New.
3795 (alpha_emit_xfloating_libcall): New.
3796 (alpha_emit_xfloating_arith): New.
3797 (alpha_emit_xfloating_compare): New.
3798 (alpha_emit_xfloating_cvt): New.
3799 (print_operand): Add default abort case.
3800 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
3801 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
3802 (BIGGEST_ALIGNMENT): Increase to 128 bits.
3803 (RETURN_IN_MEMORY): True for TF/TCmode.
3804 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
3805 (FUNCTION_ARG): Move to function_arg.
3806 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
3807 (ASM_OUTPUT_LONG_DOUBLE): New.
3808 (ASM_OUTPUT_DOUBLE): Always output bits.
3809 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
3810 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
3811 (extenddftf2, trunctfdf2): New.
3813 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3815 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
3816 * config/sparc/sol2.h: ... here.
3818 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3820 * basic-block.h (struct loops): New field `levels'.
3821 * flow.c (flow_loops_level_compute): Traverse all outer loops.
3822 (flow_loop_level_compute): Initialise level to 1.
3823 (flow_loops_find): Set loops->levels.
3824 (flow_loops_dump): Print loops->levels.
3826 2000-01-23 Richard Henderson <rth@cygnus.com>
3828 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
3829 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
3831 2000-01-23 Richard Henderson <rth@cygnus.com>
3833 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
3834 * i386.h (DBX_REGISTER_NUMBER): Use them.
3835 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
3836 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
3837 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
3838 * i386/sequent.h: Kill incorrect comment.
3840 2000-01-23 Mark Mitchell <mark@codesourcery.com>
3842 * ggc-page.c (struct page_entry): Make `context_depth' an
3844 (struct globals): Likewise.
3846 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
3848 * loop.c (check_dbra_loop): When checking a loop for
3849 reversability, check the source of any stores to ensure
3850 they don't depend on an initial value.
3852 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3854 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
3856 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
3858 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
3859 'pz_scan' into scope of entire function. Only affects
3860 compiles with -DDEBUG.
3862 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
3864 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
3865 section naming to that prior to 2000-01-07 patch.
3866 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
3867 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
3868 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
3869 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
3870 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
3872 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
3874 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
3877 2000-01-21 Jim Wilson <wilson@cygnus.com>
3879 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
3880 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
3882 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
3884 * cpphash.c (change_newlines): Delete function.
3885 (struct argdata): Delete 'newlines' and 'use_count' fields.
3886 (macroexpand): Remove code referencing those fields.
3888 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3890 * loop.c (loops_info): New variable.
3891 (loop_optimize): Allocate loops->array and free it on exit.
3892 Allocate memory for loops_info and assign to each loop,
3894 (find_and_verify_loops): Do not allocate loops->array.
3896 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
3898 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
3900 2000-01-21 Jakub Jelinek <jakub@redhat.com>
3902 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
3903 pseudos if expanded after first flow.
3904 (movdi_pic_label_ref): Likewise.
3906 2000-01-20 Richard Henderson <rth@cygnus.com>
3908 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
3910 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
3912 * Makefile.in (fixinc.sh): Depend on specs.
3913 * fixinc/Makefile.in: Add rule to create machname.h.
3914 (fixlib.o): Depend on machname.h.
3915 * fixinc/fixtests.c (machine_name): New test.
3916 * fixinc/fixfixes.c (machine_name): New fix.
3917 * fixinc/fixlib.c (mn_get_regexps): New helper function for
3918 the machine_name test and fix.
3919 * fixinc/fixlib.h: Prototype it.
3920 * fixinc/inclhack.def (machine_name): Use the C test and fix.
3921 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
3923 * gcc.c (do_spec_1) [case P]: Take care not to create
3924 identifiers with three leading or trailing underscores.
3926 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
3927 (fixincl): Don't specify libraries twice on link line.
3928 (gnu-regex.o): Remove special rule.
3929 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
3930 defined by config.h. Do not define _REGEX_RE_COMP.
3931 (regcomp): Allocate and initialize a fastmap.
3932 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
3934 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
3936 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
3938 2000-01-19 Richard Henderson <rth@cygnus.com>
3940 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
3941 arguments with BB. Update all callers. Tidy line wrapping.
3943 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
3945 * emit-rtl.c (try_split): Return last_insn if we split the
3948 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
3950 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
3951 (ix86_initial_elimination_offset): Declare.
3952 * i386.c (ix86_nsaved_regs): Break out from ...
3953 (ix86_can_use_return_insn_p): ... here.
3954 (ix86_emit_save_regs): Break out from ...
3955 (ix86_expand_prologue): ... here.
3956 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
3958 (ix86_expand_epilogue): ... here.
3959 (ix86_compute_frame_size): Make static, add prototype.
3960 (ix86_initial_elimination_offset): Break out from ...
3961 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
3963 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3965 * recog.h (OUT_FCN): Delete.
3967 * vax.md: Call `get_insn_template' instead of OUT_FCN.
3969 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3971 * cppalloc.c: PROTO -> PARAMS.
3972 * cpperror.c: Likewise.
3973 * cppfiles.c: Likewise.
3974 * cpplib.c: Likewise.
3975 * cpplib.h: Likewise.
3977 * config/arm/arm-protos.h: PROTO -> PARAMS.
3978 * config/arm/arm.c: Likewise.
3979 * config/c4x/c4x.c: Likewise.
3980 * config/fr30/fr30-protos.h: Likewise.
3981 * config/nextstep.c: Likewise.
3982 * config/pa/pa.c: Likewise.
3983 * config/pj/pj.c: Likewise.
3984 * config/rs6000/rs6000.c: Likewise.
3985 * config/v850/v850-protos.h: Likewise.
3986 * config/v850/v850.c: Likewise.
3988 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3990 * i370-protos.h: New file.
3992 * i370.c: Include tm_p.h. Fix compile time warnings.
3994 * i370.h: Move prototypes to i370-protos.h. Fix compile time
3997 * i370.md: Likewise.
3999 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4001 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
4002 (target_isinf, target_isnan, eisnan): Mark parameter with
4004 (eiisinf): Wrap in INFINITY.
4005 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
4006 (ibmtoe): Remove unused variable `rndsav'.
4008 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4010 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
4011 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
4013 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
4015 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
4016 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
4017 (fix_char_macro_defines, fix_char_macro_uses): New functions.
4019 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
4020 Recognize Emacs mode markers also.
4021 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
4022 C++ comments in C++ headers. Call is_cxx_header only if
4025 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
4027 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
4028 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
4029 ... these, which use the new C fixes.
4030 (math_exception): Escape literal '+' in bypass expression.
4032 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
4035 2000-01-19 Geoff Keating <geoffk@cygnus.com>
4037 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
4040 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4042 * loop.c (loop_optimize): Allocate loop_info structure for each loop
4043 prior to calling scan_loop.
4045 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4047 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
4048 (split_branches, calc_live_regs): Likewise.
4050 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4052 * sh.md (fpu_single, fp_mode): New attributes.
4054 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4056 * loop.c (current_loop_info): Renamed from loop_info_data
4057 and changed to a pointer.
4058 (loop_optimize): Allocate loop_info structure for each loop
4059 and initialise to zero.
4060 (scan_loop): Set current_loop_info.
4062 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
4065 2000-01-19 Richard Henderson <rth@cygnus.com>
4067 * stupid.c: Die die die.
4068 * Makefile.in (OBJS): Remove stupid.o.
4069 (stupid.o): Likewise.
4071 * except.c (emit_eh_context): Don't emit USEs for stupid.
4072 * explow.c (probe_stack_range): Likewise.
4073 * flags.h (obey_regdecls): Remove.
4074 * flow.c (find_basic_blocks): Don't run try_merge_blocks
4075 when not optimizing.
4076 (life_analysis): Limit data collection when not optimizing.
4077 (mark_regs_live_at_end): Always mark the return value registers.
4078 (mark_used_regs): Remove dummy RETURN case.
4079 (print_rtl_with_bb): Don't consult obey_regdecls.
4080 * function.c (use_variable, use_variable_after): Remove.
4081 (assign_parms): Consult optimize not obey_regdecls.
4082 (expand_function_start): Don't emit USEs for stupid.
4083 (expand_function_end): Likewise.
4084 * global.c (build_insn_chain): Export.
4085 * integrate.c (expand_inline_function): Kill return-value USE
4087 * jump.c (jump_optimize_1): Do simple jump optimizations and
4088 dead code elimination.
4089 (calculate_can_reach_end): Remove check_deleted argument.
4090 (delete_insn): Patch out insns even when not optimizing.
4091 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
4092 * rtl.h (use_variable, use_variable_after): Remove declarations.
4093 (build_insn_chain): Declare.
4094 * stmt.c (expand_value_return): Don't emit USEs for stupid.
4095 (expand_end_bindings): Likewise.
4096 (expand_decl): Likewise. Consult optimize not obey_regdecls.
4097 * toplev.c (obey_regdecls): Remove.
4098 (rest_of_compilation): Don't set it. Kill stupid in favour of
4099 flow1, local-alloc, and reload.
4100 (main): Don't set obey_regdecls.
4102 * config/nextstep.c (handle_pragma): Likewise.
4104 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
4106 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
4108 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4110 * alpha-protos.h: PROTO -> PARAMS.
4111 * alpha.c: Likewise.
4113 * h8300.c: Likewise.
4114 * i386-protos.h: Likewise.
4116 * m32r-protos.h: Likewise.
4119 * mips.md: Likewise.
4120 * gmon-sol2.c: Likewise.
4121 * sparc.c: Likewise.
4123 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4125 * ns32k-protos.h: New file.
4127 * ns32k.c: Fix compile time warnings.
4129 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
4132 * ns32k.md: Likewise.
4134 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4136 * vax-protos.h: New file.
4138 * vax.c: Fix compile time warnings.
4140 * vax.h: Move prototypes to vax-protos.h. Fix compile time
4145 * vaxv.md: Likewise.
4147 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4149 * romp-protos.h: New file.
4151 * romp.c: Fix compile time warnings.
4153 * romp.h: Move prototypes to romp-protos.h. Fix compile time
4156 * romp.md: Likewise.
4158 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4160 * we32k-protos.h: New file.
4162 * we32k.c: Fix compile time warnings.
4164 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
4167 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4169 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
4171 * except.c (eh_regs): Likewise.
4173 * final.c (output_operand): Likewise.
4175 * fold-const.c (target_isinf, target_isnan): Likewise.
4177 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
4179 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
4180 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
4182 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
4184 (clrstrsi): Rewrite.
4185 (strsethi, strsetqi): New expanders.
4186 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
4187 (cmpstrsi): Emit compare insn before cmpstrsi_1
4188 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
4189 (strlensi_1): Likewise.
4190 (cmpstrsi_1): Likewise; do not output compare.
4191 (strlen expander): Do not unroll when optimizing for size.
4192 (*subsi3_carry): Rename to subsi3_carry
4193 (addqi3_cc): New pattern.
4194 * i386.h (processor_costs): Add move_ratio field.
4195 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
4196 * i386.c (*_cost): Set move_ratio.
4197 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
4198 (x86_expand_strlensi_1): Rewrite the main loop.
4200 2000-01-17 Richard Henderson <rth@cygnus.com>
4202 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
4203 * cse.c (find_comparison_args, fold_rtx): Likewise.
4204 * integrate.c (subst_constants): Likewise.
4205 * loop.c (get_condition): Likewise.
4207 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
4209 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
4211 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4213 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
4214 (RESTORE_WARN_FLAGS): Unpack it.
4215 Change semantic type of extension to ttype.
4216 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
4217 * c-parse.y, c-parse.c, objc/objc-parse.y,
4218 objc/objc-parse.c: Regenerate.
4220 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
4222 * fixinc/fixlib.c: Add copyright notice.
4223 (compile_re): New function.
4224 * fixinc/fixlib.h: Prototype compile_re.
4226 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
4227 Use compile_re to compile regular expressions.
4229 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
4230 where the pattern matched.
4232 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
4234 (ultrix_ansi_compat): Likewise.
4235 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
4237 (interactv_add2, interactv_add3): Delete.
4238 (x11_sprintf): Don't use filename glob.
4239 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
4242 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4244 * print-rtl.c: PROTO -> PARAMS.
4246 * reg-stack.c: Likewise.
4247 * resource.c: Likewise.
4248 * sdbout.h: Likewise.
4249 * simplify-rtx.c: Likewise.
4250 * stor-layout.c: Likewise.
4251 * stupid.c: Likewise.
4252 * xcoffout.c: Likewise.
4253 * xcoffout.h: Likewise.
4255 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4257 * toplev.c: PROTO -> PARAMS.
4258 * toplev.h: Likewise.
4261 * unroll.c: Likewise.
4262 * varasm.c: Likewise.
4263 * varray.c: Likewise.
4264 * varray.h: Likewise.
4266 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4268 * reload.c: PROTO -> PARAMS.
4269 * reload.h: Likewise.
4270 * reload1.c: Likewise.
4271 * reorg.c: Likewise.
4272 * resource.h: Likewise.
4275 * rtlanal.c: Likewise.
4276 * sbitmap.h: Likewise.
4277 * sdbout.c: Likewise.
4278 * stack.h: Likewise.
4280 * system.h: Likewise.
4282 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4284 * machmode.h: PROTO -> PARAMS.
4285 * mbchar.h: Likewise.
4286 * mips-tdump.c: Likewise.
4287 * mips-tfile.c: Likewise.
4288 * optabs.c: Likewise.
4289 * output.h: Likewise.
4290 * prefix.c: Likewise.
4291 * profile.c: Likewise.
4292 * protoize.c: Likewise.
4294 * recog.c: Likewise.
4295 * recog.h: Likewise.
4296 * regclass.c: Likewise.
4297 * regmove.c: Likewise.
4300 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4302 * ggc-common.c: PROTO -> PARAMS.
4303 * ggc-page.c: Likewise.
4304 * ggc-simple.c: Likewise.
4306 * global.c: Likewise.
4307 * graph.c: Likewise.
4308 * gthr-win32.h: Likewise.
4309 * haifa-sched.c: Likewise.
4310 * halfpic.h: Likewise.
4311 * integrate.c: Likewise.
4312 * integrate.h: Likewise.
4315 * local-alloc.c: Likewise.
4319 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4321 * genattr.c: PROTO -> PARAMS.
4322 * genattrtab.c: Likewise.
4323 * gencheck.c: Likewise.
4324 * gencodes.c: Likewise.
4325 * genconfig.c: Likewise.
4326 * genemit.c: Likewise.
4327 * genextract.c: Likewise.
4328 * genflags.c: Likewise.
4329 * gengenrtl.c: Likewise.
4330 * genopinit.c: Likewise.
4331 * genoutput.c: Likewise.
4332 * genpeep.c: Likewise.
4333 * genrecog.c: Likewise.
4335 2000-01-16 Mark Mitchell <mark@codesourcery.com>
4337 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
4339 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4341 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
4342 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
4343 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
4344 * configure, config.in: Rebuilt.
4346 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
4348 * config/i386/i386.md: Add peephole to merge successive stack
4351 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
4353 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
4354 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
4355 when walking backwards to find all the parameter loads when
4356 the basic block ends in a call.
4358 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4360 * loop.c (this_loop_info): Delete.
4361 (uid_loop): Add in place of uid_loop_num. All uses updated.
4362 (loop_number_exit_count): Delete and replace with entry in loop
4363 structure. All uses updated.
4364 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
4365 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
4366 (loop_outer_loop): Likewise.
4367 (loop_invalid, loop_number_exit_labels): Likewise.
4368 (loop_used_count_register): Delete and replace with entry in
4369 loop_info structure.
4370 (find_and_verify_loops): Add loops argument.
4371 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
4372 loop_end, etc. arguments with loop structure pointer. All callers
4374 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
4375 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
4376 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
4377 (insert_bct): Likewise.
4378 (basic_induction_var): New argument level.
4379 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
4380 vtop, and cont. Add used_count_register.
4381 (uid_loop): Delete declaration.
4382 (loop_number_exit_count): Likewise.
4383 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
4384 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
4385 (loop_outer_loop, loop_used_count_register): Likewise.
4386 (loop_invalid, loop_number_exit_labels): Likewise.
4387 (unroll_loop): Replace loop_start and loop_end arguments
4388 with loop structure pointer.
4389 (loop_precondition_p, loop_iterations): Likewise.
4390 Include basic-block.h.
4391 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
4392 with loop structure pointer.
4393 (loop_precondition_p, loop_iterations): Likewise.
4394 * basic-block.h (struct loop): New entries vtop, cont,
4395 cont_dominator, start, end, top, scan_start, exit_labels,
4397 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
4399 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4401 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
4403 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
4405 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
4407 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4409 * pdp11-protos.h: New file.
4411 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
4414 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
4417 * pdp11.md: Likewise.
4421 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4423 * mn10300-protos.h: New file.
4425 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
4428 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
4431 * mn10300.md: Likewise.
4433 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4435 * mn10200-protos.h: New file.
4437 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
4440 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
4443 * mn10200.md: Likewise.
4445 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4447 * h8300-protos.h: New file.
4449 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
4452 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
4455 * h8300.md: Likewise.
4457 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4459 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
4460 (asm_emit_uninitialised): Likewise.
4462 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
4464 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
4465 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
4467 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
4469 * config/mips/mips.c (override_options): Don't turn on extra
4470 alignment for mips16.
4472 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
4474 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
4475 eabi, and make sure queued POSTINCREMENT rtl is emitted at
4478 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
4480 * builtins.c (PAD_VARARGS_DOWN): Define.
4481 (std_expand_builtin_va_arg): Use the above macro.
4482 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
4483 * tm.texi (Register Arguments): Document the above macro.
4485 2000-01-14 Nick Clifton <nickc@cygnus.com>
4487 * emit-rtl.c (emit_insn): If checking is enabled, make sure
4488 that this function has not been used to emit a jump
4491 * jump.c (return_jump_1): Cope with being passed a null rtx.
4493 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4495 * eh-common.h: PROTO -> PARAMS.
4496 * emit-rtl.c: Likewise.
4497 * errors.c: Likewise.
4498 * errors.h: Likewise.
4499 * except.c: Likewise.
4500 * except.h: Likewise.
4501 * explow.c: Likewise.
4502 * expmed.c: Likewise.
4505 * final.c: Likewise.
4506 * fix-header.c: Likewise.
4508 * fold-const.c: Likewise.
4509 * function.c: Likewise.
4510 * function.h: Likewise.
4512 * gcov-io.h: Likewise.
4516 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4518 * sh-protos.h: New file.
4520 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
4521 Add static prototypes. Fix compile time warnings.
4523 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
4527 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4529 * arc-protos.h: New file.
4531 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
4534 * arc.h: Move prototypes to arc-protos.h. Fix compile time
4539 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4541 * dsp16xx-protos.h: New file.
4543 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
4546 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
4549 * dsp16xx.md: Likewise.
4551 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4553 * convex-protos.h: New file.
4555 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
4558 * convex.h: Move prototypes to convex-protos.h. Fix compile time
4561 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4563 * elxsi-protos.h: New file.
4565 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
4568 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
4571 * elxsi.md: Likewise.
4573 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
4575 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
4576 case for moving from HI/LO/HI_LO_REG. This makes the behavior
4577 match the comment for MIPS16.
4579 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
4581 * flow.c (split_edge): Do not call set_block_for_insn if we
4582 do not have a basic_block_for_insn structure.
4584 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
4585 and destination functions are 32bit aligned within the trampoline.
4586 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
4587 (TRAMPOLINE_ALIGNMENT): Define.
4589 * cse.c (cse_insn): When changing (set (pc) (reg)) to
4590 (set (pc) (label_ref)), verify the change creates a valid insn.
4592 * fr30.c (call_operand): Tighten and rework to match rules for
4593 call RTL expressions.
4594 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
4595 * fr30.md (call patterns): Improve constraints.
4597 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
4599 * fr30.c (fr30_expand_epilogue): Revert last change.
4600 Use emit_jump_insn for the return insn.
4602 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
4603 Stan Cox <scox@cygnus.com>
4605 * predict.c: New file. Preliminary infrastructure work for static
4606 branch prediction and basic block reordering.
4607 * basic-block.h: Add prototype for estimate_probability.
4608 * Makefile.in: Add rules for predict.o.
4610 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
4612 * fixincludes (va_list): Use __not_va_list__ for the dummy.
4613 * fixinc/*: Likewise.
4615 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4617 * cccp.c: PROTO -> PARAMS.
4619 * collect2.c: Likewise.
4620 * combine.c: Likewise.
4621 * convert.h: Likewise.
4623 * dbxout.c: Likewise.
4624 * dbxout.h: Likewise.
4625 * diagnostic.c: Likewise.
4626 * doprint.c: Likewise.
4627 * dwarf2out.c: Likewise.
4628 * dwarf2out.h: Likewise.
4629 * dwarfout.c: Likewise.
4630 * dwarfout.h: Likewise.
4631 * dyn-string.h: Likewise.
4633 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4635 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
4636 macro conditionals guarding use.
4638 * dwarf2out.c: Include "tm_p.h".
4640 * function.c (locate_and_pad_parm): Mark parameter with
4642 (expand_function_end): Likewise for variable `context'.
4644 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
4646 2000-01-13 Nick Clifton <nickc@cygnus.com>
4648 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
4649 register to prevent compile time warnings.
4651 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
4653 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
4654 to avoid -Wtraditional warning.
4656 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4658 * 1750a-protos.h: New file.
4660 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
4663 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
4666 * 1750a.md: Likewise.
4668 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4670 * a29k-protos.h: New file.
4672 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
4675 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
4678 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4680 * clipper-protos.h: New file.
4682 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
4685 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
4688 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4690 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
4692 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
4694 * configure.in (--enable-new-gxx-abi): New option.
4695 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
4696 * Makefile.in (GXX_ABI_FLAG): New variable.
4697 * configure: Regenerate.
4699 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4701 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
4702 * tm.texi (FORCE_STRUCT_BLK): Document.
4703 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
4705 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
4707 * config/ns32k/ns32k.md: Revert Jan 9 change.
4709 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
4710 to a mode-test, if the predicate is address_operand.
4712 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
4714 * combine.c (if_then_else_cond): Be careful about what kinds
4715 of RTL expressions are passed to operand_subword.
4717 * flow.c (split_edge): If we have to insert a new jump, make
4718 sure to associate it with a basic block.
4720 * flow.c (commit_one_edge_insertion): A block with one successor
4721 can end in a JUMP_INSN that is not a simplejump.
4723 2000-01-12 Robert Lipe <robertl@sco.com>
4725 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
4726 (BUILD_VA_LIST_TYPE): Define.
4727 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
4730 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
4732 * cccp.c (do_pragma): Add cast to (char *).
4734 2000-01-12 Richard Henderson <rth@cygnus.com>
4735 Fred Fish <fnf@be.com>
4736 Jason Merrill <jason@cygnus.com>
4738 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
4739 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
4740 * i386/beos-elf.h, i386/beos-pe.h: New files.
4742 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
4743 * cross-make (SYSTEM_HEADER_DIR): Define using
4744 CROSS_SYSTEM_HEADER_DIR.
4746 * gcc.c (LIBRARY_PATH_ENV): Provide default.
4747 (process_command): Use it.
4748 (main): Likewise. Kill trailing = from env vars.
4749 (build_search_list): Put it back.
4750 * collect2.c (main): Use LIBRARY_PATH_ENV.
4752 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
4753 * toplev.c: Use NEED_DECLARATION_ENVIRON.
4755 * tm.texi (Frame Layout): Document SMALL_STACK.
4756 * c-common.c (c_common_nodes_and_builtins): Check it.
4758 * system.h: Undef alloca after including glibc's <stdlib.h>,
4759 if USE_C_ALLOCA is defined.
4761 * gcc.c (set_input): New fn.
4762 (main): After all input files are compiled, reset the input file
4765 * aclocal.m4 (rindex, index): If already defined, don't attempt
4768 * ginclude/varargs.h: (__va_list__): Define ifndef.
4769 * ginclude/stdarg.h: Likewise.
4771 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
4772 instead of unsigned char.
4774 * hash.h (true, false, boolean): Undef before enum.
4776 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
4777 proper type of "HOST_WIDE_INT *", rather than their natural type of
4778 "unsigned HOST_WIDE_INT *".
4780 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4782 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
4784 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
4786 * regclass.c (choose_hard_reg_mode): Likewise.
4788 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
4790 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
4792 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4794 * c-common.c: PROTO -> PARAMS.
4795 * c-common.h: Likewise.
4796 * c-decl.c: Likewise.
4797 * c-iterate.c: Likewise.
4798 * c-lang.c: Likewise.
4799 * c-lex.c: Likewise.
4800 * c-lex.h: Likewise.
4801 * c-parse.in: Likewise.
4802 * c-pragma.c: Likewise.
4803 * c-pragma.h: Likewise.
4804 * c-tree.h: Likewise.
4805 * c-typeck.c: Likewise.
4806 * objc/objc-act.c: Likewise.
4807 * objc/objc-act.h: Likewise.
4809 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4811 * m88k-protos.h: New file.
4813 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
4816 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
4818 * m88k.md: Likewise.
4820 * tekXD88.h: Likewise.
4822 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4824 * m68k-protos.h: New file.
4826 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
4829 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
4831 * mot3300.h: Likewise.
4833 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
4835 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
4837 (extract_bitlist): Declare bitlen.
4839 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
4841 * cccp.c: Accept and ignore -lang-fortran.
4843 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
4844 qualifiers don't match at any level of pointerness.
4846 2000-01-12 Robert Lipe <robertl@sco.com>
4848 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
4850 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
4852 * reload1.c (reload_reg_unavailable): New static variable.
4853 (reload_reg_free_p): Test it.
4854 (reload_reg_free_for_value_p): Test it instead of
4856 (choose_reload_regs_init): Compute it.
4858 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
4860 * reorg.c (fill_slots_from_thread): Check modified_in_p
4863 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
4865 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
4866 these nodes even if INTERNALS is not set.
4868 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
4870 * gcse.c (delete_null_pointer_checks_1): Cope when
4871 get_condition cannot determine the condition.
4873 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
4875 * toplev.h (set_message_length): Declare.
4877 * diagnostic.c (obstack_chunk_alloc): Define macro.
4878 (obstack_chunk_free): Likewise.
4879 (struct output_buffer): New data structure.
4881 (output_maximum_width): New variable.
4882 (doing_line_wrapping, set_message_length, init_output_buffer,
4883 get_output_prefix, output_space_left, emit_output_prefix,
4884 output_newline, output_append, output_puts, dump_output,
4885 vbuild_message_string, build_message_string, build_location_prefix,
4886 voutput_notice, output_printf, line_wrapper_printf,
4887 vline_wrapper_message_with_location): New functions. Implement
4888 automatic line wrapping.
4889 (v_message_with_decl): Make it handle automatic line wrapping.
4890 (v_error_with_file_and_line): Likewise.
4891 (v_warning_with_file_and_line): Likewise.
4892 (announce_function): Likewise.
4893 (default_print_error_function): Likewise.
4895 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
4897 * cpplib.h (struct cpp_options): Change lang_asm to char.
4899 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
4900 done in cpp_handle_option now.
4901 (initialize_builtins): Take out special case code used only by
4903 (cpp_handle_option): Turn off trigraphs and trigraph warnings
4904 if -traditional. Recognize -lang-fortran and set
4905 lang_fortran, also turn off cplusplus_comments.
4906 (print_help): Document -lang-fortran.
4907 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
4908 lang_asm. Ignore all directives other than `# 123 "file"' if
4910 (cpp_get_token): If -traditional, don't recognize directives
4911 unless the # is in column 1.
4912 (parse_string): If lang_fortran or lang_asm, silently
4913 terminate strings ('' or "") at end of line.
4914 Remove unnecessary braces.
4916 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4917 Richard Henderson <rth@cygnus.com>
4919 * resource.c (mark_referenced_resources): Mark a set strict_low_part
4921 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
4922 strict_low_part when possible.
4924 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4926 * alias.c: PROTO -> PARAMS.
4927 * basic-block.h: Likewise.
4928 * bitmap.c: Likewise.
4929 * bitmap.h: Likewise.
4930 * builtins.c: Likewise.
4931 * c-aux-info.c: Likewise.
4932 * caller-save.c: Likewise.
4933 * calls.c: Likewise.
4935 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4937 * Makefile.in (toplev.o): Depend on regs.h.
4939 * output.h (tdesc_section): Prototype.
4941 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
4943 * sdbout.c: Include "tm_p.h".
4945 * toplev.c: Include "regs.h".
4947 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
4949 * unroll.c (unroll_loop): Add EH support.
4951 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4953 * pa-protos.h: New file.
4955 * pa.c: Include recog.h and tm_p.h.
4956 (compute_zdepwi_operands, compute_movstrsi_length,
4957 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
4958 find_addr_reg, import_milli): Add static prototypes.
4959 (pa_cpu_string, pa_arch_string): Constify a char*.
4960 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
4961 (read_only_operand): Add argument `mode'.
4962 (singlemove_string, output_move_double, output_fp_move_double,
4963 output_block_move, output_and, output_ior, output_ascii,
4964 remove_useless_addtr_insns, milli_names, output_mul_insn,
4965 output_div_insn, output_mod_insn, output_arg_descriptor,
4966 output_cbranch, output_bb, output_bvb, output_dbra, ,
4967 output_millicode_call, output_call, hppa_encode_label,
4968 output_parallel_movb, output_parallel_addb): Constify a char*.
4969 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
4970 (output_parallel_addb): Remove extra arg to `constrain_operands'
4972 * pa.h: Move all prototypes to pa-protos.h.
4973 (pa_cpu_string, pa_arch_string): Constify a char*.
4974 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
4976 * pa.md: Call `function_label_operand' with mode argument.
4977 Likewise for `read_only_operand'.
4978 Fix nesting of parens in call to `symbolic_operand'.
4980 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4982 * i860-protos.h: New file.
4984 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
4987 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
4989 * i860.md: Likewise.
4991 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
4993 * i386.md (movstrsi expander): Rewrite.
4994 (movstrsi_1 insn): Deleted.
4995 (strmovhi, strmovqi expander): New expanders.
4996 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
4997 * i386.c (x86_single_stringop): New global variable.
4998 * i386.h (x86_single_stringop): Declare.
4999 (TARGET_SINGLE_STRINGOP): New macro.
5001 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
5003 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
5004 integer vararg POSTINCREMENT before the destination of the jump
5005 for the hard fp case.
5006 (function_arg_pass_by_reference): Pass a copy of CUM to
5009 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
5010 for CONSTANT_ADDRESS_P above while loop for subreg.
5012 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
5014 * flow.c (propagate_block): When a prologue/epilogue insn
5015 is marked dead, unconditionally clear libcall_is_dead and
5016 insn_is_dead, and only dump rtl if warnings aren't being
5019 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
5021 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
5022 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
5023 (FIXED_REGISTERS): Set dirflag as fixed.
5024 (CALL_USED_REGISTERS): Set dirflag as used.
5025 (REG_ALLOC_ORDER): Set dirflag as last one.
5026 (DIRFLAG_REG): New macro.
5027 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
5028 (HI_REGISTER_NAMES): Add dirflag.
5029 (DEBUF_PRINT_REG): Handle dirflag.
5030 * i386.md (type attribute): New cld and str types.
5031 (length_opcode attribute): Set cld and str to 1.
5032 (memory attribute): Set str to unknown - it is not clear from the
5034 (pent_np function unit): Prefixed string operations takes 12 cycles
5035 minimally; cld takes 2 cycles.
5036 (ppro_uops attribute): Str is "many" and cld is "few".
5037 (ppro_p0 unit): Handle cld here.
5038 (k6_alux unit): Handle cld and str types.
5039 (k6_load unit): It is ocupied by str opcodes.
5040 (k6_store unit): It is ocupied by str opcodes.
5041 (athlon_decode): Str is vector decoded.
5042 (athlon_ieu): Handle str and cld.
5044 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
5045 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
5046 cmpstrsi_nz_1 insn): Do not output cld instruction
5048 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
5050 * gcc.texi (G++ and GCC): Add Java and Chill.
5051 (Bug Critera): Don't list languages.
5053 * gcc.texi (Incompatibilities): No longer claim most C compilers
5056 * gcc.texi (G++ and GCC): Update other front-ends list.
5058 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
5060 * i386.c (ix86_expand_setcc): Fix typo.
5061 (ix86_expand_movcc): Similarly.
5063 * Band-aid until haifa's bitset implementation is nuked.
5064 * haifa-sched.c (extract_bitlst): New parameter for size of the
5065 bitset in bits. All callers changed. Avoid looking at undefined
5067 (edgeset_bitsize): New variable.
5068 (schedule_region): Initialize edgeset_bitsize.
5070 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5072 * Makefile.in (optabs.o): Depend on real.h
5073 (resource.o): Depend on insn-attr.h
5075 * builtins.c (result_vector): Wrap prototype in macro conditions
5076 governing definition and use.
5078 * c-common.c: Include tm_p.h.
5080 * c-lex.c: Likewise.
5082 * elfos.h: Constify a char*.
5084 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
5085 (get_attr_length, shorten_branches, profile_after_prologue): Mark
5086 parameter with ATTRIBUTE_UNUSED.
5088 * fold-const.c (exact_real_inverse): Wrap variable `i' in
5091 * haifa-sched.c (schedule_insns): Mark parameter with
5094 * optabs.c: Include real.h.
5096 * real.h (ereal_atof): Add prototype arguments.
5098 * resource.c: Include insn-attr.h.
5100 * sdbout.c (sdbout_queue_anonymous_type,
5101 sdbout_dequeue_anonymous_types): Wrap in macro
5102 SDB_ALLOW_FORWARD_REFERENCES.
5103 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
5106 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
5108 * stupid.c: Include tm_p.h.
5110 * tree.c (real_value_from_int_cst): Mark parameter with
5113 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5115 * i960-protos.h: New file.
5117 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
5120 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
5122 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5124 * combine.c (expand_field_assignment): Do not discard SUBREGs
5125 while computing nonzero_bits.
5127 2000-01-09 Nick Clifton <nickc@cygnus.com>
5129 * config/arm/arm.c: Fix compile time warnings about signed vs
5131 * config/arm/arm.h: Fix compile time warnings about signed vs
5134 2000-01-09 Philip Blundell <philb@gnu.org>
5136 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
5137 than `ldm' with only one register.
5138 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
5141 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
5144 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
5146 * config/ns32k/ns32k.md (load or push effective address): Operand 1
5149 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5151 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
5152 assignment used as truth value.
5154 * function.c (assign_temp): Mark parameter `dont_promote' with
5155 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
5156 PROMOTE_FOR_CALL_ONLY.
5158 * genrecog.c (write_subroutine): Mark variable `operands' with
5161 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
5164 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
5165 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
5167 * toplev.c (note_deferral_of_defined_inline_function): Likewise
5170 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5172 * config/c4x.h: Tidy up comments.
5173 * config/c4x.c: Likewise.
5175 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
5177 * fold-const.c (lshift_double, rshift_double): Handle
5178 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
5180 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5182 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
5183 in prepare_function_start().
5185 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
5187 * config/v850/v850.c (expand_epilogue): Interrupt functions no
5188 longer allocate extra stack for function calls.
5190 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5192 * config/c4x/c4x.md (*subqf3_set): Fix typo.
5194 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5196 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
5198 2000-01-07 David Edelsohn <edelsohn@gnu.org>
5200 * rs6000.c (processor_target_table): Add power3 as alias for 630.
5201 * aix43.h: Revert Aug 2 change.
5202 (HAS_INIT_SECTION): Define, not visible yet.
5203 (LD_INIT_SWITCH): Define, not visible yet.
5204 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
5206 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
5208 * collect2.c (main): Expand ld2 size further.
5209 (export_object_lst): Cast assignment to avoid warning.
5210 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
5211 (scan_prog_file, COFF): Do not collect initialization or
5212 finalization functions generated for entire shared object if
5213 init/fini support present.
5215 2000-01-07 Nick Clifton <nickc@cygnus.com>
5217 * config/elfos.h: Tidy up formatting of marcos. Make sure
5218 that .section directives are always prefixed by a tab.
5220 * config/svr4.h: Add #include "elfos.h" and remove duplicate
5223 2000-01-07 Matt Austern <austern@sgi.com>
5225 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
5228 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
5230 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
5232 (crtbegin.o, s-crtS): Likewise.
5234 2000-01-06 Richard Henderson <rth@cygnus.com>
5236 * alpha.md (adddi_2+1): Limit offset such that it will be
5237 loadable with a single ldah+lda pair.
5238 (adddi_2+2): Explicitly fail split if we can't make it work.
5240 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
5242 * protoize.c: Conditionally include unistd.h.
5243 (IS_SAME_PATH_CHAR): New macro.
5244 (IS_SAME_PATH): New macro.
5245 (CPLUS_FILE_SUFFIX): New macro.
5246 (cplus_suffix): New static variable.
5247 (is_abspath): New static function.
5248 (in_system_include_dir): Handle DOS style pathnames.
5249 (file_could_be_converted): Likewise.
5250 (file_normally_convertible): Likewise.
5251 (directory_specified_p): Likewise.
5252 (file_excluded_p): Likewise.
5253 (abspath): Likewise.
5254 (shortpath): Likewise.
5255 (referenced_file_is_newer): Likewise.
5256 (save_def_or_dec): Likewise.
5257 (do_processing): Likewise.
5259 (edit_file): Likewise. Use rename instead of link.
5260 (rename_c_file): Likewise. Don't rename syscalls file.
5261 (munge_compile_params): Define null device for DOS based systems.
5262 (process_aux_info_file): Use binary mode if appliable.
5263 (edit_file): Likewise.
5264 * invoke.texi (Running Protoize): Document C++ suffixes used.
5266 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
5267 IS_DIR_SEPARATOR macros.
5268 * collect2.c: Likewise.
5269 * cppinit.c: Likewise.
5270 * dwarf2out.c: Likewise.
5273 * prefix.c: Likewise.
5275 * toplev.c: Likewise.
5276 * system.h: And move to here.
5278 * prefix.c (update_path): Fix typo in variable name.
5280 2000-01-06 Richard Henderson <rth@cygnus.com>
5282 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
5283 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
5284 (count_reg_sets_1, count_reg_references): Likewise.
5285 (flow_loops_level_compute): Start counting actual loop depth at 1.
5286 (flow_loops_find): Likewise.
5287 * local-alloc.c (update_equiv_regs): Likewise.
5288 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
5290 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
5292 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
5293 FIRST_PSEUDO_REGISTER
5294 * dwarf2out.c: Don't include frame.h
5295 * dwarfout.c: Likewise
5296 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
5299 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
5301 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
5304 * i386.c (movsf splitter): Fix typo in my last checkin.
5306 2000-01-05 Nick Clifton <nickc@cygnus.com>
5308 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
5309 own definition of this macro.
5310 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
5311 flag_data_sections or UNIQUE_SECTION_P are true.
5313 * tm.texi (UNIQUE_SECTION): Document that it can be called for
5314 unitialised data decls.
5316 * config/i386/winnt.c (i386_pe_unique_section): Cope with
5317 being called for uninitialised data.
5319 * config/i386/interix.c (i386_pe_unique_section): Cope with
5320 being called for uninitialised data.
5322 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
5323 for uninitialised data.
5325 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
5326 for uninitialised data.
5328 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
5329 for uninitialised data.
5331 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
5332 (UNIQUE_SECTION_P): Always generate a unique section if
5333 flag_data_sections is true.
5334 (UNIQUE_SECTION): Also generate unique sections for
5336 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
5337 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
5340 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5342 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
5345 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5347 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
5348 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
5349 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
5350 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
5351 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
5353 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
5355 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
5357 * c-decl.c (finish_enum): Simplify code to determine minimum and
5358 maximum values of the enum, and calculate the type. Remove check
5359 for FUNCTION_DECLs in the values list, which cannot happen. Replace
5360 the DECL_INITIAL of each enumeration constant with a copy converted
5361 to the enumeration type. When updating variant types, don't bother
5362 updating the type itself.
5364 * c-typeck.c (build_binary_op): Simplify conditional expressions
5365 when weeding out spurious signed-unsigned warnings. Add new
5366 spurious warning category: if the unsigned quantity is an enum
5367 and its maximum value fits in signed_type(result_type). Update
5369 (build_conditional_expr): Warn here if one alternative is signed
5370 and the other is unsigned.
5372 2000-01-05 Nick Clifton <nickc@cygnus.com>
5374 * config/fr30/fr30.h: Remove extraneous comments.
5376 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
5378 * reload1.c (choose_reload_regs): When disabling a reload, also
5379 set reload_spill_index to -1.
5381 2000-01-04 Joel Sherrill (joel@OARcorp.com>
5383 * configure.in (m68*-*-rtemscoff*): New target, formal name for
5385 (m68*-*-rtemself*): New target.
5386 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
5387 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
5388 (sparc*-*-rtemself*): New target.
5389 (sparc*-*-rtems*): Now elf not a.out.
5390 * config/i386/rtems.h: Include config/rtems.h.
5391 * config/i386/rtemself.h: Include config/rtems.h.
5392 * config/i960/rtems.h: Include config/rtems.h.
5393 * config/m68k/rtems.h: Include config/rtems.h.
5394 * config/m68k/rtemself.h: Include config/rtems.h.
5395 * config/mips/rtems64.h: Include config/rtems.h.
5396 * config/pa/rtems.h: Include config/rtems.h.
5397 * config/rs6000/rtems.h: Include config/rtems.h.
5398 * config/sh/rtems.h: Include config/rtems.h.
5399 * config/sh/rtemself.h: Include config/rtems.h.
5400 * config/sparc/rtems.h: Include config/rtems.h.
5401 * config/sparc/rtemself.h: Include config/rtems.h
5403 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
5405 * final.c (shorten_branches): Correctly compute length of
5406 asms without operands.
5408 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
5410 * configure.in: Add pj target.
5411 * configure: Regenerate.
5412 * config/pj: New directory.
5413 * config/pj/lib1funcs.S: New file.
5414 * config/pj/linux.h: New file.
5415 * config/pj/pj.c: New file.
5416 * config/pj/pj.md: New file.
5417 * config/pj/pjl.h: New file.
5418 * config/pj/t-pj: New file.
5419 * config/pj/xm-pj.h: New file
5421 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
5423 * toplev.c (rest_of_compilation): Run shorten-branches before
5426 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5428 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
5429 macros so that they're consistent with their names.
5430 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
5431 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
5433 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5435 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
5436 modified inadvertently.
5438 2000-01-04 Joel Sherrill <joel@OARcorp.com>
5440 * configure.in (v850*-*-rtems*): New target.
5441 * configure: Regenerate.
5442 * config/v850/rtems.h: New file.
5444 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
5446 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
5447 (__gthread_key_create): Likewise.
5448 (__gthread_key_dtor): Likewise.
5449 (__gthread_once): Fix logic.
5450 (__gthread_key_delete): Cast away constness.
5452 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
5453 * invoke.texi: Document.
5454 * i386/mingw32.h (CPP_SPEC): Use.
5455 (LIBGCC_SPEC): Likewise.
5456 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
5458 2000-01-04 David Edelsohn <edelsohn@gnu.org>
5460 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
5461 (HANDLE_PRAGMA_PACK): Undefine.
5462 (SLOW_UNALIGNED_ACCESS): Define.
5464 2000-01-04 David Edelsohn <edelsohn@gnu.org>
5466 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
5467 to default definition.
5468 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
5469 (store_fixed_bit_field): Call macro with word_mode and alignment.
5470 (extract_bit_field): Call macro with relevant mode and alignment.
5471 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
5472 to default definition.
5473 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
5475 (move_by_pieces_ninsns): Likewise.
5476 (clear_by_pieces): Likewise.
5477 (emit_push_insn): Likewise.
5478 (store_field): Call macro with relevant mode and alignment.
5479 (expand_expr): Likewise.
5480 (expand_expr_unaligned): Likewise.
5482 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
5483 (SLOW_UNALIGNED_ACCESS): Define.
5484 (CASE_VECTOR_MODE): Always use 32-bit offsets.
5485 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
5486 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
5487 (toc_section): Likewise and .toc pseudo-op.
5488 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
5490 (TEXT_SECTION_ASM_OP): Likewise.
5491 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
5494 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
5495 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
5496 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
5497 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
5498 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
5500 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
5502 * regclass.c: Revert my Jan 4 change to loop cost computation.
5504 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
5506 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
5509 2000-01-04 Stan Cox <scox@cygnus.com>
5511 * haifa-sched.c (build_control_flow): Change unreachable simple
5512 loop test to check if current block has only one predecessor.
5513 (find_rgns): Initialize degree. Use dest as degree index, not src.
5515 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5517 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
5519 * calls.c (expand_call): Likewise for
5520 `old_stack_arg_under_construction'.
5522 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
5524 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
5527 * gcc.c (execute): Likewise for `ut' and `st'.
5529 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
5531 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
5533 * jump.c (jump_optimize_1): Likewise for `temp2'.
5535 * local-alloc.c (block_alloc): Likewise for `r1'.
5537 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
5539 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
5540 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
5542 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
5545 * reload.c (find_reloads): Likewise for `goal_alternative_number'
5546 and `goal_earlyclobber'.
5548 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
5550 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
5552 * stupid.c (stupid_life_analysis): Likewise for `chain'.
5554 * unroll.c (copy_loop_body): Likewise for `copy'.
5556 * varasm.c (output_constructor): Likewise for `byte'.
5558 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
5560 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
5561 all FP constants for constant->reg moves.
5562 (ix86_split_to_parts): Try to convert memory address into immediate
5563 when available in the constant pool.
5564 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
5566 (LEGITIMATE_CONSTANT_P): Return 1.
5567 * i386.md (pushsf): New splitter to convert constant pool memory
5568 reference to immediate.
5569 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
5572 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
5574 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
5575 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
5576 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
5577 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
5578 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
5580 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
5582 * ginclude/stdbool.h: Support compilation as C++.
5584 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5586 * fold-const.c (make_range): Don't try to reverse an unbounded range.
5588 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
5590 * regclass.c (regclass): Properly compute loop_cost. Adjust
5593 * regclass.c: Fix minor whitespace problems.
5595 2000-01-03 Anthony Green <green@cygnus.com>
5597 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
5598 Restore the pic register if required.
5600 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
5602 * c-common.c (format_char_info): Update comment.
5603 (check_format_info): Recognize 'z' modifier in the same way 'Z'
5604 was recognized. Emit warning for formats new in ISO C99 only
5605 if flag_isoc9x is not set.
5607 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
5609 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
5611 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
5613 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
5614 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
5615 (make_compound_operation): Choose cheaper alternative between
5616 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
5618 * regclass.c (op_costs): Remove global variable.
5619 (record_reg_classes): New parameter "op_costs" and "reg_pref".
5620 (record_operand_costs): Break out from ...
5621 (scan_one_insn): ... here.
5622 (dump_regclass): Make dumps nicer.
5623 (regclass): Dump preferrences choosed and changes done during passes.
5625 2000-01-03 Jakub Jelinek <jakub@redhat.com>
5627 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
5629 2000-01-03 Jakub Jelinek <jakub@redhat.com>
5631 * config/sparc/sparc.c (gen_df_reg): New function.
5632 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
5633 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
5634 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
5635 movtf_cc_reg_sp64+1): Use it.
5637 2000-01-02 Mark Mitchell <mark@codesourcery.com>
5639 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
5642 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
5644 * config/i386/i386.c (ix86_expand_unary_operator): Function
5645 definition made void.
5646 (ix86_expand_binary_operator): Update outdated preceding comment.
5647 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
5650 * config/i386/i386.c (override_options): Fix option-name typo.
5652 2000-01-02 Mark Mitchell <mark@codesourcery.com>
5654 * system.h (CEIL): Define.
5655 * builtins.c (CEIL): Remove.
5656 * expmed.c (CEIL): Likewise.
5657 * expr.c (CEIL): Likewise.
5658 * stor-layout.c (CEIL): Likewise.
5660 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5662 * expr.c (store_constructor_field): Fix typo introduced with last
5665 2000-01-01 Mark Mitchell <mark@codesourcery.com>
5667 * tree.h (BINFO_N_BASETYPES): New macro.
5669 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
5671 * expmed.c (emit_store_flag): Prevent losing a pending stack
5672 adjust the same way we prevent losing queued increments.
5674 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5676 * function.c (update_temp_slot_address): Handle case where sum of
5677 temporary address plus offset in register is a valid address.
5679 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5681 * genrecog.c (change_state) Corrected typo.
5683 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5685 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
5686 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
5687 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
5689 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
5691 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
5692 case, expand GT comparisons correctly. Fix a comment before this
5695 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
5697 * dwarfout.c: Include "frame.h"
5698 * dwarf2out.c: Likewise.
5699 * Makefile.in (dwarfout.o): Depend on frame.h
5700 (dwarf2out.o): Likewise.
5702 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
5704 Restore i386 binary compatibility in Dwarf EH info.
5705 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
5706 value of FIRST_PSEUDO_REGISTER.
5707 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
5708 (struct frame_state): Use DWARF_FRAME_REGISTERS.
5709 * dwarfout.c (output_reg_number): Ditto.
5710 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
5711 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
5713 1999-12-29 Bruce Korb <autogen@linuxbox.com>
5715 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
5716 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
5717 (<hack>_RE_CT): not needed
5718 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
5719 rewritten to scan the file text once only
5720 "template<..." test added
5721 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
5722 (is_cxx_header): declaration added
5723 * fixinc/fixtests.c(is_cxx_header): removed
5724 (apply_fix_p_t): removed
5725 (double_slash_test): is_cxx_header is only called once now
5726 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
5727 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
5728 within the templates.
5729 The borken spelling of "broken" was fixed.
5730 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
5731 The default level depends on FIXINC_DEBUG.
5733 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5735 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
5736 Otherwise provide a declaration for atexit.
5737 (init_dummy): Make sure dummy call to atexit is nevertheless
5738 called with correct number of args.
5740 * frame.c: Update comments referring to other files.
5742 * libgcc2.c: Likewise.
5744 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5746 * cse.c (free_element, get_element): Remove unused prototypes.
5748 * fold-const.c (extract_muldiv): Initialize variables `op0' and
5751 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
5754 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
5756 * configure.in,configure: case arm for mn10200-*-* now sets
5757 float_format=i32 so that float.h will correctly claim "double"
5758 to be 32 bits. Ran autoconf to generate configure from .in file.
5760 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
5762 * pa.md (conditional zero): If op1 is a register, force it into
5763 the same register as op0.
5765 1999-12-28 Mark Mitchell <mark@codesourcery.com>
5767 * tree.h (BINFO_BASETYPES): Improve documentation.
5769 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5771 * configure.in (--enable-checking): Use a more portable `for'
5774 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5776 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
5777 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
5779 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
5782 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
5783 Delete descriptions.
5785 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
5786 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
5787 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
5788 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
5789 xm-svr4.h: Remove all instances of sys_siglist handling.
5791 1999-12-27 Jakub Jelinek <jakub@redhat.com>
5793 * config/sparc/sparc.md (cmp_zero_qi,
5794 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
5795 cmp_zero_extendqidi2_andcc_set): New patterns.
5797 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
5799 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
5800 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
5801 (fpgnulib.c, xfgnulib.c): Add rules.
5802 * m68k/t-mot3300-gas: Likewise.
5804 1999-12-27 Ian Lance Taylor <ian@zembu.com>
5806 * configure.in: Avoid [[ by using test and changequote. Add
5807 changequote required by 1999-12-14 change.
5808 * configure: Rebuild.
5810 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
5812 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
5814 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
5816 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
5817 * flow.c (find_use_as_address): Likewise.
5818 * function.c (fixup_var_refs_1): Likewise.
5819 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
5820 * jump.c (invert_exp, redirect_exp): Likewise.
5821 * loop.c (replace_call_address): Likewise.
5822 (count_nonfixed_reads): Likewise.
5823 * rtlanal.c (modified_between_p): Likewise.
5824 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
5825 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
5826 * unroll.c (remap_split_bivs): Likewise.
5828 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5830 * diagnostic.c (v_message_with_decl): Use .* format specifier
5831 instead of building the format specifier width manually.
5833 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
5834 determining whether to provide a prototype. Remove the
5835 sys_siglist clause in the conditional.
5837 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5839 * fold-const.c (operand_equal_p): Use memcmp to compare string
5841 Suggested by D. J. Bernstein
5843 1999-12-17 Jakub Jelinek <jakub@redhat.com>
5845 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
5846 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
5848 * config/mips/mips.h (TARGET_64BIT): Likewise.
5849 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
5850 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
5851 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
5852 dsps. Give routines proper names if SI/DI modes are not used.
5853 * longlong.h: Use DWunion instead of DIunion.
5855 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
5857 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
5858 GC_CHECKING, GC_ALWAYS_COLLECT.
5859 * configure.in: Allow --enable-checking with an argument
5860 listing check modes to enable.
5861 * config.in, configure: Rebuilt.
5862 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
5863 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
5864 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
5865 ENABLE_GC_ALWAYS_COLLECT.
5866 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
5868 * tree.h, tree.c: Change ENABLE_CHECKING to
5869 ENABLE_TREE_CHECKING throughout.
5871 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5873 * fold-const.c (fold_truthop): Properly check for FP RHS.
5875 1999-12-24 Mark Mitchell <mark@codesourcery.com>
5877 * toplev.h (note_deferall_of_defined_inline_function): Declare.
5878 * toplev.c (note_deferral_of_defined_inline_function): New
5879 function, split out from ...
5880 (rest_of_compilation): ... here. Use it.
5882 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5884 * expr.c (store_constructor): Don't call clear_storage if size is
5887 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5889 * Makefile.in (toplev.o): Depend on loop.h.
5891 * dwarfout.c: Include tm_p.h.
5893 * emit-rtl.c (restore_emit_status): Mark parameter with
5896 * final.c (final_scan_insn): Likewise.
5898 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
5899 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
5900 flow_depth_first_order_compute, flow_loop_pre_header_find,
5901 flow_loop_tree_node_add, flow_loops_tree_build,
5902 flow_loop_level_compute, flow_loops_level_compute,
5903 flow_loop_outside_edge_p): Add prototypes.
5904 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
5906 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
5907 Mark with ATTRIBUTE_NORETURN.
5909 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
5911 * local-alloc.c (no_conflict_p): Likewise.
5913 * loop.c (insert_bct): Hide definitions of variables with hidden
5915 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
5917 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
5918 with ATTRIBUTE_UNUSED.
5919 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
5920 (reg_scan): Likewise.
5922 * reload.c (find_reloads): Remove unused variables `changed'.
5924 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
5926 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
5927 Remove unused variable `insn'.
5929 * toplev.c: Include loop.h.
5930 (report_file_and_line): Remove unnecessary prototype.
5932 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
5934 * unroll.c (biv_total_increment): Likewise.
5936 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5938 * reload1.c (emit_input_reload_insns): Restore old behaviour
5939 wrt. 'special' reloads.
5941 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
5943 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
5944 hash.h. (cse.c): Don't depend on hashtab.h.
5946 * cse.c: Don't include hashtab.h.
5947 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
5949 * ggc-simple.c: Don't include hash.h.
5951 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
5953 * dwarf2out.c (add_abstract_origin_attribute): Call
5954 gen_abstract_function on our function context.
5956 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
5958 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
5960 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5962 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
5965 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5967 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
5968 constraints to "a!r".
5970 1999-12-21 Mark Mitchell <mark@codesourcery.com>
5972 * Makefile.in (calls.o): Depend on function.h.
5973 (alias.o): Likewise.
5975 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
5977 * reload1.c (emit_reload_insns): Break out code and variables into...
5978 (input_reload_insns, other_input_address_reload_insns,
5979 other_input_reload_insns, input_address_reload_insns,
5980 inpaddr_address_reload_insns, output_reload_insns,
5981 output_address_reload_insns, outaddr_address_reload_insns,
5982 operand_reload_insns, other_operand_reload_insns,
5983 other_output_reload_insns): ... new static variables, and...
5984 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
5985 do_output_reload): ... new functions.
5987 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5989 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
5991 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5993 * md.texi: Add c4x constraints documentation.
5995 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5997 * config/i386/dgux.c (struct option): Rename to
5998 lang_independent_option.
5999 (struct m_options): Add description field.
6000 (output_options): Rename option type, add sep declaration, output
6001 ix86_cpu_string and ix86_arch_string only if set.
6002 (output_file_start): Rename option type.
6004 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
6006 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
6008 (libgcc2.a): Similarly.
6010 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
6012 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
6013 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
6014 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
6016 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
6018 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
6019 Remove redundant initialization of "frexpon" and "expon".
6021 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6023 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
6025 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
6026 (store_constructor_field, expand_expr): Pass new arg.
6028 1999-12-20 Mark Mitchell <mark@codesourcery.com>
6030 * Makefile.in (explow.o): Depend on function.h.
6032 * stor-layout.c (set_sizetype): Fix typo.
6034 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
6036 * function.c (cfun): Renamed from current_function. All users
6038 * function.h (cfun): Rename declaration as well.
6040 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
6041 to be of type regset_head, not regset. All users changed by adding
6043 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
6045 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6047 * config/c4x/rtems.h: New file.
