1 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
3 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
4 (struct cpp_buffer): Remove fname and underflow fields.
5 (struct cpp_reader): Remove get_token field.
6 (struct include_hash): Rename to struct ihash. Add typedef to
8 (struct if_stack): Remove fname field.
9 (IF_STACK_FRAME): Rename to IF_STACK.
11 * cpperror.c (print_containing_files): Trust that there are no
12 macro buffers below the top file buffer.
13 * cppfiles.c: Replace all references to 'struct include_hash'
14 with 'IHASH'. Rename initialize_input_buffer to
15 init_input_buffer. Don't set or reference cpp_buffer->fname,
16 use buffer->ihash->name instead.
17 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
19 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
20 IF_STACK_FRAME, IHASH not struct include_hash.
21 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
22 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
23 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
24 references to cpp_buffer->fname (delete entirely, or use
25 ->ihash->name instead) and IF_STACK->fname.
26 (cpp_push_buffer): Don't set new->underflow.
27 (do_include): Use cpp_file_buffer.
29 * cpphash.c (collect_formal_parameters): Remove duplicate
30 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
31 used as a macro argument name. Don't append "..." to namebuf
32 for varargs macros. After we're done scanning, go through
33 namebuf and make it NUL separated, not comma separated.
34 (_cpp_compare_defs): Remove register tag from variables.
35 Expect defn->argnames to be NUL separated.
36 (_cpp_dump_definition): Expect defn->argnames to be NUL
37 separated and in forward order.
38 * cpphash.h: Update documentation of argnames field.
40 2000-03-08 Richard Henderson <rth@cygnus.com>
42 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
43 to fail. Don't pre-expand the source operand.
45 * i386.md (strlensi): Initialize eoschar and align before use.
47 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
49 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
52 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
54 * mips.c (mips_expand_prologue): If the last
55 named argument is the vararg marker "va_list", treat it as
58 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
60 * dbxout.c (dbxout_parms): When correcting for promoted
61 big-endian parameters, use the mode of the DECL_RTL rather
64 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
66 * c-common.h (make_fname_decl): Declare.
67 * c-common.c (make_fname_decl): Define.
68 (declare_hidden_char_array): Remove.
69 (declare_function_name): Use make_fname_decl.
70 * c-decl.c (c_make_fname_decl): New function.
71 (init_decl_processing): Set make_fname_decl.
73 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
75 * cccp.c (handle_directive): Initialize backslash_newlines_p.
77 2000-03-07 Philipp Thomas <pthomas@suse.de>
79 * po/POTFILES.in: Remove cppalloc.c from file list.
81 2000-03-07 Steve Chamberlain <sac@pobox.com>
83 * pj.c (pj_expand_prologue): current_function->args_info is
84 now current_function_args_info.
86 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
87 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
88 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
90 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
92 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
93 output as hexadecimal rather than the default octal.
95 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
97 * cpphash.c (special_symbol): Fix thinko in previous commit.
99 2000-03-07 Neil Booth <NeilB@earthling.net>
101 * cppexp.c (struct operation, left_shift, right_shift,
102 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
103 "int"s to "unsigned int"s.
104 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
106 * cpplib.h: Update for above.
107 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
108 returned from allocations.
110 * cppinit.c (opt_comp, parse_options): New functions.
111 (handle_option): Use parse_option to parse a single command
112 line option, that possibly takes an argument.
113 (cpp_handle_options): Sort the array of command line options on
114 first invocation (non-ASCII hosts only).
115 (print_help): Update.
117 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
119 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
120 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
122 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
124 * cppinit.c (cpp_cleanup): Free imp->nshort also.
126 * cpperror.c (cpp_print_containing_files,
127 cpp_print_file_and_line, v_cpp_message): Rename to
128 print_containing_files, print_file_and_line, and v_message.
129 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
130 to _cpp_parse_expr, parse_escape, and lex.
131 (parse_charconst): Remove broken multibyte support.
132 * cppfiles.c (include_hash): Make static.
133 (cpp_included): New function.
134 (merge_include_chains, find_include_file, finclude,
135 simplify_pathname): Rename to _cpp_merge_include_chains,
136 _cpp_find_include_file, _cpp_read_include_file, and
137 _cpp_simplify_pathname.
138 * cpphash.c (cpp_lookup, free_definition, delete_macro,
139 cpp_install, create_definition, macroexpand, compare_defs,
140 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
141 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
142 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
143 * cppinit.c (cpp_handle_option): Rename to handle_option, make
145 * cpplib.c: Remove extern prototype of cpp_parse_expr.
147 * cpphash.h: Update prototypes.
148 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
150 2000-03-07 Andrew Haley <aph@cygnus.com>
152 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
153 PTRDIFF_TYPE should be based solely on Pmode.
156 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
158 * rtl.h (rtunion_def): Constify member `rtstr'.
159 (emit_line_note_after, emit_line_note, emit_line_note_force,
160 emit_note, decode_asm_operands): Constify.
162 * cse.c (canon_hash): Likewise.
164 * dbxout.c (dbxout_block): Likewise.
166 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
167 v_warning_for_asm): Likewise.
169 * dwarfout.c (function_start_label): Likewise.
171 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
172 emit_line_note_force): Likewise.
174 * final.c (last_filename, asm_insn_count, final_scan_insn,
175 output_source_line): Likewise.
177 * function.h (struct emit_status): Likewise.
179 * gcse.c (hash_expr_1): Likewise.
181 * genattr.c (gen_attr, main): Likewise.
183 * genattrtab.c (struct function_unit, current_alternative_string,
184 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
185 attr_numeral, check_attr_test, check_attr_value,
186 convert_set_attr_alternative, convert_set_attr,
187 compute_alternative_mask, simplify_by_exploding, gen_attr,
190 * genflags.c (gen_insn): Likewise.
192 * gengenrtl.c (type_from_format): Likewise.
194 * genopinit.c (gen_insn): Likewise.
196 * genoutput.c (n_occurrences, process_template, process_template):
199 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
202 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
205 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
206 ggc_set_mark, ggc_get_size): Likewise.
208 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
210 * optabs.c (init_one_libfunc): Likewise.
212 * output.h (assemble_start_function): Likewise.
214 * recog.c (decode_asm_operands): Likewise.
216 * toplev.c (rest_of_compilation): Likewise.
218 * tree.h (emit_line_note_after, emit_line_note,
219 emit_line_note_force): Likewise.
221 * varasm.c (asm_output_bss, asm_output_aligned_bss,
222 asm_emit_uninitialised, assemble_start_function,
223 assemble_variable, const_hash, compare_constant_1,
224 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
226 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
228 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
230 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
232 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
234 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
235 arm_dllimport_name_p): Likewise.
237 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
240 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
242 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
244 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
245 arm_mark_dllexport, arm_mark_dllimport,
246 arm_pe_encode_section_info): Likewise.
248 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
249 ASM_FINISH_DECLARE_OBJECT): Likewise.
251 * arm/thumb.c (thumb_function_prologue): Likewise.
253 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
255 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
257 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
259 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
261 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
263 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
265 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
266 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
268 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
270 * i386/i386.c (asm_output_function_prefix): Likewise.
272 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
274 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
276 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
278 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
279 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
280 ASM_OUTPUT_SECTION_NAME): Likewise.
282 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
284 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
286 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
288 * m32r/m32r.c (m32r_encode_section_info): Likewise.
290 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
292 * mcore/mcore.c (mcore_encode_section_info): Likewise.
294 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
296 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
298 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
300 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
302 * mips/mips.md (movdi, movsi): Likewise.
304 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
306 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
308 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
310 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
311 ASM_OUTPUT_ASCII): Likewise.
313 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
314 output_mi_thunk, output_toc): Likewise.
316 * rs6000/rs6000.md (movsi): Likewise.
318 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
320 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
322 * v850/v850.c (print_operand, print_operand_address,
323 v850_encode_data_area): Likewise.
325 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
327 * config/mips/mips.md (zero_extendsidi2): Always force operand
328 one to memory for mips16.
330 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
332 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
333 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
334 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
335 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
336 (min_precision): Result is unsignd.
337 (add_double, neg_double, mul_double): Low word is unsigned.
338 (lshift_double, rshift_double, lrotate_double): Likewise.
339 (rrotate_double, div_and_round_double): Likewise.
340 (tree_floor_log2, compare_tree_int): New functions.
341 (preserve_rtl_expr_temps): New declaration.
342 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
343 (decl_attributes): Use tree_log2 to find alignment.
344 Check for TREE_INT_CST_HIGH for format args.
345 (min_precision): Now unsigned.
347 (truthvalue_conversion): Delete long-disabled code.
348 * c-decl.c (finish_struct): Clean up tests on field width.
349 (finish_function): Use compare_tree_int.
350 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
351 * c-typeck.c (comptypes): Use tree_int_cst_equal.
352 (default_conversion, digest_init): Use compare_tree_int.
353 (build_binary_op): Use integer_all_onesp and compare_tree_int.
354 Fix type errors in forming masks.
355 * calls.c (initialize_argument_information): Use compare_tree_int.
356 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
357 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
358 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
359 (store_field): Use compare_tree_int.
360 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
361 (expand_expr, case ARRAY_REF): Use compare_tree_int.
362 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
363 (do_store_flag): Use compare_tree_int.
364 * fold-const.c (encode, decode): Low part is always unsigned.
365 (force_fit_type, add_double, neg_double, mul_double): Likewise.
366 (lshift_double, rshift_double, lrotate_double): Likewise.
367 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
368 (fold_convert): Use compare_tree_int.
369 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
370 (invert_truthvalue, case INTEGER_CST): Likewise.
371 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
372 * mkdeps.c (deps_dummy_targets): Make I unsigned.
373 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
374 (lshift_double, rshift_double, lrotate_double, rrotate_double):
376 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
377 (expand_end_case): Use compare_tree_int.
378 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
379 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
380 (layout_decl): Likewise.
381 (layout_record, layout_union): Make sizes unsigned.
382 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
383 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
384 * tree.c (struct type_hash): hashcode is unsigned.
385 (build_type_attribute_variant, type_hash_list): Likewise.
386 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
387 (attribute_hash_list, build_array_type, build_method_type): Likewise.
388 (build_complex_type): Likewise.
389 (real_value_from_int_cst): Remove unneeded casts.
390 (integer_all_onesp): Add casts.
391 (tree_floor_log2, compare_tree_int): New functions.
392 (build_index_type): Use tree_int_cst_sgn.
393 * varasm.c (assemble_variable): Use compare_tree_int.
395 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
397 * cpphash.c (collect_expansion): Also catch ## at start of macro.
399 * varasm.c (make_decl_rtl): Don't add a number to members of
401 (make_function_rtl): Likewise.
403 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
405 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
406 patch from 2000-01-28.
408 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
410 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
411 filled with an insn from the jump target.
413 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
415 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
416 (c4x_external_ref): Likewise.
417 * config/c4x/c4x.c (struct name_list): Likewise.
419 1999-12-16 Ben Collins <bcollins@debian.org>
421 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
422 argument to genmultilib.
423 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
424 the contents into the multilib.h header.
425 * gcc.c: Declare multilib_exclusions for the specs file.
426 (set_multilib_dir): Use it.
427 (print_multilib_info): Likewise.
428 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
429 to pass to genmultilib.
431 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
433 * builtins.c (built_in_class_names, built_in_names): Constify a
436 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
438 (_mcleanup): Ensure value matches format specifier in sprintf.
440 * cpphash.c (special_symbol): Don't needlessly cast away
443 * cppinit.c (base_name): Delete unused prototype.
445 * mkdeps.c (deps_init): Make definition K&R safe.
447 * tree.h (built_in_class_names, built_in_names): Constify a
450 2000-03-06 Jakub Jelinek <jakub@redhat.com>
452 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
453 floating point instructions for epilogue delay.
455 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
456 to gas if it supports .register pseudo.
458 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
459 LONG_DOUBLE_TYPE_SIZE if not defined.
460 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
461 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
463 * gengenrtl.c: Likewise.
464 * print-rtl.c: Likewise.
466 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
467 MASK_LONG_DOUBLE_128.
468 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
469 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
470 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
471 (SUBTARGET_SWITCHES): Define.
472 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
473 with -mlong-double-128.
474 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
475 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
476 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
477 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
478 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
479 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
480 with -mlong-double-128.
481 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
482 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
483 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
484 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
485 TARGET_LONG_DOUBLE_128): Define.
486 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
487 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
488 long double on TARGET_ARCH64.
490 2000-03-06 Mark Mitchell <mark@codesourcery.com>
492 * function.c (free_temps_for_rtl_expr): Don't free slots
493 that have been pushed into a higher level.
496 2000-03-05 Mark Mitchell <mark@codesourcery.com>
498 2000-03-05 Mark Mitchell <mark@codesourcery.com>
500 * basic-block.h (ALLOCA_REG_SET): Remove.
501 (INITIALIZE_REG_SET): New macro.
502 * flow.c (update_life_info): Use it.
503 (calculate_global_regs_live): Likewise.
504 (propagate_block): Likewise.
505 * global.c (build_insn_chain): Likewise.
506 * haifa-sched.c (schedule_region): Likewise.
508 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
510 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
511 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
512 (DWARF_ARANGES_PAD_SIZE): New define.
513 (output_aranges): Use it to pad the address range header.
514 (DWARF_ROUND): Fix for non power of 2 rounding.
516 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
518 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
520 2000-03-05 Mark Mitchell <mark@codesourcery.com>
522 * tree.def (RTL_EXPR): Update documentation.
523 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
524 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
525 * function.c (preserve_rtl_expr_temp): New function.
526 (preserve_rtl_expr_temps): Likewise.
527 (preserve_rtl_expr_result): Use it.
530 2000-03-04 Mark Mitchell <mark@codesourcery.com>
532 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
534 * regmove.c (copy_src_to_dest) Do not create src->dest move
535 for unchanging destination.
537 2000-03-04 Mark Mitchell <mark@codesourcery.com>
539 * function.h (struct sequence_stack): Remove rtl_expr.
540 (struct emit_staus): Likewise.
541 (seq_rtl_expr): Remove.
542 * tree.h (free_temps_for_rtl_expr): Don't declare.
543 (start_sequence_for_rtl_expr): Likewise.
544 * rtl.h (preserve_rtl_expr_result): Likewise.
545 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
546 (start_sequence_for_rtl_expr): Remove.
547 (push_topmost_sequence): Don't save sequence_rtl_expr.
548 (pop_topmost_sequence): Remove comment about not restoring it.
549 (end_sequence): Don't set seq_rtl_expr.
550 (init_emit): Don't initialize it.
551 (mark_sequence_stack): Don't mark it.
552 (mark_emit_status): Likewise.
553 * except.c (protect_with_terminate): Use
554 start_sequence_for_rtl_expr, not start_sequence.
555 * expr.c (expand_expr, case RTL_EXPR): Don't call
556 preserve_rtl_expr_result or free_temps_for_rtl_expr.
557 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
558 (preserve_rtl_expr_result): Remove.
559 (free_temps_for_rtl_expr): Likewise.
560 (pop_temp_slots): Likewise.
561 (mark_temp_slot): Don't mark the rtl_expr.
562 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
563 start_sequence_for_rtl_expr.
565 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
567 * mkdeps.c, mkdeps.h: New files.
568 * po/POTFILES.in: Add them.
569 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
570 (cpplib.o, cppinit.o): Depend on mkdeps.h.
571 (mkdeps.o): New target.
573 * cppfiles.c: Delete deps_output.
574 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
575 OBJECT_SUFFIX, and base_name.
576 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
578 (initialize_dependency_output): Use deps_init,
579 deps_add_target, deps_calc_target, and deps_add_dep. Remove
580 all the unnecessary string bashing.
581 (cpp_finish): Use deps_write. Remove an unnecessary nesting
583 * cpplib.c (do_include): Use deps_add_dep.
584 * cpplib.h (struct cpp_reader): Replace deps_buffer,
585 deps_allocated_size, deps_size, deps_column members with
586 single pointer to a struct deps. Delete prototype of
589 * cppinit.c: Fix thinko in previous patch.
591 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
593 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
594 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
595 (mode_for_size_tree): New function.
596 (layout_decl, layout_type): Call it and clean up BLKmode checks.
597 * tree.h (mode_for_size_tree): New declaration.
599 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
601 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
603 * stmt.c (is_body_block): Move...
604 * dwarfout.c, dwarf2out.c: ...from here.
605 * tree.h: Declare it.
606 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
607 * final.c (final_start_function): Do call remove_unnecessary_notes
610 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
612 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
614 * cpplib.h (_dollar_ok): New macro.
615 (is_idchar, is_idstart): Use it.
616 (IStable): Rename to _cpp_IStable. Declare it const if
617 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
618 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
619 is_space): Update for renamed IStable.
621 * cppinit.c: Delete all references to FAKE_CONST and CAT
622 macros. Define init_IStable as empty macro if gcc >=2.7 or
623 C99. Change TABLE() to ISTABLE and hardcode name of table.
624 (cpp_start_read): Don't change the IStable based on
627 * cpphash.c (unsafe_chars): Add pfile argument. All callers
628 changed. Handle '$' for char1 correctly.
629 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
631 * cppexp.c (tokentab2): Make const.
632 (cpp_lex): Make toktab const.
633 * cppinit.c (include_defaults_array): Make const.
634 (initialize_standard_includes): Make default_include const.
636 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
638 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
639 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
640 (gen_decl_die): Likewise.
641 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
642 (output_decl): Likewise.
644 * varasm.c (make_function_rtl): If we change the name used in the
645 rtl, update DECL_ASSEMBLER_NAME accordingly.
646 (make_decl_rtl): Likewise.
648 * toplev.c (rest_of_compilation): Tweak formatting.
650 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
651 remove_unnecessary_notes.
652 (debug_ignore_block): New fn.
653 * toplev.h: Declare it.
654 * emit-rtl.c (remove_unncessary_notes): Call it.
655 * dwarf2out.c (dwarf2out_ignore_block): New fn.
656 * dwarf2out.h: Declare it.
657 * final.c (final_start_function): Don't call remove_unnecessary_notes
658 if we did insn scheduling.
660 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
662 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
663 * cpplib.h: Delete SET_CPP_PEDANTIC.
665 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
667 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
668 result is a RECORD_TYPE.
670 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
672 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
674 2000-03-03 Richard Henderson <rth@cygnus.com>
676 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
677 addition over compliments over shifts.
679 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
681 * reload1.c (reload_combine_note_use): Handle return register USEs.
682 REG case: Handle multi-hard-register hard regs.
684 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
686 * md.texi: Document use of '*' in insn pattern name.
688 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
690 * calls.c (special_function_p): operator new may not be malloc-like.
692 * gcse.c (dump_hash_table): Really fix error in last change.
694 2000-03-02 Denis Chertykov <denisc@overta.ru>
696 * avr.c (print_operand): Use print_operand_address instead of
698 * avr/libgcc.S: Cleanup code.
700 2000-03-02 Richard Henderson <rth@cygnus.com>
702 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
704 2000-03-02 Mark Mitchell <mark@codesourcery.com>
706 * tree.h (TYPE_ALIGN_UNIT): New macro.
708 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
710 * i386.c: (constant_call_address_operand): Reject CONST_INT.
712 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
714 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
716 (SET_CPP_PEDANTIC): New macro.
717 * cpplib.c (do_include): Don't bother checking system_header_p.
718 (do_warning, do_ident, do_assert, do_unassert): Likewise.
719 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
721 * function.h (struct expr_status): Add x_arg_space_so_far.
722 (arg_space_so_far): New macro.
723 * expr.c (init_expr): Initialize it.
724 * calls.c (emit_call_1): Reset it.
725 (compute_argument_block_size, expand_call): Use it.
726 (expand_call, store_one_arg): Increment it.
728 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
730 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
733 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
735 * cppfiles.c (cpp_read_file): New function.
737 * cpphash.c (collect_expansion): Make sure to reset last_token
738 to NORM when we hit a string. Handle trailing whitespace
739 properly when the expansion is empty.
740 (create_definition): Disable line commands while parsing the
742 (dump_definition): If pfile->lineno == 0, output a line
743 command ahead of the dump, and add a trailing newline.
745 * cppinit.c (append_include_chain): Add fifth argument, which
746 indicates whether or not system headers are C++ aware.
747 (initialize_standard_includes): New function,
748 broken out of read_and_prescan. Pass 'cxx_aware' value from
749 the include_defaults_array on to append_include_chain.
750 (dump_special_to_buffer): Const-ify char array.
751 (builtin_array): Don't dump __BASE_FILE__.
752 (cpp_start_read): Use cpp_read_file. Reorder code for
753 clarity. Don't output line commands here for -D/-A/-U
754 switches. Don't call deps_output for files included with
755 -include or -imacros.
757 * cpplib.c (do_define): Don't pay any attention to the second
759 (cpp_expand_to_buffer): Disable line commands while scanning.
760 (output_line_command): Work in the file buffer.
761 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
762 Fix formatting of comments. Prototype cpp_read_file.
764 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
766 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
767 reference the language-equivalent of sizetype.
768 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
769 * fold-const.c (size_binop, size_diffop): Put back checks.
770 * gcse.c (dump_hash_table): Fix minor error in last change.
771 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
772 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
775 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
777 * calls.c (expand_call) Do not attempt to combine stack adjustments
778 with inhibit_defer_pop set.
780 2000-03-01 Mark Mitchell <mark@codesourcery.com>
782 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
783 the DECL_SIZE for a FIELD_DECL.
785 2000-03-01 Bruce Korb <bkorb@gnu.org>
787 * fixinc/inclhack.tpl: remove unused symlinks
788 * fixinc/README: GCC Maintainer info
789 * fixinc/inclhack.sh: regen
790 * fixinc/fixincl.sh: regen
792 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
794 * cpphash.c (collect_expansion): Trim trailing white space
795 from macro definitions, but don't go past the last insertion
798 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
800 * i386.md (mulqi3): New pattern.
802 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
804 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
806 (struct cpp_reader): Add parsing_if_directive and
807 parsing_define_directive flags.
808 (struct cpp_options): Remove output_conditionals flag.
809 (check_macro_name): Delete prototype.
811 * cpphash.h (struct macrodef): Delete.
812 (struct reflist): Separate from struct definition.
813 (struct definition): Remove unused fields. Add column number.
814 (create_definition): Returns a DEFINITION *. Takes a
815 cpp_reader * and an int.
817 * cpphash.c (SKIP_WHITE_SPACE): Delete.
818 (PEEKC): Copy defn from cpplib.c.
819 (rest_extension, REST_EXTENSION_LENGTH): Delete.
821 (struct arglist): Simplify.
822 (collect_expansion): Rewrite. Get tokens by calling
823 cpp_get_token. Add more error checking.
824 (collect_formal_parameters): New function, broken out of
825 create_definition and reworked to use get_directive_token.
826 (create_definition): All real work is now in collect_expansion
827 and collect_formal_parameters. do_define handles finding the
828 macro name. Return a DEFINITION, not a MACRODEF.
829 (macroexpand): Replace bcopy with memcpy throughout. Replace
830 character-at-a-time copy loop with memcpy and pointer increments.
831 (compare-defs): d1->argnames / d2->argnames might be null.
833 * cpplib.c (copy_rest_of_line): Delete function.
834 (skip_rest_of_line): Do all the work ourselves.
835 (skip_string): New function.
836 (parse_string): Use skip_string.
837 (get_macro_name): New function.
838 (check_macro_name): Delete.
839 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
840 (cpp_skip_hspace): Use CPP_BUMP_LINE.
841 (handle_directive): ICE if we're called on a macro buffer.
842 (do_define): Determine macro name and type (funlike/objlike)
843 here. Expunge all uses of MACRODEF.
844 (cpp_push_buffer): Set line_base to NULL.
845 (do_undef, read_line_number): Don't worry about getting a POP token.
846 (eval_if_expression): Set/reset parsing_if_directive around
847 cpp_parse_expr. Don't clear only_seen_white.
848 (skip_if_group): Remove output_conditionals logic. Use
850 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
851 tokens under appropriate conditions.
852 (cpp_unassert): Call do_unassert not do_assert. Oops.
854 * cppexp.c (parse_defined): New function, break out of
856 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
857 ourselves, with cpp_defined.
858 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
860 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
861 * gcc.dg/strpaste-2.c: New.
863 2000-02-29 Mark Mitchell <mark@codesourcery.com>
865 * fold-const.c (size_binop): Don't asert inputs are the same and
866 have TYPE_IS_SIZETYPE set.
867 (size_diffop): Likewise.
869 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
871 * dwarfout.c (output_block): Output abstract blocks even if they
872 don't have TREE_ASM_WRITTEN set.
874 * calls.c (emit_library_call): Check for null REG.
876 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
878 * c-decl.c (current_function_decl): Move to toplev.c.
879 (init_decl_processing): Don't add current_function_decl as a ggc
881 * dbxout.c (dbxout_symbol): Change return type to int.
882 (dbxout_symbol_location, dbxout_syms): Likewise.
883 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
884 any locals. Use current_function_func_begin_label if set.
885 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
886 * dwarf2out.c (dwarf2out_begin_prologue): Set
887 current_function_func_begin_label.
888 * final.c (final_start_function): Reset it.
889 * toplev.c (current_function_decl): Define it here.
890 (current_function_func_begin_label): New variable.
891 (main): Add both as ggc roots.
892 * tree.h (current_function_func_begin_label): Declare.
894 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
896 * gcse.c: Cleanups throughout: mostly white-space, but also
897 some minor rearrangement of code.
899 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
901 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
902 returns a PARALLEL. Use emit_group_load and use_group_regs
904 (emit_library_call_value): Similarly.
906 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
907 * pa/quadlib.asm: Remove.
908 * pa/quadlib.c: New file.
910 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
911 * configure: Rebuilt.
913 2000-02-29 Philip Blundell <pb@futuretv.com>
915 * config/arm/conix-elf.h: New file.
916 * configure.in (arm*-*-conix*): New configuration.
917 * configure: Regenerate.
919 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
921 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
922 don't have TREE_ASM_WRITTEN set.
924 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
926 * Eliminate DECL_FIELD_SIZE.
927 * builtins.c (built_in_class_names, built_in_names): New variables.
928 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
929 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
930 DECL_SIZE, not DECL_FIELD_SIZE.
931 * print-tree.c (print_node): Remove code that prints extra blank
933 Properly handle inline and builtin function cases.
934 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
935 * tree.h (built_in_class_named, built_in_names): New declarations.
936 (union tree_decl): Rename internal unions to u1 and u2 and change
937 some of their components.
938 Add new field built_in_class.
939 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
940 Reflect above changes.
941 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
942 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
943 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
944 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
946 2000-02-28 Dmitri Makarov <dim@windriver.com>
948 * extend.texi: Document ARM's support for long/short calls.
950 * invoke.texi: Document ARM's -mlong-calls command line switch.
952 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
953 (arm_encode_call_attribute): Add prototype.
954 (arm_set_default_type_attribute): Add prototype.
955 (arm_strip_name_encoding): Add prototype.
957 * config/arm/arm.c (arm_init_cumulative_args): replace
958 initialisation og 'long_calls' field with initialisation of
960 (enum arm_pragma_enum): New enum.
961 (arm_pragma_long_calls): New static variable.
962 (arm_process_pragma): Also process "#pragma long_calls_off".
963 (arm_valid_type_attribute_p): Accept short_call attribute.
964 (arm_comp_type_attributes): Check long/short call attributes.
965 (arm_encode_call_attribute): New function: Encode long_call
966 or short_call attribute in function name.
967 (arm_set_default_type_attributes): New function: Assign
968 default attributes to newly defined type.
969 (current_file_function_operand): New function: Return true if
970 the symbol is a function which has already been compiled.
971 (arm_is_longcall_p): New function: Return true if the
972 indicated function should be called via a long call.
973 (arm_get_strip_length): New function. Returns number of
974 prefix characters to be stripped from a function's name.
975 (arm_strip_name_encoding): New function. Strip prefix characters
976 from a function's name.
978 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
980 (SHORT_CALL_FAG_CHAR): Define.
981 (LONG_CALL_FAG_CHAR): Define.
982 (ENCODED_SHORT_CALL_ATTR_P): Define.
983 (ENCODED_LONG_CALL_ATTR_P): Define.
984 (ARM_NAME_ENCODING_LENGTHS): Define.
985 (STRIP_NAME_ENCODING): Define.
986 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
987 (ARM_ENCODE_CALL_TYPE): Define.
988 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
989 (ARM_DECLARE_FUNCTION_SIZE): Define.
990 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
992 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
993 if a long call is needed.
995 (call_symbol): Ditto.
997 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
998 ARM_DECLARE_FUNCTION_SIZE.
1000 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
1001 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
1002 (ARM_STRIP_NAME_ENCODING): Undefine.
1003 (STRIP_NAME_ENCODING): Undefine.
1004 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
1005 (ASM_DECLARE_FUNCTION_NAME): Ditto.
1006 (ASM_OUTPUT_COMMON): Ditto.
1007 (ASM_DECLARE_OBJECT_NAME): Ditto.
1009 * config/arm/pe.c (arm_dllexport_name_p): Check for
1011 (arm_dllimport_name_p): Ditto.
1012 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
1013 (arm_mark_dllimport): Ditto.
1015 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1017 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
1019 2000-02-28 Mark Mitchell <mark@codesourcery.com>
1021 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
1023 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
1025 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
1026 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
1027 NO_BUILTIN_WCHAR_TYPE is not defined.
1028 (CPP_WCHAR_TYPE): Delete.
1029 * cccp.c (main): Don't change wchar_type if cplusplus.
1030 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
1032 2000-02-28 Nick Clifton <nickc@cygnus.com>
1034 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
1036 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
1038 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
1039 (ASM_WEAKEN_LABEL): Define.
1041 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
1043 * expr.c (store_constructor): Do not emit USE.
1044 * rtl.h (stupid_life_analysis): Remove.
1046 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1048 * function.c (number_blocks): Reset next_block_index based on
1049 what debugging format is used, not what is defined.
1051 * lcm.c: Minor reformatting throughout.
1052 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
1054 * toplev.c (rest_of_compilation): Account for time in
1055 optimize_mode_switching.
1057 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
1058 if only marking labels.
1060 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
1062 * calls.c (expand_call): Attempt to combine stack adjustments with
1063 pending stack adjustments.
1065 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1067 * loop.c (reg_in_basic_block_p): Don't abort when falling through
1068 to the end of the function.
1070 2000-02-27 Mark Mitchell <mark@codesourcery.com>
1072 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
1074 * final.c (next_block_index): Remove.
1075 (max_block_depth): Likewise.
1076 (pending_blocks): Likewise.
1077 (init_final): Don't initialize them.
1078 (final_start_function): Don't set next_block_index. Set up
1080 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
1081 * function.h (number_blocks): New function.
1082 * function.c (get_block_vector): New function.
1083 (identify_blocks): Use it.
1084 (reorder_blocks): Set NOTE_BLOCK.
1085 (number_blocks): New function.
1086 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
1087 * tree.h (BLOCK_NUMBER): New macro.
1088 (tree_block): Add block_num field.
1089 * dbxout.c (next_block_number): Remove.
1090 (dbxout_init): Don't set it.
1091 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
1092 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
1094 * toplev.c (rest_of_compilation): Always call
1095 find_loop_tree_blocks. Fix indentation.
1096 * dwarf2out.c (next_block_number): Remove.
1097 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
1098 to determine block numbers.
1099 (gen_inlined_subroutine_die): Likewise.
1100 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
1101 (decls_for_scope): Don't increment next_block_number.
1102 * dwarfout.c (next_block_number): Remove.
1103 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
1104 to determine block numbers.
1105 (output_inlined_subroutine_die): Likewise.
1106 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
1107 (output_decls_for_scope): Don't increment next_block_number.
1108 * sdbout.c (next_block_number): Remove.
1109 (sdbout_block): Use BLOCK_NUMBER.
1110 (sdbout_begin_block): Simplify.
1111 * xcoffout.c (next_block_number): Remove.
1112 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
1113 (xcoffout_begin_block): Don't set next_block_number.
1114 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
1117 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1119 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
1120 (expand_builtin_strcpy): Pass correct type to size_binop.
1121 (expand_builtin_strcmp): Likewise.
1122 Clean up conditional structure.
1123 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
1124 (complete_array_type): Don't use size_binop for MAXINDEX.
1125 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
1126 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
1127 (c_alignof): Use size_one_node.
1128 (build_unary_op): Pass arg of proper type to size_binop.
1129 (really_start_incremental_init, push_init_level): Use sizetype for
1130 constructor{,_bit,_unfilled}_index.
1131 (pop_init_label, output_init_element): Likewise.
1132 (output_pending_init_elements, process_init_element): Likewise.
1133 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
1134 * expr.c (store_expr): Use size_int.
1135 (store_constructor): Use proper types for size_binop args.
1136 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
1137 (expand_expr_unaligned): Likewise.
1138 (string_contant): Return object of sizetype.
1139 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
1140 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
1141 (ARGS_SIZE_TREE): Pass proper types to size_binop.
1142 * fold-const.c (int_const_binop): Refine when size_int is called.
1143 (fold_convert): Likewise.
1144 (size_int_wide): Rework to take KIND as arg, only take low order
1145 bits, handle new sizetype_tab datatype, and chain entries in
1147 (size_int_type_wide): New function.
1148 (size_binop): Validate types of arguments.
1149 (ssize_binop): Deleted.
1150 (size_diffop): New function.
1151 (extract_muldiv): Only fold division into multiplication for sizetypes.
1152 * function.c (assign_parms): Use size_diffop and make sure
1153 VAR field is of ssizetype; also pass proper type to size_binop.
1154 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
1155 (round_down): Deleted from here.
1156 * store-layout.c (sizetype_tab): Now an array.
1157 (sizetype_set, early_root_list): New variables.
1158 (variable_size): Use size_one_node.
1159 (round_up): Pass proper type to size_binop.
1160 (round_down): Moved to here and corrected as above.
1161 (layout_record): Pass proper arg types to size_binop.
1162 (layout_type): Likewise.
1163 If sizetype_set is zero, record the type just laid out.
1164 (make_unsigned_type): Don't call set_sizetype;
1165 (make_signed_type): Likewise; also, call fixup_signed_type.
1166 (initialize_sizetypes): New function.
1167 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
1168 set name of bitsizetype to "bit_size_type".
1169 Fix up type of sizes of all types made before call.
1170 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
1171 * tree.c (fix_sizetype): Deleted.
1172 (build_common_tree_nodes): Call initialize_sizetypes.
1173 (build_common_tree_nodes_2): Don't call fix_sizetype.
1174 * tree.h (TYPE_IS_SIZETYPE): New macro.
1175 (initialize_sizetype): New declaration.
1176 (enum size_type_kind): New type.
1177 (struct sizetype_tab): Deleted.
1178 (sizetype_tab): Now array; adjust sizetype macros.
1179 (size_diffop, size_int_type_wide): New functions.
1180 (size_int_wide): Change number of args and type; access macros changed.
1181 (ssize_int, sbitsize_int): New macros.
1182 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
1183 (ROUND_TYPE_SIZE_UNIT): New macro.
1185 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
1187 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
1189 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1191 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
1192 Mark as possibly unused.
1194 * cse.c (cse_insn): Delete dead code involving tablejump.
1195 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
1197 * Makefile.in (libcpp.a): Start by deleting it.
1199 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1201 * cpplib.h (enum file_change_code): Added rename_file.
1202 * cpplib.c (do_line): If a filename is given, set file_change to
1204 (output_line_command): If file_change is rename_file, always
1205 output a # directive with the file name.
1207 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
1209 2000-02-26 Mark Mitchell <mark@codesourcery.com>
1211 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
1212 when copying a PARM_DECL or RESULT_DECL.
1214 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1216 * fix-header.c (recognized_function): Also fix prototypes for
1217 functions taking "void".
1219 2000-02-26 Geoff Keating <geoffk@cygnus.com>
1221 * reload1.c (do_output_reload): Check reg_reloaded_valid before
1222 looking at reg_reloaded_contents.
1224 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
1226 * Makefile.in (STMP_FIXINC): New toggle.
1227 (LIBGCC2_DEPS): Delete all references.
1228 (stmp-headers): Delete target. All references either deleted
1229 or changed to stmp-int-headers.
1230 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
1231 (LIBCPP_OBJS): Take out cppalloc.o.
1232 (cppalloc.o): Delete target.
1233 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
1234 (gen-protos, fix-header): Link with libiberty.a.
1235 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
1238 * configure.in: Remove refs to strerror.
1239 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
1240 * system.h: Take out strerror stanza.
1242 * cpperror.c (my_strerror): Delete function.
1243 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
1244 * cppmain.c (main): Call xmalloc_set_program_name first thing.
1245 * cppalloc.c: Delete file.
1246 * gen-protos.c: Don't provide xrealloc.
1248 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
1249 xstrerror throughout.
1251 2000-02-26 Bruce Korb <bkorb@gnu.org>
1253 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
1254 match for DOS headers, too.
1255 * fixinc/inclhack.sh,fixincl.x: Regenerate.
1257 2000-02-26 Geoff Keating <geoffk@cygnus.com>
1259 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
1260 is right for most ELF targets.
1261 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
1262 Let the default file use %U properly.
1263 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
1266 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
1269 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1271 * toplev.c (documented_lang_options): Correct spelling error.
1272 (decode_d_option, decode_f_option, main): Likewise.
1274 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
1276 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
1277 to tell assembler it is permitted to expand large constants.
1279 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
1281 * protoize.c: (AUX_INFO_SUFFIX): New macro.
1282 (aux_info_suffix): Use.
1283 (SAVE_SUFFIX): New macro.
1285 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
1286 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
1287 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
1289 * invoke.texi (Running Protoize): Update documentation.
1291 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
1293 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
1295 2000-02-25 John Wehle (john@feith.com)
1297 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
1299 2000-02-25 Anthony Green <green@cygnus.com>
1301 * toplev.c (rest_of_compilation): Rebuild jump labels if
1302 combine_instructions has created a new direct jump.
1303 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
1305 (combine_instructions): Call try_combine with new argument.
1306 Return non-null value when new direct jump instruction is created.
1307 * rtl.h: combine_instructions returns an int.
1309 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
1311 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
1312 jump when changing a computed jump into a jump to a known
1315 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
1317 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
1318 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
1320 * i386.md (define_expand "clrstrsi"): Fix typo.
1322 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
1324 * rtl.texi: Fix typo.
1326 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1328 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
1329 UNITS_PER_WORD. Change caller initial_elimination_offset.
1330 (rounded_frame_size): Take into account that argument pushed has
1331 changed. Fix TARGET_ALIGN_DOUBLE problem.
1333 2000-02-25 Geoff Keating <geoffk@cygnus.com>
1335 * haifa-sched.c (schedule_block): Explain the real reason
1336 we delete REG_SAVE_NOTEs on the first insn of a block.
1337 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
1339 2000-02-24 Mark Mitchell <mark@codesourcery.com>
1341 * input.h (push_srcloc): New function.
1342 (pop_srcloc): Likewise.
1343 * toplev.c (push_srcloc): Define it.
1344 (pop_srcloc): Likewise.
1346 2000-02-24 Richard Henderson <rth@cygnus.com>
1348 * flow.c (life_analysis): When collecting reg info, clear
1351 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1353 Fix bug exposed by reload.c no longer rounding the frame
1354 size to BIGGEST_ALIGNMENT:
1355 * sh.c (rounded_frame_size): New function.
1356 (sh_expand_prologue, sh_expand_epilogue): Use it.
1357 (initial_elimination_offset): Likewise.
1359 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1361 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
1362 * sh-protos.h (sh_need_epilogue): Declare.
1363 * sh.c (sh_need_epilogue_known): New static variable.
1364 (sh_need_epilogue): New function.
1365 (function_epilogue): Clear need_epilogue_known.
1366 * sh.md (return): Split into expander / insn pattern.
1367 Make the expander conditional on ! sh_need_epilogue ().
1369 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
1371 * machmode.h (get_mode_alignment): Declare.
1372 (GET_MODE_ALIGNMENT): Call it.
1373 * stor-layout.c (get_mode_alignment): New function. Make
1374 sure alignment is always power of 2.
1376 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
1378 * i386.h: Remove useless definition of "I386" and misleading
1381 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
1383 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
1384 under which TREE_PERMANENT will be set.
1385 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
1386 build1): Use TREE_SET_PERMANENT.
1387 * print-tree.c (print_node): Don't report value of
1388 TREE_PERMANENT if ggc_p is true.
1390 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
1391 decide whether to give a type a new alias set.
1392 * objc/objc-act.c (build_objc_string_object): Never copy the string.
1393 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
1394 of value of 'obstack'.
1397 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1399 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
1401 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1403 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
1404 * cpplib.c (cpp_get_token): Produce them.
1405 * cppexp.c (cpp_lex): Handle them.
1407 2000-02-23 Nick Clifton <nickc@cygnus.com>
1409 * config/arm/arm.c (arm_comp_type_attributes): Simply and
1410 comment tests on type attributes.
1412 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1414 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
1415 conform to documentation.
1416 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
1417 to check for special cases.
1418 * sh-protos.h (sh_loop_align): Declare.
1419 * sh.c (sh_loop_align): Define.
1421 2000-02-22 Andrew Haley <aph@cygnus.com>
1423 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
1424 (SIZE_TYPE): Is 32 bits when using -mgp32.
1425 (PTRDIFF_TYPE): Ditto.
1427 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1429 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
1431 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
1433 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
1434 BIGGEST_FIELD_ALIGNMENT a constant.
1436 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
1438 * dwarf2out.c (output_line_info): Put the marker for the end of
1439 the line number info at the actual end.
1440 (gen_struct_or_union_type_die): Use decl_function_context
1441 to check for local classes.
1442 * dwarfout.c (output_type): Likewise.
1444 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
1446 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
1447 for arguments with a mode, but no type.
1448 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
1449 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
1450 * pa/long_double.h: New file.
1451 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
1452 both have 128bit wide long doubles.
1453 * configure: Rebuilt.
1455 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1457 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
1459 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
1460 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
1461 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
1463 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
1465 * integrate.c (compare_blocks, find_block): Likewise.
1467 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
1469 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
1471 * stmt.c (stmt_status, set_file_and_line_for_stmt,
1472 expand_asm_operands): Likewise.
1474 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
1476 * predict.c (estimate_probability): Added the pointer heuristic to
1477 the collection of static branch predictors.
1479 2000-02-21 Catherine Moore <clm@cygnus.com>
1481 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
1482 * invoke.texi (-mfix7000): Document.
1484 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
1486 * diagnostic.c (init_output_buffer): Make it possible to output at
1487 least 32 characters if we're given a too long prefix.
1489 2000-02-20 Mark Mitchell <mark@codesourcery.com>
1491 * varasm.c (initializer_constant_valid_p): Call
1492 lang_expand_constant to simplify the constant.
1494 2000-02-20 Bruce Korb <bkorb@gnu.org>
1496 * fixinc/inclhack.def(stdio_va_list):
1497 typedef needs to be disabled.
1498 * fixinc/inclhack.sh: regen
1499 * fixinc/fixincl.x: regen
1501 2000-02-20 Geoff Keating <geoffk@cygnus.com>
1503 * print-rtl.c (print_rtx): Don't print addresses when
1504 flag_dump_unnumbered.
1506 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1508 * sparc.c (sparc_output_scratch_registers): Mark parameter with
1510 (sparc_va_arg, sparc_flat_output_function_prologue,
1511 sparc_flat_output_function_epilogue): Cast value to unsigned in
1513 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
1515 * sparc.md: Add default case in switch.
1517 2000-02-19 Richard Henderson <rth@cygnus.com>
1519 * c-typeck.c (add_pending_init): Don't abort for multiple
1520 fields at the same offset.