6049 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
6051 * reload1.c (spill_failure): Take class of failed reload as argument
6052 and print it. Caller changed.
6054 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6056 * rs6000.h (SUBTARGET_DEFAULT): New macro.
6057 (TARGET_SWITCHES): Allow subtargets to default switches.
6058 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
6060 1999-12-18 Mark Mitchell <mark@codesourcery.com>
6062 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
6065 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
6067 * cccp.c (main): Define __STDC_VERSION__ as necessary.
6068 * cppinit.c (cpp_handle_option): Likewise.
6070 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
6071 determine when to define.
6073 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
6075 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
6076 cmove with mismatched test and data modes.
6078 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
6080 * c-typeck.c (c_expand_start_case): Don't warn for long switch
6083 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6085 * alias.c: Minor reformatting.
6088 * stor-layout.c: Likewise.
6089 * fold-const.c: Likewise.
6090 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
6091 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
6093 (size_int_wide): Cache nodes even if garbage collecting.
6094 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
6095 of SAVE_EXPR has no side effects.
6096 * cse.c: Move a comment.
6097 * tree.c: Minor reformatting.
6098 (int_size_in_bytes): Return -1 if constant overflows.
6100 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6102 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
6104 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
6106 * objc/objc-parse.c: Regenerate. This file must be rebuilt
6107 after any change to c-parse.in, even if objc-parse.y didn't
6110 1999-12-18 David S. Miller <davem@redhat.com>
6112 * toplev.c (rest_of_compilation): Restore BLOCK tree
6113 reconstruction and branch shortening changes lost in
6114 December 18th change.
6116 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
6118 * config/arm/linux-elf.h: Change all instances of
6119 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
6120 * config/arm/uclinux-elf.h: Likewise.
6122 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
6124 * toplev.c (notice, vmessage, v_message_with_file_and_line,
6125 v_message_with_decl, file_and_line_for_asm,
6126 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
6127 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
6128 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
6129 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
6130 pfatal_with_name, fatal_io_error, need_error_newline,
6131 last_error_function, last_error_tick, announce_function,
6132 default_print_error_function, print_error_function,
6133 report_error_function, fnotice, error_with_file_and_line,
6134 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
6135 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
6136 warning_with_decl, warning_for_asm, warning, pedwarn,
6137 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
6139 (compile_file): Use fnotice instead of notice. Adjust call.
6141 * diagnostic.c: New file.
6143 * Makefile.in (OBJS): Include diagnostic.o
6144 (diagnostic.o): Define dependence.
6146 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6148 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
6151 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6153 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
6155 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
6157 * fixtests.c (is_cxx_header): New fn, split out of
6159 (else_endif_label): Allow "#endif // comment" in C++ headers,
6160 as determined by is_cxx_header.
6161 * fixfixes.c (else_endif_label_fix): Update comment.
6162 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
6164 * genfixes: Correct double thinko in commandline parsing.
6165 * hackshell.tpl: Generate correct sh syntax for bypass
6168 * inclhack.def (all): Whenever an inserted preprocessor
6169 conditional is split over multiple lines, use double
6170 backslashes in this file so the fixed header will be readable.
6172 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
6173 and add bypass entry for correct version of this header.
6174 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
6175 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
6177 (hpux8_bogus_inlines): New fix, split from...
6178 (ultrix_atof_param) ... here.
6179 (math_expression): Add bypass entry keyed to glibc comment
6180 indicating the problem has been dealt with; disable
6181 unnecessary sed operations; update commentary.
6182 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
6183 add select and bypass entries, simplify shell operation.
6184 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
6186 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
6187 ultrix_atof_param): Add select entry.
6188 (stdio_va_list, sunos_mather_decl): Add bypass entry.
6189 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
6190 comments with the fixes they describe.
6192 * c-parse.in (string action): Do not warn about ANSI string
6193 concatenation in system headers. Affects C parser only.
6194 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
6196 1999-12-16 Jakub Jelinek <jakub@redhat.com>
6198 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
6199 compiling libgcc2 the macro depends always on arch cpp defines.
6201 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
6203 * loop.c (insert_loop_mem): Don't record MEMs from inside
6206 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
6208 * regclass.c (regclass): Do not use flowgraph when not optimizing.
6210 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
6211 notes too, create one when replacement failed, attempt to simplify
6213 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
6216 1999-12-16 Mark Mitchell <mark@codesourcery.com>
6218 * crtstuff.c (__dso_handle): Declare.
6219 (__cxa_finalize): Likewise.
6220 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
6223 * invoke.texi: Document -fuse-cxa-atexit.
6225 * tree.h (ptr_type_node): Document.
6226 (const_ptr_type_node): Likewise.
6228 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6230 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
6231 (optimize_reg_copy_2): Likewise.
6232 (optimize_reg_copy_3): Likewise.
6233 (fixup_match_2): Likewise.
6234 (regmove_optimize): Likewise.
6235 (fixup_match_1): Liekwise.
6237 * i386.md (HI to SImode promoting splitters): Rewrite.
6238 (pushsf mem peep2): New.
6239 (testhi to andhi peep2): Remove.
6240 * i386.h (x86_promote_QImode): New.
6241 (TARGET_PROMOTE_QImode): New.
6242 (PREDICATE_CODES): Add promotable_binary_operator.
6243 * i386.c (x86_promote_QImode0: New.
6244 (promotable_binary_operator): New.
6245 * i386-protos.h (promotable_binary_operator): New.
6247 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
6249 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
6251 1999-12-16 Mark Mitchell <mark@codesourcery.com>
6253 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
6254 * function.c (insert_block_after_note): Remove.
6255 (retrofit_block): Likewise.
6256 (identify_blocks): Fix indentation.
6257 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
6258 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
6259 * function.h (insert_block_after_note): Remove prototype.
6260 (retrofit_block): Likewise.
6261 * integrate.c (expand_inline_function): Don't call
6262 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
6263 just expand_start_bindings. Use the block_map to remap old
6264 NOTE_BLOCKs to new ones.
6265 (integrate_decl_tree): Keep track of remapped blocks.
6266 * integrate.h (struct inline_remap): Add block_map.
6267 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
6268 NOTE_BLOCK on the notes.
6269 (expand_start_bindings): Rename to ...
6270 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
6271 (expand_end_bindings): Set NOTE_BLOCK.
6272 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
6273 reconstruct the BLOCK tree.
6274 * tree.h (expand_start_bindings): Macroize. Call ...
6275 (expand_start_bindings_and_block): New function.
6277 1999-12-16 Jakub Jelinek <jakub@redhat.com>
6279 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
6280 to match the format.
6282 1999-12-16 David S. Miller <davem@redhat.com>
6284 * expr.c (emit_move_insn_1): Only emit clobbers if one of
6285 the outputs is a SUBREG.
6286 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
6289 * config/sparc/sparc.c (epilogue_renumber): Add default case
6292 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6294 * toplev.c (rest_of_compilation): Run branch shortening after
6297 * regclass.c (loop_depth): Remove
6298 (scan_one_insn): Do not handle LOOP_NOTE insns.
6299 (regclass): Go through basic blocks and set loop_cost
6301 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
6303 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
6305 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6307 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
6308 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
6309 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
6311 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
6313 * loop.c (insert_loop_mem): Ignore memory clobbers.
6315 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
6318 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
6320 * profile.c: Remove redundant #include "output.h".
6322 * h8300.md (HImode preinc peephole): Fix typo.
6324 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
6326 * function.c (retrofit_block): Abort if we don't find a suitable insn.
6327 (insert_block_after_note): Abort if we don't have a previous block.
6328 Remove FN parameter.
6329 * function.h: Adjust.
6331 1999-12-15 Mark Mitchell <mark@codesourcery.com>
6333 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
6334 argument more than once.
6336 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
6338 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
6340 1999-12-15 Jakub Jelinek <jakub@redhat.com>
6342 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
6344 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6346 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
6347 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
6348 update stack_alignment_needed.
6349 (prepare_function_start): Initialize stack_alignment_needed
6350 * function.h (struct function): Add field stack_alignment_needed.
6352 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6354 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
6355 Handle live_throughout / dead_or_set instead of live_before /
6357 (save_call_clobbered_regs): Get register livenessinformation from
6358 chain->live_throughout.
6359 (add_stored_regs): New function.
6360 (insert_restore, insert_save): Add restored / saved registers to
6362 * global.c (reg_dies): New parameter chain.
6363 (reg_becomes_live): Third parameter is regs_set now.
6364 Changed all callers.
6365 (reg_dies): New parameter chain. Changed all callers.
6366 (build_insn_chain): Set live_throughout instead of
6367 live_before / live_after.
6368 * reload.h (struct insn_chain): Replace members live_before /
6369 live_after with live_throughout / dead_or_set.
6370 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
6371 instead of live_before / live_after.
6372 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
6373 (order_regs_for_reload, find_reg, finish_spills): Likewise.
6374 (choose_reload_regs_init): Likewise.
6375 * stupid.c (current_chain, find_clobbered_regs): Delete.
6376 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
6377 instead of chain->live_before / chain->live_after.
6378 (mark_hard_ref): New function.
6379 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
6381 1999-12-15 David S. Miller <davem@redhat.com>
6383 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
6385 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6387 * flow.c (calculate_loop_depth): Make global, remove prototype,
6388 rewrite to use new loop infrastructure.
6389 (find_basic_block): Remove calculate_loop_depth call.
6390 * toplev.c (rest_of_compilation): Call find_basic_block.
6391 * output.h (calculate_loop_depth): Declare.
6393 * flow.c (dump_flow_info): Dump loop_depth.
6394 (flow_loops_nodes_find): Increase loop_depth for basic block in the
6396 (flow_loops_find): Initialize the loop_depth for each basic block.
6398 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
6400 * tree.c (decl_function_context): Handle virtual functions.
6402 * tlink.c (scan_linker_output): Don't look in demangled name when
6403 looking for linker output keywords.
6405 * dwarfout.c (output_type): We can defer namespace-scope classes.
6407 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
6409 * regclass.c (record_reg_classes): Update comment for merging
6410 register class preferences in reg->reg copies. Tighten conditions
6411 for merging register class preferences in reg->reg copies.
6413 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
6415 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
6417 1999-12-14 Geoff Keating <geoffk@cygnus.com>
6419 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
6420 (INIT_SECTION_ASM_OP): Delete.
6421 (FINI_SECTION_ASM_OP): Delete.
6422 (STARTFILE_SPEC): Define to hold just crtbegin.o.
6424 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
6426 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
6427 the abstract origin wasn't emitted.
6429 * dwarf2out.c (class_scope_p): New fn.
6430 (gen_subprogram_die): Use it.
6431 (gen_variable_die): Use it. Tweak logic.
6432 (gen_struct_or_union_type_die): Check context_die to determine
6433 if we're function-local.
6434 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
6436 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
6438 * loop.c (check_dbra_loop): Can't reverse a biv that has
6441 1999-12-14 Nick Clifton <nickc@cygnus.com>
6443 * config/arm/arm.c: Add support for -mcpu=arm720 command line
6446 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6448 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
6449 for givs made from biv increments.
6451 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
6453 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
6454 * alpha.c (override_options): Recognize -mcpu=ev67.
6455 * alpha.h (CPP_CPU_EV67_SPEC): New.
6456 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
6457 (EXTRA_SPECS): Update.
6459 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
6461 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
6462 appropriate for -lang-c89 and -std=*.
6463 * cppinit.c (cpp_handle_option): Likewise.
6464 (new_pending_define): New, split out from cpp_handle_option.
6465 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
6466 or enable trigraphs for -ansi/-std=*.
6468 * ginclude/stdarg.h (__va_copy): New.
6469 (va_copy): Don't define for C89.
6471 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
6473 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
6474 for long long multiply-accumulate.
6476 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6478 * regclass.c (scan_one_insn): Set loop_cost to 1 when
6479 optimizing for size.
6481 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
6483 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
6484 if something changed. Back out that part of yesterday's changes.
6486 * loop.c (loop_max_reg): New static variable.
6487 (loop_optimize): Initialize it. Eliminate one unnecessary call to
6489 (scan_loop): Call reg_scan_update whenever we may have added new
6490 registers, and update loop_max_reg.
6492 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6494 * regclass.c (record_reg_classes): Do not do the copying preferrencing
6495 when source does not die.
6497 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
6499 1999-12-14 Jakub Jelinek <jakub@redhat.com>
6501 * config/sparc/linux64.h (TARGET_LIVE_G0,
6502 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
6504 * config/sparc/linux.h (TARGET_LIVE_G0,
6505 TARGET_BROKEN_SAVERESTORE): Likewise.
6506 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
6507 TARGET_BROKEN_SAVERESTORE): Likewise.
6509 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
6510 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
6512 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
6513 as sparc64 block profiling register.
6514 * config/sparc/sparc.c (sparc_override_options): Allow block
6515 profiling with -m32.
6516 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
6518 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
6519 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
6520 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
6522 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
6524 * config/sparc/sparc.h: Likewise.
6525 * config/sparc/xm-sysv4-64.h: Likewise.
6526 * config/float-sparc.h: Likewise.
6527 * glimits.h: Likewise.
6528 * longlong.h: Likewise.
6530 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
6531 (ASM_IDENTIFY_GCC): Remove.
6533 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
6535 * combine.c (combine_simplify_rtx): Don't make shared rtl.
6536 (simplify_logical): Likewise.
6538 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
6540 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
6541 * cppfiles.c (INO_T_EQ): Likewise.
6543 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
6545 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
6546 * i386/mingw32.h (LIB_SPEC): Likewise.
6547 (STARTFILE_SPEC): Likewise.
6548 * i386/uwin.h (LIB_SPEC): Likewise.
6549 (STARTFILE_SPEC): Likewise.
6551 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
6552 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
6554 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
6556 * combine.c (combine_simplify_rtx): Fix order of checks for
6557 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
6559 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
6561 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
6562 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
6564 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
6566 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
6568 * regclass.c (inv_reg_alloc_order): New array.
6569 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
6571 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
6572 counted_for_groups, counted_for_nongroups. Add fields rld and
6574 * reload.c (push_secondary_reload): Don't set nongroup field of
6576 (push_reload): Likewise.
6577 (find_reloads): Delete code to compute nongroup fields.
6578 * reload1.c (reload_insn_firstobj): New static variable.
6579 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
6581 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
6582 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
6583 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
6585 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
6587 (struct hard_reg_n_uses): Deleted.
6588 (potential_reload_regs): Deleted.
6589 (init_reload): Initialize spilled_pseudos and pseudos_counted.
6590 (reload): Don't try to allocate reload registers if we already know
6591 we have to make another pass. Call select_reload_regs. Free memory
6592 starting with reload_firstobj when starting another pass.
6593 Don't allocate spilled_pseudos.
6594 (calculate_needs_all_insns): Call copy_reloads for an insn that
6595 needs reloads; don't call calculate_needs.
6596 (spill_cost): New static array.
6597 (used_spill_regs_local): New static variable.
6598 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
6599 to compute potential_reload_regs.
6600 (find_reload_regs): Completely rewritten to use find_reg.
6601 (allocate_reload_reg): Don't test counted_for_groups or
6602 counted_for_nongroups. Lose NOERROR arg and code to give an error;
6604 (choose_reload_regs): Add fallback code that uses the existing
6605 register allocation from find_reload_regs.
6607 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
6609 * flow.c (create_edge_list): Cast xmalloc return value.
6611 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
6613 * doprnt.c: Remove incorrect comment closure.
6615 * cse.c: Fix a few minor whitespace goofs.
6617 1999-12-13 Don Bowman <don@pixstream.com>
6619 * mips/vxworks.h: Fix problem with comment termination.
6620 (EXTRA_SECTIONS): Add in_sbss.
6621 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
6623 1999-12-12 David S. Miller <davem@redhat.com>
6625 * cse.c (struct cse_reg_info): Add hash_next member,
6626 reorder rest of struct for better packing on 64-bit
6628 (cse_reg_info_tree): Kill.
6629 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
6630 REGHASH_FN): New custom pow2 hash mechanism.
6632 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
6633 use a pow2 hash table.
6634 (get_cse_reg_info): Rework to use new REGHASH.
6635 (new_basic_block): Likewise, use HASH_SIZE, and inline
6637 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
6638 and inline free_element call.
6639 (lookup_as_function, insert, flush_hash_table, invalidate,
6640 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
6641 invalidate_for_call, use_related_value, find_comparison_args,
6642 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
6643 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
6646 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
6648 * cse.c (cse_basic_block): Free qty_table consistently.
6650 1999-12-12 David S. Miller <davem@redhat.com>
6651 Jakub Jelinek <jakub@redhat.com>
6653 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
6654 SUBREGs by hand, gen the appropriate hard reg directly.
6655 (movtf reg/mem split): Likewise and alter_subreg on destination
6657 (movtf mem/reg split): Similarly.
6658 (movdf_cc_sp64): Rename from hidden pattern.
6659 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
6660 (movtf_cc_sp64, following split): New pattern and splitter.
6661 (movdf_cc_reg_sp64): Rename from hidden pattern.
6662 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
6664 (movtf_cc_reg_sp64, following split): New pattern and splitter.
6666 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
6668 * loop.c (load_mems): Don't hoist written floating point mem
6671 1999-12-12 Mark Mitchell <mark@codesourcery.com>
6673 * except.h (struct eh_queue): Add `next' pointer.
6674 (struct eh_status): Make x_ehqueue a pointer.
6675 (push_ehqueue): Declare.
6676 (pop_ehqueue): Likewise.
6677 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
6679 (expand_fixup_region_end): Likewise.
6680 (expand_leftover_cleanups): Likewise.
6681 (push_ehqueue): Define.
6682 (pop_ehqueue): Likewise.
6683 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
6684 than doing it inline.
6685 (expand_start_all_catch): Adjust now that ehqueue is a
6687 (mark_eh_queue): Mark all level of the queue.
6688 (mark_eh_status): Adjust now that ehqueue is a
6690 (init_eh_for_function): Allocate ehqueue.
6691 (free_eh_status): Free it.
6692 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
6693 expansion for a fixup.
6695 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6697 * gthr-single.h (__gthread_active_p): Add prototype arguments.
6699 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
6700 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
6701 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
6702 function_ptr, getpagesize, __enable_execute_stack,
6703 __enable_execute_stack, __clear_insn_cache,
6704 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
6705 _cleanup, _exit, __default_terminate, __terminate_func,
6706 __terminate, __empty, __throw, new_eh_context,
6707 eh_context_initialize, eh_context_static, eh_context_specific,
6708 get_eh_context, __get_eh_context, __get_eh_info,
6709 init_reg_size_table, eh_threads_initialize,
6710 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
6711 __unwinding_cleanup, throw_helper, __throw, __rethrow,
6712 __pure_virtual): Add prototype arguments.
6713 (__bb_exit_func): Cast a sizeof to long when comparing against one.
6714 Cast a signed value to unsigned long when comparing against one.
6715 (new_eh_context): Wrap in _GTHREADS macro.
6716 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
6718 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
6719 (throw_helper): Initialize variables `handler_p' and `pc_p'.
6721 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6723 * combine.c (record_promoted_value): Remove unused variable
6726 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
6728 * global.c (record_conflicts): Likewise for `j'.
6730 * genoutput.c (output_insn_data): Don't unnecessarily cast away
6733 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6735 * i386-protos.h (output_387_binary_op, output_fix_trunc,
6736 output_fp_compare): Constify a char*.
6738 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
6740 (override_options, ix86_comp_type_attributes, print_operand,
6741 output_387_binary_op, output_fix_trunc, output_fp_compare):
6743 (ix86_sched_reorder): Mark parameter `clock_var' with
6746 * i386.h (DEBUG_PRINT_REG): Constify a char*.
6748 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
6750 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
6751 operand, for use in the Java front-end.
6753 1999-12-10 Ben Collins <bcollins@debian.org>
6755 * configure.in: Fix typo for "-64" in 64bit as check.
6756 * configure: Rebuilt.
6758 1999-12-10 Jakub Jelinek <jakub@redhat.com>
6760 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
6763 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6765 * c-parse.in (string): With -Wtraditional, warn if ANSI string
6766 concatenation is utilized.
6768 * invoke.texi (-Wtraditional): Document it.
6770 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6772 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
6773 Cast a ptrdiff_t to long and pass it to printf with %ld.
6775 1999-12-10 Geoff Keating <geoffk@cygnus.com>
6777 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
6778 68881, we have no 68881 registers at all.
6779 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
6780 value in a 68881 register if it is available.
6782 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
6784 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
6785 for long long multiply-accumulate.
6787 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
6789 * loop.c (insert_loop_mem): Undo last change.
6791 1999-12-10 David S. Miller <davem@redhat.com>
6793 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
6795 * config/sparc/sparc-protos.h: Add them.
6796 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
6797 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
6798 constraints which use those helpers.
6799 (EXTRA_CONSTRAINT): Use this new macro.
6800 * md.texi: Update sparc target constraints documentation.
6801 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
6802 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
6803 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
6804 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
6805 (movsf high/lo_sum split): Rework for new patterns.
6806 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
6808 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
6810 * c-common.c (c_common_nodes_and_builtins):
6811 Create __builtin_ptrdiff_t and __builtin_size_t.
6813 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
6815 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
6817 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6819 * regclass.c (globalize_reg): Re-instate test that allows
6820 fixed registers to be declared as a variable even after functions
6823 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6825 * i386.md (cpu attribute): Add "athlon".
6826 (athlon_decode): New attribute.
6827 (Athlon scheduling units definitions): New.
6828 (fcmp and shld patterns): Set athlon_decode to "vector".
6829 * i386.c (athlon_cost): New.
6831 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
6832 x86_use_sahf): Set for Athlon.
6833 (x86_use_fiop): Unset for Athlon.
6834 (override_options): Define Athlon alignments and "athlon" name.
6835 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
6836 * i386.h (TARGET_ATHLON): New.
6837 (enum processor_type): Add PROCESSOR_ATHLON.
6838 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
6840 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
6842 1999-12-09 Andreas Jaeger <aj@suse.de>
6844 * loop.c (record_biv): Declare parameter as int.
6846 * config/i386/i386-protos.h: Declare long_memory_operand.
6848 1999-12-09 Mark Mitchell <mark@codesourcery.com>
6850 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
6851 EXPR_WITH_FILE_LOCATION.
6853 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6855 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
6858 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
6860 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
6863 1999-12-09 Jakub Jelinek <jakub@redhat.com>
6865 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
6866 default on linux64 again.
6867 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
6868 models for multilibing.
6869 * genmultilib: Accept | as alternative separator within a set in
6872 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
6874 * calls.c (precompute_arguments): Make sure initial_value contains
6875 value pseudo which CSE expects.
6876 * cse.c (struct set): New entry orig_src.
6877 (cse_insn): Set it early on entry, use it for libcall EQUIV note
6880 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
6882 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
6884 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
6886 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
6888 1999-12-08 Jakub Jelinek <jakub@redhat.com>
6890 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
6891 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
6893 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
6896 * longlong.h: Merge in changes from glibc.
6897 Also don't clobber %g2 register in 32bit SPARC assembly, so that
6898 -mno-app-regs libgcc can be compiled.
6899 * libgcc2.c: Add defines so that the updated longlong.h
6900 can be used in libgcc2.a. Also, make sure on most architectures
6901 (at least on all which have optimized code in longlong.h defined
6902 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
6904 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6906 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
6907 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
6908 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
6910 * configure: Rebuilt.
6912 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
6914 * alpha.c (secondary_reload_class): For !BWX, sub-simode
6915 outputs require a register.
6917 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
6919 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
6920 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
6921 functions like dptoul will be resolved.
6922 (libgcc2.a): Make sure that the object files from DPBIT are named
6923 differently (prefix `_dp') from those that would be coming from
6926 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
6928 * configure.in: When target is sparc* and tm_file contains 64,
6929 test for 64bit support in assembler. If not supported, remove
6930 sparc/t-sol2-64 from target-dependent Makefile fragments.
6931 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
6932 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
6933 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
6934 * acconfig.h (AS_SPARC64_FLAG): Added.
6935 * configure, config.in: Rebuilt.
6936 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
6937 support. Use AS_SPARC64_FLAG.
6939 1999-12-07 Jakub Jelinek <jakub@redhat.com>
6941 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
6942 suitable for holding OFmode values so that gcc works with complex
6944 (hard_64bit_mode_classes): Likewise.
6946 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
6947 so that it is actually matched.
6948 (sethi_di_medlow): Likewise.
6950 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
6951 as legitimate constant if -mvis.
6952 * config/sparc/sparc.md (movtf): Likewise.
6953 (clear_sf): Use const_double_operand.
6954 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
6956 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
6957 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
6958 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
6959 routines, _Qp_* cannot be handled like that now.
6960 (INIT_TARGET_OPTABS): Likewise.
6961 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
6962 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
6963 sparc_emit_float_lib_cmp if ARCH64 and soft float.
6964 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
6965 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
6966 divtf3, sqrttf3): New expanders.
6967 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
6968 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
6969 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
6972 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
6973 * configure: Rebuilt.
6974 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
6975 -mcpu is given and we're doing 64bit compiles.
6977 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
6979 * loop.h (struct induction): Add multi_insn_incr.
6980 * loop.c (basic_induction_var): New multi_insn_incr argument.
6981 Set it if we search back through previous insns for the biv.
6982 (record_biv): New multi_insn_incr argument; fill in struct induction.
6983 (strength_reduce): Discard an iv with multiple bivs, any of
6984 which require multiple insns to increment.
6986 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6988 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
6991 1999-12-06 David S. Miller <davem@redhat.com>
6993 * combine.c (check_promoted_subreg): Do not conditionalize this upon
6994 PROMOTE_FUNCTION_RETURN.
6996 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
6998 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
6999 and handle REG_UNUSED note on insn.
7001 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
7002 inner_mask instead of mask.
7004 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
7006 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
7007 zero if there was an error.
7009 1999-12-06 Jakub Jelinek <jakub@redhat.com>
7011 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
7014 * longlong.h: Fix clobbers in SPARC asm statements.
7016 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
7017 valid sethi operations when TARGET_ARCH64.
7019 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
7020 always use move_by_pieces to avoid infinite recursion.
7021 (restore_fixed_argument_area): Likewise.
7023 * combine.c (check_promoted_subreg, record_promoted_value): New
7025 (combine_instructions): Use them to retain nonzero and sign bit
7026 information after SUBREGs are eliminated by optimizations in
7027 this pass if PROMOTE_FUNCTION_RETURN.
7029 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
7030 .register declaration. Don't use variables with __ prefixes.
7032 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7034 * fold-const.c (optimize_bit_field_compare): Only use one mode
7035 for both RHS and LHS in non-constant case.
7037 1999-12-06 Nathan Sidwell <nathan@acm.org>
7039 * frame.c (start_fde_sort): Only allocate erratic array, if
7040 linear one was allocated. Return allocated flag.
7041 (fde_insert): Only insert, if there's a valid array.
7042 (fde_end_sort): Split, sort and merge if linear and erratic
7043 arrays exist, else just sort linear one.
7044 (search_fdes): New function. Linear search through original fde
7046 (frame_init): Permit multiple initializations. Cope with
7048 (find_fde): Fallback on linear search, if failed to sort array.
7049 (__deregister_frame_info): Only free sorted array, if we
7052 1999-12-06 Jakub Jelinek <jakub@redhat.com>
7054 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
7056 1999-12-05 Jakub Jelinek <jakub@redhat.com>
7058 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
7060 1999-12-05 Mark Mitchell <mark@codesourcery.com>
7062 * tree.h (special_function_p): Declare.
7063 * calls.c (special_function_p): Make it global. Don't take `name'
7064 as a parameter. Fix typo in 1999-11-28 change.
7065 (expand_cal): Adjust.
7067 1999-12-04 Mark Mitchell <mark@codesourcery.com>
7069 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
7070 * tree.h (EXPR_WFL_FILENAME): Define in terms of
7071 EXPR_WFL_FILENAME_NODE.
7072 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
7074 * print-tree.c (print_note): Print TREE_PRIVATE and
7077 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
7078 the original die cannot be found.
7080 * varray.h (varray_head_tag): Add elements_used.
7081 (VARRAY_PUSH): New macro.
7082 (VARRAY_POP): Likewise.
7083 (VARRAY_TOP): Likewise.
7084 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
7086 * varray.c (varray_init): Initialize elements_used.
7087 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
7088 (INTEGRATE_H): New variable.
7089 (integrate.o): Depend on INTEGRATE_H.
7090 (unroll.o): Likewise.
7092 * function.h (insert_block_after_note): Declare.
7093 * function.c (insert_block_after_note): Split out from ...
7094 (retrofit_block): ... here.
7096 * stmt.c (expand_fixup): Fix typo in comment.
7098 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7100 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
7101 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
7102 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
7103 (regmove_optimize, fixup_match_1): Likewise.
7105 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7107 * flow.c (flow_loops_dump): Add missing argument when calling
7110 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
7111 Greg McGary <gkm@gnu.org>
7113 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
7114 (init_attributes): Add A_NO_LIMIT_STACK.
7115 (decl_attributes): Handle A_NO_LIMIT_STACK.
7116 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
7117 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
7118 Handle stack bounds checking.
7119 * flags.h (flag_stack_check): Use the word 'probe' rather than
7120 'check', because the flag doesn't actually cause any checking to
7122 * function.c (expand_function_start): Set
7123 current_function_limit_stack.
7124 * function.h (struct function): Add limit_stack.
7125 (current_function_limit_stack): Define.
7126 * invoke.texi (Code Gen Options): Document new options.
7127 * rtl.h: Declare stack_limit_rtx.
7128 * toplev.c (stack_limit_rtx): New variable.
7129 (decode_f_option): Handle new options -fstack-limit-register=REG,
7130 -fstack-limit-symbol=IDENT, -fno-stack-limit.
7131 (main): Add stack_limit_rtx as GC root.
7132 * tree.h (DECL_NO_LIMIT_STACK): New macro.
7133 (struct tree_decl): New member no_limit_stack.
7135 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
7137 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
7138 (conditional_trap+1): Get new mnemonic correct.
7139 (conditional_trap+2): New pattern for DImode traps.
7141 * config/m68k/m68k.c (output_function_prologue): Handle
7143 * config/m68k/m68k.md (trap): New insn.
7144 (conditional_trap): New insn.
7145 * md.texi (Standard Names): Document `trap' and
7147 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
7148 so a cc0 setter doesn't get emitted at some random place in the
7151 * config/i960/i960.md (trap): New insn.
7152 (conditional_trap): New expander.
7153 (conditional_trap+1, conditional_trap+2): New insns for signed
7155 * config/i960/i960.c (i960_function_prologue): Use
7156 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
7158 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
7159 Geoffrey Keating <geoffk@cygnus.com>
7161 * flags.h (warn_padded, warn_packed): Add global var decls.
7162 * toplev.c (warn_padded, warn_packed): Add global var defns.
7163 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
7164 * stor-layout.c (layout_record): Add local variable `type'
7165 to hold often-used TREE_TYPE (field). Add local variable
7166 `unpacked_align' to hold alignment that would be in force
7167 if no `packed' attribute were present. Warn if `packed' attribute
7168 is unnecessary, or even harmful. Warn when gcc inserts padding
7169 to satisfy alignment requirements of members. Use NULL_TREE
7170 when checking whether var_size is set.
7171 * invoke.texi: Document new flags.
7173 1999-12-03 Nathan Sidwell <nathan@acm.org>
7175 * frame.c (fde_split): Reimplement to avoid variable sized array.
7177 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7179 * combine.c (try_combine): Before fixing up LOG_LINKS for the
7180 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
7182 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
7184 * invoke.texi: Document the mips option -mno-crt0
7186 1999-12-02 Mike Karr <mkarr@mathworks.com>
7188 * cccp.c (argdata): Added free_ptr member.
7189 (macroexpand): Initialize free_ptr of each argument. When an
7190 argument's buffers are freed, if the argument's free_ptr corresponds
7191 to a buffer on the input stack, then return the free_ptr to that stack
7192 frame, otherwise, free it.
7193 (macarg): If an argument begins and ends on the same input stack level,
7194 then transfer the free_ptr of that buffer to the argument in case
7195 the stack is popped during the processing of a subsequent argument.
7197 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
7199 * loop.c (note_reg_stored): New function.
7200 (struct note_reg_stored_arg): New structure.
7201 (try_copy_prop): Change to be more conservative; only replace within
7202 one extended basic block and stop replacing if a store to the
7203 replacement reg is seen.
7205 1999-12-02 Nick Clifton <nickc@cygnus.com>
7207 * config/fp-bit.c: Initialise all fields of the NAN
7210 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
7213 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
7215 * i386.md (extend?f?f2): Force the input into a register, not
7218 1999-12-01 Jakub Jelinek <jakub@redhat.com>
7220 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
7222 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
7223 alternative because setting up 64bit constant is usually costly,
7224 especially when reload is in progress or completed.
7225 (movdf_const_intreg_sp64): Likewise.
7226 (movdf_const_intreg split): Fix building up constants when
7227 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
7229 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
7231 * combine.c (if_then_else_cond): Use const_true_rtx instead of
7232 const1_rtx for return values in EQ/NE comparison against (const_int 0)
7235 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
7236 (asm_file_start): Emit .am33 into assembly file when compiling for
7238 (print_operand_address): Handle POST_INC addresses.
7239 (can_use_return_insn, initial_offset): Check AM33 registers too.
7240 (expand_prologue): Check & save AM33 registers too.
7241 (expand_epilogue): Similarly.
7242 (secondary_reload_class): Handle AM33 specific secondary reloads.
7243 (output_tst): Emit efficient code for the AM33 too.
7244 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
7245 (TARGET_SWITCHES): Add -mam33 switch.
7246 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
7247 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
7248 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
7249 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
7250 (enum reg_class, REG_CLASS_NAMES): Likewise.
7251 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
7252 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
7253 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
7254 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
7255 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
7256 (HAVE_POST_INCREMENT): Define.
7257 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
7258 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
7259 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
7260 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
7261 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
7262 (zero_extend to SI from QI/HI): Likewise.
7263 (sign_extend to SI from QI/HI): Likewise.
7264 (mulsidi3, umulsidi3): New patterns for the AM33.
7265 (tstsi with zero extension from QI/HI): Add AM33 variants.
7266 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
7267 (return_internal_regs, store_movm): Handle new AM33 registers.
7268 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
7269 (LIBGCC, INSTALL_LIBGCC): Likewise.
7270 * invoke.texi: Document new flags.
7272 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
7274 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
7275 (addsi3_carry): Likewise.
7276 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
7277 (sbbsi3_carry): Likewise.
7278 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
7280 (test?i_1): Ensure that only one operand is memory.
7281 (conditional move patterns): likewise.
7282 (shift and rotate patterns): Rewrite to expander, add
7283 "binary_operator_ok" to the condition.
7285 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
7286 * i386.h (procesor_costs): Add movzbl_load field.
7287 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
7288 non-Q registers, accept DImode registers anywhere.
7290 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
7291 * i386.c (*_cost): Set value for movxbl_load field.
7293 * (addsi): New add to lea splitter.
7295 (lea to add/shift peep2): New.
7297 1999-12-01 Mark Salter <msalter@cygnus.com>
7299 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
7300 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
7301 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
7303 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7305 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
7306 * i386.md (movsi_xor): New.
7308 (movsi_1, movhi_1, movqi_1): Remove.
7309 (movsi_2): Rename to movsi_1.
7310 (movhi_2): Rename to movhi_1.
7311 (movqi_2): Rename to movqi_1.
7312 (movdi_1): Remove; remove splitter.
7313 (movdi_2): Rename to movdi_1.
7314 (divmodsi4 splitter): Do not emit clobbers for move patterns.
7315 (long move peep2): Do not create QI or HI mode mov0s
7316 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
7318 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
7321 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
7322 (abs?f2_if): Likewise.
7324 1999-11-30 Alex Samuel <samuel@codesourcery.com>
7326 * ggc.h (ggc_test_and_set_mark): New macro.
7327 (ggc_mark_rtx): Use ggc_test_and_set_mark.
7328 (ggc_mark_tree): Likewise.
7329 (ggc_mark_rtvec): Likewise.
7330 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
7332 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
7334 * dwarf2out.c (scope_die_for): Only handle types. Only search for
7336 (decl_scope_table): Just an array of trees now.
7337 (push_decl_scope): Simplify.
7338 (dwarf2out_init): Adjust.
7339 (local_scope_p): New fn.
7340 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
7341 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
7342 (gen_typedef_die): Likewise.
7343 (gen_lexical_block_die): Don't call push/pop_decl_scope.
7344 (gen_inlined_subroutine_die): Likewise.
7345 (gen_abstract_function): Set current_function_decl temporarily.
7346 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
7347 Handle block extern declarations. Don't call push/pop_decl_scope.
7348 (gen_decl_die): Fix logic for block externs.
7350 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7352 * calls.c (special_function_p): Remove `realloc' and add `strdup'
7353 to the list of functions which have attribute malloc by default.
7355 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7357 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
7358 integer constant does not match the traditional type, limit the
7359 warnings to cases where the base of the type is ten.
7361 * invoke.texi (-Wtraditional): Document it.
7363 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7365 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
7366 * rs6000.md: Only access a CONST_INT with INTVAL
7368 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
7370 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
7371 (compute_nearerout): Likewise.
7372 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
7373 size_t to unsigned long for formatting.
7375 1999-11-30 Jakub Jelinek <jakub@redhat.com>
7377 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
7378 Allow the user to override call-used/fixed state of %g2-5
7379 registers from the command line (with the exception of %g4 for
7381 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
7382 there is a higher chance of having a leaf function.
7383 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
7384 for ARCH64 which has %ccr register.
7385 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
7387 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
7388 insn accept into delay slot any insn which does not use %[ol]
7389 registers. Accept some LO_SUM and shift left by 1 for the normal
7391 (output_function_epilogue): Likewise.
7392 (epilogue_renumber): Added argument which inhibits any renumbering
7393 and just tests if the rtx does not use any %[ol] registers.
7394 (output_return): Reflect above change.
7396 1999-11-30 Jakub Jelinek <jakub@redhat.com>
7398 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
7399 aggregate passing for sizes <= 16 bytes.
7401 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
7403 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
7404 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
7405 * reload.c (find_dummy_reload): Likewise.
7406 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
7407 * reload1.c (reload_as_needed): Likewise.
7408 * stupid.c (stupid_find_reg): Likewise.
7409 * tm.texi (Obsolete Register Macros): Delete section.
7410 * gmicro.h: Remove all traces of the two macros.
7415 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
7417 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
7418 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
7419 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
7420 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
7421 units for the sparclite86x chip.
7422 (flush): Revert October 14th change; add SImode specifically.
7423 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
7424 * invoke.texi: Document it.
7426 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
7428 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
7429 psimode_truncation_operand.
7431 * config/mn10200/mn10200.c (psimode_truncation_operand): New
7432 function. Return true if the operand is either a MEM valid
7433 for a PSImode address or not a MEM at all.
7435 * config/mn10200/mn10200.md (truncsipsi2): Use
7436 psimode_truncation_operand.
7438 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7440 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
7441 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
7442 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
7443 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
7444 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
7445 (flow_loop_level_compute, low_loops_level_compute): Likewise.
7446 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
7447 * basic-block.h: Protect from multiple inclusion.
7448 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
7449 (struct loops, struct loop): Define structures.
7450 * sbitmap.c (sbitmap_a_subset_b_p): New function.
7451 * sbitmap.h: Protect from multiple inclusion.
7452 (sbitmap_a_subset_b_p): Add prototype.
7453 * Makefile.in (LOOP_H): New macro.
7454 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
7456 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
7458 * cppinit.c (CAT): The argument list of this macro may not contain
7461 1999-11-29 David S. Miller <davem@redhat.com>
7463 Move quantity tables and register equivalence chains into
7464 per-qty and per-register structure arrays respectively.
7465 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
7466 qty_const_insn, qty_comparison_code, qty_comparison_const,
7467 qty_comparison_qty): Delete, replace with...
7468 (qty_table): this structure table.
7469 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
7470 (reg_eqv_table): this structure table.
7471 (make_new_qty): Add argument MODE. Caller updated.
7472 Update to use qty_table and reg_eqv_table.
7473 (make_regs_eqv, delete_reg_equiv, insert_regs,
7474 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
7475 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
7476 cse_process_notes, cse_main, cse_basic_block): Likewise.
7478 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7480 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
7481 operation if C is negative.
7482 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
7483 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
7484 law for some divisions if constant is negative and change other
7485 divisions to the opposite rounding.
7487 * expr.c (store_constructor_field): If bit position is not multiple
7488 of alignment of TARGET's mode, use BLKmode.
7490 * expr.c (expand_expr_unaligned): Add more code from full case
7491 that is needed when OP0 is in a register.
7493 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7495 * dwarfout.c (field_byte_offset): Size can be zero if there was
7498 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
7500 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
7501 (associate_trees): Delete unused var TEM.
7502 (extract_muldiv): Delete unused var CANCEL_P.
7504 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
7505 (target_isinf, target_isnan, target_negative): Add return types to
7506 function definitions.
7508 1999-11-29 Bruce Korb <autogen@linuxbox.com>
7510 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
7511 * fixinc/hackshell.tpl: ditto
7512 * fixinc/fixtests.c(double_slash_test): more C++ header testing
7513 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
7515 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
7517 * reload.c (push_reload): When looking for a register to put into
7518 reg_rtx, make sure all hard regs in a multi-reg register are in the
7519 right class and nonfixed.
7521 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
7522 pending_read_insns, pending_write_insns, pending_read_mems,
7523 pending_write_mems, pending_list_length, last_pending_memory_flush,
7524 last_function_call, sched_before_next_call): Move static variables
7526 (bb_ prefixed versions): Replace with single array bb_deps.
7527 (struct deps): New structure.
7528 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
7529 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
7530 argument of type "struct deps *"; use that instead of global
7531 variables. All callers changed.
7532 (init_rgn_data_dependencies): Delete function.
7533 (init_rtx_vector): Delete function.
7534 (init_deps): New function.
7536 (free_pending_lists): Simplify, we always use the bb_deps array even
7537 if only one basic block.
7538 (compute_block_backward_dependences): Likewise.
7539 (schedule_region): Likewise.
7541 (propagate_deps): New function, broken out of
7542 compute_block_backward_dependences.
7543 (compute_block_backward_dependences): Use it.
7545 * alpha.md: Delete useless patterns that tried to work around
7546 register elimination problems.
7548 * unroll.c (loop_iterations): Don't abort if iteration variable
7551 From Joern Rennecke:
7552 * reload1.c (reloads_conflict): Reverse test comparing operand
7553 numbers when testing for conflict between output/outaddr reloads.
7555 1999-11-29 David S. Miller <davem@redhat.com>
7557 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
7559 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
7561 1999-11-28 Robert Lipe <robertl@cygnus.com>
7563 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
7564 table from .fini into .dtor.
7566 1999-11-28 Anthony Green <green@cygnus.com>
7568 * tree.h (struct tree_decl): Add malloc_flag.
7569 (DECL_IS_MALLOC): Define.
7570 * c-common.c (attrs): Add A_MALLOC attribute.
7571 (init_attributes): Add this attribute to the table.
7572 (decl_attributes): Handle malloc attribute.
7573 * calls.c (special_function_p): Check for the malloc attribute.
7574 * extend.texi (Function Attributes): Document malloc attribute.
7576 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
7578 * pa.md (reload shift-add patterns): Remove.
7580 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7582 * reorg.c (dbr_schedule) Print more statistics. Corrected
7583 problem when printing info when 3 delay slots are filled.
7585 1999-11-28 Jakub Jelinek <jakub@redhat.com>
7587 * combine.c (setup_incoming_promotions): Pass an outgoing
7588 regno to FUNCTION_ARG_REGNO_P which it expects.
7590 1999-11-28 Andreas Jaeger <aj@suse.de>
7592 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
7594 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
7596 * cccp.c (do_include): Avoid initialization of automatic variable.
7598 * integrate.c (mark_stores): Function definition made void, to match
7599 previous declaration.
7600 * regclass.c (dump_regclass): Ditto.
7601 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
7603 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7605 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
7606 known to be multiple of divisor.
7608 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
7610 * combine.c (try_combine): Add code to try to merge a set of a
7611 two-word pseudo to a constant with a setting of one of those words
7614 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
7615 (split_tree): Completely rework to make more general.
7616 (make_range, fold): Call negate_expr.
7617 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
7618 (fold, associate): Call new split_tree and associate_trees.
7619 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
7621 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
7623 * loop.c (try_copy_prop): Avoid GNU C extension.
7625 1999-11-25 Mark Mitchell <mark@codesourcery.com>
7627 * except.c (init_eh_for_function): Still zero eh_return_context,
7628 eh_return_stack_adjust, and eh_return_handler.
7630 * except.h (eh_status): Adjust documentation for x_protect_list.
7631 (begin_protect_partials): New function.
7632 * except.c (enqueue_eh_entry): Fix formatting.
7633 (get_first_handler): Add consistency check.
7634 (add_partial_entry): Adjust usage of protect_list.
7635 (emit_cleanup_handler): Save and restore ehqueue.
7636 (expand_start_all_catch): Add comment.
7637 (begin_protect_partials): New function.
7638 (end_protect_partials): Adjust usage of protect_list.
7639 (init_eh_for_function): Use xcalloc.
7641 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7643 * c-common.c (check_format_info): Don't call a variadic function
7644 with a non-literal format string.
7646 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
7648 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
7649 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
7652 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
7655 * collect2.c (collect_wait): Likewise.
7657 * dbxout.c (dbxout_type): Likewise.
7659 * gcc.c (do_spec_1): Likewise.
7661 * genemit.c (gen_insn, gen_expand): Likewise.
7663 * genrecog.c (write_switch, write_subroutine): Likewise.
7665 * mips-tfile.c (catch_signal, botch): Likewise.
7667 * print-rtl.c (print_rtx): Likewise.
7669 * toplev.c (default_print_error_function, report_error_function,
7670 _fatal_insn): Likewise.
7672 1999-11-25 Mark Mitchell <mark@codesourcery.com>
7674 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
7676 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7678 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
7679 operations when needed.
7680 * i386.md (fop_?f_comm): New.
7681 (fop_?f_1): Do not accept commutative operands.
7683 1999-11-25 Andreas Jaeger <aj@suse.de>
7685 * config/mips/mips.md (casesi_internal): Add missing brace.
7687 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
7689 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
7690 (splice_child_die): Handle moving a child DIE from the declaration
7691 DIE of a class to its specification.
7692 (gen_struct_or_union_type_die): Use 'complete' consistently.
7693 (gen_decl_die): Generate the virtual context DIE first.
7694 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
7696 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
7698 * config/mips/mips.md (call_value_multiple_interanal1): New.
7700 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
7702 * dwarf2out.c (free_AT, free_die): New fns.
7703 (remove_children): Call them.
7704 (output_line_info): Disable removal of duplicate notes.
7706 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
7707 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
7708 means pretend the type isn't defined.
7709 Don't defer emitting types.
7710 (gen_type_die_for_member): New fn.
7711 (gen_decl_die): Call it.
7712 (splice_child_die): New fn.
7713 (gen_member_die): Call it rather than generate duplicate dies.
7715 Defer emitting information for the abstract instance of an inline
7716 until we either inline it or emit an out-of-line copy.
7717 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
7718 from output_inline_function if DECL_ABSTRACT is also set.
7719 (block_ultimate_origin): Likewise.
7720 (gen_abstract_function): New fn.
7721 (gen_decl_die, gen_inlined_subroutine_die): Call it.
7722 (gen_subprogram_die): An abstract instance is not a declaration
7723 just because it doesn't match current_function_decl. Don't abort
7724 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
7725 has an abstract origin.
7726 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
7727 abstract instance here.
7729 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
7731 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
7732 where we need to reload fpul from a system register.
7734 1999-11-24 Andreas Jaeger <aj@suse.de>
7736 * config/mips/linux.h (CPP_PREDEFINES): Added.
7737 (LINK_SPEC): Remove -Y since this is only needed on sparc.
7739 1999-11-24 Andreas Jaeger <aj@suse.de>
7741 * config/mips/linux.h (TARGET_VERSION): Added.
7742 (HANDLE_SYSV_PRAGMA): Added.
7743 (DEFAULT_VTABLE_THUNKS): Added.
7745 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7747 * local-alloc.c (qty): New structure and static variable.
7748 (qty_phys_reg): Remove, all references changed to qty.
7749 (qty_n_refs): Likewise.
7750 (qty_min_class): Likewise.
7751 (qty_birth): Likewise.
7752 (qty_death): Likewise.
7753 (qty_size): Likewise.
7754 (qty_mode): Likewise.
7755 (qty_n_calls_crossed): Likewise.
7756 (qty_alternate_class): Likewise.
7757 (qty_changes_size): Likewise.
7758 (qty_first_reg): Likewise.
7759 (alloc_qty): Rename variable QTY to QTYNO.
7760 (finf_free_reg): Likewise.
7761 (local_alloc): Allocate qty, do not allocate the removed variables.
7763 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
7765 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
7766 when -membedded-pic is passed.
7768 * config/mips/mips.md (casesi): Handle 64-bit case too.
7769 (casesi_internal_di): New insn.
7771 * config/mips/mips.c (embedded_pic_offset): Always make the
7772 embedded-pic subtractions relative to the name of the current
7773 function by use of the magic string "..CURRENT_FUNCTION".
7774 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
7776 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
7778 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
7779 of (const_int 0), when what we really care about is
7780 whether it's a zero constant anyway.
7781 (div_trap_mips16): Likewise.
7783 1999-11-23 Mark Mitchell <mark@codesourcery.com>
7785 * loop.c (loop_optimize): Always find_loop_tree_blocks and
7786 unroll_block_trees when generating debuggable code.
7788 * tree.h (unsave_expr_1): New function.
7789 (lang_unsave): New variable.
7790 (get_callee_fndecl): New function.
7791 * tree.c (unsave_expr_now_r): New function.
7792 (lang_unsave): Define.
7793 (unsave_expr_1): Likewise.
7794 (unsave_expr_now_r): Split out from unsave_expr_now.
7795 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
7796 call unsave_expr_now_r.
7797 (get_callee_fndecl): Define.
7799 * Makefile.in (gencheck): Don't depend on lang_tree_files.
7800 (gencheck.o): Do depend on lang_tree_files.
7802 * integrate.h (copy_decl_for_inlining): New declaration.
7803 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
7804 (copy_decl_for_inlining): New function.
7805 (integrate_parm_decls): Use it.
7806 (integrate_decl_tree): Likewise.
7808 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
7810 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
7811 the second two from the first.
7812 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
7813 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
7814 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
7816 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
7817 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
7820 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
7822 * pa.md (call_internal_symref, call_value_internal_symref): No mode
7823 needed on the address operand.
7824 * pa.c (call_operand_address): Check for the correct mode.
7826 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
7828 * loop.c: Include "basic-block.h".
7829 (try_copy_prop, replace_loop_reg): New functions.
7830 (load_mems): Detect registers that just hold copies of the hoisted
7831 mem, and call try_copy_prop to eliminate them.
7832 * Makefile.in (loop.o): Update dependencies.
7834 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
7836 * Makefile.in (gencheck.o): Depend on gencheck.h.
7837 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
7838 (insn-peep.o): Depend on except.h and function.h.
7839 (insn-attrtab.o): Depend on RECOG_H.
7840 (insn-output.o): Depend on toplev.h and flags.h.
7841 (gengenrtl.o): Depend on real.h.
7842 (gen-protos.o): Depend on cpplib.h and cpphash.h.
7843 Unify all dependencies to be on RECOG_H rather than recog.h.
7845 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7847 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
7848 * configure.in: Try building a bi-arch 32/64-bit compiler on
7849 sparc-*-solaris2.7 and higher.
7850 * configure: Rebuild.
7852 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
7854 * config/freebsd.h: New, FreeBSD architecture independent file.
7855 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
7857 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
7858 directly by i386/freebsd.h.
7859 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
7860 independent configuration file.
7861 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
7862 directly by i386/freebsd.h.
7863 * configure: Rebuilt.
7865 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
7866 which is in the user's namespace.
7867 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
7868 `i386' which is not in our namespace.
7870 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
7872 * invoke.texi (ARM Options): Add in -mno-alignment-traps
7874 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
7876 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
7877 (add_dwarf_attr, add_child_die): Just push onto the front.
7878 (reverse_die_lists): New fn.
7879 (add_sibling_attributes): Use it.
7880 (push_decl_scope): Reorganize.
7881 (add_name_and_src_coords_attributes): Don't set file and line for
7883 (gen_subprogram_die): An artificial function doesn't need to match
7885 (gen_compile_unit_die): Return the generated die. Only add
7886 AT_comp_dir if the filename is relative.
7887 (remove_AT): Simplify loop. Also free string values.
7888 (output_die): A DIE ref can't be null.
7889 (output_value_format, value_format): Take a dw_attr_ref.
7890 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
7891 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
7892 AT_addr, AT_lbl): New fns.
7893 (various): Use them.
7894 (various): Constify.
7896 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7898 * combine.c (combine_simplify_rtx): When handling a SUBREG,
7899 take SUBREG_WORD into account.
7900 (if_then_else_cond): Likewise.
7902 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
7904 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
7905 clause from BSD license, pursuant with
7907 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
7909 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
7911 * loop.c (load_mems): Reformat slightly.
7912 * basic-block.h (regset_head): New typedef.
7913 (INIT_REG_SET): New macro.
7915 1999-11-22 Bruce Korb <autogen@linuxbox.com
7917 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
7918 (mips-dec-bsd*): non-functional code
7919 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
7921 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
7922 added three replacement fixes
7923 (no_double_slash): removed comments that are not (any longer) pertinent
7924 (bad_lval): this fix currently runs against many files.
7925 The comment seems to indicate that we should select for files
7926 containing 'pragma extern_prefix'.
7928 * fixinc/fixinc.x86-linux-gnu: deleted
7929 * fixinc/inclhack.sh: regen
7930 * fixinc/fixincl.x: regen
7931 * fixinc/fixincl.sh: regen
7933 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
7935 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
7936 its code is INSN and it has no notes.
7938 1999-11-22 Andrew Haley <aph@cygnus.com>
7940 * varasm.c (function_defined): Remove.
7941 (make_function_rtl): Don't set function_defined.
7942 (make_decl_rtl): Remove global register warning.
7943 * regclass.c (no_global_reg_vars): New variable.
7944 (globalize_reg): Warn if function has already been defined.
7945 (regclass_init): Set no_global_reg_vars.
7947 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7949 * regclass.c (reg_pref): New structure and static variable
7950 (prefclass): Delete.
7952 (all uses of prefclass and altclass): Use reg_pref instead.
7954 1999-11-21 Nick Clifton <nickc@cygnus.com>
7956 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
7958 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
7959 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
7960 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
7962 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
7964 * varasm.c (output_constructor): Solve problem with long long
7965 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
7967 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
7969 * global.c (allocno): New structure and static variable.
7970 (allocno_reg): Remove, all references replaced by allocno.
7971 (allocno_size): Likewise.
7972 (hard_reg_conflicts): Likewise.
7973 (hard_reg_preferences): Likewise.
7974 (hard_reg_copy_preferences): Likewise.
7975 (hard_reg_full_preferences): Likewise.
7976 (regs_someone_prefers): Likewise.
7977 (allocno_calls_crossed): Likewise.
7978 (allocno_n_refs): Likewise.
7979 (allocno_live_length): Likewise.
7980 (find_reg): Rename ALLOCNO to NUM.
7982 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
7984 (may_move_out_cost): New variable.
7985 (init_reg_sets_1): Initialize may_move_out_cost.
7986 (record_reg_classes): Use may_move_out_cost.
7988 * regclass.c (dump_regclass): New function.
7989 (regclass): New parameter DUMP, call DUMP_REGCLASS.
7990 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
7991 pass rtl_dump_file to regclass.
7992 * rtl.h (regclass): Update prototype.
7994 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
7996 * i386.md (neg, not and abs patterns): Revmap to use
7997 ix86_expand_unary_operator and ix86_unary_operator_ok.
7998 (add?f and sub?f expanders): Force operand 1 to register.
7999 * i386.c (ix86_expand_unary_operator): Rewrite.
8000 (ix86_unary_operator_ok): Ensure that memory operands
8002 (ix86_binary_operator_ok): Do not allow operand 1 to
8003 come into memory and operand 0 not.
8004 (ix86_expand_binary_operator): Ensure that
8005 src1 is not non-matching memory.
8007 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
8008 to support integer registers and memory.
8009 (abss?2_integer): Likewise.
8011 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
8012 (REG_CLASS_NAMES): Likewise.
8013 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
8015 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
8016 (movsf): Likewise; unify 4th and 5th alternative.
8018 (movdf_1): Likewise; rename to movdf_integer.
8019 (pushxf): Likewise; rename to pushxf_integer; fix output template;
8020 remove redundant splitter.
8021 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
8022 (movdf_nointeger): New.
8023 (movxf_nointeger): New.
8024 (pushxf_nointeger): New.
8026 * i386.md (extend?f?f): Split to expander and pattern, refuse two
8027 memory operands in patterns.
8028 (fop*): Refuse two memory operands.
8030 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
8031 on !TARGET_USE_CLTD CPUs.
8033 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
8035 * extend.texi: Document C++ restricted pointers and references.
8037 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
8039 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
8040 (invalidate_skipped_set): Call it unconditionally.
8041 (cse_set_around_loop): Likewise.
8043 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
8045 * rtl.texi (mem): Add documentation for alias-set argument
8048 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
8050 * i386.h (struct_processor_costs): New fields int_load, int_store,
8051 fp_move, fp_load and fp_store
8052 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
8054 (MEMORY_MOVE_COST): New macro.
8055 * i386.c (386_cost): Define new fields.
8056 (i486_cost): Likewise.
8057 (pentium_cost): Likewise.
8058 (pentiumpro_cost): Likewise.
8059 (k6_cost): Likewise.
8061 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
8062 Geoffrey Keating <geoffk@cygnus.com>
8064 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
8066 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
8069 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
8070 (TARGET_STRICT_ALIGNMENT): New macro.
8071 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
8072 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
8073 * invoke.texi (M680x0 Options): Document -mstrict-align.
8075 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
8076 Richard Henderson <rth@cygnus.com>
8078 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
8079 (ix86_split_long_move): Declare.
8080 * i386.c (split_xf, ix86_split_movdi): Remove.
8081 (ix86_split_to_parts, ix86_split_long_move): New.
8082 * i386.md (dimode move splitters): Use ix86_split_long_move.
8083 (dfmode move splitters): Likewise.
8084 (xfmode move splitters): Likewise.
8085 (movsf_1): Allow F->r.
8086 (movdf_1, movxf_1): Allow F->ro.
8088 1999-11-17 Mark Mitchell <mark@codesourcery.com>
8090 * except.h (struct eh_entry): Add goto_entry_p.
8091 (eh_region_from_symbol): Remove prototype.
8092 * except.c (find_func_region_from_symbol): New function.
8093 (emit_cleanup_handler): Likewise.
8094 (eh_region_from_symbol): Make it static.
8095 (add_new_handler): Verify the argument.
8096 (find_func_region): Update comment.
8097 (expand_eh_region_end): Expand handlers here, rater than waiting
8098 until expand_leftover_cleanups or start_all_catch.
8099 (expand_leftover_cleanups): Don't expand here.
8100 (expand_start_all_catch): Or here.
8101 (expand_rethrow): Check the return value from find_func_region.
8102 * function.c (expand_function_end): Emit the catch_clauses.
8104 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
8106 * integrate.c (expand_inline_function): Add necessary check for NULL.
8108 1999-11-18 Nick Clifton <nickc@cygnus.com>
8110 * toplev.c (main): Correctly detect an unrecognised option.
8112 * cppinit.c (cpp_handle_option): Do not claim to have consumed
8113 a -f option if it has not been recognised.
8115 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
8117 * basic-block.h (update_life_extent): Remove trailing comma on
8118 enumeration type list.
8120 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8122 * varasm.c (output_constructor) Solved problem with long long
8123 bitfields. Corrected calculating this_time and shift. Also
8124 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
8126 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
8128 * flow.c (split_edge): Take looping structure into account when
8129 determining where to put the new block note.
8131 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
8133 * Makefile.in (ggc-none.o): Provide host specific version if
8136 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
8138 * cse.c (delete_trivially_dead_insns): Identify no-op insns
8139 containing subregs too.
8141 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
8143 * invoke.texi: Add documentation for -muninit-const-in-rodata.
8144 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
8145 (TARGET_UNINIT_CONST_IN_RODATA): Define.
8146 (text_section): Add switches -munint-const-in-rodata and
8147 -mno-uninit-const-in-rodata.
8148 (ASM_OUTPUT_COMMON): Remove.
8149 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
8150 const objects should be placed in read-only data. Otherwise declare
8153 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
8155 * jump.c (jump_optimize_1): Revert last change.
8157 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
8159 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
8160 test if optimizing for size.
8162 1999-11-17 Mark Mitchell <mark@codesourcery.com>
8164 * Makefile.in (toplev.o): Depend on except.h.
8165 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
8167 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
8169 * i386.md (divmodsi4): Rewrite to expander.
8170 (*divmodsi4_nocltd): New.
8171 (*divmodsi4_cltd): New.
8172 (divmodsi4 splitter): Handle the case when input comes in edx.
8173 (udivmodhi4): Do not use constraints in exander.
8174 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
8176 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
8178 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
8179 for the common case.
8181 1999-11-16 Jakub Jelinek <jakub@redhat.com>
8183 * explow.c (hard_function_value): Add outgoing argument.
8184 * expr.h (hard_function_value): Declare it.
8185 * calls.c (expand_call, emit_library_call_value): Update callers.
8186 * function.c (aggregate_value_p): Ditto.
8187 (diddle_return_value): Must look at the outgoing registers
8188 on archs with register windows.
8190 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
8192 * alpha.c (alpha_build_va_list): Use make_lang_type and
8193 initialize TYPE_NAME for the va_list record.
8195 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
8197 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
8199 * ggc.h (struct ggc_statistics): Rearrange elements for better
8200 packing on 64-bit hosts.
8201 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
8202 (compute_nearerout): Likewise.
8204 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
8206 * config/rs6000/rs6000.c (first_reg_to_save): Save
8207 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
8209 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
8211 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
8212 notion of nesting to find the DIE for a type or function.
8213 DIEs can go in limbo even if we got a context_die.
8214 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
8215 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
8217 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
8218 (gen_type_die): Writing out the context doesn't cause member class
8219 template instantiations to be written out as well.
8221 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
8223 * rs6000.h (ASM_OUTPUT_DEF): New.
8224 Based on proposed addition from David Edelsohn.
8226 1999-11-15 Robert Lipe <RobertLipe@usa.net>
8227 Bruce Korb <autogen@linuxbox.com>
8229 * fixinc/inclhack.def
8230 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
8231 (unixware7_byteorder_fix): added. Removes conflicts for new defs
8233 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
8234 (svr4_endian): enabled with SVR5
8235 (svr4_mkdev): simplified syntax and enabled with SVR5
8237 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
8239 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
8240 * configure: Rebuilt.
8241 * config/t-freebsd-thread: New file.
8243 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
8245 * i386.c (ix86_decompose_address): Verify the base is a REG
8246 before trying to examine its register number.
8248 * basic-block.h: Remove all #defines and prototypes related to
8250 (free_bb_mem, compute_preds_succs): Remove prototype.
8251 * rtl.h (free_bb_mem): Remove prototype.
8252 * flow.c (alloc_int_list_node); Remove function.
8253 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
8254 (compute_preds_succs, free_bb_mem): Likewise.
8255 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
8256 * toplev.c (rest_of_compilation): Likewise.
8257 * haifa-sched.c (build_control_flow): Use flow generated edge
8258 list to build the haifa specific edge list.
8259 (find_rgns): Use new CFG data structures instead of pred/succ lists.
8260 (schedule_insns): Do not build pred/succ lists anymore. Instead
8261 build the edge table.
8263 * basic-block.h (dump_bb_data): Remove declaration.
8264 * flow.c (dump_bb_data): Remove function.
8265 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
8266 (sbitmap_union_of_predsucc): Likewise.
8268 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
8269 argument. All callers changed.
8270 (delete_null_pointer_checks_1): No longer need to compute the
8273 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
8274 All callers changed.
8275 (pre_expr_reaches_here_p_work): Likewise.
8276 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
8277 * lcm.c (compute_laterin): Fix initialization of LATER.
8278 (compute_nearerout): Similarly for NEARER.
8280 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8282 * cse.c (set_nonvarying_address_components): Delete unused function.
8283 (refers_to_p): Likewise.
8285 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
8287 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
8290 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8292 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
8293 definition in do while (0).
8295 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
8297 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
8299 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
8301 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
8303 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
8305 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
8306 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
8307 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
8308 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
8310 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
8311 saved on the stack. Output more accurate stack frame statistics
8312 into assembler file.
8314 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
8316 * genextract.c (record_insn_name): New function.
8317 (get_insn_name): No longer a stub.
8318 (main): Call record_insn_name for each insn. After each label
8319 written, print the insn name in a comment.
8321 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8323 * output.h (const_section, init_section, fini_section): Add
8326 * alpha/elf.h (const_section): Delete declaration.
8328 * svr4.h (const_section): Likewise.
8330 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
8332 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
8333 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
8334 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
8336 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
8337 variable-sized array bounds.
8339 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
8341 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
8344 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8346 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
8347 addresses the same way GO_IF_LEGITIMATE_INDEX does.
8349 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8351 * cse.c (hash_arg_in_struct): Delete.
8352 (struct table_elt): Delete elt in_struct.
8353 (struct set): Delete elt src_in_struct.
8354 (merge_equiv_classes): Don't set either hash_arg_in_struct or
8355 the corresponding in_struct elts.
8356 (canon_hash): Likewise.
8357 (safe_hash): Likewise.
8358 (find_best_addr): Likewise.
8359 (record_jump_cond): Likewise.
8360 (cse_insn): Likewise.
8362 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
8364 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
8366 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
8369 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
8371 * function.c (diddle_return_value): Put back check that the DECL_RTL
8372 for the function is a register.
8374 * function.c (diddle_return_value): Use hard_function_value to
8375 get an rtx suitable for use in the USE/CLOBBER insn.
8377 * global.c (global_conflicts): Update comments.
8378 (record_conflicts): No need to record conflicts between pseudos here.
8380 1999-11-11 Bruce Korb <autogen@linuxbox.com>
8382 * fixinc/fixincl.c: Added verbose levels for status messages
8384 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8386 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
8387 operand as argument to expand_and or expand_binop.
8389 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
8391 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
8392 gcc_add_string_root.
8394 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
8396 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
8398 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
8400 * flow.c (compute_flow_dominators): Initially put all blocks on
8402 * lcm.c (compute_antinout_edge, compute_available): Similarly.
8403 * gcse.c (compute_cprop_avinout): Remove.
8404 (compute_cprop_data): Use compute_available.
8405 (delete_null_pointer_checks_1): Use compute_available.
8407 * basic-block.h (compute_available): Returns a void now.
8408 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
8409 to return a value anymore.
8410 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
8411 worklists. Fix boundary cases. Compute maximal solutions.
8412 (compute_laterin, compute_nearerout): Similarly.
8414 * dwarf2out.c (add_AT_location_description): Allow
8415 (mem (plus (pseudo) (...)) too.
8417 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
8419 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
8421 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
8422 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8424 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
8426 * gansidecl.h: Likewise.
8432 * toplev.h: Likewise.
8438 * varray.c: Likewise.
8440 * varray.h: Likewise.
8442 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
8444 * gcov.c (struct arcdata): Add hits and total, remove prob.
8445 (output_branch_counts): New.
8446 (process_args): Set output_branch_counts if -c.
8447 (calculate_branch_probs): Store hits and total instead of
8449 (output_data): Emit counts if output_branch_counts is true.
8450 * gcov.texi (Invoking Gcov): Document -c switch..
8452 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
8454 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
8455 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
8457 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
8459 * invoke.texi (C Dialect Options): Add missing builtins from
8461 * extend.texi (Other Builtins): Copy to this list.
8463 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8465 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
8466 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
8469 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
8471 * flow.c (compute_flow_dominators): No longer treat basic block 0
8472 or (n_basic_blocks - 1) specially. Clear the AUX field before
8473 starting computation of doms/pdoms. Fix initial state for pdoms.
8475 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8477 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
8478 match rtl.o's: added ggc.h and toplev.h
8479 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
8480 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
8481 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
8483 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
8485 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
8486 from HAVE_DOS_BASED_FILESYSTEM.
8487 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
8488 HAVE_DOS_BASED_FILESYSTEM.
8490 (split_directories): Only special-case DOS file names if
8491 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
8492 instead of explicit tests. Conditionalize on !VMS.
8493 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
8494 tests. Conditionalize on !VMS.
8495 (process_command): Only use make_relative_prefix if !VMS.
8496 (free_split_directories): Conditionalize on !VMS.
8497 (DIR_UP): Conditionalize on !VMS.
8499 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
8501 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
8503 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
8505 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
8508 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
8510 * invoke.texi (Environment Variables): Document relative path
8512 * gcc.c (DIR_UP): If not defined, define as "..".
8513 (standard_bindir_prefix): New static, holds target location to
8515 (split_directories): New function to split a filename into
8516 component directories.
8517 (free_split_directories): New function, release memory allocated
8518 by split_directories.
8519 (make_relative_prefix): New function, make a relative pathname if
8520 the compiler is not in the expected location.
8521 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
8522 can figure out an appropriate prefix from argv[0].
8523 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
8524 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
8525 STANDARD_BINDIR_PREFIX.
8527 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8529 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
8531 * config/c4x/c4x.h: Moved prototypes to c4x.h.
8532 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
8533 c4x_secondary_memory_needed) Delete.
8534 (fp_zero_operand): Add mode argument.
8536 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
8538 * reload1.c (reload_reg_free_for_value_p): Don't use a register
8539 that is in reload_reg_used.
8541 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
8543 * config/arm/arm-protos.h: New file: Prototypes for functions
8544 defined in arm.c and pe.c.
8545 * config/arm/arm.h: Fix compile time warnings.
8546 * config/arm/arm.c: Fix compile time warnings.
8547 * config/arm/pe.h: Fix compile time warnings.
8548 * config/arm/aout.h: Fix compile time warnings.
8550 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
8552 * config/m32r/m32r-protos.h: New file: Prototypes for functions
8555 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
8556 Add support for subtargets.
8557 Add prototypes for new predicates.
8558 Add scheduling macros.
8560 * config/m32r/m32r.c: Fix compile time warnings.
8561 (int8_operand): New predicate function.
8562 (reg_or_cmp_int16_operand): New predicate function.
8563 (extend_operand): New predicate function.
8564 (m32r_adjust_code): New scheduling function.
8565 (m32r_adjust_priorty): New scheduling function.
8566 (m32r_sched_init): New scheduling function.
8567 (m32r_sched_reorder): New scheduling function.
8568 (m32r_sched_variable_issue): New scheduling function.
8569 (direct_return): New codegen function.
8570 (m32r_not_same_reg): New rtl testsing function.
8572 * config/m32r/m32r.md: Fix compile time warnings.
8573 Add support for pre decrement and post increment memory
8578 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8580 * global.c (EXECUTE_IF_CONFLICT): Don't define.
8581 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
8582 (find_reg): Likewise.
8584 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
8586 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
8587 to avoid assembler errors.
8589 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
8591 * config/v850/v850-protos.h: New file: Prototypes for functions
8593 * config/v850/v850.h: Move prototypes to v850-protos.h
8594 * config/v850/v850.c: Move prototypes to v850-protos.h
8595 * config/v850/v850.md: Fix compile time warnings.
8597 * config/fr30/fr30-protos.h: New file: Prototypes for functions
8599 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
8600 * config/fr30/fr30.c: Fix compile time warnings.
8601 * config/fr30/fr30.md: Fix compile time warnings.
8603 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
8605 * tree.h (get_containing_scope): Declare it.
8606 * tree.c (get_containing_scope): New fucntion.
8607 (decl_function_context): Use it.
8608 * toplev.c (rest_of_compilation): Use get_containing_scope.
8610 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8612 * Makefile.in (rtl.o): Depend on toplev.h.
8614 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
8616 * cse.c (delete_trivially_dead_insns): Replace alloca with
8618 * except.c (update_rethrow_references): Likewise.
8619 (init_eh_nesting_info): Likewise.
8620 * function.c (identify_blocks): Likewise.
8621 * gcse.c (dump_hash_table): Likewise.
8622 * graph.c (print_rtl_graph_with_bb): Likewise.
8623 * loop.c (combine_movables): Likewise.
8624 (move_movables): Likewise.
8625 (count_loop_regs_set): Likewise.
8626 (strength_reduce): Likewise.
8627 * profile.c (compute_branch_probabilities): New function, split
8629 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
8630 * regclass.c (regclass): Likewise.
8631 * regmove.c (regmove_optimize): Likewise.
8632 * toplev.c (compile_file): Likewise.
8633 (main): Don't mess with the stack rlimit.
8635 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
8637 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
8638 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
8640 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
8642 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
8644 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
8646 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
8647 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
8650 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
8652 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
8654 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
8656 * gcse.c (post_dominators): Kill.
8657 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
8658 (compute_code_hoist_data): Use compute_flow_dominators. Do not
8659 pass in a pdom array since we do not need pdoms.
8660 * haifa-sched.c (schedule_insns): Similarly.
8661 * flow.c (compute_dominators): Remove dead function.
8662 (compute_flow_dominators): Do not compute doms or pdoms if the
8663 caller does not request them. Split up loop to build doms and
8664 pdoms. Use a worklist to compute doms and pdoms.
8665 * basic-block.h (compute_dominators): Remove prototype.
8667 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
8669 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
8670 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
8671 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
8672 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
8673 (cant_move, fed_by_spec_load, is_load_insn): Remove.
8674 (schedule_region): Remove unused variable.
8675 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
8677 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
8679 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
8680 (update_equiv_regs): Likewise.
8681 (block_alloc): Likewise.
8682 * reg-stack.c (reg_to_stack): Likewise.
8683 (convert_regs_2): Likewise.
8684 * reload1.c (reload_as_needed): Likewise.
8686 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
8688 * Makefile.in (dbxout.o): Depend on ggc.h.
8689 (dwarf2out.o): Likewise.
8690 (xcoffout.o): Likewise.
8691 * dbxout.c: Include ggc.h.
8692 (dbxout_init): Register lastfile as a root.
8693 * dwarf2out.c: Include ggc.h.
8694 (dwarf2out_line): Register lastfile as a root.
8695 * xcoffout.c: Include ggc.h.
8696 (xcoffout_source_line): Register xcoff_lastfile as a root.
8698 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
8700 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
8702 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
8704 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
8706 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
8708 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8710 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
8711 (EXECUTE_IF_CONFLICT): Likewise.
8712 (ALLOCNO_LIVE_P): Avoid signed division.
8713 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
8714 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
8715 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
8717 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
8719 * haifa-sched.c (schedule_block): Don't crash if there's no
8720 next insn for an interblock movement.
8721 (add_branch_dependences): Don't allow clobber insns to move either.
8723 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
8725 * i386.c (split_xf): New.
8726 * i386-protos.h: Declare it.
8727 * i386.md (movxf_1): Add general regs alternatives.
8728 (movxf_1+1): New splitter for same.
8730 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
8732 * function.c (purge_addressof_1): Add missing return values.
8734 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
8736 * function.c (is_addressof): New function. Returns true if
8737 the given piece of RTL is an ADDRESSOF.
8738 (purge_addressof_1): Make boolean. Return false if the
8739 ADDRESSOFs could not be purged.
8740 (purge_addressof): If ADDRESSOFs could not be purged from the
8741 notes attached to an insn, remove the offending note(s),
8742 unless they are attached to a libcall.
8744 1999-11-05 Andreas Jaeger <aj@suse.de>
8746 * genoutput.c (null_operand =): Initialize all fields.
8748 * errors.h: Add extern to prototypes.
8750 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
8752 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
8753 * configure: Rebuilt.
8755 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8757 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
8758 (mirror_conflicts): New function.
8759 (global_alloc): Call it.
8760 (expand_preferences): Remove redundant CONFLICTP test.
8761 (find_reg, dump_conflicts): Likewise.
8762 (prune_preferences): Process conflicts one word at a time.
8764 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
8766 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
8767 instead of an explicit loop.
8769 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
8771 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
8772 if REG_RETVAL check succeeds, then put classp in src_elt.
8774 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
8776 * function.c (pad_to_arg_alignment): Only update argument_pad
8777 if the argument's alignment is greater than STACK_BOUNDARY.
8779 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
8781 * bitmap.h (BITMAP_XFREE): New.
8782 * flow.c (life_analysis): Use it.
8783 (life_analysis_1): Free blocks.
8785 * combine.c (undo_commit): New.
8786 (try_combine): Use it. Don't zap undobuf.undos.
8787 (combine_instructions): Don't zap undobuf.undos; free the
8790 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
8792 * stmt.c (cost_table_): New.
8793 (estimate_case_costs): Use it instead of xmalloc.
8795 * toplev.c (compile_file): Reuse dumpname memory instead
8798 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
8800 * reg-stack.c (convert_regs_1): Initialize target_stack->top
8801 after verifying an EH edge.
8803 * haifa-sched.c (init_rgn_data_dependences): Correctly
8804 size bb_pending_lists_length when zeroing.
8806 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
8808 * function.c (diddle_return_value): New.
8809 (expand_function_end): Use it.
8810 * stmt.c (expand_null_return): Likewise.
8811 (expand_value_return): Likewise.
8813 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
8815 * reload1.c (reload): Don't remove return value clobbers.
8817 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
8819 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
8821 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
8823 * cse.c (cse_main): Use xmalloc, not alloca.
8824 (cse_basic_block): Likewise.
8825 * local-alloc.c (local_alloc): Likewise.
8827 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
8828 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8830 * rtl.c: Include toplev.h.
8831 (fatal): Remove declaration.
8833 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
8835 * haifa-sched.c (schedule_block): Fix thinko.
8837 1999-11-03 James McKelvey <mckelvey@fafnir.com>
8839 * fixinc/fixincl.c(create_file): Allow for systems that do not have
8840 S_IR* defined values
8842 1999-11-03 Philippe De Muyter <phdm@macqel.be>
8844 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
8845 call `malloc' instead.
8847 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
8849 * flags.h (flag_renumber_insns): Declare.
8850 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
8852 * rtl.h (renumber_insns): Change prototype.
8853 * toplev.c (flag_renumber_insns): Define.
8854 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
8856 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
8858 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
8859 and fpsqrtd. Use them and create fdiv function unit to more
8860 accurately represent fpu sqrt pipeline semantics on UltraSparc.
8861 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
8863 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
8865 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
8867 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
8868 insn into ready list, do not use just a raw swap.
8870 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
8872 * rtl.h (renumber_insns): New function.
8873 (remove_unnecessary_notes): Likewise.
8874 * emit-rtl.c (renumber_insns): Define.
8875 (remove_unncessary_notes): Likewise.
8876 * toplev.c (rest_of_compilation): Remove dead code.
8877 Use renumber_insns and remove_unncessary_notes.
8879 * gcse.c (struct null_pointer_info): New type.
8880 (get_bitmap_width): New function.
8881 (current_block): Remove.
8882 (nonnull_local): Likewise.
8883 (nonnull_killed): Likewise.
8884 (invalidate_nonnull_info): Take a null_pointer_info as input.
8885 (delete_null_pointer_checks_1): New function.
8886 (delete_null_pointer_checks): Use it.
8888 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
8889 (split_edges): Likewise.
8890 (schedule_block): Likewise.
8891 (compute_block_backward_dependencies): Likewise.
8892 (schedule_region): Likewise.
8893 (schedule_insns): Likewise.
8895 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
8897 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
8898 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
8899 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
8900 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
8901 * jump.c (delete_unreferenced_labels): Don't delete if
8902 LABEL_ALTERNATE_NAME is set.
8903 * print-rtl.c (print_rtx): Dump alternate name.
8904 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
8905 * rtl.h (LABEL_ALTERNATE_NAME): Define.
8906 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
8907 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
8909 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8911 * fix-header.c (recognized_extern, recognized_function): Constify
8914 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
8915 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
8916 (compute_available): Remove unused variable `last'.
8917 (compute_nearerout): Remove unused variable `temp_bitmap'.
8918 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
8919 Remove unused variable `x'.
8921 * scan.h (recognized_function, recognized_extern): Constify a
8924 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
8926 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8928 * varasm.c (decode_rtx_const): Use XSTR to access the string
8931 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
8933 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
8935 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8937 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
8939 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
8941 * pa.c (ireg_operand): New function.
8942 * pa.h (PREDICATE_CODES): Handle ireg_operand.
8943 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
8944 Fix out of date comment.
8946 * pa.md (negdi2): Turn into expander + anonymous pattern.
8948 * reload.c (find_reloads): Fix typos in recent change.
8950 * dwarf2out.c: Do not include ctype.h.
8952 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8954 * regclass.c (record_reg_classes): Always use may_move_cost when
8955 seeing how operand fits with various register classes.
8957 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
8959 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
8960 * toplev.c: Revert Nov 1 13:22 change.
8962 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
8964 * config/pa/pa.md (height reduction patterns): Add checks for
8965 overlapping operands to avoid semantic-destroying splits for
8966 height reduction patterns.
8968 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8970 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
8971 have been an hyphen, fixed.
8972 * configure: Rebuilt.
8974 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
8976 * config/arm/tpe.h: Add prototypes for exported functions.
8977 * config/arm/pe.c: Fix compile time warnings.
8978 * config/arm/semi.h: Fix compile time warnings.
8979 * config/arm/arm.c: Fix compile time warnings.
8980 * config/arm/arm.h: Fix compile time warnings.
8981 * config/arm/arm.md: Fix compile time warnings.
8982 * config/arm/thumb.c: Fix compile time warnings.
8983 * config/arm/thumb.h: Fix compile time warnings.
8984 * config/arm/thumb.md: Fix compile time warnings.
8986 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
8988 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
8991 * unroll.c (unroll_loop): Remove LOOP notes when loop is
8992 completely unrolled.
8994 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8996 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
8998 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
9000 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
9001 * rtl.h (rtx_equal_p): Move prototype.
9002 * rtl.c (rtx_equal_function_value_matters): Move from
9004 (rtx_equal_p): Likewise.
9005 * rtlanal.c (rtx_equal_function_value_matters): Delete.
9006 (rtx_equal_p): Likewise.
9008 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
9010 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
9013 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
9015 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
9017 * pa.h (ADDR_VEC_ALIGN): Define.
9019 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
9020 notes when presented with "if (foo) break; end_of_loop" and
9021 the break sequence gets moved out of the loop.
9023 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
9024 Remove explicit zero initializations of entries within MAP.
9026 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
9028 * reg-stack.c (convert_regs_1): Handle EH edges specially.
9030 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
9032 * bitmap.h (BITMAP_XMALLOC): New macro.
9033 * flow.c (CLEAN_ALLOCA): Remove.
9034 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
9035 (life_analysis): Likewise.
9036 (update_life_info): Don't use CLEAN_ALLOCA.
9037 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
9038 (calculate_global_regs_live): Likewise.
9039 (print_rtl_with_bb): Likewise.
9040 (verify_flow_info): Likewise.
9041 * global.c (global_alloc): Likewise.
9042 (global_conflicts): Likewise.
9043 * integrate.c (save_for_inline_nocopy): Likewise.
9044 (expand_inline_function): Likewise.
9045 * jump.c (jump_optimize_1): Likewise.
9046 (duplicate_loop_exit_test): Likewise.
9047 (thread_jumps): Likewise.
9048 * loop.c (loop_optimize): Likewise.
9049 (combine_givs): Likewise.
9050 (recombine_givs): Likewise.
9051 * reorg.c (dbr_schedule): Likewise.
9052 * unroll.c (unroll_loop): Likewise.
9054 * combine.c (combine_instructions): Use xmalloc instead of alloca.
9056 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
9058 * toplev.c (rest_of_compilation): Don't optimize the CFG
9059 when rebuilding, just before dbr.
9061 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9063 * output.h (assemble_end_function, assemble_destructor,
9064 assemble_constructor, assemble_gc_entry, assemble_global,
9065 assemble_label, output_constant_pool) Constify a char*.
9067 * varasm.c (assemble_destructor, assemble_constructor,
9068 assemble_gc_entry, assemble_end_function, assemble_global,
9069 assemble_label, output_constant_pool): Likewise.
9071 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
9073 * config/arm/thumb.c (thumb_expand_prologue): Add comments
9074 explaining what is goin on in this function.
9076 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9078 * regclass.c (record_reg_classes): In matching case, recompute
9079 costs since the direction of movement is different.
9081 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
9083 * resource.c (mark_target_live_regs): For unconditional branches,
9084 the resources found at the branch target should be added to the
9085 resources found so far, not intersected.
9087 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
9089 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
9091 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
9092 (sys/mman.h): Include this file only if #HAVE_MMAP.
9093 (run_compiles): Initialize `esac_fmt' with one old KR string, not
9094 with automatically concatenated ANSI strings.
9096 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
9098 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
9099 (DIV_ROUND_UP): Robustify.
9100 (ggc_recalculate_in_use_p): New function.
9101 (release_pages): Don't inline it.
9102 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
9104 (ggc_pop_context): Use ggc_recalculate_in_use_p.
9105 (clear_marks): Always save in_use_p.
9106 (sweep_pages): Use ggc_recalculate_in_use_p.
9107 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
9108 Release pages before counting statistics.
9110 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
9112 * toplev.c (rest_of_compilation): Fix thinko in this change:
9114 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
9116 (rest_of_compilation): If inside an inlined external function,
9117 pretend we are just being declared.
9119 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
9121 * flow.c (calculate_global_regs_live): Fix thinko.
9123 * integrate.c (expand_inline_function): Fix bugs in previous
9124 change from Oct 28, 1999.
9126 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
9128 * stmt.c (expand_value_return): Fix typo in this change:
9130 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9131 (expand_value_return): Correctly convert VAL when promoting function
9132 return; support RETURN_REG being a PARALLEL.
9134 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
9136 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
9138 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9140 * hard-reg-set.h (reg_names): Constify a char*.
9142 * regclass.c (reg_names): Likewise.
9144 * regs.h (reg_names): Likewise
9146 * a29k/a29k.c (reg_names): Delete declaration.
9148 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
9150 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
9151 arc_output_function_epilogue): Likewise.
9153 * elxsi/elxsi.c (reg_names): Likewise.
9155 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
9157 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
9160 * m88k/m88k.c (output_function_profiler): Likewise.
9162 * sparc/sparc.c (sparc_flat_output_function_prologue,
9163 sparc_flat_output_function_epilogue): Likewise.
9165 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
9167 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
9168 warning from -Wuninitialized and put it under -W.
9169 * function.c (uninitialized_vars_warning): Warn only when the
9170 corresponding flag is set.
9172 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
9174 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
9175 is nonzero and the single set does not have an elt, then assign
9178 * simplify-rtx.c: New file.
9179 * Makefile.in (OBJS): Add simplify-rtx.o
9180 (simplify-rtx.o): Add dependencies.
9181 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
9182 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
9183 (cse_gen_binary, simplify_unary_operation): Delete.
9184 (simplify_binary_operation, simplify_plus_minus): Likewise.
9185 (check_fold_consts, simplify_relation_operation): Likewise.
9186 (simplify_ternary_operation): Likewise.
9187 (delete_trivially_dead_insns): Simplify the contents of the
9188 REG_EQUAL note before trying to substitute it into the source
9189 of the reg-reg copy at the end of a libcall sequence.
9191 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
9192 references/callers changed.
9194 * mn10200.c (mn10200_va_arg): Force the return value into a
9197 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
9199 * cccp.c (macroexpand): Avoid out of range accesses for omitted
9202 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
9204 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
9206 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
9208 * fold-const.c (fold): Fix thinko when optimizing comparisons
9211 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
9213 * gcc.texi (Passes): Update front-end files to their current
9216 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
9218 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
9219 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
9220 (PREDICATE_CODES): Add addition_operation.
9221 * alpha-protos.h (addition_operation): Declare.
9222 (secondary_reload_class): Likewise.
9223 * alpha.c (addition_operation): New.
9224 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
9225 * alpha.md (adddi3): Turn into expander.
9226 (*lda, *adddi_2): New.
9227 (movsf, movdf patterns): Don't preference integer regs.
9228 (movsi, movdi patterns): Don't preference fp regs.
9230 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
9232 * genrecog.c (write_switch): Check for duplicate CODE cases.
9234 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
9236 * ggc-common.c: Update pre-function commentary.
9237 * ggc-page.c: Likewise.
9239 (poison_pages): Use memset directly.
9240 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
9241 (ggc_collect): Poison before sweeping.
9242 * ggc-simple.c: Update pre-function commentary.
9243 (ggc_alloc_obj): Poison non-zeroed memory.
9245 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
9247 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
9248 match format string, even on 64-bit hosts.
9249 * gcc-page.c (ggc_page_print_statistics): Likewise.
9251 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
9253 * config/i386/i386.c (ix86_cpu): Revert last patch.
9254 * config/i386/i386.h (ix86_cpu): Ditto.
9256 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
9258 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
9259 TYPE_SIZE, convert type of result to sizetype.
9261 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
9263 * flow.c (count_or_remove_death_notes): Equate NULL with the
9266 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
9267 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
9270 * i386.c (pic_label_no): Delete.
9271 (ix86_attr_length_default): Don't use single_set to peek
9274 * recog.c (peephole2_optimize): Allow recog_next_insn to index
9275 the first insn after bb->end.
9276 * i386.md (push mem peeps): Scratch is live after evaluation
9278 (cmp mem peep): Similarly.
9280 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
9282 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
9283 * function.c (pad_to_arg_alignment): Add missing braces.
9285 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9287 * alpha/alpha-protos.h (literal_section): Add prototype.
9288 (alpha_need_linkage, alpha_start_function,alpha_end_function):
9291 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
9293 (alpha_start_function, alpha_end_function, float_strings,
9294 alpha_need_linkage): Constify a char*
9296 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
9298 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
9300 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9302 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
9304 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9306 * flow.c (debug_flow_info): Add prototype.
9308 * gcc.c (main): Likewise.
9310 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
9313 * reload1.c (failed_reload, set_reload_reg): Likewise.
9315 * mips-tfile.c (main): Likewise.
9316 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
9317 with ATTRIBUTE_NORETURN.
9319 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
9321 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
9322 DECL is not a memory ref.
9324 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
9326 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
9327 * config/i386/i386.c (ix86_cpu): Add extern attribute.
9329 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
9331 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
9332 * config/mips/elf64.h: ditto.
9334 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
9336 * expr.c (emit_push_insn): New argument alignment_pad.
9337 Update all callers. Adjust stack pointer based on alignment pad.
9338 * function.c (pad_to_arg_alignment): New argument alignment_pad.
9339 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
9340 (locate_and_pad_parm): New argument alignment_pad. Update all
9342 * expr.h (emit_push_insn): Update prototype.
9343 (locate_and_pad_parm): Update prototype.
9344 * calls.c (arg_data): Add new field alignment_pad.
9345 (initialize_argument_information): Initialize alignment_pad.
9347 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
9349 * except.c (free_eh_nesting_info): Free the info itself.
9350 * function.c (free_after_compilation): Don't free NULL.
9351 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
9352 (pre_edge_insert): Free inserted.
9353 * stmt.c (free_stmt_status): Don't free NULL.
9355 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
9357 * gcov.c (DIR_SEPARATOR): Provide default.
9358 (output_data): Add test for MS-DOS format absolute filename.
9359 (fancy_abort): Correct program name.
9360 (open_files): Open all files in binary mode.
9361 * libgcc2.c (__bb_exit_func): Likewise.
9363 * profile.c (init_branch_prob): Specify binary when opening files.
9365 * flags.h (flag_unwind_tables): New decl.
9366 * toplev.c (flag_unwind_table): New definition.
9367 (f_options): Add -funwind-tables.
9368 (decode_g_option): Clarify warning when unknown -g option is given.
9369 (rest_of_compilation): If inside an inlined external function,
9370 pretend we are just being declared.
9372 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
9373 (dwarf2out_frame_finish): Likewise.
9375 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
9377 * fold-const.c (merge_ranges): If not in0, but in1, handle
9378 upper bounds equal like subset case.
9380 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
9382 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
9383 passed in a register but moved to the stack.
9385 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
9387 * gcc.c (pass_exit_codes, greatest_status): New variables.
9388 (struct option_map): Add entry for "--pass-exit-codes".
9389 (execute): Update greatest_status if error.
9390 (display_help): Add documentation for -pass-exit-codes.
9391 (process_command): Handle -pass-exit-codes.
9392 (main): Look at pass_exit_codes and greatest_status on call to exit.
9394 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9396 * reload.c (find_reloads): Refine test for no input reload
9397 case to not includes reloads emitted after insn.
9399 * function.c (find_temp_slots_from_address): Handle sum involving
9400 a register that points to a temp slot.
9401 (update_temp_slot_address): Make recursive call if both old and
9402 new are PLUS with a common operand.
9403 * calls.c (expand_call): Mark temp slot for result as having
9406 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
9408 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
9409 component as well as "BINUTILS".
9411 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
9412 * integrate.c (copy_rtx_and_substitute): Likewise.
9413 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
9414 All callers changed.
9415 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
9417 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
9418 gdb extensions, write size of type; also be more consistent
9419 in using references when this is a subtype.
9421 * pa.md (extv, extzv, insv): Use define_expand to reject constant
9422 that is out of range.
9424 * loop.c (unknown_constant_address_altered): New variable.
9425 (prescan_loop): Initialize it.
9426 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
9427 (invariant_p, case MEM): Remove handling for volatile and readonly;
9428 check new variable if readonly.
9429 (check_dbra_loop): Chdeck unknown_constant_address_altered.
9431 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
9432 (addr_affects_sp_p): Removed from note_mem_written and only
9433 define #ifdef AUTO_INC_DEC.
9435 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
9437 * regclass.c (record_reg_classes): Properly handle register move
9440 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
9441 Don't think valid if both operands are invalid.
9442 (struct constant_descriptor): New field RTL.
9443 (mark_const_hash_entry): Mark it.
9444 (record_constant{,_rtx}): Initialize it.
9445 (output_constant_def): Allocate RTL in permanent obstack and
9447 ({record,compare}_constant_1): Modes must match for
9448 CONSTRUCTOR of ARRAY_TYPE.
9450 * c-common.h (initializer_constant_valid_p): Delete decl from here.
9451 * output.h (initializer_constant_valid_p): Move decl to here.
9452 * c-common.c (initializer_constant_valid_p): Delete function from here.
9453 * varasm.c (initializer_constant_valid_p): Move function to here.
9455 * tree.h (STRIP_SIGN_NOPS): New macro.
9456 * fold-const.c (optimize_minmax_comparison): New function.
9457 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
9458 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
9459 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
9460 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
9461 widening conversions.
9462 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
9463 to look at size of mode, not precision of type; also add missing cases.
9464 (optimize_bit_field_compare, decode_field_reference): Don't try to
9465 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
9467 * dwarf2out.c (ctype.h): Include.
9468 (dwarf2out_set_demangle_name_func): New function.
9469 (size_of_line_info): Deleted.
9470 (output_line_info): Compute size of line info table from difference
9472 (base_type_die, add_name_attribute): Call demangle function, if any.
9473 (field_byte_offset): Use bits per word for variable length fields.
9474 (gen_array_type_die): Add array name.
9475 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
9476 (dwarf2out_add_library_unit_info): New function.
9478 * explow.c (set_stack_check_libfunc): New function.
9479 (stack_check_libfunc): New static variable.
9480 (probe_stack_range): Allow front-end to set up a libfunc to call.
9482 * combine.c (simplify_comparison): When making comparison in wider
9483 mode, check for having commuted an AND and a SUBREG.
9484 (contains_muldiv): New function.
9485 (try_combine): Call it when dividing a PARALLEL.
9486 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
9487 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
9489 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
9490 use one of the CLOBBERs instead.
9491 (if_then_else_cond): If comparing against zero, just return thing
9494 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
9495 Don't generate shifts and subtract if have conditional arithmetic.
9497 * rtl.h (delete_barrier): New declaration.
9498 * jump.c (jump_optimize): Set up to handle conditional call.
9499 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
9500 (delete_barrier): New function.
9502 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
9504 * recog.c (nonmemory_operand): Accept ADDRESSOF.
9506 * tree.c (build_type_attribute_variant): Push to obstack of
9507 ttype around type_hash_canon call.
9509 * expr.c (placeholder_list): Move decl to file scope.
9510 (expand_expr): Don't force access to volatile just because its
9512 If ignoring reference operations, just expand the operands.
9513 (expand_expr, case COMPONENT_REF): Propagate
9514 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
9515 Refine test for using bitfield operations vs pointer punning.
9516 (expand_expr, case CONVERT_EXPR): If converting to
9517 BLKmode UNION_TYPE from BLKmode, just return inner object.
9518 Use proper mode in store_field call.
9519 Properly set sizes of object to store and total size in store_field
9520 call for convert to union.
9521 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
9522 memory (like for ADDR_EXPR). Also, don't put constant in register if
9523 we'll want it in memory.
9524 (readonly_fields_p): New function.
9525 (expand_expr, case INDIRECT_REF): Call it if LHS.
9526 (expand_assignment): Handle a RESULT_DECL where
9527 DECL_RTL is a PARALLEL.
9528 (do_jump, case WITH_RECORD_EXPR): New case.
9529 (get_inner_reference): Always go inside a CONVERT_EXPR
9530 and NOP_EXPR if both modes are the same.
9531 (store_field): Use bitfield operations if size of bitsize is not same
9532 as size of RHS's type.
9533 Check for bitpos not a multiple of alignment in BLKmode case.
9534 Do block move in largest possible alignment.
9535 (store_constructor): Set BITSIZE to -1 for variable size and properly
9536 in case of array of BLKmode.
9537 (expand_expr_unaligned): New function.
9538 (do_compare_and_jump): Call it.
9540 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
9541 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
9542 does not include 'o'.
9544 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
9545 both SET_DEST and SET_SRC reference a virtual register.
9546 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
9548 * integrate.c (expand_inline_function): Handle case of setting
9549 virtual stack vars register (from built in setjmp); when parameter
9550 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
9551 (subst_constant): Add new parm, MEMONLY.
9552 (expand_inline_function, integrate_parm_decls): Pass new parm.
9553 (integrate_decl_tree): Likewise.
9554 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
9555 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
9556 (copy_rtx_and_substitute, case SET): Add explicit calls to
9557 copy_rtx_and_substitute for both sides.
9559 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
9561 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
9562 within INDEX_TYPE, instead of before.
9563 (fixup_gotos): Use f->target_rtl, not the next insn,
9564 since latter may be from a later fixup.
9565 (expand_value_return): Correctly convert VAL when promoting function
9566 return; support RETURN_REG being a PARALLEL.
9567 (expand_return): When checking for result in regs and having
9568 cleanup, consider PARALLEL in DECL_RTL as being in regs.
9570 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
9572 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
9573 last_nominal_fname): Mark const.
9574 (struct include_hash: name, nshort, control_macro): Mark
9576 (struct macrodef: symnam): Mark const.
9577 (struct if_stack: fname): Mark const.
9578 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
9579 (IStable): New character-syntax array which encompasses all
9580 the old is_foo arrays.
9581 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
9582 is_space): New macros for interrogating IStable.
9583 (check_macro_name): Kill last argument. All callers changed.
9585 * cppinit.c (initialize_char_syntax): Delete.
9586 (is_idchar, is_idstart, is_hor_space, is_space,
9587 trigraph_table): Delete.
9588 (IStable): New. Initialize with clever macros to avoid
9589 information duplication.
9590 (builtin_array): Table of builtins to get rid of explicit list
9591 in initialize_builtins.
9592 (initialize_builtins): Use builtins_array.
9593 (cpp_start_read): Call init_IStable, and set IStable['$'] if
9594 opts->dollars_in_ident.
9596 * cppexp.c: Change all refs to is_xyz[] arrays to use new
9598 (cpp_parse_expr): Avoid 'format string is not constant'
9599 warning. Use ISGRAPH to identify printable chars.
9600 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
9602 (read_and_prescan): Map trigraphs to chars with open-coded
9603 if-else-if-... sequence, not a lookup table.
9604 * cpphash.c: Change all refs to is_xyz[] arrays to use new
9606 * cpplib.c: Change all refs to is_xyz[] arrays to use new
9607 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
9608 (check_macro_name): Remove ability to report an invalid
9609 assertion name, which is never used.
9610 (do_line): Constify a couple of char *'s.
9611 * cppmain.c (main): Call cpp_cleanup before returning.
9613 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
9615 * ggc.h (struct ggc_statistics): New type.
9616 (ggc_get_size): New function.
9617 (ggc_print_statistics): Likewise.
9618 * ggc-common.c (ggc_stats): New variable.
9619 (ggc_mark_rtx_children): Keep statistics.
9620 (ggc_mark_tree_children): Likewise.
9621 (ggc_print_statistics): New function.
9622 * ggc-page.c (struct globals): Add bytes_mapped field.
9623 (alloc_anon): Update it.
9624 (release_pages): Likewise.
9625 (ggc_get_size): New function.
9626 (ggc_page_print_statistics): New function.
9627 * ggc-simple.c (ggc_get_size): New function.
9629 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
9631 * flow.c (propagate_block): When the last reference to a label
9632 before an ADDR_VEC is deleted because the reference is a dead
9633 store, delete the ADDR_VEC.
9635 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
9637 * resource.c (find_free_register): Don't use the frame pointer
9638 if frame_pointer_needed.
9640 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
9642 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
9643 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
9645 * config/i960/i960.c (i960_va_start): New locals base, num.
9646 Use INDIRECT_REF instead of ARRAY_REF on valist.
9647 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
9649 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
9651 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
9653 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
9655 * tree.def (PLACEHOLDER_EXPR): Update comments.
9657 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9659 * c-common.c (check_format_info): Avoid non-literal format string
9660 warnings when `first_arg_num' is zero.
9662 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9664 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
9666 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
9668 * arm.md (casesi_insn): Add a clobber of the condition code
9671 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
9673 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
9674 used by both cc1 and cc1plus.
9676 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
9678 * config/arm/arm.c: Initialise arm_structure_size_boundary to
9679 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
9680 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
9681 to the value 32 if it has not already been defined.
9682 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
9683 Override definition in arm.h with a value of 8.
9685 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
9687 * c-pragma.c (push_alignment): Don't check the return value
9690 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
9692 * sparc.h (ADJUST_COST): Fix thinko.
9694 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
9696 * cccp.c (rescan): Fixed obp pointer handling around call to
9697 check_expand subroutine.
9699 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
9701 * gcse.c (delete_null_pointer_checks): Only record non-null info
9702 for pseudos when examining stores.
9704 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
9705 splitters for these patterns. Use "#" for output templates.
9706 (addsi3_carryin_shift): New pattern.
9708 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
9710 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
9711 of the function return register into a plain REG until
9712 after function inlining is done.
9714 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
9716 * jump.c (jump_optimize_1): If we did cross-jumping, and
9717 the data will matter, rebuild the CFG.
9718 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
9719 not optimizing. Don't run shorten_branches.
9720 * toplev.c (rest_of_compilation): Run shorten_branches after
9723 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
9725 * rtl.h (note_stores): Add additional paramter.
9726 * rtlanal.c (reg_set_p_1): Take additional paramter.
9727 (reg_set_last_1): Likewise.
9728 (reg_set_p): Adjust call to note_stores.
9729 (reg_set_last): Likewise.
9730 (note_stores): Pass data parameter to worker function.
9731 * alias.c (record_set): Take additional parameter.
9732 (init_alias_analysis): Pass it.
9733 * caller-save.c (mark_set_regs): Take additional parameter.
9734 (save_call_clobbered_regs): Pass NULL to note_stores.
9735 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
9737 (record_dead_and_set_regs_1): Likewise.
9738 (reg_dead_at_p_1): Likewise.
9739 (combine_instructions): Adjust calls to note_stores.
9740 (try_combine): Likewise.
9741 (record_dead_insn): Remove.
9742 (record_dead_and_set_regs): Adjust calls to note_stores.
9743 (reg_dead_at_p): Likewise.
9744 * cse.c (invalidate_skipped_set): Take additional parameter.
9745 (cse_check_loop_start): Likewise.
9746 (cse_check_loop_start_value): Remove.
9747 (cse_set_around_loop): Adjust calls to note_stores.
9748 * flow.c (notice_stack_pointer_modification): Take additional
9749 parameter. Remove duplicate declaration.
9750 (record_volatile_insns): Adjust calls to note_stores.
9751 * gcse.c (record_set_info): Take additional parameter.
9752 (record_last_set_info): Likewise.
9753 (invalidate_nonnull_info): Likewise.
9754 (record_set_insn): Remove.
9755 (compute_sets): Adjust calls to note_stores.
9756 (last_set_insn): Remove.
9757 (compute_hash_table): Adjust calls to note_stores.
9758 (insert_insn_end_bb): Likewise.
9759 (delete_null_pointer_checks): Likewise.
9760 * global.c (mark_reg_store): Take additional parameter.
9761 (mark_reg_clobber): Likewise.
9762 (reg_becomes_live): Likewise.
9763 (global_conflicts): Adjust calls to note_stores.
9764 (build_insn_chain): Likewise.
9765 * integrate.c (note_modified_parmregs): Take additional parameter.
9766 (mark_stores): Likewise. Make it static.
9767 (save_for_inline_nocopy): Adjust calls to note_stores.
9768 (try_constants): Likewise.
9769 * integrate.h (mark_stores): Remove declaration.
9770 * jump.c (mark_modified_reg): Take additional parameter.
9771 (thread_jumps): Adjust calls to note_stores.
9772 * local-alloc.c (validate_equiv_mem_from_store): Take additional
9774 (no_equiv): Likewise.
9775 (reg_is_set): Likewise.
9776 (validate_equiv_mem): Adjust calls to note_stores.
9777 (update_equiv_regs): Likewise.
9778 (block_alloc): Likewise.
9779 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
9780 (note_addr_stored): Take additional parameter.
9781 (note_set_pseudo_multiple_uses): Likewise.
9782 (record_initial): Likewise.
9783 (prescan_loop): Adjust calls to note_stores.
9784 (strength_reduce): Likewise.
9785 (check_dbra_loop): Likewise.
9786 * regmove.c (flags_set_1): Take additional paramter.
9787 (mark_flags_life_zones): Adjust calls to note_stores.
9788 * reload1.c (mark_not_eliminable): Take additional parameter.
9789 (forget_old_reloads_1): Likewise.
9790 (reload_cse_invalidate_rtx): Likewise.
9791 (reload_cse_check_clobber): Likewise.
9792 (reload_combine_note_store): Likewise.
9793 (move2add_note_store): Likewise.
9794 (reload): Adjust calls to note_stores.
9795 (reload_as_needed): Likewise.
9796 (emit_reload_insns): Likewise.
9797 (reload_cse_regs_1): Likewise.
9798 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
9799 (reload_combine): Adjust calls to note_stores.
9800 * resource.c (update_live_status): Take additional paramter.
9801 (mark_target_live_regs): Adjust calls to note_stores.
9802 * stupid.c (find_clobbered_regs): Take additional parameter.
9803 (stupid_life_analysis): Adjust calls to note_stores.
9805 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
9807 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
9810 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
9813 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
9814 of the variable arm_structure_size_boundary.
9816 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
9818 * alias.c (init_alias_analysis): Allocate reg_known_value and
9819 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
9821 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
9822 * cse.c (cse_main): Call end_alias_analysis.
9823 * haifa-sched.c (schedule_insns): Likewise.
9824 * local-alloc. (update_equiv_regs): Likewise.
9825 * reload1.c (reload_cse_regs): Likewise.
9827 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9829 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
9830 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
9831 mapping from MASK_FPU.
9833 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
9835 * sparc.md (call): Don't bound structure return size to 0xfff.
9837 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
9839 * resource.c (mark_target_live_regs): Check that the target
9840 insn wasn't created after compute_bb_for_insn.
9842 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
9844 * ggc-page.c (poison_pages): Don't be overzealous.
9846 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
9848 * alias.c: Update comments for ADDRESS.
9849 (nonlocal_reference_p): Look inside the ADDRESS to determine if
9850 it is a local memory reference.
9852 * c-typeck.c (build_function_call): Check that the built-in
9853 function is of class BUILT_IN_NORMAL before trying to recongize
9855 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
9856 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
9858 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
9860 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
9862 (pre_gcse): Likewise.
9863 (hoist_expr_reaches_here_p): Likewise.
9864 (hoist_code): Likewise.
9865 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
9867 (pre_expr_reaches_here_p_work): ... here.
9868 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
9870 (expr_reaches_here_p_work): ... here.
9872 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
9874 * resource.c (find_basic_block): Delete.
9875 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
9876 (init_resource_info): Call compute_bb_for_insn.
9878 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
9880 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
9881 with already adjacent blocks, but no fallthru.
9882 (merge_blocks_move_successor_nojumps): Simplify.
9883 (debug_flow_info): New.
9885 * toplev.c (rest_of_compilation): Open jump1 dump file before
9886 jump and close after, as opposed to just using dump_rtl.
9888 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9890 * reload.h (earlyclobber_operand_p): Declare.
9891 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
9892 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
9893 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
9894 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
9896 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
9897 Richard Henderson <rth@cygnus.com>
9899 * emit-rtl.c (emit_block_insn_before): New.
9900 (emit_block_insn_after): New.
9901 * basic-block.h: Declare them.
9903 * bitmap.h: Protect from multiple inclusion.
9905 * recog.c (scratch_operand): Handle VOIDmode correctly.
9907 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
9909 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
9910 * function.c (assign_parms): Likewise.
9911 * global.c (global_conflicts): Clarify STACK_REGS commentary.
9913 * reg-stack.c (max_uid): Remove.
9914 (blocks, block_begin, block_end, block_drops_in): Remove.
9915 (block_stack_in, block_out_reg_set, block_number): Remove.
9916 (struct block_info_def, BLOCK_INFO): New.
9917 (enum emit_where): New.
9918 (current_block): New.
9919 (BLOCK_NUM): Remove.
9920 (mark_regs_pat, record_label_references): Remove.
9921 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
9923 (goto_block_pat, print_blocks, dump_stack_info): Remove.
9924 (reg_to_stack): Simplified test for existance of fp code. Use
9925 flow.c code. Call shorten_branches after cross-jump opt.
9926 (check_asm_stack_operands): Renamed from record_asm_reg_life.
9927 Return false if the asm doesn't use stack regs. Don't do life
9928 analysis on the asm.
9929 (emit_pop_insn): Replace function pointer arg `when' with
9930 enum `where'. Update all callers.
9931 (change_stack): Likewise. Update basic block end.
9932 (emit_swap_insn): Use current_block->head to limit reverse search
9933 for start of block. Use emit_block_insn_after.
9934 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
9935 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
9936 structure assignment instead of bcopy.
9938 (convert_regs_entry, convert_regs_exit): New.
9939 (convert_regs_1, convert_regs_2): Split out from convert_regs.
9940 Work on basic blocks and the CFG.
9941 (convert_regs): Use them.
9943 * i386.c (output_fix_trunc): Remove code for DImode input operand
9944 not at top-of-stack.
9945 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
9947 (fix_truncdi_1): Allow any mode scratch.
9949 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
9951 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
9952 * linux.h, netbsd.h, vms.h: Not here.
9954 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
9956 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
9957 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
9958 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
9959 CONDITIONAL_REGISTER_USEAGE): Use them.
9960 * config/mips/mips.c (mips_move_1word,mips_move_2words,
9961 gen_conditional_branch,override_options) : Use them.
9962 * config/mips/mips.md : Use them.
9964 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
9966 * i386.md (zero_extendqihi2): Use SImode register name with andl.
9968 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
9970 * integrate.c (function_cannot_inline_p): Don't allow inlining
9973 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9975 * c-parse.in (cast_expr): Constify.
9977 * cccp.c (special_symbol): Likewise.
9979 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
9981 * dwarf2out.c (base_type_die): Likewise.
9983 * global.c (allocno_compare): Likewise.
9985 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
9987 * regclass.c (fix_register): Likewise.
9989 * rtl.h (fix_register): Likewise.
9991 * stupid.c (stupid_reg_compare): Likewise.
9993 * toplev.c (decode_f_option): Likewise.
9995 * tree.c (build_complex_type): Likewise.
9997 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
9999 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
10001 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10003 * reload.c (find_reloads): Compute mode and nregs fields of all
10005 * reload1.c (calculate_needs_all_insns): Simplify a bit.
10006 (calculate_needs): Use precomputed mode/nregs values.
10007 (allocate_reload_reg): Likewise.
10009 (failed_reload, set_reload_reg): ... new functions.
10010 (choose_reload_regs_init): New function, mostly broken out from...
10011 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
10012 Also lose one #if 0 block.
10014 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
10016 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
10019 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
10021 * tree.h (BLOCK_TYPE_TAGS): Remove.
10022 (BLOCK_END_NOTE): Likewise.
10023 (BLOCK_LIVE_RANGE_FLAG): Likewise.
10024 (BLOCK_LIVE_RANGE_START): Likewise.
10025 (BLOCK_LIVE_RANGE_END): Likewise.
10026 (tree_block): Remove live_range_flag, live_range_var_flag, and
10027 type_tags. Remove end_note, live_range_start, and live_range_end.
10028 (remember_end_note): Remove prototype.
10029 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
10030 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
10032 * ggc-common.c (ggc_mark_tree_children): Don't mark
10033 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
10034 * integrate.c (adjust_copied_decl_tree): Remove.
10035 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
10036 * stmt.c (last_block_end_note): Remove.
10037 (init_stmt): Don't add a GC root for it.
10038 (expand_fixup): Don't set it.
10039 (remember_end_note): Remove.
10040 (expand_end_bindings): Don't set last_block_end_note.
10042 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10044 * reload1.c (reload_reg_free_for_value_p): Show
10045 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
10048 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
10050 * expmed.c (extract_bit_field): Allow for the case of non-integer
10051 objects that are smaller than a word (like SFmode on a 64-bit
10054 * loop.c (basic_induction_var): A non-integer variable which is
10055 being set by a paradoxical subreg is probably not a biv.