1521 (pending_init_member): Test the correct member.
1523 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
1525 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
1527 (start_catch_handler) : Same.
1529 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
1531 * Makefile.in: Have flow.o depend on $(EXPR_H)
1533 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1535 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
1536 * c-decl.c (duplicate_decls, finish_enum): Likewise.
1537 (finish_decl): Remove -Wlarger-than code from here.
1538 * flags.h (id_clash_len): Now int.
1539 (larger_than_size): Now HOST_WIDE_INT.
1540 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
1541 Clean up checking to see if in table.
1542 (make_bit_field_ref): Remove extra parm to bitsize_int.
1543 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
1544 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
1545 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
1546 and for computing size of decl.
1547 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
1548 Move -Wlarger-than code to here.
1549 (layout_record): Remove extra arg to bitsize_int.
1550 Set TYPE_BINFO_SIZE_UNIT.
1551 (layout_union): Remove extra arg to bitsize_int.
1552 Use proper type for size of QUAL_UNION.
1553 (layout_type): Remove extra arg to bitsize_int.
1554 * toplev.c (id_clash_len): Now int.
1555 (larger_than_size): Now HOST_WIDE_INT.
1556 (decode_W_option): Clean up id-clash and larger-than- cases.
1557 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
1558 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
1559 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
1560 (struct tree_decl): New field size_unit.
1561 (size_int_wide): No HIGH operand; NUMBER is now signed.
1562 (size_int_2): Deleted.
1563 (size_int, bitsize_int): Don't use it and rework args.
1564 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
1566 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
1568 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
1570 2000-02-18 Geoff Keating <geoffk@cygnus.com>
1572 * invoke.texi (Warning Options): Add an explanation of why
1573 you might want the -Wfloat-equal flag.
1575 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1577 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
1578 * cppinit.c (new_pending_define): Add cast to avoid warning.
1579 * expmed.c (extract_bit_field): Likewise.
1580 * flow.c (enum reorder_skip_type): New type.
1581 (skip_insns_between_blcok): New it.
1582 Rework to avoid warning about possibly undefined variable.
1583 * function.c (assign_parms): Make thisparm_boundary unsigned.
1584 * genrecog.c (write_switch): Cast XWINT result to int.
1585 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
1586 * mips-tfile.c (init_file): Make two versions of FDR intializer:
1587 one for MIPS and one for Alpha.
1588 (get_tag, copy_object): Add casts to avoid warnings.
1589 * optabs.c (init_one_libfunc): Cast NAME to (char *).
1590 * reload.c (find_reloads): Make TYPE enum reload_type.
1591 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
1592 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
1593 * varasm.c (compare_constant_1): Add cast to avoid warning.
1594 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
1596 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
1597 Cast switch operand of size to int.
1598 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
1599 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
1602 2000-02-18 Nick Clifton <nickc@cygnus.com>
1604 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
1605 anything for an alignment of zero.
1607 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
1608 anything for an alignment of zero.
1610 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
1612 * gcc.texi (Bug Reporting): Refer to bugs.html.
1613 (Bug Lists): Likewise.
1614 * system.h (GCCBUGURL): New preprocessor define.
1615 * rtl.c (fancy_abort): Use it.
1616 * gcc.c (main): Likewise.
1618 2000-02-18 Richard Henderson <rth@cygnus.com>
1620 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
1621 (life_analysis_1): Subsume into ...
1622 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
1623 Use update_life_info for the relaxation.
1624 (update_life_info): Update REG_BASIC_BLOCK for registers live on
1625 entry and regs_live_at_setjmp.
1626 (set_noop_p): Simplify.
1627 (notice_stack_pointer_modification_1): Renamed from s/_1//.
1628 (record_volatile_insns): Split into ...
1629 (delete_noop_moves): ... here,
1630 (notice_stack_pointer_modification): ... here,
1631 (insn_dead_p): ... and here.
1632 (propagate_block): Don't query INSN_VOLATILE.
1633 (mark_used_regs): Mind !PROP_REG_INFO.
1634 * toplev.c (rest_of_compilation): Call mark_constant_function here,
1635 not in life_analysis.
1637 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
1639 * loop.c (canonicalize_condition): New function,
1640 broken out of get_condition.
1641 (get_condition): Use it.
1642 * expr.h (canonicalize_condition): Prototype it.
1644 * tree.h (tree_int_cst_msb): Declare.
1645 * tree.c (tree_int_cst_msb): New function.
1647 2000-02-17 Mark Mitchell <mark@codesourcery.com>
1649 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
1652 * invoke.texi (-fmessage-length=n): Document.
1654 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
1656 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
1658 2000-02-17 Mark Mitchell <mark@codesourcery.com>
1660 * function.c (thread_prologue_and_epilogue_insns): Put a line note
1663 2000-02-17 Nick Clifton <nickc@cygnus.com>
1665 * config/arm/thumb.c: Replace includes of system headers with
1666 #include "system.h".
1668 2000-02-16 Richard Henderson <rth@cygnus.com>
1670 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
1671 Add crtbeginS.o and crtendS.o.
1672 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
1673 (ENDFILE_SPEC): Use crtendS.o.
1674 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
1676 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
1677 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
1679 (__dso_handle): New variable.
1680 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
1681 bias to __CTOR_END__.
1683 2000-02-16 Richard Henderson <rth@cygnus.com>
1685 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
1687 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
1689 * longlong.h (__clz_tab): Declare as static to match definition.
1691 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
1692 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
1693 (XREF_FILE_NAME): Define.
1695 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
1696 (EH_FRAME_SECTION_ASM_OP): Define.
1697 (IDENT_ASM_OP): Define.
1698 (TEXT_SECTION_ASM_OP): Define.
1700 (CTORS_SECTION_ASM_OP): Define.
1701 (CTOR_SECTION_FUNCTION): Use it.
1702 (DTORS_SECTION_ASM_OP): Define.
1703 (DTOR_SECTION_FUNCTION): Use it.
1705 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
1707 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
1710 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
1711 debug_bb_n): New functions.
1712 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
1713 * basic-block.h: Prototype new functions.
1715 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
1717 * configure.in: Add support for avr target.
1718 * configure: Rebuilt.
1720 * invoke.texi: Add AVR invocation docs.
1721 * install.texi: Add information about AVR.
1722 * md.texi: Add AVR constraint letters description.
1723 * extend.texi: Add description for AVR specific attributes.
1725 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
1727 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
1729 2000-02-16 Nick Clifton <nickc@cygnus.com>
1731 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
1732 (make_insn_raw): Move RTL check here.
1734 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1736 * version.c: Include gansidecl.h and version.h.
1738 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
1740 * configure.in (gcc_version): When setting, narrow search to
1741 lines containing `version_string'.
1743 * Makefile.in (mainversion): Likewise.
1744 (GCC_H): New variable.
1745 (gcc.h): Delete target.
1746 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
1747 (version.o): Depend on version.h.
1748 (dbxout.o): Don't depend on gcc.h.
1750 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
1751 Michael Meissner <meissner@cygnus.com>
1753 * md.texi (Simple Constraints): Add item about whitespace.
1754 * genoutput.c (strip_whitespace): New.
1755 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
1756 strip_whitespace for constraints.
1757 Test pointer using NULL, not 0.
1759 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
1761 * cpplib.c (do_line): Pedwarn for #line > 32767.
1763 * c-lex.c (readescape): Warn about '\x', but do not reject it.
1765 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
1767 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
1768 to default cpp spec.
1769 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
1770 * cpp.texi: Document __GNUC_PATCHLEVEL__.
1773 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
1776 2000-02-15 Denis Chertykov <denisc@overta.ru>
1778 * configure.in: Add support for avr target.
1780 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1782 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
1783 (sh_addr_diff_vec_mode): Don't declare.
1784 * sh.c (sh_addr_diff_vec_mode): Delete.
1786 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1788 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
1790 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1792 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
1793 (smulsi3_highpart_i): Name.
1794 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
1795 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
1796 (smulsi3_highpart, umulsi3_highpart): Likewise.
1798 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
1799 correctly independent of endianness.
1800 (mulsidi3, umulsidi3): Now define_insn. Hide details that
1801 confuse the optimizers.
1802 (mulsidi3+1, umulsidi3+1): New define_split.
1804 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
1806 * config/sh/sh.md: Guard insn splits against illegal registers.
1807 * config/sh/sh.h: Correct comment about macros.
1809 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1810 Andrew MacLeod <amacleod@cygnus.com>
1812 * Makefile.in (lcm.o): Depend on insn-attr.h.
1813 * basic-block.h (optimize_mode_switching): Declare.
1814 * lcm.c (tm_p.h, insn-attr.h): #include.
1815 (seginfo, bb_info): New structs.
1816 (antic, transp, comp, delete, insert) : New file-scope static variables.
1817 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
1818 (reg_becomes_live, optimize_mode_switching): Likewise.
1819 * tm.texi: Add description of mode switching macros.
1820 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
1822 * sh-protos.h (remove_dead_before_cse): Remove prototype.
1823 (fldi_ok, fpscr_set_from_mem): New prototypes.
1824 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
1825 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
1826 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
1827 (sh_flag_remove_dead_before_cse): Remove declaration.
1828 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
1829 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
1830 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
1831 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
1832 (barrier_align): Allow for JUMP_INSNS containing a parallel.
1833 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
1834 (fldi_ok): New function.
1835 (get_fpscr_rtx): Add fpscr_rtx as GC root.
1836 (emit_sf_insn): Only generate fpu switches when optimize < 1.
1837 (emit_df_insn): Likewise.
1838 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
1839 (sh_flag_remove_dead_before_cse): Delete.
1840 (get_free_reg, fpscr_set_from_mem): New functions.
1841 * sh.md (movdf, movsf): Remove no_new_pseudos code.
1842 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
1844 2000-02-15 Loren Rittle <ljrittle@acm.org>
1846 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
1848 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1850 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
1851 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
1853 * cccp.c: Include version.h and/or don't declare `version_string'.
1854 * collect2.c: Likewise.
1855 * alpha.c: Likewise.
1856 * arm/aof.h: Likewise.
1857 * arm/coff.h: Likewise.
1858 * arm/elf.h: Likewise.
1859 * arm/pe.h: Likewise.
1860 * arm/tcoff.h: Likewise.
1861 * arm/telf.h: Likewise.
1862 * arm/tpe.h: Likewise.
1863 * arm/vxarm.h: Likewise.
1864 * convex/convex.c: Likewise.
1865 * i386/dgux.c: Likewise.
1866 * i386/sun386.h: Likewise.
1867 * m88k/m88k.c: Likewise.
1868 * mcore/mcore-pe.h: Likewise.
1869 * mips/mips.h: Likewise.
1870 * romp/romp.h: Likewise.
1871 * sh/sh.c: Likewise.
1872 * cpphash.c: Likewise.
1873 * cppinit.c: Likewise.
1874 * dwarf2out.c: Likewise.
1875 * dwarfout.c: Likewise.
1878 * mips-tfile.c: Likewise.
1879 * protoize.c: Likewise.
1880 * toplev.c: Likewise.
1883 * version.c (version_string): Constify a char*.
1885 * version.h: New file.
1887 2000-02-14 Nick Clifton <nickc@cygnus.com>
1889 * configure.in: Add mcore-elf and mcore-pe targets.
1890 * configure: Regenerate.
1892 * NEWS: Add note that MCore port has been contributed.
1894 * invoke.texi: Document command line switches for MCore port.
1895 * install.texi: Add MCore to list of supported targets.
1897 2000-02-14 Geoff Keating <geoffk@cygnus.com>
1899 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
1900 then we will need to import the frame handling functions.
1901 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
1902 to import the frames themselves.
1904 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
1905 Jason Eckhardt <jle@cygnus.com>
1907 * basic_block.h: Added prototype for reorder_basic_blocks.
1908 * toplev.c: Changes to add -freorder-blocks and graph dump after
1909 block reordering is done.
1910 * flow.c (reorder_block_def): New structure for use during block
1912 (REORDER_BLOCK_*): New macros to access members of above structure.
1913 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
1914 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
1915 functions for block reordering.
1917 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
1919 * gcc.texi (Passes): Fix typo.
1920 * md.texi (Standard Names): Ditto.
1921 * tm.texi (Storage Layout): Ditto.
1923 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
1925 * cpplib.c (do_define): Only free the old definition if it
1928 2000-02-13 Neil Booth <NeilB@earthling.net>
1930 * cppfiles.c (read_and_prescan): When emitting deferred
1931 newlines, test speccase[] again instead of checking each
1932 possible whitespace character in turn. When we encounter \r,
1933 look behind for \n first, then ahead.
1935 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
1937 * cse.c (cse_altered): New internal flag.
1938 (cse_insn): Set it if we changed an insn.
1939 (cse_main): Clear cse_altered before each basic block.
1940 Only garbage collect if cse_altered is true afterward.
1942 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1944 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
1946 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
1948 * combine.c (simplify_comparison): Fix typo.
1950 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
1952 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
1955 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1957 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
1958 previously inserted node instead of root node. Caller changed.
1960 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
1962 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
1964 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1966 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
1967 __dereg_frame_dtor): Add prototype argument.
1969 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
1971 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
1973 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
1975 * gthr-vxworks.h (__gthread_once): Likewise.
1977 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
1979 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
1981 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
1982 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
1983 stack pointer in functions w/o saved registers, output LEAVE more often
1984 on TARGET_USE_LEAVE machines.
1986 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
1988 * config/arm/arm.c (arm_init_cumulative_args); New function:
1989 Initlaise the CUMULATIE_ARGS strcuture for a function
1991 (arm_function_arg): New function: Determine where to place a
1992 function's argument. Also handles deciding the function's
1994 (current_file_function_operand): New function: Return true if
1995 the symbol is a function which has already been compiled.
1996 (arm_is_long_call_p): New function: Return true if the
1997 indicated function should be called via a long call.
1998 (arm_valid_type_attribute_p): New function: Return true if the
1999 attribute is a valid, arm specific, attribute.
2000 (arm_comp_type_attribute): New function: Return true if the
2001 two types have compatable, arm specific, attributes.
2003 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
2005 (FUNCTION_ARG): Redefine to call arm_function_arg.
2006 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
2008 (INIT_CUMULATIVE_ARGS): Redefine to call
2009 arm_init_cumulative_args.
2010 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
2012 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
2014 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
2016 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
2017 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
2018 (COMP_TYPE_ATTRIBUTES): Define.
2020 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
2021 if a long call is needed.
2022 (call_value): Call arm_is_long_call_p to decide if a long call
2024 (call_symbol): Call arm_is_long_call_p to decide if a long call
2027 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
2029 2000-02-11 Denis Chertykov <denisc@overta.ru>
2031 * README.AVR: New file with information about the avr ports.
2032 * config/avr: New directory with avr port files.
2034 2000-02-11 Andreas Jaeger <aj@suse.de>
2036 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
2038 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
2040 * cpphash.c: Fix formatting, update commentary.
2041 (dump_definition): Take three separate arguments instead of a
2042 MACRODEF structure argument.
2043 * cpphash.h: Update prototype of dump_definition.
2044 * cppinit.c (cpp_finish): Update call of dump_definition.
2046 * cpplib.c (do_define): Always create new hash entry with
2047 T_MACRO type. Remove redundant check for redefinition of
2048 poisoned identifier. Update call of dump_definition.
2049 (do_undef): Don't call check_macro_name. Rename sym_length to
2051 (do_error, do_warning): Don't use copy_rest_of_line or
2053 (do_warning): Don't use pedwarn for the actual warning,
2054 only the notice about its not being in the standard. (Fixes
2055 bug with #warning in system headers.)
2056 (do_ident): Stricter argument checking - accept only a single
2057 string after #ident. Also, macro-expand the line.
2058 (do_xifdef): Use cpp_defined. De-obfuscate.
2060 (do_pragma): Split out specific pragma handling to separate
2061 functions. Use get_directive_token. Update commentary. Do
2062 not pass on #pragma once or #pragma poison to the front end.
2063 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
2064 do_pragma_default): New.
2066 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
2068 * jump.c (jump_optimize_1): The first operand in a relational
2070 * optabs.c (emit_conditional_move): Handle relationals which
2071 have a known true/false result.
2073 2000-02-11 Geoff Keating <geoffk@cygnus.com>
2075 * function.c (thread_prologue_and_epilogue_insns): Don't insert
2076 a RETURN insn into a block which already ends with a jump.
2078 2000-02-11 Geoff Keating <geoffk@cygnus.com>
2080 * haifa-sched.c (BUF_LEN): Increase a lot.
2082 2000-02-11 Nick Clifton <nickc@cygnus.com>
2084 * configure.in: Add tm_p_file specification for thumb targets.
2085 * configure: Regenerate.
2087 * config/arm/thumb-protos.h: New file: Prototypes for exported
2088 functions defined in thumb.c.
2090 2000-02-11 Robert Lipe <robertl@sco.com>
2092 * Makefile.in (bootstrap-lean): Remove additional files.
2093 (bootstrap2-lean): Likewise.
2094 (VOL_FILES): List of files for above.
2096 2000-02-11 Nathan Sidwell <nathan@acm.org>
2098 * cpphash.c (special_symbol): Remove spurious argument to
2101 2000-02-11 Joel Sherrill (joel@OARcorp.com>
2103 * configure.in: (i*86-*-rtems*): Swapped elf and coff
2105 * configure: Rebuilt.
2107 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
2109 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
2111 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
2113 * pa.c, pa.h: Remove trigraph sequences within comments.
2115 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
2117 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
2119 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
2121 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
2123 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2125 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
2127 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2129 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
2130 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
2131 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
2132 (ASM_FILE_END): Use c4x_file_end.
2133 * config/c4x/c4x.c (c4x_global_label): New function.
2134 (c4x_external_ref, c4x_file_end): Likewise.
2136 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
2137 (c4x_external_ref, c4x_end_file): Likewise.
2139 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
2141 * cppexp.c: Don't include cpphash.h.
2142 (parse_charconst, cpp_lex): Use cpp_defined.
2143 (cpp_lex): Use get_directive_token throughout. Remove
2144 unnecessary cases from switch. Move assertion-handling code
2146 (cpp_parse_expr): If we see '+' or '-', check the context to
2147 determine if they are unary or binary operators. Streamline
2148 the jumps a bit. Do not call skip_rest_of_line.
2150 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
2151 static. Export get_directive_token. Update commentary.
2152 (cpp_defined): New function.
2153 (do_define): Remove reference to T_PCSTRING. Call
2154 free_definition to release memory for old definition, when
2156 (eval_if_expression): Set only_seen_white to 0 before calling
2157 cpp_parse_expr. Call skip_rest_of_line after it returns.
2158 (cpp_read_check_assertion): Don't preserve a pointer into the
2159 token buffer across a call to cpp_get_token.
2161 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
2162 * cppfiles.c (redundant_include_p): Use cpp_defined.
2163 * cpphash.c (free_definition): New function.
2164 (delete_macro): Use it. Update commentary.
2165 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
2167 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
2168 from enum node_type. Prototype cpp_defined and get_directive_token.
2169 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
2171 * fix-header.c (check_macro_names): Use cpp_defined.
2172 (read_scan_file): Set inhibit_warnings and inhibit_errors in
2173 the options structure.
2175 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2177 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
2179 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
2181 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
2182 rather than die->die_tag.
2184 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2186 * combine.c (make_extraction, force_to_mode): Avoid warning on
2187 mixed-signedness conditionals.
2188 (make_field_assignment, nonzero_bits): Likewise.
2189 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
2190 (store_split_bit_field, extract_split_bit_field): Likewise.
2191 (extract_fixed_bit_field, store_bit_field,
2192 * expr.c: Change alignment to be unsigned everywhere.
2193 (move_by_pieces, store_constructor_field, store_constructor):
2194 Alignment parm is unsigned.
2195 (emit_block_move, emit_group_load, emit_group_store): Likewise.
2196 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
2197 (do_compare_rtx_and_jump): Likewise.
2198 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
2199 Compare align with GET_MODE_ALIGNMENT.
2200 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
2201 (get_inner_reference): Likewise.
2202 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
2203 (expand_assignment): Local vars for alignment now unsigned.
2204 (store_constructor, store_field, expand_expr, do_jump): Likewise.
2205 (do_compare_and_jump): Likewise.
2206 (store_field): Call new function expr_align.
2207 * expr.h (emit_block_move, emit_group_load, emit_group_store):
2208 Alignment arg now unsigned.
2209 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
2210 (do_compare_rtx_and_jump, store_bit_field): Likewise.
2211 (extract_bit_field): Likewise.
2212 * fold-const.c (add_double): Add cast to eliminate signedness warning.
2213 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
2214 (get_best_mode): Alignment arg is unsigned.
2215 * rtl.h (move_by_pieces): Likewise.
2216 * store-layout.c (maximum_field_alignment, set_alignment):
2218 (layout_decl): Alignment arg is now unsigned.
2219 Remove unneeded casts.
2220 (layout_record, layout_union, layout_type): Remove unneeded casts.
2221 Local alignment variables now unsigned.
2222 (get_best_mode): Alignment arg now unsigned.
2223 * tree.c (expr_align): New function.
2224 * tree.h (expr_align): Likewise.
2225 (maximum_field_alignment, set_alignment): Now unsigned.
2226 (get_inner_reference): Alignment argument is now pointer to unsigned.
2227 * varasm.c (assemble_variable): Add cast to eliminate warning.
2229 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
2231 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
2232 then store directly into op0.
2234 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
2235 the CALL_INSN, and emit the note immediately after it.
2237 2000-02-10 Nick Clifton <nickc@cygnus.com>
2239 * config/arm/thumb.md (epilogue): Include a (return) in the
2240 generated insn, and emit it using emit_jump_insn not
2243 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
2245 * function.c (assign_temp): Change zero-sized arrays to size 1.
2246 * integrate.c (expand_inline_function): Do not update
2247 stack_alignment_needed
2248 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
2249 add some sanity checking, remove optimization for function with
2252 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2254 * flow.c (mark_regs_live_at_end): Delete unused variables.
2256 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
2258 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
2259 in macro FRAME_GROWS_DOWNWARD.
2261 * stmt.c (expand_end_bindings): Delete unused variable.
2263 * unroll.c (iteration_info): Mark parameter `loop' with
2266 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2268 * fixinc/server.c (load_data): Return NULL if the marker line is
2270 (run_shell): If load_data returns NULL, retry the command once, in
2273 * configure: Rebuilt.
2275 2000-02-09 Bruce Korb <bkorb@gnu.org>
2277 * gcc/fixincludes: ** DELETED **
2278 * gcc/fixcpp: ** DELETED **
2279 * gcc/fixinc-nt.sed: ** DELETED **
2280 * gcc/just-fixinc: ** DELETED **
2281 * gcc/Makefile.in: Removed out-dated commentary
2282 * gcc/configure.in: Removed fast-fixincludes disablement.
2283 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
2285 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
2286 * function.c (thread_prologue_and_epilogue_insns): Uncomment
2289 2000-02-09 Richard Henderson <rth@cygnus.com>
2291 * jump.c (delete_insn): Don't delete user labels at -O0.
2293 2000-02-09 Robert Lipe <robertl@sco.com>
2295 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
2296 Don't link with HOST_LIBS.
2298 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
2300 * configure.in: Correct --help text for --with-dwarf2.
2301 Put tm-dwarf2.h after other tm files, if it's requested.
2302 * configure: Regenerate.
2303 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
2306 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
2308 * cpplib.h: Provide HASHNODE typedef and forward decl of
2309 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
2310 DEFINITION, struct hashnode, struct macrodef, struct
2311 definition, scan_decls prototype, default defn of
2312 INCLUDE_LEN_FUDGE moved elsewhere.
2314 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
2315 definition, and struct hashnode moved here. Remove the unused
2316 'predefined' field from struct definition. Replace the 'args'
2317 union with its sole member. All users updated (cpphash.c).
2318 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
2319 multiple include guard.
2321 * cpphash.c (hashf): Make static; use better algorithm; drop
2322 HASHSIZE parameter; return an unsigned int.
2323 (cpp_lookup): Drop HASH parameter. PFILE parameter is
2324 used. Calculate HASHSIZE modulus here.
2325 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
2327 (create_definition): Drop PREDEFINITION parameter.
2328 * cpplib.c (do_define): Don't calculate a hash value here.
2329 Don't pass (keyword == NULL) to create_definition.
2331 * scan.h: Prototype scan_decls here.
2332 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
2333 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
2334 callers of cpp_lookup and cpp_install updated.
2336 * cpphash.c (macarg): Hoist all the flag diddling out of the
2338 (macroexpand): ... and out of the loop that calls macarg.
2339 Skip over the initial paren before macro arguments with
2340 cpp_get_non_space_token; point may be some distance before
2341 that paren. Abort if it's not there.
2343 * cpplib.c (parse_clear_mark): Delete function.
2344 (parse_set_mark, parse_goto_mark): Make static.
2345 (ACTIVE_MARK_P): New macro.
2346 (skip_block_comment, skip_line_comment): Do not bump the line
2347 if ACTIVE_MARK_P is true.
2348 (cpp_pop_buffer): The buffer to be popped may not have an
2350 (cpp_get_token): When looking for the initial paren before
2351 macro arguments, only set a mark in a file buffer, Always
2352 return to that mark before proceeding to call macroexpand or
2353 return a NAME token.
2355 * cpplib.h: Remove prototypes of parse_set_mark,
2356 parse_clear_mark, parse_goto_mark.
2357 (struct cpp_options): Rename 'put_out_comments' to
2358 'discard_comments' and invert its sense.
2359 * cppinit.c, cpphash.c, cpplib.c: All users of
2360 put_out_comments changed to use discard_comments, with
2363 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
2365 * function.c (thread_prologue_and_epilogue_insns): Don't delete
2366 the edge from a block that both jumps and falls through to the
2369 2000-02-09 Scott Bambrough <scottb@netwinder.org>
2371 * config/arm/arm.md (movsi): In PIC mode, make sure that a
2372 constant source address is legitimate.
2374 2000-02-09 Philip Blundell <pb@futuretv.com>
2376 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
2379 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
2381 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
2383 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
2385 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
2386 ends with a newline and a NUL. Don't be so clever manipulating
2389 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
2391 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
2392 not to BIGGEST_ALIGNMENT.
2394 2000-02-08 Geoff Keating <geoffk@cygnus.com>
2396 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
2397 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
2398 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
2399 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
2400 * frame.c (execute_cfa_insn): Handle
2401 DW_CFA_GNU_negative_offset_extended.
2403 2000-02-08 Richard Henderson <rth@cygnus.com>
2405 * flow.c (tidy_fallthru_edges): Split out from ...
2406 (delete_unreachable_blocks): ... here.
2407 (find_basic_blocks): Use it.
2409 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2411 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
2413 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
2415 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
2416 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
2417 (fix-header.o): Don't depend on cpphash.h.
2419 * scan.c (hashstr): New function.
2420 * scan.h: Prototype it.
2421 * fix-header.c: Don't include cpphash.h. Use hashstr.
2422 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
2423 hashstr. Report hash table statistics. Add private
2424 definition of xrealloc.
2426 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2428 * i386.h (TARGET_SWITCHES): Fix typo in option name.
2430 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
2432 * function.c (thread_prologue_and_epilogue_insns): Don't replace
2433 jumps with returns unless they are jumps to the fallthru block.
2435 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
2437 * i386.md (addqi3_cc): Fix contraints.
2439 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
2441 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
2443 2000-02-07 Mark Mitchell <mark@codesourcery.com>
2445 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
2446 carriage return after a macro name.
2448 2000-02-07 Fred Fish <fnf@be.com>
2450 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
2451 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
2453 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
2455 * cppfiles.c (deps_output): Count spacers in deps_column.
2457 2000-02-07 Neil Booth <NeilB@earthling.net>
2459 * cppinit.c (initialize_dependency_output): If there is no
2460 suffix, don't try to look for known suffixes. Use strrchr.
2461 (cpp_start_read): Remove duplicate initialization.
2463 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
2465 * calls.c (compute_argument_block_size): New argument
2466 preferred_stack_boundary.
2467 (expand_call): update cfun->preferred_stack_boundary, update call of
2468 compute_argument_block_size
2469 (emit_library_call): Increate cfun->preferred_stack_boundary
2470 to PREFERRED_STACK_BOUNDARY
2471 (emit_library_call_value): Likewise.
2472 * explow.c (allocate_dynamic_stack_spave): Likewise.
2473 * function.c (prepare_function_start): Set
2474 cfun->preferred_stack_boundary
2475 * function.h (struct function): Add preferred_stack_boundary field.
2476 * integrate.c (expand_inline_function): Update
2477 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
2478 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
2479 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
2481 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
2483 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
2484 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
2485 cpp_pedwarn, cpp_pedwarn_with_line,
2486 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
2487 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
2488 v_cpp_error_with_line, v_cpp_warning_with_line,
2489 cpp_message_from_errno, cpp_perror_with_name): Delete.
2491 * cpperror.c (cpp_print_containing_files): Take starting
2493 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
2494 (v_cpp_message): Now called directly by all entry points.
2496 (cpp_pfatal_with_name, cpp_message): Delete.
2497 (cpp_notice_from_errno, cpp_ice): New functions.
2498 (cpp_notice): Is now for reporting error conditions, just
2499 without an associated file.
2500 (cpp_error, cpp_error_with_line): Don't do anything if
2501 opts->inhibit_errors is on.
2502 (cpp_pedwarn_with_file_and_line): Take column argument also.
2504 * cpplib.h: Update prototypes of exported functions.
2505 (struct cpp_options): Add inhibit_errors.
2507 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
2508 non-error messages. Include intl.h.
2510 * cppinit.c, cppmain.c: Likewise. Also, use
2511 cpp_notice_from_errno instead of cpp_perror_with_name or
2512 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
2514 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
2515 report internal errors.
2517 * cpplib.c (do_define): Switch bcopy to memcpy.
2518 Give cpp_pedwarn_with_file_and_line a dummy column argument.
2520 * cpplib.c (copy_rest_of_line): Revert previous change: don't
2521 bail out early if we hit a line comment.
2523 2000-02-06 Richard Henderson <rth@cygnus.com>
2525 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
2526 * basic-block.h: Declare them.
2527 * emit-rtl.h (active_insn_p): New.
2528 (next_active_insn, prev_active_insn): Use it.
2529 * rtl.h: Declare it.
2530 * function.c (emit_return_into_block): New.
2531 (thread_prologue_and_epilogue_insns): Insert return insns instead
2532 of epilogues when possible.
2533 * jump.c (jump_optimize_1): Remove code to insert a return insn
2534 on the fallthru to the exit block.
2536 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
2537 and for non-empty stack frames.
2538 * i386.md (return): Expand to return-pop as needed.
2540 2000-02-06 Richard Henderson <rth@cygnus.com>
2542 * simplify-rtx.c (simplify_relational_operation): Canonicalize
2543 constant to op1 for testing.
2545 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2547 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
2548 (fixuns_truncqfqi2): Use it.
2550 2000-02-06 Richard Henderson <rth@cygnus.com>
2552 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
2555 * i386.md (widening and peepholes): Mask the constant instead of
2558 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
2560 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
2561 input pointer before possibly branching off to the backslash
2563 * cpphash.c (macroexpand): Correctly delete \r escapes when
2564 stringifying parameters.
2565 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
2566 if we can; bail out early if we hit a line comment.
2567 (handle_directive): Treat '# 123' in an .S file just like
2568 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
2569 Return 1 for '# not_a_directive'.
2570 (get_directive_token): Pop macro buffers here, so that
2571 cpp_get_token can't sneakily move past a newline.
2573 (cpp_get_token): goto randomchar if handle_directive returns 0.
2575 * cppalloc.c: Update copyright.
2576 * cpplib.c: Merge all the static function prototypes into one
2578 * cpplib.h: Remove #if 0 block.
2580 * cpperror.c: Remove #ifdef EMACS block.
2581 * cppmain.c: Likewise.
2582 * cpphash.c: Remove #if 0 blocks.
2583 * cppinit.c: Remove #if 0 blocks, and the -lint option.
2584 * cpplib.c: Remove #if 0 blocks and code referencing
2585 pcp_inside_if or for_lint. Remove duplicate error message.
2586 Fix error messages for #else after #else or #elif. Reformat.
2587 Remove archaic TODO list.
2588 * cpplib.h: Remove pcp_inside_if and for_lint flags.
2590 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
2592 * i386/osf1elf.h: Add missing backslash to multiline string.
2594 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2596 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
2598 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2600 * Makefile.in (c-common.o): Depend on $(EXPR_H).
2602 * c-common.c: Include expr.h.
2604 * c-pragma.c (mark_align_stack): Add prototype.
2606 * caller-save.c (add_stored_regs): Likewise.
2608 * combine.c (record_promoted_value): Likewise.
2610 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
2613 * cppinit.c (new_pending_define): Likewise.
2615 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
2617 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
2618 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
2619 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
2620 class_scope_p): Likewise.
2622 * dwarf2out.h (dwarf2out_set_demangle_name_func,
2623 dwarf2out_add_library_unit_info): Likewise.
2625 * ggc.h (ggc_page_print_statistics): Likewise.
2627 * haifa-sched.c (propagate_deps): Likewise.
2629 * reg-stack.c (next_flags_user, record_label_references): Likewise.
2631 * rtl.h (set_stack_check_libfunc): Likewise.
2633 * toplev.h (set_fatal_function): Likewise.
2635 * toplev.c (set_fatal_function): Delete prototype.
2637 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
2639 2000-02-05 Geoff Keating <geoffk@cygnus.com>
2641 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
2642 (FUNC_END): Likewise.
2644 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2646 * caller-save.c: Include tm_p.h.
2648 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2650 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
2652 2000-02-04 Neil Booth <NeilB@earthling.net>
2654 * cccp.c (main): Check 'dir' for a NULL pointer before passing
2657 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
2659 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
2660 * genflags.c: Use the max_operand_1 logic from genemit.c to
2661 calculate how many arguments gen_insn prototypes have. Remove
2662 NO_MD_PROTOTYPES ifdefs from the generated file.
2663 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
2664 file. Cast gen_insn initializers to insn_gen_fn.
2665 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
2666 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
2668 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2670 * fixinc/Makefile.in (HDR): Add machname.h.
2673 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2675 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
2676 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
2677 (c4x_cpu_version): Ditto.
2678 * config/c4x/c4x-protos.h: ... here.
2680 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
2682 * dwarf2out.c (add_abstract_origin_attribute): Don't call
2683 gen_abstract_function on our context if we're a nested function.
2685 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2687 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
2688 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
2690 2000-02-04 Bruce Korb <bkorb@gnu.org>
2692 * fixinc/genfixes(machname.h):
2693 Move the functionality from gen-machine.h into this file.
2694 UNdef MN_NAME_PAT if there are no names to change.
2695 Also, be a little kinder when AutoGen is not present.
2697 * fixinc/Makefile.in(machname.h):
2698 Change the generation rule to use genfixes.
2700 * fixinc/fixfixes.c(machine_name):
2701 machine_name_fix's functionality now dependent upon whether
2702 MN_NAME_PAT is defined.
2704 * fixinc/fixtests.c(machine_name):
2707 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
2710 * fixinc/fixlib.h(mn_get_regexps):
2713 * fixinc/gen-machine.h: DELETED
2715 2000-02-04 Jan Hubicka <jh@suse.cz>
2716 Richard Henderson <rth@cygnus.com>
2718 * i386.c (SAVE_REGS_FIRST): Remove.
2719 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
2720 (ix86_compute_frame_size): Likewise.
2721 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
2722 (ix86_emit_restore_regs): Remove.
2723 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
2724 when a frame pointer is in use.
2725 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
2726 instead of pop to restore a register when profitable; emit leave
2728 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
2730 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
2731 * i386.md (prologue_allocate_stack): Remove.
2732 (epilogue_deallocate_stack): Remove.
2733 (pro_epilogue_adjust_stack): New.
2735 2000-02-04 Richard Henderson <rth@cygnus.com>
2737 * function.c (diddle_return_value): Rework to use a callback function.
2738 Use current_function_return_rtx if it's been set up.
2739 (do_clobber_return_reg, clobber_return_register): New.
2740 (do_use_return_reg, use_return_register): New.
2741 (expand_function_end): Use them.
2742 * stmt.c (expand_null_return): Likewise.
2743 * function.h: Declare them.
2744 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
2745 (mark_reg): Change arguments as appropriate for callback.
2746 * integrate.c (expand_inline_function): Revert 19 Jan change.
2748 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
2750 * tm.texi (Values in Registers): Fix typo: "fo" "for".
2751 (Misc): Say the scheduler, not the Haifa scheduler.
2753 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
2755 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
2756 when in_mem is set. Update all callers.
2758 2000-02-04 Richard Henderson <rth@cygnus.com>
2760 * i386/openbsd.h (INT_ASM_OP): Define.
2762 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
2764 * tm.texi: Fix various typos.
2766 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
2768 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
2769 (MD_STARTFILE_PREFIX_1): New macro.
2771 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
2773 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
2774 destination when needed.
2775 (strmovsi, strsetsi): New expander.
2776 (strmovsi_1, strsetsi_1): New pattern.
2777 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
2778 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
2779 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
2780 * invoke.texi (align-stringops, inline-all-stringops): Document.
2782 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
2784 * i386/netbsd.h (INT_ASM_OP): Define.
2786 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
2788 * cpplib.h (cpp_reader): Add new flag, no_directives.
2789 * cpphash.c (macarg): Set it.
2790 * cpplib.c (handle_directive): If no_directives is on and we
2791 find a directive, issue an error and discard the line.
2793 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
2795 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
2796 FP constants. Add ! TARGET_FPU check for FP constants.
2798 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
2800 * flow.c (find_basic_blocks): Don't kill label_value_list
2802 (cleanup_cfg): Kill it here.
2804 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2806 * expr.c (store_field): Ensure ALIGN is no stricter than the
2809 2000-02-02 Richard Henderson <rth@cygnus.com>
2811 * jump.c (delete_insn): Partially revert 19 Jan change;
2812 don't convert unused code labels to notes at -O0.
2814 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2816 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
2817 split_all_insns to recreate REG_LABEL notes for flow2 pass.
2819 2000-02-01 Richard Henderson <rth@cygnus.com>
2821 * i386.c (general_no_elim_operand): New.
2822 (nonmemory_no_elim_operand): New.
2823 (ix86_expand_move): Copy eliminable operands before a push.
2824 * i386-protos.h: Declare new functions.
2825 * i386.h (CAN_ELIMINATE): Simplify.
2826 (PREDICATE_CODES): Update.
2827 * i386.md (push insns): Don't allow eliminable register operands.
2829 2000-02-01 Richard Henderson <rth@cygnus.com>
2831 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
2832 replace BLKmode with DECL_RTL's mode.
2834 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
2836 * frame.c (find_fde): Convert for loop to do-while so compiler
2837 sees it's always executed at least once.
2838 * libgcc2.c (BBINBUFSIZE): Kill.
2839 (__bb_init_prg): Use fgets.
2840 (__bb_exit_trace_func): Don't paste strings.
2841 * unroll.c (unroll_loop): Initialize unroll_type, not
2842 unroll_number, and tweak logic to match.
2844 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
2846 (ix86_flags_dependant): Likewise. Disentangle control flow.
2847 (ix86_sched_reorder): Break guts out to
2848 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
2849 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
2852 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
2853 use string concatenation. Don't save and restore esi.
2855 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
2856 (machname.h): Remove script to separate file. Use two-step
2857 sequence so target is not created if script fails.
2858 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
2859 identifiers are defined.
2860 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
2861 an empty string, machine_name doesn't need to do anything at
2863 (is_cxx_header): Add more cases to regexp.
2864 * fixinc/fixlib.h: Update prototype.
2865 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
2867 * fixinc/fixincl.c: Define NO_BOGOSITY.
2869 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
2870 (hp_sysfile): Add missing comma.
2871 (math_exception): Put the wrapper ifdefs at the beginning and
2872 the end of the file.
2873 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
2875 2000-02-01 Richard Henderson <rth@cygnus.com>
2877 * sparc.c (fp_zero_operand): Turn into a normal predicate.
2878 Use CONST0_RTX. Update all callers.
2879 * sparc.h, sparc-protos.h: Update accordingly.
2880 * sparc.md (fp mov insns): Use fp_zero_operand directly
2883 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
2885 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
2888 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2890 * Makefile.in (specs.ready): New target.
2891 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
2893 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2895 * fixinc.irix: Use unique filenames for writing into /tmp,
2896 * fixinc.ptx: Likewise.
2897 * fixinc.sco: Likewise.
2898 * fixinc.svr4: Likewise.
2899 * fixinc.winnt: Likewise.
2901 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2903 * tsystem.h: New file.
2905 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
2906 s-crtS): Depend on tsystem.h.
2908 * crtstuff.c: Include tsystem.h.
2909 * frame.c: Likewise.
2910 * libgcc2.c: Likewise.
2912 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
2914 * builtins.c (expand_builtin_memset): Expand for variable sized
2917 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
2919 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
2922 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
2924 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
2926 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
2928 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
2930 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
2931 case 3->2 combining (combining with splitting) in which 2 is CC0
2932 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
2933 checked at the begining of the function with the aid of calling
2934 function 'can_combine_p'.
2936 2000-01-31 Dave Brolley <brolley@redhat.com>
2938 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
2940 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
2942 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
2945 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2947 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
2949 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
2952 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
2954 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
2955 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
2956 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
2957 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
2958 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
2959 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
2960 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
2961 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
2962 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
2963 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
2965 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
2966 Add %(cpp_cpu) to CPP_SPEC.
2968 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
2969 Add %(cc1_cpu) to CC1_SPEC.
2971 2000-01-28 Ulrich Drepper <drepper@redhat.com>
2973 * c-decl.c (c_decode_option): Accept optional numeric argument to
2974 -Wformat and set warn_format.
2975 * c-common.c: Don't emit warning about non-constant printf format
2976 string unless warn_format > 1.
2978 2000-01-30 Richard Henderson <rth@cygnus.com>
2980 * alpha.md (return_internal): Allow after reload only.
2982 2000-01-30 Richard Henderson <rth@cygnus.com>
2984 * i386.c (ix86_compute_frame_size): Omit padding1 if the
2985 local frame size is zero.
2987 2000-01-30 Richard Henderson <rth@cygnus.com>
2989 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
2990 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
2991 * alpha.md (return): Turn into an expander.
2992 (return_internal): Don't use $26.
2993 (epilogue): Emit the return insn.
2995 2000-01-30 Richard Henderson <rth@cygnus.com>
2997 * alpha.md (negtf2, abstf2): Fix word order thinko.
2999 (trunctfsf2): Avoid intermediate rounding errors.
3001 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
3003 * cppfiles.c (find_position): Drop 'colp' argument, return the
3005 (read_and_prescan): Adjust to match. Don't ever manipulate
3006 line or line_base except via find_position.
3008 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
3010 * c-parse.in: Apply Ulrich's changes from c-parse.y.
3011 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
3014 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
3016 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
3017 just print "<command line>". If 'filename' is null or an
3018 empty string, print "<stdin>" for the filename.
3019 * cpplib.c (do_define): Don't print the 'location of the
3020 previous definition' message if we're still parsing the
3022 (cpp_pedwarn_with_file_and_line): Always call
3023 cpp_file_line_for_message.
3025 2000-01-29 Mark Mitchell <mark@codesourcery.com>
3027 * flow.c (mark_regs_live_at_end): Fix typo.
3029 2000-01-28 Ulrich Drepper <drepper@redhat.com>
3031 * c-common.c: Adjust variable names, comments, help strings to c99.
3032 * c-lex.c: Likewise.
3033 * c-parse.y: Likewise.
3034 * c-tree.h: Likewise.