10057 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10059 * prefix.c (translate_name) Check for empty prefix string.
10061 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
10063 * Makefile.in (CPP_CROSS_NAME): New variable.
10064 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
10066 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
10067 names of the files to be uninstalled.
10069 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
10071 * collect2.c (IS_DIR_SEPARATOR): Define.
10072 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
10074 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
10077 * haifa-sched.c (add_dependence): Update the true dependency
10078 cache the first time we add a true dependence to the LOG_LINKS chain.
10080 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
10082 * fold-const.c (fold): Fix comment.
10084 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10086 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
10087 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
10088 dbxout_start_new_source_file, dbxout_source_file,
10089 dbxout_source_line, dbxout_finish, dbxout_type_fields,
10090 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
10092 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
10093 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
10094 (dbxout_block): Initialize variable `blocknum'.
10096 * dbxout.h (dbxout_init, dbxout_finish,
10097 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
10098 dbxout_args, dbxout_source_line): Constify a char*.
10100 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
10101 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
10102 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
10103 low_pc_attribute, high_pc_attribute, body_begin_attribute,
10104 body_end_attribute, comp_dir_attribute, sf_names_attribute,
10105 src_info_attribute, mac_info_attribute, producer_attribute,
10106 lookup_filename, generate_macinfo_entry, fundamental_type_code,
10107 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
10108 dwarfout_undef): Constify a char*.
10109 (add_incomplete_type, retry_incomplete_types): Add prototypes.
10111 * dwarfout.h (dwarfout_define, dwarfout_undef,
10112 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
10114 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
10116 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
10117 (MULTILIB_ISA_DEFAULT): New.
10118 (MULTILIB_DEFAULTS): Use it.
10119 * config/mips/mips.c (): Remove the now unnecessary definition
10120 of MIPS_ISA_DEFAULT.
10121 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
10122 unnecessary definition.
10124 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
10126 * arm.md (pic_load_addr): Add constraints to operand 1.
10128 1999-10-25 Bruce Korb <autogen@linuxbox.com>
10130 * fixinc/genfixes: Provide a means for specifying -D options to
10133 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
10135 * arm.c (arm_override_options): Correct initialization of
10136 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
10137 arm_is_strong, and arm_is_6_or_7.
10139 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
10140 (note_set_pseudo_multiple_uses): New function.
10141 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
10142 if a pseudo set in the loop exit is used elsewhere.
10144 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
10146 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
10148 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
10150 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
10151 a single load-address pattern.
10153 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
10155 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
10156 depending on whether or not line-number notes are present.
10158 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10160 * cccp.c (progname, file_buf, default_include, include_file,
10161 macrodef, definition, hashval, wchar_type, user_label_prefix,
10162 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
10163 expand_to_temp_buffer, is_system_include, base_name,
10164 absolute_filename, read_name_map, open_include_file,
10165 record_control_macro, check_precompiled, check_preconditions,
10166 pcfinclude, pass_thru_directive, create_definition,
10167 check_macro_name, comp_def_part, collect_expansion,
10168 check_assertion, read_token_list, assertion_install,
10169 assertion_lookup, eval_if_expression, conditional_skip,
10170 validate_else, skip_quoted_string, quote_string, macarg1,
10171 error_from_errno, install, lookup, hashf, dump_defn_1,
10172 perror_with_name, pfatal_with_name, main, trigraph_pcp,
10173 check_white_space, rescan, handle_directive, monthnames,
10174 special_symbol, do_include, remap_include_file, write_output,
10175 arglist, do_assert, do_unassert, do_line, do_error, do_once,
10176 do_ident, do_sccs, do_xifdef, skip_if_group,
10177 output_line_directive, macroexpand, macarg, change_newlines,
10178 initialize_builtins, make_definition): Constify a char*.
10180 * pcp.h (stringdef): Likewise.
10182 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
10184 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
10187 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
10188 Richard Henderson <rth@cygnus.com>
10190 * alias.c: Include ggc.h.
10191 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
10192 (record_set): Verify enough room in reg_base_value.
10193 (init_alias_analysis): Allocate reg_base_value with xcalloc.
10194 Register it as a GC root.
10195 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
10196 * Makefile.in (alias.o): Depend on ggc.h.
10198 * unroll.c (unroll_loop): Verify the insn before a barrier
10199 is a JUMP_INSN before checking JUMP_LABEL.
10201 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10203 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
10204 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
10205 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
10206 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
10207 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
10208 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
10210 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10212 * output.h (ctors_section, dtors_section, bss_section): Prototype.
10214 * alpha/alpha-interix.h (text_section): Delete prototype.
10215 * alpha/elf.h (text_section): Likewise.
10216 * arm/linux-elf.h (text_section): Likewise.
10217 * arm/linux-telf.h (text_section): Likewise.
10218 * c4x/c4x.h (text_section): Likewise.
10219 * dsp16xx/dsp16xx.h (bss_section): Likewise.
10220 * elfos.h (text_section): Likewise.
10221 * i386/aix386ng.h (text_section): Likewise.
10222 * i386/i386-interix.h (text_section): Likewise.
10223 * i386/sco5.h (text_section): Likewise.
10224 * i386/svr3gas.h (text_section): Likewise.
10225 * nextstep.h (text_section): Likewise.
10226 * psos.h (text_section): Likewise.
10227 * ptx4.h (text_section): Likewise.
10228 * svr3.h (text_section): Likewise.
10229 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
10231 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10233 * final.c (peephole): Delete prototype.
10235 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
10236 (pre_insert_copies): Remove unused variable `bb'.
10238 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
10241 * output.h (peephole): Add prototype.
10243 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
10245 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
10248 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
10250 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
10251 for inlined declarations.
10253 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
10255 * arm.c (logical_binary_operator): New fucntion.
10256 * arm.h (logical_binary_operator): Declare it.
10257 (PREDICATE_CODES): Handle logical_binary_operator.
10258 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
10259 output constraints. Add appropriate splitters.
10260 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
10261 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
10262 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
10264 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10266 * genoutput.c (struct operand_data): New elt eliminable.
10267 (output_operand_data): Write it.
10268 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
10269 (compare_operands): Take it into account.
10270 * recog.h (struct insn_operand_data): New elt eliminable.
10271 * reload1.c (check_eliminable_occurrences, elimination_effects): New
10273 (old_asm_operands_vec, new_asm_operands_vec): Delete.
10274 (eliminate_regs): Move code that detects changes to elimination
10275 target regs into new function elimination_effects.
10276 Delete one #if 0 block.
10277 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
10278 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
10279 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
10280 Only call eliminate_regs for real operands of the insn, not for parts
10281 of its structure or parts matched by things like match_operator.
10282 Use elimination_effects and check_eliminable_occurrences. Use
10283 copy_insn to duplicate the pattern when not in the final pass.
10285 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
10287 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
10290 1999-10-22 Bruce Korb <autogen@linuxbox.com>
10292 * fixinc/README: document the "mach" machine matching test
10293 * fixinc/fixfixes.c: Implement the #else/#endif label fix
10294 * fixinc/fixtests.c: Implement the #else/#endif label test
10295 * fixinc/inclhack.def: utilize these tests and fixes
10296 * fixinc/inclhack.sh: regen
10297 * fixinc/fixincl.x: regen
10298 * fixinc/fixincl.sh: regen
10300 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
10302 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
10305 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
10307 * gcc.1: Document exit codes.
10309 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10311 * calls.c: Include tm_p.h later, so everything we need is defined.
10312 * expr.c: Likewise.
10313 * function.c: Likewise.
10315 * except.c: Include tm_p.h.
10317 * sparc.c: Likewise.
10318 (dwarf2out_cfi_label): Don't prototype.
10319 (check_return_regs, epilogue_renumber,
10320 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
10321 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
10322 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
10323 ultra_schedule_insn): Add static prototype.
10324 (data_segment_operand, text_segment_operand): Call itself with the
10325 proper number of arguments.
10326 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
10328 * sparc.h: Move all declarations to sparc-protos.h.
10329 (SELECT_RTX_SECTION): Pass a missing MODE argument to
10332 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
10334 * config/svr4.h (text_section, ctors_section, dtors_section): Add
10336 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
10337 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
10338 ASM_OUTPUT_ASCII): Constify a char*.
10340 * sparc-protos.h: New file for sparc prototypes.
10342 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10344 * function.c (record_insns, contains): Always declare and define.
10345 (record_insns): Mark with ATTRIBUTE_UNUSED.
10347 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
10349 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
10350 to .section when outputting a .bss section to deal with multiple
10351 .bss input sections (as happens with -fdata-sections)
10352 Also output %progbits, not @progbits so the assembler doesn't treat as
10354 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
10356 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
10357 thumb parts even when building with non-thumb CPUs, by forcing
10360 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
10362 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
10363 (movdf_const_intreg_sp64): Similarly.
10365 * local-alloc.c (update_equiv_regs): Check the correct insn
10366 for pre-existing REG_EQUIV notes.
10368 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
10370 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
10371 block reached by a branch if we're not going to actually process
10374 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
10376 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
10377 a local extern function declaration.
10379 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
10381 * i386.c (ix86_expand_prologue): Properly wrap USE around
10382 reg for CALL_INSN_FUNCTION_USAGE.
10384 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
10386 * config/mips/mips.md (movdf_internal1a): Allow floating-point
10387 move between GP_REGs.
10389 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
10391 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
10392 the mode size when finding out if an offset is legal.
10394 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
10396 * basic-block.h (PROP_*): Move constants from ...
10397 * flow.c: ... here.
10398 (compute_bb_for_insn): Free the array before reallocating.
10399 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
10400 (allocate_reg_life_data): Reset all reg variables collected by
10402 (get_block_head_tail): Don't convert from bb to block.
10403 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
10404 (find_insn_reg_weight): Take block not bb.
10405 (schedule_block): Don't set block num for moved insns.
10406 (schedule_region): Don't update_life_info or find_insn_reg_weight.
10407 (schedule_insns): Do it here instead.
10408 * combine.c (combine_instructions): Invoke compute_bb_for_insn
10409 before update_life_info.
10410 * recog.c (split_all_insns, peephole2_optimize): Update for
10411 new arg to update_life_info.
10412 * rtlanal.c (remove_note): Cope with NULL note.
10413 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
10416 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
10418 * jump.c (jump_optimize_1): More accurately detect casesi insns.
10420 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
10421 block records so that merge_blocks_nomove will clean up correctly.
10422 (split_edge): Handle casesi insns.
10424 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
10426 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
10428 * pa.md (call, call_value): Do not emit a blockage after restoring
10431 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
10433 * c-typeck.c (c_expand_asm_operands): Fix typo.
10435 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10437 * arm.c (fpu_rhs_operand): Verify modes.
10438 (fpu_add_operand): Likewise.
10439 (di_operand): Likewise.
10440 (soft_df_operand): Likewise.
10442 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
10444 * arm.c (arm_return_in_memory): APCS rules state that the elements
10445 of a structure returned in a register must be 'integer-like'.
10447 1999-10-19 Bruce Korb <autogen@linuxbox.com>
10449 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
10450 in the source tree when the generated targets are out of date
10451 * fixinc/genfixes: Alter it to run individual fixes for make.
10452 * fixinc/README: rewrite
10453 * fixinc/inclhack.def: moved initial comments to README
10455 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
10457 * toplev.c (main): Do not generate an error message if an
10458 unrecognised command line switch is recognisable by another
10459 language. If extra_warnings are enabled, then generate a
10460 warning message instead.
10462 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
10464 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
10465 (insert_pack_attributes): Delete prototype.
10467 * c-pragma.c (default_alignment): New static variable.
10468 (push_alignment): Initialize to current effective alignment.
10469 (pop_alignment): Use to set new alignment.
10470 (insert_pack_attributes): Delete function.
10471 (handle_pragma_token): Set default_alignment as well each time
10472 a #pragma pack(<n>) is encountered.
10474 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
10476 * reg-stack.c (stack_result): Aggregates are not returned in
10479 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
10481 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
10483 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
10485 * basic-block.h (set_block_num): Declare.
10486 * flow.c (update_life_info): Don't call compute_bb_for_insn
10487 or free_basic_block_vars.
10488 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
10489 (insn_orig_block): Remove.
10490 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
10491 (schedule_block): Keep BLOCK_NUM up-to-date.
10492 (schedule_insns): Use compute_bb_for_insn.
10493 * recog.c (split_all_insns): Likewise.
10494 (peephole2_optimize): Likewise.
10496 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
10498 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
10499 if the pic register is used.
10501 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10503 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
10504 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
10505 if that tests TREE_PERMANENT.
10507 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
10509 * cse.c (invalidate_for_call): Do not remove memory references from
10510 the table here. It's handled elsewhere.
10512 * haifa-sched.c (add_dependence): Protect references to the
10513 true dependency cache with #ifdef INSN_SCHEDULING.
10514 (remove_dependence): Similarly.
10516 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
10517 to the cfg code that this is a return instruction.
10518 * mn10300.md (return_internal): Similarly.
10520 * combine.c (get_last_value): If the last set of a register
10521 is after subst_low_cuid, then we can not use it to determine
10522 the register's last value.
10524 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
10526 * Makefile.in: Back out previous change.
10528 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
10530 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
10532 * haifa-sched.c (add_dependence): Only check/update the cache
10534 (remove_dependence): Likewise.
10535 (schedule_insns): Only create the true_dependency_cache if the
10536 average number of instructions in a basic block is very large.
10538 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
10540 * Makefile.in (ggc-common.o): Depend on genrtl.h.
10541 (ggc-simple.o): Likewise.
10542 (ggc-page.o): Likewise.
10544 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
10546 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
10547 Prototype for exported functions.
10548 (pre_lcm, pre_rev_lcm): Remove prototypes.
10549 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
10550 (compute_available): Move to lcm.c, and change parameter order.
10551 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
10552 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
10553 (gcse_main): No longer call compute_preds_succs. Rebuild the
10554 set table after reach pre pass.
10555 (pre_insert_map, pre_delete_map, edge_list): New.
10556 (alloc_pre_mem): Allocate edge vectors.
10557 (free_pre_mem): Delete edge vectors.
10558 (compute_pre_data): Call new edge based lcm routines.
10559 (process_insert_insn): New function.
10560 (insert_insn_end_bb): Use it.
10561 (pre_edge_insert): New function.
10562 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
10564 (pre_insert_copies): Revamp using new edge based lcm outputs.
10565 (pre_delete): Likewise.
10566 (one_pre_gcse_pass): Insert & remove fake edges to the exit
10568 (compute_code_hoist_vbeinout): New new edge based routines.
10569 * lcm.c: Remove all the old LCM functions. Replace with new ones
10570 that work with the new cfg datastructures and work with edges
10573 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10575 * reload.h (struct reload): Add new fields "mode" and "nregs".
10576 * reload1.c: Change all occurrences of reload_mode and reload_nregs
10577 to reference the "mode" and "nregs" field within struct reload.
10579 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
10581 * haifa-sched.c (true_dependency_cache): New.
10582 (add_dependence): Use the true dependency cache to avoid expensive
10583 walks down the LOG_LINKS dependency list. Add entries to the
10584 cache as necessary.
10585 (remove_dependence): Remove entries from the true dependency cache
10587 (schedule_insns): Allocate and initialize and free the true
10590 * haifa-sched.c (schedule_insns): Do not remove inter-block
10591 dependencies anymore.
10593 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
10595 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
10596 * i386/t-winnt: Likewise.
10598 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
10600 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
10602 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
10604 * Makefile.in (LANGUAGES): Omit "proto".
10605 (clean): Remove stale comment about removing unprotoize.c.
10607 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10609 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
10610 using arithmetic on void pointers.
10612 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
10614 * haifa-sched.c (compute_block_forward_dependencies): Only check
10615 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
10617 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
10619 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
10620 (expr_equiv_p): Reject memories with different alias sets.
10622 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
10624 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
10625 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
10626 (f_options): Add "bounded-pointers" and "bounds-check" entries.
10627 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
10628 (lang_init): Set default for flag_bounds_check if still "unspecified".
10630 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10632 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
10634 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10636 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
10639 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10641 * config/c4x/c4x.md (*db_noclobber,
10642 *decrement_and_branch_until_zero_noclobber): New patterns and
10643 associated splitters.
10645 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10647 * config/c4x/c4x.md (parallel instruction patterns): Rework
10648 constraints to keep reload happy.
10650 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10652 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
10653 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
10654 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
10655 Add new patterns and associated post-reload splitters.
10657 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10659 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
10661 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10663 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
10665 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
10667 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10669 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
10672 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
10674 * pa.c (move_operand): Rely on memory_address_p to determine the
10675 validity of non-indexed memory addresses.
10676 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
10677 operand in DFmode and SFmode when generating PA2.0 code.
10679 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
10681 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
10683 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
10685 * mips.c (function_prologue): Fix argument types.
10686 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
10687 (casesi_internal): Write to the scratch register.
10689 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
10691 * cppexp.c (cpp_parse_escape): Make static. Change second arg
10693 (parse_charconst): Delete unnecessary cast when calling
10695 (cpplib.h): Kill prototype of cpp_parse_escape.
10697 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
10699 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
10700 * unroll.c (unroll_loop): Cast return value of alloca.
10701 * i370/i370.c: Include function.h and toplev.h.
10702 (i370_label_scan): Remove c++ commented abort.
10703 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
10704 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
10705 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
10706 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
10708 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
10710 * config/t-freebsd: Do not override USER_H.
10711 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
10713 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
10714 Mumit Khan <khan@xraylith.wisc.edu>
10716 * c-parse.in (component_decl): Support anonymous struct/union.
10718 * c-parse.y: Regenerate.
10719 * c-parse.c: Likewise.
10720 * objc/objc-parse.y: Likewise.
10721 * objc/objc-parse.c: Likewise.
10722 * c-decl.c (finish_struct): Don't sort the fields.
10723 (field_decl_cmp): Delete unused function.
10725 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
10727 * sparc.md (movsf_const_intreg): Revert last constraint change.
10728 (movdf_const_intreg_sp32): Likewise.
10730 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
10732 * cse.c: Include hashtab.h instead of splay-tree.h
10733 (struct cse_reg_info): No longer use variant union. Add new
10734 field "regno". All references changed to avoid union.
10735 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
10736 (free_cse_reg_info): Remove.
10737 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
10738 (get_cse_reg_info): Revamp to use expandable hash tables instead
10739 of splay trees. Initialize new fields in cse_reg_info structure.
10740 (new_basic_block): Similarly.
10742 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
10744 * genrecog.c (message_with_line): Prototype.
10745 (validate_pattern): Pass along the set for the dest, not a flag.
10746 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
10747 Check for PC/CC0 as sources.
10748 (nodes_identical): Check for children position match before
10749 allowing the combination.
10751 * rtl.c (read_rtx): Track line number across \\\n.
10753 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
10755 * mips.h (SPECIAL_MODE_PREDICATES): New.
10756 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
10757 (movdi+1, movsi+1): Add output reload constraint.
10758 (casesi_internal): Likewise. Fix commentary.
10759 (return_internal): Use pmode_register_operand.
10761 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
10763 * 1750a.md (movstrqi): Add missing output reload constraint.
10764 (call_value): Likewise.
10765 * a29k.md (cpxxx patterns): Add missing match_operator mode.
10766 (jmpfdec): Add missing inout reload constraint.
10767 * elxsi.md (addsi patterns): Add missing output reload constraint.
10768 (move from sp): Use @ alternates.
10769 (call_value): No constraint on output.
10770 * fr30.md (movsi_pop): Add missing output reload constraint.
10771 (movsf_constant_store): Likewise.
10772 (splits): Remove constraints.
10773 (subsi3): Add missing mode.
10774 * i370.md (cmpstrsi+1): Add missing output reload constraint.
10775 (call_value): Likewise.
10776 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
10777 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
10778 * m32r.md (movsicc_internal): Add output reload constraint.
10779 (movstrsi_internal): Add inout reload constraints.
10780 * m88k.h (reg_names): Don't declare.
10781 (SPECIAL_MODE_PREDICATES): New.
10782 * m88k.md (*): Use register_operand not reg_or_0_operand
10784 * mn10200.h (PREDICATE_CODES): New.
10785 * ns32k.md (ffs pattern): Add output reload constraint.
10786 * pdp11.md (sob pattern): Add inout reload constraint.
10787 * sh.md (splits): Remove constraints.
10788 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
10789 * v850.md (pattern_is_ok_for_epilogue): Likewise.
10790 * vax.md (jgequ pattern): Add inout reload constraint.
10792 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
10794 * configure.in (djgpp): Revert previous patch.
10795 * configure: Rebuit.
10796 * config/i386/djgpp.h: Revert previous patch.
10798 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
10800 * fixinc/inclhack.def: Restore patch lost during last merge of
10801 "no_bogosity" branch.
10802 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
10804 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
10806 * fixincludes: Add a HPUX 11 fix for inttypes.h.
10807 * fixinc/inclhack.def: Same.
10808 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
10810 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
10812 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
10813 as the base of a PLUS.
10815 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10817 * config/c4x/c4x.md: Define mode for remaining unspec operators.
10818 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
10820 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
10822 * pa.md (post_stw+1): Use pmode_register_operand.
10823 (dcacheflush, icacheflush): Likewise.
10825 * i386.md (movstricthi_1): Allow r/r.
10827 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
10829 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
10830 to (not (and (arg0) (arg1))). Similary for and.
10832 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
10833 fallthrough to associate code.
10834 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
10837 * combine.c (simplify_logical): Convert XOR to IOR if operands have
10838 no bits in common; remove XOR to ROTATE conversion.
10840 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10842 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
10844 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10846 * config/c4x/c4x.c (dst_operand): New.
10847 (PREDICATE_CODES): Update.
10848 * config/c4x/c4x.h (dst_operand): Declare it.
10849 * config/c4x/c4x.md: Define mode for each unspec usage.
10850 (move patterns): Use dst_operand predicate instead of src_operand.
10851 (movqi_update, movqf_update): Delete.
10853 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
10855 * recog.c (pmode_register_operand): New.
10856 * recog.h: Declare it.
10857 * genrecog.c (pred_codes): Likewise.
10858 (special_mode_pred_table): Likewise.
10859 (validate_pattern): Don't warn no mode for address_operand.
10861 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
10862 if the operand is not insn-like.
10864 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
10865 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
10867 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
10869 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
10871 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
10872 instead of general_operand in a SET_DEST. Use const_double_operand
10873 instead of an explicit test against CONST_DOUBLE.
10874 (movsf_const_lo): Add missing register mode.
10875 (goto_handler_and_restore): Add auxiliary test for Pmode.
10876 (flush): Adjust to use address_operand.
10877 (return_sf_no_fpu): Add missing output constraint.
10879 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
10881 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
10882 for call return value.
10883 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
10885 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
10887 * toplev.c (main): Only warn about options for other languages.
10888 * collect2.c (main): Pass -w to sub-gcc.
10890 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
10892 * flow.c (propagate_block): Add call-clobbered registers to
10895 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
10896 zapping mem_set_list.
10897 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
10898 (mark_set_1, mark_used_regs): Likewise.
10900 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
10902 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
10904 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10906 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
10907 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
10908 options. Also add a new item "C-only Warning Options" to the
10911 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
10913 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
10914 from multiple calls.
10916 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
10918 * i386.md (call value patterns): Move to the end of the file.
10919 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
10921 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
10923 * configure.in (djgpp configuration): Define extra_objects..
10924 * configure: Rebuilt.
10925 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
10926 (DTORS_SECTION_ASM_OP): Define.
10927 (INIT_SECTION_ASM_OP): Define.
10928 (FINI_SECTION_ASM_OP): Define.
10929 (DATA_SECTION_ASM_OP): Define.
10930 (TEXT_SECTION_ASM_OP): Define.
10931 (EH_FRAME_SECTION_ASM_OP): Define.
10932 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
10933 (STARTFILE_SPEC): Add crtbegin.o.
10934 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
10935 to here from LINK_COMMAND_SPEC.
10936 (DO_GLOBAL_CTORS_BODY): Define.
10937 (CRTSTUFF_USE_FINI_SECTION): Define
10938 (HAS_INIT_SECTION): Delete.
10940 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
10942 * Makefile.in (all.cross): Depend on xcpp$(exeext).
10944 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
10946 * pa.h (PREDICATE_CODES): New.
10948 * genrecog.c (validate_pattern): Condense the destination
10949 non-lvalue message.
10951 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
10953 * alpha.md (call-1): Supply missing mode for operator.
10954 (*): Add missing output reload constraints. Remove constraints
10955 from define_splits.
10957 * i386.h (SPECIAL_MODE_PREDICATES): New.
10958 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
10959 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
10960 (addsi_lea_3): Add missing mode for op 3.
10961 (prologue_set_got, prologue_get_pc): Add missing modes.
10962 (*) Add missing output reload constraints.
10964 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
10966 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
10967 check for member bit-size overflow and use var_size if it occurs.
10968 (layout_record): Use bitsize_int() to define the type size in bits.
10969 Likewise for computation and assignment to DECL_FIELD_BITPOS.
10970 (layout_decl): Likewise when assigning to DECL_SIZE.
10972 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
10974 * genrecog.c (validate_pattern): Typo last change. Verify
10975 that output operands have output reloads.
10977 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
10979 * genrecog.c (special_mode_pred_table): New.
10980 (NUM_SPECIAL_MODE_PREDS): New.
10981 (find_operand): New.
10982 (validate_pattern): New argument `insn'. Warn for assignment to
10983 any predicate accepting non-lvalues. Conditionaly warn for
10984 match_operand without a mode. Try much harder to match source
10985 and destination modes on a set.
10986 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
10988 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
10990 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
10992 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
10994 * combine.c (simplify_logical): Recognize xor pattern that encodes
10997 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10999 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
11002 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
11004 * ggc-page.c (MAP_FAILED): Provide default.
11006 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
11008 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
11009 * sparc.h (PREDICATE_CODES): Update.
11011 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
11013 * alpha.c (some_ni_operand): New.
11014 * alpha-protos.h: Declare it.
11015 * alpha.h (PREDICATE_CODES): Update.
11016 * alpha.md (sXaddq reload insns): Use some_ni_operand
11017 for SET_DEST instead of some_operand.
11019 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
11020 Jim Wilson <wilson@cygnus.com>
11022 * genrecog.c (maybe_both_true_2): Don't compare modes of
11024 (process_tree): Elide peephole2_insns. Invoke simplify_tests
11025 after find_afterward.
11026 (debug_decision_1): Dump next and afterward codes.
11028 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
11030 * rtl.c (dump_and_abort): Remove.
11031 (fatal_with_file_and_line): New.
11032 (fatal_expected_char): New.
11033 (read_rtx_lineno, read_rtx_filename): New.
11034 (read_skip_spaces): Track line number.
11035 (read_name): Use fatal_with_file_and_line.
11036 (read_rtx): Use fatal_expected_char. Track line number.
11037 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
11039 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
11040 if it isn't a CODE_LABEL.
11042 * genattr.c (main): Set read_rtx_filename.
11043 * genattrtab.c (main): Likewise.
11044 * gencodes.c (main): Likewise.
11045 * genconfig.c (main): Likewise.
11046 * genemit.c (main): Likewise.
11047 * genextract.c (main): Likewise.
11048 * genflags.c (main): Likewise.
11049 * genopinit.c (main): Likewise.
11050 * genoutput.c (main): Likewise.
11051 * genpeep.c (main): Likewise.
11053 * genrecog.c (decision_test.u.insn): Add `lineno'.
11054 (pattern_lineno, error_count): New variables.
11055 (message_with_line): New.
11056 (add_to_sequence): Break out checking code to ...
11057 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
11058 (merge_insn): Use message_with_line.
11059 (make_insn_sequence): Use validate_pattern. Record insn lineno.
11060 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
11062 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11064 * expr.c (store_constructor): Clear union if constructor is empty.
11066 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
11068 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
11069 Add !endian checks. Change %{...} to %(...).
11071 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
11073 * i386.md (*addsi3_cc): Renamed from addcsi3.
11074 (*addsi3_carry): Renamed from addxsi3.
11075 (*subsi3_cc): Renamed from subcsi3.
11076 (*subsi3_carry): Renamed from subxsi3.
11077 (*xorqi_cc_1): Renamed from xorcqi_1.
11078 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
11079 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
11081 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
11083 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
11084 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
11086 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
11088 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
11089 climb up the chain of insns.
11091 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
11093 * genrecog.c (write_subroutine): Careful for null trees.
11094 (process_tree): Don't elide empty functions.
11096 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
11098 * Makefile.in (genrtl.o): Depend on ggc.h.
11099 * configure.in (valloc): Probe for it.
11100 (with-gc): Use ggc-page if valloc present.
11101 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
11102 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
11103 (ggc_alloc_string): Moved from ggc-page.c.
11104 * ggc-none.c (ggc_alloc_obj): New.
11105 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
11106 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
11107 (struct globals): Likewise for dev_zero_fd.
11108 (init_ggc): Likewise for it's initialization.
11109 (ggc_allocated_p): Move careful dereference from ...
11110 (ggc_lookup_page_table): ... here. Delete.
11111 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
11112 (alloc_anon): Use valloc if no mmap.
11113 (release_pages): Use free if using valloc.
11114 (ggc_alloc_obj): Renamed from alloc_obj.
11115 (ggc_set_mark): Renamed from mark_obj.
11116 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
11117 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
11118 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
11119 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
11120 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
11121 (ggc_collect): Use fp printing instead of our own rounding.
11122 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
11123 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
11124 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
11125 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
11126 (struct ggc_string, struct ggc_any): Delete.
11127 (offsetof): Provide default definition.
11128 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
11130 (struct ggc_mem): New, from corpse of ggc_any.
11131 (struct ggc_status): Delete.
11132 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
11133 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
11134 (n_strings_collected, n_anys_collected): Delete.
11135 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
11136 (ggc_alloc_string, ggc_alloc): Delete.
11137 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
11138 (ggc_free_string, ggc_free_any): Delete.
11139 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
11140 (ggc_compare_addresses, ggc_mark_string): Delete.
11141 (ggc_mark_string_if_gcable, ggc_mark): Delete.
11142 (search_data): Delete.
11143 (struct globals): New.
11144 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
11145 (tree_insert, tree_lookup): New.
11146 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
11147 (clear_marks, sweep_objs): New.
11148 (ggc_collect): Gut. Use clear_marks, sweep_objs.
11149 (init_ggc): Set allocated_last_gc.
11150 (ggc_push_context): Gut. Use G.context.
11151 (ggc_pop_context): Likewise.
11152 (ggc_pop_context_1): New.
11153 (debug_ggc_tree): New.
11154 (debug_ggc_balance, tally_leaves): New.
11155 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
11156 (ggc_mark_string_if_gcable): Remove decl.
11157 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
11158 (ggc_mark_rtvec_children): New.
11159 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
11160 (ggc_mark_if_gcable): New decl.
11161 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
11162 (ggc_alloc_tree, ggc_alloc): Likewise.
11163 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
11164 (ggc_alloc_obj): New decl.
11165 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
11166 (ggc_alloc_tree, ggc_alloc): Likewise.
11167 (ggc_set_mark): New decl.
11168 * rtl.h (struct rtx_def): Remove gc_mark.
11169 (struct rtvec_def): Likewise.
11170 * tree.h (struct tree_common): Likewise.
11172 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
11174 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
11175 float_format and thread_file definitions.
11176 * configure: Rebuilt.
11178 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
11180 * extend.texi (Function Names): Document types of function names.
11182 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11184 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
11185 an earlyclobbered output conflict with RELOAD_INPUT reloads.
11187 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11189 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
11191 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11193 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
11195 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
11197 * collect2.c (main): Do prelimnary link on AIX if rflag.
11199 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
11201 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
11202 __CTOR_LIST__ in opposite order, which is the correct order for sorted
11204 (__do_global_dtors): similarly for __DTOR_LIST__.
11206 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11207 Diego Novillo <dnovillo@cygnus.com>
11209 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
11212 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
11214 * fixincl/*: Merged "no_bogosity" branch
11215 * fixincl/fixlib.h: protect against doubly defining t_bool
11216 * fixincl/server.h: protect against doubly defining t_bool
11218 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
11220 * genoutput.c: Include toplev.h.
11222 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
11224 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
11226 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
11227 * configure: Regenerate.
11229 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
11231 * gcse.c (delete_null_pointer_checks): Returns void.
11233 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11235 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
11236 * emit-rtl.c (copy_insn_1): Likewise.
11238 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
11240 * config/mips/mips.c (mips_build_va_list): Correct
11241 TREE_CHAIN setting when hard-float.
11242 (mips_va_start): Use corrected setting.
11243 (mips_va_arg): Likewise. Also pass a tree to build of
11244 POSTINCREMENT_EXPR rather than a naked 'int'.
11246 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
11248 * ggc.h (ggc_push_context): Fix comment.
11249 (ggc_pop_context): Likewise.
11250 (mark_string_if_gcable): Likewise.
11251 * ggc-common.c (ggc_mark_rtx_children): Use
11252 ggc_mark_string_if_gcable.
11253 * ggc-page.c (ggc_lookup_page_table): New function.
11254 (ggc_allocated_p): Likewise.
11255 (mark_obj): Fix formatting.
11256 (ggc_mark_string_if_gcable): New function.
11257 * ggc-simple.c (ggc_allocated_strings): New variable.
11258 (ggc_strings_used): Likewise.
11259 (ggc_compare_addresses): New function.
11260 (ggc_pop_context): Pop the `any' memory too.
11261 (ggc_mark_string_if_gcable): New function.
11262 (ggc_collect): Initialize and tear down ggc_allocated_strings.
11264 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
11266 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
11267 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
11268 * rs6000.c (expand_block_move): Match movstrsi_?reg register
11271 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
11273 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
11274 (sched_reg_live_length, sched_reg_basic_block): Delete.
11275 (current_block_num, bb_live_regs, old_live_regs): Delete.
11276 (dead_notes, struct sometimes): Delete.
11277 (sched_note_set, birthing_insn_p): Delete.
11278 (adjust_priority): Gut useless reg lifetime code.
11279 (create_reg_dead_note, attach_deaths): Delete.
11280 (attach_deaths_insn, new_sometimes_live): Delete.
11281 (finish_sometimes_live): Delete.
11282 (find_pre_sched_live, find_post_sched_live): Delete.
11283 (update_reg_usage): Delete.
11284 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
11285 (schedule_insns): Delete reg lifetime code.
11286 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
11287 (unlink_other_notes): Adjust REG_NOTE commentary.
11288 (reemit_notes): Use REG_SAVE_NOTE.
11289 (schedule_block): Likewise.
11290 (schedule_region): Allocate bitmap of blocks in region. Use
11291 count_or_remove_death_notes. Use update_life_info.
11293 * rtl.h (REG_SAVE_NOTE): New.
11294 * rtl.c (reg_note_name): Update.
11296 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
11298 * combine.c (refresh_blocks, need_refresh): New.
11299 (combine_instructions): Allocate refresh_blocks. Invoke
11300 update_life_info if needed.
11301 (distribute_notes): Mark refresh_blocks instead of installing
11303 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
11304 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
11306 * Makefile.in (recog.o): Depend on basic-block.h.
11308 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
11310 * genrecog.c (add_to_sequence): Thinko last change: delete
11311 shadowing allow_const_int variable.
11313 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11315 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
11316 __GNUC__ and __GNUC_MINOR__.
11318 * gansidecl.h: Likewise.
11324 * toplev.h: Likewise.
11326 * tree.c: Likewise.
11328 * tree.h: Likewise.
11330 * varray.c: Likewise.
11332 * varray.h: Likewise.
11334 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11336 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
11337 use one before a jump table.
11339 * rtl.def (ADDRESS): Change documentation to match reality.
11340 * md.texi: Don't document it.
11341 * gmicro.md (load address pattern): Use 'p' constraint, delete use
11344 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
11346 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
11348 * genrecog.c (add_to_sequence): Move allow_const_int test outside
11349 known predicate block; default allow_const_int true.
11350 (debug_decision_list): New.
11352 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
11354 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
11356 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
11358 * gcse.c (gcse_main): Avoid global optimizations if we have a
11359 large number of basic blocks and the ratio of edges to blocks
11361 (delete_null_pointer_checks): Likewise.
11363 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
11365 * c-common.c (check_format_info): Warn if format string isn't a
11368 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
11370 * configure.in (arm*-*-*): Don't let autoconf remove brackets
11371 * configure: regenerate
11373 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
11375 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
11376 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
11377 (peepholes): Re-enable.
11379 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
11381 * Makefile.in (flow.o): Depend on TREE_H.
11382 * basic-block.h (REG_SET_EQUAL_P): New.
11383 (XOR_REG_SET): New.
11384 (n_edges): Declare.
11385 (free_regset_vector): Remove declaration.
11386 (flow_delete_insn_chain): Declare.
11387 (enum update_life_extent): New.
11388 (update_life_info, count_or_remove_death_notes): Declare.
11389 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
11390 Verify register live at bb->global_live_at_start before adding USE.
11391 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
11392 (CLEAN_ALLOCA): New.
11394 (PROP_*): New flags.
11395 (find_basic_blocks_1): Use alloc_EXPR_LIST.
11396 (clear_edges): Zero n_edges.
11397 (make_edge): Increment n_edges.
11398 (split_edge): Don't allocate bb->local_set. Increment n_edges.
11399 (flow_delete_insn_chain): Export.
11400 (delete_block): Decrement n_edges.
11401 (merge_blocks_nomove): Likewise.
11402 (life_analysis): Give life_analysis_1 PROP flags.
11403 (verify_wide_reg_1, verify_wide_reg): New.
11404 (verify_local_live_at_start): New.
11405 (update_life_info): Rewrite to call into propogate_block.
11407 (mark_regs_live_at_end): After reload, if epilogue as rtl,
11408 always mark stack pointer. Conditionally mark PIC register.
11409 After reload, mark call-saved registers, return regsiters.
11410 (life_analysis_1): Accept PROP flags not remove_dead_code.
11411 Call mark_regs_live_at_end before zeroing regs_ever_live.
11412 Use calculate_global_regs_live. Copy global_live_at_end before
11413 calling final propagate_block. Zero reg_next_use on exit.
11414 (calculate_global_regs_live): New.
11415 (allocate_bb_life_data): Don't allocate bb->local_set.
11416 (init_regset_vector, free_regset_vector): Remove.
11417 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
11418 Test flags before every operation. Warn if prologue/epilogue insn
11419 would have been deleted.
11420 (mark_set_regs, mark_set_1): Accept and use FLAGS.
11421 Use alloc_EXPR_LIST.
11422 (mark_used_regs): Accept and use FLAGS, not FINAL.
11423 Remove special handling for RETURN.
11424 (try_pre_increment): Use alloc_EXPR_LIST.
11425 (dump_flow_info): Dump n_edges.
11426 (unlink_insn_chain, split_hard_reg_notes): Remove.
11427 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
11428 (find_insn_with_note, new_insn_dead_notes): Remove.
11429 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
11430 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
11431 (replace_insns): Remove.
11432 (count_or_remove_death_notes): New.
11433 (verify_flow_info): Abort on error after all checks.
11434 (remove_edge): Decrement n_edges.
11435 (remove_fake_edges): Tweek format.
11436 * haifa-sched.c (schedule_insns): Use split_all_insns.
11437 * output.h (update_life_info): Remove declaration.
11438 * recog.c (split_all_insns): From the corpse of split_block_insns,
11439 do the whole function block by block. Use update_life_info.
11440 (recog_last_allowed_insn): New.
11441 (recog_next_insn): Mind it.
11442 (peephole2_optimize): Set it. Walk backwards through blocks.
11443 Use update_life_info.
11444 * rtl.h (update_flow_info, replace_insns): Remove declarations.
11445 (split_all_insns): Declare.
11446 * toplev.c (rest_of_compilation): Thread prologue before flow2.
11447 Use split_all_insns.
11449 * i386.md (or -1 peep2s): Disable.
11451 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
11453 * config/mips/mips.md (movstrsi+[123]) : Combine these into
11454 a single pattern. Scrap the 'd' versions as unnecessary.
11456 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
11457 tablejump_mips162,tablejump_internal4): The operands to a
11458 label_ref must be VOIDmode.
11460 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11462 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
11464 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
11466 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
11468 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
11470 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
11471 cache every function if ggc_p.
11473 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11475 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
11476 instead of copy_rtx. Accept sequences that contain asm statements.
11477 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
11478 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
11479 orig_asm_operands_vector, copy_asm_operands_vector,
11480 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
11482 * rtl.h (copy_insn, copy_insn_1): Declare.
11484 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11486 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
11488 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
11489 arguments to `current_file_function_operand'.
11491 * genrecog.c: Include hard-reg-set.h and resource.h in the
11492 generated output file.
11494 * real.c: Include tm_p.h.
11496 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11498 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
11501 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
11503 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
11504 before the fctiwz insn.
11506 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11507 Mark Mitchell <mark@codesourcery.com>
11509 * tree.c (make_lang_type_fn): New funtion pointer.
11510 (make_lang_type): Call it.
11511 * tree.h (make_lang_type): Declare.
11512 (make_lang_type_fn): Likewise.
11513 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
11515 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
11517 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
11518 make sure that HIGH instructions are copied into BASE_REGS.
11520 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
11522 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
11524 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
11526 * c-decl.c (finish_struct): Use simpler method of
11527 removing elements of a singly-linked list.
11529 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
11531 * alpha.md (peephole2's): Comment out peephole2's that generate
11534 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
11536 * genrecog.c (add_to_sequence): Disable mode check for
11539 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11541 * ggc-simple.c (init_ggc): Set empty_string.
11543 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
11545 * configure.in: Detect mmap. Add --with-gc=foo to select
11546 garbage collector; default to page if mmap available.
11547 * Makefile.in (GGC): Substitute.
11549 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
11551 * c-decl.c (ggc_p): Enable.
11553 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11555 * flow.c (verify_flow_info): Make it extern & unconditionally define.
11557 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
11559 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
11560 string for little-endian-data.
11562 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
11564 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
11565 case somebody tries to compile --enable-checking code with gcc
11568 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
11570 * genrecog.c (add_to_sequence): Verify operand to label_ref is
11573 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
11575 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
11576 * jump.c (jump_optimize_1): Document why.
11578 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11580 * collect2.c (scan_prog_file, scan_libraries): Prototype function
11581 pointers and casts for `int_handler' and `quit_handler'.
11583 * flow.c (verify_flow_info, split_hard_reg_notes,
11584 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
11585 remove_edge, remove_fake_successors): Add static prototypes.
11586 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
11587 (mark_set_1): Initialize variable `regno'.
11588 (unlink_insn_chain): Likewise for variable `curr'.
11589 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
11591 * loop.c (strength_reduce): Initialize variable
11592 `unrolled_insn_copies'.
11593 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
11594 prototypes. Change these functions to take const PTR parameters
11595 to avoid prototype conflict when used as the comparson argument
11597 (check_dbra_loop): Initialize variable `comparison_val'.
11599 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
11600 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
11601 (find_valid_class): Initialize variable `best_class'.
11602 (find_reloads): Call memcpy, not bcopy.
11604 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
11605 (hard_reg_use_compare): Don't needlessly cast away const.
11606 (reload_reg_class_lower): Likewise.
11607 (choose_reload_regs): Initialize variable `regno'.
11609 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
11611 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
11613 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
11615 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
11616 ({,d}discard): Add forward declarations. Declare parameter as
11618 (main_without_main): Explicitly declare return type to be int.
11619 (memcpy): Properly declare.
11621 * libgcc2.c (toplevel): If inhibit_libc is defined and not
11622 building the trampoline support, declare malloc, free, and
11624 (__clear_cache): Mark arguments as potentially unused.
11626 * frame.c (toplevel): If inhibit_libc is defined, declare
11629 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
11631 * flow.c (make_edge): Accept an optional 2D bitmap in which
11632 to cache edge existence. Update all callers.
11633 (make_label_edge, make_eh_edge): Pass through the edge cache.
11634 (make_edges): Provide the cache.
11636 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11638 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
11640 (local_mbtowc): Change the type of variable `i' from int to size_t.
11642 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
11643 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
11645 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
11647 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
11648 after other includes that define the appropriate types. Include
11649 tm_p.h for getting user prototypes.
11650 * ggc-callbacks.c (toplevel): Ditto.
11651 * ggc-none.c (toplevel): Ditto.
11652 * gcc-page.c (toplevel): Ditto.
11653 * ggc-simple.c (toplevel): Ditto.
11655 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
11656 Jonathan Larmour <jlarmour@cygnus.co.uk>
11658 * config/mips/mips.c (mips_move_2words): Split doubles if
11659 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
11661 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
11663 * genrecog.c (struct decision_test): New.
11664 (struct decision): Remove test-related members, sort the rest by size.
11665 (IS_SPLIT): Simplify.
11666 (new_decision, new_decision_test): New.
11667 (add_to_sequence): Use them. No special handling for args of
11669 (maybe_both_true): Renamed from not_both_true; return sense changed.
11670 (maybe_both_true_1, maybe_both_true_2): New. Broken out
11671 of maybe_both_true and adjusted for decision_test.
11672 (position_merit): Remove.
11673 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
11674 (merge_accept_insn): New, broken out of merge_trees.
11675 (merge_trees): Use them. No special case for c_test; no node
11676 splitting; use test type instead of position_merit.
11677 (factor_tests): New.
11678 (simplify_tests): New.
11679 (break_out_subroutines): Don't write code now.
11680 (find_afterward): New.
11681 (write_afterward, write_switch, write_cond): New.
11682 (write_action, is_unconditional): New.
11683 (write_node): New. Use them.
11684 (write_tree_1): Rewrite. Use the new functions above.
11685 (write_tree): Remove afterward processing.
11686 (write_subroutine): Simplify function variant emission.
11687 (write_subroutines): New.
11688 (same_codes, clear_codes): Remove.
11689 (same_modes, clear_modes): Remove.
11690 (write_header): New, broken out of main.
11691 (make_insn_sequence): Use new_decision and new_decision_test.
11692 (process_tree): New, broken out of main.
11693 (main): Adjust for merge_trees interface change.
11694 Don't #define operands in the output file.
11695 (record_insn_name): New, broken out of make_insn_sequence.
11696 (debug_decision_2, debug_decision_1, debug_decision_0): New.
11697 (debug_decision): New.
11699 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
11701 * resource.c (find_free_register): Mark class_str argument const.
11702 * resource.h: Update prototype to match.
11704 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
11705 * i386.md: Give all anonymous insns names.
11707 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
11709 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
11712 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
11714 * toplev.c (dbr_sched_time): Unconditional.
11715 (peephole2_time): New.
11716 (compile_file): Add pass numbers to all of the dump file suffixes.
11717 Dump peephole2_time. Don't dump times for non-applicable passes.
11718 (rest_of_compilation): Add pass numbers to dump file suffixes.
11719 Conditionalize calls to the scheduler.
11720 * invoke.texi: Update.
11722 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
11724 * flow.c (make_edges): Fix insn iteration.
11725 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
11726 (find_basic_blocks_1): Fix spelling mistake.
11728 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
11730 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
11731 always have side-effects. Use memset not bzero.
11732 (make_node): Likewise.
11734 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
11736 * stmt.c (expand_anon_union_decl): When any of the elements of the
11737 union is addressable, so is the entire union.
11739 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
11741 * sbitmap.c (sbitmap_ones): Don't set too many bits.
11743 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
11744 * bitmap.c (bitmap_operation): Return true iff TO changed.
11745 (bitmap_equal_p): New.
11746 (bitmap_bit_p): Tidy arithmetic.
11747 (debug_bitmap_file): Likewise.
11749 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
11751 * toplev.c (rest_of_compilation): Turn on cse_not_expected
11752 before cse2 instead of after.
11754 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
11756 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
11759 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11761 * cppinit.c (is_idchar initializer): Loosen tests to accept
11764 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
11766 * mips.md: Define conditional move patterns for floating point
11767 operands and DI mode conditions.
11769 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
11771 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
11772 always have side-effects.
11774 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
11776 * mn10200.c (asm_file_start): Fix typo.
11778 * cppinit.c (is_idchar initializer): Tighten tests for when
11779 to put the table into initialized memory.
11781 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
11782 not an array of rtunion.
11783 * gcc-page.c (ggc_alloc_rtvec): Similarly.
11784 * gcc-simple (ggc_free_rtvec): Similarly.
11786 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
11789 * mbchar.h: Add missing #endif.
11791 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
11792 (FPBIT, DPBIT): Define.
11794 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11796 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
11798 * profile.c (instrument_arcs, output_gcov_string,
11799 tablejump_entry_p): Add static prototypes.
11800 (output_gcov_string): Constify a char*.
11802 * regmove.c (replacement_quality, fixup_match_2): Add static
11805 * resource.h (reg_dead_p): Add extern prototype.
11807 * rtl.c (trim_filename): Add static prototype.
11809 * scan-decls.c (skip_to_closing_brace): Likewise.
11811 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
11812 (expand_end_case): Initialize variable `range'.
11813 (emit_case_nodes): Remove unused prototype `rtx_fn'.
11815 * varasm.c (asm_emit_uninitialised): Add static prototype.
11816 (asm_emit_uninitialised, assemble_variable): Mark parameter with
11819 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11821 * cpplib.c (if_directive_nameo): Add static prototype.
11823 * cse.c (cse_insn): Remove unused variable `p'.
11825 * except.c (create_rethrow_ref, push_entry,
11826 receive_exception_label, new_eh_region_entry, find_func_region,
11827 clear_function_eh_region, process_nestinfo): Add static prototypes.
11828 (get_reg_for_handler): Hide definition.
11829 (process_nestinfo): Initialize variable `extra_handlers'.
11831 * expr.h (expand_builtin_longjmp): Add extern prototype.
11833 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
11835 * function.c (prepare_function_start): Likewise.
11836 (pop_function_context_from): Mark parameter `context' with
11838 (push_temp_slots_for_block, flush_addressof): Hide definition.
11840 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
11841 solve_program_flow_graph, calculate_branch_probs,
11842 function_summary, main, fancy_abort): Add prototypes.
11844 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
11845 (add_hash): Constify a char*.
11847 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
11848 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
11849 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
11851 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
11853 * lists.c (free_list, zap_lists): Likewise.
11855 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11857 * alias.c (nonlocal_reference_p): Add static prototype.
11859 * bitmap.c (bitmap_element_allocate): Prototype args in function
11862 * builtins.c (stabilize_va_list): Add static prototype.
11863 (expand_builtin_va_arg): Constify a char*.
11865 * c-lex.c (getch, put_back, extend_token_buffer_to,
11866 read_line_number, token_getch, token_put_back): Add static
11869 * c-parse.gperf (hash, is_reserved_word): Likewise.
11871 * cccp.c (is_dir_separator): Likewise.
11873 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11875 * graph.h: New file to prototype functions exported by graph.c.
11877 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
11879 * graph.c: Include graph.h.
11881 * toplev.c: Likewise. Remove redundant prototypes.
11883 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
11885 * invoke.texi: Removed duplicated description for -Q.
11887 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
11889 * extend.texi: Grammar fix in __extension__ text.
11891 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
11893 * md.texi (define_peephole2): New section.
11895 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
11897 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
11898 (mov $-1 to or peepholer): Enable for pentium when optimizing for
11901 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
11903 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
11905 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
11907 * i386.md (ffs expander): Emit Pentium friendly code for
11910 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
11912 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
11914 (build1): Likewise.
11916 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11918 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
11920 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
11922 * config/m68k/m68k.c (use_return_insn): Return false if the pic
11923 register is in use.
11925 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11927 * md.texi (No Constraints): Delete section.
11928 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
11929 * final.c (final_scan_insn): We always have register constraints.
11930 * genattrtab.c: Don't include "insn-config.h".
11931 (write_attr_case): We always have register constraints.
11932 * genconfig.c (register_constraint_flag): Delete.
11933 (walk_insn_part): Don't check whether we have register constraints.
11934 (main): Don't write out "#define REGISTER_CONSTRAINTS".
11935 * genoutput.c (have_constraints): Delete.
11936 (main): Don't set it.
11937 (output_operand_data): We always have constraints.
11938 (scan_operands): Likewise.
11939 (compare_operands): Likewise.
11940 * local-alloc.c (block_alloc): We always have constraints.
11941 (requires_inout): Always compile this function.
11942 * recog.c (extract_insn): We always have constraints.
11943 (constrain_operands, reg_fits_class_p): Always compile these
11945 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
11947 (struct insn_operand_data): Likewise.
11948 * regclass.c (regclass): We always have constraints.
11949 (record_reg_classes, copy_cost, record_address_regs,
11950 auto_inc_dec_reg_p): Always compile these functions.
11951 * regmove.c (regmove_optimize): We always have constraints.
11952 * reload.c (find_reloads): Likewise.
11953 * reload1.c (reload): Likewise.
11954 (reload_cse_simplify_operands): Likewise.
11955 * i860.c (output_delay_insn): Likewise.
11957 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
11959 * iris6.h (BUILD_VA_LIST_TYPE): Define.
11961 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11963 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
11964 for the va_list record.
11966 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
11968 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
11971 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
11973 * alias.c: Include insn-flags.h.
11974 * Makefile.in (alias.o): Update.
11976 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
11978 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
11979 to LTU and GEU. Handle more cases using sbb.
11981 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
11983 * i386.md (truncatexfdf splitters): Do not use subreg.
11984 (fop XFmode patterns): Fix mode in operand testing.
11986 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
11988 * jump.c (jump_optimize_1): Amend last change to test only the
11989 form of the operand, not the insn.
11991 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
11992 not register_operand to determine when B may need preloading.
11994 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
11996 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
11997 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
11998 (call-value patterns): Move to end of file.
11999 (*): Remove mode from label_ref in (pc) context.
12000 (movstrqi): Use memory not general_operand for BLKmode operands.
12001 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
12002 to register_operand operands.
12003 (peep2 patterns): Convert from commented-out peephole patterns.
12005 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12007 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
12008 to BUILT_IN_INIT_DWARF_REG_SIZES.
12009 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
12010 Renamed from BUILT_IN_DWARF_REG_SIZE; call
12011 expand_builtin_init_dwarf_reg_sizes.
12012 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
12013 with __builtin_init_dwarf_reg_size_table.
12014 * dwarf2out.c (struct reg_size_range): Delete.
12015 (expand_builtin_init_dwarf_reg_sizes): New function.
12016 (expand_builtin_dwarf_reg_size): Delete.
12017 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
12018 (expand_builtin_dwarf_reg_size): Don't declare.
12019 * libgcc2.c (dwarf_reg_size_table_initialized): New.
12020 (dwarf_reg_size_table): New.
12021 (init_reg_size_table): New function.
12022 (copy_reg): Use dwarf_reg_size_table.
12023 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
12026 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
12028 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
12029 Correctly build argument list to constructor and destructor functions.
12031 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
12033 * c-tree.h (warn_float_equal): Declare.
12034 * c-decl.c (warn_float_equal): Define.
12035 (c_decode_option): Recognize -W[no-]float-equal.
12036 * c-typeck.c (build_binary_op): Conditionally warn
12037 about equality tests of floating point types.
12038 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
12039 * invoke.texi: Add docs for -Wfloat-equal warning.
12041 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
12043 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
12044 generating RTL directly.
12045 * mips.h (INIT_TARGET_OPTABS): Likewise.
12046 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
12048 * expr.h (init_mov_optab): Delete declaration
12050 * h8300.c (WORD_REG_USED): Update to avoid useless register
12051 saves in interrupt functions and functions which never return.
12053 * cse.c (struct set): Delete inner_dest_loc field.
12054 (cse_insn): Remove assignments to inner_dest_loc field.
12056 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
12058 * ggc-page.c: Don't include <unistd.h> etc taken care of
12059 by "system.h". Include <sys/mman.h> afterward.
12061 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
12063 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
12066 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
12068 * xcoffout.c (xcoffout_declare_function): Add documentation.
12069 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
12070 TARGET_64BIT. Compare constant to -1, not bit pattern.
12071 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
12072 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
12075 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
12077 * dwarf2out.c (add_abstract_origin_attribute): Abort if
12078 origin_die is NULL.
12079 (gen_inlined_enumeration_type_die): Do not abort if the type has
12080 not been writeen out.
12081 (gen_inlined_structure_type_die): Do not abort if the type has
12082 not been writeen out.
12083 (gen_inlined_union_type_die): Do not abort if the type has
12084 not been writeen out.
12085 (gen_tagged_type_instantiation_die): Do not abort if the type
12086 has not been written out.
12088 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12090 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
12092 * reg-stack.c (straighten_stack): Copy hard reg set with
12095 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
12097 * builtins.c (stabilize_va_list): Stabilize array type va_list
12098 to a pointer type, not the base record type.
12099 (expand_builtin_va_copy): Dereference the pointers explicitly;
12100 use the correct size for the copy.
12102 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
12103 (rs6000_va_arg): Likewise.
12105 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
12107 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
12109 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
12111 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
12113 (DECL_BUILT_IN_CLASS): Adjust accordingly.
12115 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
12117 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
12118 (init_ggc): Use it instead of a constant.
12119 (ggc_collect): Bound allocated_last_gc by it.
12121 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
12123 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
12126 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
12128 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
12129 (mips*-*-openbsd*): Let big endian configuration be a fragment.
12130 * configure: Regen.
12131 * config/mips/openbsd.h: New, OpenBSD little endian target.
12132 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
12133 * config/mips/xm-openbsd.h: New, OpenBSD host.
12135 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
12137 * config/m68k/m68k.c (output_function_prologue,
12138 output_function_epilogue): Use
12139 current_function_uses_pic_offset_table instead of regs_ever_live
12140 to decide whether to save/restore pic register.
12141 (legitimize_pic_address): Don't modify regs_ever_live any more.
12143 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
12145 * function.h (struct function): Add x_dont_save_pending_sizes_p.
12146 * stor-layout.c (variable_size): Don't add sizes to the pending
12147 sizes list if x_dont_save_pending_sizes_p is set.
12149 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
12151 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
12152 for symbolic_operand().
12153 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
12155 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12157 * combine.c (gen_rtx_combine): Add missing call to va_end().
12159 * final.c (asm_fprintf): Likewise.
12161 * genattrtab.c (attr_rtx): Likewise.
12163 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
12165 * cse.c: Update comments.
12166 (cse_insn): When converting a conditional/computed jump into
12167 an unconditional jump, always make sure a BARRIER immediately
12168 follows the converted jump. Do not delete unreachable code.
12169 (cse_basic_block): Do not delete unreachable code.
12170 * toplev.c (rest_of_compilation): Move call to
12171 delete_trivially_dead_insns after the conditional call to
12174 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12176 * collect2.c (make_temp_file): Don't prototype.
12178 * gcc.c (make_temp_file): Likewise.
12180 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
12182 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
12184 * varasm.c (asm_emit_uninitialised): New function: Generate
12185 the assembler statements necessary to declare an uninitialised
12187 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
12189 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
12190 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
12192 (assemble_variable): Use asm_emit_uninitialised to emit an
12193 uninitialised variable.
12195 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
12197 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
12198 constant on a 64 bit host. Patch supplied by Geoffrey Keating
12199 <geoffk@cygnus.com>.
12201 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12203 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
12204 * c-common.h (builtin_function): Don't declare.
12206 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
12208 (pushdecl): Likewise.
12209 (finish_decl): Likewise.
12210 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
12211 int. All callers changed.
12212 Set the builtin's DECL_BUILT_IN_CLASS.
12213 * tree.h (enum built_in_class): New.
12214 (enum built_in_function): Delete NOT_BUILT_IN.
12215 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
12217 (DECL_SET_FUNCTION_CODE): Likewise.
12218 (DECL_BUILT_IN_CLASS): New macro.
12219 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
12220 (struct tree_decl): Split builtin function code field into a
12222 (builtin_function): Declare.
12224 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
12226 * optabs.c (init_traps): Fix typo in last change.
12228 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
12230 * toplev.c (rest_of_decl_compilation): Update comment.
12232 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
12234 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
12235 in .sbss if appropriate.
12236 (EXTRA_SECTION_FUNCTIONS): Add sbss.
12237 (SBSS_SECTION_ASM_OP): New macro.
12238 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
12239 (EXTRA_SECTIONS): Add in_sbss.
12240 * config/mips/mips.h: Prototype sbss_section.
12242 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
12244 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
12247 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
12249 * optabs.c (init_traps): Register trap_rtx as a GC root.
12251 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12253 * config/mips/mips.c (function_arg_pass_by_reference): Define
12254 unconditionally, since it's called unconditionally.
12256 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
12258 * toplev.c (documented_lang_options): Add -fshort-wchar.
12259 * c-decl.c (c_decode_option): Likewise.
12260 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
12262 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
12263 * gcc.c (default_compilers): If -fshort-wchar,
12264 override __WCHAR_TYPE__.
12265 * tm.texi (C Dialect Options): Add -fshort-wchar.
12267 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
12268 symbol for a variable.
12270 * cpplib.h (CPP_PREPROCESSED): New macro.
12271 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
12272 we're seeing this input for a second time.
12274 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
12276 * emit-rtl.c (init_emit_once): Initialize modes first.
12278 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
12280 * config/i386/i386.c (pic_label_name): Change to char pointer.
12281 (global_offset_table): New variable.
12282 (load_pic_register): Fill global_offset_table if it hasn't
12283 already been done. Allocate pic_label_name dynamically.
12284 * ggc.h (empty_string): New variable.
12285 * ggc-simple.c (empty_string): Likewise.
12286 (init_ggc): Allocate empty_string and add as root.
12287 * stmt.c (digit_strings): New variable.
12288 (init_stmt): Add last_block_end_note as root. Allocate and
12289 initialize digit_strings.
12290 (expand_asm_operands): Use empty_string instead of string
12291 constant. Use digit_strings instead of string constants.
12292 * profile.c (init_arc_profiler): Allocate string with
12293 ggc_alloc_string instead of xmalloc.
12294 (output_func_start_profiler): Likewise.
12295 * c-typeck.c (digest_init): Check if init is error_mark_node.
12297 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
12298 Richard Henderson <rth@cygnus.com>
12300 * ggc-page.c: New file.
12301 * Makefile.in (ggc-page.o): New.
12303 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
12305 * invoke.texi: Document -fdelete-null-pointer-checks
12306 * toplev.c (flag_delete_null_pointer_checks): New.
12307 (f_options): Add entry for -fdelete-null-pointer-checks.
12308 (rest_of_compilation): Conditionalize null pointer check
12309 elimination on flag_delete_null_pointer_checks.
12310 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
12312 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
12314 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
12315 copyright notice and special exception to GPL.
12317 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12319 * abi64.h (mips_function_value): Add prototype arguments.
12321 * mips-protos.h: New file with mips prototypes.
12323 * mips.c: Include "tm_p.h".
12324 (mktemp, lookup_name): Add prototype arguments.
12325 (extern_list, string_constant, mips_fill_delay_slot,
12326 mips_output_external, mips_output_external_libcall,
12327 mips_output_filename, mips_declare_object, function_prologue,
12328 mips_expand_prologue, function_epilogue, mips16_constant,
12329 build_mips16_function_stub, mips_output_conditional_branch):
12331 (mips_va_start): Remove unused variable `u'.
12332 (mips_va_arg): Cast value to unsigned when comparing against one.
12334 (save_restore_insns, mips_expand_prologue): Add missing arg in
12335 call to `large_int'.
12337 * mips.h: Move prototypes to mips-protos.h.
12338 (data_section, memory_address_p, rdata_section,
12339 readonly_data_section, simple_epilogue_p, text_section): Delete
12340 prototypes delcared elsewhere.
12341 (mips_epilogue_delay_slots, print_options): Delete unused decls.
12343 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
12345 * mips.md: Delete extra args in call to `mips_move_2words'.
12347 * xm-iris6.h (alloca): Add prototype argument.
12349 * genpeep.c: Include "tm_p.h" in generated output file.
12351 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
12353 * basic-block.h (find_edge_index): Change parameters.
12354 * flow.c (verify_edge_list): Pass basic_block parameters to
12355 find_edge_index instead of integers.
12357 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
12359 * combine.c (simplify_comparison): Use an unsigned shift to adjust
12362 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
12364 * gcc.1: Fix a formatting error.
12366 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12368 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
12369 i786, mn10200, mn10300, pdp11, v850.
12371 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
12373 * libgcc2.c (num_digits): Add prototype with
12374 __attribute__((const)).
12375 (__terminate): Add prototype.
12377 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
12379 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
12381 * alpha/alpha.c (print_operand): Fix type of `code'.
12382 (alpha_output_filename): Constify.
12383 * alpha/alpha.h: Move all function declarations ...
12384 * alpha/alpha-protos.h: ... here. New file.
12385 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
12386 (SECTION_FUNCTION_TEMPLATE): Likewise.
12388 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12390 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
12391 * expr.c (expand_expr): Likewise.
12392 (do_jump): Likewise.
12393 (do_store_flag): Pass ccp_store_flag to can_compare_p.
12394 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
12396 (enum can_compare_purpose): New.
12397 (can_compare_p): Adjust prototype.
12398 (prepare_cmp_insn, prepare_operand): Declare.
12399 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
12400 * optabs.c (cmp_available_p): Deleted.
12401 (expand_abs): Pass ccp_jump to can_compare_p.
12402 (can_compare_p): New arg PURPOSE. Check for combined optabs.
12403 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
12404 Call can_compare_p rather than cmp_available_p.
12405 (prepare_operand): No longer static.
12406 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
12407 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
12408 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
12409 sequence to use emit_cmp_and_jump_insns.
12410 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
12412 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
12414 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
12415 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
12416 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
12417 (plus (reg) (const_int 0))
12418 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
12420 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
12422 * rs6000.c (expand_block_move): DImode loads and stores require
12423 word-aligned displacements. Increment address registers with
12424 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
12426 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
12428 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
12429 is no name for the base type, rather than segfault. If we are
12430 writing out a complex integer type, use DW_ATE_lo_user.
12432 * expr.c (emit_move_insn_1): If we are copying a complex that fits
12433 in one word or less (complex char, complex short, or on 64 bit
12434 systems complex float) to/from a hard register, copy it through
12435 memory instead of dying in gen_{real,imag}part. If we have a
12436 short complex type, prevent inlining since it allocates stack
12439 * tree.c (build_complex_type): If we are writing dwarf2 output,
12440 generate a name for complex integer types.
12442 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
12444 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
12445 * flow.c (remove_edge): Remove extra whitespace.
12446 (remove_fake_edges): Fix comment.
12447 (add_noreturn_fake_exit_edges): Use the correct name.
12449 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
12451 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
12452 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
12453 (clean): Depend on INTL_CLEAN.
12454 (maintainer-clean): Adjust.
12456 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12458 * configure.in (AC_PREREQ): Bump to 2.13.
12459 (AC_C_STRINGIZE): Call this instead of using a custom macro.
12461 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
12463 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
12465 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
12467 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
12468 (HAVE_STRINGIZE): Define.
12470 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
12472 * c-parse.in: save and restore warn_pointer_arith on __extension__
12473 along with pedantic.
12474 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
12475 Set the type of extension to itype rather than $<itype>1 kludge.
12476 * extend.texi (Alternate Keywords): Adjust documentation.
12477 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
12479 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
12481 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
12482 most assembler templates.
12484 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
12485 FP loads and stores.
12486 (following_call): Always return zero for the PA8000.
12487 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
12488 FP loads and stores.
12489 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
12491 * pa.h (BRANCH_COST): Define.
12493 * pa.md (return, return_internal): Use bve for PA2.0.
12495 * pa.md (fused multiply): Add variants which reduce height for the
12496 fused multiply, but which still generate 2 insns.
12497 (fnegabs): Similarly.
12499 * pa.md (subsi3): Turn into an expander. Create two anonymous
12500 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
12501 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
12503 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
12505 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
12507 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
12508 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
12510 * regclass.c (init_regs): Add "top_of_stack" as a garbage
12513 * flow.c (record_active_eh_regions): Terminate loop after finding
12514 the last insn in the last basic block.
12516 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12518 * config/c4x/c4x.md: Delete parallel instruction peepholes.
12520 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12522 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
12524 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12526 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
12527 splitting to not use output template.
12529 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12531 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
12532 * config/c4x/c4x.c (c4x_va_start): New function.
12534 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
12536 * genrecog.c (not_both_true): Handle correctly cases when called for
12537 tests with different positions in the insn.
12539 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12541 * machmode.h (HOST_PTR_PRINTF): Move from here ...
12543 * system.h (HOST_PTR_PRINTF): ... to here.
12545 * mips-tfile.c: Don't include machmode.h.
12547 * Makefile.in (MACHMODE_H): New variable. Update to use it.
12548 (mips-tfile.o): Don't depend on machmode.h.
12550 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12552 * haifa-sched.c (sched_analyze): Rename local variable `region' to
12553 avoid conflicts with typedef struct `region' at the top level scope.
12555 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
12557 * basic-block.h (basic_block): Add eh_beg, eh_end.
12558 * flow.c (entry_exit_blocks): Update.
12559 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
12560 Call new functions.
12561 (find_basic_blocks_1): Don't record eh_list at each bb. Use
12562 lists.c functions to allocate insn lists.
12563 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
12565 (make_eh_edge): ... here. New.
12566 (move_stray_eh_region_notes): New.
12567 (record_active_eh_regions): New.
12568 (delete_unreachable_blocks): Split out block merging ...
12569 (try_merge_blocks): ... here. New.
12570 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
12571 Dump debugging data.
12572 (merge_blocks_move_successor_nojumps): Likewise.
12573 (merge_blocks): Use eh_beg+eh_end to validate block movement.
12575 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12577 * extend.texi (Bound member functions): Document unbound pmf
12580 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
12582 * flow.c (split_edge): Handle insertion on a fallthrough edge which
12583 has the EXIT_BLOCK as a dest.
12585 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
12587 * flow.c (remove_edge): New function to remove an edge from the
12589 (remove_fake_successors): New function to remove fake successor edges.
12590 (remove_fake_edges): New function to remove all fake edges from the
12592 (add_fake_exit_edges): New function to add fake edges from all blocks
12593 with no successors to the exit block.
12594 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
12595 prototypes for new functions.
12597 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
12599 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
12600 Use Pmode to determine whether to output .dword or .word.
12602 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
12604 * tree.c (built_in_filename): New variable.
12605 (BUILT_IN_FILENAME): New macro.
12606 (init_tree_codes): Allocate built_in_filename.
12607 (make_node): Use built_in_filename instead of string constant.
12609 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
12611 * configure.in: Add fr30 target.
12612 * configure: Regenerate.
12613 * config/fr30: New directory.
12614 * config/fr30/crti.asm: New file.
12615 * config/fr30/fr30.c: New file.
12616 * config/fr30/crtn.asm: New file.
12617 * config/fr30/fr30.h: New file.
12618 * config/fr30/fr30.md: New file.
12619 * config/fr30/lib1funcs.asm: New file.
12620 * config/fr30/t-fr30: New file.
12621 * config/fr30/xm-fr30.h: New file.
12623 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
12625 * flow.c (merge_blocks_move_successor_nojumps): Delete the
12626 BARRIER at the end of the successor, not the BARRIER before
12629 * pa.c (pa_add_gc_roots): Fix thinko in last change.
12631 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
12633 * stmt.c (any_pending_cleanups): Don't crash when
12634 current_function->stmt is unset.
12636 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12638 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
12639 other initializations that may use it for relative offsets.
12641 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12643 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
12644 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
12645 * config/i386/sol2dbg.h: Removed.
12646 * config/i386/sol2gas.h: New file, to enable gas work-around.
12647 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
12648 Don't use sol2dbg.h.
12649 * configure: Rebuilt.
12651 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
12653 * invoke.texi (-fthis-is-variable): Remove documentation.
12655 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
12657 * basic-block.h (compute_bb_for_insn): Declare.
12658 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
12659 to use; set size of basic_block_for_insn directly.
12660 (find_basic_blocks): Update.
12662 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12664 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
12666 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12668 * crtstuff.c (ON_EXIT): Delete empty macro definition.
12669 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
12671 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
12673 * c-decl.c (c_decode_option): Extend comment.
12675 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
12677 * toplev.c (progname): Make 'const char *'
12678 (flag_print_mem): Move out of main.
12679 (version_flag): Move out of main.
12680 (filename): Move out of main.
12681 (debug_args): Remove g prefix from options.
12682 (documented_lang_options): Remove cpplib specific options.
12683 (display_help): Add g prefix to debug options.
12684 (check_lang_option): Delete this function.
12685 (decode_d_option): New function: Decode -d... option.
12686 (decode_f_option): New function: Decode -f... option.
12687 (decode_W_option): New function: Decode -W... option.
12688 (decode_g_option): New function: Decode -g... option.
12689 (independent_decode_option): New function: Decode a language
12690 independent command line option.
12691 (main): Invoke lang_decode_option and then
12692 independent_decode_option on each command line option in
12695 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
12697 Revert this change. Gavin's patch to operand_equal_p is a better fix.
12698 * fold-const.c (fold_range_test): Do not try to fold the range
12699 test if the rhs or lhs has side effects.
12701 * basic-block.h (compute_flow_dominators): Declare.
12703 * gcse.c (alloc_code_hoist_mem): New function.
12704 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
12705 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
12706 (hoist_code, one_code_hoisting_pass): Likewise.
12707 (gcse_main): If optimizing for size, then hoist expressions
12708 computed in multiple dominated basic blocks.
12710 * gcse.c (invalid_nonnull_info): New function.
12711 (delete_null_pointer_checks): Likewise.
12712 * rtl.h (delete_null_pointer_checks): Declare.
12713 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
12715 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
12716 (merge-blocks_move_successor_nojumps): Likewise.
12717 (merge_blocks): Allow merging of some blocks, even if it requires
12718 physical movement of the blocks, but not if it requires new jumps.
12720 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
12721 Callers and prototype changed.
12722 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
12724 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12726 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
12727 -YP when both -p and -pg are present. From i386/sol2.h.
12729 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12731 * Makefile.in (distclean): Delete tm_p.h.
12732 * configure.in: Create a new file, "tm_p.h", from a list in
12733 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
12734 "i386/i386-protos.h".
12736 * alias.c: Include "tm_p.h".
12737 * c-typeck.c: Likewise.
12738 * calls.c: Likewise.
12740 * emit-rtl.c: Likewise.
12741 * explow.c: Likewise.
12742 * expmed.c: Likewise.
12743 * expr.c: Likewise.
12744 * final.c: Likewise.
12745 * flow.c: Likewise.
12746 * fold-const.c: Likewise.
12747 * function.c: Likewise.
12748 * gcse.c: Likewise.
12749 * global.c: Likewise.
12750 * haifa-sched.c: Likewise.
12751 * integrate.c: Likewise.
12752 * jump.c: Likewise.
12753 * local-alloc.c: Likewise.
12754 * loop.c: Likewise.
12755 * optabs.c: Likewise.
12756 * recog.c: Likewise.
12757 * reg-stack.c: Likewise.
12758 * regclass.c: Likewise.
12759 * regmove.c: Likewise.
12760 * reload.c: Likewise.
12761 * reload1.c: Likewise.
12762 * reorg.c: Likewise.
12763 * resource.c: Likewise.
12764 * stmt.c: Likewise.
12765 * stor-layout.c: Likewise.
12766 * toplev.c: Likewise.
12767 * tree.c: Likewise.
12768 * unroll.c: Likewise.
12769 * genattrtab.c (main): Make generated file include "tm_p.h".
12770 * genemit.c (main): Likewise.
12771 * genoutput.c (main): Likewise.
12772 * genrecog.c (main): Likewise.
12774 * i386.h: Delete all prototypes.
12775 * i386.c: Include "tm_p.h".
12776 (ix86_attr_length_default): Call constant_call_address_operand
12777 with correct number of arguments.
12778 * i386-protos.h: New file.
12779 * i386.md (unnamed patterns): Call constant_call_address_operand
12780 with correct number of arguments.
12781 (exception_receiver): Call load_pic_register with correct number
12784 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
12786 * c-pragma.c (mark_align_stack): Dereference the void* properly.
12788 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
12790 * rtl.h (insns_safe_to_move_p): New function.
12791 * loop.c (find_and_verify_loops): Use it.
12792 * rtlanal.c (insns_safe_to_move_p): Define it.
12794 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
12796 * c-pragma.c: Include ggc.h.
12797 * Makefile.in (c-pragma.o): Update.
12799 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12801 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
12802 (LIB_SPEC): Likewise.
12803 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
12804 Reindent -YP/-p/-pg.
12805 Copied from config/sparc/sol2.h.
12807 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
12809 * c-pragma.c (mark_align_stack): New.
12810 (init_pragma): New.
12811 * c-pragma.h (init_pragma): Declare it.
12812 * c-lex.c (init_parse): Call it.
12814 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12816 * configure.in: Pick up thread library on Solaris/x86 just
12817 like on Solaris/sparc.
12818 * configure: Rebuilt.
12820 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
12822 * rtl.h (global_rtx_index): New enum.
12823 (global_rtl): Change to array of rtx.
12824 (pc_rtx, cc0_rtx): Redefine accordingly.
12825 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
12826 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
12827 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
12828 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
12829 (const_int_rtx): Change to array of rtx.
12830 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
12832 * emit-rtl.c (global_rtl): Change to array of rtx.
12833 (const_int_rtx): Change to aray of rtx.
12834 (gen_rtx_CONST_INT): Redefine accordingly.
12835 (init_emit_once): Allocate and initialize global_rtl. Likewise
12836 for const_int_rtx. Add both as GC roots.
12837 * genattrtab.c (global_rtl): Update declaration.
12839 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
12841 * Makefile (USER_H): Add iso646.h back.
12843 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
12845 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
12846 zapping the LOG_LINKS of sched_before_next_call.
12848 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
12849 * pa.c (insn_refs_are_delayed): Renamed from
12850 insn_sets_and_refs_are_delayed.
12852 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
12854 * functiion.h (struct function): Add x_whole_function_mode_p.
12855 (retrofit_block): Declare.
12856 * function.c (retrofit_block): New function.
12857 (identify_blocks): Add assertions. Allow an incomplete set of
12858 block notes if we're still generating code for the function.
12859 * integrate.c: Include loop.h.
12860 (expand_inline_function): Call find_loop_tree_blocks to map block
12861 notes to blocks when in whole-function mode. Use retrofit_block
12862 to insert new BLOCKs for the inlined function, rather than
12864 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
12865 * Makefile.in (integrate.o): Depend on loop.h.
12867 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
12869 * tree.h (warn_about_unused_variables): Declare.
12870 * stmt.c (warn_about_unused_variables): New function, split out
12872 (expand_end_bindings): Here.
12874 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
12876 * stmt.c (preserve_subexpressions_p): Don't crash when
12877 current_function->stmt is unset.
12879 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
12881 * stmt.c (expand_start_bindings): Allow callers to pass a flag
12882 indicating that no NOTE_INSN_BLOCK_BEG note is required.
12883 (expand_start_target_temps): Use it.
12884 * except.c (expand_eh_region_start_for_decl): Likewise.
12885 * expr.c (expand_expr): Likewise.
12887 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
12889 * fold-const.c (operand_equal_p): Pay attention to side effects.
12891 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
12893 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
12894 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
12896 * tlink.c (scan_linker_output): Look for keywords before accepting
12897 a mangled name in quotes.
12899 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
12901 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
12902 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
12904 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
12906 * alpha.md: Revert Thu Nov 26 change that came in through the
12907 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
12908 Avoid earlyclobber when possible.
12910 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12912 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
12914 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
12915 Define HAVE_ON_EXIT.
12917 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12919 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
12920 CTYPE_CONV in all ctype macros.
12922 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
12925 * cexp.y (initialize_random_junk): Likewise.
12927 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
12929 * i370.c (handle_pragma): Likewise.
12931 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
12933 * v850.c (override_options): Likewise.
12935 * doprint.c (_doprnt): Likewise.
12937 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
12940 * fixinc/server.c (load_data): Likewise.
12942 * fold-const.c (real_hex_to_f): Likewise.
12944 * genattr.c (write_upcase, gen_attr): Likewise.
12946 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
12947 write_upcase): Likewise.
12949 * genemit.c (print_code): Likewise.
12951 * genopinit.c (gen_insn): Likewise.
12953 * genpeep.c (print_code): Likewise.
12955 * genrecog.c (print_code): Likewise.
12957 * optabs.c (init_libfuncs): Likewise.
12959 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
12961 * haifa-sched.c (sched_analyze): Keep the list of notes organized
12963 (reemit_notes): Likewise.
12965 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
12967 * ggc.h (ggc_root): Move to ggc-common.c.
12969 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
12970 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
12971 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
12972 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
12973 * ggc-common.c (ggc_root): Move from ggc.h.
12974 (roots): Declare, static.
12975 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
12976 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
12977 null or check/set mark bit.
12978 (ggc_mark_roots): New.
12979 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
12981 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
12983 * m32r.c: Include toplev.h.
12984 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
12985 (gen_compare): Rename swap_p to must_swap to match uses.
12986 Add default abort case.
12987 (m32r_output_function_epilogue): Remove unused variables.
12988 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
12989 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
12990 define to empty parameter list. Update all uses.
12991 (predicate decls): Use enum machine_mode not int.
12992 * m32r.md (movsi): Call abort, not fatal_insn.
12993 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
12995 1999-09-14 Andrew Haley <aph@cygnus.com>
12997 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
12998 use $0 instead of 0.
13000 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13002 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
13003 computation out of loop over hard regs.
13005 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
13007 * function.c (identify_blocks): Don't shadow a variable in an
13009 * integrate.c (integrate_decl_tree): Don't use pushlevel,
13010 pushdecl, or poplevel to build up the new BLOCK tree.
13011 (expand_inline_function): Likewise.
13012 (integrate_parm_decls): Likewise.
13014 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
13016 * c-typeck.c (qualify_type): Merge qualifiers from both types.
13018 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
13020 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
13021 * invoke.texi: Document this change.
13023 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
13025 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
13027 (mark_emit_status): Renamed from mark_emit_state.
13028 * except.c (mark_eh_status): Renamed from mark_eh_state.
13029 Check not null before marking.
13030 (free_eh_status): New.
13031 * expr.c (mark_expr_status, free_expr_status): New.
13032 * function.c (free_machine_status): New.
13033 (free_after_parsing): New.
13034 (free_after_compilation): Move bits to free_after_parsing; call
13035 free_eh_status, free_expr_status; zero the marked members of the
13037 (prepare_function_start): No can_garbage_collect.
13038 Call init_eh_for_function.
13039 (expand_dummy_function_end): Free up current_function state.
13040 (mark_function_status): Renamed from mark_function_state.
13041 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
13042 * function.h (struct function): No can_garbage_collect.
13043 (free_machine_status, free_after_parsing): Declare.
13044 (free_eh_status, free_expr_status): Declare.
13045 * ggc.h (mark_expr_status): Declare.
13046 * stmt.c (free_stmt_status): Free the struct.
13047 (mark_stmt_status): Renamed from mark_stmt_state.
13048 (init_stmt): Don't call init_eh.
13049 (init_stmt_for_function): Don't call init_eh_for_function.
13050 * toplev.c (compile_file): Call init_eh.
13051 (rest_of_compilation): Free basic block info before ggc_collect.
13052 Call free_after_parsing; conditionally call free_after_compilation.
13053 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
13054 Check not null before marking.
13055 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
13057 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
13059 * c-lex.c (yylex): Initialize warn.
13061 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
13063 * pa.c (emit_move_sequence): Properly set the mode of the scratch
13064 register when performing secondary reloads for the SAR register.
13066 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
13068 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
13069 (NOTE_BLOCK): New macro.
13070 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
13071 * function.h (identify_blocks): Change prototype.
13072 * function.c (identify_blocks): Simplify.
13073 (reorder_blocks): Likewise.
13074 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
13075 NOTE_INSN_BLOCK_{BEG,END}.
13076 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
13077 the list of saved notes if the note isn't a
13078 NOTE_INSN_BLOCK_{BEG,END}.
13079 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
13081 (reemit_notes): Adjust recreation of notes to reflect new saved
13083 * print-rtl.c (print_rtx): Print the address of the BLOCK when
13084 printing a block note.
13085 * stmt.c (block_vector): Remove.
13086 (find_loop_tree_blocks): Simplify.
13087 (unroll_block_trees): Likewise.
13088 * tree.h (reorder_block): Change prototype.
13090 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
13092 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
13093 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
13094 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
13095 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
13096 (atexit, exit): Simplify.
13097 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
13098 * config/lots: Remove defns of HAVE_ATEXIT.
13100 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
13102 * calls.c (precompute_arguments): Fix typo in comment.
13103 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
13106 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
13108 * dsp16xx.c (override_options): Fix typos in GC root registration.
13110 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
13112 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
13113 from config/svr4.h.
13114 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
13115 (FUNCTION_PROFILER): Redefine appropriately for Linux.
13116 (CC1_SPEC): Likewise.
13118 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13120 * genattr.c (main): Add extern prototype. Call return, not exit.
13121 * genattrtab.c (main): Likewise.
13122 * gencheck.c (main): Likewise.
13123 * gencodes.c (main): Likewise.
13124 * genconfig.c (main): Likewise.
13125 * genemit.c (main): Likewise.
13126 * genextract.c (main): Likewise.
13127 * genflags.c (main): Likewise.
13128 * gengenrtl.c (main): Likewise.
13129 * genopinit.c (main): Likewise.
13130 * genoutput.c (main): Likewise.
13131 * genpeep.c (main): Likewise.
13132 * genrecog.c (main): Likewise.
13134 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
13135 * genattrtab.c (get_insn_name): Likewise.
13136 * gencodes.c (get_insn_name): Likewise.
13137 * genconfig.c (get_insn_name): Likewise.
13138 * genemit.c (get_insn_name): Likewise.
13139 * genextract.c (get_insn_name): Likewise.
13140 * genflags.c (get_insn_name): Likewise.
13141 * genopinit.c (get_insn_name): Likewise.
13142 * genpeep.c (get_insn_name): Likewise.
13144 * gencheck.c (usage): Add static prototype.
13145 * genextract.c (print_path): Constify a char*.
13146 * genopinit.c (optabs): Likewise.
13147 * genoutput.c (operand_data, data, output_predicate_decls,
13148 compare_operands): Likewise.
13149 * genrecog.c (write_tree): Add default case in switch.
13151 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13153 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
13155 * print-rtl.c (get_insn_name): Remove prototype.
13157 * toplev.h (progname): Declare const.
13159 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
13160 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
13161 dump_sched_info, dump_local_alloc, regset_release_memory,
13162 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
13163 error_with_file_and_line, error_with_decl, error_for_asm, error,
13164 fatal, warning_with_file_and_line, warning_with_decl, warning,
13165 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
13166 Remove redundant prototypes.
13168 (notice, check_lang_option, report_file_and_line, vnotice,
13169 mark_file_stack): Add static prototype.
13170 (set_fatal_function): Add prototype.
13171 (vnotice, report_file_and_line, set_fatal_function,
13172 check_lang_option): Constify a char*.
13173 (main): Prototype. Call return, not exit.
13175 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13177 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
13179 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
13181 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
13183 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
13185 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13187 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
13188 behave as if it's zero in all cases.
13189 (expand_function_start): Adjust call to assign_parms.
13190 * tree.h (assign_parms): Adjust prototype.
13191 * objc/objc-act.c (hack_method_prototype): Adjust call to
13194 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
13196 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
13197 arg_pointer_rtx fixed if the argument pointer register is
13199 (NONZERO_BASE_PLUS_P): Likewise.
13201 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
13203 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
13204 match_insn2 to match_insn.
13205 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
13207 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
13209 * Makefile.in (USER_H): Remove va-foo.h.
13211 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
13212 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
13213 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
13214 va-spur.h,va-v850.h}: Remove.
13216 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
13218 * sparc/sparc.md (eligible_for_return_delay): New attribute.
13219 (in_return_delay): Use it instead of match_insn.
13221 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13223 * config/alpha/va_list.h (va-alpha.h): Do not include.
13224 (__gnuc_va_list): Typedef as in varargs.h.
13226 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
13228 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
13229 DECL_LIVE_RANGE_RTL.
13231 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
13233 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
13234 not NOTE_BLOCK_NUMBER.
13235 (expand_eh_region_end): Likewise.
13236 (find_exception_handler_labels): Likewise.
13237 (scan_region): Likewise.
13238 (exception_optimize): Likewise.
13239 (update_rethrow_references): Likewise.
13240 (set_insn_eh_region): Likewise.
13241 * final.c (final_scan_insn): Likewise.
13242 * flow.c (make_edges): Likewise.
13243 * integrate.c (expand_inline_function): Likewise.
13244 * print-rtl.c (print_rtx): Likewise.
13246 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
13248 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
13249 terms of builtin functions and types.
13251 * mips.c (mips_build_va_list): New.
13252 (mips_va_start, mips_va_arg): New.
13253 * mips.h (BUILD_VA_LIST_TYPE): New.
13254 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
13256 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
13257 (sh_build_va_list, sh_va_start, sh_va_arg): New.
13258 * sh.h (BUILD_VA_LIST_TYPE): New.
13259 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
13261 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
13263 * recog.h (struct recog_data): Make dup_num, operand_address_p,
13264 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
13265 (struct insn_data): Likewise with n_operands, n_dups,
13266 n_alternatives, output_format.
13267 * regclass.c (scan_one_insn): Cast n_operands to int before
13268 arithmetic inside comparison.
13270 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
13272 * toplev.c (compile_function): Unconditionally emit nop.
13274 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13276 * haifa-sched.c (actual_hazard): Move declaration of variable
13277 `this_cost' into the scope where it is used.
13279 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13281 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
13282 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
13283 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
13285 * genrecog.c (make_insn_sequence): Call memset, not bzero.
13287 * jump.c (find_insert_position): Don't declare or define unless
13288 !HAVE_conditional_arithmetic.
13289 (returnjump_p_1, delete_prior_computation): Add static prototypes.
13291 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
13293 * recog.c (offsettable_address_p): Prototype function pointer.
13294 (preprocess_constraints): Call memset, not bzero.
13296 * tree.c (tree_node_kind_names): Constify a char*. Make static.
13297 (gcc_obstack_init): Don't declare.
13298 (fix_sizetype): Add static prototype.
13299 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
13300 (tree_cons): Call memset, not bzero.
13302 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
13303 definition in macro ASM_WEAKEN_LABEL.
13304 (mark_const_hash_entry): Add static prototype.
13306 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13308 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
13310 * unroll.c (find_common_reg_term, subtract_reg_term,
13311 loop_find_equiv_value): Add static prototypes.
13312 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
13313 (copy_loop_body): Remove unreachable break statement.
13315 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
13317 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
13319 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13321 Undo some changes from the gcc2 merge:
13322 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
13323 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
13327 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
13328 * emit-rtl.c (gen_lowpart_common): Disable optimization of
13329 initialized float-int union if the value is a NaN.
13331 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
13333 * gthr-win32.h: New file.
13335 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
13336 shared as a valid attribute.
13337 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
13338 * extend.texi: Document `shared' variable attribute.
13340 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
13342 * configure.in: Handle --enable-threads on FreeBSD.
13343 * configure: Rebuit.
13345 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
13347 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
13349 * configure: Rebuilt.
13351 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
13352 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
13353 Rosimildo DaSilva <rdasilva@connecttel.com>
13355 * configure.in (m68k-*-rtemscoff*): Added.
13356 * configure.in (mips64orion-*-rtems*): Converted to ELF.
13357 * configure.in (sparc-*-rtemsaout*): Added as alias for old
13358 sparc-rtems configuration.
13359 * configure.in (sparc-*-rtemself*): Added.
13360 * configure.in (sparc-*-rtems*): Now ELF not a.out.
13361 * config/i386/rtems.h: Added comment.
13362 * config/sparc/rtemself.h: New file.
13364 * configure.in (m68k-rtemself): Added.
13365 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
13366 and DWARF_DEBUGGING_INFO.
13367 * config/m68k/crti.s: New file.
13368 * config/m68k/crtn.s: New file.
13369 * config/m68k/t-crtstuff: New file.
13370 * config/m68k/rtemself.h: New file.
13372 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
13373 global ctor/dtor and C++ exception handling.
13374 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
13375 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
13377 * config/i386/t-rtems-i386: New File.
13379 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
13381 * stmt.c (expand_end_case): Return right away if the case stack is
13384 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
13386 * Makefile.in (version.c): Remove rule incorrectly brought in from
13389 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
13391 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
13392 * msdos/top.sed: Take into account a prepended $(SHELL) to
13394 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
13396 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
13398 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13400 * regmove.c (fixup_match_1): Don't change an unchanging register.
13401 (stable_but_for_p): Renamed to:
13402 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
13403 Changed all callers.
13405 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
13407 * loop.c (strength_reduce): Don't call reg_used_between_p if the
13408 insn from BL2 is after the insn from BL.
13410 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
13412 * recog.h (INSN_OUTPUT_FORMAT_*): New.
13413 (struct insn_data): Merge `template' and `outfun' into `output'.
13414 Add `output_format'.
13415 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
13416 (struct data): Remove `outfun'; add `output_format'.
13417 (name_for_index): Remove declaration.
13418 (output_insn_data): Handle output formats.
13419 (process_template): Emit the bare array for @.
13420 (gen_expand, gen_split): Set output_format to NONE.
13421 * output.h (get_insn_template): Declare.
13422 * final.c (get_insn_template): New.
13423 (final_scan_insn): Use it.
13424 * toplev.c (compile_file): Likewise.
13426 * c4x/c4x.c (c4x_process_after_reload): Likewise.
13427 * i860/i860.c (output_delayed_branch): Likewise.
13428 (output_delay_insn): Likewise.
13430 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13432 * rtl.c (obstack_alloc_rtx): Removed.
13434 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
13436 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
13438 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
13440 * i386.c (call_insn_operand): Reject const_int.
13441 (expander_call_insn_operand): Use call_insn_operand.
13443 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13445 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
13447 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
13449 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
13450 Use DImode operation.
13452 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
13454 * gcc.c: Include sys/resource.h.
13455 (report_times): New flag.
13456 (execute): If report_times is set, calculate and report the
13457 CPU time consumed by each subprocess.
13459 (rus, prus): New globals.
13460 (option_map): Add --time.
13461 (display_help): Document -time.
13462 (process_command): Set report_times if -time is given.
13463 Turn off -pipe if -time is given.
13465 * invoke.texi: Document new option -time.
13467 * configure.in: Check for getrusage. Check if we have to
13468 prototype getrusage.
13469 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
13470 * configure: Regenerate.
13471 * config.in: Regenerate.
13473 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
13475 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
13478 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
13480 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
13481 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
13482 (nan): Return _thenan_sf or _thenan_df as appropriate.
13483 (L_thenan_sf): Define _thenan_sf.
13484 (L_thenan_df): Define _thenan_df.
13486 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
13487 (DPBIT_FUNCS): Add _thenan_df.
13489 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
13491 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
13494 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13496 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
13499 (lang_specific_driver): Don't take a function pointer parameter.
13500 All callers changed.
13502 * gcc.c: Include gcc.h.
13503 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
13504 lang_specific_extra_outfiles, fatal): Don't declare.
13505 (multilib_defaults_raw): Constify.
13506 (read_specs): Call memset, rather than bzero.
13507 (main): Call return, not exit.
13508 (lookup_compiler): Call memcpy, not bcopy.
13509 (fatal): Make extern.
13511 * cppspec.c: Include gcc.h.
13512 (lang_specific_driver): Initialize variable `quote'. Constify a
13513 char*. All calls to the function pointer parameter now
13514 explicitly call `fatal'.
13516 * gccspec.c (lang_specific_driver): Include gcc.h.
13518 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
13520 * arm.c (note_invalid_constants): Use recog_data.operand_type
13523 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13525 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
13528 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
13529 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
13530 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
13531 reload_secondary_in_reload, reload_secondary_out_reload,
13532 reload_secondary_in_icode, reload_secondary_out_icode,
13533 reload_reg_rtx, reload_when_needed): Delete declarations.
13534 (struct reload): New structure.
13535 (rld): Declare new array.
13536 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
13537 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
13538 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
13539 reload_secondary_in_reload, reload_secondary_out_reload,
13540 reload_secondary_in_icode, reload_secondary_out_icode,
13541 reload_reg_rtx, reload_when_needed): Delete definitions.
13543 (whole file): Replace uses of the deleted arrays with uses of rld.
13544 * reload1.c (whole file): Replace uses of the deleted arrays with
13546 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
13547 explicit loops, not with bcopy.
13549 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
13551 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
13552 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
13553 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
13554 insn_name): Delete and consolidate into new structures.
13555 (insn_operand_predicate_fn): New.
13556 (insn_output_fn): New.
13557 (insn_gen_fn): New.
13558 (struct insn_operand_data): New.
13559 (struct insn_data): New.
13561 (OUT_FCN): Update for insn_data change.
13562 * builtins.c (expand_builtin_strlen): Likewise.
13563 (expand_builtin_memcmp): Likewise.
13564 * combine.c (make_extraction, simplify_comparison): Likewise.
13565 * cse.c (canon_reg, cse_insn): Likewise.
13566 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
13567 * expmed.c (store_bit_field, extract_bit_field): Likewise.
13568 (emit_store_flag): Likewise.
13569 * expr.c (convert_move, emit_block_move): Likewise.
13570 (clear_storage, emit_push_insn, expand_increment): Likewise.
13571 (do_store_flag): Likewise.
13572 * expr.h (GEN_FCN): Likewise.
13573 (insn_gen_function): Die.
13574 * final.c (final_scan_insn): Update for insn_data change.
13575 (output_asm_name): Likewise.
13576 * function.c (fixup_var_refs_1): Likewise.
13577 * loop.c (check_dbra_loop): Likewise.
13578 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
13579 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
13580 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
13581 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
13582 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
13583 * regmove.c (gen_add3_insn): Likewise.
13584 * reload.c (push_secondary_reload, combine_reloads): Likewise.
13585 (find_reloads, find_reloads_address_1): Likewise.
13586 (debug_reload_to_stream): Likewise.
13587 * reload1.c (emit_reload_insns, gen_reload): Likewise.
13588 * stmt.c (expand_end_case): Likewise.
13589 * toplev.c (compile_file): Likewise.
13591 * c4x/c4x.c (c4x_process_after_reload): Likewise.
13592 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
13594 * print-rtl.c (insn_name_ptr): Remove declaration.
13595 (get_insn_name): Declare.
13596 (print_rtx): Use it.
13597 * genoutput.c (insn_name_ptr): Remove.
13598 (next_operand_number): New.
13599 (struct operand_data): New.
13600 (null_operand, odata, odata_end): New.
13601 (struct data): Use struct operand_data.
13602 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
13603 (get_insn_name): Renamed from name_for_index.
13604 (output_prologue): Define NO_MD_PROTOTYPES.
13605 (output_predicate_decls): Break out from output_epilogue.
13606 Iterate over the operands list.
13607 (output_operand_data): Break out from output_epilogue. Emit
13608 just the operands list.
13609 (output_insn_data): Break out from output_epilogue. Emit just
13611 (output_epilogue): Remove.
13612 (output_get_insn_name): New.
13613 (constraints, op_n_alternatives, predicates, address_p): Die.
13614 (modes, strict_low, seen): Die.
13615 (scan_operands): Take new param `d' instead of writing to
13616 seven global variables.
13617 (compare_operands): New.
13618 (place_operands): New.
13619 (validate_insn_alternatives): Update for struct data change.
13620 (gen_insn): Don't zero or copy 7 global arrays. Update for
13621 scan_operands; call place_operands.
13622 (gen_peephole, gen_expand, gen_split): Likewise.
13623 (main): Update for new output routines.
13625 * genattr.c (insn_name_ptr): Remove.
13626 (get_insn_name): New function.
13627 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
13628 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
13629 * genrecog.c: Likewise.
13631 * alpha.md (adddi3): Make `pattern' array static.
13633 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13635 * config/c4x/c4x.h (c4x_rpts_cycles_string,
13636 c4x_cpu_version_string): Constify char *.
13637 * config/c4x/c4x.c (c4x_rpts_cycles_string,
13638 c4x_cpu_version_string): Likewise.
13640 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
13642 * tree.c (save_tree_status): Revert 10 Sep change.
13643 (restore_tree_status): Likewise. Call obstack_free with NULL
13644 before freeing the obstack proper.
13646 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
13648 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
13650 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
13651 surrounding context.
13653 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
13655 * tree.c (type_hash_canon): Put all types in the hash-table, when
13658 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
13660 * recog.h (struct recog_data, recog_data): New.
13661 (recog_foo variables): Kill.
13662 * recog.c (recog_operand, recog_operand_loc): Kill.
13663 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
13664 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
13665 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
13666 (recog_data): Define.
13667 (extract_insn): Update all recog_foo references to use recog_data.
13668 (preprocess_constraints, constrain_operands): Likewise.
13669 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
13670 * genattrtab.c (main): Likewise.
13671 * genextract.c (main): Likewise.
13672 * genoutput.c: Likewise.
13673 * genrecog.c (write_subroutine, main): Likewise.
13674 * local-alloc.c (block_alloc): Likewise.
13675 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
13676 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
13677 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
13678 * reload.c (find_reloads, find_reloads_toplev): Likewise.
13679 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
13680 (reload_cse_simplify_operands): Likewise.
13682 * arc/arc.c (arc_final_prescan_insn): Likewise.
13683 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
13684 * h8300/h8300.c (notice_update_cc): Likewise.
13685 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
13686 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
13687 * mn10200/mn10200.c (notice_update_cc): Likewise.
13688 * mn10300/mn10300.c (notice_update_cc): Likewise.
13689 * romp/romp.c (update_cc): Likewise.
13690 * sparc/sparc.c (check_pic): Likewise.
13691 * v850/v850.c (notice_update_cc): Likewise.
13693 * genemit.c (main): Don't declare recog_operand.
13695 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
13697 * ggc.h (rtvec_def): Forward declare.
13698 (tree_node): Likewise.
13699 (ggc_root): Define.
13701 (ggc_set_mark_rtx): Add prototype.
13702 (ggc_set_mark_rtvec): Likewise.
13703 (ggc_set_mark_tree): Likewise.
13704 * ggc-simple.c (ggc_root): Don't define.
13705 (roots): Don't declare.
13706 (ggc_mark_rtx): Remove.
13707 (ggc_mark_rtvec): Likewise.
13708 (ggc_mark_tree): Likewise.
13709 (ggc_mark_varray): Likewise.
13710 (ggc_mark_tree_hash_table_entry): Likewise.
13711 (ggc_mark_tree_hash_table): Likewise.
13712 (ggc_set_mart_rtx): New function.
13713 (ggc_set_mark_rtvec): Likewise.
13714 (ggc_set_mark_tree): Likewise.
13715 (ggc_add_root): Remove.
13716 (ggc_add_rtx_root): Likewise.
13717 (ggc_remove_tree_root): Likewise.
13718 (ggc_add_string_root): Likewise.
13719 (ggc_add_tree_varray_root): Likewise.
13720 (ggc_add_tree_hash_table_root): Likewise.
13721 (ggc_del_root): Likewise.
13722 (ggc_mark_rtx_ptr): Likewise.
13723 (ggc_mark_tree_ptr): Likewise.
13724 (ggc_mark_string_ptr): Likewise.
13725 (ggc_mark_tree_varray_ptr): Likewise.
13726 (ggc_mark_tree_hash_table_ptr): Likewise.
13727 * ggc-common.c: New file.
13728 * Makefile.in (OBJS): Add ggc-common.o.
13729 (ggc-common.o): List dependencies.
13731 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
13733 * cppalloc.c (xstrdup): Use memcpy.
13734 * cpperror.c (cpp_print_containing_files): Don't use
13736 * cpplib.c (conditional_skip): Set temp->lineno.
13737 (do_endif): Make error message less obscure.
13738 (if_directive_name): New function.
13739 (cpp_get_token [case EOF]): Unwind the if stack and generate
13740 error messages for each unterminated conditional in this file.
13741 (parse_string): Do not behave differently if -traditional.
13743 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
13745 * builtins.c (expand_builtin_va_arg): Cope with an array-type
13746 va_list decomposing to pointer-type.
13747 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
13748 (rs6000_va_arg): Likewise.
13750 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
13752 * except.c (start_dynamic_handler): Compute size using
13753 STACK_SAVEAREA_MODE.
13755 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13757 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
13758 include directory headers. Don't define strrchr. Don't provide
13759 my_* replacement functions. Prefer PTR over `pointer_type'.
13760 Don't prototype system functions. Don't redefine getopt.
13762 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
13763 safe_read, safe_write, save_pointers, restore_pointers,
13764 is_id_char, in_system_include_dir, directory_specified_p,
13765 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
13766 find_corresponding_lparen, referenced_file_is_newer,
13767 save_def_or_dec, munge_compile_params, gen_aux_info_file,
13768 process_aux_info_file, identify_lineno, check_source,
13769 seek_to_line, forward_to_next_token_char, output_bytes,
13770 output_string, output_up_to, other_variable_style_function,
13771 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
13772 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
13773 find_static_definition, connect_defs_and_decs, add_local_decl,
13774 add_global_decls, needs_to_be_converted, visit_each_hash_node,
13775 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
13776 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
13777 scan_for_missed_items, edit_file, string_list_cons): Add static
13779 (standard_exec_prefix, target_machine, target_version,
13780 default_syscalls_dir, string_list, string_list_cons, find_file,
13781 do_cleaning): Constify a char*.
13782 (safe_read, safe_write): Use PTR, not a char*.
13783 (is_id_char): Take an int, not a char.
13784 (main): Add prototype. Call return, not exit.
13786 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
13788 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
13789 when comparing types.
13791 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
13793 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
13794 (strength_reduce): Release the varrays from the no-bivs early exit.
13796 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
13797 the loop over the registers.
13799 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
13801 (restore_tree_status): Check that instead when freeing the obstack.
13803 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
13805 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
13808 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13810 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
13811 operand size modifiers.
13813 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13815 * c-common.c (c_common_nodes_and_builtins): Don't build
13817 * c-common.h (enum c_tree_index and related accesor macros): Remove
13818 everything now declared in tree.h.
13819 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
13820 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
13821 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
13822 (error_mark_node, void_type_node, char_type_node, integer_type_node,
13823 unsigned_type_node, ptr_type_node, va_list_type_node,
13824 integer_zero_node, null_pointer_node, integer_one_node): Delete.
13825 (init_decl_processing): Call build_common_tree_nodes and
13826 build_common_tree_nodes_2 instead of building their nodes here.
13827 Don't add roots for these nodes.
13828 * stor-layout.c (size_zero_node, size_one_node): Delete.
13829 (set_sizetype): Make a new node for bitsizetype each time.
13830 * tree.c (global_trees): New variable.
13831 (init_obstacks): Add a gc root for it.
13832 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
13833 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
13834 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
13835 (build_common_tree_nodes): New function.
13836 (fix_sizetype): New function.
13837 (build_common_tree_nodes_2): New function.
13838 * tree.h (enum tree_index): New.
13839 (global_trees): Declare.
13840 Add accessor macros for all nodes now moved to global_trees.
13841 Delete their declarations.
13843 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
13845 * c-decl.c (finish_function): When processing a nested function,
13846 push and pop GC context around rest_of_compilation.
13848 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
13850 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
13851 Default ix86_arch to PROCESSOR_I386.
13852 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
13853 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
13854 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
13855 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
13856 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
13857 (EXTRA_SPECS): Remove deleted specs.
13859 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
13861 * function.c (assign_stack_local_1): Allocate from
13862 function->x_frame_offset, not frame_offset.
13864 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
13866 * ggc.h (lang_cleanup_tree): Remove.
13867 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
13868 * ggc-callbacks.c (lang_cleanup_tree): Remove.
13870 * c-decl.c (finish_struct): Use ggc_alloc to allocate
13871 TYPE_LANG_SPECIFIC when garbage collecting.
13872 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
13873 (lang_cleanup_tree): Remove.
13875 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
13877 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
13878 * crtstuff.c: Not here.
13879 * dwarf2out.c: Or here.
13880 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
13883 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
13885 * function.h (free_after_compilation): Remove decl parameter.
13886 (free_varasm_status0: Likewise.
13887 (free_emit_status): Likewise.
13888 (free_stmt_status): Likewise.
13889 (free_after_compilation): Likewise.
13890 (init_lang_status): New variable.
13891 (free_lang_status): Likewise.
13892 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
13893 * function.c (init_lang_status): New variable.
13894 (free_lang_status): Likewise.
13895 (push_function_context_to): Don't set function::decl here.
13896 (free_after_copmilation): Make decl parameter implicit. Call
13897 free_lang_status if defined.
13898 (prepare_function_start): Call init_lang_status if defined.
13899 (init_function_start): Set function::decl here.
13900 * profile.c (output_func_start_profiler): Don't call pushdecl
13901 until we've actually started the function.
13902 * stmt.c (free_stmt_status): Make decl parameter implicit.
13903 * toplev.c (rest_of_compilation): Don't pass decl to
13904 free_after_compilation.
13905 * varasm.c (free_varasm_status): Likewise.
13907 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13909 * except.c (call_get_eh_context): Add root when allocating static
13912 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
13914 * arm.c: Include "ggc.h".
13915 (arm_add_gc_roots): New function.
13916 (arm_override_options): Call it.
13917 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
13919 * arm.md (define_asm_attributes): Add a pool_range attribute.
13921 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
13923 * extend.texi (Volatiles): New node.
13925 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
13927 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
13928 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
13929 (struct ggc_any): Replace `mark' with `magic_mark'.
13930 (ggc_alloc_string): Use memcpy, not bcopy.
13931 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
13932 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
13933 (ggc_free_any): New.
13934 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
13935 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
13936 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
13937 Use IS_MARKED. Use ggc_free_any.
13939 1999-09-09 Scott Bambrough <scottb@netwinder.org>
13941 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
13943 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
13945 * toplev.c (main): Always init_ggc.
13947 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
13949 * except.c (find_all_handler_type_matches): Free the list if
13950 we found no matches.
13952 * combine.c (SUBST): Break out to a real function do_SUBST.
13953 (SUBST_INT): Likewise.
13954 * gcse.c (free_pre_mem): Free `temp_bitmap'.
13955 (pre_insert): Free `inserted'.
13956 * loop.c (basic_induction_var): Always set `location'.
13958 * function.c (expand_function_end): Add initial_trampoline as a root.
13959 * rtl.h (init_varasm_once): Declare.
13960 * toplev.c (compile_file): Call it.
13961 * ggc-simple.c (ggc_mark_string_ptr): New.
13962 (ggc_add_string_root): New.
13963 (ggc_collect): Disable collection avoidance temporarily.
13964 * ggc.h (ggc_add_string_root): Declare.
13965 * except.c (create_rethrow_ref): Use ggc_alloc_string.
13966 * optabs.c (init_libfuncs): Likewise.
13967 * varasm.c (named_section): Use ggc_alloc_string.
13968 (make_function_rtl): Likewise.
13969 (make_decl_rtl): Likewise.
13970 (assemble_static_space): Likewise.
13971 (assemble_trampoline_template): Likewise.
13972 (output_constant_def): Likewise.
13973 (force_const_mem): Likewise.
13974 (mark_const_hash_entry): New.
13975 (mark_pool_sym_hash_table): New.
13976 (mark_varasm_state): Use it.
13977 (init_varasm_once): New.
13979 * expr.h (init_one_libfunc): Declare.
13980 * optabs.c (init_one_libfunc): New.
13981 (init_optabs): Use it.
13982 * config/gofast.h: Likewise.
13983 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
13984 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
13986 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
13988 * Makefile.in (cppexp.o): Depend on cpphash.h.
13989 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
13991 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
13992 * cpplib.c (do_define): Generalise to handle poisoned definitions,
13993 redefining poisoned identifiers, etc.
13994 (do_undef): Don't allow poisoned identifiers to be undefined.
13995 (do_pragma): Add #pragma poison.
13996 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
13998 * cccp.c: Add T_POISON node type.
13999 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
14001 (do_define): Generalise to handle poisoned definitions,
14002 redefining poisoned identifiers, etc.
14003 (do_undef): Don't allow poisoned identifiers to be undefined.
14004 (do_pragma): Add #pragma poison.
14005 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
14007 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
14008 * c-pragma.h: Add ps_poison state. We now always have generic
14011 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
14013 * ggc.h (ggc_alloc): New function.
14014 (ggc_mark): Likewise.
14015 * ggc-simple.c (ggc_any): New structure.
14016 (ggc_status): Add anys.
14017 (n_anys_collected): New variable.
14018 (ggc_alloc): Define.
14019 (ggc_mark): Likewise.
14020 (ggc_collect): Collect the anys.
14022 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14024 * c-decl.c (mark_binding_level): Make static to match prototype.
14026 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
14028 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
14030 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
14032 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
14033 will use into account. Expand the max width to 5.
14036 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
14038 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
14039 for the rtx length.
14041 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
14043 * alpha.md (call value patterns): Remove the result predicates.
14045 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
14047 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
14050 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14052 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
14053 changed from extern char *, to extern PTR. Also fix typo in
14054 NEED_DECLARATION_REALLOC test.
14056 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
14058 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14060 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
14061 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
14062 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
14063 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
14065 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
14067 * cccp.c (pcfinclude): Likewise.
14069 * global.c (allocno_compare): Likewise.
14071 * haifa-sched.c (rank_for_schedule): Likewise.
14073 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
14075 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
14077 * stupid.c (stupid_reg_compare): Likewise.
14079 * tree.c (_obstack_allocated_p): Likewise.
14081 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
14083 1999-09-08 Bruce Korb autogen@linuxbox.com
14085 * Makefile.in: Give the hapless gperf user a hint about
14086 why "gperf -F" fails.
14088 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
14090 * lists.c: Include ggc.h.
14092 (init_EXPR_INSN_LIST_cache): Install it.
14094 * ggc-simple.c (init_ggc): Absorb the old init.
14095 (ggc_push_context): Use xcalloc.
14096 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
14097 (ggc_collect): Add [rvts] tags to the collection stats.
14099 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
14101 * cccp.c (main): Fix handling of -include and -imacros options.