3036 * cpplib.h: Likewise.
3037 * c-decl.c: Likewise. Recognize options with names "*99" as well.
3038 * cppinit.c: Likewise.
3040 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3042 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
3043 * c4x.c: Define the optab rtx values.
3044 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
3045 (c4x_emit_libcall): Use new optab rtx values.
3046 (c4x_emit_libcall3): Likewise.
3047 (c4x_emit_libcall_mulhi): Likewise.
3048 * c4x-protos.h: Add prototypes for optab rtx values and change
3049 prototypes for above c4x_emit_libcall functions.
3051 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3053 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
3055 (c4x_function_prologue): Use regnames intead of float_reg_names when
3057 (c4x_function_epilogue): Likewise.
3058 (c4x_print_operand): Likewise.
3059 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
3060 * c4x.md (set_high): Disable for TARGET_TI.
3062 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3064 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
3065 of framepointer + constant to ADDR_REGS class.
3066 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
3067 * c4x.c (std_or_reg_operand): New function.
3068 * c4x-protos.h (std_or_reg_operand): Prototype it.
3070 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3072 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
3073 object names as libgcc2.c.
3074 * libgcc.S: Use newly defined names.
3076 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
3077 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
3079 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
3080 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
3081 (FLOW_LOOP_LAST_BLOCK): Likewise.
3083 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3085 * basic-block.h (struct loop): New fields 'first' and 'last'.
3086 * flow.c (flow_loops_find): Compute loop->first and loop->last.
3087 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
3088 and loop->last to check for NOTE_INSN_LOOP_END.
3090 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
3092 * predict.c (estimate_probability): Use the new FIRST and LAST fields
3093 of the loop descriptor rather than HEADER and LATCH. Also added
3094 missing break statements as well making some coding style modifications
3095 as suggested by Michael Hayes.
3097 2000-01-28 Richard Henderson <rth@cygnus.com>
3099 * flow.c (find_basic_blocks): Remove do_cleanup argument.
3100 Break out that code ...
3101 (cleanup_cfg): ... here.
3102 (commit_one_edge_insertion): Detect a return instruction being
3103 emitted to an edge. Emit a barrier following; clear fallthru.
3104 (commit_edge_insertions): Verify CFG consistency.
3105 * function.c (expand_function_start): Kill unused variable.
3106 (expand_function_end): Likewise.
3107 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
3108 to insert the epilogue.
3110 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
3111 (delete_null_pointer_checks): Likewise.
3112 * output.h: Likewise.
3113 * reg-stack.c (reg_to_stack): Likewise.
3114 * toplev.c (rest_of_compilation): Likewise. Run
3115 thread_prologue_and_epilogue_insns after rebuilding the CFG.
3117 2000-01-28 Richard Henderson <rth@cygnus.com>
3119 * Makefile.in (flow.o): Revert 24 Jan change.
3120 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
3121 FUNCTION_VALUE result to DECL_RESULT's mode.
3123 * haifa-sched.c (schedule_insns): Don't recompute reg info
3126 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
3128 * configure.in: Make --enable-cpplib the default.
3129 * configure: Regenerate.
3130 * gcc.dg/990119-1.c: No longer expected to fail.
3132 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
3134 * jump.c (jump_optimize_1): Delete an optimization that is also done
3135 by merge_blocks in flow.
3137 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3139 * diagnostic.c (build_message_string, output_printf,
3140 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
3141 (build_location_prefix): Fix non-literal format string.
3143 2000-01-27 Richard Henderson <rth@cygnus.com>
3145 * alpha.md (trunctfsf2): New.
3147 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
3149 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
3151 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
3153 * cppinit.c (cpp_handle_option): Recognize C++ comments under
3155 * cpplib.c (skip_block_comment, skip_line_comment): Split code
3157 (skip_comment) ... here. Permit C++ comments in system
3158 headers always. Warn about C++ comments in user code under
3159 -std=gnu89 -pedantic.
3160 (copy_comment): Use skip_comment.
3161 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
3163 (consider_directive_while_skipping, do_else, do_endif): Call
3164 validate_else unconditionally.
3165 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
3166 text after the conditional in a system header.
3167 * cpplib.h (struct cpp_buffer): Add flag
3168 warned_cplusplus_comments.
3170 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
3172 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
3173 Use unshare_all_rtl_1.
3174 (unshare_all_rtl_again): New function.
3175 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
3177 * function.c (purge_addressof_1): Use unshare_all_rtl_again
3178 rather than resetting the 'used' flags ourself.
3180 * toplev.c (rest_of_compilation): Add current_function_decl
3181 to the unshare_all_rtl call.
3182 * tree.h: Prototype unshare_all_rtl.
3183 * rtl.h: Prototype unshare_all_rtl_again here.
3185 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
3187 * genoutput.c (output_prologue): Include ggc.h in generated
3189 * Makefile.in (insn-output.o): Depends on ggc.h.
3191 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
3192 Hans-Peter Nilsson <hp@bitrange.com>
3194 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
3195 Remove redundant include of xm-ns32k.h.
3196 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
3197 Remove redundant include of xm-ns32k.h.
3198 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
3199 Remove redundant include of xm-ns32k.h.
3200 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
3202 * ns32k/ns32k.h: Update comment on multiply-add instructions.
3203 (TARGET_SWITCHES): Add documentation strings.
3204 (DWARF_FRAME_REGNUM): Override default definition.
3205 (REG_CLASS_CONTENTS): Add comments.
3206 (SUBSET_P): Format to reduce line length.
3207 (SMALL_REGISTER_CLASSES): Make a run time option.
3208 (GO_IF_NONINDEXED_ADDRESS): Reformat.
3209 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
3210 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
3211 (regclass_map): fix typo in comment.
3212 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
3213 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
3214 (trace, reg_or_mem_operand): Delete, unused function.
3215 (calc_address_cost): Small offsets are cheaper than large ones.
3216 (expand_block_move): Generate more efficient code when bytes is a
3217 known at compile time.
3218 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
3219 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
3220 instead of reg_or_mem_operand.
3222 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
3223 not general_operand. Similarly use "=rm" or stricter, not "=g".
3224 For input operands, use stricter constraints than "g" if not
3225 general_operand. Similarly use stricter predicate than
3226 "general_operand" when stricter constraints than "g" are present,
3227 except for matching constraints.
3228 (movstrsi): Use "memory_operand" for operands 0 and 1.
3229 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
3230 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
3231 not reg_or_mem_operand.
3232 (udivmoddisi4): Ditto.
3233 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
3234 Use nonimmediate_operand for operand 3, not register_operand.
3235 (udivmoddiqi4_internal): Use register_operand for operand 1, not
3238 2000-01-27 Fred Fish <fnf@be.com>
3240 * gthr-posix.h: Fix typo; compatibily -> compatibility.
3241 * gthr-single.h: Likewise.
3242 * gthr-solaris.h: Likewise.
3243 * gthr-vxworks.h: Likewise.
3244 * gthr-win32.h: Likewise.
3247 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
3249 * cppinit.c: Add " (cpplib)" to end of string printed by
3252 2000-01-27 Richard Henderson <rth@cygnus.com>
3254 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
3255 testing for a signed comparison.
3256 (alpha_emit_floatuns): New.
3257 * alpha-protos.h: Declare it.
3258 * alpha.md (floatunsdisf2, floatunsdidf2): New.
3259 (extendsfdf2): Tidy.
3261 2000-01-27 Jakub Jelinek <jakub@redhat.com>
3263 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
3264 no -g option specifying debugging format, default to -gstabs+.
3266 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
3268 * calls.c (special_function_p): New argument fork_or_exec.
3269 (expand_call): When profile_arc_flag is set and the function
3270 is in the fork_or_exec group, call __bb_fork_func first.
3271 * libgcc2.c, _bb module (__bb_fork_func): New function.
3272 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
3274 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
3275 * tree.h (special_function_p): Update prototype.
3277 2000-01-26 Richard Henderson <rth@cygnus.com>
3279 * alpha.c (alpha_split_tfmode_pair): New.
3280 * alpha-protos.h: Declare it.
3281 * alpha.md (abstf2, negtf2): New.
3282 (movtf insn): Add input G constraint.
3283 (movtf splitter): Use alpha_split_tfmode_pair.
3285 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3287 * i386/cygwin.h: PROTO -> PARAMS.
3289 2000-01-26 Jakub Jelinek <jakub@redhat.com>
3291 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
3292 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
3293 using _Qp_cmp/_Q_cmp and testing the return value.
3294 (print_operand): Call reverse_condition_maybe_unordered if
3295 we are handling CCFPmode or CCFPEmode.
3296 Handle ORDERED, UN* and LTGT comparisons.
3297 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
3298 if not TARGET_HARD_QUAD.
3299 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
3300 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
3301 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
3302 Adjust gen_b* calls so that they reflect return comparison of
3303 sparc_emit_float_lib_cmp.
3305 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3307 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
3308 incoming operands array is large enough for one more operand.
3309 (alpha_emit_xfloating_arith): Likewise.
3311 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
3313 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
3314 file with one line and no trailing newline.
3315 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
3316 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
3317 checking if the match is on the line.
3318 * fixinc/gnu-regex.c: Provide regerror not __regerror.
3320 2000-01-25 Richard Henderson <rth@cygnus.com>
3322 * sparc.c (output_cbranch): Fix accidental squashing of the
3323 fp branch pre-delay nop.
3325 2000-01-25 Richard Henderson <rth@cygnus.com>
3327 * tree.def (UNNE_EXPR): Remove.
3328 * c-typeck.c (build_binary_op): Don't handle it.
3329 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
3331 * rtl.def (UNNE): Remove.
3333 * jump.c (reverse_condition): Update accordingly.
3334 (swap_condition): Likewise.
3335 (comparison_dominates_p): Handle unordered comparisons.
3336 (reverse_condition_maybe_unordered): New.
3337 * rtl.h (reverse_condition_maybe_unordered): Declare.
3339 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
3340 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
3341 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
3342 * sparc.md (bltgt): New.
3344 2000-01-25 Nick Clifton <nickc@redhat.com>
3346 * emit-rtl.c (emit_insn): Only check machine class insns for
3347 improper emission of a RETURN.
3349 2000-01-25 Richard Henderson <rth@cygnus.com>
3351 * Makefile.in (flow.o): Depend on $(EXPR_H).
3352 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
3353 duplicate the structure of diddle_return_value for keeping regs live.
3355 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3357 * loop.c (current_loop_info): Delete.
3358 (consec_sets_invariant_p): Add loop argument, update callers.
3359 (get_condition_for_loop): Likewise.
3360 (count_nonfixed_reads, update_giv_derive): Likewise.
3361 (simplify_giv_expr, general_induction_var): Likewise.
3362 (consec_sets_giv, recombine_givs): Likewise.
3363 (move_movables): Delete loop_start and loop_end arguments,
3364 add loop argument, and update callers.
3365 (find_mem_givs, check_final_value): Likewise.
3366 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
3367 (loop_invariant_p): Rename from invariant_p, add loop argument, and
3369 (basic_induction_var): Add loop argument, delete loop_level argument,
3371 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
3372 add loop argument, and update callers.
3373 (find_splittable_regs, find_splittable_givs): Likewise.
3374 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
3375 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
3376 (biv_total_increment): Delete loop_start and loop_end arguments;
3378 (precondition_loop_p): Delete loop_start and loop_info arguments;
3380 * loop.h (get_condition_for_loop): Add loop argument.
3381 (biv_total_increment): Delete loop_start and loop_end arguments.
3382 (precondition_loop_p): Delete loop_start and loop_info arguments;
3384 (final_biv_value): Delete loop_start and loop_end arguments;
3386 (final_giv_value, back_branch_in_range_p): Likewise.
3388 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
3390 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
3392 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
3394 * Makefile.in (c-gperf.h) : Change the "See" pointer to
3395 point to the new "generated_files" doc.
3397 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
3399 * config/fp-bit.c (_unord_f2): Fix typo.
3401 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
3403 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
3404 c-typeck.c, objc/objc-act.c: Remove all references to obstack
3405 functions obsoleted by GC, such as push_obstacks_nochange,
3406 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
3407 and code which existed only to decide whether or not to call
3408 them. Remove now-unused NESTED argument from start_function;
3409 all callers changed. Do not change behavior based on ggc_p.
3410 The use of the ixp_obstack in c-iterate.c and the util_obstack
3411 in objc/objc-act.c remain; these are not obsoleted by garbage
3413 * c-tree.h: Update prototype for start_function.
3415 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
3417 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
3419 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
3422 2000-01-25 Richard Henderson <rth@cygnus.com>
3424 * sparc-protos.h (select_cc_mode): Declare.
3425 * sparc.c (select_cc_mode): New. Handle unordered compares.
3426 (output_cbranch): Always reverse via code change. Handle
3427 unordered compares. Factor tests and string updates.
3428 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
3429 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
3430 * sparc.md (bunordered, bordered): New.
3431 (bungt, bunlt, buneq, bunge, bunle): New.
3433 2000-01-25 Richard Henderson <rth@cygnus.com>
3435 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
3436 * ggc-common.c (ggc_add_rtx_varray_root): New.
3437 (ggc_mark_rtx_varray): New.
3438 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
3439 functions down below ggc_mark_foo.
3440 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
3442 2000-01-25 Richard Henderson <rth@cygnus.com>
3444 * alpha.c (secondary_reload_class): Don't allocate a secondary
3445 for integral mode memories into FLOAT_REGS. Rearrange the more
3446 complicated memory expression inward.
3448 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
3450 * inclhack.def: Fixes to play nicer with FreeBSD, and
3451 corrections to comments.
3452 (cxx_unready): Add select expression.
3453 (irix_sockaddr): Add bypass expression.
3454 (machine_ansi_h_va_list): New fix.
3455 (stdio_va_list): No need to edit _BSD_VA_LIST_.
3456 Split out addition of "#include <stdarg.h>" to...
3457 (stdio_stdarg_h): ... here.
3458 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
3459 to stdlib.h also. Do not munge _BSD_SIZE_T_.
3460 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
3462 (ultrix_ifdef): Tighten up select expression.
3464 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
3465 re_ct and max_mach to avoid use of shell. Make printed names
3466 match names in inclhack.def. Use static copyright date.
3467 Don't count c_test and test expressions as requiring regex_t
3468 slots. Add some commentary.
3469 * inclhack.tpl: Do not include the 'This script contains N
3470 fixup scripts' line if PROGRAM is defined. Use static
3473 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
3475 * dwarf2out.c: include "varray.h", not dyn-string.h.
3476 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
3477 (addr_const_to_string, addr_to_string): Lose.
3478 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
3479 (struct dw_val_struct): val_addr is now an rtx.
3480 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
3481 (used_rtx_varray): New varray.
3482 (dwarf2out_init): Initialize it.
3484 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
3486 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
3487 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
3488 * Makefile.in (dwarf2out.o): Update dependencies.
3490 2000-01-24 Richard Henderson <rth@cygnus.com>
3492 * i386.c (i386_dwarf_output_addr_const): New.
3493 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
3495 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
3497 * dwarfout.c (output_mem_loc_descriptor): Likewise.
3498 * i386.c (i386_simplify_dwarf_addr): New.
3499 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
3501 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
3503 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
3504 TYPE_STUB_DECL is NULL.
3506 2000-01-24 Richard Henderson <rth@cygnus.com>
3508 * builtins.c (expand_tree_builtin): Move ...
3509 * c-common.c (expand_tree_builtin): ... here.
3511 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3513 * loop.h (LOOP_INFO): New accessor macro.
3514 * basic-block.h (struct loop): Rename field `info' to `aux'.
3515 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
3516 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
3517 * unroll.c (loop_iterations, unroll_loop): Likewise.
3519 2000-01-24 Christopher Faylor <cgf@cygnus.com>
3521 * config/i386/t-cygwin: Accomodate new winsup directory layout
3522 when searching for include files.
3524 2000-01-24 Richard Henderson <rth@cygnus.com>
3526 * rtl.def: Add unordered fp comparisions.
3527 * tree.def: Likewise.
3528 * tree.h: Add ISO C 9x unordered fp comparision builtins.
3530 * builtins.c (expand_tree_builtin): New function.
3531 * c-typeck.c (build_function_call): Use it.
3532 (build_binary_op): Support unordered compares.
3533 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
3535 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
3536 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
3537 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
3538 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
3539 * jump.c (reverse_condition): Don't abort for UNLE etc, but
3541 (swap_condition): Handle unordered compares.
3542 (thread_jumps): Check can_reverse before reversing.
3543 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
3546 * optabs.c (can_compare_p): New argument CODE. Verify branch or
3547 setcc is present before acking for cmp_optab. Update all callers.
3548 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
3549 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
3550 * expr.c (expand_expr): Likewise. Support unordered compares.
3551 (do_jump, do_store_flag): Likewise.
3552 * expr.h (enum libfunc_index): Add unordered compares.
3554 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
3555 (DPBIT_FUNCS): Add _unord_df.
3556 * config/fp-bit.c (_unord_f2): New.
3557 * fp-test.c (main): Try unordered compare builtins.
3559 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
3560 * alpha.c (alpha_comparison_operator): Check mode properly.
3561 (alpha_swapped_comparison_operator): Likewise.
3562 (signed_comparison_operator): Likewise.
3563 (alpha_fp_comparison_operator): New.
3564 (alpha_emit_conditional_branch): Handle unordered compares.
3565 * alpha.h (PREDICATE_CODES): Update.
3566 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
3567 (bunordered, bordered): New.
3569 2000-01-24 Richard Henderson <rth@cygnus.com>
3571 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
3572 * alpha.md (movtf): New expander, insn, and splitter.
3574 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
3576 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
3579 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
3581 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
3582 (FIXED_REGISTERS, CALL_USED_REGISTERS,
3583 REG_ALLOC_ORDER): Add frame pointer
3584 (FRAME_POINTER_REGNUM): Set to 20
3585 (HARD_FRAME_POINTER_REGNUM): New macro.
3586 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
3587 to HARD_FRAME_POINTER.
3588 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
3589 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
3590 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
3591 (HI_REGISTER_NAMES): Add "frame".
3592 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
3593 (debug_reg): Handle FRAME_POINTER_REGNUM.
3594 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
3595 GENERAL_REGS and INDEX_REGS.
3596 * i386.c (SAVED_REGS_FIRST): new macro.
3597 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
3598 (ix86_decompose_address, memory_address_length): Likewise.
3599 (regclass_map): Add frame pointer.
3600 (call_insn_operand): Handle frame_pointer_rtx.
3601 (reg_no_sp_operand): Likewise.
3602 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
3603 (print_operand, legitimize_pic_address): Fix formating.
3604 (ix86_compute_frame_size): Make static, update prototype, new
3605 parameters padding1, padding2, use ix86_nsaved_regs, use
3606 stack_alignment_needed.
3607 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
3608 to HARD_FRAME_POINTER_REGNUM conversions.
3609 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
3610 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
3611 (print_reg): Abort on FRAME_POINTER_REGNUM
3613 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
3615 * i386.h (PREDICATE_CODES): Add aligned_operand.
3616 * i386.c (aligned_operand): New function.
3617 (ix86_aligned_p): Kill.
3618 * i386.md (movhi_1): Emit mov for aligned operands.
3619 (promoting peep2s): Use aligned_operand.
3621 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
3623 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
3624 expression to allow underscores in macro names.
3625 (fix_char_macro_defines): Increment scanning pointer.
3627 2000-01-23 Richard Henderson <rth@cygnus.com>
3629 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
3630 * alpha/osf5.h: New file.
3631 * configure.in (alpha-*-osf5): Add it to tm_file.
3633 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
3635 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
3636 (alpha_emit_xfloating_cvt, function_arg): Declare.
3637 * alpha.c (alpha_emit_conditional_branch): Call
3638 alpha_emit_xfloating_compare for TFmode compares.
3639 (alpha_lookup_xfloating_lib_func): New.
3640 (alpha_compute_xfloating_mode_arg): New.
3641 (alpha_emit_xfloating_libcall): New.
3642 (alpha_emit_xfloating_arith): New.
3643 (alpha_emit_xfloating_compare): New.
3644 (alpha_emit_xfloating_cvt): New.
3645 (print_operand): Add default abort case.
3646 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
3647 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
3648 (BIGGEST_ALIGNMENT): Increase to 128 bits.
3649 (RETURN_IN_MEMORY): True for TF/TCmode.
3650 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
3651 (FUNCTION_ARG): Move to function_arg.
3652 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
3653 (ASM_OUTPUT_LONG_DOUBLE): New.
3654 (ASM_OUTPUT_DOUBLE): Always output bits.
3655 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
3656 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
3657 (extenddftf2, trunctfdf2): New.
3659 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
3661 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
3662 * config/sparc/sol2.h: ... here.
3664 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3666 * basic-block.h (struct loops): New field `levels'.
3667 * flow.c (flow_loops_level_compute): Traverse all outer loops.
3668 (flow_loop_level_compute): Initialise level to 1.
3669 (flow_loops_find): Set loops->levels.
3670 (flow_loops_dump): Print loops->levels.
3672 2000-01-23 Richard Henderson <rth@cygnus.com>
3674 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
3675 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
3677 2000-01-23 Richard Henderson <rth@cygnus.com>
3679 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
3680 * i386.h (DBX_REGISTER_NUMBER): Use them.
3681 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
3682 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
3683 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
3684 * i386/sequent.h: Kill incorrect comment.
3686 2000-01-23 Mark Mitchell <mark@codesourcery.com>
3688 * ggc-page.c (struct page_entry): Make `context_depth' an
3690 (struct globals): Likewise.
3692 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
3694 * loop.c (check_dbra_loop): When checking a loop for
3695 reversability, check the source of any stores to ensure
3696 they don't depend on an initial value.
3698 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3700 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
3702 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
3704 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
3705 'pz_scan' into scope of entire function. Only affects
3706 compiles with -DDEBUG.
3708 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
3710 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
3711 section naming to that prior to 2000-01-07 patch.
3712 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
3713 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
3714 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
3715 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
3716 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
3718 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
3720 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
3723 2000-01-21 Jim Wilson <wilson@cygnus.com>
3725 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
3726 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
3728 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
3730 * cpphash.c (change_newlines): Delete function.
3731 (struct argdata): Delete 'newlines' and 'use_count' fields.
3732 (macroexpand): Remove code referencing those fields.
3734 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3736 * loop.c (loops_info): New variable.
3737 (loop_optimize): Allocate loops->array and free it on exit.
3738 Allocate memory for loops_info and assign to each loop,
3740 (find_and_verify_loops): Do not allocate loops->array.
3742 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
3744 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
3746 2000-01-21 Jakub Jelinek <jakub@redhat.com>
3748 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
3749 pseudos if expanded after first flow.
3750 (movdi_pic_label_ref): Likewise.
3752 2000-01-20 Richard Henderson <rth@cygnus.com>
3754 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
3756 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
3758 * Makefile.in (fixinc.sh): Depend on specs.
3759 * fixinc/Makefile.in: Add rule to create machname.h.
3760 (fixlib.o): Depend on machname.h.
3761 * fixinc/fixtests.c (machine_name): New test.
3762 * fixinc/fixfixes.c (machine_name): New fix.
3763 * fixinc/fixlib.c (mn_get_regexps): New helper function for
3764 the machine_name test and fix.
3765 * fixinc/fixlib.h: Prototype it.
3766 * fixinc/inclhack.def (machine_name): Use the C test and fix.
3767 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
3769 * gcc.c (do_spec_1) [case P]: Take care not to create
3770 identifiers with three leading or trailing underscores.
3772 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
3773 (fixincl): Don't specify libraries twice on link line.
3774 (gnu-regex.o): Remove special rule.
3775 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
3776 defined by config.h. Do not define _REGEX_RE_COMP.
3777 (regcomp): Allocate and initialize a fastmap.
3778 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
3780 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
3782 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
3784 2000-01-19 Richard Henderson <rth@cygnus.com>
3786 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
3787 arguments with BB. Update all callers. Tidy line wrapping.
3789 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
3791 * emit-rtl.c (try_split): Return last_insn if we split the
3794 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
3796 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
3797 (ix86_initial_elimination_offset): Declare.
3798 * i386.c (ix86_nsaved_regs): Break out from ...
3799 (ix86_can_use_return_insn_p): ... here.
3800 (ix86_emit_save_regs): Break out from ...
3801 (ix86_expand_prologue): ... here.
3802 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
3804 (ix86_expand_epilogue): ... here.
3805 (ix86_compute_frame_size): Make static, add prototype.
3806 (ix86_initial_elimination_offset): Break out from ...
3807 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
3809 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3811 * recog.h (OUT_FCN): Delete.
3813 * vax.md: Call `get_insn_template' instead of OUT_FCN.
3815 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3817 * cppalloc.c: PROTO -> PARAMS.
3818 * cpperror.c: Likewise.
3819 * cppfiles.c: Likewise.
3820 * cpplib.c: Likewise.
3821 * cpplib.h: Likewise.
3823 * config/arm/arm-protos.h: PROTO -> PARAMS.
3824 * config/arm/arm.c: Likewise.
3825 * config/c4x/c4x.c: Likewise.
3826 * config/fr30/fr30-protos.h: Likewise.
3827 * config/nextstep.c: Likewise.
3828 * config/pa/pa.c: Likewise.
3829 * config/pj/pj.c: Likewise.
3830 * config/rs6000/rs6000.c: Likewise.
3831 * config/v850/v850-protos.h: Likewise.
3832 * config/v850/v850.c: Likewise.
3834 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3836 * i370-protos.h: New file.
3838 * i370.c: Include tm_p.h. Fix compile time warnings.
3840 * i370.h: Move prototypes to i370-protos.h. Fix compile time
3843 * i370.md: Likewise.
3845 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3847 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
3848 (target_isinf, target_isnan, eisnan): Mark parameter with
3850 (eiisinf): Wrap in INFINITY.
3851 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
3852 (ibmtoe): Remove unused variable `rndsav'.
3854 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3856 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
3857 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
3859 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
3861 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
3862 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
3863 (fix_char_macro_defines, fix_char_macro_uses): New functions.
3865 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
3866 Recognize Emacs mode markers also.
3867 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
3868 C++ comments in C++ headers. Call is_cxx_header only if
3871 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
3873 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
3874 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
3875 ... these, which use the new C fixes.
3876 (math_exception): Escape literal '+' in bypass expression.
3878 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
3881 2000-01-19 Geoff Keating <geoffk@cygnus.com>
3883 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
3886 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3888 * loop.c (loop_optimize): Allocate loop_info structure for each loop
3889 prior to calling scan_loop.
3891 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3893 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
3894 (split_branches, calc_live_regs): Likewise.
3896 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
3898 * sh.md (fpu_single, fp_mode): New attributes.
3900 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3902 * loop.c (current_loop_info): Renamed from loop_info_data
3903 and changed to a pointer.
3904 (loop_optimize): Allocate loop_info structure for each loop
3905 and initialise to zero.
3906 (scan_loop): Set current_loop_info.
3908 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
3911 2000-01-19 Richard Henderson <rth@cygnus.com>
3913 * stupid.c: Die die die.
3914 * Makefile.in (OBJS): Remove stupid.o.
3915 (stupid.o): Likewise.
3917 * except.c (emit_eh_context): Don't emit USEs for stupid.
3918 * explow.c (probe_stack_range): Likewise.
3919 * flags.h (obey_regdecls): Remove.
3920 * flow.c (find_basic_blocks): Don't run try_merge_blocks
3921 when not optimizing.
3922 (life_analysis): Limit data collection when not optimizing.
3923 (mark_regs_live_at_end): Always mark the return value registers.
3924 (mark_used_regs): Remove dummy RETURN case.
3925 (print_rtl_with_bb): Don't consult obey_regdecls.
3926 * function.c (use_variable, use_variable_after): Remove.
3927 (assign_parms): Consult optimize not obey_regdecls.
3928 (expand_function_start): Don't emit USEs for stupid.
3929 (expand_function_end): Likewise.
3930 * global.c (build_insn_chain): Export.
3931 * integrate.c (expand_inline_function): Kill return-value USE
3933 * jump.c (jump_optimize_1): Do simple jump optimizations and
3934 dead code elimination.
3935 (calculate_can_reach_end): Remove check_deleted argument.
3936 (delete_insn): Patch out insns even when not optimizing.
3937 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
3938 * rtl.h (use_variable, use_variable_after): Remove declarations.
3939 (build_insn_chain): Declare.
3940 * stmt.c (expand_value_return): Don't emit USEs for stupid.
3941 (expand_end_bindings): Likewise.
3942 (expand_decl): Likewise. Consult optimize not obey_regdecls.
3943 * toplev.c (obey_regdecls): Remove.
3944 (rest_of_compilation): Don't set it. Kill stupid in favour of
3945 flow1, local-alloc, and reload.
3946 (main): Don't set obey_regdecls.
3948 * config/nextstep.c (handle_pragma): Likewise.
3950 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
3952 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
3954 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3956 * alpha-protos.h: PROTO -> PARAMS.
3957 * alpha.c: Likewise.
3959 * h8300.c: Likewise.
3960 * i386-protos.h: Likewise.
3962 * m32r-protos.h: Likewise.
3965 * mips.md: Likewise.
3966 * gmon-sol2.c: Likewise.
3967 * sparc.c: Likewise.
3969 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3971 * ns32k-protos.h: New file.
3973 * ns32k.c: Fix compile time warnings.
3975 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
3978 * ns32k.md: Likewise.
3980 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3982 * vax-protos.h: New file.
3984 * vax.c: Fix compile time warnings.
3986 * vax.h: Move prototypes to vax-protos.h. Fix compile time
3991 * vaxv.md: Likewise.
3993 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3995 * romp-protos.h: New file.
3997 * romp.c: Fix compile time warnings.
3999 * romp.h: Move prototypes to romp-protos.h. Fix compile time
4002 * romp.md: Likewise.
4004 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4006 * we32k-protos.h: New file.
4008 * we32k.c: Fix compile time warnings.
4010 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
4013 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4015 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
4017 * except.c (eh_regs): Likewise.
4019 * final.c (output_operand): Likewise.
4021 * fold-const.c (target_isinf, target_isnan): Likewise.
4023 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
4025 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
4026 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
4028 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
4030 (clrstrsi): Rewrite.
4031 (strsethi, strsetqi): New expanders.
4032 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
4033 (cmpstrsi): Emit compare insn before cmpstrsi_1
4034 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
4035 (strlensi_1): Likewise.
4036 (cmpstrsi_1): Likewise; do not output compare.
4037 (strlen expander): Do not unroll when optimizing for size.
4038 (*subsi3_carry): Rename to subsi3_carry
4039 (addqi3_cc): New pattern.
4040 * i386.h (processor_costs): Add move_ratio field.
4041 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
4042 * i386.c (*_cost): Set move_ratio.
4043 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
4044 (x86_expand_strlensi_1): Rewrite the main loop.
4046 2000-01-17 Richard Henderson <rth@cygnus.com>
4048 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
4049 * cse.c (find_comparison_args, fold_rtx): Likewise.
4050 * integrate.c (subst_constants): Likewise.
4051 * loop.c (get_condition): Likewise.
4053 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
4055 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
4057 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
4059 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
4060 (RESTORE_WARN_FLAGS): Unpack it.
4061 Change semantic type of extension to ttype.
4062 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
4063 * c-parse.y, c-parse.c, objc/objc-parse.y,
4064 objc/objc-parse.c: Regenerate.
4066 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
4068 * fixinc/fixlib.c: Add copyright notice.
4069 (compile_re): New function.
4070 * fixinc/fixlib.h: Prototype compile_re.
4072 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
4073 Use compile_re to compile regular expressions.
4075 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
4076 where the pattern matched.
4078 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
4080 (ultrix_ansi_compat): Likewise.
4081 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
4083 (interactv_add2, interactv_add3): Delete.
4084 (x11_sprintf): Don't use filename glob.
4085 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
4088 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4090 * print-rtl.c: PROTO -> PARAMS.
4092 * reg-stack.c: Likewise.
4093 * resource.c: Likewise.
4094 * sdbout.h: Likewise.
4095 * simplify-rtx.c: Likewise.
4096 * stor-layout.c: Likewise.
4097 * stupid.c: Likewise.
4098 * xcoffout.c: Likewise.
4099 * xcoffout.h: Likewise.
4101 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4103 * toplev.c: PROTO -> PARAMS.
4104 * toplev.h: Likewise.
4107 * unroll.c: Likewise.
4108 * varasm.c: Likewise.
4109 * varray.c: Likewise.
4110 * varray.h: Likewise.
4112 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4114 * reload.c: PROTO -> PARAMS.
4115 * reload.h: Likewise.
4116 * reload1.c: Likewise.
4117 * reorg.c: Likewise.
4118 * resource.h: Likewise.
4121 * rtlanal.c: Likewise.
4122 * sbitmap.h: Likewise.
4123 * sdbout.c: Likewise.
4124 * stack.h: Likewise.
4126 * system.h: Likewise.
4128 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4130 * machmode.h: PROTO -> PARAMS.
4131 * mbchar.h: Likewise.
4132 * mips-tdump.c: Likewise.
4133 * mips-tfile.c: Likewise.
4134 * optabs.c: Likewise.
4135 * output.h: Likewise.
4136 * prefix.c: Likewise.
4137 * profile.c: Likewise.
4138 * protoize.c: Likewise.
4140 * recog.c: Likewise.
4141 * recog.h: Likewise.
4142 * regclass.c: Likewise.
4143 * regmove.c: Likewise.
4146 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4148 * ggc-common.c: PROTO -> PARAMS.
4149 * ggc-page.c: Likewise.
4150 * ggc-simple.c: Likewise.
4152 * global.c: Likewise.
4153 * graph.c: Likewise.
4154 * gthr-win32.h: Likewise.
4155 * haifa-sched.c: Likewise.
4156 * halfpic.h: Likewise.
4157 * integrate.c: Likewise.
4158 * integrate.h: Likewise.
4161 * local-alloc.c: Likewise.
4165 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4167 * genattr.c: PROTO -> PARAMS.
4168 * genattrtab.c: Likewise.
4169 * gencheck.c: Likewise.
4170 * gencodes.c: Likewise.
4171 * genconfig.c: Likewise.
4172 * genemit.c: Likewise.
4173 * genextract.c: Likewise.
4174 * genflags.c: Likewise.
4175 * gengenrtl.c: Likewise.
4176 * genopinit.c: Likewise.
4177 * genoutput.c: Likewise.
4178 * genpeep.c: Likewise.
4179 * genrecog.c: Likewise.
4181 2000-01-16 Mark Mitchell <mark@codesourcery.com>
4183 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
4185 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4187 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
4188 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
4189 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
4190 * configure, config.in: Rebuilt.
4192 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
4194 * config/i386/i386.md: Add peephole to merge successive stack
4197 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
4199 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
4200 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
4201 when walking backwards to find all the parameter loads when
4202 the basic block ends in a call.
4204 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4206 * loop.c (this_loop_info): Delete.
4207 (uid_loop): Add in place of uid_loop_num. All uses updated.
4208 (loop_number_exit_count): Delete and replace with entry in loop
4209 structure. All uses updated.
4210 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
4211 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
4212 (loop_outer_loop): Likewise.
4213 (loop_invalid, loop_number_exit_labels): Likewise.
4214 (loop_used_count_register): Delete and replace with entry in
4215 loop_info structure.
4216 (find_and_verify_loops): Add loops argument.
4217 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
4218 loop_end, etc. arguments with loop structure pointer. All callers
4220 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
4221 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
4222 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
4223 (insert_bct): Likewise.
4224 (basic_induction_var): New argument level.
4225 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
4226 vtop, and cont. Add used_count_register.
4227 (uid_loop): Delete declaration.
4228 (loop_number_exit_count): Likewise.
4229 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
4230 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
4231 (loop_outer_loop, loop_used_count_register): Likewise.
4232 (loop_invalid, loop_number_exit_labels): Likewise.
4233 (unroll_loop): Replace loop_start and loop_end arguments
4234 with loop structure pointer.
4235 (loop_precondition_p, loop_iterations): Likewise.
4236 Include basic-block.h.
4237 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
4238 with loop structure pointer.
4239 (loop_precondition_p, loop_iterations): Likewise.
4240 * basic-block.h (struct loop): New entries vtop, cont,
4241 cont_dominator, start, end, top, scan_start, exit_labels,
4243 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
4245 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4247 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
4249 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
4251 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
4253 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4255 * pdp11-protos.h: New file.
4257 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
4260 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
4263 * pdp11.md: Likewise.
4267 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4269 * mn10300-protos.h: New file.
4271 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
4274 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
4277 * mn10300.md: Likewise.
4279 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4281 * mn10200-protos.h: New file.
4283 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
4286 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
4289 * mn10200.md: Likewise.
4291 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4293 * h8300-protos.h: New file.
4295 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
4298 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
4301 * h8300.md: Likewise.
4303 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4305 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
4306 (asm_emit_uninitialised): Likewise.
4308 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
4310 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
4311 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
4313 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
4315 * config/mips/mips.c (override_options): Don't turn on extra
4316 alignment for mips16.
4318 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
4320 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
4321 eabi, and make sure queued POSTINCREMENT rtl is emitted at
4324 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
4326 * builtins.c (PAD_VARARGS_DOWN): Define.
4327 (std_expand_builtin_va_arg): Use the above macro.
4328 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
4329 * tm.texi (Register Arguments): Document the above macro.
4331 2000-01-14 Nick Clifton <nickc@cygnus.com>
4333 * emit-rtl.c (emit_insn): If checking is enabled, make sure
4334 that this function has not been used to emit a jump
4337 * jump.c (return_jump_1): Cope with being passed a null rtx.
4339 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4341 * eh-common.h: PROTO -> PARAMS.
4342 * emit-rtl.c: Likewise.
4343 * errors.c: Likewise.
4344 * errors.h: Likewise.
4345 * except.c: Likewise.
4346 * except.h: Likewise.
4347 * explow.c: Likewise.
4348 * expmed.c: Likewise.
4351 * final.c: Likewise.
4352 * fix-header.c: Likewise.
4354 * fold-const.c: Likewise.
4355 * function.c: Likewise.
4356 * function.h: Likewise.
4358 * gcov-io.h: Likewise.
4362 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4364 * sh-protos.h: New file.
4366 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
4367 Add static prototypes. Fix compile time warnings.
4369 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
4373 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4375 * arc-protos.h: New file.
4377 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
4380 * arc.h: Move prototypes to arc-protos.h. Fix compile time
4385 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4387 * dsp16xx-protos.h: New file.
4389 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
4392 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
4395 * dsp16xx.md: Likewise.
4397 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4399 * convex-protos.h: New file.
4401 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
4404 * convex.h: Move prototypes to convex-protos.h. Fix compile time
4407 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4409 * elxsi-protos.h: New file.
4411 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
4414 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
4417 * elxsi.md: Likewise.
4419 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
4421 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
4422 case for moving from HI/LO/HI_LO_REG. This makes the behavior
4423 match the comment for MIPS16.
4425 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
4427 * flow.c (split_edge): Do not call set_block_for_insn if we
4428 do not have a basic_block_for_insn structure.
4430 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
4431 and destination functions are 32bit aligned within the trampoline.
4432 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
4433 (TRAMPOLINE_ALIGNMENT): Define.
4435 * cse.c (cse_insn): When changing (set (pc) (reg)) to
4436 (set (pc) (label_ref)), verify the change creates a valid insn.
4438 * fr30.c (call_operand): Tighten and rework to match rules for
4439 call RTL expressions.
4440 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
4441 * fr30.md (call patterns): Improve constraints.
4443 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
4445 * fr30.c (fr30_expand_epilogue): Revert last change.
4446 Use emit_jump_insn for the return insn.
4448 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
4449 Stan Cox <scox@cygnus.com>
4451 * predict.c: New file. Preliminary infrastructure work for static
4452 branch prediction and basic block reordering.
4453 * basic-block.h: Add prototype for estimate_probability.
4454 * Makefile.in: Add rules for predict.o.
4456 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
4458 * fixincludes (va_list): Use __not_va_list__ for the dummy.
4459 * fixinc/*: Likewise.
4461 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4463 * cccp.c: PROTO -> PARAMS.
4465 * collect2.c: Likewise.
4466 * combine.c: Likewise.
4467 * convert.h: Likewise.
4469 * dbxout.c: Likewise.
4470 * dbxout.h: Likewise.
4471 * diagnostic.c: Likewise.
4472 * doprint.c: Likewise.
4473 * dwarf2out.c: Likewise.
4474 * dwarf2out.h: Likewise.
4475 * dwarfout.c: Likewise.
4476 * dwarfout.h: Likewise.
4477 * dyn-string.h: Likewise.
4479 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4481 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
4482 macro conditionals guarding use.
4484 * dwarf2out.c: Include "tm_p.h".
4486 * function.c (locate_and_pad_parm): Mark parameter with
4488 (expand_function_end): Likewise for variable `context'.
4490 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
4492 2000-01-13 Nick Clifton <nickc@cygnus.com>
4494 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
4495 register to prevent compile time warnings.
4497 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
4499 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
4500 to avoid -Wtraditional warning.
4502 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4504 * 1750a-protos.h: New file.
4506 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
4509 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
4512 * 1750a.md: Likewise.
4514 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4516 * a29k-protos.h: New file.
4518 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
4521 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
4524 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4526 * clipper-protos.h: New file.
4528 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
4531 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
4534 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
4536 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
4538 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
4540 * configure.in (--enable-new-gxx-abi): New option.
4541 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
4542 * Makefile.in (GXX_ABI_FLAG): New variable.
4543 * configure: Regenerate.
4545 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4547 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
4548 * tm.texi (FORCE_STRUCT_BLK): Document.
4549 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
4551 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
4553 * config/ns32k/ns32k.md: Revert Jan 9 change.
4555 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
4556 to a mode-test, if the predicate is address_operand.
4558 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
4560 * combine.c (if_then_else_cond): Be careful about what kinds
4561 of RTL expressions are passed to operand_subword.
4563 * flow.c (split_edge): If we have to insert a new jump, make
4564 sure to associate it with a basic block.
4566 * flow.c (commit_one_edge_insertion): A block with one successor
4567 can end in a JUMP_INSN that is not a simplejump.
4569 2000-01-12 Robert Lipe <robertl@sco.com>
4571 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
4572 (BUILD_VA_LIST_TYPE): Define.
4573 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
4576 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
4578 * cccp.c (do_pragma): Add cast to (char *).
4580 2000-01-12 Richard Henderson <rth@cygnus.com>
4581 Fred Fish <fnf@be.com>
4582 Jason Merrill <jason@cygnus.com>
4584 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
4585 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
4586 * i386/beos-elf.h, i386/beos-pe.h: New files.
4588 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
4589 * cross-make (SYSTEM_HEADER_DIR): Define using
4590 CROSS_SYSTEM_HEADER_DIR.
4592 * gcc.c (LIBRARY_PATH_ENV): Provide default.
4593 (process_command): Use it.
4594 (main): Likewise. Kill trailing = from env vars.
4595 (build_search_list): Put it back.
4596 * collect2.c (main): Use LIBRARY_PATH_ENV.
4598 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
4599 * toplev.c: Use NEED_DECLARATION_ENVIRON.
4601 * tm.texi (Frame Layout): Document SMALL_STACK.
4602 * c-common.c (c_common_nodes_and_builtins): Check it.
4604 * system.h: Undef alloca after including glibc's <stdlib.h>,
4605 if USE_C_ALLOCA is defined.
4607 * gcc.c (set_input): New fn.
4608 (main): After all input files are compiled, reset the input file
4611 * aclocal.m4 (rindex, index): If already defined, don't attempt
4614 * ginclude/varargs.h: (__va_list__): Define ifndef.
4615 * ginclude/stdarg.h: Likewise.
4617 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
4618 instead of unsigned char.
4620 * hash.h (true, false, boolean): Undef before enum.
4622 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
4623 proper type of "HOST_WIDE_INT *", rather than their natural type of
4624 "unsigned HOST_WIDE_INT *".
4626 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4628 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
4630 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
4632 * regclass.c (choose_hard_reg_mode): Likewise.
4634 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
4636 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
4638 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4640 * c-common.c: PROTO -> PARAMS.
4641 * c-common.h: Likewise.
4642 * c-decl.c: Likewise.
4643 * c-iterate.c: Likewise.
4644 * c-lang.c: Likewise.
4645 * c-lex.c: Likewise.
4646 * c-lex.h: Likewise.
4647 * c-parse.in: Likewise.
4648 * c-pragma.c: Likewise.
4649 * c-pragma.h: Likewise.
4650 * c-tree.h: Likewise.
4651 * c-typeck.c: Likewise.
4652 * objc/objc-act.c: Likewise.
4653 * objc/objc-act.h: Likewise.
4655 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4657 * m88k-protos.h: New file.
4659 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
4662 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
4664 * m88k.md: Likewise.
4666 * tekXD88.h: Likewise.
4668 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4670 * m68k-protos.h: New file.
4672 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
4675 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
4677 * mot3300.h: Likewise.
4679 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
4681 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
4683 (extract_bitlist): Declare bitlen.
4685 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
4687 * cccp.c: Accept and ignore -lang-fortran.
4689 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
4690 qualifiers don't match at any level of pointerness.
4692 2000-01-12 Robert Lipe <robertl@sco.com>
4694 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
4696 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
4698 * reload1.c (reload_reg_unavailable): New static variable.
4699 (reload_reg_free_p): Test it.
4700 (reload_reg_free_for_value_p): Test it instead of
4702 (choose_reload_regs_init): Compute it.
4704 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
4706 * reorg.c (fill_slots_from_thread): Check modified_in_p
4709 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
4711 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
4712 these nodes even if INTERNALS is not set.
4714 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
4716 * gcse.c (delete_null_pointer_checks_1): Cope when
4717 get_condition cannot determine the condition.
4719 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
4721 * toplev.h (set_message_length): Declare.
4723 * diagnostic.c (obstack_chunk_alloc): Define macro.
4724 (obstack_chunk_free): Likewise.
4725 (struct output_buffer): New data structure.
4727 (output_maximum_width): New variable.
4728 (doing_line_wrapping, set_message_length, init_output_buffer,
4729 get_output_prefix, output_space_left, emit_output_prefix,
4730 output_newline, output_append, output_puts, dump_output,
4731 vbuild_message_string, build_message_string, build_location_prefix,
4732 voutput_notice, output_printf, line_wrapper_printf,
4733 vline_wrapper_message_with_location): New functions. Implement
4734 automatic line wrapping.
4735 (v_message_with_decl): Make it handle automatic line wrapping.
4736 (v_error_with_file_and_line): Likewise.
4737 (v_warning_with_file_and_line): Likewise.
4738 (announce_function): Likewise.
4739 (default_print_error_function): Likewise.
4741 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
4743 * cpplib.h (struct cpp_options): Change lang_asm to char.
4745 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
4746 done in cpp_handle_option now.
4747 (initialize_builtins): Take out special case code used only by
4749 (cpp_handle_option): Turn off trigraphs and trigraph warnings
4750 if -traditional. Recognize -lang-fortran and set
4751 lang_fortran, also turn off cplusplus_comments.
4752 (print_help): Document -lang-fortran.
4753 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
4754 lang_asm. Ignore all directives other than `# 123 "file"' if
4756 (cpp_get_token): If -traditional, don't recognize directives
4757 unless the # is in column 1.
4758 (parse_string): If lang_fortran or lang_asm, silently
4759 terminate strings ('' or "") at end of line.
4760 Remove unnecessary braces.
4762 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4763 Richard Henderson <rth@cygnus.com>
4765 * resource.c (mark_referenced_resources): Mark a set strict_low_part
4767 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
4768 strict_low_part when possible.
4770 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4772 * alias.c: PROTO -> PARAMS.
4773 * basic-block.h: Likewise.
4774 * bitmap.c: Likewise.
4775 * bitmap.h: Likewise.
4776 * builtins.c: Likewise.
4777 * c-aux-info.c: Likewise.
4778 * caller-save.c: Likewise.
4779 * calls.c: Likewise.
4781 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4783 * Makefile.in (toplev.o): Depend on regs.h.
4785 * output.h (tdesc_section): Prototype.
4787 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
4789 * sdbout.c: Include "tm_p.h".
4791 * toplev.c: Include "regs.h".
4793 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
4795 * unroll.c (unroll_loop): Add EH support.
4797 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4799 * pa-protos.h: New file.
4801 * pa.c: Include recog.h and tm_p.h.
4802 (compute_zdepwi_operands, compute_movstrsi_length,
4803 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
4804 find_addr_reg, import_milli): Add static prototypes.
4805 (pa_cpu_string, pa_arch_string): Constify a char*.
4806 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
4807 (read_only_operand): Add argument `mode'.
4808 (singlemove_string, output_move_double, output_fp_move_double,
4809 output_block_move, output_and, output_ior, output_ascii,
4810 remove_useless_addtr_insns, milli_names, output_mul_insn,
4811 output_div_insn, output_mod_insn, output_arg_descriptor,
4812 output_cbranch, output_bb, output_bvb, output_dbra, ,
4813 output_millicode_call, output_call, hppa_encode_label,
4814 output_parallel_movb, output_parallel_addb): Constify a char*.
4815 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
4816 (output_parallel_addb): Remove extra arg to `constrain_operands'
4818 * pa.h: Move all prototypes to pa-protos.h.
4819 (pa_cpu_string, pa_arch_string): Constify a char*.
4820 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
4822 * pa.md: Call `function_label_operand' with mode argument.
4823 Likewise for `read_only_operand'.
4824 Fix nesting of parens in call to `symbolic_operand'.
4826 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4828 * i860-protos.h: New file.
4830 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
4833 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
4835 * i860.md: Likewise.
4837 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
4839 * i386.md (movstrsi expander): Rewrite.
4840 (movstrsi_1 insn): Deleted.
4841 (strmovhi, strmovqi expander): New expanders.
4842 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
4843 * i386.c (x86_single_stringop): New global variable.
4844 * i386.h (x86_single_stringop): Declare.
4845 (TARGET_SINGLE_STRINGOP): New macro.
4847 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
4849 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
4850 integer vararg POSTINCREMENT before the destination of the jump
4851 for the hard fp case.
4852 (function_arg_pass_by_reference): Pass a copy of CUM to
4855 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
4856 for CONSTANT_ADDRESS_P above while loop for subreg.
4858 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
4860 * flow.c (propagate_block): When a prologue/epilogue insn
4861 is marked dead, unconditionally clear libcall_is_dead and
4862 insn_is_dead, and only dump rtl if warnings aren't being
4865 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
4867 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
4868 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
4869 (FIXED_REGISTERS): Set dirflag as fixed.
4870 (CALL_USED_REGISTERS): Set dirflag as used.
4871 (REG_ALLOC_ORDER): Set dirflag as last one.
4872 (DIRFLAG_REG): New macro.
4873 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
4874 (HI_REGISTER_NAMES): Add dirflag.
4875 (DEBUF_PRINT_REG): Handle dirflag.
4876 * i386.md (type attribute): New cld and str types.
4877 (length_opcode attribute): Set cld and str to 1.
4878 (memory attribute): Set str to unknown - it is not clear from the
4880 (pent_np function unit): Prefixed string operations takes 12 cycles
4881 minimally; cld takes 2 cycles.
4882 (ppro_uops attribute): Str is "many" and cld is "few".
4883 (ppro_p0 unit): Handle cld here.
4884 (k6_alux unit): Handle cld and str types.
4885 (k6_load unit): It is ocupied by str opcodes.
4886 (k6_store unit): It is ocupied by str opcodes.
4887 (athlon_decode): Str is vector decoded.
4888 (athlon_ieu): Handle str and cld.
4890 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
4891 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
4892 cmpstrsi_nz_1 insn): Do not output cld instruction
4894 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
4896 * gcc.texi (G++ and GCC): Add Java and Chill.
4897 (Bug Critera): Don't list languages.
4899 * gcc.texi (Incompatibilities): No longer claim most C compilers
4902 * gcc.texi (G++ and GCC): Update other front-ends list.
4904 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
4906 * i386.c (ix86_expand_setcc): Fix typo.
4907 (ix86_expand_movcc): Similarly.
4909 * Band-aid until haifa's bitset implementation is nuked.
4910 * haifa-sched.c (extract_bitlst): New parameter for size of the
4911 bitset in bits. All callers changed. Avoid looking at undefined
4913 (edgeset_bitsize): New variable.
4914 (schedule_region): Initialize edgeset_bitsize.
4916 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4918 * Makefile.in (optabs.o): Depend on real.h
4919 (resource.o): Depend on insn-attr.h
4921 * builtins.c (result_vector): Wrap prototype in macro conditions
4922 governing definition and use.
4924 * c-common.c: Include tm_p.h.
4926 * c-lex.c: Likewise.
4928 * elfos.h: Constify a char*.
4930 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
4931 (get_attr_length, shorten_branches, profile_after_prologue): Mark
4932 parameter with ATTRIBUTE_UNUSED.
4934 * fold-const.c (exact_real_inverse): Wrap variable `i' in
4937 * haifa-sched.c (schedule_insns): Mark parameter with
4940 * optabs.c: Include real.h.
4942 * real.h (ereal_atof): Add prototype arguments.
4944 * resource.c: Include insn-attr.h.
4946 * sdbout.c (sdbout_queue_anonymous_type,
4947 sdbout_dequeue_anonymous_types): Wrap in macro
4948 SDB_ALLOW_FORWARD_REFERENCES.
4949 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
4952 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
4954 * stupid.c: Include tm_p.h.
4956 * tree.c (real_value_from_int_cst): Mark parameter with
4959 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4961 * i960-protos.h: New file.
4963 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
4966 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
4968 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
4970 * combine.c (expand_field_assignment): Do not discard SUBREGs
4971 while computing nonzero_bits.
4973 2000-01-09 Nick Clifton <nickc@cygnus.com>
4975 * config/arm/arm.c: Fix compile time warnings about signed vs
4977 * config/arm/arm.h: Fix compile time warnings about signed vs
4980 2000-01-09 Philip Blundell <philb@gnu.org>
4982 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
4983 than `ldm' with only one register.
4984 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
4987 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
4990 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
4992 * config/ns32k/ns32k.md (load or push effective address): Operand 1
4995 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4997 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
4998 assignment used as truth value.
5000 * function.c (assign_temp): Mark parameter `dont_promote' with
5001 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
5002 PROMOTE_FOR_CALL_ONLY.
5004 * genrecog.c (write_subroutine): Mark variable `operands' with
5007 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
5010 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
5011 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
5013 * toplev.c (note_deferral_of_defined_inline_function): Likewise
5016 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5018 * config/c4x.h: Tidy up comments.
5019 * config/c4x.c: Likewise.
5021 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
5023 * fold-const.c (lshift_double, rshift_double): Handle
5024 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
5026 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5028 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
5029 in prepare_function_start().
5031 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
5033 * config/v850/v850.c (expand_epilogue): Interrupt functions no
5034 longer allocate extra stack for function calls.
5036 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5038 * config/c4x/c4x.md (*subqf3_set): Fix typo.
5040 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5042 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
5044 2000-01-07 David Edelsohn <edelsohn@gnu.org>
5046 * rs6000.c (processor_target_table): Add power3 as alias for 630.
5047 * aix43.h: Revert Aug 2 change.
5048 (HAS_INIT_SECTION): Define, not visible yet.
5049 (LD_INIT_SWITCH): Define, not visible yet.
5050 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
5052 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
5054 * collect2.c (main): Expand ld2 size further.
5055 (export_object_lst): Cast assignment to avoid warning.
5056 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
5057 (scan_prog_file, COFF): Do not collect initialization or
5058 finalization functions generated for entire shared object if
5059 init/fini support present.
5061 2000-01-07 Nick Clifton <nickc@cygnus.com>
5063 * config/elfos.h: Tidy up formatting of marcos. Make sure
5064 that .section directives are always prefixed by a tab.
5066 * config/svr4.h: Add #include "elfos.h" and remove duplicate
5069 2000-01-07 Matt Austern <austern@sgi.com>
5071 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
5074 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
5076 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
5078 (crtbegin.o, s-crtS): Likewise.
5080 2000-01-06 Richard Henderson <rth@cygnus.com>
5082 * alpha.md (adddi_2+1): Limit offset such that it will be
5083 loadable with a single ldah+lda pair.
5084 (adddi_2+2): Explicitly fail split if we can't make it work.
5086 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
5088 * protoize.c: Conditionally include unistd.h.
5089 (IS_SAME_PATH_CHAR): New macro.
5090 (IS_SAME_PATH): New macro.
5091 (CPLUS_FILE_SUFFIX): New macro.
5092 (cplus_suffix): New static variable.
5093 (is_abspath): New static function.
5094 (in_system_include_dir): Handle DOS style pathnames.
5095 (file_could_be_converted): Likewise.
5096 (file_normally_convertible): Likewise.
5097 (directory_specified_p): Likewise.
5098 (file_excluded_p): Likewise.
5099 (abspath): Likewise.
5100 (shortpath): Likewise.
5101 (referenced_file_is_newer): Likewise.
5102 (save_def_or_dec): Likewise.
5103 (do_processing): Likewise.
5105 (edit_file): Likewise. Use rename instead of link.
5106 (rename_c_file): Likewise. Don't rename syscalls file.
5107 (munge_compile_params): Define null device for DOS based systems.
5108 (process_aux_info_file): Use binary mode if appliable.
5109 (edit_file): Likewise.
5110 * invoke.texi (Running Protoize): Document C++ suffixes used.
5112 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
5113 IS_DIR_SEPARATOR macros.
5114 * collect2.c: Likewise.
5115 * cppinit.c: Likewise.
5116 * dwarf2out.c: Likewise.
5119 * prefix.c: Likewise.
5121 * toplev.c: Likewise.
5122 * system.h: And move to here.
5124 * prefix.c (update_path): Fix typo in variable name.
5126 2000-01-06 Richard Henderson <rth@cygnus.com>
5128 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
5129 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
5130 (count_reg_sets_1, count_reg_references): Likewise.
5131 (flow_loops_level_compute): Start counting actual loop depth at 1.
5132 (flow_loops_find): Likewise.
5133 * local-alloc.c (update_equiv_regs): Likewise.
5134 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
5136 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
5138 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
5139 FIRST_PSEUDO_REGISTER
5140 * dwarf2out.c: Don't include frame.h
5141 * dwarfout.c: Likewise
5142 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
5145 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
5147 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
5150 * i386.c (movsf splitter): Fix typo in my last checkin.
5152 2000-01-05 Nick Clifton <nickc@cygnus.com>
5154 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
5155 own definition of this macro.
5156 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
5157 flag_data_sections or UNIQUE_SECTION_P are true.
5159 * tm.texi (UNIQUE_SECTION): Document that it can be called for
5160 unitialised data decls.
5162 * config/i386/winnt.c (i386_pe_unique_section): Cope with
5163 being called for uninitialised data.
5165 * config/i386/interix.c (i386_pe_unique_section): Cope with
5166 being called for uninitialised data.
5168 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
5169 for uninitialised data.
5171 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
5172 for uninitialised data.
5174 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
5175 for uninitialised data.
5177 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
5178 (UNIQUE_SECTION_P): Always generate a unique section if
5179 flag_data_sections is true.
5180 (UNIQUE_SECTION): Also generate unique sections for
5182 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
5183 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
5186 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5188 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
5191 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5193 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
5194 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
5195 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
5196 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
5197 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
5199 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
5201 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
5203 * c-decl.c (finish_enum): Simplify code to determine minimum and
5204 maximum values of the enum, and calculate the type. Remove check
5205 for FUNCTION_DECLs in the values list, which cannot happen. Replace
5206 the DECL_INITIAL of each enumeration constant with a copy converted
5207 to the enumeration type. When updating variant types, don't bother
5208 updating the type itself.
5210 * c-typeck.c (build_binary_op): Simplify conditional expressions
5211 when weeding out spurious signed-unsigned warnings. Add new
5212 spurious warning category: if the unsigned quantity is an enum
5213 and its maximum value fits in signed_type(result_type). Update
5215 (build_conditional_expr): Warn here if one alternative is signed
5216 and the other is unsigned.
5218 2000-01-05 Nick Clifton <nickc@cygnus.com>
5220 * config/fr30/fr30.h: Remove extraneous comments.
5222 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
5224 * reload1.c (choose_reload_regs): When disabling a reload, also
5225 set reload_spill_index to -1.
5227 2000-01-04 Joel Sherrill (joel@OARcorp.com>
5229 * configure.in (m68*-*-rtemscoff*): New target, formal name for
5231 (m68*-*-rtemself*): New target.
5232 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
5233 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
5234 (sparc*-*-rtemself*): New target.
5235 (sparc*-*-rtems*): Now elf not a.out.
5236 * config/i386/rtems.h: Include config/rtems.h.
5237 * config/i386/rtemself.h: Include config/rtems.h.
5238 * config/i960/rtems.h: Include config/rtems.h.
5239 * config/m68k/rtems.h: Include config/rtems.h.
5240 * config/m68k/rtemself.h: Include config/rtems.h.
5241 * config/mips/rtems64.h: Include config/rtems.h.
5242 * config/pa/rtems.h: Include config/rtems.h.
5243 * config/rs6000/rtems.h: Include config/rtems.h.
5244 * config/sh/rtems.h: Include config/rtems.h.
5245 * config/sh/rtemself.h: Include config/rtems.h.
5246 * config/sparc/rtems.h: Include config/rtems.h.
5247 * config/sparc/rtemself.h: Include config/rtems.h
5249 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
5251 * final.c (shorten_branches): Correctly compute length of
5252 asms without operands.
5254 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
5256 * configure.in: Add pj target.
5257 * configure: Regenerate.
5258 * config/pj: New directory.
5259 * config/pj/lib1funcs.S: New file.
5260 * config/pj/linux.h: New file.
5261 * config/pj/pj.c: New file.
5262 * config/pj/pj.md: New file.
5263 * config/pj/pjl.h: New file.
5264 * config/pj/t-pj: New file.
5265 * config/pj/xm-pj.h: New file
5267 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
5269 * toplev.c (rest_of_compilation): Run shorten-branches before
5272 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5274 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
5275 macros so that they're consistent with their names.
5276 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
5277 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
5279 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5281 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
5282 modified inadvertently.
5284 2000-01-04 Joel Sherrill <joel@OARcorp.com>
5286 * configure.in (v850*-*-rtems*): New target.
5287 * configure: Regenerate.
5288 * config/v850/rtems.h: New file.
5290 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
5292 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
5293 (__gthread_key_create): Likewise.
5294 (__gthread_key_dtor): Likewise.
5295 (__gthread_once): Fix logic.
5296 (__gthread_key_delete): Cast away constness.
5298 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
5299 * invoke.texi: Document.
5300 * i386/mingw32.h (CPP_SPEC): Use.
5301 (LIBGCC_SPEC): Likewise.
5302 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
5304 2000-01-04 David Edelsohn <edelsohn@gnu.org>
5306 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
5307 (HANDLE_PRAGMA_PACK): Undefine.
5308 (SLOW_UNALIGNED_ACCESS): Define.
5310 2000-01-04 David Edelsohn <edelsohn@gnu.org>
5312 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
5313 to default definition.
5314 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
5315 (store_fixed_bit_field): Call macro with word_mode and alignment.
5316 (extract_bit_field): Call macro with relevant mode and alignment.
5317 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
5318 to default definition.
5319 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
5321 (move_by_pieces_ninsns): Likewise.
5322 (clear_by_pieces): Likewise.
5323 (emit_push_insn): Likewise.
5324 (store_field): Call macro with relevant mode and alignment.
5325 (expand_expr): Likewise.
5326 (expand_expr_unaligned): Likewise.
5328 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
5329 (SLOW_UNALIGNED_ACCESS): Define.
5330 (CASE_VECTOR_MODE): Always use 32-bit offsets.
5331 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
5332 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
5333 (toc_section): Likewise and .toc pseudo-op.
5334 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
5336 (TEXT_SECTION_ASM_OP): Likewise.
5337 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
5340 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
5341 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
5342 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
5343 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
5344 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
5346 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
5348 * regclass.c: Revert my Jan 4 change to loop cost computation.
5350 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
5352 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
5355 2000-01-04 Stan Cox <scox@cygnus.com>
5357 * haifa-sched.c (build_control_flow): Change unreachable simple
5358 loop test to check if current block has only one predecessor.
5359 (find_rgns): Initialize degree. Use dest as degree index, not src.
5361 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5363 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
5365 * calls.c (expand_call): Likewise for
5366 `old_stack_arg_under_construction'.
5368 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
5370 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
5373 * gcc.c (execute): Likewise for `ut' and `st'.
5375 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
5377 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
5379 * jump.c (jump_optimize_1): Likewise for `temp2'.
5381 * local-alloc.c (block_alloc): Likewise for `r1'.
5383 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
5385 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
5386 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
5388 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
5391 * reload.c (find_reloads): Likewise for `goal_alternative_number'
5392 and `goal_earlyclobber'.
5394 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
5396 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
5398 * stupid.c (stupid_life_analysis): Likewise for `chain'.
5400 * unroll.c (copy_loop_body): Likewise for `copy'.
5402 * varasm.c (output_constructor): Likewise for `byte'.
5404 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
5406 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
5407 all FP constants for constant->reg moves.
5408 (ix86_split_to_parts): Try to convert memory address into immediate
5409 when available in the constant pool.
5410 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
5412 (LEGITIMATE_CONSTANT_P): Return 1.
5413 * i386.md (pushsf): New splitter to convert constant pool memory
5414 reference to immediate.
5415 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
5418 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
5420 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
5421 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
5422 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
5423 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
5424 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
5426 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
5428 * ginclude/stdbool.h: Support compilation as C++.
5430 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
5432 * fold-const.c (make_range): Don't try to reverse an unbounded range.
5434 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
5436 * regclass.c (regclass): Properly compute loop_cost. Adjust
5439 * regclass.c: Fix minor whitespace problems.
5441 2000-01-03 Anthony Green <green@cygnus.com>
5443 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
5444 Restore the pic register if required.
5446 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
5448 * c-common.c (format_char_info): Update comment.
5449 (check_format_info): Recognize 'z' modifier in the same way 'Z'
5450 was recognized. Emit warning for formats new in ISO C99 only
5451 if flag_isoc9x is not set.
5453 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
5455 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
5457 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
5459 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
5460 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
5461 (make_compound_operation): Choose cheaper alternative between
5462 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
5464 * regclass.c (op_costs): Remove global variable.
5465 (record_reg_classes): New parameter "op_costs" and "reg_pref".
5466 (record_operand_costs): Break out from ...
5467 (scan_one_insn): ... here.
5468 (dump_regclass): Make dumps nicer.
5469 (regclass): Dump preferrences choosed and changes done during passes.
5471 2000-01-03 Jakub Jelinek <jakub@redhat.com>
5473 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
5475 2000-01-03 Jakub Jelinek <jakub@redhat.com>
5477 * config/sparc/sparc.c (gen_df_reg): New function.
5478 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
5479 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
5480 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
5481 movtf_cc_reg_sp64+1): Use it.
5483 2000-01-02 Mark Mitchell <mark@codesourcery.com>
5485 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
5488 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
5490 * config/i386/i386.c (ix86_expand_unary_operator): Function
5491 definition made void.
5492 (ix86_expand_binary_operator): Update outdated preceding comment.
5493 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
5496 * config/i386/i386.c (override_options): Fix option-name typo.
5498 2000-01-02 Mark Mitchell <mark@codesourcery.com>
5500 * system.h (CEIL): Define.
5501 * builtins.c (CEIL): Remove.
5502 * expmed.c (CEIL): Likewise.
5503 * expr.c (CEIL): Likewise.
5504 * stor-layout.c (CEIL): Likewise.
5506 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5508 * expr.c (store_constructor_field): Fix typo introduced with last
5511 2000-01-01 Mark Mitchell <mark@codesourcery.com>
5513 * tree.h (BINFO_N_BASETYPES): New macro.
5515 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
5517 * expmed.c (emit_store_flag): Prevent losing a pending stack
5518 adjust the same way we prevent losing queued increments.
5520 Fri Dec 31 19:10:31 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5522 * function.c (update_temp_slot_address): Handle case where sum of
5523 temporary address plus offset in register is a valid address.
5525 1999-12-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5527 * genrecog.c (change_state) Corrected typo.
5529 1999-12-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5531 * system.h (bcopy, bcmp, bzero, index, rindex, atof, atol, free,
5532 getcwd, getenv, getwd, sbrk, strstr, malloc, calloc, realloc,
5533 strerror, getrlimit, setrlimit, abort): Add prototype arguments.
5535 1999-12-30 Bernd Schmidt <bernds@cygnus.co.uk>
5537 * i386.c (ix86_expand_fp_compare): In non-sahf non-TARGET_IEEE
5538 case, expand GT comparisons correctly. Fix a comment before this
5541 1999-12-30 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
5543 * dwarfout.c: Include "frame.h"
5544 * dwarf2out.c: Likewise.
5545 * Makefile.in (dwarfout.o): Depend on frame.h
5546 (dwarf2out.o): Likewise.
5548 1999-12-29 "Martin v. Loewis" <martin@loewis.home.cs.tu-berlin.de>
5550 Restore i386 binary compatibility in Dwarf EH info.
5551 * config/i386/i386.h (DWARF_FRAME_REGISTERS): Define as 17, the old
5552 value of FIRST_PSEUDO_REGISTER.
5553 * frame.h (DWARF_FRAME_REGISTERS): Default to FIRST_PSEUDO_REGISTER.
5554 (struct frame_state): Use DWARF_FRAME_REGISTERS.
5555 * dwarfout.c (output_reg_number): Ditto.
5556 * dwarf2out.c (reg_number, expand_builtin_init_dwarf_reg_sizes): Ditto.
5557 (DWARF_FRAME_RETURN_COLUMN): Default to DWARF_FRAME_REGISTERS.
5559 1999-12-29 Bruce Korb <autogen@linuxbox.com>
5561 * fixinc/fixincl.c(wait_for_pid): sometimes a WSTOPSIG of zero is OK
5562 * fixinc/fixincl.tpl(<hack>TEST_CT): Just do the existence test once
5563 (<hack>_RE_CT): not needed
5564 * fixinc/fixlib.c(is_cxx_header): moved from fixtests.c
5565 rewritten to scan the file text once only
5566 "template<..." test added
5567 * fixinc/fixlib.h(apply_fix_p_t): moved from fixtests.c
5568 (is_cxx_header): declaration added
5569 * fixinc/fixtests.c(is_cxx_header): removed
5570 (apply_fix_p_t): removed
5571 (double_slash_test): is_cxx_header is only called once now
5572 * fixinc/hackshell.tpl: indexing the fixes is now done under DEBUG
5573 * fixinc/inclhack.def(FIXINC_DEBUG): added for testing DEBUG state
5574 within the templates.
5575 The borken spelling of "broken" was fixed.
5576 * fixinc/inclhack.tpl: The $VERBOSE level is used on various messages
5577 The default level depends on FIXINC_DEBUG.
5579 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5581 * crtstuff.c: If !inhibit_libc, include stdlib.h/unistd.h.
5582 Otherwise provide a declaration for atexit.
5583 (init_dummy): Make sure dummy call to atexit is nevertheless
5584 called with correct number of args.
5586 * frame.c: Update comments referring to other files.
5588 * libgcc2.c: Likewise.
5590 1999-12-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5592 * cse.c (free_element, get_element): Remove unused prototypes.
5594 * fold-const.c (extract_muldiv): Initialize variables `op0' and
5597 * jump.c (invert_exp): Add explicit braces to avoid ambiguous
5600 Wed Dec 29 12:44:54 1999 Donald Lindsay <dlindsay@cygnus.com>
5602 * configure.in,configure: case arm for mn10200-*-* now sets
5603 float_format=i32 so that float.h will correctly claim "double"
5604 to be 32 bits. Ran autoconf to generate configure from .in file.
5606 Wed Dec 29 10:53:21 1999 Jeffrey A Law (law@cygnus.com)
5608 * pa.md (conditional zero): If op1 is a register, force it into
5609 the same register as op0.
5611 1999-12-28 Mark Mitchell <mark@codesourcery.com>
5613 * tree.h (BINFO_BASETYPES): Improve documentation.
5615 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5617 * configure.in (--enable-checking): Use a more portable `for'
5620 1999-12-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5622 * configure.in (AC_DECL_SYS_SIGLIST, xm-siglist.h,
5623 arm/xm-netbsd.h, NO_SYS_SIGLIST): Don't use.
5625 * xm-siglist.h, arm/xm-netbsd.h, mips/xm-news.h, mips/xm-sysv4.h:
5628 * gcc.texi (NO_SYS_SIGLIST, sys_siglist, SYS_SIGLIST_DECLARED):
5629 Delete descriptions.
5631 * i386/osf1elf.h, i386/xm-cygwin.h, i386/xm-mingw32.h, m68k/3b1.h,
5632 m68k/a-ux.h, m68k/dpx2.h, m68k/plexus.h, m68k/xm-hp320.h,
5633 m88k/xm-m88k.h, mips/x-sni-svr4, pa/xm-pa.h, pa/xm-pahpux.h,
5634 pa/xm-papro.h, we32k/xm-we32k.h, winnt/xm-winnt.h, xm-interix.h,
5635 xm-svr4.h: Remove all instances of sys_siglist handling.
5637 1999-12-27 Jakub Jelinek <jakub@redhat.com>
5639 * config/sparc/sparc.md (cmp_zero_qi,
5640 cmp_zero_extendqisi2_andcc_set, cmp_zero_qi_sp64,
5641 cmp_zero_extendqidi2_andcc_set): New patterns.
5643 1999-12-28 Manfred Hollstein <mhollstein@cygnus.com>
5645 * m68k/t-mot3300-gald (CROSS_LIBGCC1): Define to libgcc1-asm.a.
5646 (LIB1ASMSRC, LIB1ASMFUNCS, LIB2FUNCS_EXTRA): Define.
5647 (fpgnulib.c, xfgnulib.c): Add rules.
5648 * m68k/t-mot3300-gas: Likewise.
5650 1999-12-27 Ian Lance Taylor <ian@zembu.com>
5652 * configure.in: Avoid [[ by using test and changequote. Add
5653 changequote required by 1999-12-14 change.
5654 * configure: Rebuild.
5656 1999-12-27 Clinton Popetz <cpopetz@cygnus.com>
5658 * config/mips/mips.h: Fix typo from 12/17/99 libgcc2 fix.
5660 1999-12-27 Christophe Jaillet <jaillet.christophe@caramail.com>
5662 * alias.c (nonlocal_reference_p): Add else for disjoint ifs.
5663 * flow.c (find_use_as_address): Likewise.
5664 * function.c (fixup_var_refs_1): Likewise.
5665 (walk_fixup_memory_subreg, fixup_stack_1): Likewise.
5666 * jump.c (invert_exp, redirect_exp): Likewise.
5667 * loop.c (replace_call_address): Likewise.
5668 (count_nonfixed_reads): Likewise.
5669 * rtlanal.c (modified_between_p): Likewise.
5670 (modified_in_p, volatile_insn_p, volatile_refs_p): Likewise.
5671 (side_effects_p, replace_regs, jmp_uses_reg_or_mem): Likewise.
5672 * unroll.c (remap_split_bivs): Likewise.
5674 1999-12-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5676 * diagnostic.c (v_message_with_decl): Use .* format specifier
5677 instead of building the format specifier width manually.
5679 * system.h (strsignal): Don't check HAVE_STRSIGNAL when
5680 determining whether to provide a prototype. Remove the
5681 sys_siglist clause in the conditional.
5683 1999-12-23 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5685 * fold-const.c (operand_equal_p): Use memcmp to compare string
5687 Suggested by D. J. Bernstein
5689 1999-12-17 Jakub Jelinek <jakub@redhat.com>
5691 * config/h8300/h8300.h (TARGET_H8300H, TARGET_H8300S): Make sure
5692 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
5694 * config/mips/mips.h (TARGET_64BIT): Likewise.
5695 * config/rs6000/rs6000.h (TARGET_POWERPC64): Likewise.
5696 * libgcc2.c: Use {,U}{HW,W,DW}type and DWunion everywhere instead
5697 of {SI,DI}type and DIunion. Define these types to QI/HI modes on
5698 dsps. Give routines proper names if SI/DI modes are not used.
5699 * longlong.h: Use DWunion instead of DIunion.
5701 1999-12-26 Zack Weinberg <zack@wolery.cumb.org>
5703 * acconfig.h: New ENABLE flags: TREE_CHECKING, RTL_CHECKING,
5704 GC_CHECKING, GC_ALWAYS_COLLECT.
5705 * configure.in: Allow --enable-checking with an argument
5706 listing check modes to enable.
5707 * config.in, configure: Rebuilt.
5708 * ggc-page.c, ggc-simple.c: Define GGC_POISON (and
5709 GGC_ALWAYS_VERIFY for ggc-simple.c) only if
5710 ENABLE_GC_CHECKING. Define GGC_ALWAYS_COLLECT only if
5711 ENABLE_GC_ALWAYS_COLLECT.
5712 * rtl.h, rtl.c: Change ENABLE_CHECKING to ENABLE_RTL_CHECKING
5714 * tree.h, tree.c: Change ENABLE_CHECKING to
5715 ENABLE_TREE_CHECKING throughout.
5717 Sun Dec 26 07:48:20 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5719 * fold-const.c (fold_truthop): Properly check for FP RHS.
5721 1999-12-24 Mark Mitchell <mark@codesourcery.com>
5723 * toplev.h (note_deferall_of_defined_inline_function): Declare.
5724 * toplev.c (note_deferral_of_defined_inline_function): New
5725 function, split out from ...
5726 (rest_of_compilation): ... here. Use it.
5728 Fri Dec 24 12:34:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5730 * expr.c (store_constructor): Don't call clear_storage if size is
5733 1999-12-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5735 * Makefile.in (toplev.o): Depend on loop.h.
5737 * dwarfout.c: Include tm_p.h.
5739 * emit-rtl.c (restore_emit_status): Mark parameter with
5742 * final.c (final_scan_insn): Likewise.
5744 * flow.c (flow_nodes_print, flow_exits_print, flow_loops_cfg_dump,
5745 flow_loop_nested_p, flow_loop_exits_find, flow_loop_nodes_find,
5746 flow_depth_first_order_compute, flow_loop_pre_header_find,
5747 flow_loop_tree_node_add, flow_loops_tree_build,
5748 flow_loop_level_compute, flow_loops_level_compute,
5749 flow_loop_outside_edge_p): Add prototypes.
5750 (recompute_reg_usage): Mark parameters with ATTRIBUTE_UNUSED.
5752 * ggc-callbacks.c (lang_mark_tree, lang_mark_false_label_stack):
5753 Mark with ATTRIBUTE_NORETURN.
5755 * hash.c (hash_newfunc): Mark parameter with ATTRIBUTE_UNUSED.
5757 * local-alloc.c (no_conflict_p): Likewise.
5759 * loop.c (insert_bct): Hide definitions of variables with hidden
5761 (note_reg_stored): Mark parameter with ATTRIBUTE_UNUSED.
5763 * regclass.c (memory_move_secondary_cost): Mark variable `mem'
5764 with ATTRIBUTE_UNUSED.
5765 (record_reg_classes): Mark parameter with ATTRIBUTE_UNUSED.
5766 (reg_scan): Likewise.
5768 * reload.c (find_reloads): Remove unused variables `changed'.
5770 * reload1.c (reload_reg_class_lower): Don't unnecessarily cast
5772 (allocate_reload_reg): Mark parameter with ATTRIBUTE_UNUSED.
5773 Remove unused variable `insn'.
5775 * toplev.c: Include loop.h.
5776 (report_file_and_line): Remove unnecessary prototype.
5778 * tree.c (build_block): Mark parameter with ATTRIBUTE_UNUSED.
5780 * unroll.c (biv_total_increment): Likewise.
5782 Thu Dec 23 23:15:22 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5784 * reload1.c (emit_input_reload_insns): Restore old behaviour
5785 wrt. 'special' reloads.
5787 1999-12-23 Zack Weinberg <zack@wolery.cumb.org>
5789 * Makefile.in (ggc-simple.c, ggc-page.c): Don't depend on
5790 hash.h. (cse.c): Don't depend on hashtab.h.
5792 * cse.c: Don't include hashtab.h.
5793 (hash_cse_reg_info, cse_reg_info_equal_p): Delete prototypes
5795 * ggc-simple.c: Don't include hash.h.
5797 1999-12-22 Jason Merrill <jason@casey.cygnus.com>
5799 * dwarf2out.c (add_abstract_origin_attribute): Call
5800 gen_abstract_function on our function context.
5802 Thu Dec 23 03:57:10 1999 Hans-Peter Nilsson <hp@bitrange.com>
5804 * Makefile.in (INTEGRATE_H): Fix typo: INTEGRATE_H, not INTREGRATE_H.
5806 1999-12-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5808 * config/c4x/c4x.c (c4x_address_cost): Add statement to default
5811 1999-12-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5813 * config/c4x/c4x.md (*addqi3_noclobber_reload): Change operand 0
5814 constraints to "a!r".
5816 1999-12-21 Mark Mitchell <mark@codesourcery.com>
5818 * Makefile.in (calls.o): Depend on function.h.
5819 (alias.o): Likewise.
5821 1999-12-21 Bernd Schmidt <bernds@cygnus.co.uk>
5823 * reload1.c (emit_reload_insns): Break out code and variables into...
5824 (input_reload_insns, other_input_address_reload_insns,
5825 other_input_reload_insns, input_address_reload_insns,
5826 inpaddr_address_reload_insns, output_reload_insns,
5827 output_address_reload_insns, outaddr_address_reload_insns,
5828 operand_reload_insns, other_operand_reload_insns,
5829 other_output_reload_insns): ... new static variables, and...
5830 (emit_input_reload_insns, emit_output_reload_insns, do_input_reload,
5831 do_output_reload): ... new functions.
5833 Tue Dec 21 07:06:36 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5835 * pa.h (FUNCTION_ARG_BOUNDARY): Never return 0.
5837 1999-12-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5839 * md.texi: Add c4x constraints documentation.
5841 1999-12-21 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5843 * config/i386/dgux.c (struct option): Rename to
5844 lang_independent_option.
5845 (struct m_options): Add description field.
5846 (output_options): Rename option type, add sep declaration, output
5847 ix86_cpu_string and ix86_arch_string only if set.
5848 (output_file_start): Rename option type.
5850 Mon Dec 20 23:15:36 1999 Mike Stump <mrs@wrs.com>
5852 * Makefile.in (crtbegin.o, crtend.o, s-crtS): Depend on
5854 (libgcc2.a): Similarly.
5856 Mon Dec 20 23:06:47 1999 David Edelsohn <edelsohn@gnu.org>
5858 * longlong.h (_ARCH_PPC): Only protect add_ssaaaa and sub_ddmmss
5859 with W_TYPE_SIZE == 32. Do not fall through to POWER architecture
5860 for umul_ppmm and smul_ppmm if !_ARCH_PPC and !_ARCH_POWER.
5862 Mon Dec 20 23:02:03 1999 Jeffrey A Law (law@cygnus.com)
5864 * fold-const.c (real_hex_to_f): Remove unused "isldouble" variable.
5865 Remove redundant initialization of "frexpon" and "expon".
5867 Mon Dec 20 15:00:04 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5869 * tree.c (real_value_from_int_cst): Clear REAL_VALUE_TYPE object first.
5871 * expr.c (store_constructor): New argument SIZE; pass to clear_storage.
5872 (store_constructor_field, expand_expr): Pass new arg.
5874 1999-12-20 Mark Mitchell <mark@codesourcery.com>
5876 * Makefile.in (explow.o): Depend on function.h.
5878 * stor-layout.c (set_sizetype): Fix typo.
5880 1999-12-20 Bernd Schmidt <bernds@cygnus.co.uk>
5882 * function.c (cfun): Renamed from current_function. All users
5884 * function.h (cfun): Rename declaration as well.
5886 * reload.h (struct insn_chain): Change live_throughout and dead_or_set
5887 to be of type regset_head, not regset. All users changed by adding
5889 * reload1.c (new_insn_chain): Don't allocate regsets, just clear them.
5891 1999-12-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5893 * config/c4x/rtems.h: New file.
5895 1999-12-19 Bernd Schmidt <bernds@cygnus.co.uk>
5897 * reload1.c (spill_failure): Take class of failed reload as argument
5898 and print it. Caller changed.
5900 Sun Dec 19 07:50:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5902 * rs6000.h (SUBTARGET_DEFAULT): New macro.
5903 (TARGET_SWITCHES): Allow subtargets to default switches.
5904 * rs6000/vxppc.h (SUBTARGET_DEFAULT): New macro.
5906 1999-12-18 Mark Mitchell <mark@codesourcery.com>
5908 * crtstuff.c (__do_global_ctors_aux): Do not call __cxa_finalize
5911 Sat Dec 18 20:42:43 1999 Richard Henderson <rth@cygnus.com>
5913 * cccp.c (main): Define __STDC_VERSION__ as necessary.
5914 * cppinit.c (cpp_handle_option): Likewise.
5916 * ginclude/stdarg.h (va_copy): Use __STDC_VERSION__ to
5917 determine when to define.
5919 Sat Dec 18 20:34:00 1999 Richard Henderson <rth@cygnus.com>
5921 * alpha.c (alpha_emit_conditional_move): If TARGET_FIX, handle
5922 cmove with mismatched test and data modes.
5924 Sat Dec 18 20:30:15 1999 Richard Henderson <rth@cygnus.com>
5926 * c-typeck.c (c_expand_start_case): Don't warn for long switch
5929 Sat Dec 18 16:28:43 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5931 * alias.c: Minor reformatting.
5934 * stor-layout.c: Likewise.
5935 * fold-const.c: Likewise.
5936 (OVERFLOW_SUM_SIGN): Renamed from overflow_sum_sign.
5937 (struct cb_args, const_binop_1, const_binop): Pass type of arg,
5939 (size_int_wide): Cache nodes even if garbage collecting.
5940 (twoval_comparison_p): Reenable SAVE_EXPR case if operand
5941 of SAVE_EXPR has no side effects.
5942 * cse.c: Move a comment.
5943 * tree.c: Minor reformatting.
5944 (int_size_in_bytes): Return -1 if constant overflows.
5946 Sat Dec 18 18:30:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
5948 * unroll.c (copy_loop_body): Don't treat a REG like a PLUS.
5950 1999-12-18 10:42 -0800 Zack Weinberg <zack@wolery.cumb.org>
5952 * objc/objc-parse.c: Regenerate. This file must be rebuilt
5953 after any change to c-parse.in, even if objc-parse.y didn't
5956 1999-12-18 David S. Miller <davem@redhat.com>
5958 * toplev.c (rest_of_compilation): Restore BLOCK tree
5959 reconstruction and branch shortening changes lost in
5960 December 18th change.
5962 Sat Dec 18 05:29:29 1999 Scott Bambrough <scottb@netwinder.org>
5964 * config/arm/linux-elf.h: Change all instances of
5965 ARM_FLAG_SHORT_BYTES to ARM_FLAG_MMU_TRAPS.
5966 * config/arm/uclinux-elf.h: Likewise.