14103 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
14105 * cpplib.c (cpp_push_buffer): Fix order of arguments.
14107 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
14109 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
14112 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
14114 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
14115 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
14116 and SET_DEST. Update comment.
14118 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14120 * config/c4x/c4x.c: Include ggc.h.
14121 (c4x_add_gc_roots): New function.
14122 (c4x_override_options): Call c4x_add_gc_roots.
14124 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
14126 * defaults.h (TARGET_ESC): Move ...
14127 * system.h: ... here, where Linas had it in the first place. Silly me.
14129 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
14131 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
14132 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
14133 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
14134 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
14135 * defaults.h (TARGET_ESC): Add default.
14137 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
14139 * configure.in: add i370-*-openedition, i370-*-mvs and
14140 i370-*-linux targets
14142 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
14144 * dsp16xxx.c: Include ggc.h
14145 (override_options): Mark GC roots.
14146 * mn10200.c: Include ggc.h.
14147 (asm_file_start): Mark GC roots.
14148 * tahoe.c: Include ggc.h.
14149 (extensible_operand): Mark GC roots.
14151 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
14153 * README: Add section discussing status of ELF ABI.
14154 * i370.c: Fix misc spelling mistakes.
14155 (i370_label_scan): Updated notes, exception handling.
14156 (i370_function_prolog): Simplify ELF stack handling.
14157 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
14158 (STACK_GROWS_DOWNWARD): ELF stack grows down.
14159 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
14160 * i370.md: (movdi): Add notes.
14161 (floatsidf2): Use stack not rtca for scratch float area.
14162 (iorsi3): Correct operand constraints.
14163 * x-oe: Restore TAROUTOPTS which are used by pax.
14165 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
14167 * rs6000.c: Include ggc.h.
14168 (rs6000_add_gc_roots): New function.
14169 (override_options): Call it.
14171 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
14173 * alpha.h (alpha_compare): New.
14174 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
14175 * alpha.c: Likewise for the definitions.
14176 (alpha_emit_conditional_branch): Update for alpha_compare.
14177 (alpha_emit_conditional_move): Likewise.
14178 * alpha.md (cmpdf, cmpdi): Likewise.
14179 (setcc patterns): Likewise. Zero alpha_compare after use.
14180 (sne): Optimize (x != 0) into (0U < x).
14182 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
14184 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
14185 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
14186 (INIT_EXPANDERS): Remove.
14187 * alpha.c: Include ggc.h.
14188 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
14189 (alpha_init_machine_status, alpha_mark_machine_status): New.
14190 (override_options): Install them.
14191 (struct machine_function): Moved to alpha.h.
14192 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
14193 (alpha_init_expanders): Remove.
14194 (alpha_return_addr): Adjust to use current_function->machine.
14195 (alpha_ra_ever_killed): Likewise.
14196 (alpha_expand_epilogue): Likewise.
14197 * alpha.md (eh_epilogue): Likewise.
14199 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
14200 Melissa O'Neill <oneill@cs.sfu.ca>
14201 Geoffrey Keating <geoffk@cygnus.com>
14203 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
14204 call-used registers (call-saved registers must still be contiguous
14205 and end with r31, of course).
14207 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
14209 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
14210 (self_promoting_type_p): Delete.
14211 (self_promoting_args_p): Move ...
14212 * c-common.c: ... here.
14213 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
14214 (simple_type_promotes_to): New.
14215 * builtins.c (lang_type_promotes_to): New.
14216 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
14217 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
14218 * c-common.h: ... here.
14219 (self_promoting_args_p, simple_type_promotes_to): Declare.
14220 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
14221 (grokdeclarator): Likewise.
14222 * tree.h (lang_type_promotes_to): Declare.
14224 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
14226 Add some machine-dependent GC roots.
14227 * sparc.c: Include ggc.h.
14228 (sparc_add_gc_roots): New function.
14229 (mark_ultrasparc_pipeline_state): Likewise.
14230 (override_options): Call sparc_add_gc_roots.
14231 * pa.c: Include ggc.h.
14232 (pa_add_gc_roots): New function.
14233 (mark_deferred_plabels): Likewise.
14234 (override_options): Call pa_add_gc_roots.
14235 * mips.c: Include ggc.h.
14236 (mips_add_gc_roots): New function.
14237 (override_options): Use it.
14239 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14241 * cpperror.c (cpp_file_line_for_message): Constify a char*.
14243 * cppexp.c (parse_number, parse_charconst, cpp_lex,
14244 cpp_parse_expr): Add static prototypes.
14245 (parse_charconst): Don't cast away const-ness.
14246 (token): Constify a char*.
14248 * cppfiles.c (file_name_list, include_hash, find_include_file,
14249 finclude, initialize_input_buffer): Constify a char*.
14250 (file_cleanup, find_position): Add static prototypes.
14252 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
14253 collect_expansion): Add static prototypes.
14254 (cpp_install, create_definition, monthnames): Constify a char*.
14256 * cpphash.h (cpp_install): Likewise.
14258 * cppinit.c (known_suffixes, default_include,
14259 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
14260 (base_name, dump_special_to_buffer, initialize_dependency_output):
14261 Add static prototypes.
14263 * cpplib.c (my_strerror): Constify a char*.
14264 (null_underflow, null_cleanup, skip_comment, copy_comment,
14265 copy_rest_of_line, handle_directive, pass_thru_directive,
14266 get_directive_token, read_line_number, cpp_print_file_and_line,
14267 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
14268 v_cpp_warning_with_line, detect_if_not_defined,
14269 consider_directive_while_skipping): Add static prototypes.
14270 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
14271 cpp_pedwarn_with_file_and_line): Constify a char*.
14273 * cpplib.h (cpp_options, include_hash, progname, definition,
14274 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
14275 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
14276 find_include_file, deps_output, include_hash): Constify a char*.
14278 * cppmain.c (progname): Constify.
14279 (main): Add prototype. Use return, not exit.
14281 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
14282 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
14283 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
14284 check_protection): Add static prototype.
14286 (progname, recognized_macrom, recognized_extern): Constify a char*.
14287 (main): Add prototype.
14289 * gen-protos.c (progname): Constify a char*.
14291 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
14293 * emit-rtl.c (free_emit_status): Take decl as a parameter.
14294 (init_emit_once): Add more GC roots.
14295 * except.c (mark_func_eh_entry): New function.
14296 (mark_eh_node): Mark false_label and rethrow_label.
14297 (init_eh): Add more GC roots.
14298 * function.c (free_after_compilation): Take decl as a paramter.
14299 Call free_stmt_status.
14300 (mark_function_state): Don't assume x_parm_reg_stack_loc is
14302 * function.h (free_after_compilation): Change prototype.
14303 (free_varasm_status): Likewise.
14304 (free_emit_status): Likewise.
14305 (free_stmt_status): New function.
14306 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
14307 Remove, replacing with ...
14308 (ggc_status): New structure.
14309 (ggc_chain): New variable.
14310 (init_gcc): Define.
14311 (ggc_push_context): New function.
14312 (ggc_pop_context): Likewise.
14313 (ggc_alloc_rtx): Adjust for use of ggc_chain.
14314 (ggc_alloc_rtvec): Likewise.
14315 (ggc_alloc_tree): Likewise.
14316 (ggc_alloc_string): Likewise.
14317 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
14318 (ggc_mark_tree): Give language-dependent code a chance to mark
14320 (ggc_mark_tree_varray): Handle empty arrays.
14321 (ggc_collect): Adjust for use of ggc_chain. Clear
14322 bytes_alloced_since_last_gc.
14323 * ggc.h (ggc_pop_context): New function.
14324 (ggc_push_context): Likewise.
14325 * print-tree.c (print_node): Don't print obstacks when GC'ing.
14326 * stmt.c (free_stmt_status): New function.
14327 (init_stmt_for_function): Clear last_expr_value.
14328 * toplev.c (rest_of_compilation): Always call free_after_compilation.
14329 Conditionalize call to ggc_collect.
14330 (main): Call init_ggc.
14331 * tree.c (push_obstacks): Do the push, even when GC'ing.
14332 (push_obstacks_nochange): Likewise.
14333 (pop_obstacks): Liekwise.
14334 * varasm.c (free_varasm_status): Take decl as a parameter.
14336 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
14338 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
14339 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
14340 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
14341 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
14343 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
14345 * pa/x-pa-mpeix: New file for the MPE port.
14347 * pa/quadlib.asm: New file for long double support.
14349 * configure.in: Add hppa1.0-*-mpeix for MPE port.
14350 * configure: Rebuilt.
14352 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
14354 * final.c (shorten_branches): Fix last change.
14356 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
14358 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
14360 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
14362 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
14365 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14367 * c-aux-info.c (concat): Don't define.
14369 * cccp.c (my_strerror): Likewise. All callers changed to use
14371 (do_include): Call xstrdup, not xmalloc/strcpy.
14372 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
14373 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
14375 * collect2.c (my_strsignal): Likewise. All callers changed to use
14377 (locatelib): Call xstrdup, not xmalloc/strcpy.
14379 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
14381 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
14383 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
14385 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
14387 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
14389 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
14391 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
14393 (find_all_handler_type_matches): Likewise. Don't check return
14395 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
14396 xmalloc, not malloc.
14397 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
14399 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
14400 (init_spec): Call xcalloc, not xmalloc/bzero.
14401 (set_spec): Call xstrdup, not save_string.
14402 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
14403 (find_a_file): Call xstrdup, not xmalloc/strcpy.
14404 (process_command): Call xstrdup, not save_string.
14405 (main): Call xcalloc, not xmalloc/bzero.
14407 * gcov.c (xmalloc): Don't define.
14408 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
14409 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
14410 (output_data): Call xcalloc, not xmalloc/bzero.
14412 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
14414 * mips-tdump.c (xmalloc): Don't define.
14415 (print_symbol): Call xmalloc, not malloc.
14416 (read_tfile): Call xcalloc, not calloc.
14418 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
14419 Don't define. All callers of xfree/my_strsignal changed to use
14420 free/strsignal instead.
14421 (allocate_cluster): Call xcalloc, not calloc.
14423 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
14424 Fix memory leak, free allocated memory.
14426 * prefix.c (translate_name): Call xstrdup, not save_string.
14427 (update_path): Likewise.
14429 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
14431 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
14432 Don't define. Callers of xfree/savestring2 changed to use
14433 free/concat instead.
14435 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
14436 (init_elim_table): Likewise.
14438 * resource.c (init_resource_info): Likewise.
14440 * stupid.c (stupid_life_analysis): Likewise.
14442 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
14443 (open_dump_file): Call concat, not xmalloc/strcpy/...
14444 (clean_dump_file): Likewise.
14445 (compile_file): Call xstrdup, not xmalloc/strcpy.
14447 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
14449 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
14450 * v850.c (v850_va_arg): New.
14452 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14454 * haifa-sched.c: Tidy comments.
14456 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14458 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
14459 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
14460 $(out_object_file)): Depend on ggc.h.
14461 * c-common.c: Include "ggc.h".
14462 (combine_strings): If doing GC, use ggc_alloc_string.
14463 * c-decl.c: Include "ggc.h".
14464 (ggc_p): Define with value 0.
14465 (mark_binding_level): New function.
14466 (init_decl_processing): Add GC roots.
14467 (mark_c_function_context): New function.
14468 (lang_mark_false_label_stack): New function.
14469 (lang_mark_tree): New function.
14470 (lang_cleanup_tree): New function.
14471 * c-lang.c: Include "ggc.h".
14472 (lang_init): Call c_parse_init.
14473 * c-lex.c: Include "ggc.h".
14474 (check_linenum): If doing GC, don't copy filenames to permanent
14476 * c-parse.in: Include "ggc.h".
14477 (c_parse_init): New function.
14478 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
14479 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
14481 * except.c (mark_eh_state): Mark more state.
14482 * function.c (mark_function_state): Likewise.
14483 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
14484 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
14485 * toplev.c (mark_file_stack): New function.
14486 (compile_file): If doing GC, use ggc_alloc_string on input filename.
14487 (main): Add root for input_file_stack.
14489 * i386.c: Include "ggc.h".
14490 (ix86_mark_machine_status): New function.
14491 (override_options): Set mark_machine_status.
14493 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14495 * tree.c (copy_node): Copy node contents also if doing GC.
14497 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
14499 * collect2.c (scan_libraries): Fix double-thinko :-).
14501 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
14503 * collect2.c (scan_libraries): Fix thinko.
14505 * cse.c (delete_trivially_dead_insns): Do not skip the last
14506 insn if it is a real insn.
14508 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
14510 * Makefile.in (ggc-simple.o): Depend on hash.h.
14511 * ggc.h (ggc_add_tree_hash_table_root): Declare.
14512 (ggc_mark_tree_varray): Likewise.
14513 (ggc_mark_tree_hash_table): Likewise.
14514 * ggc-simple.c: Include hash.h.
14515 (ggc_mark_tree_hash_table_ptr): New function.
14516 (ggc_mark_tree_hash_table_entry): Likewise.
14517 (ggc_mark_tree_hash_table): Likewise.
14518 (ggc_add_tree_hash_table_root): Likewise.
14519 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
14520 rtx, when defining fields.
14522 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
14524 * profile.c (output_func_start_profiler): Remove apparently
14525 nonsensical call to start_sequence.
14527 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
14529 * clipper/clipper.c (clipper_va_start): Fix typos.
14531 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
14532 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
14533 (spur_va_arg): New stub.
14535 * configure.in: Comment out pyramid.
14537 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
14539 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
14540 don't conflict with the bits that win32, cygwin, and dgux
14543 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
14544 Bernd Schmidt <bernds@cygnus.co.uk>
14546 * integrate.c (function_cannot_inline_p): Do not inline
14547 functions with forced labels.
14549 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
14550 Bernd Schmidt <bernds@cygnus.co.uk>
14551 Mark Mitchell <mark@codesourcery.com>
14553 * Makefile.in (ggc-simple.o): Depend on varray.h.
14554 (rtl.o): Depend on ggc.h.
14555 (genattrtab.o): Depend on ggc.h.
14556 (print-tree.o): Likewise.
14557 (fold-const.o): Likewise.
14558 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
14559 (make_insn_raw): Don't cache insns when GC'ing.
14560 (emit_insn_before): Likewise.
14561 (emit_insn_after): Likewise.
14562 (emit_insn): Likewise.
14563 (start_sequence): Use xmalloc to allocate the sequence_stack.
14564 (end_sequence): Add free to free it.
14565 (gen_sequence): Don't cache insns when GC'ing.
14566 (clear_emit_caches): Don't use sequence_element_free_list.
14567 (init_emit): Use xcalloc, not xmalloc+bzero.
14568 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
14569 * function.c (pop_function_context_from): Use free to free the
14570 fixup_var_refs_queue.
14571 (put_reg_into_stack): Allocate it with xmalloc.
14572 * genattrtab.c: Include ggc.h.
14573 (operate_exp): Don't use obstack_free when GC'ing.
14574 (simplify_cond): Likewise.
14575 (simplify_text_exp): Likewise.
14576 (optimize_attrs): Likewise.
14577 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
14579 (gencode): Generate a #include for ggc.h.
14580 * ggc-callbacks.c (ggc_p): Define it to zero.
14581 * ggc-none.c (ggc_p): Likewise.
14582 * ggc-simple.c: Include varray.h.
14583 (ggc_mark_tree_varray): New function.
14584 (ggc_add_tree_varray_root): Likewise.
14585 (ggc_mark_tree_varray_ptr): Likewise.
14586 * ggc.h (ggc_p): Declare.
14587 (varray_head_tag): Likewise.
14588 (ggc_add_tree_varray_root): Declare.
14589 * print-tree.c (print_node): Don't check for TREE_PERMANENT
14590 inconsistencies when GC'ing.
14591 * rtl.c: Include ggc.h.
14592 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
14593 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
14594 (rtx_free): Don't call obstack_free when GC'ing.
14595 * toplev.c (rest_of_compilation): Call ggc_collect after every
14597 * tree.c (push_obstacks): Do nothing, if GC'ing.
14598 (pop_obstacks_nochange): Likewise.
14599 (pop_obstacks): Likewise.
14600 (make_node): Use ggc_alloc_tree when GC'ing.
14601 (copy_node): Likewise.
14602 (get_identifier): Use ggc_alloc_string when GC'ing.
14603 (build_string): Likewise.
14604 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
14605 (tree_cons): Likewise.
14606 (build1): Likewise.
14607 (type_hash_canon): Don't call obstack_free when GC'ing.
14609 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
14611 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
14612 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
14614 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
14615 Bernd Schmidt <bernds@cygnus.co.uk>
14616 Mark Mitchell <mark@codesourcery.com>
14618 * Makefile.in (stor-layout.o): Depend on ggc.h.
14619 (expr.o): Depend on ggc.h.
14620 (profile.o): Depend on ggc.h.
14621 (stor-layout.o): Depend on ggc.h.
14622 * emit-rtl.c (init_emit_once): Add gc roots.
14623 * expr.c: Include ggc.h.
14624 (emit_block_move): Add gc roots.
14625 (clear_storage): Likewise.
14626 * expr.h (init_stor_layout_once): New function.
14627 * profile.c: Include ggc.h.
14628 (init_arc_profiler): profiler_label is a root.
14629 * scan.c (make_sstring_space): Trust xrealloc to function
14630 correctly with first parameter NULL.
14631 * stor-layout.c: Include ggc.h.
14632 (set_sizetype): Add gc root.
14633 (init_stor_layout_once): New function.
14634 * toplev.c (compile_file): Call it.
14636 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
14637 Bernd Schmidt <bernds@cygnus.co.uk>
14638 Mark Mitchell <mark@codesourcery.com>
14640 * Makefile.in (tree.o): Depend on ggc.h.
14641 (varasm.o): Likewise.
14642 (function.o): Likewise.
14643 (stmt.o): Likewise.
14644 (except.o): Likewise.
14645 (optabs.o): Likewise.
14646 (emit-rtl.o): Likewise.
14647 * emit-rtl.c: Include ggc.h.
14648 (sequence_element_free_list): Remove, and all references.
14649 (mark_sequence): New functions.
14650 (mark_emit_state): New function.
14651 * except.c: Include ggc.h.
14652 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
14653 (mark_tree_label_node): New functions.
14654 (mark_eh_state): New function.
14655 * function.c: Include ggc.h.
14656 (mark_temp_slot, mark_function_chain): New functions.
14657 (mark_function_state): New function.
14658 (init_function_once): New function.
14659 * function.h (init_function_once): New function.
14660 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
14661 * ggc.h (label_node): Declare.
14662 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
14663 (lang_mark_false_label_stack): New function.
14664 (mark_temp_slot): Remove declaration.
14665 (mark_function_chain): Likewise.
14666 (mark_eh_state): Adjust prototype.
14667 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
14669 * optabs.c: Include ggc.h.
14670 (mark_optab): New function.
14671 (init_optabs): Add gc roots.
14672 * stmt.c: Include ggc.h.
14673 (mark_cond_nesting, mark_loop_nesting): New functions.
14674 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
14675 (mark_stmt_state): New function.
14676 * toplev.c (compile_file): Call init_function_once.
14677 * tree.c: Include ggc.h.
14678 (type_hash): Move declaration earlier in file.
14679 (TYPE_HASH_SIZE, type_hash_table): Likewise.
14680 (init_obstacks): Add gc roots.
14681 (mark_type_hash): New function.
14682 * varasm.c: Include ggc.h.
14683 (mark_pool_constant): New function.
14684 (mark_varasm_state): New function.
14686 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14688 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
14690 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14692 * c-decl.c (struct language_function): Renamed from struct c_function.
14694 (c_function_chain): Delete.
14695 (push_c_function_context): New arg F. Don't warn about nested
14696 functions here. Fill LANGUAGE elt of F. Delete code to update
14697 c_function_chain. Don't call push_function_context.
14698 (pop_c_function_context): New arg F. Restore from there instead of
14699 from c_function_chain. Don't call pop_function_context. Clear out
14700 LANGUAGE field of F when done.
14701 * c-lang.c: Include "function.h"
14702 (lang_init): Initialize save_lang_status and restore_lang_status.
14703 * c-parse.in (nested_function, nested_function_notype): Warn about
14704 nested functions. Call push_function_context/pop_function_context
14705 instead of the _c_ variants.
14706 * c-tree.h (push_c_function_context, pop_c_function_context): Update
14708 * Makefile.in (c-lang.o): Update dependencies.
14710 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
14711 regno_pointer_flag, regno_pointer_align.
14712 (gen_reg_rtx): Use xrealloc to enlarge them.
14713 (free_emit_status): New function.
14714 * function.c (mark_machine_status, mark_lang_status): New variables.
14715 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
14716 in some bits from assign_stack_local. All callers changed to use new
14718 (assign_stack_local): Just call assign_stack_local_1.
14719 (free_after_compilation): New function.
14720 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
14721 (trampoline_address): Likewise.
14722 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
14723 (prepare_function_start): Explicitly clear some more variables.
14724 * function.h (struct function): New elt can_garbage_collect.
14725 (mark_machine_status, mark_lang_status): Declare variables.
14726 (free_after_compilation, free_emit_status, free_varasm_status,
14727 init_varasm_status): Declare functions.
14728 * toplev.c (rest_of_compilation): Call free_after_compilation when
14729 done with the current function.
14730 * varasm.c (free_varasm_status): New function.
14732 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
14734 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
14735 (EXPAND_BUILTIN_VA_ARG): Define.
14736 * sparc.c (sparc_va_start): New.
14737 (sparc_va_arg): New.
14739 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14741 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
14743 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14745 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
14747 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
14749 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
14750 (OBJS): Add $(GGC).
14751 (ggc-callbacks.o): New target.
14752 * ggc-callbacks.c: New file.
14754 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14756 * expr.h: Collapse individual optab and libfunc vars to arrays.
14757 (optab_index, libfunc_index): New enumerations.
14758 (optab_table, libfunc_table): New arrays.
14759 Add accessor macros for both.
14761 * optabs.c (optab_table, libfunc_table): New.
14762 Delete declarations for individual optab and libfunc vars.
14764 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
14766 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
14768 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
14770 * Makefile.in (GGC, GGC_LIB): New.
14771 (HOST_RTL): Include ggc-none.o.
14772 (ggc-simple.o): New target.
14773 (ggc-none.o): Likewise.
14774 * tree.h (tree_common): Add gc_mark.
14775 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
14776 (struct rtvec_def): Add gc_mark.
14777 * emit-rtl.c (global_rtl): Update static initializers to contain
14778 enough initializers.
14779 * ggc.h, ggc-none.c, ggc-simple.c: New files.
14780 * toplev.c (gc_time): New variable.
14781 (all_time): New variable.
14782 (compile_file): Print gc time.
14783 (print_time): Calculate percentage of the whole.
14785 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14787 Change obstack memory management and varasm constant pool handling so
14788 that nested functions are treated like any other functions.
14789 * function.c (init_machine_status): New variable.
14790 (push_function_context_to): Set contains_functions for the outer
14791 function. Don't call save_varasm_status.
14792 (pop_function_context_from): Don't call restore_varasm_status. Don't
14793 set current_function_contains_functions.
14794 (prepare_function_start): Call init_varasm_status rather than
14795 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
14797 * function.h (struct function) Add field varasm. Delete fields
14798 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
14799 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
14800 (init_machine_status): Declare.
14801 (save_varasm_status, restore_varasm_status): Delete declarations.
14802 (save_tree_status, restore_tree_status): Delete last argument.
14803 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
14804 code. All callers changed.
14805 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
14806 save_constants_in_decl_trees, restore_constants, save_constants,
14807 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
14809 (inlining): New variable.
14810 (reg_map, label_map, insn_map, orig_asm_operands_vector,
14811 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
14813 (save_for_inline_nocopy): Don't save constants.
14814 Don't set inl_emit field in current_function.
14815 (expand_inline_function): Use emit field, not inl_emit, of the inlined
14816 function. Set new variable inlining before
14817 calling copy_rtx_and_substitute.
14818 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
14819 constant pool references if inlining is nonzero.
14820 Delete ADDRESS and (most of the) CONST cases.
14821 (output_inline_function): Save and restore current_function/
14822 current_function_decl. Delete restore_constants code. Don't call
14823 init_const_rtx_hash_table.
14824 * output.h (init_const_rtx_hash_table): Don't declare.
14825 * rtl.h (struct function): Declare.
14826 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
14827 * toplev.c (rest_of_compilation): Don't treat nested functions or
14828 functions containing them specially. Delete all code to deal with
14829 save_for_inline_copying.
14830 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
14831 inline_obstacks): Delete variables.
14832 (save_tree_status): Lose arg CONTEXT. All callers changed.
14833 Simply allocate a new function_maybepermanent_obstack for the new
14834 function, delete all the special cases.
14835 Don't save inline_obstacks.
14836 (restore_tree_status): Lose arg CONTEXT. All callers changed.
14837 Delete special handling for function_maybepermanent_obstack; simply
14839 Don't restore inline_obstacks.
14840 (permanent_allocation): Delete code that frees inline_obstacks.
14841 (print_inline_obstack_statistics): Delete function.
14842 (dump_tree_statistics): Don't call it.
14843 * varasm.c (struct varasm_status): New.
14844 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
14845 last_pool, pool_offset, const_double_chain): Delete global
14846 variables, replace with accessor macros.
14847 (immed_double_const): Don't walk const_double_chain outside a
14848 function, but don't treat nested functions specially anymore.
14849 (immed_real_const_1): Likewise.
14850 (clear_const_double_mem): Don't treat nested functions specially.
14851 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
14852 (save_varasm_status, restore_varasm_status): Delete functions.
14853 (init_varasm_status): New function.
14854 (force_const_mem): Don't treat nested functions specially.
14855 (find_pool_constant): Accept new arg F, search for constants in
14856 that function's pool rather than the current one. All callers
14858 (get_pool_constant_for_function, get_pool_mode_for_function): New
14861 * i386.c (init_386_machine_status): New function, mostly from
14862 clear_386_stack_locals.
14863 (struct machine_functions): Rename element names to avoid name
14865 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
14866 macros, replacing global variables.
14867 (clear_386_stack_locals, save_386_machine_status,
14868 restore_386_machine_status): Delete functions.
14869 (override_options): Initialize init_machine_status.
14870 * i386.h (INIT_EXPANDERS): Delete macro.
14871 (save_386_machine_status, restore_386_machine_status,
14872 clear_386_stack_locals): Delete declarations.
14874 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14876 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
14877 (doloop_begin): Simplify pattern and use emit_jump_insn.
14878 (doloop_end): Simplify pattern, switch operand order,
14879 and use emit_jump_insn.
14881 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
14883 * function.h (struct function): Add new element LANGUAGE.
14884 (save_lang_status): Declare new variable.
14885 (restore_lang_status): Likewise.
14886 * function.c (save_lang_status): Define.
14887 (restore_lang_status): Likewise.
14888 (push_function_context_to): Call language-specific save function.
14889 (pop_function_context_from): Call language-specific restore function.
14891 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
14893 * i386.md (movsf_1): Check REG_P before use of REGNO.
14894 (movdf_1): Likewise.
14895 (movxf_1): Likewise.
14896 (extendsfdf2): Likewise.
14897 (extendsfxf2): Likewise.
14898 (extenddfxf2): Likewise.
14900 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14902 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
14903 constants into memory.
14904 (c4x_shiftable_constant): New function.
14905 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
14906 (c4x_shiftable_constant): Declare.
14907 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
14908 ashlqi3_noclobber): Add new patterns and associated splitters.
14910 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
14912 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
14913 * dwarf2out.c (dwarf2out_frame_init): Likewise.
14914 * final.c (shorten_branches): Likewise.
14915 * global.c (global_alloc): Likewise.
14916 * haifa-sched.c (build_control_flow): Likewise.
14917 * stmt.c (check_for_full_enumeration_handling): Likewise.
14918 (estimate_case_costs): Likewise.
14920 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
14922 * rtl.h (RTL_CHECKC2): Fix typo in last change.
14924 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
14926 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
14927 (recompute_reg_usage): Likewise.
14928 * rtlanal.c (find_regno_fusage): Likewise.
14930 * rtl.c (rtl_check_failed_code1): New function.
14931 (rtl_check_failed_code2): New.
14932 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
14933 (RTL_CHECKC1, RTL_CHECKC2): New.
14934 (XC*): New accessor macros.
14935 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
14936 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
14937 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
14938 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
14939 (TRAP_*, RANGE_INFO_*): Likewise.
14941 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14943 * Makefile.in (tlink.o): Don't depend on toplev.h.
14945 * collect2.c (c_file, o_file, export_file, import_file, ldout,
14946 output_file, nm_file_name, ldd_file_name, strip_file_name,
14947 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
14948 add_prefix, prefix_from_env, prefix_from_string, do_wait,
14949 fork_execute, maybe_unlink, add_to_list,
14950 extract_init_priority, write_list, dump_list,
14951 dump_prefix_list, write_list_with_asm, write_c_file,
14952 write_c_file_stat, write_c_file_glob, scan_prog_file,
14953 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
14954 ignore_library, extract_string, notice, dump_file, target_machine,
14955 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
14956 read_file, print_load_command): Constify a char*.
14957 (fdopen, error, fatal, fatal_perror): Don't prototype.
14958 (my_strerror): Remove. All callers use xstrerror instead.
14959 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
14960 (main): Add prototype. Constify lots of char* ptrs. Change calls
14961 to xcalloc/strcpy/strcat/... to one call to concat.
14962 (main, scan_prog_file, scan_libraries): Use an intermediate
14963 `const char **' to build an argv array.
14964 (mapfile, libselect, libcompare, locatelib): Add prototypes.
14966 * collect2.h (collect_execute, collect_wait, dump_file,
14967 file_exists): Constify a char*.
14968 (ldout, c_file_name, temporary_obstack, permanent_obstack,
14969 temporary_firstobj, vflag, debug): Add extern declarations.
14970 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
14972 * tlink.c: Don't include toplev.h.
14973 (vflag, debug, ldout, c_file_name, temporary_obstack,
14974 permanent_obstack, temporary_firstobj): Don't declare.
14975 (tlink_execute, frob_extension, symbol_hash_lookup,
14976 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
14977 recompile_files, read_repo_files, demangle_new_symbols,
14978 scan_linker_output): Constify a char*.
14979 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
14980 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
14982 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
14984 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
14985 (relative) rather than jsr (absolute) subroutine call insns.
14986 * config/m68k/m68k-coff.h: Ditto.
14988 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
14990 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
14991 now rework these too.
14992 (arm_reorg): If an insn can't reach the end of the current pool,
14993 ensure that we emit that pool before the insn.
14995 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
14997 * tlink.c (scan_linker_output): Skip the initial underscore in
14998 a mangled name if appropriate.
15000 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15002 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
15003 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
15004 error_with_ivar, gen_declarator, create_builtin_decl,
15005 my_build_string, generate_descriptor_table, generate_ivars_list,
15006 generate_dispatch_table, check_protocols, TAG_GETCLASS,
15007 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
15008 dump_base_name, lang_decode_option, build_encode_expr,
15009 start_class, finish_class, encode_pointer, really_start_method,
15010 gen_declaration, dump_interface, handle_class_ref, handle_impent):
15012 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
15013 Add static prototypes.
15014 (build_objc_string_decl, build_selector_reference_decl,
15015 encode_bitfield, build_class_reference_decl): Remove unused
15016 parameter, all callers changed.
15017 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
15018 (objc_printable_name): Likewise. Change second parameter to type int.
15019 (init_objc): Use memcpy, not bcopy, to avoid casts.
15021 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
15023 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
15024 reg notes on a deleted insn.
15025 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
15027 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
15029 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
15031 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15033 * stmt.c (expand_asm_operands): Fix index into inout_mode when
15036 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
15038 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
15039 * tm.texi (MD_ASM_CLOBBERS): Document it.
15041 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
15043 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
15044 * except.c (expand_rethrow): Remove unused variable.
15045 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
15046 * flow.c (replace_insns): Likewise.
15047 (create_edge_list, verify_edge_list): Likewise.
15048 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
15050 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
15051 is special code to run.
15052 (main): Don't define operands to emit_operand.
15053 * genrecog.c (main): Don't emit an empty peephole2_insn function.
15055 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
15057 * alpha/alpha.h (normal_memory_operand): Declare.
15058 (reg_no_subreg_operand): Declare.
15059 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
15061 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
15063 * c-parse.in (compstmt_primary_start): New, broken out of first
15064 part of compstmt handling in primary.
15065 (primary): Use it. Add an error clause.
15066 (compstmt_nostart): Renamed from compstmt; remove all
15067 initial invocations of compstmt_start.
15070 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
15072 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
15075 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
15077 * combine.c (simplify_shift_const): Remove extra semicolon.
15078 * dwarf2out.c (remove_AT): Likewise.
15079 * expmed.c (expand_mult): Likewise.
15080 * gcov.c (create_program_flow_graph): Likewise.
15081 * reorg.c (mostly_true_jump): Likewise.
15083 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
15085 * fold-const.c (fold_range_test): Do not try to fold the range
15086 test if the rhs or lhs has side effects.
15088 * combine.c (simplify_rtx): Recognize another case of a synthesized
15091 * varasm.c (mark_constant_pool): When marking indirect references,
15092 only look at SYMBOL_REFs.
15094 * except.c (expand_fixup_region_end): Do not peek at
15095 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
15097 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
15099 * flags.h: New variables align_loops, align_loops_log,
15100 align_jumps, align_jumps_log, align_labels, align_labels_log,
15101 align_functions, align_functions_log.
15102 * toplev.c: Define them.
15103 (f_options): Handle -falign-* when they have no argument.
15104 (main): Add logic to set variables for -falign-functions,
15105 -falign-jumps, -falign-labels, -falign-loops.
15106 Make it -fsched-verbose=<n> and -finline-limit=<n>.
15107 (display_help): Change help to match options.
15108 * final.c (LABEL_ALIGN): Default to align_labels_log.
15109 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
15110 (LOOP_ALIGN): Default to align_loops_log.
15111 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
15112 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
15113 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
15114 * varasm.c (assemble_start_function): Handle align_functions.
15116 * config/sparc/sparc.h: Don't declare sparc_align_*.
15117 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
15118 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
15120 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
15122 * config/sparc/sparc.c: Delete sparc_align_loops,
15123 sparc_align_jumps, sparc_align_funcs and the corresponding string
15125 (sparc_override_options): Default align_functions on ultrasparc.
15126 Delete -malign-* handling.
15128 * config/mips/mips.c (override_options): On 64-bit targets,
15129 try to align code to 64-bit boundaries.
15130 (print_operand): New substitution, %~,
15131 which aligns labels to align_labels_log.
15132 * config/mips/mips.md (div_trap_normal): Use %~.
15133 (div_trap_mips16): Likewise.
15135 (absdi2): Likewise.
15136 (ffssi2): Likewise.
15137 (ffsdi2): Likewise.
15138 (ashldi3_internal): Likewise.
15139 (ashrdi3_internal): Likewise.
15140 (lshrdi3_internal): Likewise.
15141 (casesi_internal): Likewise.
15143 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
15145 Merge new ia32 backend from the branch!
15147 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
15148 See ChangeLog.P2 on new_ia32_branch for details.
15150 * rtl.h (stack_regs_mentioned_p): Delete prototype.
15151 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
15152 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
15153 * i386/gas.h (ASM_FILE_START): Define.
15154 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
15155 for name change of ix86_valid_decl_attribute_p.
15156 (i386_pe_valid_type_attribute_p): Similarly.
15158 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
15160 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
15161 to step through CC modes.
15163 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15165 * regmove.c (fixup_match_1): Don't move INSN in front of P if
15166 it would end up in the shadow of a live flags regsiter.
15168 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15170 * reload1.c: Fix many indentation problems.
15171 * reload.c: Likewise.
15173 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
15175 * alias.c (non_local_reference_p): Constify fmt.
15177 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
15179 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
15181 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
15183 * cse.c (delete_trivially_dead_insns): Do not delete stores to
15184 the internal_arg_pointer.
15186 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
15188 Merge peephole2 from new_ia32_branch:
15189 * Makefile.in (STAGESTUFF): Add *.peephole2.
15190 (mostlyclean): Likewise.
15191 (recog.o): Depend on resource.h.
15193 * final.c (peephole): Conditionalize decl on HAVE_peephole.
15194 (final_scan_insn): Likewise for the invocation of peephole.
15195 * genconfig.c (main): Look for peephole and peephole2 patterns.
15196 Emit HAVE_peephole* accordingly.
15197 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
15198 * flags.h (flag_peephole2): Declare.
15199 * toplev.c: New pass peephole2. New flag -fpeephole2.
15201 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
15202 * gencodes.c (main): Likewise.
15203 * genextract.c (main): Likewise.
15204 * genoutput.c (main): Likewise.
15205 * genemit.c (max_operand_1): Look for the max scratch operand.
15206 (gen_rtx_scratch): New.
15207 (gen_exp): Use it, and pass on new arg subroutine_type.
15208 (gen_expand): Take max scratch into account.
15209 (gen_split): Emit peephole2 functions.
15210 (output_peephole2_scratch): New.
15211 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
15212 * genrecog.c (routine_type): Add PEEPHOLE2.
15214 (make_insn_sequence): Match outer parallel for peep2. Discard
15215 top level scratches and dups.
15216 (add_to_sequence): New args insn_type and top. Update all callers.
15217 Handle toplevel peep2 matching insns.
15218 (write_subroutine): Handle peep2.
15219 (write_tree_1): Likewise.
15220 (write_tree): Likewise.
15222 (change_state): New arg afterward. Update all callers.
15223 Handle matching separate insns.
15224 * recog.c (recog_next_insn): New.
15225 (peephole2_optimize): New.
15226 * rtl.def (DEFINE_PEEPHOLE2): New.
15227 * resource.c (find_free_register): New argument last_insn. Use it
15228 to find a register available through the entire span.
15229 * resource.h (find_free_register): Update prototype.
15231 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
15233 * i386.c (output_strlen_unroll): Don't write xops[7]
15234 label if it wasn't set.
15236 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
15238 * cpplib.c (struct directive): Const-ify name pointer and
15239 function pointer prototype.
15240 (validate_else, do_define, do_line, do_include, do_undef,
15241 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
15242 do_elif, do_endif, do_sccs, do_assert, do_unassert,
15243 do_warning): Const-ify second arg.
15244 (directive_table): Mark const. Reorder entries by frequency
15245 of usage, record statistics.
15247 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
15249 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
15250 bounds- check RTL accesses if --enable-checking.
15251 (RTVEC_ELT): Bounds check if --enable-checking.
15252 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
15253 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
15254 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
15256 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
15257 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
15259 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
15260 (NOTE_SOURCE_FILE): Use X0STR.
15261 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
15262 MEM_ALIAS_SET): Use X0INT.
15263 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
15264 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
15266 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
15267 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
15268 (rtl_check_failed_bounds, rtl_check_failed_type1,
15269 rtl_check_failed_type2, rtvec_check_failed_bounds): New
15271 (fancy_abort): Fix comment.
15273 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
15274 (cse_insn): Decrement LABEL_NUSES for jump target before
15275 deleting jump insn.
15276 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
15277 * final.c (alter_subreg): Compute regno before changing x to
15278 REG; set REGNO(x) after changing it.
15279 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
15280 notes containing CONST_INTs.
15281 (delete_eh_regions): Use NOTE_EH_HANDLER.
15282 * function.c (put_reg_into_stack): Make reg a MEM before
15284 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
15286 (gen_mem_addressof): Make reg a MEM before initializing it.
15287 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
15289 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
15290 deleting an insn, not after.
15291 (block_alloc): Only look at PATTERN(insn) if we have to, and
15292 only if it's format class 'i'.
15293 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
15294 CONST_INT before using its INTVAL.
15295 * print-rtl.c (print_rtx): Use X0STR.
15296 * regmove.c (fixup_match_1): Don't look at PATTERN of
15297 non-class-'i' insn chain elements.
15298 * reload.c (loc_mentioned_in_p): Take address of
15299 in->fld[1].rtx directly.
15300 * reload1.c (reload): Change reg to a MEM before initializing
15302 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
15304 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
15306 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
15308 * config/mips/mips.c (machine_dependent_reorg): Force a
15309 barrier to output the local constant pool if a barrier hasn't
15310 been found at a natural point in the instruction stream.
15312 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15314 * c-parse.in (language_string): Constify.
15316 * dwarf2out.c (language_string): Remove declaration.
15318 * dwarfout.c (language_string): Likewise.
15320 * toplev.c (language_string, init_parse, finish_parse): Likewise.
15322 * tree.h (language_string, init_parse, finish_parse): Declare.
15324 * i386/sun386.h (language_string): Remove declaration.
15326 * mips.h (language_string): Likewise.
15328 * nextstep.h (language_string): Likewise.
15330 * nextstep21.h (language_string): Likewise.
15332 * rs6000.c (language_string): Likewise.
15334 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15336 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
15337 (getpwd.o): Remove target.
15339 * getpwd.c: Delete file. Its in libiberty now.
15341 * dbxout.c (getpwd): Don't prototype.
15342 * dwarf2out.c (getpwd): Likewise
15343 * dwarfout.c (getpwd): Likewise
15344 * final.c (getpwd): Likewise.
15345 * protoize.c (getpwd): Likewise.
15347 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15349 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
15351 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
15353 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
15354 mark_set_resources.
15356 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
15358 * fixinc/Makefile.in (subdir): New.
15359 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
15362 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
15364 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
15365 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
15368 * invoke.texi: Fix typo.
15370 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
15371 changed. Handle autoincrement addressing modes.
15373 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
15374 just like we would the virtual incoming args register when
15377 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
15379 * rs6000.h (ASM_FILE_START): Specify complete filename, including
15380 path, in .file directive.
15382 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
15384 * gcc.texi (External Bugs): Remove obsolete note about Perl on
15387 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
15389 * stdbool.h: Make the typedef name _Bool, with bool a #defined
15392 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15394 * tree.c (tree_code_name): Constify a char*.
15396 * tree.h (tree_code_name, decl_printable_name): Likewise.
15398 * function.h (struct function): Likewise.
15400 * toplev.c (decl_name, decl_printable_name): Likewise.
15402 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
15404 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
15405 (init_objc): Remove function pointer cast.
15407 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
15409 * pa.md (interspace_jump): New pattern.
15410 (builtin_longjmp): New expander.
15412 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
15414 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
15415 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
15416 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
15418 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
15420 * jump.c (delete_prior_computation): Also check calls
15421 to constant functions. Don't bother checking for a
15422 REG_UNUSED note before adding it.
15423 (delete_computation): Handle multi-word hard registers
15424 when synthesizing missing REG_DEAD notes for a register
15425 which is both set and used by an insn.
15427 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15429 * loop.c (this_loop_info): New variable.
15430 (loop_has_call, loop_has_volatile, loop_has_tablejump,
15431 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
15433 (prescan_loop, strength_reduce): New argument loop_info. All callers
15435 (scan_loop): New variable loop_info, initialise to address of
15437 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
15438 Delete variable loop_has_multiple_exit targets and replace with
15439 field in this_loop_info.
15440 (find_and_verify_loops): Rename this_loop to this_loop_num.
15441 (strength_reduce): Delete loop_iteration_info. Replace variable
15442 loop_info with function argument of same name.
15443 (insert_bct): Rework test for loop being completely unrolled.
15445 * loop.h (struct loop_info): New fields num, loops_enclosed,
15446 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
15447 has_indirect_jump, and cont. Redefine use of unroll_number.
15448 (loop_unroll_number): Delete.
15450 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
15451 field of loop_info.
15452 (loop_iterations): Delete variable vtop and instead use
15453 loop_info->vtop computed in prescan_loop.
15455 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
15457 * fix-header.c (main): Do not pass a null pointer to strcmp.
15459 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
15461 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
15463 * configure: Rebuilt.
15465 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
15467 * jump.c (jump_optimize_1): Do not delete assignments to
15468 internal_arg_pointer.
15469 * cse.c (delete_trivially_dead_insns): Always consider a set of
15470 the internal_arg_pointer live.
15472 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
15474 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
15475 (update_life_info) [REG_WAS_0]: Search the original insns rather
15476 than the new insns for the note. Fix typos finding note_dest.
15477 If no dest found, discard the note rather than abort.
15478 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
15479 (replace_insns): Remove the old insn list after update_life_info
15482 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
15484 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
15485 sched_analyze_insn.
15486 (sched_analyze_1): Let add_dependence care for not adding dups.
15487 (sched_analyze_2): Likewise.
15488 (add_branch_dependences): Likewise.
15490 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
15492 * i386/winnt.c (export_list): New type.
15493 (exports_head): Rename to
15494 (export_head): this.
15495 (i386_pe_record_exported_symbol): Add is_data flag.
15496 (i386_pe_asm_file_end): Emit directive for exported variables.
15497 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
15499 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
15500 (ASM_DECLARE_OBJECT_NAME): Likewise.
15501 (ASM_DECLARE_FUNCTION_NAME): Likewise.
15502 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
15504 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
15506 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
15508 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
15511 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
15513 * config/openbsd.h: Define SET_ASM_OP.
15514 * tm.texi: cross-reference SET_ASM_OP in the index.
15516 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
15518 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
15519 for a CONST_DOUBLE, at compile time. Initialize rtx_length
15520 and class_narrowest_mode at compile time. Kill init_rtl.
15521 Mark rtx_length, mode_class, mode_size, mode_unit_size,
15522 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
15523 rtx_format as const. Kill all references to EXTRA_CC_MODES or
15525 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
15527 * rtl.h: Declare rtx_length and rtx_format as const.
15528 * machmode.def: Define CC(). Use CC() to define CCmode. If
15529 EXTRA_CC_MODES is defined, expand it here.
15530 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
15531 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
15532 const. Kill all references to EXTRA_CC_MODES.
15534 * toplev.c: Don't prototype or call init_rtl.
15535 * optabs.c: Don't call init_mov_optab.
15536 * genemit.c: Don't generate init_mov_optab. Don't call
15538 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
15540 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
15541 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
15542 genrecog.c: Don't call init_rtl.
15544 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
15545 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
15546 definition of EXTRA_CC_MODES.
15548 * md.texi: Kill ref to EXTRA_CC_NAMES.
15549 * tm.texi: Document new way to define EXTRA_CC_MODES.
15551 * genrecog.c: Do not look up the name of a define_split.
15552 (Unrelated bugfix.)
15554 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
15556 * config/v850/v850.md: Fix typo introduced by previous delta.
15558 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15560 * gcc.c (fatal): Make definition static to match prototype.
15562 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15564 * combine.c (get_last_value): Don't look for earlier sets if the last
15565 known set is somewhere in between the insns being combined.
15567 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
15569 * configure.in: Don't use shell ! to negate exit codes
15570 * configure: Regenerate
15572 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
15574 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
15575 the fact that ALIGN is measured in bits, not bytes.
15577 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
15579 * errors.c: New file; defines functions error, warning, and
15580 fatal, variables have_error and progname.
15581 * errors.h: New file; prototypes and decls for stuff in errors.c.
15583 * Makefile: Add rules to build errors.o and
15584 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
15585 genopinit, genrecog, genextract, genpeep, genattr, and
15586 genoutput with errors.o. Add errors.h to deps of genconfig.o,
15587 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
15588 genpeep.o, genattr.o, and genoutput.o.
15590 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
15591 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
15592 define or prototype fatal. Set progname at beginning of main.
15593 * genoutput.c: Likewise, and don't define or prototype error
15596 * c-typeck.c (c_expand_start_case): Return immediately if exp
15598 * fold-const.c (operand_equal_p): Return immediately if arg1
15599 or arg0 are ERROR_MARKs.
15600 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
15601 fields of type ERROR_MARK when calculating if the record can
15604 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
15605 with much help from Jeffrey A Law and Richard Henderson
15607 * i386.md: In the 6 insns which call output_fix_trunc,
15608 earlyclobber operands[0].
15610 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
15612 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
15613 creating new registers.
15615 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
15617 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
15618 i386_reg_alloc_order, i386_regparm_string,
15619 i386_align_loops_string, i386_align_jumps_string,
15620 i386_align_funcs_string, i386_preferred_stack_boundary_string,
15621 and i386_branch_cost_string as type "const char *".
15622 * i386.c: Define all above strings as type "const char *".
15624 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
15626 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
15627 when emitting alignment padding. Emit padding byte of 0 instead of 4.
15629 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
15631 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
15632 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
15634 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
15636 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
15637 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
15638 (dwarf2out_line, dwarf2out_finish): Likewise.
15639 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
15641 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
15643 * tree.c (lang_unsave_expr_now) : Correct return type.
15644 * tree.h (lang_unsave_expr_now) : Same.
15646 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
15648 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
15649 instead of duplicating code.
15651 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15653 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
15655 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
15657 * tree.h: fancy_abort always takes three args.
15658 * resource.c: Move include of system.h before toplev.h.
15660 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
15662 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
15665 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
15667 * system.h: Don't redefine abort or trim_filename.
15668 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
15669 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
15670 whether or not __FUNCTION__ is available.
15671 * tree.h: Duplicate rtl.h's definition of abort, for files
15672 that don't include rtl.h. Delete all code to perform type
15673 checking with a compiler other than GCC.
15674 * varray.h: Delete all code to perform type checking with a
15675 compiler other than GCC. Make VARRAY_CHECK() always evaluate
15676 its arguments exactly once, using a statement expression.
15677 Adjust the VARRAY_<type> accessor macros to match.
15678 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
15679 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
15680 caller's location. Define fatal_insn and fatal_insn_not_found
15681 as macros that use _fatal_insn and _fatal_insn_not_found.
15682 (fancy_abort, trim_filename): Kill prototypes.
15684 * rtl.c (trim_filename): Move here from toplev.c.
15685 (fancy_abort): New function.
15686 (DIR_SEPARATOR): Provide default definition.
15687 * tree.c (tree_check_failed, tree_class_check_failed): Go
15688 through fancy_abort.
15689 (tree_check, tree_class_check, cst_or_constructor_check,
15690 expr_check): Delete.
15691 * varray.c (varray_check_failed): New function.
15692 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
15693 _fatal_insn and _fatal_insn_not_found. Go through
15695 (trim_filename, fancy_abort): Delete.
15697 * builtins.c (expand_builtin_args_info): Report ICE with abort.
15698 * except.c (start_catch_handler): Report ICE with error/abort
15700 * final.c (output_operand_lossage): Likewise.
15701 * flow.c (verify_flow_info): Likewise.
15703 * gcc.c: Prototype fatal.
15704 * gengenrtl.c: Undef abort after including rtl.h not system.h.
15705 * genattr.c, genattrtab.c, genemit.c, genextract.c,
15706 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
15707 Don't define fancy_abort.
15709 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
15711 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
15714 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
15716 * m88k.h (VERSION_INFO2): Kill.
15717 (VERSION_STRING): Kill.
15719 (VERSION_INFO1): Tidy.
15720 (TARGET_VERSION): Update.
15721 * m88k/dgux.h (VERSION_INFO2): Kill.
15722 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
15723 * m88k/luna.h (VERSION_INFO1): Tidy.
15724 * m88k/sysv4.h (VERSION_INFO1): Likewise.
15725 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
15726 (output_file_start): Adjust for death of VERSION_STRING.
15728 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
15730 * cpplib.c (detect_if_not_defined): New function.
15731 (do_if): Use it to detect potential once-only headers.
15733 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
15735 * c-common.c (combine_strings): Always set TREE_CONSTANT.
15737 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
15739 * combine.c (nonzero_bits) : Allow single-ly set registers to be
15740 anywere in the function only if they are pseudos and set before
15741 being used (not live at the start of the function).
15742 (num_sign_bit_copies) : Same.
15743 (get_last_value_validate) : Same.
15744 (get_last_value) : Same.
15746 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
15748 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
15749 where N and M are constant and N is an integer multiple of M.
15751 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
15753 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
15754 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
15755 sbitmap_union_of_preds): Add prototypes.
15756 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
15757 the intersection of successors with the new flow graph structures.
15758 (sbitmap_intersection_of_preds): New function to compute the
15759 intersection of predecessors with the new flow graph structures.
15760 (sbitmap_union_of_succs): New function to compute the union of
15761 successors with the new flow graph structures.
15762 (sbitmap_union_of_preds): New function to compute the union of
15763 predecessors with the new flow graph structures.
15764 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
15765 (expr_reaches_here_p): Use edge and basic_block structures instead
15766 of s_preds and s_succs.
15767 (compute_cprop_avinout): Use new sbitmap routines.
15768 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
15769 of s_preds and s_succs.
15770 * flow.c (compute_flow_dominators): Compute dominators using
15771 edges and basic blocks instead of s_preds and s_succs.
15773 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
15775 * lists.c (unused_insn_list, unused_expr_list): New file for
15776 maintaining various types of lists. New statics for maintaining a
15777 cache of available INSN_LIST and EXPR_LIST nodes.
15778 (free_list): Static function for freeing a list of INSN/EXPR nodes.
15779 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
15780 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
15781 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
15782 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
15783 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
15784 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
15785 (free_INSN_LIST_node): Free an individual INSN_LIST node.
15786 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
15787 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
15788 (remove_dependence, free_pending_lists): Use new global routines.
15789 (flush_pending_lists, sched_analyze_insn): Use new global routines.
15790 (sched_analyze, compute_block_backward_dependences): Use new routines.
15791 (sched_analyze_1, sched_analyze_2): Use new routines.
15792 (schedule_insns): Use new global routines.
15793 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
15795 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
15796 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
15798 * toplev.c (rest_of_compilation): Initialize node cache.
15799 * Makefile.in (OBJS): Add lists.o to list of object files.
15800 (lists.o): Add dependancies.
15802 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
15804 * config/v850/v850.md: Fix compile time warning messages.
15805 * config/v850/v850.c: Fix compile time warning messages.
15806 * config/v850/v850.h: Fix compile time warning messages.
15808 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15810 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
15811 Remove unused prototype for `init_lengths'.
15813 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15815 * calls.c (emit_call_1): Mark parameter `stack_size' with
15817 (expand_call): Initialize variable `insn'.
15818 (emit_library_call): Likewise for variable `high_to_save'.
15819 (emit_library_call_value): Likewise.
15820 (store_one_arg): Likewise for variables `lower_bound' and
15823 * combine.c (try_combine): Likewise for variables `i2_code_number'
15824 and `other_code_number'.
15825 (find_split_point): Likewise for variables `pos', `unsignedp' and
15827 (simplify_if_then_else): Likewise for variables `op' and `c1'.
15828 (simplify_and_const_int): Remove unused variable `width'.
15829 (merge_outer_ops): Likewise.
15831 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
15832 HOST_WIDE_INT' when comparing against one.
15833 (simplify_relational_operation): Likewise.
15834 (cse_insn): Initialize variables `src_eqv_volatile',
15835 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
15837 * final.c (init_final): Constify parameter `filename'.
15838 (final_start_function): Mark parameter `optimize' with
15840 (profile_function): Likewise for parameters `first' and `optimize'.
15841 (output_source_line): Likewise for parameter `file'.
15843 * integrate.c (subst_constants): Cast a value to `size_t' when
15844 comparing against one.
15845 (mark_stores): Initialize variable `mode'. Cast a value to
15846 `size_t' when comparing against one.
15848 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
15850 * loop.c (move_movables): Initialize variable `first'.
15851 (strength_reduce): Likewise for variable `increment'.
15852 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
15853 value to `size_t' when comparing against one.
15854 (load_mems): Initialize variable `end_label'.
15856 * output.h (init_final): Constify parameter.
15858 * reload.c (decompose): Initialize variable `base'.
15860 * reload1.c (reload): Likewise for variable `is_scalar'.
15861 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
15862 (choose_reload_regs): Initialize variable `mode'.
15863 (emit_reload_insns): Likewise for variable `store_insn'.
15864 (reload_cse_noop_set_p): Mark parameter `insn' with
15866 (reload_combine): Initialize variable `set'.
15868 * unroll.c (unroll_loop): Likewise for variable `local_label'.
15869 (copy_loop_body): Cast a value to `size_t' when comparing against
15872 * varasm.c (assemble_variable): Initialize variable `size_tree'.
15873 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
15874 (remove_from_pending_weak_list): Mark parameter `name' with
15877 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15879 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
15882 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
15884 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
15885 (ASM_DECLARE_FUNCTION_NAME): Define.
15886 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
15887 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
15888 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
15889 not already defined.
15891 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
15893 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
15894 of n_popped when call/call_value are not defined.
15896 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
15898 * tm.texi: GNU CC -> GCC conversion.
15899 (CC1_SPEC): Indicate it is used for all language front ends.
15901 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
15903 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
15904 NOTE_INSN_EH_REGION_END correctly.
15906 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
15907 Jeff Law <law@cygnus.com>
15909 * loop.c (strength_reduce): Automatically unroll loops if the
15910 unrolled loop size is smaller than the rolled loop size.
15912 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
15913 and delete comment that code should be rewritten.
15915 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
15917 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
15920 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
15922 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
15924 * fixinc/mkfixinc.sh: Don't fix uwin headers.
15925 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
15926 (LINK_SPEC): Add -u _main when building executables.
15927 (ASM_DECLARE_FUNCTION): Update from Cygwin.