5968 1999-12-18 Gabriel Dos Reis <gdr@codesourcery.com>
5970 * toplev.c (notice, vmessage, v_message_with_file_and_line,
5971 v_message_with_decl, file_and_line_for_asm,
5972 v_error_with_file_and_line, v_error_with_decl, v_error_for_asm,
5973 verror, vfatal, v_warning_with_file_and_line, v_warning_with_decl,
5974 v_warning_for_asm, vwarning, vpedwarn, v_pedwarn_with_decl,
5975 v_pedwarn_with_file_and_line, vsorry, vnotice, count_error,
5976 pfatal_with_name, fatal_io_error, need_error_newline,
5977 last_error_function, last_error_tick, announce_function,
5978 default_print_error_function, print_error_function,
5979 report_error_function, fnotice, error_with_file_and_line,
5980 error_with_decl, error_for_asm, error, set_fatal_function, fatal,
5981 _fatal_insn, _fatal_insn_not_found, warning_with_file_and_line,
5982 warning_with_decl, warning_for_asm, warning, pedwarn,
5983 pedwarn_with_decl, pedwarn_with_file_and_line, sorry): Move to
5985 (compile_file): Use fnotice instead of notice. Adjust call.
5987 * diagnostic.c: New file.
5989 * Makefile.in (OBJS): Include diagnostic.o
5990 (diagnostic.o): Define dependence.
5992 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5994 * config/c4x/c4x.h (ASM_OUTPUT_XXX): Wrap in do-while(0).
5997 1999-12-18 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5999 * config/c4x/c4x.md (rpts_top, rptb_top): Add clobbers for rs and re.
6001 1999-12-17 13:21 -0800 Zack Weinberg <zack@rabi.columbia.edu>
6003 * fixtests.c (is_cxx_header): New fn, split out of
6005 (else_endif_label): Allow "#endif // comment" in C++ headers,
6006 as determined by is_cxx_header.
6007 * fixfixes.c (else_endif_label_fix): Update comment.
6008 * fixincl.c: Don't output VERB_PROGRESS lines if stdout is not
6010 * genfixes: Correct double thinko in commandline parsing.
6011 * hackshell.tpl: Generate correct sh syntax for bypass
6014 * inclhack.def (all): Whenever an inserted preprocessor
6015 conditional is split over multiple lines, use double
6016 backslashes in this file so the fixed header will be readable.
6018 (AAB_fd_zero_glibc_1_0): Rename to AAB_fd_zero_asm_posix_types_h
6019 and add bypass entry for correct version of this header.
6020 (AAB_fd_zero_glibc_1_x): Rename to AAB_fd_zero_gnu_types_h.
6021 (AAB_fd_zero_glibc_2_0): Rename to AAB_fd_zero_selectbits_h.
6023 (hpux8_bogus_inlines): New fix, split from...
6024 (ultrix_atof_param) ... here.
6025 (math_expression): Add bypass entry keyed to glibc comment
6026 indicating the problem has been dealt with; disable
6027 unnecessary sed operations; update commentary.
6028 (math_gcc_ifndefs): Rename to math_huge_val_from_dbl_max,
6029 add select and bypass entries, simplify shell operation.
6030 (math_huge_val_ifndef): Split from math_gcc_ifndefs.
6032 (ip_missing_semi, rs6000_param, tinfo_cplusplus,
6033 ultrix_atof_param): Add select entry.
6034 (stdio_va_list, sunos_mather_decl): Add bypass entry.
6035 (systypes_for_aix, sysv86_string, tinfo_cplusplus): Put the
6036 comments with the fixes they describe.
6038 * c-parse.in (string action): Do not warn about ANSI string
6039 concatenation in system headers. Affects C parser only.
6040 * c-parse.y, c-parse.c, c-parse.h: Rebuild.
6042 1999-12-16 Jakub Jelinek <jakub@redhat.com>
6044 * config/sparc/sparc.h (TARGET_ARCH32): Exchange ifdefs so that if
6045 compiling libgcc2 the macro depends always on arch cpp defines.
6047 Fri Dec 17 10:34:16 1999 Richard Earnshaw <rearnsha@arm.com>
6049 * loop.c (insert_loop_mem): Don't record MEMs from inside
6052 Fri Dec 17 12:08:11 MET 1999 Jan Hubicka <hubicka@freesoftr.cz>
6054 * regclass.c (regclass): Do not use flowgraph when not optimizing.
6056 * gcse.c (try_replace_reg): Do replacements in REG_EQUAL/REG_EQUIV
6057 notes too, create one when replacement failed, attempt to simplify
6059 (cprop_insn): Propagate even to registers mentioned only in REG_EQUAL
6062 1999-12-16 Mark Mitchell <mark@codesourcery.com>
6064 * crtstuff.c (__dso_handle): Declare.
6065 (__cxa_finalize): Likewise.
6066 (do_global_dtors_aux): Call __cxa_finalize if __dso_handle is
6069 * invoke.texi: Document -fuse-cxa-atexit.
6071 * tree.h (ptr_type_node): Document.
6072 (const_ptr_type_node): Likewise.
6074 Fri Dec 17 01:32:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6076 * regmove.c (optimize_reg_copy_1): Ignore LOOP notes.
6077 (optimize_reg_copy_2): Likewise.
6078 (optimize_reg_copy_3): Likewise.
6079 (fixup_match_2): Likewise.
6080 (regmove_optimize): Likewise.
6081 (fixup_match_1): Liekwise.
6083 * i386.md (HI to SImode promoting splitters): Rewrite.
6084 (pushsf mem peep2): New.
6085 (testhi to andhi peep2): Remove.
6086 * i386.h (x86_promote_QImode): New.
6087 (TARGET_PROMOTE_QImode): New.
6088 (PREDICATE_CODES): Add promotable_binary_operator.
6089 * i386.c (x86_promote_QImode0: New.
6090 (promotable_binary_operator): New.
6091 * i386-protos.h (promotable_binary_operator): New.
6093 * i386.md (test?i_1): Use "nonmemory_operand" predicate, simplify
6095 (one_cmpl?i*): Pass "NOT" to unary_operator_ok.
6097 1999-12-16 Mark Mitchell <mark@codesourcery.com>
6099 * Makefile.in (INTREGRATE_H): Rename to INTEGRATE_H.
6100 * function.c (insert_block_after_note): Remove.
6101 (retrofit_block): Likewise.
6102 (identify_blocks): Fix indentation.
6103 (reorder_blocks): Don't NULL out NOTE_SOURCE_FILE for a
6104 NOTE_INSN_BLOCK_BEG or NOTE_INSN_BLOCK_END.
6105 * function.h (insert_block_after_note): Remove prototype.
6106 (retrofit_block): Likewise.
6107 * integrate.c (expand_inline_function): Don't call
6108 find_loop_tree_blocks. Use expand_start_bindings_and_block, not
6109 just expand_start_bindings. Use the block_map to remap old
6110 NOTE_BLOCKs to new ones.
6111 (integrate_decl_tree): Keep track of remapped blocks.
6112 * integrate.h (struct inline_remap): Add block_map.
6113 * stmt.c (expand_fixup): Don't try to retrofit_blocks. Just set
6114 NOTE_BLOCK on the notes.
6115 (expand_start_bindings): Rename to ...
6116 (expand_start_bindings_and_block): Add parameter. Set NOTE_BLOCK.
6117 (expand_end_bindings): Set NOTE_BLOCK.
6118 * toplev.c (rest_of_compilation): In function-at-a-time-mode,
6119 reconstruct the BLOCK tree.
6120 * tree.h (expand_start_bindings): Macroize. Call ...
6121 (expand_start_bindings_and_block): New function.
6123 1999-12-16 Jakub Jelinek <jakub@redhat.com>
6125 * config/sparc/sparc.c (print_operand): Cast fprintf arguments
6126 to match the format.
6128 1999-12-16 David S. Miller <davem@redhat.com>
6130 * expr.c (emit_move_insn_1): Only emit clobbers if one of
6131 the outputs is a SUBREG.
6132 * rtlanal.c (reg_overlap_mentioned_p): Revert December 15th
6135 * config/sparc/sparc.c (epilogue_renumber): Add default case
6138 Thu Dec 16 11:33:57 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6140 * toplev.c (rest_of_compilation): Run branch shortening after
6143 * regclass.c (loop_depth): Remove
6144 (scan_one_insn): Do not handle LOOP_NOTE insns.
6145 (regclass): Go through basic blocks and set loop_cost
6147 Thu Dec 16 02:56:25 1999 Zack Weinberg <zack@bitmover.com>
6149 * tree.h (DECL_FROM_INLINE): Check DECL_ABSTRACT_ORIGIN too.
6151 Thu Dec 16 10:43:35 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6153 * i386.md (movqi): Use "nonimmediate_operand" for output operand.
6154 (movstrictqi, movdi, movsf, movdf, movxf): Likewise.
6155 (adddi, addqi, addhi, subdi, subqi, subhi, ffs): Likewise.
6157 Thu Dec 16 02:41:26 1999 Richard Henderson (rth@cygnus.com)
6159 * loop.c (insert_loop_mem): Ignore memory clobbers.
6161 * combine.c (simplify_comparison): Reduce (OP (MINUS A B) 0)
6164 Thu Dec 16 02:26:11 1999 Jeffrey A Law (law@cygnus.com)
6166 * profile.c: Remove redundant #include "output.h".
6168 * h8300.md (HImode preinc peephole): Fix typo.
6170 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
6172 * function.c (retrofit_block): Abort if we don't find a suitable insn.
6173 (insert_block_after_note): Abort if we don't have a previous block.
6174 Remove FN parameter.
6175 * function.h: Adjust.
6177 1999-12-15 Mark Mitchell <mark@codesourcery.com>
6179 * builtins.c (expand_builtin_mathfn): Make sure not to expand the
6180 argument more than once.
6182 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
6184 * stmt.c (expand_decl): Expand upper bound of a dynamic array.
6186 1999-12-15 Jakub Jelinek <jakub@redhat.com>
6188 * expr.c (emit_group_load): Use dst mode if src is VOIDmode.
6190 Wed Dec 15 16:11:55 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6192 * function.c (PREFERRED_STACK_BOUDNARY): Provide default value.
6193 (assign_stack_local_1): Limit alignment to PREFERRED_STACK_BOUNDARY,
6194 update stack_alignment_needed.
6195 (prepare_function_start): Initialize stack_alignment_needed
6196 * function.h (struct function): Add field stack_alignment_needed.
6198 Wed Dec 15 14:55:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6200 * caller-save.c (insert_one_insn): Returns struct insn_chain *.
6201 Handle live_throughout / dead_or_set instead of live_before /
6203 (save_call_clobbered_regs): Get register livenessinformation from
6204 chain->live_throughout.
6205 (add_stored_regs): New function.
6206 (insert_restore, insert_save): Add restored / saved registers to
6208 * global.c (reg_dies): New parameter chain.
6209 (reg_becomes_live): Third parameter is regs_set now.
6210 Changed all callers.
6211 (reg_dies): New parameter chain. Changed all callers.
6212 (build_insn_chain): Set live_throughout instead of
6213 live_before / live_after.
6214 * reload.h (struct insn_chain): Replace members live_before /
6215 live_after with live_throughout / dead_or_set.
6216 * reload1.c (new_insn_chain): Handle live_throughout / dead_or_set
6217 instead of live_before / live_after.
6218 (maybe_fix_stack_asms, find_reload_regs, finish_spills): Likewise.
6219 (order_regs_for_reload, find_reg, finish_spills): Likewise.
6220 (choose_reload_regs_init): Likewise.
6221 * stupid.c (current_chain, find_clobbered_regs): Delete.
6222 (stupid_life_analysis): Set chain->live_throughout chain->dead_or_set
6223 instead of chain->live_before / chain->live_after.
6224 (mark_hard_ref): New function.
6225 (stupid_mark_refs): Call mark_hard_ref. Clear chain->live_throughout.
6227 1999-12-15 David S. Miller <davem@redhat.com>
6229 * rtlanal.c (reg_overlap_mentioned_p): Handle CONCAT.
6231 Wed Dec 15 15:05:30 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6233 * flow.c (calculate_loop_depth): Make global, remove prototype,
6234 rewrite to use new loop infrastructure.
6235 (find_basic_block): Remove calculate_loop_depth call.
6236 * toplev.c (rest_of_compilation): Call find_basic_block.
6237 * output.h (calculate_loop_depth): Declare.
6239 * flow.c (dump_flow_info): Dump loop_depth.
6240 (flow_loops_nodes_find): Increase loop_depth for basic block in the
6242 (flow_loops_find): Initialize the loop_depth for each basic block.
6244 1999-12-15 Jason Merrill <jason@casey.cygnus.com>
6246 * tree.c (decl_function_context): Handle virtual functions.
6248 * tlink.c (scan_linker_output): Don't look in demangled name when
6249 looking for linker output keywords.
6251 * dwarfout.c (output_type): We can defer namespace-scope classes.
6253 Wed Dec 15 01:23:29 1999 Jeffrey A Law (law@cygnus.com)
6255 * regclass.c (record_reg_classes): Update comment for merging
6256 register class preferences in reg->reg copies. Tighten conditions
6257 for merging register class preferences in reg->reg copies.
6259 Wed Dec 15 02:19:32 1999 David Edelsohn <edelsohn@gnu.org>
6261 * rs6000.md (tablejumpdi): Generate DImode LABEL_REF.
6263 1999-12-14 Geoff Keating <geoffk@cygnus.com>
6265 * config/m68k/m68020-elf.h (ENDFILE_SPEC): Delete.
6266 (INIT_SECTION_ASM_OP): Delete.
6267 (FINI_SECTION_ASM_OP): Delete.
6268 (STARTFILE_SPEC): Define to hold just crtbegin.o.
6270 1999-12-14 Jason Merrill <jason@casey.cygnus.com>
6272 * dwarf2out.c (add_abstract_origin_attribute): Do call abort if
6273 the abstract origin wasn't emitted.
6275 * dwarf2out.c (class_scope_p): New fn.
6276 (gen_subprogram_die): Use it.
6277 (gen_variable_die): Use it. Tweak logic.
6278 (gen_struct_or_union_type_die): Check context_die to determine
6279 if we're function-local.
6280 (dwarf2out_decl): Check DECL_BUILT_IN, not DECL_FUNCTION_CODE.
6282 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
6284 * loop.c (check_dbra_loop): Can't reverse a biv that has
6287 1999-12-14 Nick Clifton <nickc@cygnus.com>
6289 * config/arm/arm.c: Add support for -mcpu=arm720 command line
6292 Tue Dec 14 18:13:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6294 * loop.c (strength_reduce): Fix sign of giv lifetime calculation
6295 for givs made from biv increments.
6297 Tue Dec 14 08:11:27 1999 Richard Henderson <rth@cygnus.com>
6299 * configure.in (alpha-osf, alpha-linux): Handle ev6[78].
6300 * alpha.c (override_options): Recognize -mcpu=ev67.
6301 * alpha.h (CPP_CPU_EV67_SPEC): New.
6302 (CPP_CPU_DEFAULT_SPEC): Examine TARGET_CPU_DEFAULT to use it.
6303 (EXTRA_SPECS): Update.
6305 Tue Dec 14 08:04:28 1999 Richard Henderson <rth@cygnus.com>
6307 * cppp.c (main): Set trigraphs and __STRICT_ANSI__ as
6308 appropriate for -lang-c89 and -std=*.
6309 * cppinit.c (cpp_handle_option): Likewise.
6310 (new_pending_define): New, split out from cpp_handle_option.
6311 * gcc.c (default_compilers): Don't define __STRICT_ANSI__
6312 or enable trigraphs for -ansi/-std=*.
6314 * ginclude/stdarg.h (__va_copy): New.
6315 (va_copy): Don't define for C89.
6317 Tue Dec 14 08:37:27 CST 1999 Clinton Popetz <cpopetz@cygnus.com>
6319 * config/arm/arm.md (mulsidi3adddi, umulsidi3adddi): New patterns
6320 for long long multiply-accumulate.
6322 Tue Dec 14 13:51:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6324 * regclass.c (scan_one_insn): Set loop_cost to 1 when
6325 optimizing for size.
6327 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
6329 * reload1.c (reload): Can't avoid select_reload_regs/finish_spills
6330 if something changed. Back out that part of yesterday's changes.
6332 * loop.c (loop_max_reg): New static variable.
6333 (loop_optimize): Initialize it. Eliminate one unnecessary call to
6335 (scan_loop): Call reg_scan_update whenever we may have added new
6336 registers, and update loop_max_reg.
6338 Tue Dec 14 12:07:29 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6340 * regclass.c (record_reg_classes): Do not do the copying preferrencing
6341 when source does not die.
6343 * regclass.c (record_reg_classes): Handle INOUT operands propertly.
6345 1999-12-14 Jakub Jelinek <jakub@redhat.com>
6347 * config/sparc/linux64.h (TARGET_LIVE_G0,
6348 TARGET_BROKEN_SAVERESTORE): Don't support weird SPARC
6350 * config/sparc/linux.h (TARGET_LIVE_G0,
6351 TARGET_BROKEN_SAVERESTORE): Likewise.
6352 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
6353 TARGET_BROKEN_SAVERESTORE): Likewise.
6355 * config/sparc/sparc.h (SPARC_DEFAULT_CMODEL): Default to CM_32.
6356 (CONDITIONAL_REGISTER_USAGE): For block profiling fix %g4 on sparc64,
6358 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Use %g4 instead of %g2
6359 as sparc64 block profiling register.
6360 * config/sparc/sparc.c (sparc_override_options): Allow block
6361 profiling with -m32.
6362 (sparc_block_profiler): Use %g4 instead of %g2 as sparc64 block
6364 * config/sparc/linux64.h (MACHINE_STATE_*): Only provide these
6365 macros on TARGET_ARCH32. sparc.h has macros good enough for sparc64.
6366 * config/sparc/sol2.h (MACHINE_STATE_*): Likewise.
6368 * config/sparc/xm-sp64.h: Avoid using __sparc_v9__ when testing
6370 * config/sparc/sparc.h: Likewise.
6371 * config/sparc/xm-sysv4-64.h: Likewise.
6372 * config/float-sparc.h: Likewise.
6373 * glimits.h: Likewise.
6374 * longlong.h: Likewise.
6376 * config/sparc/linux64.h (DEFAULT_VTABLE_THUNKS): Define to 1.
6377 (ASM_IDENTIFY_GCC): Remove.
6379 1999-12-14 Bernd Schmidt <bernds@cygnus.co.uk>
6381 * combine.c (combine_simplify_rtx): Don't make shared rtl.
6382 (simplify_logical): Likewise.
6384 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
6386 * cccp.c (INO_T_EQ): Disable inode-based optimization for Cygwin.
6387 * cppfiles.c (INO_T_EQ): Likewise.
6389 1999-12-14 Mumit Khan <khan@xraylith.wisc.edu>
6391 * i386/crtdll.h (STARTFILE_SPEC): Add -pg profiling support.
6392 * i386/mingw32.h (LIB_SPEC): Likewise.
6393 (STARTFILE_SPEC): Likewise.
6394 * i386/uwin.h (LIB_SPEC): Likewise.
6395 (STARTFILE_SPEC): Likewise.
6397 * i386/mingw32.h (SUBTARGET_PROLOGUE): Override Cygwin definition.
6398 * i386/uwin.h (SUBTARGET_PROLOGUE): Likewise.
6400 Mon Dec 13 20:25:29 1999 Jeffrey A Law (law@cygnus.com)
6402 * combine.c (combine_simplify_rtx): Fix order of checks for
6403 (ashiftrt foo C) -> (lt foo (const_int 0)) simplification.
6405 1999-12-13 Clinton Popetz <cpopetz@cygnus.com>
6407 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi) Backed out
6408 12/10/99 change, reapplied to merged-arm-thumb-backend-branch.
6410 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
6412 * hard-reg-set.h (inv_reg_alloc_order): Declare if REG_ALLOC_ORDER is
6414 * regclass.c (inv_reg_alloc_order): New array.
6415 (regclass_init): If REG_ALLOC_ORDER is defined, initialize it.
6417 * reload.h (struct insn_chain): Delete fields group_size, group_mode,
6418 counted_for_groups, counted_for_nongroups. Add fields rld and
6420 * reload.c (push_secondary_reload): Don't set nongroup field of
6422 (push_reload): Likewise.
6423 (find_reloads): Delete code to compute nongroup fields.
6424 * reload1.c (reload_insn_firstobj): New static variable.
6425 (pseudos_counted, spilled_pseudos): Now of type regset_head. All
6427 (calculate_needs, find_tworeg_group, find_group, possible_group_p,
6428 count_possible_groups, modes_equiv_for_class_p, new_spill_reg,
6429 dump_needs, maybe_mark_pseudo_spilled, hard_reg_use_compare): Delete
6431 (count_pseudo, select_reload_regs, copy_reloads, find_reg): New
6433 (struct hard_reg_n_uses): Deleted.
6434 (potential_reload_regs): Deleted.
6435 (init_reload): Initialize spilled_pseudos and pseudos_counted.
6436 (reload): Don't try to allocate reload registers if we already know
6437 we have to make another pass. Call select_reload_regs. Free memory
6438 starting with reload_firstobj when starting another pass.
6439 Don't allocate spilled_pseudos.
6440 (calculate_needs_all_insns): Call copy_reloads for an insn that
6441 needs reloads; don't call calculate_needs.
6442 (spill_cost): New static array.
6443 (used_spill_regs_local): New static variable.
6444 (order_regs_for_reload): Rewrite to lose hard_reg_n_uses and the code
6445 to compute potential_reload_regs.
6446 (find_reload_regs): Completely rewritten to use find_reg.
6447 (allocate_reload_reg): Don't test counted_for_groups or
6448 counted_for_nongroups. Lose NOERROR arg and code to give an error;
6450 (choose_reload_regs): Add fallback code that uses the existing
6451 register allocation from find_reload_regs.
6453 Mon Dec 13 00:54:14 1999 Philippe De Muyter <phdm@macqel.be>
6455 * flow.c (create_edge_list): Cast xmalloc return value.
6457 Mon Dec 13 00:47:58 1999 Jeffrey A Law (law@cygnus.com)
6459 * doprnt.c: Remove incorrect comment closure.
6461 * cse.c: Fix a few minor whitespace goofs.
6463 1999-12-13 Don Bowman <don@pixstream.com>
6465 * mips/vxworks.h: Fix problem with comment termination.
6466 (EXTRA_SECTIONS): Add in_sbss.
6467 (EXTRA_SECTION_FUNCTIONS): Corresponding changes.
6469 1999-12-12 David S. Miller <davem@redhat.com>
6471 * cse.c (struct cse_reg_info): Add hash_next member,
6472 reorder rest of struct for better packing on 64-bit
6474 (cse_reg_info_tree): Kill.
6475 (REGHASH_SHIFT, REGHASH_SIZE, REGHASH_MASK, reg_hash,
6476 REGHASH_FN): New custom pow2 hash mechanism.
6478 (HASH_SHIFT, HASH_SIZE, HASH_MASK, HASH, table): Rework to
6479 use a pow2 hash table.
6480 (get_cse_reg_info): Rework to use new REGHASH.
6481 (new_basic_block): Likewise, use HASH_SIZE, and inline
6483 (remove_from_table): Rework to use HASH_SIZE/HASH_MASK,
6484 and inline free_element call.
6485 (lookup_as_function, insert, flush_hash_table, invalidate,
6486 remove_invalid_refs, remove_invalid_subreg_refs, rehash_using_reg,
6487 invalidate_for_call, use_related_value, find_comparison_args,
6488 fold_rtx, equiv_constant, cse_insn, invalidate_memory): Likewise.
6489 (hash_cse_reg_info, cse_reg_info_equal_p, free_element,
6492 Sun Dec 12 21:31:44 1999 Jeffrey A Law (law@cygnus.com)
6494 * cse.c (cse_basic_block): Free qty_table consistently.
6496 1999-12-12 David S. Miller <davem@redhat.com>
6497 Jakub Jelinek <jakub@redhat.com>
6499 * config/sparc/sparc.md (movtf reg/reg split): Don't generate
6500 SUBREGs by hand, gen the appropriate hard reg directly.
6501 (movtf reg/mem split): Likewise and alter_subreg on destination
6503 (movtf mem/reg split): Similarly.
6504 (movdf_cc_sp64): Rename from hidden pattern.
6505 (movtf_cc_hq_sp64): Renamed from movtf_cc_sp64.
6506 (movtf_cc_sp64, following split): New pattern and splitter.
6507 (movdf_cc_reg_sp64): Rename from hidden pattern.
6508 (movtf_cc_reg_hq_sp64): Renamed from movtf_cc_reg_sp64, require
6510 (movtf_cc_reg_sp64, following split): New pattern and splitter.
6512 1999-12-12 Stephen L Moshier <moshier@mediaone.net>
6514 * loop.c (load_mems): Don't hoist written floating point mem
6517 1999-12-12 Mark Mitchell <mark@codesourcery.com>
6519 * except.h (struct eh_queue): Add `next' pointer.
6520 (struct eh_status): Make x_ehqueue a pointer.
6521 (push_ehqueue): Declare.
6522 (pop_ehqueue): Likewise.
6523 * except.c (expand_eh_region_end): Adjust now that ehqueue is a
6525 (expand_fixup_region_end): Likewise.
6526 (expand_leftover_cleanups): Likewise.
6527 (push_ehqueue): Define.
6528 (pop_ehqueue): Likewise.
6529 (emit_cleanup_handler): Use push_ehqueue and pop_ehqueue rather
6530 than doing it inline.
6531 (expand_start_all_catch): Adjust now that ehqueue is a
6533 (mark_eh_queue): Mark all level of the queue.
6534 (mark_eh_status): Adjust now that ehqueue is a
6536 (init_eh_for_function): Allocate ehqueue.
6537 (free_eh_status): Free it.
6538 * stmt.c (expand_cleanups): Save the ehqueue around the cleanup
6539 expansion for a fixup.
6541 1999-12-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6543 * gthr-single.h (__gthread_active_p): Add prototype arguments.
6545 * libgcc2.c (__udivmoddi4): Remove unnecessary decls.
6546 (__dummy, __builtin_saveregs, __bb_exit_trace_func, __bb_init_prg,
6547 __bb_trace_func, __bb_trace_func_ret, __bb_trace_ret,
6548 function_ptr, getpagesize, __enable_execute_stack,
6549 __enable_execute_stack, __clear_insn_cache,
6550 __enable_execute_stack, __do_global_dtors, __do_global_ctors,
6551 _cleanup, _exit, __default_terminate, __terminate_func,
6552 __terminate, __empty, __throw, new_eh_context,
6553 eh_context_initialize, eh_context_static, eh_context_specific,
6554 get_eh_context, __get_eh_context, __get_eh_info,
6555 init_reg_size_table, eh_threads_initialize,
6556 __get_dynamic_handler_chain, __sjthrow, __sjpopnthrow,
6557 __unwinding_cleanup, throw_helper, __throw, __rethrow,
6558 __pure_virtual): Add prototype arguments.
6559 (__bb_exit_func): Cast a sizeof to long when comparing against one.
6560 Cast a signed value to unsigned long when comparing against one.
6561 (new_eh_context): Wrap in _GTHREADS macro.
6562 (__sjthrow, __sjpopnthrow): Initialize variable `cleanup' at
6564 (in_reg_window): Mark parameters with __attribute__ ((__unused__)).
6565 (throw_helper): Initialize variables `handler_p' and `pc_p'.
6567 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6569 * combine.c (record_promoted_value): Remove unused variable
6572 * emit-rtl.c (renumber_insns): Likewise for `old_max_uid'.
6574 * global.c (record_conflicts): Likewise for `j'.
6576 * genoutput.c (output_insn_data): Don't unnecessarily cast away
6579 1999-12-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6581 * i386-protos.h (output_387_binary_op, output_fix_trunc,
6582 output_fp_compare): Constify a char*.
6584 * i386.c (ix86_split_to_parts, ix86_safe_length_prefix): Add
6586 (override_options, ix86_comp_type_attributes, print_operand,
6587 output_387_binary_op, output_fix_trunc, output_fp_compare):
6589 (ix86_sched_reorder): Mark parameter `clock_var' with
6592 * i386.h (DEBUG_PRINT_REG): Constify a char*.
6594 Fri Dec 10 16:12:13 1999 Alexandre Petit-Bianco <apbianco@cygnus.com>
6596 * tree.def (EXPR_WITH_FILE_LOCATION): Temporarily add a third
6597 operand, for use in the Java front-end.
6599 1999-12-10 Ben Collins <bcollins@debian.org>
6601 * configure.in: Fix typo for "-64" in 64bit as check.
6602 * configure: Rebuilt.
6604 1999-12-10 Jakub Jelinek <jakub@redhat.com>
6606 * longlong.h (__sparc_v9__): Use %rDIGIT instead of %DIGIT where
6609 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6611 * c-parse.in (string): With -Wtraditional, warn if ANSI string
6612 concatenation is utilized.
6614 * invoke.texi (-Wtraditional): Document it.
6616 1999-12-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6618 * flow.c (flow_loops_dump): Avoid ANSI string concatenation.
6619 Cast a ptrdiff_t to long and pass it to printf with %ld.
6621 1999-12-10 Geoff Keating <geoffk@cygnus.com>
6623 * config/m68k/m68k.h (CONDITIONAL_REGISTER_USAGE): If we have no
6624 68881, we have no 68881 registers at all.
6625 (HARD_REGNO_MODE_OK): It is always OK to put a MODE_FLOAT
6626 value in a 68881 register if it is available.
6628 1999-12-10 Clinton Popetz <cpopetz@cygnus.com>
6630 * config/arm/arm.md (*mulsidi3adddi, *umulsidi3adddi): New patterns
6631 for long long multiply-accumulate.
6633 1999-12-10 Bernd Schmidt <bernds@cygnus.co.uk>
6635 * loop.c (insert_loop_mem): Undo last change.
6637 1999-12-10 David S. Miller <davem@redhat.com>
6639 * config/sparc/sparc.c (fp_sethi_p, fp_mov_p, fp_high_losum_p):
6641 * config/sparc/sparc-protos.h: Add them.
6642 * config/sparc/sparc.h: Add them to PREDICATE_CODES.
6643 (EXTRA_CONSTRAINT_BASE): New macro, handling Q, R, and S
6644 constraints which use those helpers.
6645 (EXTRA_CONSTRAINT): Use this new macro.
6646 * md.texi: Update sparc target constraints documentation.
6647 * config/sparc/sparc.md (clear_sf, clear_sfp, movsf_const_intreg,
6648 movsf_const_high, movsf_const_lo, movsf_insn): Delete.
6649 (movsf_insn_novis_liveg0, movsf_insn_novis_noliveg0,
6650 movsf_insn_vis, movsf_lo_sum, movsf_high): New patterns.
6651 (movsf high/lo_sum split): Rework for new patterns.
6652 (movsf expander): Allow storing fp_zero to memory if ! live_g0.
6654 1999-12-09 Gavin Romig-Koch <gavin@cetus.cygnus.com>
6656 * c-common.c (c_common_nodes_and_builtins):
6657 Create __builtin_ptrdiff_t and __builtin_size_t.
6659 Thu Dec 9 18:05:48 1999 Jeffrey A Law (law@cygnus.com)
6661 * pa/elf.h (MAX_OFILE_ALIGNMENT): Define.
6663 Fri Dec 10 00:53:10 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
6665 * regclass.c (globalize_reg): Re-instate test that allows
6666 fixed registers to be declared as a variable even after functions
6669 Fri Dec 10 00:52:13 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6671 * i386.md (cpu attribute): Add "athlon".
6672 (athlon_decode): New attribute.
6673 (Athlon scheduling units definitions): New.
6674 (fcmp and shld patterns): Set athlon_decode to "vector".
6675 * i386.c (athlon_cost): New.
6677 (x86_use_leave, x86_push_memory, x86_movx, x86_cmove, x86_deep_branch,
6678 x86_use_sahf): Set for Athlon.
6679 (x86_use_fiop): Unset for Athlon.
6680 (override_options): Define Athlon alignments and "athlon" name.
6681 (x86_adjust_cost): Penalize AGI and delayed latencies for Athlon.
6682 * i386.h (TARGET_ATHLON): New.
6683 (enum processor_type): Add PROCESSOR_ATHLON.
6684 (TARGET_CPU_DEFAULT_SPEC): Set to "-D__tune_athlon__"
6686 (TARGET_CPP_CPU_SPECS): Set -D__tune_athlon__ for Athlon.
6688 1999-12-09 Andreas Jaeger <aj@suse.de>
6690 * loop.c (record_biv): Declare parameter as int.
6692 * config/i386/i386-protos.h: Declare long_memory_operand.
6694 1999-12-09 Mark Mitchell <mark@codesourcery.com>
6696 * tree.c (copy_node): Do zero the TREE_CHAIN, even for an
6697 EXPR_WITH_FILE_LOCATION.
6699 Thu Dec 9 11:36:24 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6701 * i386.md (neg??, abs?f, one_cmpl?i): Use nonimmediate_operand
6704 * flow.c (recompute_reg_usage): Use basic block info to get loop_depth.
6706 * combine.c (try_combine, distribute_notes): Remove REG_N_REFS
6709 1999-12-09 Jakub Jelinek <jakub@redhat.com>
6711 * config/sparc/linux64.h (TARGET_DEFAULT): Make -mapp-regs
6712 default on linux64 again.
6713 * config/sparc/t-linux64: Add mno-app-regs and non-medlow code
6714 models for multilibing.
6715 * genmultilib: Accept | as alternative separator within a set in
6718 * config/sparc/sparc.h (PROMOTE_FOR_CALL_ONLY): Define.
6720 * calls.c (precompute_arguments): Make sure initial_value contains
6721 value pseudo which CSE expects.
6722 * cse.c (struct set): New entry orig_src.
6723 (cse_insn): Set it early on entry, use it for libcall EQUIV note
6726 Wed Dec 8 22:24:15 1999 Richard Henderson <rth@cygnus.com>
6728 * flow.c (count_basic_blocks): Don't add (use (const_int 0)) insns.
6730 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
6732 * loop.c (insert_loop_mem): Don't hoist volatile mems out of loops.
6734 1999-12-08 Jakub Jelinek <jakub@redhat.com>
6736 * config/sparc/sparc.c (ultra_cmove_results_ready_p,
6737 ultra_fpmode_conflict_exists, ultra_flush_pipeline): Typo fix.
6739 * config/sparc/sparc.h (SPARC_SETHI_P): Don't look at topmost 32 bits
6742 * longlong.h: Merge in changes from glibc.
6743 Also don't clobber %g2 register in 32bit SPARC assembly, so that
6744 -mno-app-regs libgcc can be compiled.
6745 * libgcc2.c: Add defines so that the updated longlong.h
6746 can be used in libgcc2.a. Also, make sure on most architectures
6747 (at least on all which have optimized code in longlong.h defined
6748 for) {SI,W}_TYPE_SIZE is suitable for preprocessor tests.
6750 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6752 * config/sparc/sol2-64.h: Same as sol2-sld-64.h, except that
6753 `-m EMULATION' is added to non-default LINK_ARCH_SPECs.
6754 * configure.in: Use sol2-64.h instead of sol2-sld-64.h if linker
6756 * configure: Rebuilt.
6758 Wed Dec 8 03:45:40 1999 Richard Henderson <rth@cygnus.com>
6760 * alpha.c (secondary_reload_class): For !BWX, sub-simode
6761 outputs require a register.
6763 1999-12-08 Brendan Kehoe <brendan@cygnus.com>
6765 * Makefile.in (FPBIT_FUNCS, DPBIT_FUNCS): Add _sf_to_usi
6766 _df_to_usi. Required by some targets, so US_SOFTWARE_GOFAST calls to
6767 functions like dptoul will be resolved.
6768 (libgcc2.a): Make sure that the object files from DPBIT are named
6769 differently (prefix `_dp') from those that would be coming from
6772 1999-12-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>, Jakub Jelinek <jakub@redhat.com>
6774 * configure.in: When target is sparc* and tm_file contains 64,
6775 test for 64bit support in assembler. If not supported, remove
6776 sparc/t-sol2-64 from target-dependent Makefile fragments.
6777 (AS_SPARC64_FLAG): Define to the assembler flag for 64bit.
6778 (HAVE_AS_OFFSETABLE_LO10): Rework test to use these flags.
6779 (HAVE_AS_REGISTER_PSEUDO_OP): Use config.cache.
6780 * acconfig.h (AS_SPARC64_FLAG): Added.
6781 * configure, config.in: Rebuilt.
6782 * config/sparc/sol2-sld-64.h: Same as sol2.h, if without 64bit
6783 support. Use AS_SPARC64_FLAG.
6785 1999-12-07 Jakub Jelinek <jakub@redhat.com>
6787 * config/sparc/sparc.c (hard_32bit_mode_classes): Mark registers
6788 suitable for holding OFmode values so that gcc works with complex
6790 (hard_64bit_mode_classes): Likewise.
6792 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): Fix pattern
6793 so that it is actually matched.
6794 (sethi_di_medlow): Likewise.
6796 * config/sparc/sparc.h (LEGITIMATE_CONSTANT_P): Consider TFmode 0.0L
6797 as legitimate constant if -mvis.
6798 * config/sparc/sparc.md (movtf): Likewise.
6799 (clear_sf): Use const_double_operand.
6800 (clear_sfp, clear_dfp, clear_tf, clear_tfp): New patterns.
6802 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): New function.
6803 * config/sparc/sparc-protos.h (sparc_emit_float_lib_cmp): Prototype.
6804 * config/sparc/sparc.h (*_LIBCALL): Only use for _Q_*
6805 routines, _Qp_* cannot be handled like that now.
6806 (INIT_TARGET_OPTABS): Likewise.
6807 * config/sparc/sparc.md (cmptf): Accept soft float ARCH64.
6808 (seq, sne, sgt, sge, slt, sle, beq, bne, bgt, bge, blt, ble): Call
6809 sparc_emit_float_lib_cmp if ARCH64 and soft float.
6810 (extendsftf2, extenddftf2, trunctfsf2, trunctfdf2, floatsitf2,
6811 floatditf2, fix_trunctfsi2, fix_trunctfdi2, addtf3, subtf3, multf3,
6812 divtf3, sqrttf3): New expanders.
6813 (extendsftf2_hq, extenddftf2_hq, trunctfsf2_hq, trunctfdf2_hq,
6814 floatsitf2_hq, floatditf2_hq, fix_trunctfsi2_hq, fix_trunctfdi2_hq,
6815 addtf3_hq, subtf3_hq, multf3_hq, divtf3_hq, sqrttf3_hq): Rename from
6818 * configure.in (sparc64-*-linux*): Use posix threads if enabled.
6819 * configure: Rebuilt.
6820 * config/sparc/linux64.h: Default to -mcpu=ultrasparc if no
6821 -mcpu is given and we're doing 64bit compiles.
6823 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
6825 * loop.h (struct induction): Add multi_insn_incr.
6826 * loop.c (basic_induction_var): New multi_insn_incr argument.
6827 Set it if we search back through previous insns for the biv.
6828 (record_biv): New multi_insn_incr argument; fill in struct induction.
6829 (strength_reduce): Discard an iv with multiple bivs, any of
6830 which require multiple insns to increment.
6832 1999-12-07 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6834 * invoke.texi (C Dialect Options): Remove -flang-c9x, add -std
6837 1999-12-06 David S. Miller <davem@redhat.com>
6839 * combine.c (check_promoted_subreg): Do not conditionalize this upon
6840 PROMOTE_FUNCTION_RETURN.
6842 Mon Dec 6 15:12:14 1999 Jim Wilson <wilson@cygnus.com>
6844 * regmove.c (optimize_reg_copy_1): If no REG_DEAD note, check for
6845 and handle REG_UNUSED note on insn.
6847 * combine.c (force_to_mode, case LSHIFTRT): New local inner_mask. Set
6848 inner_mask instead of mask.
6850 1999-12-06 Brendan Kehoe <brendan@cygnus.com>
6852 * dwarf2out.c (field_byte_offset): As with dwarfout.c, size can be
6853 zero if there was an error.
6855 1999-12-06 Jakub Jelinek <jakub@redhat.com>
6857 * config/sparc/sparc.md (return_losum_di): Fix typo in asm
6860 * longlong.h: Fix clobbers in SPARC asm statements.
6862 * config/sparc/sparc.c (input_operand): Allow HImode and QImode
6863 valid sethi operations when TARGET_ARCH64.
6865 * calls.c (save_fixed_argument_area): If save_mode is BLKmode,
6866 always use move_by_pieces to avoid infinite recursion.
6867 (restore_fixed_argument_area): Likewise.
6869 * combine.c (check_promoted_subreg, record_promoted_value): New
6871 (combine_instructions): Use them to retain nonzero and sign bit
6872 information after SUBREGs are eliminated by optimizations in
6873 this pass if PROMOTE_FUNCTION_RETURN.
6875 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): Document
6876 .register declaration. Don't use variables with __ prefixes.
6878 Mon Dec 6 12:24:52 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6880 * fold-const.c (optimize_bit_field_compare): Only use one mode
6881 for both RHS and LHS in non-constant case.
6883 1999-12-06 Nathan Sidwell <nathan@acm.org>
6885 * frame.c (start_fde_sort): Only allocate erratic array, if
6886 linear one was allocated. Return allocated flag.
6887 (fde_insert): Only insert, if there's a valid array.
6888 (fde_end_sort): Split, sort and merge if linear and erratic
6889 arrays exist, else just sort linear one.
6890 (search_fdes): New function. Linear search through original fde
6892 (frame_init): Permit multiple initializations. Cope with
6894 (find_fde): Fallback on linear search, if failed to sort array.
6895 (__deregister_frame_info): Only free sorted array, if we
6898 1999-12-06 Jakub Jelinek <jakub@redhat.com>
6900 * config/sparc/sparc.h (MUST_PASS_IN_STACK): New macro.
6902 1999-12-05 Jakub Jelinek <jakub@redhat.com>
6904 * config/sparc/sparc.c (sparc64_initialize_trampoline): Use gen_flushdi.
6906 1999-12-05 Mark Mitchell <mark@codesourcery.com>
6908 * tree.h (special_function_p): Declare.
6909 * calls.c (special_function_p): Make it global. Don't take `name'
6910 as a parameter. Fix typo in 1999-11-28 change.
6911 (expand_cal): Adjust.
6913 1999-12-04 Mark Mitchell <mark@codesourcery.com>
6915 * tree.def (EXPR_WITH_FILE_LOCATION): Fix comment formatting.
6916 * tree.h (EXPR_WFL_FILENAME): Define in terms of
6917 EXPR_WFL_FILENAME_NODE.
6918 (EXPR_WFL_FILENAME_NODE): Use the second operand slot rather than
6920 * print-tree.c (print_note): Print TREE_PRIVATE and
6923 * dwarf2out.c (add_abstract_origin_attribute): Don't abort when
6924 the original die cannot be found.
6926 * varray.h (varray_head_tag): Add elements_used.
6927 (VARRAY_PUSH): New macro.
6928 (VARRAY_POP): Likewise.
6929 (VARRAY_TOP): Likewise.
6930 Add variants of VARRAY_PUSH and VARRAY_POP for all varray element
6932 * varray.c (varray_init): Initialize elements_used.
6933 * Makefile.in (BASIC_BLOCK_H): Add varray.h.
6934 (INTEGRATE_H): New variable.
6935 (integrate.o): Depend on INTEGRATE_H.
6936 (unroll.o): Likewise.
6938 * function.h (insert_block_after_note): Declare.
6939 * function.c (insert_block_after_note): Split out from ...
6940 (retrofit_block): ... here.
6942 * stmt.c (expand_fixup): Fix typo in comment.
6944 Sat Dec 4 14:13:38 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
6946 * regmove.c (copy_src_to_dest): Remove loop_depth parameter.
6947 (optimize_reg_copy_1): Remove REG_N_REFS updating code.
6948 (optimize_reg_copy_2, copy_src_to_dest, fixup_match_2): Likewise.
6949 (regmove_optimize, fixup_match_1): Likewise.
6951 1999-12-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6953 * flow.c (flow_loops_dump): Add missing argument when calling
6956 1999-12-04 Geoffrey Keating <geoffk@cygnus.com>
6957 Greg McGary <gkm@gnu.org>
6959 * c-common.c (enum attrs): Add A_NO_LIMIT_STACK.
6960 (init_attributes): Add A_NO_LIMIT_STACK.
6961 (decl_attributes): Handle A_NO_LIMIT_STACK.
6962 * c-decl.c (duplicate_decls): Handle DECL_NO_LIMIT_STACK.
6963 * explow.c (allocate_dynamic_stack_space) [!HAVE_allocate_stack]:
6964 Handle stack bounds checking.
6965 * flags.h (flag_stack_check): Use the word 'probe' rather than
6966 'check', because the flag doesn't actually cause any checking to
6968 * function.c (expand_function_start): Set
6969 current_function_limit_stack.
6970 * function.h (struct function): Add limit_stack.
6971 (current_function_limit_stack): Define.
6972 * invoke.texi (Code Gen Options): Document new options.
6973 * rtl.h: Declare stack_limit_rtx.
6974 * toplev.c (stack_limit_rtx): New variable.
6975 (decode_f_option): Handle new options -fstack-limit-register=REG,
6976 -fstack-limit-symbol=IDENT, -fno-stack-limit.
6977 (main): Add stack_limit_rtx as GC root.
6978 * tree.h (DECL_NO_LIMIT_STACK): New macro.
6979 (struct tree_decl): New member no_limit_stack.
6981 * config/rs6000/rs6000.c (rs6000_allocate_stack_space): Handle
6983 * config/rs6000/rs6000.md (allocate_stack): Handle stack_limit_rtx.
6984 (conditional_trap+1): Get new mnemonic correct.
6985 (conditional_trap+2): New pattern for DImode traps.
6987 * config/m68k/m68k.c (output_function_prologue): Handle
6989 * config/m68k/m68k.md (trap): New insn.
6990 (conditional_trap): New insn.
6991 * md.texi (Standard Names): Document `trap' and
6993 * optabs.c (gen_cond_trap): Use start_sequence()/end_sequence()
6994 so a cc0 setter doesn't get emitted at some random place in the
6997 * config/i960/i960.md (trap): New insn.
6998 (conditional_trap): New expander.
6999 (conditional_trap+1, conditional_trap+2): New insns for signed
7001 * config/i960/i960.c (i960_function_prologue): Use
7002 STARTING_FRAME_OFFSET. Handle stack_limit_rtx.
7004 Thu Dec 2 21:22:45 1999 Greg McGary <gkm@gnu.org>
7005 Geoffrey Keating <geoffk@cygnus.com>
7007 * flags.h (warn_padded, warn_packed): Add global var decls.
7008 * toplev.c (warn_padded, warn_packed): Add global var defns.
7009 (W_options): Add warnings `-Wpacked' and `-Wpadded'.
7010 * stor-layout.c (layout_record): Add local variable `type'
7011 to hold often-used TREE_TYPE (field). Add local variable
7012 `unpacked_align' to hold alignment that would be in force
7013 if no `packed' attribute were present. Warn if `packed' attribute
7014 is unnecessary, or even harmful. Warn when gcc inserts padding
7015 to satisfy alignment requirements of members. Use NULL_TREE
7016 when checking whether var_size is set.
7017 * invoke.texi: Document new flags.
7019 1999-12-03 Nathan Sidwell <nathan@acm.org>
7021 * frame.c (fde_split): Reimplement to avoid variable sized array.
7023 Thu Dec 2 18:59:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7025 * combine.c (try_combine): Before fixing up LOG_LINKS for the
7026 i3_subst_into_i2 case, check that GET_CODE (PATTERN (i2)) == PARALLEL.
7028 1999-12-02 Gavin Romig-Koch <gavin@cygnus.com>
7030 * invoke.texi: Document the mips option -mno-crt0
7032 1999-12-02 Mike Karr <mkarr@mathworks.com>
7034 * cccp.c (argdata): Added free_ptr member.
7035 (macroexpand): Initialize free_ptr of each argument. When an
7036 argument's buffers are freed, if the argument's free_ptr corresponds
7037 to a buffer on the input stack, then return the free_ptr to that stack
7038 frame, otherwise, free it.
7039 (macarg): If an argument begins and ends on the same input stack level,
7040 then transfer the free_ptr of that buffer to the argument in case
7041 the stack is popped during the processing of a subsequent argument.
7043 1999-12-02 Bernd Schmidt <bernds@cygnus.co.uk>
7045 * loop.c (note_reg_stored): New function.
7046 (struct note_reg_stored_arg): New structure.
7047 (try_copy_prop): Change to be more conservative; only replace within
7048 one extended basic block and stop replacing if a store to the
7049 replacement reg is seen.
7051 1999-12-02 Nick Clifton <nickc@cygnus.com>
7053 * config/fp-bit.c: Initialise all fields of the NAN
7056 * c-lex.c (check_newline): Pass pragma_getc and pragma_ungetc
7059 Wed Dec 1 18:16:38 1999 Jan Hubicka <hubicka@freesoft.cz>
7061 * i386.md (extend?f?f2): Force the input into a register, not
7064 1999-12-01 Jakub Jelinek <jakub@redhat.com>
7066 * config/sparc/sparc.md (movsf_const_intreg): Add constraints for
7068 (movdf_const_intreg_sp32): Likewise. Prefer the memory load
7069 alternative because setting up 64bit constant is usually costly,
7070 especially when reload is in progress or completed.
7071 (movdf_const_intreg_sp64): Likewise.
7072 (movdf_const_intreg split): Fix building up constants when
7073 HOST_BITS_PER_WIDE_INT is 64 yet long is 32bit.
7075 Wed Dec 1 16:51:22 1999 Jeffrey A Law (law@cygnus.com)
7077 * combine.c (if_then_else_cond): Use const_true_rtx instead of
7078 const1_rtx for return values in EQ/NE comparison against (const_int 0)
7081 * mn10300.c (REG_SAVE_BYTES): Allocate space for AM33 registers.
7082 (asm_file_start): Emit .am33 into assembly file when compiling for
7084 (print_operand_address): Handle POST_INC addresses.
7085 (can_use_return_insn, initial_offset): Check AM33 registers too.
7086 (expand_prologue): Check & save AM33 registers too.
7087 (expand_epilogue): Similarly.
7088 (secondary_reload_class): Handle AM33 specific secondary reloads.
7089 (output_tst): Emit efficient code for the AM33 too.
7090 * mn10300.h (CPP_SPEC, TARGET_AM33): Define.
7091 (TARGET_SWITCHES): Add -mam33 switch.
7092 (FIRST_PSEUDO_REGISTER): Handle new AM33 registers.
7093 (FIXED_REGISTERS, CALL_USED_REGISTERS): Likewise.
7094 (REG_ALLOC_ORDER, CONDITIONAL_REGISTER_USAGE): Likewise.
7095 (HARD_REGNO_MODE_OK, MODES_TIEABLE_P): Likewise.
7096 (enum reg_class, REG_CLASS_NAMES): Likewise.
7097 (REG_CLASS_CONTENTS, REGNO_REG_CLASS): Likewise.
7098 (INDEX_REG_CLASS, REG_CLASS_FROM_LETTER): Likewise.
7099 (REGNO_OK_FOR_INDEX_P, PREFERRED_RELOAD_CLASS): Likewise.
7100 (PREFERRED_OUTPUT_RELOAD_CLASS, LIMIT_RELOAD_CLASS): Likewise.
7101 (REGISTER_MOVE_COST, REGISTER_NAMES): Likewise.
7102 (HAVE_POST_INCREMENT): Define.
7103 (GO_IF_LEGITIMATE_ADDRESS): Allow POST_INC addresses for the AM33.
7104 (GO_IF_MODE_DEPENDENT_ADDRESS): POST_INC is a mode dependent address.
7105 * mn10300.md (movqi, movhi, addsi, subsi): Add AM33 variants.
7106 (mulsi, andsi, iorsi, xorsi, notsi): Likewise.
7107 (ashiftsi, lshiftrtsi, ashiftrtsi): Likewise.
7108 (zero_extend to SI from QI/HI): Likewise.
7109 (sign_extend to SI from QI/HI): Likewise.
7110 (mulsidi3, umulsidi3): New patterns for the AM33.
7111 (tstsi with zero extension from QI/HI): Add AM33 variants.
7112 (movsi, movsf, movdi, movdf): Generate efficient code for the AM33 too.
7113 (return_internal_regs, store_movm): Handle new AM33 registers.
7114 * t-mn10300 (MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Define.
7115 (LIBGCC, INSTALL_LIBGCC): Likewise.
7116 * invoke.texi: Document new flags.
7118 Fri Nov 26 10:59:12 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
7120 * i386.md (addsi3_cc): Add "binary_operator_ok" to the condition.
7121 (addsi3_carry): Likewise.
7122 (sbbsi3_cc): Add "binary_operator_ok" to the condition.
7123 (sbbsi3_carry): Likewise.
7124 (mulsi3): Rewrite to expander, ensure that only one operand is memory.
7126 (test?i_1): Ensure that only one operand is memory.
7127 (conditional move patterns): likewise.
7128 (shift and rotate patterns): Rewrite to expander, add
7129 "binary_operator_ok" to the condition.
7131 * i386.md (QImode patterns): Remove '*' before the 'r' constraints.
7132 * i386.h (procesor_costs): Add movzbl_load field.
7133 (HARD_REGNO_MODE_OK): Accept QImode on non PARTIAL_REGISTER_STALL in
7134 non-Q registers, accept DImode registers anywhere.
7136 (MEMORY_MOVE_COST): Calculate QImode moves correctly.
7137 * i386.c (*_cost): Set value for movxbl_load field.
7139 * (addsi): New add to lea splitter.
7141 (lea to add/shift peep2): New.
7143 1999-12-01 Mark Salter <msalter@cygnus.com>
7145 * config/mips/elf.h (STARTFILE_SPEC): Add no-crt0.
7146 * config/mips/elf64.h (STARTFILE_SPEC): Add no-crt0.
7147 * config/mips/mips.h (TARGET_SWITCHES): Add no-crt0.
7149 Tue Nov 30 15:20:52 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7151 * i386.c (ix86_expand_move): Never add clobbers to move patterns.
7152 * i386.md (movsi_xor): New.
7154 (movsi_1, movhi_1, movqi_1): Remove.
7155 (movsi_2): Rename to movsi_1.
7156 (movhi_2): Rename to movhi_1.
7157 (movqi_2): Rename to movqi_1.
7158 (movdi_1): Remove; remove splitter.
7159 (movdi_2): Rename to movdi_1.
7160 (divmodsi4 splitter): Do not emit clobbers for move patterns.
7161 (long move peep2): Do not create QI or HI mode mov0s
7162 (mov -1,reg -> or peep2s): Enable again, rewrite to single peephole.
7164 * i386.md (zero_extend?i?i2): Rewrite to expanders; new patterns,
7167 * i386.md (neg?f2_if): Split "r" and "f" to separate alternatives.
7168 (abs?f2_if): Likewise.
7170 1999-11-30 Alex Samuel <samuel@codesourcery.com>
7172 * ggc.h (ggc_test_and_set_mark): New macro.
7173 (ggc_mark_rtx): Use ggc_test_and_set_mark.
7174 (ggc_mark_tree): Likewise.
7175 (ggc_mark_rtvec): Likewise.
7176 * ggc-common.c (ggc_mark_rtx_children): Reduce recursion.
7178 1999-11-30 Jason Merrill <jason@casey.cygnus.com>
7180 * dwarf2out.c (scope_die_for): Only handle types. Only search for
7182 (decl_scope_table): Just an array of trees now.
7183 (push_decl_scope): Simplify.
7184 (dwarf2out_init): Adjust.
7185 (local_scope_p): New fn.
7186 (gen_inlined_enumeration_type_die): Don't call scope_die_for.
7187 (gen_inlined_union_type_die, gen_inlined_structure_type_die): Likewise.
7188 (gen_typedef_die): Likewise.
7189 (gen_lexical_block_die): Don't call push/pop_decl_scope.
7190 (gen_inlined_subroutine_die): Likewise.
7191 (gen_abstract_function): Set current_function_decl temporarily.
7192 (gen_subprogram_die): Don't check DECL_ABSTRACT to set declaration.
7193 Handle block extern declarations. Don't call push/pop_decl_scope.
7194 (gen_decl_die): Fix logic for block externs.
7196 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7198 * calls.c (special_function_p): Remove `realloc' and add `strdup'
7199 to the list of functions which have attribute malloc by default.
7201 1999-11-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7203 * c-lex.c (yylex): With -Wtraditional, when the ANSI type of an
7204 integer constant does not match the traditional type, limit the
7205 warnings to cases where the base of the type is ten.
7207 * invoke.texi (-Wtraditional): Document it.
7209 Tue Nov 30 15:18:35 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7211 * combine.c (try_combine): Only pass SET or CLOBBER to SET_DEST
7212 * rs6000.md: Only access a CONST_INT with INTVAL
7214 Tue Nov 30 14:21:00 1999 Richard Henderson <rth@cygnus.com>
7216 * lcm.c (compute_laterin): Cast bb->aux to size_t not int.
7217 (compute_nearerout): Likewise.
7218 * ggc-page.c (ggc_page_print_statistics): Explicitly cast
7219 size_t to unsigned long for formatting.
7221 1999-11-30 Jakub Jelinek <jakub@redhat.com>
7223 * config/sparc/sparc.h (FIXED_REGISTERS, CONDITIONAL_REGISTER_USAGE):
7224 Allow the user to override call-used/fixed state of %g2-5
7225 registers from the command line (with the exception of %g4 for
7227 (REG_LEAF_ALLOC_ORDER): Move %g1 and %g4-7 registers to front, so that
7228 there is a higher chance of having a leaf function.
7229 (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Provide separate macros
7230 for ARCH64 which has %ccr register.
7231 * config/sparc/sparc.md (return_losum_si, return_losum_di): New
7233 * config/sparc/sparc.c (eligible_for_epilogue_delay): For the return
7234 insn accept into delay slot any insn which does not use %[ol]
7235 registers. Accept some LO_SUM and shift left by 1 for the normal
7237 (output_function_epilogue): Likewise.
7238 (epilogue_renumber): Added argument which inhibits any renumbering
7239 and just tests if the rtx does not use any %[ol] registers.
7240 (output_return): Reflect above change.
7242 1999-11-30 Jakub Jelinek <jakub@redhat.com>
7244 * config/sparc/sparc.c (sparc_va_arg): Fix sparc64 va_arg
7245 aggregate passing for sizes <= 16 bytes.
7247 1999-11-30 Bernd Schmidt <bernds@cygnus.co.uk>
7249 * cse.c (FIXED_REGNO_P): Delete tests for OVERLAPPING_REGNO_P.
7250 * global.c (global_alloc): Delete [OVERLAPPING_REGNO_P] code.
7251 * reload.c (find_dummy_reload): Likewise.
7252 (find_equiv_reg): Likewise; also for INSN_CLOBBERS_REGNO_P.
7253 * reload1.c (reload_as_needed): Likewise.
7254 * stupid.c (stupid_find_reg): Likewise.
7255 * tm.texi (Obsolete Register Macros): Delete section.
7256 * gmicro.h: Remove all traces of the two macros.
7261 1999-11-30 Brendan Kehoe <brendan@cygnus.com>
7263 * sparc.h (MASK_FASTER_STRUCTS, TARGET_FASTER_STRUCTS): Define.
7264 (TARGET_SWITCHES): Add -mfaster-structs/-mno-faster-structs flags.
7265 (ROUND_TYPE_ALIGN): Use better value if -mfaster-structs.
7266 * sparc.md (sparclite86x_branch, sparclite86x_shift): New function
7267 units for the sparclite86x chip.
7268 (flush): Revert October 14th change; add SImode specifically.
7269 (flushdi): Copy of flush, but DImode, to avoid genrecog warnings.
7270 * invoke.texi: Document it.
7272 Tue Nov 30 14:58:14 1999 Nick Clifton <nickc@cygnus.com>
7274 * config/mn10200/mn10200.h (PREDICATE_CODES): Add
7275 psimode_truncation_operand.
7277 * config/mn10200/mn10200.c (psimode_truncation_operand): New
7278 function. Return true if the operand is either a MEM valid
7279 for a PSImode address or not a MEM at all.
7281 * config/mn10200/mn10200.md (truncsipsi2): Use
7282 psimode_truncation_operand.
7284 1999-11-30 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
7286 * flow.c (flow_nodes_print, flow_loops_cfg_dump): New functions.
7287 (flow_loop_nested_p, flow_loops_dump, flow_loops_free): Likewise.
7288 (flow_loop_exits_find, flow_loop_nodes_find): Likewise.
7289 (flow_depth_first_order_compute, flow_loop_pre_header_find): Likewise.
7290 (flow_loop_tree_node_add, flow_loops_tree_build): Likewise.
7291 (flow_loop_level_compute, low_loops_level_compute): Likewise.
7292 (flow_loops_find, flow_loop_outside_edge_p): Likewise.
7293 * basic-block.h: Protect from multiple inclusion.
7294 (flow_loops_find, flow_loops_free, flow_loop_dump): Add protoypes.
7295 (struct loops, struct loop): Define structures.
7296 * sbitmap.c (sbitmap_a_subset_b_p): New function.
7297 * sbitmap.h: Protect from multiple inclusion.
7298 (sbitmap_a_subset_b_p): Add prototype.
7299 * Makefile.in (LOOP_H): New macro.
7300 (stmt.o, integrate.o, loop.o, unroll.o): Replace loop.h with LOOP_H.
7302 Tue Nov 30 01:34:47 1999 Philippe De Muyter <phdm@macqel.be>
7304 * cppinit.c (CAT): The argument list of this macro may not contain
7307 1999-11-29 David S. Miller <davem@redhat.com>
7309 Move quantity tables and register equivalence chains into
7310 per-qty and per-register structure arrays respectively.
7311 * cse.c (qty_first_reg, qty_last_reg, qty_mode, qty_const,
7312 qty_const_insn, qty_comparison_code, qty_comparison_const,
7313 qty_comparison_qty): Delete, replace with...
7314 (qty_table): this structure table.
7315 (reg_next_eqv, reg_prev_eqv): Delete, replace with...
7316 (reg_eqv_table): this structure table.
7317 (make_new_qty): Add argument MODE. Caller updated.
7318 Update to use qty_table and reg_eqv_table.
7319 (make_regs_eqv, delete_reg_equiv, insert_regs,
7320 insert, exp_equiv_p, cse_rtx_varies_p, canon_reg,
7321 fold_rtx, equiv_constant, record_jump_cond, cse_insn,
7322 cse_process_notes, cse_main, cse_basic_block): Likewise.
7324 Mon Nov 29 16:56:42 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7326 * fold-const.c (extract_muldiv, case {MIN,MAX}_EXPR): Reverse
7327 operation if C is negative.
7328 (extract_muldiv, case SAVE_EXPR): Supresss if arg has side effects.
7329 (extract_muldiv, case {PLUS,MINUS}_EXPR): Don't apply distributive
7330 law for some divisions if constant is negative and change other
7331 divisions to the opposite rounding.
7333 * expr.c (store_constructor_field): If bit position is not multiple
7334 of alignment of TARGET's mode, use BLKmode.
7336 * expr.c (expand_expr_unaligned): Add more code from full case
7337 that is needed when OP0 is in a register.
7339 Mon Nov 29 18:09:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7341 * dwarfout.c (field_byte_offset): Size can be zero if there was
7344 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
7346 * fold-const.c (split_tree): Delete unused vars ORIG_IN and TYPE.
7347 (associate_trees): Delete unused var TEM.
7348 (extract_muldiv): Delete unused var CANCEL_P.
7350 * fold-const.c [TARGET_FLOAT_FORMAT != IEEE_FLOAT_FORMAT]
7351 (target_isinf, target_isnan, target_negative): Add return types to
7352 function definitions.
7354 1999-11-29 Bruce Korb <autogen@linuxbox.com>
7356 * fixinc/fixincl.c(process): don't skip GLIBC files any more.
7357 * fixinc/hackshell.tpl: ditto
7358 * fixinc/fixtests.c(double_slash_test): more C++ header testing
7359 * fixinc/inclhack.def(AAB_fd_zero_glibc*): corrected spelling of mach
7361 1999-11-29 Bernd Schmidt <bernds@cygnus.co.uk>
7363 * reload.c (push_reload): When looking for a register to put into
7364 reg_rtx, make sure all hard regs in a multi-reg register are in the
7365 right class and nonfixed.
7367 * haifa-sched.c (reg_last_uses, reg_last_sets, reg_last_clobbers,
7368 pending_read_insns, pending_write_insns, pending_read_mems,
7369 pending_write_mems, pending_list_length, last_pending_memory_flush,
7370 last_function_call, sched_before_next_call): Move static variables
7372 (bb_ prefixed versions): Replace with single array bb_deps.
7373 (struct deps): New structure.
7374 (add_insn_mem_dependence, flush_pending_lists, sched_analyze_1,
7375 sched_analyze_2, sched_analyze_insn, sched_analyze): Accept new
7376 argument of type "struct deps *"; use that instead of global
7377 variables. All callers changed.
7378 (init_rgn_data_dependencies): Delete function.
7379 (init_rtx_vector): Delete function.
7380 (init_deps): New function.
7382 (free_pending_lists): Simplify, we always use the bb_deps array even
7383 if only one basic block.
7384 (compute_block_backward_dependences): Likewise.
7385 (schedule_region): Likewise.
7387 (propagate_deps): New function, broken out of
7388 compute_block_backward_dependences.
7389 (compute_block_backward_dependences): Use it.
7391 * alpha.md: Delete useless patterns that tried to work around
7392 register elimination problems.
7394 * unroll.c (loop_iterations): Don't abort if iteration variable
7397 From Joern Rennecke:
7398 * reload1.c (reloads_conflict): Reverse test comparing operand
7399 numbers when testing for conflict between output/outaddr reloads.
7401 1999-11-29 David S. Miller <davem@redhat.com>
7403 * config/sparc/sparc.c (init_cumulative_args): Fix type of third
7405 * config/sparc/sparc-protos.h: Update proto, move into RTX_CODE.
7407 1999-11-28 Robert Lipe <robertl@cygnus.com>
7409 * i386/sco5.h (FINI_SECTION_ASM_OP_COFF): Move destructor fn
7410 table from .fini into .dtor.
7412 1999-11-28 Anthony Green <green@cygnus.com>
7414 * tree.h (struct tree_decl): Add malloc_flag.
7415 (DECL_IS_MALLOC): Define.
7416 * c-common.c (attrs): Add A_MALLOC attribute.
7417 (init_attributes): Add this attribute to the table.
7418 (decl_attributes): Handle malloc attribute.
7419 * calls.c (special_function_p): Check for the malloc attribute.
7420 * extend.texi (Function Attributes): Document malloc attribute.
7422 Sun Nov 28 13:21:00 1999 Jeffrey A Law (law@cygnus.com)
7424 * pa.md (reload shift-add patterns): Remove.
7426 1999-11-28 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7428 * reorg.c (dbr_schedule) Print more statistics. Corrected
7429 problem when printing info when 3 delay slots are filled.
7431 1999-11-28 Jakub Jelinek <jakub@redhat.com>
7433 * combine.c (setup_incoming_promotions): Pass an outgoing
7434 regno to FUNCTION_ARG_REGNO_P which it expects.
7436 1999-11-28 Andreas Jaeger <aj@suse.de>
7438 * mips/linux.h (CPP_PREDEFINES): Undefine before redefining.
7440 Sun Nov 28 00:48:15 1999 Philippe De Muyter <phdm@macqel.be>
7442 * cccp.c (do_include): Avoid initialization of automatic variable.
7444 * integrate.c (mark_stores): Function definition made void, to match
7445 previous declaration.
7446 * regclass.c (dump_regclass): Ditto.
7447 * Makefile.in (WARN_CFLAGS): Macro augmented by `-Wtraditional'.
7449 Sat Nov 27 08:38:26 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7451 * expr.c (store_constructor): Use EXACT_DIV_EXPR when dividend is
7452 known to be multiple of divisor.
7454 * expr.c (store_constructor): Don't clobber TARGET if CLEARED.
7456 * combine.c (try_combine): Add code to try to merge a set of a
7457 two-word pseudo to a constant with a setting of one of those words
7460 * fold-const.c (negate_expr, associate_trees, extract_muldiv): New.
7461 (split_tree): Completely rework to make more general.
7462 (make_range, fold): Call negate_expr.
7463 (fold, case NEGATE_EXPR): Simplify -(a-b) is -ffast-math.
7464 (fold, associate): Call new split_tree and associate_trees.
7465 (fold, case MULT_EXPR, case *_{DIV,MOD}_EXPR): Call extract_muldiv.
7467 1999-11-26 Bernd Schmidt <bernds@cygnus.co.uk>
7469 * loop.c (try_copy_prop): Avoid GNU C extension.
7471 1999-11-25 Mark Mitchell <mark@codesourcery.com>
7473 * except.c (init_eh_for_function): Still zero eh_return_context,
7474 eh_return_stack_adjust, and eh_return_handler.
7476 * except.h (eh_status): Adjust documentation for x_protect_list.
7477 (begin_protect_partials): New function.
7478 * except.c (enqueue_eh_entry): Fix formatting.
7479 (get_first_handler): Add consistency check.
7480 (add_partial_entry): Adjust usage of protect_list.
7481 (emit_cleanup_handler): Save and restore ehqueue.
7482 (expand_start_all_catch): Add comment.
7483 (begin_protect_partials): New function.
7484 (end_protect_partials): Adjust usage of protect_list.
7485 (init_eh_for_function): Use xcalloc.
7487 1999-11-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7489 * c-common.c (check_format_info): Don't call a variadic function
7490 with a non-literal format string.
7492 * c-decl.c (grokdeclarator, start_struct, finish_struct): Likewise.
7494 * c-typeck.c (build_component_ref, build_unary_op, lvalue_or_else,
7495 pedantic_lvalue_warning, error_init, pedwarn_init, warning_init):
7498 * cccp.c (check_macro_name, do_xifdef, vwarning_with_line):
7501 * collect2.c (collect_wait): Likewise.
7503 * dbxout.c (dbxout_type): Likewise.
7505 * gcc.c (do_spec_1): Likewise.
7507 * genemit.c (gen_insn, gen_expand): Likewise.
7509 * genrecog.c (write_switch, write_subroutine): Likewise.
7511 * mips-tfile.c (catch_signal, botch): Likewise.
7513 * print-rtl.c (print_rtx): Likewise.
7515 * toplev.c (default_print_error_function, report_error_function,
7516 _fatal_insn): Likewise.
7518 1999-11-25 Mark Mitchell <mark@codesourcery.com>
7520 * tree.c (unsave_expr_now): Handle NULL_TREE as input.
7522 Wed Nov 24 17:08:09 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7524 * reg-stack.c (subst_stack_regs_pat): Swap operands in commutative
7525 operations when needed.
7526 * i386.md (fop_?f_comm): New.
7527 (fop_?f_1): Do not accept commutative operands.
7529 1999-11-25 Andreas Jaeger <aj@suse.de>
7531 * config/mips/mips.md (casesi_internal): Add missing brace.
7533 1999-11-25 Jason Merrill <jason@casey.cygnus.com>
7535 * dwarf2out.c (pend_type, output_pending_types_for_scope): Lose.
7536 (splice_child_die): Handle moving a child DIE from the declaration
7537 DIE of a class to its specification.
7538 (gen_struct_or_union_type_die): Use 'complete' consistently.
7539 (gen_decl_die): Generate the virtual context DIE first.
7540 Use decl_ultimate_origin instead of DECL_ABSTRACT_ORIGIN.
7542 1999-11-24 Gavin Romig-Koch <gavin@cygnus.com>
7544 * config/mips/mips.md (call_value_multiple_interanal1): New.
7546 1999-11-24 Jason Merrill <jason@casey.cygnus.com>
7548 * dwarf2out.c (free_AT, free_die): New fns.
7549 (remove_children): Call them.
7550 (output_line_info): Disable removal of duplicate notes.
7552 Generate minimal debug info for types with TYPE_DECL_SUPPRESS_INFO set.
7553 * dwarf2out.c (gen_struct_or_union_type_die): TYPE_DECL_SUPPRESS_INFO
7554 means pretend the type isn't defined.
7555 Don't defer emitting types.
7556 (gen_type_die_for_member): New fn.
7557 (gen_decl_die): Call it.
7558 (splice_child_die): New fn.
7559 (gen_member_die): Call it rather than generate duplicate dies.
7561 Defer emitting information for the abstract instance of an inline
7562 until we either inline it or emit an out-of-line copy.
7563 * dwarf2out.c (decl_ultimate_origin): Ignore DECL_ABSTRACT_ORIGIN
7564 from output_inline_function if DECL_ABSTRACT is also set.
7565 (block_ultimate_origin): Likewise.
7566 (gen_abstract_function): New fn.
7567 (gen_decl_die, gen_inlined_subroutine_die): Call it.
7568 (gen_subprogram_die): An abstract instance is not a declaration
7569 just because it doesn't match current_function_decl. Don't abort
7570 because DECL_DEFER_OUTPUT isn't set. Do abort if a declaration
7571 has an abstract origin.
7572 * toplev.c (rest_of_compilation): Don't emit dwarf2 info for the
7573 abstract instance here.
7575 Wed Nov 24 18:39:18 1999 Andrew Haley <aph@cygnus.com>
7577 * config/sh/sh.h (SECONDARY_OUTPUT_RELOAD_CLASS): Add the case
7578 where we need to reload fpul from a system register.
7580 1999-11-24 Andreas Jaeger <aj@suse.de>
7582 * config/mips/linux.h (CPP_PREDEFINES): Added.
7583 (LINK_SPEC): Remove -Y since this is only needed on sparc.
7585 1999-11-24 Andreas Jaeger <aj@suse.de>
7587 * config/mips/linux.h (TARGET_VERSION): Added.
7588 (HANDLE_SYSV_PRAGMA): Added.
7589 (DEFAULT_VTABLE_THUNKS): Added.
7591 Wed Nov 24 14:12:15 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7593 * local-alloc.c (qty): New structure and static variable.
7594 (qty_phys_reg): Remove, all references changed to qty.
7595 (qty_n_refs): Likewise.
7596 (qty_min_class): Likewise.
7597 (qty_birth): Likewise.
7598 (qty_death): Likewise.
7599 (qty_size): Likewise.
7600 (qty_mode): Likewise.
7601 (qty_n_calls_crossed): Likewise.
7602 (qty_alternate_class): Likewise.
7603 (qty_changes_size): Likewise.
7604 (qty_first_reg): Likewise.
7605 (alloc_qty): Rename variable QTY to QTYNO.
7606 (finf_free_reg): Likewise.
7607 (local_alloc): Allocate qty, do not allocate the removed variables.
7609 Wed Nov 24 17:26:05 1999 Geoffrey Keating <geoffk@cygnus.com>
7611 * config/mips/mips.h (ASM_SPEC): Don't pass -G to the assembler
7612 when -membedded-pic is passed.
7614 * config/mips/mips.md (casesi): Handle 64-bit case too.
7615 (casesi_internal_di): New insn.
7617 * config/mips/mips.c (embedded_pic_offset): Always make the
7618 embedded-pic subtractions relative to the name of the current
7619 function by use of the magic string "..CURRENT_FUNCTION".
7620 * config/mips/mips.h (ASM_OUTPUT_LABELREF): Make the magic happen.
7622 1999-11-24 Geoffrey Keating <geoffk@cygnus.com>
7624 * config/mips/mips.md (div_trap_normal): Don't ask for the REGNO
7625 of (const_int 0), when what we really care about is
7626 whether it's a zero constant anyway.
7627 (div_trap_mips16): Likewise.
7629 1999-11-23 Mark Mitchell <mark@codesourcery.com>
7631 * loop.c (loop_optimize): Always find_loop_tree_blocks and
7632 unroll_block_trees when generating debuggable code.
7634 * tree.h (unsave_expr_1): New function.
7635 (lang_unsave): New variable.
7636 (get_callee_fndecl): New function.
7637 * tree.c (unsave_expr_now_r): New function.
7638 (lang_unsave): Define.
7639 (unsave_expr_1): Likewise.
7640 (unsave_expr_now_r): Split out from unsave_expr_now.
7641 (unsave_expr_now): Call lang_unsave if it is non-NULL. Otherwise,
7642 call unsave_expr_now_r.
7643 (get_callee_fndecl): Define.
7645 * Makefile.in (gencheck): Don't depend on lang_tree_files.
7646 (gencheck.o): Do depend on lang_tree_files.
7648 * integrate.h (copy_decl_for_inlining): New declaration.
7649 * integrate.c (copy_and_set_decl_abstract_origin): Remove.
7650 (copy_decl_for_inlining): New function.
7651 (integrate_parm_decls): Use it.
7652 (integrate_decl_tree): Likewise.
7654 1999-11-23 Gavin Romig-Koch <gavin@cygnus.com>
7656 * config/mips/mips.h (ISA_HAS_FP4,ISA_HAS_CONDMOVE,ISA_HAS_8CC): Split
7657 the second two from the first.
7658 (CONDITIONAL_REGISTER_USAGE): Use ISA_HAS_8CC rather than ISA_HAS_FP4.
7659 * config/mips/mips.md (movcc,reload_incc,reload_outcc,
7660 conditional move): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
7662 * config/mips/mips.c (mips_move_1word,gen_conditional_branch,
7663 override_options): Use ISA_HAS_CONDMOVE or ISA_HAS_8CC rather than
7666 Tue Nov 23 11:15:04 1999 Jeffrey A Law (law@cygnus.com)
7668 * pa.md (call_internal_symref, call_value_internal_symref): No mode
7669 needed on the address operand.
7670 * pa.c (call_operand_address): Check for the correct mode.
7672 1999-11-23 Bernd Schmidt <bernds@cygnus.co.uk>
7674 * loop.c: Include "basic-block.h".
7675 (try_copy_prop, replace_loop_reg): New functions.
7676 (load_mems): Detect registers that just hold copies of the hoisted
7677 mem, and call try_copy_prop to eliminate them.
7678 * Makefile.in (loop.o): Update dependencies.
7680 Tue Nov 23 01:03:29 1999 Hans-Peter Nilsson <hp@axis.com>
7682 * Makefile.in (gencheck.o): Depend on gencheck.h.
7683 (insn-emit.o): Depend on flags.h, hard-reg-set.h and resource.h.
7684 (insn-peep.o): Depend on except.h and function.h.
7685 (insn-attrtab.o): Depend on RECOG_H.
7686 (insn-output.o): Depend on toplev.h and flags.h.
7687 (gengenrtl.o): Depend on real.h.
7688 (gen-protos.o): Depend on cpplib.h and cpphash.h.
7689 Unify all dependencies to be on RECOG_H rather than recog.h.
7691 Tue Nov 23 00:57:10 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7693 From Casper H.S. Dik on comp.unix.solaris, 23 Oct 1998:
7694 * configure.in: Try building a bi-arch 32/64-bit compiler on
7695 sparc-*-solaris2.7 and higher.
7696 * configure: Rebuild.
7698 Mon Nov 22 23:09:44 1999 David O'Brien <obrien@FreeBSD.org>
7700 * config/freebsd.h: New, FreeBSD architecture independent file.
7701 * config/i386/freebsd-elf.h: removed FreeBSD architecturally
7703 * config/i386/freebsd.h: include i386/perform.h via tm.h rather than
7704 directly by i386/freebsd.h.
7705 * configure.in (*-*-freebsdelf): Include new FreeBSD architecturally
7706 independent configuration file.
7707 (*-*-freebsdelf): Include i386/perform.h via tm.h rather than
7708 directly by i386/freebsd.h.
7709 * configure: Rebuilt.
7711 * xm-i386.h: Define `__i386__' if not defined, rather than `i386'
7712 which is in the user's namespace.
7713 * libgcc2.c: Look for the ANSI-C approved `__i386__' symbol, vs.
7714 `i386' which is not in our namespace.
7716 Mon Nov 22 22:58:01 1999 "R. Kelley Cook" <KelleyCook@attglobal.net>
7718 * invoke.texi (ARM Options): Add in -mno-alignment-traps
7720 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
7722 * dwarf2out.c (die_struct): Remove die_attr_last and die_child_last.
7723 (add_dwarf_attr, add_child_die): Just push onto the front.
7724 (reverse_die_lists): New fn.
7725 (add_sibling_attributes): Use it.
7726 (push_decl_scope): Reorganize.
7727 (add_name_and_src_coords_attributes): Don't set file and line for
7729 (gen_subprogram_die): An artificial function doesn't need to match
7731 (gen_compile_unit_die): Return the generated die. Only add
7732 AT_comp_dir if the filename is relative.
7733 (remove_AT): Simplify loop. Also free string values.
7734 (output_die): A DIE ref can't be null.
7735 (output_value_format, value_format): Take a dw_attr_ref.
7736 (dwarf_last_decl, is_extern_subr_die, sibling_offset): Remove.
7737 (AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
7738 AT_addr, AT_lbl): New fns.
7739 (various): Use them.
7740 (various): Constify.
7742 Mon Nov 22 23:53:50 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
7744 * combine.c (combine_simplify_rtx): When handling a SUBREG,
7745 take SUBREG_WORD into account.
7746 (if_then_else_cond): Likewise.
7748 1999-11-22 Jason Merrill <jason@casey.cygnus.com>
7750 * gmon.c, i386/gmon-sol2.c, sparc/gmon-sol2.c: Remove advertising
7751 clause from BSD license, pursuant with
7753 ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change
7755 1999-11-22 Bernd Schmidt <bernds@cygnus.co.uk>
7757 * loop.c (load_mems): Reformat slightly.
7758 * basic-block.h (regset_head): New typedef.
7759 (INIT_REG_SET): New macro.
7761 1999-11-22 Bruce Korb <autogen@linuxbox.com
7763 * fixinc/mkfisinc.sh(i?86-*-linux): disable script, run fixincl exe
7764 (mips-dec-bsd*): non-functional code
7765 (alpha*-*-linux-gnu*): redundant, duplicated by "*-*-linux-gnu*"
7767 * fixinc/inclhack.def(AAB_fd_zero_glibc_*):
7768 added three replacement fixes
7769 (no_double_slash): removed comments that are not (any longer) pertinent
7770 (bad_lval): this fix currently runs against many files.
7771 The comment seems to indicate that we should select for files
7772 containing 'pragma extern_prefix'.
7774 * fixinc/fixinc.x86-linux-gnu: deleted
7775 * fixinc/inclhack.sh: regen
7776 * fixinc/fixincl.x: regen
7777 * fixinc/fixincl.sh: regen
7779 Fri Nov 12 14:08:40 1999 Andrew Haley <aph@cygnus.com>
7781 * emit-rtl.c (gen_sequence): Only return the pattern of an insn if
7782 its code is INSN and it has no notes.
7784 1999-11-22 Andrew Haley <aph@cygnus.com>
7786 * varasm.c (function_defined): Remove.
7787 (make_function_rtl): Don't set function_defined.
7788 (make_decl_rtl): Remove global register warning.
7789 * regclass.c (no_global_reg_vars): New variable.
7790 (globalize_reg): Warn if function has already been defined.
7791 (regclass_init): Set no_global_reg_vars.
7793 Mon Nov 22 14:42:22 MET 1999 Jan Hubicka <hubicka@freesoft.cz>
7795 * regclass.c (reg_pref): New structure and static variable
7796 (prefclass): Delete.
7798 (all uses of prefclass and altclass): Use reg_pref instead.
7800 1999-11-21 Nick Clifton <nickc@cygnus.com>
7802 * invoke.texi (ARM Options): Replace -mshort-load-bytes with
7804 (arm.h): Replace -mshort-load-bytes with -malignment-traps.
7805 (arm.c): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
7806 (arm.md): Replace TARGET_SHORT_BY_BYTES with TARGET_MMU_TRAPS.
7808 Sun Nov 21 17:11:13 1999 Geoffrey Keating <geoffk@cygnus.com>
7810 * varasm.c (output_constructor): Solve problem with long long
7811 bitfields, even on BYTES_BIG_ENDIAN machines (testcase 991118-1).
7813 Fri Nov 19 05:48:45 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
7815 * global.c (allocno): New structure and static variable.
7816 (allocno_reg): Remove, all references replaced by allocno.
7817 (allocno_size): Likewise.
7818 (hard_reg_conflicts): Likewise.
7819 (hard_reg_preferences): Likewise.
7820 (hard_reg_copy_preferences): Likewise.
7821 (hard_reg_full_preferences): Likewise.
7822 (regs_someone_prefers): Likewise.
7823 (allocno_calls_crossed): Likewise.
7824 (allocno_n_refs): Likewise.
7825 (allocno_live_length): Likewise.
7826 (find_reg): Rename ALLOCNO to NUM.
7828 * regclass.c (may_move_in_cost): Rename from may_move_cost, all
7830 (may_move_out_cost): New variable.
7831 (init_reg_sets_1): Initialize may_move_out_cost.
7832 (record_reg_classes): Use may_move_out_cost.
7834 * regclass.c (dump_regclass): New function.
7835 (regclass): New parameter DUMP, call DUMP_REGCLASS.
7836 * toplev.c (rest_of_compilation): Open lreg dump file before regclass,
7837 pass rtl_dump_file to regclass.
7838 * rtl.h (regclass): Update prototype.
7840 Fri Nov 19 06:32:19 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
7842 * i386.md (neg, not and abs patterns): Revmap to use
7843 ix86_expand_unary_operator and ix86_unary_operator_ok.
7844 (add?f and sub?f expanders): Force operand 1 to register.
7845 * i386.c (ix86_expand_unary_operator): Rewrite.
7846 (ix86_unary_operator_ok): Ensure that memory operands
7848 (ix86_binary_operator_ok): Do not allow operand 1 to
7849 come into memory and operand 0 not.
7850 (ix86_expand_binary_operator): Ensure that
7851 src1 is not non-matching memory.
7853 * i386.md (negs?2): Rewrite to expanders, new patterns and splitters
7854 to support integer registers and memory.
7855 (abss?2_integer): Likewise.
7857 * i386.h (enum reg_class): Add FLOAT_INT_REGS.
7858 (REG_CLASS_NAMES): Likewise.
7859 (REG_CLASS_CONTENTS): Define FLOAT_INT_REGS as union of FLOAT_REGS
7861 * i386.md (pushsf): Do not preferre FLOAT_REGS over GENERAL_REGS.
7862 (movsf): Likewise; unify 4th and 5th alternative.
7864 (movdf_1): Likewise; rename to movdf_integer.
7865 (pushxf): Likewise; rename to pushxf_integer; fix output template;
7866 remove redundant splitter.
7867 (movxf_1): Likewise; rename to movxf_integer; fix splitter's condition.
7868 (movdf_nointeger): New.
7869 (movxf_nointeger): New.
7870 (pushxf_nointeger): New.
7872 * i386.md (extend?f?f): Split to expander and pattern, refuse two
7873 memory operands in patterns.
7874 (fop*): Refuse two memory operands.
7876 * i386.md (ashrsi3_31): Allow cltd when optimizing for size even
7877 on !TARGET_USE_CLTD CPUs.
7879 Fri Nov 19 10:41:15 GMT 1999 Nathan Sidwell <nathan@acm.org>
7881 * extend.texi: Document C++ restricted pointers and references.