15928 (ASM_FILE_END): Use the default for ix86-pe.
15929 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
15931 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
15933 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
15934 and ASM_CLOSE_PAREN are empty strings.
15936 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
15937 Geoffrey Keating <geoffk@cygnus.com>
15939 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
15940 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
15941 (unprotoize.o): Ditto.
15942 (test-protoize-simple): Don't define STD_PROTO_DIR.
15943 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
15944 changes to make 'test-protoize-simple' pass.
15945 (STD_PROTO_DIR): Remove define.
15946 (STANDARD_EXEC_PREFIX): Supply default define.
15947 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
15948 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
15949 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
15950 (GET_ENV_PATH_LIST): New macro.
15951 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
15952 (do_processing): Initialize default_syscalls_dir using new
15953 macros. Use it to initialize syscalls_absolute_filename.
15955 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
15957 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
15958 B into a register before emit_conditional_move.
15960 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
15962 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
15963 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
15964 multiplicand out of (+ (* a b) (* c d)).
15966 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
15967 Richard Henderson <rth@cygnus.com>
15969 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
15970 (new_insn_dead_notes): Likewise.
15971 (update_n_sets): Likewise.
15972 (update_flow_info): Move to flow.c, renamed to update_life_info;
15973 extend to handle multiple source insns.
15974 * flow.c: Include resource.h
15975 (unlink_insn_chain): New.
15976 (split_hard_reg_notes): New.
15977 (maybe_add_dead_note): New.
15978 (maybe_add_dead_note_use): New.
15979 (find_insn_with_note): New.
15980 (new_insn_dead_notes): New.
15981 (update_n_sets): New.
15982 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
15983 (maybe_remove_dead_notes): New.
15984 (update_life_info): New.
15985 (prepend_reg_notes): New.
15986 (replace_insns): New.
15987 * output.h (update_life_info): Declare.
15988 * recog.c (split_block_insns): Use update_life_info.
15989 * resource.c (find_free_register): Use reg_alloc_order, don't use
15990 fixed regs, make sure the mode is supported, don't use new regs.
15992 * rtl.h (replace_insns): Declare.
15994 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
15996 * expr.c (expand_expr): Cope with COND_EXPRs with one
15997 non-returning branch.
15999 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
16001 * expr.c (store_expr): Always pass down the target, even when not
16004 1999-08-24 Nick Clifton <nickc@cygnus.com>
16006 * configure.in: Define target_cpu_default for v850 targets.
16007 * configure: Regenerate
16009 * config/v850/v850.h (TARGET_CPU_generic): Define.
16010 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
16011 addresses are 4 byte aligned.
16013 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
16016 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16018 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
16019 (main): Add prototypes.
16021 * genattrtab.c (substitute_address, write_const_num_delay_slots,
16022 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
16023 (write_attr_get): Emit prototypes along with function definition.
16024 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
16025 (write_complex_function): Emit static prototype along with
16026 function definition.
16028 * genemit.c (gen_split): Emit prototypes along with function
16031 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
16032 Likewise for predicates and `insn_operand_predicate'.
16033 (process_template): Emit static prototype along with function
16036 * genrecog.c (make_insn_sequence): Constify a char*. Add
16037 prototypes for get_split_*().
16038 (write_subroutine): Emit prototypes along with function
16041 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16043 * gcse.c (find_avail_set): Follow chains of register-register copies.
16044 Use oprs_not_set_p to guarantee that the returned value can be
16046 (cprop_insn): Don't verify the return value of find_avail_set with
16049 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
16050 (cprop_cc0_jump): New function.
16051 (cprop_insn): Break out new function cprop_jump and use it.
16052 Also use cprop_cc0_jump for machines with CC0.
16053 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
16055 * tree.h (current_function_calls_setjmp,
16056 current_function_calls_longjmp): Delete declarations.
16057 * dsp16xx.c: Include "function.h".
16058 * elxsi.c: Likewise.
16059 * gmicro.c: Likewise.
16060 * h8300.c: Likewise.
16061 * i370.c: Likewise.
16062 * m32r.c: Likewise.
16063 * mn10200.c: Likewise.
16064 * mn10300.c: Likewise.
16065 * ns32k.c: Likewise.
16066 * spur.c: Likewise.
16067 * v850.c: Likewise.
16069 * rtl.h (rtx_equal_function_value_matters): Declare.
16070 * toplev.c (rtx_equal_function_value_matters): Don't declare.
16072 * function.c: Likewise.
16073 * emit-rtl.c: Likewise.
16075 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
16077 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
16080 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16082 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
16085 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
16087 * cpp.texi: Add a node documenting macro varargs (copied
16090 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
16092 * cppspec.c: Put a null pointer at the end of the new argv.
16094 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
16096 * configure.in: Remove code to select/de-select the haifa
16097 scheduler. Every scheduled port gets haifa now.
16098 * configure: Rebuilt.
16099 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
16101 * Makefile.in: Corresponding changes.
16103 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16105 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
16106 All callers changed.
16107 (prepare_float_lib_cmp): Likewise.
16108 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
16109 * expr.h (emit_float_lib_cmp): Delete declaration.
16110 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
16111 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
16112 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
16114 (cmptf): Now conditional on TARGET_HARD_QUAD.
16116 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
16118 * resource.c (mark_target_live_regs): Use
16119 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
16121 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16123 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
16125 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
16127 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
16129 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16131 * rtl.h (rtx_format): Constify a char*.
16133 * rtl.c (rtx_format): Likewise.
16134 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
16135 (init_rtl): Use accessor macro, not `rtx_format'.
16137 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
16140 * caller-save.c (mark_referenced_regs): Likewise.
16142 * combine.c (subst, make_compound_operation, known_cond,
16143 gen_rtx_combine, update_table_tick, get_last_value_validate,
16144 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
16146 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
16147 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
16148 count_reg_usage): Likewise.
16150 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
16153 * final.c (leaf_renumber_regs_insn): Likewise.
16155 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
16156 dump_edge_info, count_reg_references): Likewise.
16158 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
16159 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
16162 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
16163 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
16164 add_label_notes): Likewise.
16166 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
16167 clear_struct_flag, count_sub_rtxs, count_alternatives,
16168 compares_alternatives_p, contained_in_p, walk_attr_value,
16169 write_expr_attr_cache): Likewise.
16171 * genconfig.c (walk_insn_part): Likewise.
16173 * genemit.c (max_operand_1, gen_exp): Likewise.
16175 * genextract.c (walk_rtx): Likewise.
16177 * genflags.c (num_operands): Likewise.
16179 * genoutput.c (scan_operands): Likewise.
16181 * genpeep.c (match_rtx): Likewise.
16183 * genrecog.c (add_to_sequence): Likewise.
16185 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
16188 * integrate.c (save_constants, copy_for_inline,
16189 copy_rtx_and_substitute, subst_constants, restore_constants):
16192 * jump.c (mark_jump_label, invert_exp, redirect_exp,
16193 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
16195 * local-alloc.c (contains_replace_regs, memref_referenced_p):
16198 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
16199 add_label_notes, replace_call_address, count_nonfixed_reads,
16200 invariant_p, find_single_use_in_loop, find_mem_givs,
16201 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
16204 * print-rtl.c (reg_names, print_rtx): Likewise.
16206 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
16208 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
16209 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
16210 print_blocks): Likewise.
16212 * regclass.c (fix_register, record_address_regs,
16213 reg_scan_mark_refs): Likewise.
16215 * regmove.c (stable_but_for_p): Likewise.
16217 * reload.c (loc_mentioned_in_p, operands_match_p,
16218 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
16219 copy_replacements, refers_to_regno_for_reload_p,
16220 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
16221 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
16224 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
16225 delete_address_reloads_1, count_occurrences,
16226 reload_cse_mem_conflict_p, reload_combine_note_use,
16227 add_auto_inc_notes): Likewise.
16229 * resource.c (mark_referenced_resources, mark_set_resources):
16232 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
16233 reg_mentioned_p, regs_set_between_p, modified_between_p,
16234 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
16235 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
16236 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
16237 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
16239 * sched.c (sched_analyze_2, attach_deaths): Likewise.
16241 * stupid.c (stupid_mark_refs): Likewise.
16243 * unroll.c (remap_split_bivs): Likewise.
16245 * varasm.c (mark_constants): Likewise.
16247 * a29k/a29k.c (uses_local_reg_p): Likewise.
16249 * alpha/alpha.c (summarize_insn): Likewise.
16251 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
16252 eliminate_lr2ip): Likewise.
16254 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
16256 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
16257 reg_mentioned_in_mem): Likewise.
16259 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
16260 symbolic_reference_mentioned_p): Likewise.
16262 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
16264 * sh/sh.c (regs_used, mark_use): Likewise.
16266 * vax/vax.c (vax_rtx_cost): Likewise.
16268 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16270 * machmode.h (mode_name): Constify a char*.
16272 * rtl.c (mode_name): Likewise.
16274 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
16276 * optabs.c (init_libfuncs): Constify a char*.
16278 * print-tree.c (mode_name): Remove redundant declaration.
16279 (print_node): Use accessor macro, not `mode_name'.
16281 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
16283 (new_spill_reg): Constify a char*.
16285 * tree.c (mode_name): Remove redundant declaration.
16287 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16289 * rtl.c (rtx_name): Constify a char*.
16291 * rtl.h (rtx_name, fix_sched_param): Likewise.
16293 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
16294 (mypr): Use accessor macro, not `rtx_name'.
16296 * genemit.c (print_code): Constify a char*.
16298 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
16300 * genpeep.c (print_code): Constify a char*.
16302 * genrecog.c (print_code): Likewise.
16304 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
16305 end_bb): Add static prototype.
16306 (draw_edge): Constify a char*.
16307 (end_bb): Remove unused parameter.
16309 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
16310 print_block_visualization): Constify a char*.
16312 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
16314 * c-common.c (c_get_alias_set): Update comment.
16316 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
16318 * linux.h (LIB_SPEC): Added.
16320 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16322 * config/c4x/c4x.h (STARTFILE_SPEC): Don't define.
16324 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
16326 * tree.c (expr_check): Fix typo in last change.
16328 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
16330 * rtl.def (NOTE): Change format to "iuu0n".
16331 (ADDR_DIFF_VEC): Change format to "eEee0".
16332 (ADDRESSOF): Change format to "eit".
16334 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
16335 (RTVEC_ELT): Change to match.
16336 (XVECEXP): Use XVEC and RTVEC_ELT.
16337 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
16338 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
16339 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
16340 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
16341 TRAP_CONDITION, TRAP_CODE): Use XEXP.
16342 (INTVAL): Use XWINT.
16343 (ADDRESSOF_DECL): Use XTREE.
16344 (SET_ADDRESSOF_DECL): Delete.
16345 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
16346 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
16347 ifdefed out since 2.6 at least.
16348 (gen_rtvec_vv): Delete prototype.
16350 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
16352 (copy_most_rtx): Handle 't' format letter.
16353 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
16354 (gen_rtvec_vv): Delete function. All callers changed to use
16355 gen_rtvec_v instead.
16356 * print-rtl.c (print_rtx): Move special casing of NOTEs to
16357 the '0' format letter.
16359 * function.c (gen_mem_addressof): Don't use
16360 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
16362 * integrate.c (copy_rtx_and_substitute): Likewise.
16363 Copy 't' slots with XTREE.
16364 (subst_constants): Treat 't' slots like '[swi]' slots.
16365 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
16366 * jump.c (rtx_equal_for_thread_p): Likewise.
16367 * rtlanal.c (rtx_equal_p): Likewise.
16368 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
16369 only four arguments.
16370 * gengenrtl.c (type_from_format): Provide correct types for
16374 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
16375 If a recent gcc is in use (always in stage2 and beyond), use
16376 statement expressions, so we don't make a function call unless
16377 the check fails. Evaluate arguments exactly once.
16378 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
16379 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
16381 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
16382 they evaluate their arguments exactly once, irrespective of
16383 the compiler in use.
16385 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
16386 is used by the currently-enabled check macros. This is:
16387 (tree_check_failed, tree_class_check_failed): For gcc.
16388 (tree_check, tree_class_check, cst_or_constructor_check,
16389 expr_check): For other compilers.
16391 * gencheck.c: Do not define any *_CHECK1 macros.
16393 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
16394 Mark Mitchell <mark@codesourcery.com>
16396 * c-common.c (c_get_alias_set): Fix support for poitners and
16399 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
16401 * alias.c: Include tree.h.
16402 (nonlocal_reference_p, mark_constant_function): New functions.
16403 * flow.c (life_analysis): Call mark_constant_function.
16404 * rtl.h (mark_constant_function): Declare it.
16406 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
16408 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
16409 unrecognisable switches.
16411 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16413 * loop.c (recombine_givs): Set ix field after sorting.
16414 (recombine_givs): Remove bogus index / giv lockstep looping.
16416 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16418 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
16420 (emit_store_flag_force): Use do_compare_rtx_and_jump.
16421 (do_cmp_and_jump): Formatting fixes.
16422 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
16423 do_compare_rtx_and_jump instead of compare_from_rtx.
16424 (do_compare_rtx_and_jump): New function; mostly copied from
16426 (do_jump_for_compare): Delete.
16427 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
16429 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
16430 of compare/do_jump_for_compare pairs.
16431 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
16432 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
16433 compare_from_rtx/do_jump_for_compare pairs.
16434 (do_jump_by_parts_equality): Likewise.
16435 (do_jump_by_parts_equality_rtx): Likewise.
16436 * expr.h (do_compare_rtx_and_jump): Declare.
16437 * optabs.c (prepare_cmp_insn): New function, contains most of the code
16438 that used to be in emit_cmp_insn.
16439 (cmp_available_p): New function.
16440 (prepare_operand): New function.
16441 (emit_cmp_and_jump_insn_1): New function, contains some code that used
16442 to be in emit_cmp_insn.
16443 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
16444 parameters to be pointers; don't emit final compare but modify some of
16445 the values pointed to by the args so the caller can perform the
16446 correct comparison.
16447 (expand_binop): Call emit_store_flag_force with signed forms of
16449 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
16450 emit_jump_insn pair.
16451 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
16452 emit_cmp_and_jump_insn_1. Call emit_queue.
16453 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
16455 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
16456 jump sets cc0 before deleting it.
16457 * integrate.c (expand_inline_function): Likewise.
16458 * unroll.c (unroll_loop): Similar changes in several places.
16459 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
16460 before deleting it.
16462 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16464 * Makefile.in (insn-recog.o): Update dependencies.
16465 * genrecog.c (main): Make generated file include "function.h".
16467 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
16469 * cse.c (cse_insn): Call never_reached_warning when a jump is
16470 changed to be unconditional.
16471 * flags.h: Declare warn_notreached.
16472 * flow.c (delete_block): Call never_reached_warning when
16473 a block is deleted.
16474 * jump.c (delete_barrier_successors): Call never_reached_warning
16475 when we delete everything after a BARRIER.
16476 (never_reached_warning): New function.
16477 * rtl.h: Declare never_reached_warning.
16478 * toplev.c (warn_notreached): New variable.
16479 (lang_independent_options): Set warn_notreached
16480 when -Wunreachable-code.
16481 (compile_file): We need line numbers for -Wunreachable-code.
16483 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
16485 * haifa-sched.c (insn_unit): Fix typo on out of range test.
16486 * sched.c (insn_unit): Likewise.
16488 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
16490 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
16492 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16494 * flow.c (create_edge_list): Use xmalloc, not malloc.
16496 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
16498 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
16499 C-style comments. Do not lose the character before double slash.
16501 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16503 * basic-block.h (struct edge_list): Stucture to maintain a vector
16505 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
16506 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
16507 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
16508 New function prototypes.
16509 * flow.c (create_edge_list): Function to create an edge list.
16510 (free_edge_list): Discards memory used by an edge list.
16511 (print_edge_list): Debug output showing an edge list.
16512 (verify_edge_list): Internal consistency check for an edge list.
16513 (find_edge_index): Function to find an edge index for a pred and succ.
16515 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
16517 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
16520 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
16522 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
16524 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
16526 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
16528 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
16530 * toplev.c (rest_of_compilation): Allow machine dependent
16531 reorganisation pass to place information into the RTL dump
16532 file if it so wishes.
16534 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
16536 * explow.c (hard_function_value): Use VOIDmode instead of
16538 * stmt.c (expand_return): Likewise.
16539 * stor-layout.c (get_best_mode): Likewise.
16541 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
16542 emit call instead of emit_insn call.
16544 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
16546 * configure.in: Handle --disable/enable-win32-registry.
16547 * install.texi: Document --disable/enable-win32-registry.
16548 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
16549 (WIN32_REGISTRY_KEY): New macro.
16550 * prefix.c: Use to enable/disable win32-specific code.
16551 (lookup_key): Use versioned key.
16552 * configure: Regenerate.
16553 * config.in: Likewise.
16555 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
16557 * cpplib.c (read_line_number): New fn, split out of...
16560 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
16562 tree.c (lang_unsave_expr_now) : New.
16563 (unsave_expr_now): Call lang_unsave_expr_now.
16564 tree.h (lang_unsave_expr_now) : New.
16566 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
16568 * toplev.c (flag_new_exceptions): On by default.
16570 1999-08-13 Michael Meissner <meissner@cygnus.com>
16572 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
16574 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
16576 * dwarfout.c (fundamental_type_code): Return FT_boolean for
16577 INTEGER_TYPE with precision==1, it's __java_boolean.
16579 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16581 * global.c (prune_preferences): Move some invariants out of the
16584 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
16586 * configure.in (alpha*-dec-osf*): Add osf5.
16588 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
16590 * configure.in: Rework handling of ARM GNU/Linux slightly.
16591 (arm*-*-linux-gnuoldld): New target.
16592 * configure: Regenerate.
16593 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
16594 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
16595 * config/arm/linux-oldld.h: New file.
16596 * config/arm/linux-elf26.h: Don't include linux-elf.h.
16597 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
16599 * config/arm/linux-elf.h (ASM_SPEC): Define.
16600 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
16601 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
16602 for 26-bit APCS and old linker.
16603 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
16605 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
16606 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
16607 don't define `arm' or `arm_elf'.
16608 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
16609 MULTILIB_DIRNAMES): Define. Fix typo in comment.
16611 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
16613 * rtl.texi: Fix typo.
16615 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
16617 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
16619 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
16621 * extend.texi (C++ Signatures): Remove node.
16622 * invoke.texi: Remove discussion of -fhandle-signatures,
16623 signature, sigof, __signature__, and __sigof__.
16625 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
16627 * Makefile.in (JAVAGC): Removed.
16629 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
16631 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
16633 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
16635 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
16637 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
16639 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
16640 a register that is already known to be a pointer.
16642 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
16644 * fixinc/inclhack.tpl: Only install assert.h conditionally.
16645 * fixinc/inclhack.sh: Regenerated.
16646 * fixinc/fixincl.sh: Regenerated.
16648 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
16650 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
16651 Fix documentation of -ansi flag to describe its C++ behavior.
16652 Remove bogus reference to GCC 2.9.
16654 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
16656 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
16657 note if it is non-NULL.
16659 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16661 * except.h (eh_nesting_info): Add new structure defintion.
16662 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
16663 (reachable_handlers, update_rethrow_references): Add function
16665 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
16666 a rethrow symbol instead of an integer exception region number.
16667 * flow.c (Make_edges): Use new exception nesting routines to determine
16668 which handlers are reachable from a CALL or asynchronous insn.
16669 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
16671 (delete_eh_regions): Update rethrow labels, and don't delete
16672 regions which are the target of a rethrow.
16673 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
16674 avoid overloading the SYMBOL_REF_USED flag.
16675 (rethrow_symbol_map): Use new rethrow_ref field.
16676 (rethrow_used): Use new rethrow_ref field.
16677 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
16678 of an integer. Fix formatting.
16679 (output_exception_table_entry): Use new rethrow_ref field.
16680 (can_throw): Check for EH_REGION_NOTE before deciding
16681 whether a CALL can throw or not.
16682 (scan_region): Call rethrow_used() instead of accessing data structure.
16683 (update_rethrow_references): New function to make sure only regions
16684 which are still targets of a rethrow are flagged as such.
16685 (process_nestinfo): New static function to initialize a handler
16686 list for a specific region.
16687 (init_eh_nesting_info): New function to allocate and initialize
16688 the list of all EH handlers reachable from all regions.
16689 (reachable_handlers): New function to retrieve the list of handlers
16690 reachable from a specific region and insn.
16691 (free_eh_nesting_info): New function to dispose of a list of
16692 reachable handlers.
16694 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16696 * flow.c (split_edge): Set JUMP_LABEL field.
16697 (commit_one_edge_insertion): Set head correctly for insert_before.
16698 When inserting insns, update insn block numbers if allocated.
16700 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16702 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
16703 retry_incomplete_types): Add static prototype.
16704 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
16705 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
16706 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
16707 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
16708 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
16711 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
16712 dwarf2out_start_source_file, dwarf2out_line): Likewise.
16714 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16716 * output.h (assemble_name): Constify a char*.
16718 * varasm.c (UNIQUE_SECTION, assemble_start_function,
16719 assemble_variable, assemble_name): Likewise.
16721 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
16723 * arm/pe.c (arm_pe_unique_section): Likewise.
16725 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
16727 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
16729 * i386/interix.c (i386_pe_unique_section): Likewise.
16731 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
16733 * i386/winnt.c (i386_pe_unique_section): Likewise.
16735 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
16737 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
16739 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
16741 * pa/pa.c (output_call): Likewise.
16743 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
16745 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
16747 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
16750 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
16753 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
16755 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
16756 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
16758 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
16760 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16762 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
16764 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16766 * tree.h (lang_identify): Constify a char*.
16767 (print_error_function): Add extern prototype. Constify a char*.
16769 * c-lang.c (lang_identify): Constify a char*.
16771 * objc/objc-act.c (lang_identify): Constify a char*.
16773 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16775 * genpeep.c (main): Make generated file include "function.h".
16776 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
16778 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16780 * Makefile.in: Update dependencies.
16781 * alias.c: Include "function.h"
16782 * c-decl.c: Likewise.
16783 * caller-save.c: Likewise.
16784 * calls.c: Likewise.
16785 * combine.c: Likewise.
16787 * explow.c: Likewise.
16788 * final.c: Likewise.
16789 * global.c: Likewise.
16790 * graph.c: Likewise.
16791 * local-alloc.c: Likewise.
16792 * loop.c: Likewise.
16793 * optabs.c: Likewise.
16794 * profile.c: Likewise.
16795 * recog.c: Likewise.
16796 * regclass.c: Likewise.
16797 * regmove.c: Likewise.
16798 * reload.c: Likewise.
16799 * reorg.c: Likewise.
16800 * resource.c: Likewise.
16801 * sched.c: Likewise.
16802 * stupid.c: Likewise.
16803 * config/1750a/1750a.c: Likewise.
16804 * config/a29k/a29k.c: Likewise.
16805 * config/arc/arc.c: Likewise.
16806 * config/arm/arm.c: Likewise.
16807 * config/arm/thumb.c: Likewise.
16808 * config/c4x/c4x.c: Likewise.
16809 * config/clipper/clipper.c: Likewise.
16810 * config/convex/convex.c: Likewise.
16811 * config/fx80/fx80.c: Likewise.
16812 * config/i860/i860.c: Likewise.
16813 * config/m68k/m68k.c: Likewise.
16814 * config/m88k/m88k.c: Likewise.
16815 * config/mips/mips.c: Likewise.
16816 * config/pdp11/pdp11.c: Likewise.
16817 * config/pyr/pyr.c: Likewise.
16818 * config/romp/romp.c: Likewise.
16819 * config/sh/sh.c: Likewise.
16820 * config/tahoe/tahoe.c: Likewise.
16821 * config/vax/vax.c: Likewise.
16822 * config/we32k/we32k.c: Likewise.
16823 * config/sparc/sparc.c: Include "function.h".
16824 (mem_min_alignment): Test current_function rather than
16825 regno_pointer_align.
16826 * config/pa/pa.c: Likewise.
16827 (compute_frame_size): Delete declaration of
16828 current_function_outgoing_args_size.
16829 * config/arc/arc.h (current_function_varargs): Delete declaration.
16830 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
16832 * config/i370/i370.h (current_function_outgoing_args_size): Delete
16834 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
16835 current_function_uses_pic_offset_table.
16836 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
16837 of current_function_returns_pointer.
16838 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
16839 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
16840 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
16841 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
16842 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
16843 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
16844 * config/m88k/m88k.c: Include "function.h"
16845 (call_used_regs, current_function_pretend_args_size,
16846 current_function_outgoing_args_size, frame_pointer_needed): Delete
16848 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
16850 * config/mips/mips.h (current_function_calls_alloca): Delete
16852 * config/mn10200/mn10200.h (current_function_needs_context,
16853 rtx_equal_function_value_matters): Delete declarations.
16854 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
16855 flag_pic): Delete declarations.
16856 * config/pa/pa.h (current_function_pretend_args_size,
16857 current_function_decl): Delete declarations.
16858 * config/pa/som.h (current_function_varargs): Delete declaration.
16859 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
16861 * config/pyr/pyr.h (current_function_pretend_args_size,
16862 current_function_args_size, current_function_calls_alloca): Delete
16864 * config/sh/sh.h (current_function_varargs): Delete declaration.
16865 * config/sparc/sparc.h (current_function_outgoing_args_size,
16866 current_function_calls_alloca, current_function_decl): Delete
16868 * config/spur/spur.h (current_function_pretend_args_size,
16869 current_function_calls_alloca): Delete declarations.
16870 * config/v850/v850.c (current_function_outgoing_args_size): Delete
16872 * config/vax/vms.h (current_function_name): Delete declaration.
16873 * gcse.c: Include "function.h".
16874 (current_function_name, current_function_calls_setjmp): Delete
16876 * haifa-sched.c: Include "function.h".
16877 (forced_labels): Delete declaration.
16878 * jump.c: Likewise.
16879 * reg-stack.c: Likewise.
16880 * reload1.c: Likewise.
16881 * genemit.c (main): Make generated file include function.h.
16882 * genoutput.c (output_prologue): Likewise.
16884 * builtins.c (saveregs_value, apply_args_value): Delete variables.
16885 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
16886 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
16887 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
16888 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
16889 macros for some of them.
16890 (emit_filename, emit_lineno): Delete declarations.
16891 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
16892 regno_pointer_* variables through current_function.
16893 (gen_inline_header_rtx): Delete function.
16894 (save_emit_status): Delete function.
16895 (set_new_last_label_num): New function.
16896 (clear_emit_caches): New function.
16897 (restore_emit_status): Just clear last_labelnum and call
16899 (get_last_insn_anywhere): Variable sequence_stack is now accessed
16900 through macro seq_stack.
16901 (add_insn_after): Likewise.
16902 (add_insn_before): Likewise.
16903 (remove_insn): Likewise.
16904 (pop_topmost_sequence): Likewise.
16905 (in_sequence_p): Likewise.
16906 (start_sequence_for_rtl_expr): Likewise.
16907 (start_sequence): Likewise, and likewise for
16908 sequence_rtl_expr/seq_rtl_expr.
16909 (push_topmost_sequence): Likewise.
16910 (end_sequence): Likewise.
16911 (init_virtual_regs): Now takes a "struct emit_status *" argument.
16912 All callers changed. Store into that pointer instead of globals.
16913 (init_emit): Allocate emit elt of current_function.
16914 Changes for sequence_rtl_expr/sequence_stack renaming.
16915 Call clear_emit_caches instead of doing it in-line.
16916 Access regno_pointer_* variables through current_function.
16917 (init_emit_once) Don't clear sequence_stack.
16919 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
16921 (arg_pointer_save_area): Delete declaration.
16922 (finish_expr_for_function): Renamed from init_queue; no longer static.
16923 (init_expr): Don't call init_queue.
16924 (save_expr_status, restore_expr_status): Delete functions.
16925 (expand_expr): Changes to reflect new layout of struct function.
16926 Don't access current_function_check_memory_usage when current_function
16928 * expr.h (forced_labels, save_expr_regs, saveregs_value,
16929 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
16930 current_function_outgoing_args_size, current_function_arg_offset_rtx,
16931 current_function_uses_const_pool, function_call_count,
16932 current_function_uses_pic_offset_table, nonlocal_labels,
16933 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
16934 current_function_check_memory_usage, nonlocal_goto_handler_slots,
16935 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
16937 (finish_expr_for_function): Declare.
16938 * flags.h (current_function_has_nonlocal_label,
16939 current_function_has_nonlocal_goto, current_function_is_thunk,
16940 current_function_has_computed_jump): Delete declarations.
16941 * flow.c (forced_labels): Delete declaration.
16942 * function.c (current_function_pops_args,
16943 current_function_returns_struct, current_function_returns_pcc_struct,
16944 current_function_needs_context, current_function_calls_setjmp,
16945 current_function_calls_longjmp, current_function_has_nonlocal_label,
16946 current_function_has_nonlocal_goto, current_function_is_thunk,
16947 current_function_has_computed_jump, current_function_calls_alloca,
16948 current_function_contains_functions, current_function_returns_pointer,
16949 current_function_epilogue_delay_list, current_function_args_size,
16950 current_function_pretend_args_size, current_function_arg_offset_rtx,
16951 current_function_outgoing_args_size, current_function_varargs,
16952 current_function_stdarg, current_function_args_info, cleanup_label,
16953 current_function_name, current_function_uses_const_pool,
16954 current_function_instrument_entry_exit, current_function_return_rtx,
16955 current_function_uses_pic_offset_table, nonlocal_labels,
16956 current_function_internal_arg_pointer, current_function_cannot_inline,
16957 current_function_check_memory_usage, function_call_count,
16958 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
16959 nonlocal_goto_stack_level, return_label, save_expr_regs,
16960 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
16961 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
16962 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
16963 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
16964 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
16966 (push_function_context_to): Don't save them. Don't call
16967 save_storage_status, save_emit_status or save_expr_status.
16968 (pop_function_context_from): Don't restore them. Don't call
16969 restore_storage_status or restore_expr_status.
16970 (get_func_frame_size): New function.
16971 (get_frame_size): Use it.
16972 (assign_outer_stack_local): Reflect some member name changes in struct
16974 (put_reg_into_stack): Likewise.
16975 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
16977 (fixup_var_refs): Likewise.
16978 (fix_lexical_addr): Likewise.
16979 (trampoline_address): Likewise.
16980 (prepare_function_start): Clear field inlinable of current_function.
16981 (init_function_for_compilation): New function.
16982 (expand_dummy_function_end): New function.
16983 (expand_function_end): Call finish_expr_for_function.
16984 * function.h (struct emit_status): New; fields moved here from struct
16985 function and from global variables. Add accessor macros for some of
16987 (struct expr_status): Likewise.
16988 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
16989 (struct function): Add fields expr and emit, inlinable, inl_emit,
16990 original_arg_vector, original_decl_initial, inl_last_parm_insn,
16991 inl_max_label_num. Add many comments.
16992 Add accessor macros for all elts of struct function that no longer
16993 have a global variable.
16994 (cleanup_label, return_label, frame_offset, tail_recursion_label,
16995 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
16996 stack_slot_list): Delete declarations.
16997 (get_func_frame_size): Declare.
16998 (save_expr_status, restore_expr_status, save_emit_status,
16999 save_storage_status, restore_storage_status): Delete declarations.
17000 (init_virtual_regs): Declare.
17001 * output.h (current_function_pops_args,
17002 current_function_returns_struct, current_function_returns_pcc_struct,
17003 current_function_needs_context, current_function_calls_setjmp,
17004 current_function_calls_longjmp, current_function_calls_alloca,
17005 current_function_has_nonlocal_label, current_function_varargs,
17006 current_function_has_computed_jump, current_function_returns_pointer,
17007 current_function_contains_functions, current_function_args_size,
17008 current_function_pretend_args_size, current_function_stdarg,
17009 current_function_outgoing_args_size, current_function_args_info,
17010 current_function_name, current_function_return_rtx,
17011 current_function_epilogue_delay_list,
17012 current_function_uses_const_pool, current_function_cannot_inline):
17013 Delete declarations.
17014 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
17015 regno_reg_rtx): Delete declaration.
17016 (REGNO_POINTER_FLAG): Delete macro.
17017 * stmt.c (expand_goto): Changes to reflect that some fields in struct
17018 function were renamed.
17019 * stor-layout.c (save_storage_status, restore_storage_status): Delete
17021 * toplev.c: Include "function.h".
17022 (current_function_decl): Delete declaration.
17023 (compile_file): Call init_dummy_function_start and
17024 expand_dummy_function_end around some initializations that need to
17026 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
17027 Call init_function_for_compilation.
17028 * unroll.c: Include "function.h"
17029 (unroll_loop): Access regno_pointer_* variables through
17032 * tree.h (struct tree_decl): Add elt f to saved_insns member.
17033 (DECL_SAVED_INSNS): use it.
17034 (expand_dummy_function_end): Declare.
17035 (init_function_for_compilation): Declare.
17036 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
17037 that it's no longer an INLINE_HEADER.
17038 (expand_call): Likewise.
17039 * integrate.c (finish_inline): Delete function.
17040 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
17041 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
17042 args. Don't generate an INLINE_HEADER rtx, just return the arg
17043 vector. All callers changed.
17044 (save_for_inline_copying): Create a duplicate struct emit_status to
17045 hold the emit state for compiling the current function. Use this and
17046 the other new fields in struct function that are for integration
17047 instead of an INLINE_HEADER.
17048 Use memcpy instead of bcopy.
17049 Store the current struct function in DECL_SAVED_INSNS of fndecl.
17050 (save_for_inline_nocopy): Similar changes, except no new emit_status
17052 (expand_inline_function): Get information from function structure,
17053 not from an inline header rtx.
17054 (output_inline_function): Lose code to extract the necessary
17055 information from an inline header; simply put back the function
17056 structure into current_function. Clear its inlinable elt.
17057 * rtl.def (INLINE_HEADER): Delete.
17058 * rtl.h: Delete all accessors for an INLINE_HEADER.
17059 (gen_inline_header_rtx): Delete declaration.
17060 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
17061 Delete declarations.
17062 (REGNO_POINTER_ALIGN): Delete.
17063 (clear_emit_caches): Declare.
17064 (set_new_last_label_num): Declare.
17066 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
17068 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
17070 * except.c (expand_eh_region_start_for_decl): Always start a new block.
17071 * stmt.c (is_eh_region): Make sure current_function is present, too.
17073 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
17075 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
17076 for 64bit PA targets.
17078 * pa.h (SELECT_SECTION): Define.
17079 * som.h (SELECT_SECTION): Delete.
17081 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17083 * alias.c (init_alias_analysis): Wrap call to
17084 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
17086 1999-08-07 Bruce Korb <autogen@linuxbox.com>
17088 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
17089 <sys/asm.h> contains an asm comment with an apostrophe
17090 * fixinc/inclhack.sh: regen
17091 * fixinc/fixincl.x: regen
17093 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
17095 * function.c (init_function_start): Clear prologue & epilogue.
17096 (prologue_epilogue_contains): New function.
17097 * alias.c (init_alias_analysis): Use it.
17098 * rtl.h (prologue_epilogue_contains): Declare it.
17100 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
17102 * jump.c (onlyjump_p): New function.
17103 * rtl.h: Declare it.
17104 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
17105 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
17107 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
17109 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
17110 to invert loops. Simplify block scanning.
17112 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17114 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
17115 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
17117 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
17119 * config/sparc/liteelf.h: New file to support sparclite-elf target
17120 * config/sparc/t-sp86x: New file to support sparc86x targets
17121 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
17122 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
17123 * configure.in: Support above target triplets
17124 * configure: Regenerated
17126 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
17128 * fixinc/server.c (server_setup): Do not prefix function used as
17129 parameter with `&'.
17131 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
17133 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
17134 Remove fp reg alternatives.
17136 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
17138 * Makefile.in (TAROUTOPTS): Kill.
17139 (install-headers-tar): Use "xpf" for tar headerfile extraction
17140 * i370/x-oe (TAROUTOPTS): Delete.
17141 * m68k/x-apollo68 (TAROUTOPTS): Delete.
17142 * m68k/x-hp320 (TAROUTOPTS): Delete.
17143 * m68k/x-hp320g (TAROUTOPTS): Delete.
17144 * gcc.texi: Update bug reporting text.
17146 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
17148 * reg-stack.c (change_stack) Fixed problem with negative array index.
17150 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
17152 * extend.texi, install.texi: Fix spelling mistakes.
17154 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
17155 (s-attrtab); No longer try to use pre-made insn-attrtab file.
17156 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
17157 PREMADE_ATTRTAB_MD.
17158 * mips/t-ecoff: Likewise.
17159 * mips/t-elf: Likewise.
17160 * mips/t-mips: Likewise.
17161 * mips/t-osfrose: Likewise.
17162 * mips/t-r3900: Likewise.
17163 * mips/t-svr3: Likewise.
17164 * mips/t-svr4: Likewise.
17165 * mips/t-ultrix: Likewise.
17167 * gcc.texi: Document recommend means to provide software floating
17168 point libraries in libgcc.a
17170 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
17172 * c-lex.c (yylex): We can have a number with no digits.
17174 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
17176 * jump.c (delete_prior_computation): New function, broken
17177 out of delete_computation. Check for side effects with
17178 side_effects_p instead of FIND_REG_INC_NOTE. Handle
17179 multi-word hard registers.
17180 (delete_computation): Use it. Check for side effects with
17181 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
17182 missing REG_DEAD note for a register which is both set and
17185 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
17187 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
17188 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
17189 (ASM_FILE_START): Import _mcount with the right type.
17190 (ASM_DECLARE_FUNCTION_NAME): Define.
17191 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
17192 * pa.c (output_function_prologue): Always emit the function's label
17194 * pa.h (TEXT_SPACE_P): Define.
17195 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
17196 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
17197 * som.h (TEXT_SPACE_P): Delete.
17198 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
17199 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
17201 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
17203 * expr.c (emit_group_load): Allow src to be a CONCAT.
17205 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17207 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
17208 (___mulsi3): Use '!' comment character.
17210 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17212 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
17214 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
17216 * gcc.c: Update URLs and mail addresses.
17217 * gcc.texi: Likewise.
17219 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
17221 * rs6000.c (current_file_function_operand): Return zero for
17223 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
17225 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
17228 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
17230 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
17231 allocate space in the stack frame for the PIC register.
17233 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
17235 * m68k.md (xordi3, anddi3): These patterns are not available on
17238 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
17240 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
17241 (PUT_REAL): Likewise.
17243 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17245 * final.c (shorten_branches): Don't add an alignment for loops
17246 that have no label inside.
17248 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17250 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
17251 prototypes in macro HAVE_cmpstrsi.
17253 * cpplib.c (cpp_get_token): Remove unused label `op3'.
17255 * emit-rtl.c (operand_subword): Remove unused variable
17258 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
17260 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
17262 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
17264 * cpphash.c (macroexpand): Delete leading whitespace when arg
17265 is concatenated before.
17266 (unsafe_chars): Correct test for whether + and - can extend a
17269 * cppinit.c (cpp_start_read): Do dependencies for
17270 -include/-imacros files also.
17272 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
17273 tokenizing non-directive lines.
17274 (cpp_expand_to_buffer): Temporarily disable no-output mode.
17275 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
17278 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
17280 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
17282 * c-lex.c: Sync with C++ frontend.
17283 (linemode): New variable.
17284 (parse_float): imag, conversion_errno, and type are output only.
17285 (yylex): Adjust. Move initial '.' case into main switch.
17287 (handle_generic_pragma): Just deal with tokens.
17288 (readescape): Use ISXDIGIT and ISGRAPH.
17289 * c-parse.in: Add END_OF_LINE token.
17291 * c-lex.c (lang_init): Generalize.
17292 (nextchar): Remove. Replace uses with UNGETC.
17293 (skip_white_space): Handle linemode here. Optimize for cpplib.
17294 (skip_white_space_on_line): Remove.
17295 (extend_token_buffer_to): New fn.
17296 (extend_token_buffer): Use it.
17297 (read_line_number, check_newline): Just deal with tokens.
17298 (token_getch, token_put_back): New fns.
17299 (yylex): Use them. More cpplib optimizations. Simplify.
17301 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
17302 Jason Merrill <jason@yorick.cygnus.com>
17304 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
17305 (consume_string): Make this smart about USE_CPPLIB.
17306 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
17307 (yylex): Rewrite to be intelligent about USE_CPPLIB.
17308 Also, clean up cases where we redundantly set token_buffer[0].
17309 (read_line_number): New fn.
17310 (ignore_escape_flag): New variable.
17312 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
17314 * a29k/t-a29kbare: Fix some comments.
17315 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
17316 (FPBIT, DPBIT): Define.
17317 * a29k/t-vx29k: Likewise.
17318 * arc/t-arc: Likewise.
17319 * arm/t-arm-elf: Likewise.
17320 * arm/t-bare: Likewise.
17321 * arm/t-pe: Likewise.
17322 * arm/t-pe-thumb: Likewise.
17323 * arm/t-semi: Likewise.
17324 * arm/t-thumb: Likewise.
17325 * arm/t-thumb-elf: Likewise.
17326 * arm/t-thumb-linux: Likewise.
17327 * h8300/t-h8300: Likewise.
17328 * i960/t-i960: Likewise.
17329 * i960/t-vxworks960: Likewise.
17330 * m32r/t-m32r: Likewise.
17331 * mips/t-ecoff: Likewise.
17332 * mips/t-elf: Likewise.
17333 * mips/t-r3900: Likewise.
17334 * pa/t-pro: Likewise.
17335 * rs6000/t-aix43: Likewise.
17336 * rs6000/t-beos: Likewise.
17337 * rs6000/t-newas: Likewise.
17338 * rs6000/t-ppccomm: Likewise.
17339 * rs6000/t-rs6000: Likewise.
17340 * rs6000/t-winnt: Likewise.
17341 * rs6000/t-xnewas: Likewise.
17342 * rs6000/t-xrs6000: Likewise.
17343 * sh/t-sh: Likewise.
17344 * sparc/t-elf: Likewise.
17345 * sparc/t-sparcbare: Likewise.
17346 * sparc/t-sparclite: Likewise.
17347 * sparc/t-splet: Likewise.
17348 * v850/t-v850: Likewise.
17349 * mn10200/t-mn10200: Fix comments.
17350 * mn10300/t-mn10300: Likewise.
17352 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
17353 dummy operand. Allocate a new pseudo for the dummy operand.
17354 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
17356 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
17358 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
17360 * configure: Rebuilt.
17361 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
17363 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
17365 * recog.c (preproces_constraints): Zero recog_op_alt before
17366 processing the constraints.
17368 * arm.c (typedef minipool_node): Renamed from pool_node.
17369 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
17370 (add_minipool_constant): New function.
17371 (dump_minipool): New function.
17372 (find_barrier): Remove special case for getting the insn size of
17373 an insn that references the constant pool.
17374 (minipool_fixup): New structure.
17375 (push_minipool_barrier): New function.
17376 (push_minipool_fix): New function.
17377 (note_invalid_constants): New function.
17378 (add_pool_constant, dump_table, fixit, broken_move): Delete.
17379 (arm_reorg): Rewrite code to fix up the constant pool into a
17380 series of mini-pools embedded in the insn stream.
17381 (arm_output_epilogue): New function, made mainly from the body
17382 of output_func_epilogue.
17383 (output_func_epilogue): Move insn generation part of epilogue code
17384 to arm_output_epilogue.
17385 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
17386 * arm.md (pool_range): New attribute.
17387 (zero_extendqidi2): Add attribute pool_range.
17388 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
17389 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
17390 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
17391 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
17392 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
17393 (epilogue): New expand.
17394 (epilogue_insn): New insn. Call arm_output_epilogue.
17396 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
17397 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
17399 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
17401 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
17403 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
17405 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
17407 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
17409 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
17411 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
17413 * global.c: Fix comment.
17415 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
17417 * gcc.c (access_check): New static function.
17418 (find_a_file): Use it when searching a directory list.
17419 * collect2.c (find_a_file): Don't accept directories found when
17420 searching a directory list.
17422 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
17424 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
17425 function parameters with `&'.
17426 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
17428 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
17430 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
17431 or tidy_fallthru_edge if the last insn in the block is not
17432 an unconditional jump or a simple conditional jump.
17434 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17436 * Makefile.in (c-decl.o): Depends on defaults.h.
17438 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
17440 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
17442 (CLASS_MAX_NREGS): Likewise.
17444 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
17446 * cse.c (cse_insn): Fix dumb thinko in last change.
17448 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17450 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
17453 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
17455 * dwarf2out.c (add_location_or_const_value_attribute): Correct
17456 test for sizes of passed and declared parameter types.
17458 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17460 * fixincludes: Fix the return type of bsearch, char* -> void*.
17462 * fixinc/inclhack.def: Likewise.
17464 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
17466 * invoke.texi (-fdump-translation-unit): New option.
17468 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
17470 * expr.h (PROMOTE_PROTOTYPES): Move ...
17471 * defaults.h: ... to here.
17472 * c-decl.c: Include defaults.h instead of expr.h.
17473 * c-typeck.c: Include defaults.h.
17475 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
17477 * toplev.h (errorcount): Declare.
17478 (warningcount): Likewise.
17479 (sorrycount): Likewise.
17480 * c-lex.c (errorcount): Don't declare.
17481 * dwarf2out.c (errorcount): Don't declare.
17483 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
17485 * config/libgloss.h: Add a note discouraging use with ELF.
17486 * configure.in: Don't use libgloss.h for ELF targets.
17487 Always use_collect2 on a.out targets.
17489 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
17491 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
17492 (force_to_mode, case ASHIFTRT): Add shiftrt label.
17494 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17496 * loop.c (strength_reduce): When doing biv->giv conversion, update
17497 reg note of NEXT->insn.
17499 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
17501 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
17503 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
17505 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
17506 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
17507 Ensure expr.h is included.
17508 * c-typecheck.c (convert_arguments): Ditto.
17510 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
17512 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
17513 * config/convex/convex.h: Ditto.
17514 * config/dsp16xx/dsp16xx.h: Ditto.
17515 * config/fx80/fx80.h: Ditto.
17516 * config/gmicro/gmicro.h: Ditto.
17517 * config/i370/i370.h: Ditto.
17518 * config/i386/i386.h: Ditto.
17519 * config/m32r/m32r.h: Ditto.
17520 * config/m68k/m68k.h: Ditto.
17521 * config/m88k/m88k.h: Ditto.
17522 * config/mips/mips.h: Ditto.
17523 * config/pa/pa.h: Ditto.
17524 * config/pyr/pyr.h: Ditto.
17525 * config/tahoe/tahoe.h: Ditto.
17526 * config/we32k/we32k.h: Ditto.
17528 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
17529 based on arch size.
17531 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
17533 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
17536 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
17538 1999-08-02 Richard Henderson <rth@cygnus.com>
17540 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
17541 for the register spill block.
17542 (m32r_va_arg): New.
17543 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
17544 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
17546 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
17547 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
17548 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
17550 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
17552 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
17553 MAX_WCHAR_TYPE defined in sparc.h.
17554 * config/sparc/linuxaout.h: Likewise.
17555 * config/sparc/linux64.h: Likewise.
17556 Also default to -mvis if CPU is UltraSPARC.
17558 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
17560 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
17561 (RTX_OK_FOR_OLO10): Likewise.
17562 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
17563 %lo(), allow it in addresses...
17564 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
17565 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
17566 does not make sense.
17567 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
17568 (sparc_output_scratch_registers): New function.
17569 (output_function_prologue, sparc_flat_output_function_prologue): Use
17571 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
17573 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
17574 * configure.in: Add check for .register pseudo-op support in as and
17575 check for offsetable %lo().
17576 * acconfig.h: Add templates for the above checks.
17577 * configure: Regenerate.
17579 1999-08-02 Richard Henderson <rth@cygnus.com>
17581 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
17582 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
17583 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
17585 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17587 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
17590 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
17592 * config/float-sparc.h: New file.
17593 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
17594 sparc-*-linux-gnu and sparc64-*-linux*.
17596 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17598 * rs6000.c (rs6000_va_list): Type is an array.
17599 (rs6000_va_start): Don't doubly adjust for varargs.
17600 (rs6000_va_arg): Evaluate long long GPR adjustment.
17602 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
17604 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
17605 -maix64 and -maix32.
17606 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
17607 LINK_SPEC): Change appropriately.
17608 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
17609 (u_short_cint_operand): Likewise.
17610 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
17612 * rs6000/t-aix43 (MULTILIB): Change to -m64.
17614 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
17616 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
17618 * rs6000/rs6000.c (num_insns_constant_wide): Correct
17619 for type promotion.
17620 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
17621 (non_add_cint_operand): Likewise.
17622 (logical_operand): Likewise.
17623 (non_logical_cint_operand): Likewise.
17624 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
17625 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
17626 (rs6000_select_rtx_section): Suppress warning.
17627 (small_data_operand): Suppress warning.
17628 (rs6000_got_register): Suppress warning.
17629 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
17630 type, so `J' is generally the wrong constraint for a SImode value;
17632 (andsi3_internal2): Likewise.
17633 (andsi3_internal3): Likewise.
17634 (iorsi3_internal1): Likewise.
17635 (xorsi3_internal1): Likewise.
17637 (movsf_softfloat): Likewise.
17638 (scc insns): Likewise.
17639 (movsi+2): Preserve sign bits of SImode constant.
17640 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
17641 (movdf+1): Sign-extend properly.
17642 (movdi_32+1): Sign-extend properly.
17643 (scc insns): Sign-extend properly.
17645 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
17648 1999-08-02 Richard Henderson <rth@cygnus.com>
17650 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
17651 -mcpu parsing code.
17652 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
17653 * alpha.md (all fp insns): Likewise.
17655 1999-08-02 Nick Clifton <nickc@cygnus.com>
17657 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
17660 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
17662 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
17663 pic_load_label generator directly.
17664 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
17665 No longer a named pattern.
17667 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
17669 * explow.c (force_reg): Call force_operand if X does not
17670 satisfy general_operand.
17672 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
17674 * fix-header.c (main): When testing for CONTINUED, use string
17675 equality, not pointer equality.
17677 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
17679 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
17681 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
17683 * cse.c (cse_insn): Fix loop which deletes insns after a jump
17684 that has become an unconditional jump.
17686 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
17687 (output_function_epilogue): Similarly.
17689 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17691 * tree.h (init_dummy_function_start): Declare.
17693 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17695 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
17696 last_expr_type, last_expr_value, block_start_count, block_stack,
17697 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
17698 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
17699 dynamically in stmt elt of struct function for each function.
17700 (struct nesting): Rename function_call_count elt to n_function_calls,
17701 target_temp_slot_level to block_target_temp_slot_level. All users
17703 (struct stmt_status): New structure definition.
17704 Add many accessor macros for stmt_status elements which previously
17705 were global variables.
17706 (init_stmt_for_function): Allocate stmt elt for current_function.
17707 Reflect that block_start_count was renamed to
17708 current_block_start_count.
17709 (save_stmt_status, restore_stmt_status): Delete functions.
17710 (preserve_subexpressions_p): Don't access loop_stack when outside
17712 (expand_start_bindings): Reflect that block_start_count was renamed to
17713 current_block_start_count.
17714 (expand_fixup): Likewise.
17715 (expand_decl): Don't access block_stack when outside a function.
17716 (expand_decl_cleanup): Likewise.
17717 (expand_dcc_cleanup): Likewise.
17718 (expand_dhc_cleanup): Likewise.
17719 (expand_anon_union_decl): Likewise.
17720 (set_file_and_line_for_stmt): New function.
17721 (in_control_zone_p): New function.
17723 * function.h (struct function): Add new elt stmt.
17724 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
17725 case_stack, nesting_stack, nesting_depth, block_start_count,
17726 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
17727 emit_lineno, goto_fixup_chain.
17728 (save_eh_status, restore_eh_status, save_stmt_status,
17729 restore_stmt_status): Delete declarations.
17730 * function.c (push_function_context_to): Don't call save_stmt_status.
17731 (pop_function_context_to): Don't call restore_stmt_status.
17732 * tree.h (in_control_zone_p): Declare.
17733 * rtl.h (set_file_and_line_for_stmt): Declare.
17735 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
17736 call set_file_and_line_for_stmt.
17738 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
17740 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
17741 Also update copyright.
17743 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17745 * c-pragma.c: Don't include "except.h".
17746 * emit-rtl.c: Likewise.
17747 * stor-layout.c: Likewise.
17748 * tree.c: Likewise.
17749 * varasm.c: Likewise.
17751 * flow.c: Include "function.h".
17752 * tree.h (init_dummy_function_start): Declare new function.
17754 * except.h (struct eh_status): New structure.
17755 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
17757 (eh_return_stub_label, ehstack, catchstack, ehqueue,
17758 catch_clauses, false_label_stack, caught_return_label_stack,
17759 protect_list, current_function_ehc): Add accessor macros for the
17760 corresponding fields in current_function->eh; delete declarations
17761 for all items that used to be declared here.
17762 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
17763 catch_clauses, false_label_stack, caught_return_label_stack,
17764 protect_list, current_function_ehc): Delete variables.
17765 (init_eh_for_function): Allocate current_function->eh.
17766 (save_eh_status, restore_eh_status): Delete functions.
17768 * function.h (struct function): Add fields next_global and eh.
17769 Delete all exception handling related fields.
17770 * function.c (current_function): New variable.
17771 (all_functions): New variable.
17772 (push_function_context_to): Don't allocate a struct function,
17773 use current_function instead. Call init_dummy_function_start when
17774 outside a function. Clear current_function before returning.
17775 (pop_function_context_from): Restore current_function.
17776 Don't free the restored struct function.
17777 (prepare_function_start): New function.
17778 (init_dummy_function_start): New function.
17779 (init_function_start): Break out some code into prepare_function_start
17782 * stmt.c (save_stmt_status): Don't call save_eh_status.
17783 (restore_stmt_status): Don't call restore_eh_status.
17785 * Makefile.in: Update dependencies.
17787 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
17789 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
17790 of depending on a magic constant value. Update comments.
17791 (hppa_expand_prologue): Similarly.
17793 * pa.md (reload_indi, reload_outdi): Allow any register for the
17794 original reload register.
17796 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
17798 * cccp.c (print_help): Change marcos to macros.
17800 1999-07-30 Richard Henderson <rth@cygnus.com>
17802 * c-typeck.c (initializer_constant_valid_p): Move ...
17803 * c-common.c (initializer_constant_valid_p): ... here. Use
17804 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
17805 of label addresses.
17806 * c-common.h (initializer_constant_valid_p): Declare.
17807 * c-tree.h (initializer_constant_valid_p): Remove.
17809 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
17811 * config/i386/sol2-c1.asm: Align the stack.
17812 * config/i386/sol2-gc1.asm: Likewise.
17814 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
17816 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
17817 -Asparclite for sparc86x.
17818 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
17820 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
17822 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
17824 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
17825 the user if using the non-default arch size in BI_ARCH configuration.
17826 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
17828 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
17829 Fix patterns so that they actually match.
17830 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
17831 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
17832 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
17834 (mulsidi3): Reflect this in the expand.
17835 (smulsi3_highpart): Only on TARGET_ARCH32.
17836 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
17837 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
17838 (umulsidi3): Reflect this in the expand.
17839 (umulsi3_highpart): Only on TARGET_ARCH32.
17840 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
17841 don't require g0 to be zero.
17842 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
17843 ({,u}divsi3): New expands.
17844 ({,u}divsi3_sp64): New patterns.
17845 (after lshrdi3_v8plus): Four new patterns to help combiner
17846 optimizing nested mixed mode shifts.
17848 * config/sparc/sparc.c (sparc_override_options): Use deprecated
17849 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
17850 speed things up. Don't use them by default on plain v9 in 64bit
17851 mode, according to what SPAMv9 sais.
17853 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
17854 top 32 bits of %[og][0-7] in signal handlers.
17855 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
17857 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
17859 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
17860 (ashlsi3): Corresponding changes.
17862 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
17864 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
17866 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
17868 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17870 * arm.h (Hint): Delete macro.
17871 Substitute HOST_WIDE_INT for Hint in some prototypes.
17872 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
17874 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
17876 * builtins.c (expand_builtin_setjmp): Use force_operand to
17877 make sure that the buffer address is in a suitable form to be
17878 passed to force_reg.
17880 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
17882 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
17885 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
17887 * pa.md (indirect_jump): Remove mode from match_operand. Verify
17888 proper mode in the condition string.
17889 (icacheflush, dcacheflush): Remove modes from match_operands.
17891 * pa.c (emit_move_sequence): Always convert scratch_reg to the
17892 proper mode before using it.
17894 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
17897 * pa.c (store_reg): Do not call add_high_const generator directly.
17898 (load_reg, set_reg_plus_d): Likewise.
17899 * pa.md (add_high_const): No longer a named pattern.
17901 * pa.c (legitimize_address): Consistently use Pmode rather than
17902 SImode. Do not call gen_pic2_highpart directly anymore.
17903 * pa.md (pic2_highpart): No longer a named pattern.
17904 (pic2_lo_sum): Similarly. Reformat to make more readable.
17906 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
17911 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17913 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
17915 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
17917 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
17918 and tag the spill mems.
17919 (hppa_va_start): New.