7883 1999-11-19 Bernd Schmidt <bernds@cygnus.co.uk>
7885 * cse.c (addr_affects_sp): No longer conditional on AUTO_INC_DEC.
7886 (invalidate_skipped_set): Call it unconditionally.
7887 (cse_set_around_loop): Likewise.
7889 Thu Nov 18 17:29:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
7891 * rtl.texi (mem): Add documentation for alias-set argument
7894 Fri Nov 18 13:39:22 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
7896 * i386.h (struct_processor_costs): New fields int_load, int_store,
7897 fp_move, fp_load and fp_store
7898 (REGISTER_MOVE_COST): Fix comment, calculate exactly the cost of
7900 (MEMORY_MOVE_COST): New macro.
7901 * i386.c (386_cost): Define new fields.
7902 (i486_cost): Likewise.
7903 (pentium_cost): Likewise.
7904 (pentiumpro_cost): Likewise.
7905 (k6_cost): Likewise.
7907 Fri Nov 19 11:11:55 1999 Greg McGary <gkm@gnu.org>
7908 Geoffrey Keating <geoffk@cygnus.com>
7910 * config/m68k/m68kelf.h: Suppress '/* within comment' warning.
7912 * config/m68k/m68k.h (MASK_PCREL): Don't use same value as
7915 * config/m68k/m68k.h (MASK_NO_STRICT_ALIGNMENT): New macro.
7916 (TARGET_STRICT_ALIGNMENT): New macro.
7917 (TARGET_SWITCHES): Add "strict-align" and "no-strict-align".
7918 (STRICT_ALIGNMENT): Depend on TARGET_STRICT_ALIGNMENT.
7919 * invoke.texi (M680x0 Options): Document -mstrict-align.
7921 Thu Nov 18 11:10:03 1999 Jan Hubicka <hubicka@freesoft.cz>
7922 Richard Henderson <rth@cygnus.com>
7924 * i386-protos.h (split_xf, ix86_split_movdi): Remove.
7925 (ix86_split_long_move): Declare.
7926 * i386.c (split_xf, ix86_split_movdi): Remove.
7927 (ix86_split_to_parts, ix86_split_long_move): New.
7928 * i386.md (dimode move splitters): Use ix86_split_long_move.
7929 (dfmode move splitters): Likewise.
7930 (xfmode move splitters): Likewise.
7931 (movsf_1): Allow F->r.
7932 (movdf_1, movxf_1): Allow F->ro.
7934 1999-11-17 Mark Mitchell <mark@codesourcery.com>
7936 * except.h (struct eh_entry): Add goto_entry_p.
7937 (eh_region_from_symbol): Remove prototype.
7938 * except.c (find_func_region_from_symbol): New function.
7939 (emit_cleanup_handler): Likewise.
7940 (eh_region_from_symbol): Make it static.
7941 (add_new_handler): Verify the argument.
7942 (find_func_region): Update comment.
7943 (expand_eh_region_end): Expand handlers here, rater than waiting
7944 until expand_leftover_cleanups or start_all_catch.
7945 (expand_leftover_cleanups): Don't expand here.
7946 (expand_start_all_catch): Or here.
7947 (expand_rethrow): Check the return value from find_func_region.
7948 * function.c (expand_function_end): Emit the catch_clauses.
7950 1999-11-18 Gavin Romig-Koch <gavin@cygnus.com>
7952 * integrate.c (expand_inline_function): Add necessary check for NULL.
7954 1999-11-18 Nick Clifton <nickc@cygnus.com>
7956 * toplev.c (main): Correctly detect an unrecognised option.
7958 * cppinit.c (cpp_handle_option): Do not claim to have consumed
7959 a -f option if it has not been recognised.
7961 Thu Nov 18 00:59:11 1999 Michael Gschwind <mikeg@alagoas.watson.ibm.com>
7963 * basic-block.h (update_life_extent): Remove trailing comma on
7964 enumeration type list.
7966 1999-11-18 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7968 * varasm.c (output_constructor) Solved problem with long long
7969 bitfields. Corrected calculating this_time and shift. Also
7970 corrected calculating mask when BITS_PER_UNIT == 32 (c4x).
7972 Wed Nov 17 23:46:14 1999 Jeffrey A Law (law@cygnus.com)
7974 * flow.c (split_edge): Take looping structure into account when
7975 determining where to put the new block note.
7977 Wed Nov 17 20:42:43 1999 Jeff Holcomb <jeffh@cygnus.com>
7979 * Makefile.in (ggc-none.o): Provide host specific version if
7982 Wed Nov 17 16:51:23 1999 Richard Henderson <rth@cygnus.com>
7984 * cse.c (delete_trivially_dead_insns): Identify no-op insns
7985 containing subregs too.
7987 Wed Nov 17 17:39:48 MST 1999 Diego Novillo <dnovillo@cygnus.com>
7989 * invoke.texi: Add documentation for -muninit-const-in-rodata.
7990 * config/mips/mips.h (MASK_UNINIT_CONST_IN_RODATA): Define.
7991 (TARGET_UNINIT_CONST_IN_RODATA): Define.
7992 (text_section): Add switches -munint-const-in-rodata and
7993 -mno-uninit-const-in-rodata.
7994 (ASM_OUTPUT_COMMON): Remove.
7995 (ASM_OUTPUT_ALIGNED_DECL_COMMON): Define. Check if uninitialized
7996 const objects should be placed in read-only data. Otherwise declare
7999 Wed Nov 17 16:38:32 1999 Richard Henderson <rth@cygnus.com>
8001 * jump.c (jump_optimize_1): Revert last change.
8003 Wed Nov 17 15:18:30 1999 Richard Henderson <rth@cygnus.com>
8005 * jump.c (jump_optimize_1): Don't try to duplicate the loop exit
8006 test if optimizing for size.
8008 1999-11-17 Mark Mitchell <mark@codesourcery.com>
8010 * Makefile.in (toplev.o): Depend on except.h.
8011 (dwarf2out.o,loop.o,flow.o,haifa-sched.o): Likewise.
8013 Mon Nov 15 22:45:39 CET 1999 Jan Hubicka <hubicka@freesoft.cz>
8015 * i386.md (divmodsi4): Rewrite to expander.
8016 (*divmodsi4_nocltd): New.
8017 (*divmodsi4_cltd): New.
8018 (divmodsi4 splitter): Handle the case when input comes in edx.
8019 (udivmodhi4): Do not use constraints in exander.
8020 (ashrsi3_31): Conditionize by TARGET_USE_CLTD.
8022 1999-11-17 Jason Merrill <jason@yorick.cygnus.com>
8024 * dwarf2out.c (push_decl_scope): Still use decl_scope_depth - 1
8025 for the common case.
8027 1999-11-16 Jakub Jelinek <jakub@redhat.com>
8029 * explow.c (hard_function_value): Add outgoing argument.
8030 * expr.h (hard_function_value): Declare it.
8031 * calls.c (expand_call, emit_library_call_value): Update callers.
8032 * function.c (aggregate_value_p): Ditto.
8033 (diddle_return_value): Must look at the outgoing registers
8034 on archs with register windows.
8036 Mon Nov 15 20:46:45 1999 Richard Henderson <rth@cygnus.com>
8038 * alpha.c (alpha_build_va_list): Use make_lang_type and
8039 initialize TYPE_NAME for the va_list record.
8041 * flow.c (calculate_global_regs_live): Zero bb->aux to begin.
8043 * ggc-common.c (ggc_print_statistics): Cast size_t to unsigned long
8045 * ggc.h (struct ggc_statistics): Rearrange elements for better
8046 packing on 64-bit hosts.
8047 * lcm.c (compute_laterin): Store a size_t not an int in bb->aux.
8048 (compute_nearerout): Likewise.
8050 Tue Nov 16 14:37:52 1999 Geoffrey Keating <geoffk@cygnus.com>
8052 * config/rs6000/rs6000.c (first_reg_to_save): Save
8053 PIC_OFFSET_TABLE_REGNUM when -fpic even though it is fixed.
8055 1999-11-15 Jason Merrill <jason@casey.cygnus.com>
8057 * dwarf2out.c (scope_die_for): Don't rely on the decl_scope_table
8058 notion of nesting to find the DIE for a type or function.
8059 DIEs can go in limbo even if we got a context_die.
8060 (push_decl_scope): Our context doesn't need to be in decl_scope_table.
8061 (gen_struct_or_union_type_die): Don't use TREE_PERMANENT to test
8063 (gen_decl_die): Ignore NAMESPACE_DECLs for now.
8064 (gen_type_die): Writing out the context doesn't cause member class
8065 template instantiations to be written out as well.
8067 Mon Nov 15 15:33:18 1999 Richard Henderson <rth@cygnus.com>
8069 * rs6000.h (ASM_OUTPUT_DEF): New.
8070 Based on proposed addition from David Edelsohn.
8072 1999-11-15 Robert Lipe <RobertLipe@usa.net>
8073 Bruce Korb <autogen@linuxbox.com>
8075 * fixinc/inclhack.def
8076 (AAB_svr4_replace_byteorder): added. Takes advantage of GCC features
8077 (unixware7_byteorder_fix): added. Removes conflicts for new defs
8079 (svr5_mach_defines): added. Like svr4_mach_defines, with new syntax
8080 (svr4_endian): enabled with SVR5
8081 (svr4_mkdev): simplified syntax and enabled with SVR5
8083 Sun Nov 14 18:49:37 1999 David O'Brien <obrien@FreeBSD.org>
8085 * configure.in: Handle libgcc2 threads support on FreeBSD platforms.
8086 * configure: Rebuilt.
8087 * config/t-freebsd-thread: New file.
8089 Sun Nov 14 23:11:05 1999 Jeffrey A Law (law@cygnus.com)
8091 * i386.c (ix86_decompose_address): Verify the base is a REG
8092 before trying to examine its register number.
8094 * basic-block.h: Remove all #defines and prototypes related to
8096 (free_bb_mem, compute_preds_succs): Remove prototype.
8097 * rtl.h (free_bb_mem): Remove prototype.
8098 * flow.c (alloc_int_list_node); Remove function.
8099 (add_inst_list_node, free_int_list, add_pred_succ): Likewise.
8100 (compute_preds_succs, free_bb_mem): Likewise.
8101 * gcse.c (gcse_main): Do not call free_bb_mem anymore.
8102 * toplev.c (rest_of_compilation): Likewise.
8103 * haifa-sched.c (build_control_flow): Use flow generated edge
8104 list to build the haifa specific edge list.
8105 (find_rgns): Use new CFG data structures instead of pred/succ lists.
8106 (schedule_insns): Do not build pred/succ lists anymore. Instead
8107 build the edge table.
8109 * basic-block.h (dump_bb_data): Remove declaration.
8110 * flow.c (dump_bb_data): Remove function.
8111 * sbitmap.c (sbitmap_intersect_of_predsucc): Delete function.
8112 (sbitmap_union_of_predsucc): Likewise.
8114 * gcse.c (delete_null_pointer_checks_1): Kill unused s_preds
8115 argument. All callers changed.
8116 (delete_null_pointer_checks_1): No longer need to compute the
8119 * gcse.c (pre_expr_reaches_here_p): Kill CHECK_PRE_COM argument.
8120 All callers changed.
8121 (pre_expr_reaches_here_p_work): Likewise.
8122 (pre_edge_insert): No longer call pre_expr_reaches_here_p.
8123 * lcm.c (compute_laterin): Fix initialization of LATER.
8124 (compute_nearerout): Similarly for NEARER.
8126 Sun Nov 14 12:41:57 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8128 * cse.c (set_nonvarying_address_components): Delete unused function.
8129 (refers_to_p): Likewise.
8131 Fri Nov 12 20:53:22 1999 Jeffrey A Law (law@cygnus.com)
8133 * function.c (diddle_return_value): Set REG_FUNCTION_VALUE_P as
8136 Sat Nov 13 16:20:09 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8138 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Wrap macro
8139 definition in do while (0).
8141 Fri Nov 12 16:26:25 1999 Jim Wilson <wilson@cygnus.com>
8143 * stmt.c (pushcase, pushcase_range): Partially revert Oct 28 change.
8145 Fri Nov 12 12:43:49 1999 Richard Henderson <rth@cygnus.com>
8147 * unroll.c (unroll_loop): Make temp an unsigned HOST_WIDE_INT.
8149 Fri Nov 12 15:14:19 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
8151 * i960.h (CAN_DEBUG_WITHOUT_FP): Don't define it.
8152 (FRAME_POINTER_REQUIRED): Don't worry about nonlocal goto.
8153 (ELIMINABLE_REGS, CAN_ELIMINATE, INITIAL_ELIMINATION_OFFSET): New.
8154 (INITIAL_FRAME_POINTER_OFFSET): Remove it.
8156 * i960.c (i960_function_prologue): Don't allocate space for g8-g11
8157 saved on the stack. Output more accurate stack frame statistics
8158 into assembler file.
8160 1999-11-12 11:47 -0800 Zack Weinberg <zack@bitmover.com>
8162 * genextract.c (record_insn_name): New function.
8163 (get_insn_name): No longer a stub.
8164 (main): Call record_insn_name for each insn. After each label
8165 written, print the insn name in a comment.
8167 Fri Nov 12 13:45:02 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8169 * output.h (const_section, init_section, fini_section): Add
8172 * alpha/elf.h (const_section): Delete declaration.
8174 * svr4.h (const_section): Likewise.
8176 Fri Nov 12 08:54:22 1999 Mark Mitchell <mark@codesourcery.com>
8178 * tree.h (SAVE_EXPR_PERSISTENT_P): New macro.
8179 * tree.c (array_type_nelts): Don't handle SAVE_EXPRs specially.
8180 (unsave_expr_now): Don't unsave SAVE_EXPR_PERSISTENT_P
8182 * stor-layout.c (variable_size): Set SAVE_EXPR_PERSISTENT_P on
8183 variable-sized array bounds.
8185 Fri Nov 12 08:04:45 1999 Catherine Moore <clm@cygnus.com>
8187 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Use
8190 Fri Nov 12 13:31:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8192 * config/arm/arm.h (LEGITIMIZE_RELOAD_ADDRESS): Treat QImode
8193 addresses the same way GO_IF_LEGITIMATE_INDEX does.
8195 Fri Nov 12 12:36:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8197 * cse.c (hash_arg_in_struct): Delete.
8198 (struct table_elt): Delete elt in_struct.
8199 (struct set): Delete elt src_in_struct.
8200 (merge_equiv_classes): Don't set either hash_arg_in_struct or
8201 the corresponding in_struct elts.
8202 (canon_hash): Likewise.
8203 (safe_hash): Likewise.
8204 (find_best_addr): Likewise.
8205 (record_jump_cond): Likewise.
8206 (cse_insn): Likewise.
8208 Thu Nov 11 19:45:24 1999 Jim Wilson <wilson@cygnus.com>
8210 * loop.c (invariant_p, case MEM): Put MEM_VOLATILE_P check back.
8212 * dbxout.c (dbxout_type, case INTEGER_TYPE): Handle too large
8215 Thu Nov 11 18:54:24 1999 Jeffrey A Law (law@cygnus.com)
8217 * function.c (diddle_return_value): Put back check that the DECL_RTL
8218 for the function is a register.
8220 * function.c (diddle_return_value): Use hard_function_value to
8221 get an rtx suitable for use in the USE/CLOBBER insn.
8223 * global.c (global_conflicts): Update comments.
8224 (record_conflicts): No need to record conflicts between pseudos here.
8226 1999-11-11 Bruce Korb <autogen@linuxbox.com>
8228 * fixinc/fixincl.c: Added verbose levels for status messages
8230 Thu Nov 11 13:23:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8232 * jump.c (jump_optimize_1): Avoid passing an rtx that is not an
8233 operand as argument to expand_and or expand_binop.
8235 Thu Nov 11 02:21:16 1999 Rodney Brown <RodneyBrown@pmsc.com>
8237 * xcoffout.c (xcoffout_source_file): Change ggc_add_root to
8238 gcc_add_string_root.
8240 Wed Nov 10 21:24:19 1999 Jason Eckhardt <jle@cygnus.com>
8242 * config/pa/pa.h (MASK_RETURN_ADDR): Change 0xfffffffc to -4.
8244 Wed Nov 10 15:56:16 1999 Jeffrey A Law (law@cygnus.com)
8246 * flow.c (compute_flow_dominators): Initially put all blocks on
8248 * lcm.c (compute_antinout_edge, compute_available): Similarly.
8249 * gcse.c (compute_cprop_avinout): Remove.
8250 (compute_cprop_data): Use compute_available.
8251 (delete_null_pointer_checks_1): Use compute_available.
8253 * basic-block.h (compute_available): Returns a void now.
8254 * gcse.c (one_classic_gcse_pass): Do not expect compute_available
8255 to return a value anymore.
8256 * lcm.c (compute_available, compute_antinout_edge): Revamp to use
8257 worklists. Fix boundary cases. Compute maximal solutions.
8258 (compute_laterin, compute_nearerout): Similarly.
8260 * dwarf2out.c (add_AT_location_description): Allow
8261 (mem (plus (pseudo) (...)) too.
8263 Wed Nov 10 10:52:42 1999 Tom Tromey <tromey@cygnus.com>
8265 * gcc.c (do_spec_1): Support text between `%u' and `%O'.
8267 Wed Nov 10 12:43:21 1999 Philippe De Muyter <phdm@macqel.be>
8268 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8270 * cppinit.c: Test `GCC_VERSION', not `HAVE_GCC_VERSION'.
8272 * gansidecl.h: Likewise.
8278 * toplev.h: Likewise.
8284 * varray.c: Likewise.
8286 * varray.h: Likewise.
8288 Wed Nov 10 10:57:22 1999 Clinton Popetz <cpopetz@cygnus.com>
8290 * gcov.c (struct arcdata): Add hits and total, remove prob.
8291 (output_branch_counts): New.
8292 (process_args): Set output_branch_counts if -c.
8293 (calculate_branch_probs): Store hits and total instead of
8295 (output_data): Emit counts if output_branch_counts is true.
8296 * gcov.texi (Invoking Gcov): Document -c switch..
8298 Wed Nov 10 01:10:41 1999 Philippe De Muyter <phdm@macqel.be>
8300 * genoutput.c (output_insn_data): Cast `INSN_OUTPUT_FORMAT_MULTI' and
8301 `INSN_OUTPUT_FORMAT_FUNCTION' to `PTR'-type.
8303 Wed Nov 10 00:51:41 1999 Hans-Peter Nilsson <hp@axis.se>
8305 * invoke.texi (C Dialect Options): Add missing builtins from
8307 * extend.texi (Other Builtins): Copy to this list.
8309 Wed Nov 10 04:58:09 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8311 * Makefile.in (recog.o): Use BASIC_BLOCK_H macro.
8312 (print-rtl.o, $(HOST_PREFIX_1)print-rtl.o): Likewise. Remove
8315 Wed Nov 10 00:02:53 1999 Jeffrey A Law (law@cygnus.com)
8317 * flow.c (compute_flow_dominators): No longer treat basic block 0
8318 or (n_basic_blocks - 1) specially. Clear the AUX field before
8319 starting computation of doms/pdoms. Fix initial state for pdoms.
8321 Wed Nov 10 03:58:08 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8323 * Makefile.in ($(HOST_PREFIX_1)rtl.o): Update dependencies to
8324 match rtl.o's: added ggc.h and toplev.h
8325 ($(HOST_PREFIX_1)print-rtl.o): Likewise: added system.h.
8326 ($(HOST_PREFIX_1)rtlanal.o): Likewise: added system.h.
8327 ($(HOST_PREFIX_1)obstack.o): Likewise: added $(CONFIG_H).
8329 Tue Nov 9 10:30:08 1999 Tom Tromey <tromey@cygnus.com>
8331 * config/i386/xm-djgpp.h (HAVE_DOS_BASED_FILE_SYSTEM): Renamed
8332 from HAVE_DOS_BASED_FILESYSTEM.
8333 * gcc.c (find_a_file): Use HAVE_DOS_BASED_FILE_SYSTEM, not
8334 HAVE_DOS_BASED_FILESYSTEM.
8336 (split_directories): Only special-case DOS file names if
8337 HAVE_DOS_BASED_FILE_SYSTEM is defined. Use IS_DIR_SEPARATOR
8338 instead of explicit tests. Conditionalize on !VMS.
8339 (make_relative_prefix): Use IS_DIR_SEPARATOR instead of explicit
8340 tests. Conditionalize on !VMS.
8341 (process_command): Only use make_relative_prefix if !VMS.
8342 (free_split_directories): Conditionalize on !VMS.
8343 (DIR_UP): Conditionalize on !VMS.
8345 Wed Jun 9 16:57:11 1999 Mumit Khan <khan@xraylith.wisc.edu>
8347 * gcc.c (STANDARD_BINDIR_PREFIX): Provide default.
8349 Fri Feb 5 14:22:01 1999 Mumit Khan <khan@xraylith.wisc.edu>
8351 * gcc.c (make_relative_prefix): Handle the HAVE_EXECUTABLE_SUFFIX
8354 Mon Nov 8 14:16:57 1999 Michael Meissner <meissner@cygnus.com>
8356 * invoke.texi (Environment Variables): Document relative path
8358 * gcc.c (DIR_UP): If not defined, define as "..".
8359 (standard_bindir_prefix): New static, holds target location to
8361 (split_directories): New function to split a filename into
8362 component directories.
8363 (free_split_directories): New function, release memory allocated
8364 by split_directories.
8365 (make_relative_prefix): New function, make a relative pathname if
8366 the compiler is not in the expected location.
8367 (process_command): If GCC_EXEC_PREFIX was not specified, see if we
8368 can figure out an appropriate prefix from argv[0].
8369 * Makefile.in (DRIVER_DEFINES): Use unlibsubdir in definition of
8370 STANDARD_STARTFILE_PREFIX and TOOLDIR_BASE_PREFIX. Define
8371 STANDARD_BINDIR_PREFIX.
8373 Wed Nov 10 11:47:54 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8375 * config/c4x/c4x-protos.h: New file. Prototypes for functions defined
8377 * config/c4x/c4x.h: Moved prototypes to c4x.h.
8378 * config/c4x/c4x.c (c4x_preferred_reload_class, c4x_limit_reload_class,
8379 c4x_secondary_memory_needed) Delete.
8380 (fp_zero_operand): Add mode argument.
8382 Thu Nov 4 15:52:35 1999 Andrew Haley <aph@cygnus.com>
8384 * reload1.c (reload_reg_free_for_value_p): Don't use a register
8385 that is in reload_reg_used.
8387 Tue Nov 9 16:43:00 1999 Nick Clifton <nickc@cygnus.com>
8389 * config/arm/arm-protos.h: New file: Prototypes for functions
8390 defined in arm.c and pe.c.
8391 * config/arm/arm.h: Fix compile time warnings.
8392 * config/arm/arm.c: Fix compile time warnings.
8393 * config/arm/pe.h: Fix compile time warnings.
8394 * config/arm/aout.h: Fix compile time warnings.
8396 Tue Nov 9 14:55:44 1999 Nick Clifton <nickc@cygnus.com>
8398 * config/m32r/m32r-protos.h: New file: Prototypes for functions
8401 * config/m32r/m32r.h: Move prototypes to m32r-protos.h
8402 Add support for subtargets.
8403 Add prototypes for new predicates.
8404 Add scheduling macros.
8406 * config/m32r/m32r.c: Fix compile time warnings.
8407 (int8_operand): New predicate function.
8408 (reg_or_cmp_int16_operand): New predicate function.
8409 (extend_operand): New predicate function.
8410 (m32r_adjust_code): New scheduling function.
8411 (m32r_adjust_priorty): New scheduling function.
8412 (m32r_sched_init): New scheduling function.
8413 (m32r_sched_reorder): New scheduling function.
8414 (m32r_sched_variable_issue): New scheduling function.
8415 (direct_return): New codegen function.
8416 (m32r_not_same_reg): New rtl testsing function.
8418 * config/m32r/m32r.md: Fix compile time warnings.
8419 Add support for pre decrement and post increment memory
8424 Mon Nov 8 22:20:13 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8426 * global.c (EXECUTE_IF_CONFLICT): Don't define.
8427 (prune_preferences): Use EXECUTE_IF_SET_IN_ALLOCNO_SET instead.
8428 (find_reg): Likewise.
8430 Mon Nov 8 13:16:46 1999 Jason Eckhardt <jle@cygnus.com>
8432 * config/pa/pa.md (fmpynfadd,{sgl,dbl} insns): Use %fr0 rather than 0
8433 to avoid assembler errors.
8435 Mon Nov 8 15:38:41 1999 Nick Clifton <nickc@cygnus.com>
8437 * config/v850/v850-protos.h: New file: Prototypes for functions
8439 * config/v850/v850.h: Move prototypes to v850-protos.h
8440 * config/v850/v850.c: Move prototypes to v850-protos.h
8441 * config/v850/v850.md: Fix compile time warnings.
8443 * config/fr30/fr30-protos.h: New file: Prototypes for functions
8445 * config/fr30/fr30.h: Move prototypes to fr30-protos.h
8446 * config/fr30/fr30.c: Fix compile time warnings.
8447 * config/fr30/fr30.md: Fix compile time warnings.
8449 Mon Nov 8 07:25:37 1999 Mark Mitchell <mark@codesourcery.com>
8451 * tree.h (get_containing_scope): Declare it.
8452 * tree.c (get_containing_scope): New fucntion.
8453 (decl_function_context): Use it.
8454 * toplev.c (rest_of_compilation): Use get_containing_scope.
8456 aMon Nov 8 03:03:07 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8458 * Makefile.in (rtl.o): Depend on toplev.h.
8460 Sun Nov 7 20:55:14 1999 Mark Mitchell <mark@codesourcery.com>
8462 * cse.c (delete_trivially_dead_insns): Replace alloca with
8464 * except.c (update_rethrow_references): Likewise.
8465 (init_eh_nesting_info): Likewise.
8466 * function.c (identify_blocks): Likewise.
8467 * gcse.c (dump_hash_table): Likewise.
8468 * graph.c (print_rtl_graph_with_bb): Likewise.
8469 * loop.c (combine_movables): Likewise.
8470 (move_movables): Likewise.
8471 (count_loop_regs_set): Likewise.
8472 (strength_reduce): Likewise.
8473 * profile.c (compute_branch_probabilities): New function, split
8475 (branch_prob): Here. Replace alloca with xmalloc/xcalloc.
8476 * regclass.c (regclass): Likewise.
8477 * regmove.c (regmove_optimize): Likewise.
8478 * toplev.c (compile_file): Likewise.
8479 (main): Don't mess with the stack rlimit.
8481 Sun Nov 7 19:41:17 1999 Catherine Moore <clm@cygnus.com>
8483 * config/elfos.h (ASM_DECLARE_FUNCTION_NAME): Conditionally define.
8484 (ASM_DECLARE_FUNCTION_SIZE): Conditionally define.
8486 Sun Nov 7 10:23:28 1999 Mark P. Mitchell <mark@codesourcery.com>
8488 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns.
8490 Sun Nov 7 02:58:48 1999 Jeffrey A Law (law@cygnus.com)
8492 * global.c (EXECUTE_IF_CONFLICT): Undo Robert's change.
8493 (EXECUTE_IF_SET_IN_ALLOCNO_SET): Put curleys around CODE in
8496 Sat Nov 6 23:48:30 1999 Robert Lipe (robertlipe@usa.net)
8498 * global.c (EXECUTE_IF_CONFLICT): Correct quoting typo.
8500 Sat Nov 6 17:34:39 1999 Jeffrey A Law (law@cygnus.com)
8502 * gcse.c (post_dominators): Kill.
8503 (alloc_code_hoist_mem, free_code_hoist_mem); Kill post_dominators.
8504 (compute_code_hoist_data): Use compute_flow_dominators. Do not
8505 pass in a pdom array since we do not need pdoms.
8506 * haifa-sched.c (schedule_insns): Similarly.
8507 * flow.c (compute_dominators): Remove dead function.
8508 (compute_flow_dominators): Do not compute doms or pdoms if the
8509 caller does not request them. Split up loop to build doms and
8510 pdoms. Use a worklist to compute doms and pdoms.
8511 * basic-block.h (compute_dominators): Remove prototype.
8513 Sat Nov 6 11:38:39 1999 Richard Henderson <rth@cygnus.com>
8515 * haifa-sched.c (struct haifa_insn_data, h_i_d): New.
8516 (insn_luid, insn_priority, insn_costs, insn_units): Remove.
8517 (insn_reg_weight, insn_depend, insn_dep_count): Remove.
8518 (insn_blockage, insn_ref_count, line_note, insn_tick): Remove.
8519 (cant_move, fed_by_spec_load, is_load_insn): Remove.
8520 (schedule_region): Remove unused variable.
8521 (schedule_insns): Allocate h_i_d, and not all the separate arrays.
8523 Sat Nov 6 10:00:34 1999 Mark Mitchell <mark@codesourcery.com>
8525 * local-alloc.c (local_alloc): Use xmalloc/xcalloc, not alloca.
8526 (update_equiv_regs): Likewise.
8527 (block_alloc): Likewise.
8528 * reg-stack.c (reg_to_stack): Likewise.
8529 (convert_regs_2): Likewise.
8530 * reload1.c (reload_as_needed): Likewise.
8532 Sat Nov 6 09:57:59 1999 Mark Mitchell <mark@codesourcery.com>
8534 * Makefile.in (dbxout.o): Depend on ggc.h.
8535 (dwarf2out.o): Likewise.
8536 (xcoffout.o): Likewise.
8537 * dbxout.c: Include ggc.h.
8538 (dbxout_init): Register lastfile as a root.
8539 * dwarf2out.c: Include ggc.h.
8540 (dwarf2out_line): Register lastfile as a root.
8541 * xcoffout.c: Include ggc.h.
8542 (xcoffout_source_line): Register xcoff_lastfile as a root.
8544 Sat Nov 6 09:52:09 1999 Richard Henderson <rth@cygnus.com>
8546 * i386.md (movdf_1, movxf_1): Earlyclobber general regs destination.
8548 Sat Nov 6 07:48:59 1999 Catherine Moore <clm@cygnus.com>
8550 * config/svr4.h (ASM_DECLARE_FUNCTION): Check if already
8552 (ASM_DECLARE_FUNCTION_SIZE): Likewise.
8554 Fri Nov 5 18:33:39 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8556 * global.c (EXECUTE_IF_SET_IN_ALLOCNO_SET): New macro.
8557 (EXECUTE_IF_CONFLICT): Likewise.
8558 (ALLOCNO_LIVE_P): Avoid signed division.
8559 (SET_ALLOCNO_LIVE, CLEAR_ALLOCNO_LIVE): Likewise.
8560 (prune_preferences, find_reg): Use EXECUTE_IF_CONFLICT.
8561 (record_one_conflict): Use EXECUTE_IF_SET_IN_ALLOCNO_SET.
8563 Fri Nov 5 12:04:02 1999 Richard Henderson <rth@cygnus.com>
8565 * haifa-sched.c (schedule_block): Don't crash if there's no
8566 next insn for an interblock movement.
8567 (add_branch_dependences): Don't allow clobber insns to move either.
8569 Fri Nov 5 10:18:11 1999 Richard Henderson <rth@cygnus.com>
8571 * i386.c (split_xf): New.
8572 * i386-protos.h: Declare it.
8573 * i386.md (movxf_1): Add general regs alternatives.
8574 (movxf_1+1): New splitter for same.
8576 Fri Nov 5 12:05:52 1999 Nick Clifton <nickc@cygnus.com>
8578 * function.c (purge_addressof_1): Add missing return values.
8580 Fri Nov 5 10:07:25 1999 Nick Clifton <nickc@cygnus.com>
8582 * function.c (is_addressof): New function. Returns true if
8583 the given piece of RTL is an ADDRESSOF.
8584 (purge_addressof_1): Make boolean. Return false if the
8585 ADDRESSOFs could not be purged.
8586 (purge_addressof): If ADDRESSOFs could not be purged from the
8587 notes attached to an insn, remove the offending note(s),
8588 unless they are attached to a libcall.
8590 1999-11-05 Andreas Jaeger <aj@suse.de>
8592 * genoutput.c (null_operand =): Initialize all fields.
8594 * errors.h: Add extern to prototypes.
8596 Fri Nov 5 01:44:09 1999 Jeffrey A Law (law@cygnus.com)
8598 * configure.in (m68k-next-nextstep4): Handle Openstep 4.2.
8599 * configure: Rebuilt.
8601 Fri Nov 5 01:24:37 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
8603 * global.c (CONFLICTP, SET_CONFLICT): Avoid signed division.
8604 (mirror_conflicts): New function.
8605 (global_alloc): Call it.
8606 (expand_preferences): Remove redundant CONFLICTP test.
8607 (find_reg, dump_conflicts): Likewise.
8608 (prune_preferences): Process conflicts one word at a time.
8610 Fri Nov 5 01:05:21 1999 Richard Henderson <rth@cygnus.com>
8612 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_BITMAP
8613 instead of an explicit loop.
8615 Thu Nov 4 23:07:14 1999 Jim Wilson <wilson@cygnus.com>
8617 * cse.c (cse_insn): Revert Oct 31 change. When computing src_elt,
8618 if REG_RETVAL check succeeds, then put classp in src_elt.
8620 Thu Nov 4 23:48:14 1999 Jeffrey A Law (law@cygnus.com)
8622 * function.c (pad_to_arg_alignment): Only update argument_pad
8623 if the argument's alignment is greater than STACK_BOUNDARY.
8625 Thu Nov 4 16:44:53 1999 Richard Henderson <rth@cygnus.com>
8627 * bitmap.h (BITMAP_XFREE): New.
8628 * flow.c (life_analysis): Use it.
8629 (life_analysis_1): Free blocks.
8631 * combine.c (undo_commit): New.
8632 (try_combine): Use it. Don't zap undobuf.undos.
8633 (combine_instructions): Don't zap undobuf.undos; free the
8636 * local-alloc.c (local_alloc): Free qty_phys_num_sugg.
8638 * stmt.c (cost_table_): New.
8639 (estimate_case_costs): Use it instead of xmalloc.
8641 * toplev.c (compile_file): Reuse dumpname memory instead
8644 Thu Nov 4 16:36:44 1999 Richard Henderson <rth@cygnus.com>
8646 * reg-stack.c (convert_regs_1): Initialize target_stack->top
8647 after verifying an EH edge.
8649 * haifa-sched.c (init_rgn_data_dependences): Correctly
8650 size bb_pending_lists_length when zeroing.
8652 Thu Nov 4 16:36:36 1999 Richard Henderson <rth@cygnus.com>
8654 * function.c (diddle_return_value): New.
8655 (expand_function_end): Use it.
8656 * stmt.c (expand_null_return): Likewise.
8657 (expand_value_return): Likewise.
8659 * reg-stack.c (subst_stack_regs_pat): Handle clobbers at top-level.
8661 * reload1.c (reload): Don't remove return value clobbers.
8663 Thu Nov 4 13:33:46 1999 Richard Henderson <rth@cygnus.com>
8665 * rtl.c (read_rtx): Use fatal_with_file_and_line not fatal.
8667 Thu Nov 4 12:49:52 1999 Richard Henderson <rth@cygnus.com>
8669 * cse.c (cse_main): Use xmalloc, not alloca.
8670 (cse_basic_block): Likewise.
8671 * local-alloc.c (local_alloc): Likewise.
8673 Thu Nov 4 14:22:12 1999 David Billinghurst <David.Billinghurst@riotinto.com.au>
8674 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8676 * rtl.c: Include toplev.h.
8677 (fatal): Remove declaration.
8679 Thu Nov 4 06:39:47 1999 Jeffrey A Law (law@cygnus.com)
8681 * haifa-sched.c (schedule_block): Fix thinko.
8683 1999-11-03 James McKelvey <mckelvey@fafnir.com>
8685 * fixinc/fixincl.c(create_file): Allow for systems that do not have
8686 S_IR* defined values
8688 1999-11-03 Philippe De Muyter <phdm@macqel.be>
8690 * fixlib.c (load_file_data): Do not call `realloc' with a NULL pointer;
8691 call `malloc' instead.
8693 Wed Nov 3 23:05:14 1999 Mark Mitchell <mark@codesourcery.com>
8695 * flags.h (flag_renumber_insns): Declare.
8696 * emit-rtl.c (renumber_insns): Check flag_renumber_insns. Print
8698 * rtl.h (renumber_insns): Change prototype.
8699 * toplev.c (flag_renumber_insns): Define.
8700 (rest_of_compilation): Pass rtl_dump_file to flag_renumber_insns.
8702 Wed Nov 3 15:11:27 1999 David S. Miller <davem@redhat.com>
8704 * config/sparc/sparc.md: Remove insn type fpsqrt, add fpsqrts
8705 and fpsqrtd. Use them and create fdiv function unit to more
8706 accurately represent fpu sqrt pipeline semantics on UltraSparc.
8707 * config/sparc/sparc.c: Account for fpsqrt{s,d} changes.
8709 Wed Nov 3 15:11:27 1999 Matteo Frigo <athena@fftw.org>
8711 * config/sparc/sparc.md: Adjust FADD/FMUL result latencies to
8713 * config/sparc/sparc.c (ultra_schedule_insn): Insert launched
8714 insn into ready list, do not use just a raw swap.
8716 Wed Nov 3 14:51:59 1999 Mark P. Mitchell <mark@codesourcery.com>
8718 * rtl.h (renumber_insns): New function.
8719 (remove_unnecessary_notes): Likewise.
8720 * emit-rtl.c (renumber_insns): Define.
8721 (remove_unncessary_notes): Likewise.
8722 * toplev.c (rest_of_compilation): Remove dead code.
8723 Use renumber_insns and remove_unncessary_notes.
8725 * gcse.c (struct null_pointer_info): New type.
8726 (get_bitmap_width): New function.
8727 (current_block): Remove.
8728 (nonnull_local): Likewise.
8729 (nonnull_killed): Likewise.
8730 (invalidate_nonnull_info): Take a null_pointer_info as input.
8731 (delete_null_pointer_checks_1): New function.
8732 (delete_null_pointer_checks): Use it.
8734 * haifa-sched.c (find_rgns): Replace uses of alloca with xmalloc.
8735 (split_edges): Likewise.
8736 (schedule_block): Likewise.
8737 (compute_block_backward_dependencies): Likewise.
8738 (schedule_region): Likewise.
8739 (schedule_insns): Likewise.
8741 Wed Nov 3 15:40:23 1999 Catherine Moore <clm@cygnus.com>
8743 * defaults.h (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Provide default.
8744 * emit-rtl.c (gen_label_rtx): Support LABEL_ALTERNATE_NAME.
8745 * final.c (final_scan_insn): Emit LABEL_ALTERNATE_NAME.
8746 * ggc-common.c (ggc_mark_rtx_children): Mark LABEL_ALTERNATE_NAME.
8747 * jump.c (delete_unreferenced_labels): Don't delete if
8748 LABEL_ALTERNATE_NAME is set.
8749 * print-rtl.c (print_rtx): Dump alternate name.
8750 * rtl.def (CODE_LABEL): Change format to "iuuis00s".
8751 * rtl.h (LABEL_ALTERNATE_NAME): Define.
8752 * rtl.texi (LABEL_ALTERNATE_NAME): Document.
8753 * tm.texi (ASM_OUTPUT_ALTERNATE_LABEL_NAME): Document.
8755 Wed Nov 3 15:39:19 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8757 * fix-header.c (recognized_extern, recognized_function): Constify
8760 * lcm.c (compute_laterin): Remove unused variable `temp_bitmap'.
8761 (pre_edge_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
8762 (compute_available): Remove unused variable `last'.
8763 (compute_nearerout): Remove unused variable `temp_bitmap'.
8764 (pre_edge_rev_lcm): Mark parameter `file' with ATTRIBUTE_UNUSED.
8765 Remove unused variable `x'.
8767 * scan.h (recognized_function, recognized_extern): Constify a
8770 * simplify-rtx.c (simplify_rtx): Remove unused variable `new'.
8772 Wed Nov 3 10:40:53 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8774 * varasm.c (decode_rtx_const): Use XSTR to access the string
8777 Wed Nov 3 10:10:58 1999 Richard Henderson <rth@cygnus.com>
8779 * c-decl.c (duplicate_decls): Copy DECL_MODE too.
8781 Wed Nov 3 12:12:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8783 * reload1.c (eliminate_regs_in_insn): If copying insn, also copy notes.
8785 Wed Nov 3 03:26:28 1999 Jeffrey A Law (law@cygnus.com)
8787 * pa.c (ireg_operand): New function.
8788 * pa.h (PREDICATE_CODES): Handle ireg_operand.
8789 * pa.md (parallel_addb, parallel_movb): Use ireg_operand.
8790 Fix out of date comment.
8792 * pa.md (negdi2): Turn into expander + anonymous pattern.
8794 * reload.c (find_reloads): Fix typos in recent change.
8796 * dwarf2out.c: Do not include ctype.h.
8798 Tue Nov 2 21:53:44 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8800 * regclass.c (record_reg_classes): Always use may_move_cost when
8801 seeing how operand fits with various register classes.
8803 Tue Nov 2 15:38:17 1999 Richard Henderson <rth@cygnus.com>
8805 * resource.c: Revert Oct 26 20:42 and Oct 27 00:56 changes.
8806 * toplev.c: Revert Nov 1 13:22 change.
8808 Tue Nov 2 14:21:37 1999 Jason Eckhardt <jle@cygnus.com>
8810 * config/pa/pa.md (height reduction patterns): Add checks for
8811 overlapping operands to avoid semantic-destroying splits for
8812 height reduction patterns.
8814 Tue Nov 2 15:27:31 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8816 * configure.in (m68k-hp-hpux*, xm_alloca.h): The underscore should
8817 have been an hyphen, fixed.
8818 * configure: Rebuilt.
8820 Tue Nov 2 17:04:36 1999 Nick Clifton <nickc@cygnus.com>
8822 * config/arm/tpe.h: Add prototypes for exported functions.
8823 * config/arm/pe.c: Fix compile time warnings.
8824 * config/arm/semi.h: Fix compile time warnings.
8825 * config/arm/arm.c: Fix compile time warnings.
8826 * config/arm/arm.h: Fix compile time warnings.
8827 * config/arm/arm.md: Fix compile time warnings.
8828 * config/arm/thumb.c: Fix compile time warnings.
8829 * config/arm/thumb.h: Fix compile time warnings.
8830 * config/arm/thumb.md: Fix compile time warnings.
8832 Tue Nov 2 04:10:24 1999 Jan Hubicka <hubicka@freesoft.cz>
8834 * jump.c (jump_optimize_1): Swap the incscc and the conditional mode
8837 * unroll.c (unroll_loop): Remove LOOP notes when loop is
8838 completely unrolled.
8840 Tue Nov 2 16:57:22 1999 Bernd Schmidt <bernds@cygnus.co.uk>
8842 * cse.c (simplify_plus_minus, check_fold_const): Delete declarations.
8844 Tue Nov 2 09:43:00 1999 Catherine Moore <clm@cygnus.com>
8846 * Makefile.in (genattrtab): Don't use (HOST_RTLANAL).
8847 * rtl.h (rtx_equal_p): Move prototype.
8848 * rtl.c (rtx_equal_function_value_matters): Move from
8850 (rtx_equal_p): Likewise.
8851 * rtlanal.c (rtx_equal_function_value_matters): Delete.
8852 (rtx_equal_p): Likewise.
8854 Mon Nov 1 23:21:17 1999 Jason Merrill <jason@yorick.cygnus.com>
8856 * libgcc2.c (__do_global_dtors): Only do EH frame stuff if
8859 Mon Nov 1 23:37:38 1999 Jeffrey A Law (law@cygnus.com)
8861 * gcc.1 (PA options): Remove obsolete -mshared-libs options.