17920 (hppa_va_arg): New.
17921 * pa.h (EXPAND_BUILTIN_VA_START): New.
17922 (EXPAND_BUILTIN_VA_ARG): New.
17924 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
17926 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
17927 and tag the spill mems.
17928 (mn10300_va_start): New.
17929 (mn10300_va_arg): New.
17930 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
17931 (EXPAND_BUILTIN_VA_ARG): New.
17933 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
17935 * mn10200.c (mn10200_va_arg): New.
17936 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
17938 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
17940 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
17941 rather than play with TREE_INT_CST_LOW.
17943 1999-07-27 Philip Blundell <pb@nexus.co.uk>
17945 * config/arm/telf.h: Include dbxelf.h.
17946 (CPP_PREDEFINES): Only define if not already defined.
17947 (ASM_IDENTIFY_GCC): Likewise.
17948 (SUBTARGET_EXTRA_SECTIONS): Likewise.
17949 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
17950 * config/arm/thumb.h (LINK_SPEC): Only define if not already
17952 (DBX_DEBUGGING_INFO): Don't define.
17953 * config/arm/linux-telf.h: New file.
17954 * config/arm/linux-tgas.h: New file.
17955 * config/arm/t-thumb-linux: New file.
17956 * config/arm/uclinux-elf.h: New file.
17957 * config/arm/uclinux-telf.h: New file.
17958 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
17959 thumb-*-uclinux): New targets.
17960 * configure: Regenerate.
17962 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
17964 * pa.md (post_store, pre_load): New expanders.
17965 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
17966 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
17967 need to directly generate RTL for them.
17968 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
17971 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
17973 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
17974 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
17975 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
17976 (secndary_reload_class): Make TARGET_ELF conditional compile.
17977 (print_operand_address): Similar.
17978 (output_toc): Print all values as hex.
17979 (get_issue_rate): Rearrange and add RS64A and PPC630.
17980 * rs6000.h (processor_type): Add RS64A and PPC630.
17981 (PROCESSOR_POWERPC64): New.
17982 (PROMOTE_MODE): Use word_mode.
17983 (RTX_COSTS): Add RS64A and PPC630.
17984 * rs6000.md (scheduling information): Add lmul and ldiv
17985 representing 64-bit integer multiply and divide. Add rs64a and
17986 PPC630 information.
17987 (ashldi3): Add support for "rldic" instruction.
17988 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
17990 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
17992 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
17993 instead of V8 for sparclite86x in cpu_table.
17995 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17997 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
17998 output_file_directive.
18000 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
18002 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
18003 tree for op1, not the rtl.
18005 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
18007 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
18008 to m88k_va_start, leaving only the register spill.
18009 (m88k_build_va_list): New.
18010 (m88k_va_start): New.
18011 (m88k_va_arg): New.
18012 * m88k.h (BUILD_VA_LIST_TYPE): New.
18013 (EXPAND_BUILTIN_VA_START): New.
18014 (EXPAND_BUILTIN_VA_ARG): New.
18016 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
18018 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
18019 Rename from expand_builtin_saveregs.
18020 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
18022 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
18024 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
18025 for the register spill block.
18026 (i960_build_va_list): New.
18027 (i960_va_start): New.
18028 (i960_va_arg): New.
18029 * i960.h (BUILD_VA_LIST_TYPE): New.
18030 (EXPAND_BUILTIN_VA_START): New.
18031 (EXPAND_BUILTIN_VA_ARG): New.
18032 * i960.md (store_multiple): Use change_address on individul mems.
18034 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
18036 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
18038 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
18039 (expand_builtin_va_end): Evaluate arg for side effects.
18040 * c-common.c (c_common_nodes_and_builtins): Construct a
18041 va_list_arg_type_node to handle array decomposition to pointer.
18043 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
18045 * except.c (start_dynamic_cleanup): Use force_operand on the
18048 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
18050 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
18051 * c4x.c (c4x_va_arg): New.
18053 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
18055 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
18056 has manual_pop set.
18058 1999-07-26 Nathan Sidwell <nathan@acm.org>
18060 * eh-common.h (__eh_matcher): Prototype correctly.
18062 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
18064 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
18065 (TARGET_SINGLE_PIC_BASE): Likewise.
18066 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
18068 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
18069 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
18070 (TARGET_OPTIONS): Add -mpic-register=N.
18071 (OUTPUT_INT_ADDR_CONST): New macro.
18072 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
18073 LEGITIMATE_PIC_OPERAND_P): Likewise.
18074 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
18075 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
18076 output_addr_const directly.
18077 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
18079 (thumb_pic_register, thumb_pic_register_string): Declare.
18081 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
18083 (label_mentioned_p): New function: Imported from arm.c.
18084 (legitimize_pic_address): New function: Imported from arm.c.
18085 (is_pic):New function: Imported from arm.c.
18086 (thumb_finalize_pic):New function: Imported from arm.c.
18087 (add_constant): Cope with PIC constants.
18088 (fixit): Cope with PIC constants.
18089 (output_return): Do not treat the PIC register as live if
18090 TARGET_SINGLE_PIC_BASE is true.
18091 (thumb_function_prologue): Do not treat the PIC register as live if
18092 TARGET_SINGLE_PIC_BASE is true.
18093 (thumb_expand_prologue): Do not treat the PIC register as live if
18094 TARGET_SINGLE_PIC_BASE is true.
18095 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
18096 TARGET_SINGLE_PIC_BASE is true.
18097 (thumb_print_operand): Accept '|'.
18098 (thumb_override_options): Process PIC options.
18100 * config/arm/thumb.md (movsi): Support PIC.
18101 (call_insn): Change "i" constraint to "X".
18102 (call_value_insn): Likewise.
18103 (consttable_4, consttable_8, consttable_end): Set and clear
18104 "making_const_table" as appropriate.
18105 (pic_load_addr, pic_add_dot_plus_four): New insns.
18107 * invoke.texi (Thumb Options): Fix spelling. Document new
18108 options -msingle-pic-base and -mpic-register=.
18110 1999-07-26 Andrew Haley <aph@cygnus.com>
18112 * config/m32r/initfini.c (__init): Use a full word immediate for
18113 __fini: this allows it to be placed in any memory region.
18115 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
18116 -mmodel=medium. This is OK for all memory models.
18118 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
18120 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
18121 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
18123 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
18125 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
18128 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
18130 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
18132 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
18133 (BUILD_VA_LIST_TYPE): New.
18134 (EXPAND_BUILTIN_VA_START): New.
18135 (EXPAND_BUILTIN_VA_ARG): New.
18136 * i860.c (output_delayed_branch): Disable.
18137 (output_delay_insn): Likewise.
18138 (i860_saveregs): New.
18139 (i860_build_va_list): New.
18140 (i860_va_start): New.
18141 (i860_va_arg): New.
18142 * i860.md: Disable all peepholes using output_delayed_branch.
18143 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
18145 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
18147 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
18148 (BUILD_VA_LIST_TYPE): New.
18149 (EXPAND_BUILTIN_VA_START): New.
18150 (EXPAND_BUILTIN_VA_ARG): New.
18151 * clipper.c (clipper_builtin_saveregs): Only dump registers.
18152 Return the address of the save area.
18153 (clipper_build_va_list): New.
18154 (clipper_va_start): New.
18155 (clipper_va_arg): New.
18157 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
18159 * arc.h (EXPAND_BUILTIN_VA_START): New.
18160 (EXPAND_BUILTIN_VA_ARG): New.
18161 * arc.c (arc_setup_incoming_varargs): Set alias set of
18163 (arc_va_start): New.
18166 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
18168 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
18169 (BUILD_VA_LIST_TYPE): New.
18170 (EXPAND_BUILTIN_VA_START): New.
18171 (EXPAND_BUILTIN_VA_ARG): New.
18172 * alpha.c (alpha_builtin_saveregs): Delete.
18173 (alpha_build_va_list): New.
18174 (alpha_va_start): New.
18175 (alpha_va_arg): New.
18177 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
18179 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
18181 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
18182 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
18184 * gcc.texi: More changes related to list conversion.
18185 * invoke.texi: Likewise.
18187 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
18189 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
18190 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
18191 (expand_builtin_next_arg): Accept ARGLIST not EXP.
18192 (stabilize_va_list): New function.
18193 (std_expand_builtin_va_start): New function.
18194 (expand_builtin_va_start): New function.
18195 (get_varargs_alias_set): New function.
18196 (std_expand_builtin_va_arg): New function.
18197 (expand_builtin_va_arg): New function.
18198 (expand_builtin_va_end): New function.
18199 (expand_builtin_va_copy): New function.
18200 (expand_builtin): Call them.
18201 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
18202 __builtin_{varargs_start,stdarg_start,end,copy}.
18203 (build_va_arg): New function.
18204 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
18205 (build_va_arg): Declare.
18206 * c-decl.c (ptr_type_node, va_list_type_node): New.
18207 * c-parse.gperf (__builtin_va_arg): New.
18208 * c-parse.in (VA_ARG): New token.
18209 (unary_expr): Recognize it.
18210 * expr.c (expand_expr): Expand VA_ARG_EXPR.
18211 * expr.h (std_expand_builtin_va_start): Declare.
18212 (std_expand_builtin_va_arg): Declare.
18213 (expand_builtin_va_arg): Declare.
18214 (get_varargs_alias_set): Declare.
18215 * tree.def (VA_ARG_EXPR): New.
18216 * tree.h (BUILT_IN_VARARGS_START): New.
18217 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
18218 (ptr_type_node, va_list_type_node): Declare.
18219 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
18220 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
18221 * m88k.h, m88k.c: Likewise.
18222 * mn10300.h, mn10300.c: Likewise.
18223 * pa.h, pa.c: Likewise.
18224 * rs6000.h, rs6000.c: Likewise.
18225 * sh.h, sh.c: Likewise.
18226 * sparc.h, sparc.c: Likewise.
18228 * emit-rtl.c (operand_subword): Copy alias set.
18229 (change_address): Likewise.
18231 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
18233 * pa.c (compute_frame_size): Scan all the used callee saved registers,
18234 not just the first one.
18236 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
18238 * config/arm/arm.h (TARGET_SWITCHES): Add
18239 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
18240 (TARGET_OPTIONS): Add -mpic-register=.
18241 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
18242 (arm_pic_register_string): Declare.
18243 (NEED_PLT_GOT): Delete, replace with ...
18244 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
18245 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
18246 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
18247 * config/arm/arm.c (arm_override_options): Add new option
18249 (arm_pic_register_string): New variable.
18250 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
18251 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
18252 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
18253 (output_return_instruction): Likewise.
18254 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
18255 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
18256 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
18258 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
18259 mention of -msched-prolog. Document new options -msingle-pic-base
18260 and -mpic-register=.
18262 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
18264 * haifa-sched.c (reemit_notes): Tidy.
18265 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
18268 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
18270 * explow.c (trunc_int_for_mode): New function.
18271 (plus_constant_wide): Use it.
18272 * combine.c (simplify_and_const_int): Likewise.
18273 (merge_outer_ops): Likewise.
18274 (simplify_shift_const): Likewise.
18275 * cse.c (simplify_unary_operation): Likewise.
18276 (simplify_binary_operation): Likewise.
18277 * emit-rtl.c (operand_subword): Likewise.
18278 * rtl.h: Declare it.
18280 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18282 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
18283 (use NUM_REGS instead of NUM_INTS).
18285 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18287 * builtins.c: New file.
18288 * expr.c (saveregs_value, apply_args_value): Delete definition,
18289 moved into builtins.c.
18290 (string_constant): No longer static.
18291 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
18292 apply_args_size, apply_result_size, result_vector,
18293 expand_builtin_apply_args, expand_builtin_apply,
18294 expand_builtin_return): Delete functions, moved into builtins.c.
18295 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
18296 * expr.h (saveregs_value, apply_args_value): Declare variables.
18297 (expand_builtin, string_constant): Declare functions.
18298 * Makefile.in: Update to build builtin.o.
18300 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
18302 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
18303 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
18304 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
18305 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
18307 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
18310 1999-07-21 Michael Meissner <meissner@cygnus.com>
18312 * print-rtl.c (print_rtx): Print the names of the virtual
18315 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
18317 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
18318 introduced in previous delta.
18320 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18322 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
18323 to avoid name clash.
18325 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
18327 * c-lex.c (yylex) : Correct the test for overflow when lexing
18330 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
18332 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
18333 (adjust_priority): Always call ADJUST_PRIORITY.
18334 (schedule_insn): Only put insns into the ready at cost 0.
18335 (schedule_block): Remove redundant initial sort. Give clock_var
18336 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
18338 * tm.texi (MD_SCHED_REORDER): Update docs.
18340 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
18341 * sparc.c (ultra_reorder_called_this_block): Delete.
18342 (ultrasparc_sched_init): Don't set it.
18343 (ultrasparc_sched_reorder): Don't check it.
18345 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
18347 * rs6000.h (struct rs6000_args): Add sysv_gregno.
18348 * rs6000.c (init_cumulative_args): Init sysv_gregno.
18349 (function_arg_boundary): Align DFmode.
18350 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
18351 to get fp reg and stack overflow correct.
18352 (function_arg): Likewise.
18353 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
18354 (setup_incoming_varargs): Restructure for ABI_V4; use
18355 function_arg_advance to skip final named argument.
18356 (expand_builtin_saveregs): Properly unskip the last integer arg
18357 when doing varargs. Adjust overflow location calculation.
18359 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
18360 explicitly unsigned.
18361 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
18362 (__VA_GP_REGSAVE): Similarly.
18363 (__va_longlong_p): Delete.
18364 (__va_arg_type_violation): New declaration.
18365 (va_arg): Restructure. Flag promotion errors. Align double.
18366 TFmode passed by reference.
18368 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
18369 in the HOST_BITS_PER_WIDE_INT > 32 case.
18371 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
18373 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
18375 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
18377 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
18378 * toplev.c (documented_lang_options): Add -fpreprocessed.
18379 * cpplib.h (struct cpp_buffer): Add preprocessed.
18380 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
18381 (cpp_start_read): Don't expand macros or emit an initial #line
18382 directive if -fpreprocessed.
18384 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
18386 * cpplib.h (struct cpp_buffer): Added manual_pop for
18387 better C++ tokenization.
18388 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
18389 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
18390 * c-common.c (cpp_token): Make non-static.
18392 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18394 * c-common.h: New file.
18395 * c-common.c (permanent_obstack): Delete unused declaration.
18396 (c_global_trees): New array.
18397 (c_common_nodes_and_builtins): New function; split off common code
18398 from init_decl_processing in both c-decl.c and cp/decl.c.
18399 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
18400 c_global_trees and accessor macros defined in c-common.h.
18401 Include c-common.h.
18402 * c-decl.c: Delete definitions for tree nodes that were replaced by
18404 (init_decl_processing): Build void_list_node.
18405 Call c_common_nodes_and_builtins; delete code to generate the common
18407 * objc/objc-act.c (build_module_descriptor): Rename variable
18408 void_list_node to avoid clash with c-common.h.
18410 * Makefile.in: Update dependencies.
18411 * objc/Make-lang.in: Likewise.
18413 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
18415 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
18416 (UNIQUE_SECTION_P): Likewise.
18417 (UNIQUE_SECTION): Likewise.
18419 1999-07-19 Linas Vepstas <linas@linas.org>
18421 * config/i370/README: New file.
18422 * config/i370/linux.h: New file.
18423 * config/i370/mvs.h: New file.
18424 * config/i370/oe.h: New file.
18425 * config/i370/t-linux: New file.
18426 * config/i370/t-mvs: New file.
18427 * config/i370/t-oe: New file.
18428 * config/i370/x-oe: New file.
18429 * config/i370/xm-linux.h: New file.
18430 * config/i370/xm-mvs.h: New file.
18431 * config/i370/xm-oe.h: New file.
18433 * i370.c (label_node_t): Add first_ref_page, label_addr,
18434 label_first_ref, label_last_ref members.
18435 (mvs_need_base_reload): Renamed from mvs_label_emitted.
18436 (MAX_MVS_LABEL_SIZE): Define.
18437 (MAX_LONG_LABEL_SIZE): Define.
18438 (alias_node_t, alias_anchor, alias_number): New.
18439 (mvs_function_table): Reorder for EBCDIC.
18440 (ascebc, ebcasc): Unconditionally define.
18441 (i370_branch_dest, i370_branch_length): New functions.
18442 (i370_short_branch, i370_label_scan): New functions.
18443 (mvs_get_label): Renamed from mvs_add_label. Search for
18444 an existing label before creating a new one.
18445 (mvs_add_label): New function.
18446 (mvs_get_label_page): New function.
18447 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
18448 over the entire list.
18449 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
18450 (mvs_check_page) [TARGET_ELF_ABI]: New function.
18451 (mvs_add_alias, mvs_need_alias): New functions.
18452 (mvs_get_alias, mvs_check_alias): New functions.
18453 (handle_pragma): New function.
18454 (mvs_function_check): New function.
18455 (unsigned_jump_follows_p): Search harder.
18456 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
18457 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
18458 * i370.h (TARGET_VERSION): Delete.
18459 (CPP_SPEC, CPP_PREDEFINES): Delete.
18460 (mvs_label_emitted): Delete.
18461 (TARGET_EBCDIC): Delete.
18462 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
18463 (HANDLE_PRAGMA): Define.
18464 (HARD_REGNO_NREGS): Handle complex modes.
18465 (HARD_REGNO_MODE_OK): Likewise.
18466 (CLASS_MAX_NREGS): Likewise.
18467 (RET_REG): Likewise.
18468 (EXTRA_CONSTRAINT): Define.
18469 (RETURN_IN_MEMORY): True for DImode.
18470 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
18471 (FUNCTION_PROFILER): Delete.
18472 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
18473 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
18474 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
18475 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
18476 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
18477 (ASM_FILE_START): Add "RMODE ANY".
18478 (ASM_OUTPUT_EXTERNAL): Check for aliases.
18479 (ASM_GLOBALIZE_LABEL): Likewise.
18480 (ASM_OUTPUT_LABELREF): Likewise.
18481 (ASM_OUTPUT_COMMON): Likewise.
18482 (PRINT_OPERAND): Handle 'K', 'W', default.
18483 (PRINT_OPERAND_ADDRESS): New.
18484 (Lots of defines): Add support for TARGET_ELF_ABI.
18485 * i370.md (attr length): New. Define for all patterns.
18486 (*): Lots of tweeks to assembly output and constraints.
18488 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
18490 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
18491 Disable patterns performing SImode comparisons with SImode values
18492 if TARGET_POWERPC64 and instruction does not sign-extend or does
18493 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
18494 differ for signed quantities.
18495 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
18496 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
18497 (decrement_and_branch_on_count): Add 64-bit variant.
18499 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18501 * final.c (output_asm_insn): When searching for the matching string
18502 for a given dialect, don't run past the end of the list of
18503 alternatives if there are fewer alternatives in the template than
18506 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
18508 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
18509 Removed paragraph about compression of files and size limitation,
18510 duplicated in the FAQ. Use gcc-patches for posting patches.
18511 * gcc.c (main): Updated URL with bug reporting instructions to
18512 gcc.gnu.org. Removed e-mail address.
18513 * system.h (abort): Likewise.
18515 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18517 * Makefile.in (stmp-multilib-sub): Make the files extracted
18518 from $(LIBGCC1) writable.
18520 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
18522 * config/arm/aout.h: Reformat for improved readability.
18524 * config/arm/arm.h: Reformat for improved readability.
18525 Replace uses of fprintf with asm_fprintf where appropriate.
18526 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
18527 function declaration assembler actions.
18528 (NUM_INTS): New macro: Convert from bytes to words.
18529 (NUM_REGS): New macro: Compute number of registers required to
18530 hold a quanitity of tyep MODE.
18531 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
18533 (NUM_ARG_REGS): New macro: The number of argument registers
18535 (ARG_REGISTER): New macro: Compute the register number of the Nth
18537 (LAST_ARG_REGNUM): New macro: The number of the last argument
18539 (SP_REGNUM): New macro: Register number of the stack pointer.
18540 (FP_REGNUM): New macro: Register number of the frame pointer.
18541 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
18542 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
18543 CUMULATIVE_ARGS so that it counts registers not bytes.
18545 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
18547 Replace uses of fprintf with asm_fprintf where appropriate.
18548 (output_ascii_pseudo_op): Replace with version from thumb.c
18550 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
18552 * config/arm/elf.h (CPP_PREDEFINES): Replace with
18553 SUBTARGET_CPP_SPEC.
18554 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
18555 (ASM_FILE_START): Emit ASM_APP_OFF.
18557 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
18559 * pa.c (compute_frame_size): Round frame according to
18560 STACK_BOUNDARY rather than a hardwired value.
18562 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
18564 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
18566 * configure: Rebuilt.
18568 * configure.in (hppa*-*-linux*): New configuration.
18569 * configure: Rebuilt.
18570 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
18571 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
18572 * pa/pa-linux.h: New file.
18573 * pa/t-linux: New file.
18574 * pa/xm-linux.h: New file.
18576 * pa.c (hppa_legitimize_address): Change references from SImode to
18577 either Pmode or word_mode as appropriate.
18578 (emit_move_sequence, store_reg, load_reg): Likewise.
18579 (set_reg_plus_d, hppa_expand_prologue): Likewise.
18580 (output_mul_insn): Likewise.
18581 * pa.h (PROMOTE_MODE): Likewise.
18582 (INITIALZE_TRAMPOLINE): Likewise.
18583 (Pmode): Define to word_mode.
18585 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
18586 value of 4. Allocate 8 bytes for each FP register save.
18587 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
18589 (hppa_expand_prologue): Likewise.
18590 * pa.h (PROMOTE_MODE): Likewise.
18591 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
18592 (FUNCTION_ARG_BOUNDARY): Likewise.
18594 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
18596 * pa.c (out_of_line_prologue_epilogue): Delete.
18597 (override_options): Remove -mspace related code.
18598 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
18599 (compute_frame_size): Only allocate space for register that
18600 actually need to be saved.
18601 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
18602 (TARGET_SWITCHES): Remove -mspace, -mno-space
18603 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
18604 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
18605 * pa/ee.asm, pa/ee_fp.asm: Delete.
18607 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
18609 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
18610 directive in column zero.
18612 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
18614 * m68k.c (output_function_prologue): Fix computation of save mask
18615 when generating PIC code.
18617 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
18619 * tree.c (build_type_attribute_variant): Move current_obstack restore
18620 after build_qualified_type call.
18622 1999-07-15 Mark Mitchell <mark@codesourcery.com>
18624 * configure.in: Use t-iris6, even with GNU LD.
18625 * config/mips/iris6gld.h: Fix typo in linker spec.
18626 * config/mips/t-iris6gld: Remove.
18628 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
18630 * rs6000.md (insv, extzv): Remove SImode dependence in named
18631 patterns. Explicitly generate DImode RTL if PowerPC64 and
18633 (insvdi): Reverse start and size in instruction template.
18635 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
18637 * invoke.texi: Typo fixes.
18639 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
18641 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
18642 handle at this time instead of silently generating incorrect code.
18643 (gen_imagpart): Likewise.
18645 * reload.c (find_reloads): Emit a USE for a pseudo register without
18646 a hard register if we could not create an optional reload for the
18649 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18651 * c-typeck.c (output_init_element, process_init_element):
18652 When advancing constructor_unfilled_fields for a RECORD_TYPE,
18653 check for nameless bit fields.
18655 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
18657 * regclass.c (scan_one_insn): Notice subregs that change the
18658 size of their operand.
18659 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
18661 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
18663 * configure.in (alpha*-*-*): Include alpha/t-ieee.
18664 * configure: Rebuilt.
18665 * alpha/t-ieee: New file.
18667 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
18669 * rs6000.c (find_addr_reg): Do not select r0 as an address
18672 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
18674 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
18676 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
18678 * rs6000.md (movsf): Do not force easy FP constants into memory.
18680 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
18681 immed_double_const to ensure they are properly truncated then
18684 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
18686 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
18687 always unless NO_DEBUG is used. Compile this code
18689 (replace_symbols_in_block): Compile it unconditionally.
18691 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
18693 * configure.in (i?86-*-elf*): New target.
18694 * configure: Rebuilt.
18695 * i386/i386elf.h, i386/t-i386elf: New files.
18697 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
18699 * toplev.c (main): Don't complain about saying -gdwarf.
18700 (rest_of_compilation): Remove redundant code.
18702 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
18704 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
18706 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
18708 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
18709 "Li960R:", to avoid name clash.
18711 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18713 * loop.c (check_dbra_loop): When reversing a loop, delete all
18714 REG_EQUAL notes referencing the reversed biv except those which are
18715 for a giv based on it.
18717 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
18719 * version.c: Drop "gcc-" prefix from version #.
18721 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
18723 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
18724 the label if we're being verbose.
18726 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
18728 * m68k.c (output_function_prologue): Add pic register to mask
18729 if live and flag_pic.
18730 (output_function_epilogue): Likewise.
18732 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
18734 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
18735 directives in column zero.
18737 * pa/elf.h (ASM_FILE_START): Define.
18738 * pa/som.h (ASM_FILE_START): Include .level directives.
18739 * pa/hpux10.h (ASM_FILE_START): Delete.
18740 * pa/hpux11.h (ASM_FILE_START): Delete.
18742 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
18744 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18746 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
18747 when reload_out equals reload_in.
18749 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
18751 * invoke.texi (Spec Files): New node: Describe the contents of
18754 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
18756 * invoke.texi (DEC Alpha Options): Put @end table at
18757 beginning of line, to avoid confusing texi2html.
18759 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
18761 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
18762 introduced in previous delta.
18764 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18766 * reload1.c (gen_reload): When synthesizing a 3 operand add
18767 sequence, improve test for when to reload OP1 into the reload
18768 register instead of OP0.
18770 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
18772 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
18774 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
18776 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
18779 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
18781 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
18782 (va_dcl): Use __builtin_va_alist_t.
18784 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
18786 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
18787 on the permanent_obstack.
18788 * dwarfout.c (output_type): Likewise.
18790 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
18792 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
18793 Merged from c-typeck.c and cp/typeck.c.
18794 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
18795 Merged into c-common.
18797 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
18799 * c-lex.c (errorcount): Declare it.
18800 (finish_parse): Update errorcount when using CPPLIB.
18802 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
18804 * fixinc/inclhack.def(end_else_label): Double the backslash so
18805 sed gets a chance to see it.
18806 * fixinc/inclhack.sh: regen
18807 * fixinc/fixincl.x: regen
18809 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
18811 Add framework to support armv5 architecture when it becomes
18814 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
18815 (arm_arch5): New variable.
18816 (all_architectures): Add armv5 line.
18817 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
18818 -march=armv5 is specified on the command line.
18819 (arm_arch5): Export this variable.
18820 * invoke.texi: Document new string accepted by -march= switch for
18823 * config/arm/arm.h: Replace use of constant 12 as a register
18824 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
18825 * config/arm/arm.c: Replace use of constant 12 as a register
18826 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
18828 * config/arm/elf.h: Tidy up.
18829 * config/arm/coff.h: Tidy up.
18831 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
18833 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
18834 * gcc/config/mips/t-iris6gld: New file.
18835 * gcc/config/mips/iris6gld.h: Likewise.
18837 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
18839 * c-decl.c (widest_integer_literal_type_node,
18840 widest_unsigned_literal_type) : New.
18841 (init_decl_processing): Handle/use the two new types.
18842 * c-common.c (type_for_size,type_for_mode) : Same.
18843 * c-lex.c (yylex) : Same.
18844 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
18846 * c-tree.h (widest_integer_literal_type_node,
18847 widest_unsigned_literal_type) : New.
18849 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
18851 * dwarfout.c (field_byte_offset): Correctly compute the object's
18852 byte offset for the first bit of a field which crosses an alignment
18853 boundary on a !BYTES_BIG_ENDIAN target.
18855 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
18857 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
18860 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
18861 Jeff Law <law@cygnus.com>
18863 * ginclude/varargs.h (va_dcl): Use word_mode for type of
18866 * except.c: Include intl.h.
18867 (expand_eh_return): Set current_function_cannot_inline.
18868 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
18869 * function.h (struct function): Add eh_return_stub_label.
18870 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
18871 * Makefile.in (except.o): Depend on intl.h.
18873 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
18875 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
18876 same as offsettable in cases 1 and 2.
18878 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
18880 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
18881 (extlh, extwh): Likewise.
18883 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
18885 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
18887 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
18889 * configure.in: Add arm-pe and thumb-pe targets.
18890 * configure: Regenerate.
18892 * thumb.c (arm_naked_function_p): New function: Determines if
18893 a function is naked (has no gcc generated prologue/epilogue).
18894 (is_called_in_ARM_mode): Return true if the func has the
18895 interfacearm attribute.
18896 (output_return): Do not generate a return for naked functions.
18897 (thumb_function_prologue): Do not generate a prologue for
18899 (thumb_expand_prologue): Do not generate a prologue for naked
18901 (thumb_expand_epilogue): Do not generate an epilogue for naked
18903 (arm_valid_machine_decl_attribute): New function, copied from
18904 arm.c: Permit naked and interfacearm attributes.
18906 * config/arm/pe.c: New file: Support code for arm-pe target.
18907 * config/arm/pe.h: New file: Header file for arm-pe target.
18908 * config/arm/tpe.h: New file: Header file for thumb-pe target.
18909 * config/arm/t-thumb-pe: New file: Makefile fragment for
18912 1999-07-01 Mark Kettenis <kettenis@gnu.org>
18914 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
18915 -fPIC or -fpic is specified.
18917 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
18919 * expr.c (emit_block_move): Use copy_to_mode_reg for
18920 !TARGET_MEM_FUNCTIONS case too.
18922 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
18924 * configure: Rebuilt.
18925 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
18926 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
18927 definitions made redundant by dbxelf.h inclusion. Delete
18928 lots of definitions related to assembly output that are
18929 specific to the SOM object format.
18930 * pa.c (output_function_prologue): Do not emit the function's
18932 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
18933 * pa-pro.h: Deleted.
18934 * som.h: New file with SOM specific definitions.
18935 * elf.h: New file with ELF specific definitions.
18937 * elfos.h (const_section): Output a tab before assembler directives.
18938 (ctors_section, dtors_section): Likewise.
18939 (ASM_OUTPUT_SECTION_NAME): Likewise.
18941 * pa/pa1.h: Delete unused file.
18943 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
18945 * configure.in (hppa*-hp-hpux11*): New configuration.
18946 * configure: Rebuilt.
18947 * pa/pa-hpux11.h: New file.
18948 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
18951 * mips.md (leasi, leadi): New patterns.
18953 * expr.c (emit_block_move): Properly handle case where one of the
18954 block move arguments has a queued increment or decrement.
18955 (clear_storage): Similarly. Fix formatting goof.
18957 1999-06-28 "David O'Brien" <obrien@NUXI.com>
18959 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
18960 semicolon from the BSD VA_LIST replacement expression.
18962 * fixinc/inclhack.sh: regen
18963 * fixinc/fixincl.x: regen
18965 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
18966 now use the fixincl program.
18968 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
18970 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
18971 case. Also make the PIC register call_used.
18973 * m68k.h (FINALIZE_PIC): Delete.
18974 * m68k.c (finalize_pic): Delete.
18976 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
18978 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
18981 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
18983 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
18985 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
18987 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
18989 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
18991 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
18993 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
18995 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
18997 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
18999 * rs6000.c (output_toc): Always use hex values for floating-point
19000 constants. Store single-precision values in upper-half of TOC
19001 entry in 64-bit mode.
19002 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
19003 to final constraints.
19004 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
19005 (fctiwz): Improve accuracy of RTL for pattern.
19007 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
19009 * expr.c (expand_expr): Allow RTL_EXPR's through the
19010 MAX_INTEGER_COMPUTATION_MODE checks.
19012 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
19014 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
19015 such that MASK_SUPPORT_ARCH is not negative.
19017 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
19019 * loop.c (verify_dominator): Properly handle ADDR_VEC and
19020 ADDR_DIFF_VEC insns that appear inside loops.
19022 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
19023 Jeff Law <law@cygnus.com>
19025 * rs6000.md (movdf_hardfloat32): Revert previous patch.
19026 Handle LO_SUM the same as offsettable in cases 1 and 2.
19027 * rs6000.c (find_addr_reg): Revert previous patch.
19029 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
19031 * system.h (strstr): New external function declaration.
19032 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
19033 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
19034 * config.in, configure: Rebuilt.
19036 1999-06-24 Tom Tromey <tromey@cygnus.com>
19038 * gcc.c (main): Read user-specified specs files after computing
19039 additional startfile_prefixes.
19041 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
19043 Revert these two patches:
19045 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19046 * loop.c (strength_reduce): When doing biv->giv conversion, update
19047 reg note of NEXT->insn.
19049 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19050 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
19052 (recombine_givs): Set ix field after sorting.
19054 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19056 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
19057 for the parts of an UNSPEC / UNSPEC_VOLATILE.
19059 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
19061 *fixinc/inclhack.def: Add fix development commentary
19062 (read_ret_type): reactivate and add selection clause
19063 (zzz_*): tweak output file name to match what is used in hackshell.tpl
19064 *fixinc/{fixincl.x|inclhack.sh}: regen
19066 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
19068 * expr.c (expand_expr): STRIP_NOPS before checking against
19069 MAX_INTEGER_COMPUTATION_MODE
19070 (check_max_integer_computation_mode): Likewise.
19072 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
19074 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
19076 1999-06-22 Jim Wilson <wilson@cygnus.com>
19078 * expr.c (store_expr): When target is a promoted subreg, return a
19079 promoted subreg as a result.
19081 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
19083 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
19085 (dwarf2out_define): Mark unused parameters appropriately.
19086 (gen_unspecified_parameters_die): Ditto.
19087 (gen_subprogram_die): Fix signed/unsigned warnings.
19088 (gen_variable_die): Ditto.
19090 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
19092 * fixinc/inclhack.def(end_else_label): combined else_label
19093 and endif_label and fixed the sed expression.
19094 *fixinc/{fixincl.x|inclhack.sh}: regen
19096 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
19098 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
19099 'x' when handling non-offsettable addresses
19101 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
19103 * final.c (shorten_branches): Don't try to split an insn that has
19106 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
19108 * config/mips/mips.c (symbolic_expression_p): New function.
19109 (mips_select_rtx_section): Put symbolic expressions in the
19110 data section, not the read-only data section.
19112 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
19114 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
19116 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
19118 * collect2.c (main): Log frame table count.
19119 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
19120 (scan_prog_file) [COFF]: Handle frame tables.
19122 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
19123 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
19124 * alpha/elf.h: Undef them again.
19125 * alpha/vms.h: Remove their definitions.
19127 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19129 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
19130 remove the clobber of r0 and change the REG_UNUSED note to
19133 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
19135 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
19136 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
19137 fits in HOST_WIDE_INT and one uses union to access a long constant
19140 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
19142 * sparc.c (sparc_override_options): Don't allow profiling for
19143 code models other than medlow.
19144 (sparc_function_profiler): New function from old FUNCTION_PROFILER
19145 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
19146 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
19147 (sparc_block_profiler): Likewise.
19148 (sparc_function_block_profiler_exit): Likewise.
19149 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
19150 (FUNCTION_BLOCK_PROFILER): Likewise.
19151 (BLOCK_PROFILER): Likewise.
19152 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
19153 (MCOUNT_FUNCTION): New.
19154 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
19155 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
19156 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
19157 (MCOUNT_FUNCTION): New.
19158 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
19159 (BLOCK_PROFILER): Delete.
19160 (MCOUNT_FUNCTION): New.
19162 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
19164 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
19166 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
19168 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
19171 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
19174 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
19177 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
19180 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
19182 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
19185 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
19187 * i386/djgpp.h (LIB_SPEC): New.
19188 (STARTFILE_SPEC): New.
19190 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
19192 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
19194 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
19197 * system.h (WSTOPSIG): New macro.
19199 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
19201 * c-pragma.c (push_alignment): Don't ignore alignments greater than
19203 (insert_pack_attributes): Take into account member natural
19206 * i386/winnt.c (exports_head): New static variable.
19207 (i386_pe_record_exported_symbol): New function.
19208 (i386_pe_asm_file_end): Use.
19209 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
19210 symbols to be emitted at end of assembly.
19211 (ASM_DECLARE_OBJECT_NAME): Likewise.
19212 (ASM_DECLARE_FUNCTION_NAME): Likewise.
19214 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
19217 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
19219 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
19222 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
19224 * haifa-sched.c (sched_analyze_1): Use free_list instead of
19225 zapping reg_last_uses directly.
19226 (sched_analyze_2, sched_analyze_insn): Likewise.
19227 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
19229 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
19231 * rs6000.md (movdf_hardfloat32): Use worst case insn length
19232 attributes for cases 1 and 2.
19234 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
19236 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
19239 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
19241 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
19243 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
19245 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
19246 PIC_OFFSET_TABLE_REGNUM for general alloaction.
19247 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
19248 must be stacked if it is used for PIC accesses.
19249 * arm.c (use_return_insn): Handle PIC register specially.
19250 (output_return_instruction): Likewise.
19251 (output_func_{prologue,epilogue}): Likewise.
19252 (output_expand_prologue): Likewise.
19254 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
19255 (*strsi_predec): Renamed from *strqi_predec.
19256 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
19257 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
19259 * arm.c (arm_override_options): Remove warning about PIC code
19260 not being supported.
19262 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
19264 * rs6000.c (find_addr_reg): New function.
19265 * rs6000.h (find_addr_reg): Declare.
19266 (offsettable_addr_operand): Delete.
19267 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
19268 from and stores to GPRs.
19270 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
19272 * alpha.c (alpha_expand_block_move): Use get_insns rather than
19273 gen_sequence as argument to emit_no_conflict_block.
19275 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
19277 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
19278 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
19279 *fixinc/fixincl.x: regen
19280 *fixinc/inclhack.sh: regen
19282 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
19284 * added support for -mpcrel (PC relative addressing for m68k)
19285 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
19286 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
19287 * m68k.c (print_operand_address): Handle 32-bit PIC case.
19288 (comments for general_src_operand): Add some explanation
19289 about EXTRA_CONSTRAINTS.
19290 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
19291 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
19292 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
19293 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
19294 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
19295 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
19296 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
19297 if not already set.
19298 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
19299 * m68k.h (TARGET_PCREL): New target flag.
19300 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
19301 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
19302 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
19303 contains a SYMBOL_REF. Relax this constraint during reload, since
19304 we want to use the predicates, not reload's built-in concept of a
19305 valid memory address, to control what insns need reloading.
19306 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
19307 operands (essentially 'g', 'm', and 's' under normal circumstances).
19308 * m68k.c (print_operand): Cause printing of pc-relative addresses
19309 to include pc register.
19310 (print_operand_address): Ditto.
19311 (general_src_operand): Accept operands that are not only
19312 general_operands, but are also valid when used as a pc-relative
19314 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
19315 (memory_src_operand): Similar, for memory_operands.
19316 (pcrel_address): New predicate to accept the special case of a
19317 pc-relative address.
19318 * m68k.md (many patterns): Rewrite common SImode, HImode, and
19319 QImode insns to accept *_src_operand instead of *_operand where
19320 pc-relative operands can fit. For example, a pc-relative operand
19321 can be used as a memory source operand for addsi3, but not as a
19322 memory destination.
19323 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
19325 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
19327 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
19328 .thumb_set pseudo op to mark aliases of thumb functions.
19330 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
19332 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
19333 preference to ASM_OUTPUT_DEF, if it is defined.
19335 * tm.texi: Document new, optional target macro
19336 ASM_OUTPUT_DEF_FROM_DECLS.
19338 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
19340 * fixincludes: ISCNTL patch
19341 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
19342 (dgux_int_varargs): new for DG/UX
19343 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
19345 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
19347 * invoke.texi (ia32 options): Fix typo.
19349 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19351 * loop.c (strength_reduce): When doing biv->giv conversion, update
19352 reg note of NEXT->insn.
19354 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
19356 * loop.c (move_movables): Note issues with replacing REGs with
19358 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
19360 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
19362 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
19364 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
19365 the reference to `mcount' was not correct for the ELF on FreeBSD.
19367 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19369 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
19372 (recombine_givs): Set ix field after sorting.
19374 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
19376 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
19377 to safe to extract a subword out of a REG.
19379 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19381 * sh.md (mulsi3): Don't add a no-op move at the end.
19383 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19385 * cse.c (cse_insn): Don't put hard register source into tables for
19386 the last insn of a libcall.
19388 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19390 * loop.c (strength_reduce): Insert sets of derived givs at every
19391 biv increment, even if it's the only one.
19393 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
19395 * dwarfout.c (add_incomplete_type): New fn.
19396 (output_type): Call it.
19397 (retry_incomplete_types): New fn.
19398 (dwarfout_finish): Call it.
19400 From Eric Raskin <ehr@listworks.com>:
19401 (output_type): Output types for bases.
19403 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
19405 * mips.c (mips_output_conditional_branch): Add `break'
19406 between `default' label and `close braces'.
19408 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
19410 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
19411 specifications and make it realistic.
19412 (LIB_SPEC): Likewise.
19414 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
19416 * config/mips/mips.c (mips_secondary_reload_class): Check for
19417 (PLUS (SP) (REG)) and return appropriate register class.
19418 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
19419 Handle (PLUS (SP) (REG)).
19420 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
19421 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
19422 of emit_insn for tablejump.
19424 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
19426 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
19427 asm_fprintf format string by itself.
19428 (output_function_profiler): Likewise.
19430 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
19432 * combine.c (simplify_logical, case AND): Only call
19433 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
19434 or the constant is positive.
19436 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
19438 * configure.in: Fix typo in rs6000-ibm-aix4 case.
19439 * configure: Regenerate.
19441 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
19443 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
19444 require a sub-version #.
19445 * configure: Rebuilt.
19447 1999-06-14 Robert Lipe (robertlipe@usa.net)
19449 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
19451 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
19453 * c-typeck.c (process_init_element): Detect excess elements in
19454 char array initializer.
19456 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
19458 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
19460 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
19462 * invoke.texi (Option Summary): Add -fpermissive flag.
19464 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
19466 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
19467 that require PIC code sequences.
19469 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
19471 * configure.in: Add new target: thumb-elf.
19472 * configure: Regenerate.
19473 * config/arm/t-thumb-elf: New file: Makefile fragment for
19475 * config/arm/telf.h: New file: Header file for thumb-elf
19478 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
19480 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
19481 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
19482 initializers is some circumstances.
19484 * fixinc/inclhack.def (endif_label): Add additional selector for
19485 more bogus stuff after #endif statements.
19486 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
19488 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
19490 * i386/cygwin.h (SET_ASM_OP): Define.
19492 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
19494 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
19496 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19498 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
19501 * sh.md (ic_invalidate_line_i): Remove second alternative.
19503 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
19505 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
19506 test for the presence of valid prototypes. Delete bypass expr.
19507 (ioctl_fix_ctrl): Correct the selection expression.
19508 (no_double_slash): Correct quoting rules
19509 *fixinc/fixincl.x: regen
19510 *fixinc/inclhack.sh: regen
19512 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
19514 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
19516 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
19518 * rs6000.md (movsi_got_internal_mem): Delete.
19519 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
19520 (GOT_TOC_REGNUM): Delete.
19521 (PIC_OFFSET_TABLE_REGNUM): Define.
19522 (FINALIZE_PIC): Disable.
19523 * rs6000.c (rs6000_got_register): New code for fixed pic register.
19524 (rs6000_replace_regno): Delete.
19525 (rs6000_finalize_pic): Likewise.
19526 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
19528 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19530 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
19531 is a note; use <= for the compare; advance P while it is
19534 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
19536 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
19537 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
19539 * varasm.c (remove_from_pending_weak_list): Verify t->name
19540 is non-NULL before passing it to strcmp.
19542 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
19544 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
19545 the typed arguments are not part of a comment
19546 (ioctl_fix_ctrl): Added a purpose comment
19547 *fixinc/fixincl.x: regenerate
19548 *fixinc/inclhack.sh: regenerate
19550 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19552 * invoke.texi: Add C4x invocation docs.
19554 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19556 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
19558 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
19560 (c4x_legitimize_reload_address): New function.
19561 * config/c4x/c4x.md: Update docs.
19563 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
19565 * fixincludes: Avoid removing '.'.
19566 * fixinc/fixinc.svr4: Likewise.
19567 * fixinc/fixinc.winnt: Likewise.
19568 * fixinc/inclhack.tpl: Likewise.
19569 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
19571 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19573 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
19575 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
19577 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
19579 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
19582 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
19584 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
19585 * configure: Regenerate.
19587 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
19589 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
19592 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
19594 * fixinc/inclhack.def (avoid_bool): Also catch
19595 "typedef [unsigned] int bool".
19596 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
19598 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
19599 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
19600 * configure: Rebuilt.
19602 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
19604 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
19605 such that we can override its definitions if necessary.
19606 (CPP_SPEC): New define. Support processor specific predefines via
19608 (CC1_SPEC): New define. Support processor specific compiler
19609 options via %(cc1_cpu).
19610 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
19613 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19615 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
19616 between sed's -e flag, and the open-quote following it.
19617 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
19619 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
19620 Jeffrey A Law (law@cygnus.com)
19622 * varasm.c (assemble_start_function): Remove the function
19623 from the pending weak decls list when we define a function.
19624 (assemble_variable): Similarly for variables.
19625 (weak_finish): Ignore items on the list with a NULL name.
19626 (remove_from_ending_weak_list); New function to "remove" an item
19627 from the pending weak declarations list.
19629 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
19631 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
19633 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
19635 * c-lex.c (GETC): Redefine to call getch.
19636 (UNGETC): Redefine to call put_back.
19637 (putback_buffer): New structure type.
19638 (putback): New static structure.
19639 (getch): New function.
19640 (put_back): New function.
19641 (yylex): Replace unused bytes from bad multibyte character.
19643 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
19645 * cpplib.c (do_define): Cast `alloca' return value.
19646 (do_include, do_undef, do_pragma): Likewise.
19647 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
19649 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
19650 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
19652 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
19654 * sparc.md (abstf2): This should be an expand.
19655 (split after abstf2_notv9): Fix mode.
19656 (abstf2_hq_v9): New pattern.
19657 (abstf2_v9): Only use when no hard quad.
19658 (absdf2_v9): Fix if target is not the same as source.
19659 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
19660 Add correct output constraints.
19662 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
19664 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
19665 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
19667 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
19669 * mips.h (mips_output_conditional_branch): New function.
19670 (mips_adjust_insn_length): Likewise.
19671 (ASSEMBLER_SCRATCH_REGNUM): New macro.
19672 (ADJUST_INSN_LENGTH): Likewise.
19673 * mips.c (print_operand): Add `F' and `W' for floating-point
19674 comparison opcodes.
19675 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
19677 (mips_adjust_insn_length): New function.
19678 (mips_output_conditional_branch): New function.
19679 * mips.md (length): Adjust attribute definition to handle
19680 conditional branches. Change lengths to bytes, rather than
19681 instructions throughout. Remove length attribute from
19682 instructions whose length is four bytes, and rely on the default
19684 (dslot): Fix typo in comment.
19685 Reword conditional branch patterns to use
19686 mips_output_conditional_branch.
19688 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
19690 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
19691 (LIB_SPEC): Likewise.
19692 Link with -lprof1_r for -g/-pg.
19694 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
19696 * loop.c (check_dbra_loop): Fix change of Jan 19.
19698 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
19700 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
19701 (STARTFILE_SPEC): Define, override the svr4.h version.
19702 (ENDFILE_SPEC): Likewise.
19704 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
19706 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
19707 * fixinc/fixincl.x: Regenerated.
19708 * fixinc/inclhack.sh: Regenerated.
19710 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19712 * sh.c (barrier_align): Don't return early for normal branch/barrier
19713 when optimizing for SH2.
19715 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
19717 * i386/udk.h (LINK_SPEC): Correct linker search path for
19720 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19722 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
19723 (braf_label_ref_operand): Delete.
19724 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
19725 * sh.md (casesi_jump_2): Operand1 is now the inside of a
19726 label_ref, and has no predicate.
19727 The patten has a predicate to guard against invalid substitutions.
19728 (dummy_jump): Delete.
19729 (casesi): Update use of casesi_jump_2.
19731 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
19733 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
19734 *fixinc/fixincl.x: regenerate
19735 *fixinc/inclhack.sh: regenerate
19737 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
19739 * dwarf2out.c (add_incomplete_type): New fn.
19740 (gen_struct_or_union_type_die): Call it.
19741 (retry_incomplete_types): New fn.
19742 (dwarf2out_finish): Call it.
19744 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
19746 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
19747 current block starts with a CODE_LABEL and ends with a CALL and
19748 we can not find all the argument setup instructions for the CALL.
19750 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
19752 Revert this change:
19753 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
19754 something is a candidate for optimize_bit_field_compare.
19756 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19758 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
19760 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
19762 * alpha.c (override_options): Thinko in last patch.
19764 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
19765 (LIB_SPEC): Recognize -pthread.
19767 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
19769 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
19770 definition in config/arm/coff.h
19771 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
19773 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
19775 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
19776 fixes that need "file=xxx\n" prepended before invocation
19777 (start_fixer - new): starting the fixer process is complex enough
19778 to warrent its own routine. It prepends the "file=xxx\n" stuff.
19779 (process): uses the new routine; omit usage of putenv()
19780 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
19781 * fixinc/fixincl.x: regenerate
19783 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
19785 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
19786 and version #s (1.1 -> 2.96) as needed.
19787 * README.g77: Kill way out of date file in the toplevel directory.
19789 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
19791 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
19792 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
19793 * configure: Rebuilt.
19794 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
19795 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
19796 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
19797 (SWITCH_TAKES_ARG): Likewise.
19798 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
19799 * config/t-freebsd: Moved from config/i386/ so it can used for all
19802 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
19804 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
19806 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
19808 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
19809 * configure: Rebuilt.
19811 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
19813 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
19814 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
19815 * rs6000/rs6000.c (rs6000_file_start): Use putc.
19816 (rs6000_output_load_toc_table): Same.
19817 (output_prolog, output_mi_thunk): Same.
19818 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
19819 (ASM_GLOBALIZE_LABEL): Use putc.
19821 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
19823 * alpha.md (reload_*_help): New patterns and splitters.
19824 (reload_*): Use them.
19825 (mov[qh]i): Likewise.
19827 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
19829 * cccp.c (handle_directive): Handle backslash-newlines in quoted
19832 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
19834 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
19836 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
19838 * flow.c (mark_regs_live_at_end, insn_dead_p,
19839 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
19840 and HARD_FRAME_POINTER_REGNUM special treatment if reload
19841 hasn't run or the frame pointer is needed.
19842 * haifa-sched.c (attach_deaths): Likewise.
19843 * sched.c (attach_deaths): Likewise.
19845 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
19847 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
19848 calculate_can_reach_end returns nonzero.
19850 * configure.in (native gas tests): Search for an assembler in the
19851 same manner that the installed compiler will.
19852 * configure: Rebuilt.
19853 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
19855 * alias.c (find_base_term): Improve handling of addresses
19856 constructed from binary operations.
19858 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
19860 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
19862 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
19864 * function.h (cleanup_label, frame_offset): Declare.
19865 (tail_recursion_label, tail_recursion_reentry): Likewise.
19866 (arg_pointer_save_area, rtl_expr_chain): Likewise.
19867 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
19868 (tail_recursion_label, tail_recursion_reentry): Likewise.
19869 (arg_pointer_save_area, rtl_expr_chain): Likewise.
19871 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
19873 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
19875 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
19876 (MAX_OFILE_ALIGNMENT): Define.
19878 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
19880 * fixincl.c: Replace local include scheme with #includes of
19881 gansidecl.h and system.h.
19882 * procopen.c: Likewise.
19883 * server.c: Likewise.
19885 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
19887 * i386/t-dgux (EXTRA_PARTS): Add crti.o
19888 (crti.o): Add build rule and dependencies.
19889 * fixinc/fixinc.dgux: Use modified _int_varargs.h
19891 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
19893 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
19894 (LIB_LINUX_SPEC): Likewise.
19895 (LIB_LINUX_SPEC): Add support for -pthread
19896 (CPP_OS_LINUX_SPEC): Likewise.
19897 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
19900 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
19902 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
19904 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
19905 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
19906 for IEEE math and CC_FCOMI.
19907 (put_jump_code): No IEEE if CC_FCOMI is set.
19909 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
19911 * fold-const.c (fold_truthop): Make the field reference unsigned
19912 when converting a single bit compare.
19914 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19916 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
19918 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
19920 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
19921 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
19924 * reload.c (push_reload): Do not call remove_address_replacements
19925 when presented with identical optional reloads.
19927 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
19929 * alpha.h (MASK_FIX, TARGET_FIX): New.
19930 (MASK_*): Reorganize constants.
19931 (CPP_AM_FIX_SPEC): New.
19932 (TARGET_SWITCHES): Add FIX.
19933 (EXTRA_SPECS): Likewise.
19934 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
19935 (SECONDARY_MEMORY_NEEDED): Likewise.
19936 (REGISTER_MOVE_COST): Likewise.
19937 * alpha.c (override_options): Add FIX support. Always use
19938 ALPHA_TP_PROG for ev6.
19939 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
19940 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
19941 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
19943 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
19945 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
19946 something is a candidate for optimize_bit_field_compare.
19948 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
19950 * gcc.texi (Passes): Document branch-shortening.
19951 * invoke.texi (Debugging Options): Document the fact that `-dp'
19952 outputs length information for instructions.
19954 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
19956 * flow.c: Revert previous delta.
19958 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
19960 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
19961 FRAME_POINTER_REGNUM.
19962 (mark_set_1): Ditto.
19963 (mark_used_regs): Ditto.
19965 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
19967 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
19968 (GOT_PCREL): New macro. Define to 1 if not already defined.
19969 * arm/elf.h (GOT_PCREL): Define to 0.
19970 * arm.c (arm_finalize_pic): Take into account the setting of
19973 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
19975 * output.h (STRIP_NAME_ENCODING): Provide default definition.
19976 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
19978 * flow.c (mark_set_1): Do not record BLKmode stores as dead
19979 store elimination candidates.
19981 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
19983 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
19986 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
19988 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
19989 Add use of x-aix41-gld.
19991 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
19993 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
19994 (ASM_OUTPUT_DESTRUCTOR): Define.
19996 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
19998 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
19999 last CODE_LABEL in a loop if we have previously passed a jump
20000 to the top of the loop.
20002 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
20004 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
20005 applying Philip's patch.
20007 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
20009 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
20012 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
20014 * loop.c (strength_reduce): Grow reg_single_usage as needed.
20016 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
20018 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
20019 Also remove a useless comment.
20021 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
20023 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
20025 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
20027 * collect2.c (main): Only generate import or export file and add
20028 to link arguments if non-empty. Use xmalloc not alloca.
20029 (write_{export,import}_file): Delete.
20030 (write_aix_file): New function.
20031 (locatelib): Use xmalloc not malloc.
20032 (GCC_OK_SYMBOL): Do not check type if aix64.
20034 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
20036 Based on patch by Scott Bambrough and Pat Beirne:
20037 * config/arm/arm.c (making_const_table): New variable.
20038 * config/arm/arm.h (making_const_table): Declare.
20039 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
20041 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
20042 Keep track of when we are building the constant table.
20044 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
20046 * config/arm/arm.c (arm_override_options): Fix erroneous warning
20049 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
20051 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
20054 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
20056 * tm.texi (FUNCTION_ARG): Correct description of a stack element
20059 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
20061 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
20063 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
20065 * rs6000.c (output_mi_thunk): Enable full support again.
20067 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
20069 * sh.h (BRANCH_COST): Define.
20071 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
20073 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
20075 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
20077 * function.c (assign_stack_local): Align stack slot propertly.
20078 (assign_outer_stack_local): Likewise.
20080 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
20082 * expr.h (lang_expand_constant): Declare.
20083 * toplev.c (lang_expand_constant): Define it.
20084 * varasm.c (output_constant): Use it.
20086 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20088 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
20089 Change function definitions to K&R style.
20091 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20093 * fixinc/fixincl.c: We must not ignore SIGCLD now.
20095 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
20097 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
20098 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
20099 (several places): omit static initialization
20100 (process): use single fd, since only the read fd is used
20101 * fixinc/gnu-regex.c: define 'const' away, if not supported
20102 * fixinc/procopen.c(several places): omit static initialization
20103 * fixinc/server.c: define 'volitile' away, if not supported
20105 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
20107 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
20108 asm_fprintf and %L to generate the label name.
20109 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
20110 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
20112 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
20114 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
20115 insn for a conditional jump can not be found.
20117 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
20119 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
20120 on variables in specific sections other than .sbss and .sdata.
20122 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
20124 * stmt.c (expand_return): Call start_cleanup_deferral and
20125 end_cleanup_deferral around conditional code.
20127 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
20129 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
20130 filename lists. Utilizes new "krstr" AutoGen function.
20131 * fixinc/fixincl.x: Rebuilt.
20133 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
20135 * i386.c (output_float_compare): Avoid GNU-C extensions.
20137 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
20139 * version.c: Bump to distinguish mainline tree from the
20142 See ChangeLog.1 for earlier changes.