8863 * pa.h (ADDR_VEC_ALIGN): Define.
8865 * jump.c (jump_optimize_1): Also move LOOP_VTOP and LOOP_CONT
8866 notes when presented with "if (foo) break; end_of_loop" and
8867 the break sequence gets moved out of the loop.
8869 * unroll.c (unroll_loop): Allocate memory for MAP using xcalloc.
8870 Remove explicit zero initializations of entries within MAP.
8872 Mon Nov 1 18:09:14 1999 Richard Henderson <rth@cygnus.com>
8874 * reg-stack.c (convert_regs_1): Handle EH edges specially.
8876 Mon Nov 1 15:41:01 1999 Mark P. Mitchell <mark@codesourcery.com>
8878 * bitmap.h (BITMAP_XMALLOC): New macro.
8879 * flow.c (CLEAN_ALLOCA): Remove.
8880 (delete_unreachable_blocks): Use xmalloc/xcalloc instead of alloca.
8881 (life_analysis): Likewise.
8882 (update_life_info): Don't use CLEAN_ALLOCA.
8883 (life_analysis_1): Use xmalloc/xcalloc instead of alloca.
8884 (calculate_global_regs_live): Likewise.
8885 (print_rtl_with_bb): Likewise.
8886 (verify_flow_info): Likewise.
8887 * global.c (global_alloc): Likewise.
8888 (global_conflicts): Likewise.
8889 * integrate.c (save_for_inline_nocopy): Likewise.
8890 (expand_inline_function): Likewise.
8891 * jump.c (jump_optimize_1): Likewise.
8892 (duplicate_loop_exit_test): Likewise.
8893 (thread_jumps): Likewise.
8894 * loop.c (loop_optimize): Likewise.
8895 (combine_givs): Likewise.
8896 (recombine_givs): Likewise.
8897 * reorg.c (dbr_schedule): Likewise.
8898 * unroll.c (unroll_loop): Likewise.
8900 * combine.c (combine_instructions): Use xmalloc instead of alloca.
8902 Mon Nov 1 13:22:30 1999 Richard Henderson <rth@cygnus.com>
8904 * toplev.c (rest_of_compilation): Don't optimize the CFG
8905 when rebuilding, just before dbr.
8907 Mon Nov 1 14:35:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8909 * output.h (assemble_end_function, assemble_destructor,
8910 assemble_constructor, assemble_gc_entry, assemble_global,
8911 assemble_label, output_constant_pool) Constify a char*.
8913 * varasm.c (assemble_destructor, assemble_constructor,
8914 assemble_gc_entry, assemble_end_function, assemble_global,
8915 assemble_label, output_constant_pool): Likewise.
8917 Mon Nov 1 14:22:51 1999 Nick Clifton <nickc@cygnus.com>
8919 * config/arm/thumb.c (thumb_expand_prologue): Add comments
8920 explaining what is goin on in this function.
8922 Mon Nov 1 08:03:15 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8924 * regclass.c (record_reg_classes): In matching case, recompute
8925 costs since the direction of movement is different.
8927 Sun Oct 31 21:59:34 MST 1999 Diego Novillo <dnovillo@cygnus.com>
8929 * resource.c (mark_target_live_regs): For unconditional branches,
8930 the resources found at the branch target should be added to the
8931 resources found so far, not intersected.
8933 Sun Oct 31 15:48:49 1999 Philippe De Muyter <phdm@macqel.be>
8935 * fixinc/fixtests.c, fixinc/fixfixes.c : Keep `#' in first column for
8937 * fixinc/fixincl.c (fcntl.h) : Do not include this file twice.
8938 (sys/mman.h): Include this file only if #HAVE_MMAP.
8939 (run_compiles): Initialize `esac_fmt' with one old KR string, not
8940 with automatically concatenated ANSI strings.
8942 Sun Oct 31 23:57:07 1999 Mark Mitchell <mark@codesourcery.com>
8944 * ggc-page.c (struct page_entry): Remove save_num_free_objects.
8945 (DIV_ROUND_UP): Robustify.
8946 (ggc_recalculate_in_use_p): New function.
8947 (release_pages): Don't inline it.
8948 (ggc_alloc_obj): Don't refuse to allocate objects on pages for
8950 (ggc_pop_context): Use ggc_recalculate_in_use_p.
8951 (clear_marks): Always save in_use_p.
8952 (sweep_pages): Use ggc_recalculate_in_use_p.
8953 (ggc_page_print_statistics): Avoid signed/unsigned comparisons.
8954 Release pages before counting statistics.
8956 Sun Oct 31 23:42:37 1999 Mark Mitchell <mark@codesourcery.com>
8958 * toplev.c (rest_of_compilation): Fix thinko in this change:
8960 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
8962 (rest_of_compilation): If inside an inlined external function,
8963 pretend we are just being declared.
8965 Sun Oct 31 23:03:25 1999 Jeffrey A Law (law@cygnus.com)
8967 * flow.c (calculate_global_regs_live): Fix thinko.
8969 * integrate.c (expand_inline_function): Fix bugs in previous
8970 change from Oct 28, 1999.
8972 Sun Oct 31 20:27:45 1999 Mark Mitchell <mark@codesourcery.com>
8974 * stmt.c (expand_value_return): Fix typo in this change:
8976 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8977 (expand_value_return): Correctly convert VAL when promoting function
8978 return; support RETURN_REG being a PARALLEL.
8980 Sun Oct 31 20:25:42 1999 Mark P. Mitchell <mark@codesourcery.com>
8982 * expr.c (readonly_fields_p): Ignore everything except FIELD_DECLs.
8984 Sun Oct 31 20:42:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8986 * hard-reg-set.h (reg_names): Constify a char*.
8988 * regclass.c (reg_names): Likewise.
8990 * regs.h (reg_names): Likewise
8992 * a29k/a29k.c (reg_names): Delete declaration.
8994 * a29k/a29k.h (CONDITIONAL_REGISTER_USAGE): Constify a char*.
8996 * arc/arc.c (arc_save_restore, arc_output_function_prologue,
8997 arc_output_function_epilogue): Likewise.
8999 * elxsi/elxsi.c (reg_names): Likewise.
9001 * gmicro/gmicro.h (FUNCTION_PROLOGUE, FUNCTION_EPILOGUE): Likewise.
9003 * m32r/m32r.c (m32r_output_function_epilogue, emit_cond_move):
9006 * m88k/m88k.c (output_function_profiler): Likewise.
9008 * sparc/sparc.c (sparc_flat_output_function_prologue,
9009 sparc_flat_output_function_epilogue): Likewise.
9011 Sun Oct 31 13:32:15 CET 1999 Marc Lehmann <pcg@goof.com>
9013 * toplev.c (rest_of_compilation): Seperate the setjmp/vfork clobber
9014 warning from -Wuninitialized and put it under -W.
9015 * function.c (uninitialized_vars_warning): Warn only when the
9016 corresponding flag is set.
9018 Sun Oct 31 01:53:30 1999 Jeffrey A Law (law@cygnus.com)
9020 * cse.c (cse_insn): If an insn has only a single set, SRC_EQV
9021 is nonzero and the single set does not have an elt, then assign
9024 * simplify-rtx.c: New file.
9025 * Makefile.in (OBJS): Add simplify-rtx.o
9026 (simplify-rtx.o): Add dependencies.
9027 * rtl.h (simplify_gen_binary, simplify_rtx): Add prototypes.
9028 * cse.c: Use simplify_gen_binary intead of cse_gen_binary.
9029 (cse_gen_binary, simplify_unary_operation): Delete.
9030 (simplify_binary_operation, simplify_plus_minus): Likewise.
9031 (check_fold_consts, simplify_relation_operation): Likewise.
9032 (simplify_ternary_operation): Likewise.
9033 (delete_trivially_dead_insns): Simplify the contents of the
9034 REG_EQUAL note before trying to substitute it into the source
9035 of the reg-reg copy at the end of a libcall sequence.
9037 * combine.c (combine_simplify_rtx): Renamed from simplify_rtx. All
9038 references/callers changed.
9040 * mn10200.c (mn10200_va_arg): Force the return value into a
9043 * fr30.h (EXTRA_CC_NAMES): Remove obsolete macro.
9045 * cccp.c (macroexpand): Avoid out of range accesses for omitted
9048 Sat Oct 30 22:42:50 1999 Stephen L Moshier <moshier@mediaone.net>
9050 * c-lex.c (yylex): Accept 'f' in mantissa of hex float constant.
9052 Sat Oct 30 22:19:26 1999 Jeffrey A Law (law@cygnus.com)
9054 * fold-const.c (fold): Fix thinko when optimizing comparisons
9057 Sat Oct 30 21:32:17 1999 David Starner <dstarner98@aasaa.ofe.org>
9059 * gcc.texi (Passes): Update front-end files to their current
9062 Sat Oct 30 14:41:40 1999 Richard Henderson <rth@cygnus.com>
9064 * alpha.h (SECONDARY_INPUT_RELOAD_CLASS): Call secondary_reload_class.
9065 (SECONDARY_OUTPUT_RELOAD_CLASS): Likewise.
9066 (PREDICATE_CODES): Add addition_operation.
9067 * alpha-protos.h (addition_operation): Declare.
9068 (secondary_reload_class): Likewise.
9069 * alpha.c (addition_operation): New.
9070 (secondary_reload_class): New, from old SECONDARY_INPUT_RELOAD_CLASS.
9071 * alpha.md (adddi3): Turn into expander.
9072 (*lda, *adddi_2): New.
9073 (movsf, movdf patterns): Don't preference integer regs.
9074 (movsi, movdi patterns): Don't preference fp regs.
9076 Sat Oct 30 14:38:22 1999 Richard Henderson <rth@cygnus.com>
9078 * genrecog.c (write_switch): Check for duplicate CODE cases.
9080 Sat Oct 30 14:31:48 1999 Richard Henderson <rth@cygnus.com>
9082 * ggc-common.c: Update pre-function commentary.
9083 * ggc-page.c: Likewise.
9085 (poison_pages): Use memset directly.
9086 (ggc_alloc_obj): Likewise. Use a different pattern than poison_pages.
9087 (ggc_collect): Poison before sweeping.
9088 * ggc-simple.c: Update pre-function commentary.
9089 (ggc_alloc_obj): Poison non-zeroed memory.
9091 Sat Oct 30 14:28:52 1999 Mark Mitchell <mark@codesourcery.com>
9093 * ggc-common.c (ggc_print_statistics): Make arguments to fprintf
9094 match format string, even on 64-bit hosts.
9095 * gcc-page.c (ggc_page_print_statistics): Likewise.
9097 Sat Oct 30 14:38:04 1999 Catherine Moore <clm@cygnus.com>
9099 * config/i386/i386.c (ix86_cpu): Revert last patch.
9100 * config/i386/i386.h (ix86_cpu): Ditto.
9102 Fri Oct 29 17:00:42 1999 Jim Wilson <wilson@cygnus.com>
9104 * stor-layout.c (layout_type): When compute TYPE_SIZE_UNIT from
9105 TYPE_SIZE, convert type of result to sizetype.
9107 Fri Oct 29 14:34:17 1999 Richard Henderson <rth@cygnus.com>
9109 * flow.c (count_or_remove_death_notes): Equate NULL with the
9112 * jump.c, reg-stack.c, toplev.c: Revert Oct 27 change.
9113 * toplev.c (rest_of_compilation): Rebuild CFG immediately before
9116 * i386.c (pic_label_no): Delete.
9117 (ix86_attr_length_default): Don't use single_set to peek
9120 * recog.c (peephole2_optimize): Allow recog_next_insn to index
9121 the first insn after bb->end.
9122 * i386.md (push mem peeps): Scratch is live after evaluation
9124 (cmp mem peep): Similarly.
9126 Fri Oct 29 11:50:11 1999 Catherine Moore <clm@cygnus.com>
9128 * calls.c (emit_library_call_value): Fix declaration of alignment_pad.
9129 * function.c (pad_to_arg_alignment): Add missing braces.
9131 Fri Oct 29 13:53:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9133 * alpha/alpha-protos.h (literal_section): Add prototype.
9134 (alpha_need_linkage, alpha_start_function,alpha_end_function):
9137 * alpha/alpha.c (alpha_ra_ever_killed, set_frame_related_p): Add
9139 (alpha_start_function, alpha_end_function, float_strings,
9140 alpha_need_linkage): Constify a char*
9142 * alpha/alpha.h (ASM_OUTPUT_ASCII, ASM_OUTPUT_MI_THUNK): Likewise.
9144 * alpha/alpha32.h (ASM_OUTPUT_MI_THUNK): Likewise.
9146 * alpha/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
9148 * alpha/vms.h (ASM_OUTPUT_SECTION_NAME): Likewise.
9150 Fri Oct 29 13:49:39 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9152 * flow.c (debug_flow_info): Add prototype.
9154 * gcc.c (main): Likewise.
9156 * gcse.c (expr_reaches_here_p_work, pre_expr_reaches_here_p_work):
9159 * reload1.c (failed_reload, set_reload_reg): Likewise.
9161 * mips-tfile.c (main): Likewise.
9162 (pfatal_with_name, fancy_abort, botch, fatal, catch_signal): Mark
9163 with ATTRIBUTE_NORETURN.
9165 Fri Oct 29 18:16:03 1999 Andrew Haley <aph@cygnus.com>
9167 * config/i386/i386.h (ENCODE_SECTION_INFO): Don't do anything if
9168 DECL is not a memory ref.
9170 Fri Oct 29 09:05:34 1999 Catherine Moore <clm@cygnus.com>
9172 * config/i386/i386.h (ix86_cpu): Remove extern attribute.
9173 * config/i386/i386.c (ix86_cpu): Add extern attribute.
9175 Fri Oct 29 16:30:04 1999 Andrew Haley <aph@cygnus.com>
9177 * config/mips/elf.h: remove NAME__MAIN and SYMBOL__MAIN.
9178 * config/mips/elf64.h: ditto.
9180 Fri Oct 29 08:03:57 1999 Catherine Moore <clm@cygnus.com>
9182 * expr.c (emit_push_insn): New argument alignment_pad.
9183 Update all callers. Adjust stack pointer based on alignment pad.
9184 * function.c (pad_to_arg_alignment): New argument alignment_pad.
9185 Update all callers. Track alignment_pad if boundary > PARM_BOUNDARY.
9186 (locate_and_pad_parm): New argument alignment_pad. Update all
9188 * expr.h (emit_push_insn): Update prototype.
9189 (locate_and_pad_parm): Update prototype.
9190 * calls.c (arg_data): Add new field alignment_pad.
9191 (initialize_argument_information): Initialize alignment_pad.
9193 Fri Oct 29 02:51:35 1999 Mark Mitchell <mark@codesourcery.com>
9195 * except.c (free_eh_nesting_info): Free the info itself.
9196 * function.c (free_after_compilation): Don't free NULL.
9197 * gcse.c (alloc_pre_mem): Free the temp_bitmap, too.
9198 (pre_edge_insert): Free inserted.
9199 * stmt.c (free_stmt_status): Don't free NULL.
9201 Fri Oct 29 15:25:07 1999 Arnaud Charlet <charlet@ACT-Europe.FR>
9203 * gcov.c (DIR_SEPARATOR): Provide default.
9204 (output_data): Add test for MS-DOS format absolute filename.
9205 (fancy_abort): Correct program name.
9206 (open_files): Open all files in binary mode.
9207 * libgcc2.c (__bb_exit_func): Likewise.
9209 * profile.c (init_branch_prob): Specify binary when opening files.
9211 * flags.h (flag_unwind_tables): New decl.
9212 * toplev.c (flag_unwind_table): New definition.
9213 (f_options): Add -funwind-tables.
9214 (decode_g_option): Clarify warning when unknown -g option is given.
9215 (rest_of_compilation): If inside an inlined external function,
9216 pretend we are just being declared.
9218 * dwarf2out.c (dwarf2out_do_frame): Check -funwind_tables.
9219 (dwarf2out_frame_finish): Likewise.
9221 Fri Oct 29 07:44:26 1999 Vasco Pedro <vp@di.fct.unl.pt>
9223 * fold-const.c (merge_ranges): If not in0, but in1, handle
9224 upper bounds equal like subset case.
9226 Thu Oct 28 19:22:24 1999 Douglas Rupp <rupp@gnat.com>
9228 * dbxout.c (dbxout_parms): Generate a second stabs line for parameters
9229 passed in a register but moved to the stack.
9231 Thu Oct 28 19:12:57 1999 Sam Tardieu <tardieu@act-europe.fr>
9233 * gcc.c (pass_exit_codes, greatest_status): New variables.
9234 (struct option_map): Add entry for "--pass-exit-codes".
9235 (execute): Update greatest_status if error.
9236 (display_help): Add documentation for -pass-exit-codes.
9237 (process_command): Handle -pass-exit-codes.
9238 (main): Look at pass_exit_codes and greatest_status on call to exit.
9240 Thu Oct 28 18:06:50 1999 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9242 * reload.c (find_reloads): Refine test for no input reload
9243 case to not includes reloads emitted after insn.
9245 * function.c (find_temp_slots_from_address): Handle sum involving
9246 a register that points to a temp slot.
9247 (update_temp_slot_address): Make recursive call if both old and
9248 new are PLUS with a common operand.
9249 * calls.c (expand_call): Mark temp slot for result as having
9252 * rtlanal.c (reg_referenced_p, case IF_THEN_ELSE): New case.
9254 * gcc.c (process_command): Add standard_exec_prefix with "GCC"
9255 component as well as "BINUTILS".
9257 * integrate.h (copy_rtx_and_substitute): New arg, FOR_LHS.
9258 * integrate.c (copy_rtx_and_substitute): Likewise.
9259 (expand_inline_function, integrate_parm_decls, integrate_decl_tree):
9260 All callers changed.
9261 * unroll.c (inital_reg_note_copy, copy_loop_body): Likewise.
9263 * dbxout.c (dbxout_type, case INTEGER_TYPE_NODE): If can use
9264 gdb extensions, write size of type; also be more consistent
9265 in using references when this is a subtype.
9267 * pa.md (extv, extzv, insv): Use define_expand to reject constant
9268 that is out of range.
9270 * loop.c (unknown_constant_address_altered): New variable.
9271 (prescan_loop): Initialize it.
9272 (note_addr_stored): Set it for RTX_UNCHANGING_P MEM.
9273 (invariant_p, case MEM): Remove handling for volatile and readonly;
9274 check new variable if readonly.
9275 (check_dbra_loop): Chdeck unknown_constant_address_altered.
9277 * cse.c (canon_hash, case MEM): Do not record if BLKmode.
9278 (addr_affects_sp_p): Removed from note_mem_written and only
9279 define #ifdef AUTO_INC_DEC.
9281 * alpha.c (input_operand, case ADDRESSOF): Treat as REG.
9283 * regclass.c (record_reg_classes): Properly handle register move
9286 * varasm.c (initializer_constant_valid_p, case MINUS_EXPR):
9287 Don't think valid if both operands are invalid.
9288 (struct constant_descriptor): New field RTL.
9289 (mark_const_hash_entry): Mark it.
9290 (record_constant{,_rtx}): Initialize it.
9291 (output_constant_def): Allocate RTL in permanent obstack and
9293 ({record,compare}_constant_1): Modes must match for
9294 CONSTRUCTOR of ARRAY_TYPE.
9296 * c-common.h (initializer_constant_valid_p): Delete decl from here.
9297 * output.h (initializer_constant_valid_p): Move decl to here.
9298 * c-common.c (initializer_constant_valid_p): Delete function from here.
9299 * varasm.c (initializer_constant_valid_p): Move function to here.
9301 * tree.h (STRIP_SIGN_NOPS): New macro.
9302 * fold-const.c (optimize_minmax_comparison): New function.
9303 (invert_truthvalue, case WITH_RECORD_EXPR): New case.
9304 (fold): Use STRIP_SIGN_NOPS instead of STRIP_TYPE_NOPS.
9305 (fold, case EQ_EXPR): Call optimize_minmax_comparison and add
9306 cases with ABS_EXPR, NEGATE_EXPR, PLUS_EXPR, MINUS_EXPR, and
9307 widening conversions.
9308 (fold, case LE_EXPR): Rework changing unsigned to signed comparisons
9309 to look at size of mode, not precision of type; also add missing cases.
9310 (optimize_bit_field_compare, decode_field_reference): Don't try to
9311 optimize COMPONENT_REF of a PLACEHOLDER_EXPR.
9313 * dwarf2out.c (ctype.h): Include.
9314 (dwarf2out_set_demangle_name_func): New function.
9315 (size_of_line_info): Deleted.
9316 (output_line_info): Compute size of line info table from difference
9318 (base_type_die, add_name_attribute): Call demangle function, if any.
9319 (field_byte_offset): Use bits per word for variable length fields.
9320 (gen_array_type_die): Add array name.
9321 (gen_subprogram_die): Ignore DECL_INLINE if -fno-inline.
9322 (dwarf2out_add_library_unit_info): New function.
9324 * explow.c (set_stack_check_libfunc): New function.
9325 (stack_check_libfunc): New static variable.
9326 (probe_stack_range): Allow front-end to set up a libfunc to call.
9328 * combine.c (simplify_comparison): When making comparison in wider
9329 mode, check for having commuted an AND and a SUBREG.
9330 (contains_muldiv): New function.
9331 (try_combine): Call it when dividing a PARALLEL.
9332 (simplify_rtx, case TRUNCATE): Don't remove for umulsi3_highpart.
9333 (simplify_comparison, case ASHIFTRT): Recognize sign-extension of
9335 (record_value_for_reg): If TEM is a binary operation with two CLOBBERs,
9336 use one of the CLOBBERs instead.
9337 (if_then_else_cond): If comparing against zero, just return thing
9340 * optabs.c (expand_abs): If machine has MAX, ABS (x) is MAX (x, -x).
9341 Don't generate shifts and subtract if have conditional arithmetic.
9343 * rtl.h (delete_barrier): New declaration.
9344 * jump.c (jump_optimize): Set up to handle conditional call.
9345 In conditional arithmetic case, handle CALL_INSN followed by a BARRIER.
9346 (delete_barrier): New function.
9348 * rtl.c (read_rtx): Call fatal if bad RTL code; check for bad mode.
9350 * recog.c (nonmemory_operand): Accept ADDRESSOF.
9352 * tree.c (build_type_attribute_variant): Push to obstack of
9353 ttype around type_hash_canon call.
9355 * expr.c (placeholder_list): Move decl to file scope.
9356 (expand_expr): Don't force access to volatile just because its
9358 If ignoring reference operations, just expand the operands.
9359 (expand_expr, case COMPONENT_REF): Propagate
9360 EXPAND_CONST_ADDRESS to recursive call when expanding inner.
9361 Refine test for using bitfield operations vs pointer punning.
9362 (expand_expr, case CONVERT_EXPR): If converting to
9363 BLKmode UNION_TYPE from BLKmode, just return inner object.
9364 Use proper mode in store_field call.
9365 Properly set sizes of object to store and total size in store_field
9366 call for convert to union.
9367 (expand_expr, case ARRAY_REF): If OP0 is in a register, put it in
9368 memory (like for ADDR_EXPR). Also, don't put constant in register if
9369 we'll want it in memory.
9370 (readonly_fields_p): New function.
9371 (expand_expr, case INDIRECT_REF): Call it if LHS.
9372 (expand_assignment): Handle a RESULT_DECL where
9373 DECL_RTL is a PARALLEL.
9374 (do_jump, case WITH_RECORD_EXPR): New case.
9375 (get_inner_reference): Always go inside a CONVERT_EXPR
9376 and NOP_EXPR if both modes are the same.
9377 (store_field): Use bitfield operations if size of bitsize is not same
9378 as size of RHS's type.
9379 Check for bitpos not a multiple of alignment in BLKmode case.
9380 Do block move in largest possible alignment.
9381 (store_constructor): Set BITSIZE to -1 for variable size and properly
9382 in case of array of BLKmode.
9383 (expand_expr_unaligned): New function.
9384 (do_compare_and_jump): Call it.
9386 * mips/iris5.h (SWITCHES_NEED_SPACES): New macro.
9387 * collect2.c (main): Only allow -ofoo if SWITCHES_NEED_SPACES
9388 does not include 'o'.
9390 * function.c (instantiate_virtual_regs_1, case SET): Handle case where
9391 both SET_DEST and SET_SRC reference a virtual register.
9392 (gen_mem_addressof): Copy RTX_UNCHANGING_P from new REG to old REG.
9394 * integrate.c (expand_inline_function): Handle case of setting
9395 virtual stack vars register (from built in setjmp); when parameter
9396 lives in memory, expand virtual_{stack_vars,incoming_args}_rtx early.
9397 (subst_constant): Add new parm, MEMONLY.
9398 (expand_inline_function, integrate_parm_decls): Pass new parm.
9399 (integrate_decl_tree): Likewise.
9400 (copy_rtx_and_substitute, case MEM): Do copy RTX_UNCHANGING_P.
9401 (try_constants): Call subst_constants twice, with MEMONLY 0 and 1.
9402 (copy_rtx_and_substitute, case SET): Add explicit calls to
9403 copy_rtx_and_substitute for both sides.
9405 * stmt.c (expand_asm_operands): Don't use TREE_STRING_LENGTH for
9407 (pushcase{,_range}): Convert to NOMINAL_TYPE after checking for
9408 within INDEX_TYPE, instead of before.
9409 (fixup_gotos): Use f->target_rtl, not the next insn,
9410 since latter may be from a later fixup.
9411 (expand_value_return): Correctly convert VAL when promoting function
9412 return; support RETURN_REG being a PARALLEL.
9413 (expand_return): When checking for result in regs and having
9414 cleanup, consider PARALLEL in DECL_RTL as being in regs.
9416 1999-10-28 21:27 -0700 Zack Weinberg <zack@bitmover.com>
9418 * cpplib.h (struct cpp_buffer: fname, nominal_fname,
9419 last_nominal_fname): Mark const.
9420 (struct include_hash: name, nshort, control_macro): Mark
9422 (struct macrodef: symnam): Mark const.
9423 (struct if_stack: fname): Mark const.
9424 (is_idchar, is_idstart, is_hor_space, trigraph_table): Delete.
9425 (IStable): New character-syntax array which encompasses all
9426 the old is_foo arrays.
9427 (is_idchar, is_numchar, is_idstart, is_numstart, is_hspace,
9428 is_space): New macros for interrogating IStable.
9429 (check_macro_name): Kill last argument. All callers changed.
9431 * cppinit.c (initialize_char_syntax): Delete.
9432 (is_idchar, is_idstart, is_hor_space, is_space,
9433 trigraph_table): Delete.
9434 (IStable): New. Initialize with clever macros to avoid
9435 information duplication.
9436 (builtin_array): Table of builtins to get rid of explicit list
9437 in initialize_builtins.
9438 (initialize_builtins): Use builtins_array.
9439 (cpp_start_read): Call init_IStable, and set IStable['$'] if
9440 opts->dollars_in_ident.
9442 * cppexp.c: Change all refs to is_xyz[] arrays to use new
9444 (cpp_parse_expr): Avoid 'format string is not constant'
9445 warning. Use ISGRAPH to identify printable chars.
9446 * cppfiles.c: Change all refs to is_xyz[] arrays to use new
9448 (read_and_prescan): Map trigraphs to chars with open-coded
9449 if-else-if-... sequence, not a lookup table.
9450 * cpphash.c: Change all refs to is_xyz[] arrays to use new
9452 * cpplib.c: Change all refs to is_xyz[] arrays to use new
9453 is_xyz() macros. Kill SKIP_ALL_WHITE_SPACE (unused).
9454 (check_macro_name): Remove ability to report an invalid
9455 assertion name, which is never used.
9456 (do_line): Constify a couple of char *'s.
9457 * cppmain.c (main): Call cpp_cleanup before returning.
9459 Thu Oct 28 21:16:35 1999 Mark Mitchell <mark@codesourcery.com>
9461 * ggc.h (struct ggc_statistics): New type.
9462 (ggc_get_size): New function.
9463 (ggc_print_statistics): Likewise.
9464 * ggc-common.c (ggc_stats): New variable.
9465 (ggc_mark_rtx_children): Keep statistics.
9466 (ggc_mark_tree_children): Likewise.
9467 (ggc_print_statistics): New function.
9468 * ggc-page.c (struct globals): Add bytes_mapped field.
9469 (alloc_anon): Update it.
9470 (release_pages): Likewise.
9471 (ggc_get_size): New function.
9472 (ggc_page_print_statistics): New function.
9473 * ggc-simple.c (ggc_get_size): New function.
9475 Fri Oct 29 06:32:44 1999 Geoffrey Keating <geoffk@cygnus.com>
9477 * flow.c (propagate_block): When the last reference to a label
9478 before an ADDR_VEC is deleted because the reference is a dead
9479 store, delete the ADDR_VEC.
9481 Thu Oct 28 12:28:50 1999 Richard Henderson <rth@cygnus.com>
9483 * resource.c (find_free_register): Don't use the frame pointer
9484 if frame_pointer_needed.
9486 Thu Oct 28 10:02:00 1999 Jim Wilson <wilson@cygnus.com>
9488 * config/mips/mips.c (mips_va_arg): Delete gen_jump as emit_jump arg.
9489 (function_arg_pass_by_reference): Check for a NULL pointer in cum.
9491 * config/i960/i960.c (i960_va_start): New locals base, num.
9492 Use INDIRECT_REF instead of ARRAY_REF on valist.
9493 (i960_va_arg): Use INDIRECT_REF instead of ARRAY_REF on valist.
9495 Thu Oct 28 09:45:48 1999 Mark Mitchell <mark@codesourcery.com>
9497 * gcse.c (delete_null_pointer_checks): Fix typo in previous change.
9499 Thu Oct 28 03:37:50 1999 Peter Gerwinski <peter@gerwinski.de>
9501 * tree.def (PLACEHOLDER_EXPR): Update comments.
9503 Thu Oct 28 06:47:32 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9505 * c-common.c (check_format_info): Avoid non-literal format string
9506 warnings when `first_arg_num' is zero.
9508 Thu Oct 28 12:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9510 * rtl.texi: Delete explicit Prev, Up and Next entries in "@node"s.
9512 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
9514 * arm.md (casesi_insn): Add a clobber of the condition code
9517 Mon Oct 18 21:16:06 1999 Fred Fish <fnf@be.com>
9519 * tm.texi (CC1PLUS_SPEC): Make it clear in the docs that CC1_SPEC is
9520 used by both cc1 and cc1plus.
9522 Thu Oct 28 10:00:48 1999 Nick Clifton <nickc@cygnus.com>
9524 * config/arm/arm.c: Initialise arm_structure_size_boundary to
9525 DEFAULT_STRUCTURE_SIZE_BOUNDARY.
9526 * config/arm/arm.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY): Define
9527 to the value 32 if it has not already been defined.
9528 * config/arm/netbsd.h (DEFAULT_STRUCTURE_SIZE_BOUNDARY):
9529 Override definition in arm.h with a value of 8.
9531 Thu Oct 28 03:12:02 1999 David Starner <dstarner98@aasaa.ofe.org>
9533 * c-pragma.c (push_alignment): Don't check the return value
9536 Thu Oct 28 03:08:38 1999 Matteo Frigo <athena@fftw.org>
9538 * sparc.h (ADJUST_COST): Fix thinko.
9540 Thu Oct 28 02:44:03 1999 Glen Nakamura <glen.nakamura@usa.net>
9542 * cccp.c (rescan): Fixed obp pointer handling around call to
9543 check_expand subroutine.
9545 Thu Oct 28 02:15:22 1999 Jeffrey A Law (law@cygnus.com)
9547 * gcse.c (delete_null_pointer_checks): Only record non-null info
9548 for pseudos when examining stores.
9550 * arm.md (adddi3, adddi_sesidi_di, adddi_sesidi_di): Add
9551 splitters for these patterns. Use "#" for output templates.
9552 (addsi3_carryin_shift): New pattern.
9554 Thu Oct 28 10:20:02 1999 Geoffrey Keating <geoffk@cygnus.com>
9556 * config/rs6000/rs6000.md (movsf): Don't convert a SUBREG
9557 of the function return register into a plain REG until
9558 after function inlining is done.
9560 Wed Oct 27 15:21:46 1999 Richard Henderson <rth@cygnus.com>
9562 * jump.c (jump_optimize_1): If we did cross-jumping, and
9563 the data will matter, rebuild the CFG.
9564 * reg-stack.c (reg_to_stack): Only (re)build the CFG if
9565 not optimizing. Don't run shorten_branches.
9566 * toplev.c (rest_of_compilation): Run shorten_branches after
9569 Wed Oct 27 12:33:40 1999 Mark Mitchell <mark@codesourcery.com>
9571 * rtl.h (note_stores): Add additional paramter.
9572 * rtlanal.c (reg_set_p_1): Take additional paramter.
9573 (reg_set_last_1): Likewise.
9574 (reg_set_p): Adjust call to note_stores.
9575 (reg_set_last): Likewise.
9576 (note_stores): Pass data parameter to worker function.
9577 * alias.c (record_set): Take additional parameter.
9578 (init_alias_analysis): Pass it.
9579 * caller-save.c (mark_set_regs): Take additional parameter.
9580 (save_call_clobbered_regs): Pass NULL to note_stores.
9581 * combine.c (set_nonzero_bits_and_sign_copies): Take additional
9583 (record_dead_and_set_regs_1): Likewise.
9584 (reg_dead_at_p_1): Likewise.
9585 (combine_instructions): Adjust calls to note_stores.
9586 (try_combine): Likewise.
9587 (record_dead_insn): Remove.
9588 (record_dead_and_set_regs): Adjust calls to note_stores.
9589 (reg_dead_at_p): Likewise.
9590 * cse.c (invalidate_skipped_set): Take additional parameter.
9591 (cse_check_loop_start): Likewise.
9592 (cse_check_loop_start_value): Remove.
9593 (cse_set_around_loop): Adjust calls to note_stores.
9594 * flow.c (notice_stack_pointer_modification): Take additional
9595 parameter. Remove duplicate declaration.
9596 (record_volatile_insns): Adjust calls to note_stores.
9597 * gcse.c (record_set_info): Take additional parameter.
9598 (record_last_set_info): Likewise.
9599 (invalidate_nonnull_info): Likewise.
9600 (record_set_insn): Remove.
9601 (compute_sets): Adjust calls to note_stores.
9602 (last_set_insn): Remove.
9603 (compute_hash_table): Adjust calls to note_stores.
9604 (insert_insn_end_bb): Likewise.
9605 (delete_null_pointer_checks): Likewise.
9606 * global.c (mark_reg_store): Take additional parameter.
9607 (mark_reg_clobber): Likewise.
9608 (reg_becomes_live): Likewise.
9609 (global_conflicts): Adjust calls to note_stores.
9610 (build_insn_chain): Likewise.
9611 * integrate.c (note_modified_parmregs): Take additional parameter.
9612 (mark_stores): Likewise. Make it static.
9613 (save_for_inline_nocopy): Adjust calls to note_stores.
9614 (try_constants): Likewise.
9615 * integrate.h (mark_stores): Remove declaration.
9616 * jump.c (mark_modified_reg): Take additional parameter.
9617 (thread_jumps): Adjust calls to note_stores.
9618 * local-alloc.c (validate_equiv_mem_from_store): Take additional
9620 (no_equiv): Likewise.
9621 (reg_is_set): Likewise.
9622 (validate_equiv_mem): Adjust calls to note_stores.
9623 (update_equiv_regs): Likewise.
9624 (block_alloc): Likewise.
9625 * loop.c (note_set_pseudo_multiple_uses_retval): Remove.
9626 (note_addr_stored): Take additional parameter.
9627 (note_set_pseudo_multiple_uses): Likewise.
9628 (record_initial): Likewise.
9629 (prescan_loop): Adjust calls to note_stores.
9630 (strength_reduce): Likewise.
9631 (check_dbra_loop): Likewise.
9632 * regmove.c (flags_set_1): Take additional paramter.
9633 (mark_flags_life_zones): Adjust calls to note_stores.
9634 * reload1.c (mark_not_eliminable): Take additional parameter.
9635 (forget_old_reloads_1): Likewise.
9636 (reload_cse_invalidate_rtx): Likewise.
9637 (reload_cse_check_clobber): Likewise.
9638 (reload_combine_note_store): Likewise.
9639 (move2add_note_store): Likewise.
9640 (reload): Adjust calls to note_stores.
9641 (reload_as_needed): Likewise.
9642 (emit_reload_insns): Likewise.
9643 (reload_cse_regs_1): Likewise.
9644 (reload_cse_record_set): Adjust calls to reload_cse_invalidate_rtx.
9645 (reload_combine): Adjust calls to note_stores.
9646 * resource.c (update_live_status): Take additional paramter.
9647 (mark_target_live_regs): Adjust calls to note_stores.
9648 * stupid.c (find_clobbered_regs): Take additional parameter.
9649 (stupid_life_analysis): Adjust calls to note_stores.
9651 Wed Oct 27 19:26:12 1999 Nick Clifton <nickc@cygnus.com>
9653 * config/arm/coff.h (STRUCTURE_SIZE_BOUNDARY): Delete
9656 * config/arm/elf.h (STRUCTURE_SIZE_BOUNDARY): Delete
9659 * config/arm/arm.h (STRUCTURE_SIZE_BOUNDARY): Define in terms
9660 of the variable arm_structure_size_boundary.
9662 Wed Oct 27 02:05:58 1999 Mark P. Mitchell <mark@codesourcery.com>
9664 * alias.c (init_alias_analysis): Allocate reg_known_value and
9665 reg_known_equiv_p on the heap. Likewise for new_reg_base_value
9667 (end_alias_analysis): Free reg_known_value and reg_known_equiv_p.
9668 * cse.c (cse_main): Call end_alias_analysis.
9669 * haifa-sched.c (schedule_insns): Likewise.
9670 * local-alloc. (update_equiv_regs): Likewise.
9671 * reload1.c (reload_cse_regs): Likewise.
9673 Wed Oct 27 01:49:17 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9675 * sparc/sparc.c (sparc_override_options): Clear MASK_FPU_SET.
9676 * sparc/sparc.h (TARGET_SWITCHES): Add "fpu" entry for reverse
9677 mapping from MASK_FPU.
9679 Wed Oct 27 01:42:26 1999 Scott Christley <scottc@net-community.com>
9681 * sparc.md (call): Don't bound structure return size to 0xfff.
9683 Wed Oct 27 00:56:59 1999 Richard Henderson <rth@cygnus.com>
9685 * resource.c (mark_target_live_regs): Check that the target
9686 insn wasn't created after compute_bb_for_insn.
9688 Tue Oct 26 23:15:03 1999 Mark Mitchell <mark@codesourcery.com>
9690 * ggc-page.c (poison_pages): Don't be overzealous.
9692 Tue Oct 26 23:29:18 1999 Jeffrey A Law (law@cygnus.com)
9694 * alias.c: Update comments for ADDRESS.
9695 (nonlocal_reference_p): Look inside the ADDRESS to determine if
9696 it is a local memory reference.
9698 * c-typeck.c (build_function_call): Check that the built-in
9699 function is of class BUILT_IN_NORMAL before trying to recongize
9701 * calls.c (calls_function_1): Similarly for BUILT_IN_ALLOCA.
9702 * stmt.c (expand_end_cae): Similarly for BUILT_IN_CLASSIFY_TYPE.
9704 Wed Oct 27 00:14:13 1999 Robert Lipe <robertlipe@usa.net>
9706 * gcse.c (expr_reaches_here_p): Use xcalloc and explit free instead
9708 (pre_gcse): Likewise.
9709 (hoist_expr_reaches_here_p): Likewise.
9710 (hoist_code): Likewise.
9711 (pre_expr_reaches_here_p): Replace alloca with xcalloc. Move core
9713 (pre_expr_reaches_here_p_work): ... here.
9714 (expr_reaches_here_p): Replace alloca with xcalloc. Move core
9716 (expr_reaches_here_p_work): ... here.
9718 Tue Oct 26 20:42:45 1999 Richard Henderson <rth@cygnus.com>
9720 * resource.c (find_basic_block): Delete.
9721 (mark_target_live_regs, incr_ticks_for_insn): Use BLOCK_NUM instead.
9722 (init_resource_info): Call compute_bb_for_insn.
9724 Tue Oct 26 20:21:02 1999 Richard Henderson <rth@cygnus.com>
9726 * flow.c (merge_blocks_move_predecessor_nojumps): Cope
9727 with already adjacent blocks, but no fallthru.
9728 (merge_blocks_move_successor_nojumps): Simplify.
9729 (debug_flow_info): New.
9731 * toplev.c (rest_of_compilation): Open jump1 dump file before
9732 jump and close after, as opposed to just using dump_rtl.
9734 Wed Oct 27 03:09:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
9736 * reload.h (earlyclobber_operand_p): Declare.
9737 * reload.c (earlyclobber_operand_p): Don't declare. No longer static.
9738 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
9739 an earlyclobbered output conflict with RELOAD_INPUT reloads - handle
9740 case where the RELOAD_OTHER reload is new. Use earlyclobber_operand_p.
9742 Tue Oct 26 18:23:38 1999 Jan Hubicka <hubicka@freesoft.cz>
9743 Richard Henderson <rth@cygnus.com>
9745 * emit-rtl.c (emit_block_insn_before): New.
9746 (emit_block_insn_after): New.
9747 * basic-block.h: Declare them.
9749 * bitmap.h: Protect from multiple inclusion.
9751 * recog.c (scratch_operand): Handle VOIDmode correctly.
9753 * rtl.h (JUMP_CROSS_JUMP_DEATH_MATTERS): New.
9755 * builtins.c (expand_builtin_apply_args_1): Remove STACK_REGS hack.
9756 * function.c (assign_parms): Likewise.
9757 * global.c (global_conflicts): Clarify STACK_REGS commentary.
9759 * reg-stack.c (max_uid): Remove.
9760 (blocks, block_begin, block_end, block_drops_in): Remove.
9761 (block_stack_in, block_out_reg_set, block_number): Remove.
9762 (struct block_info_def, BLOCK_INFO): New.
9763 (enum emit_where): New.
9764 (current_block): New.
9765 (BLOCK_NUM): Remove.
9766 (mark_regs_pat, record_label_references): Remove.
9767 (record_reg_life_pat, record_reg_life, find_blocks): Remove.
9769 (goto_block_pat, print_blocks, dump_stack_info): Remove.
9770 (reg_to_stack): Simplified test for existance of fp code. Use
9771 flow.c code. Call shorten_branches after cross-jump opt.
9772 (check_asm_stack_operands): Renamed from record_asm_reg_life.
9773 Return false if the asm doesn't use stack regs. Don't do life
9774 analysis on the asm.
9775 (emit_pop_insn): Replace function pointer arg `when' with
9776 enum `where'. Update all callers.
9777 (change_stack): Likewise. Update basic block end.
9778 (emit_swap_insn): Use current_block->head to limit reverse search
9779 for start of block. Use emit_block_insn_after.
9780 (subst_stack_regs_pat): Handle USE and CLOBBER patterns.
9781 (subst_asm_stack_regs): Use check_asm_stack_operands. Use direct
9782 structure assignment instead of bcopy.
9784 (convert_regs_entry, convert_regs_exit): New.
9785 (convert_regs_1, convert_regs_2): Split out from convert_regs.
9786 Work on basic blocks and the CFG.
9787 (convert_regs): Use them.
9789 * i386.c (output_fix_trunc): Remove code for DImode input operand
9790 not at top-of-stack.
9791 * i386.c (fix_truncdfdi2, fix_truncsfdi2): Use scratch with
9793 (fix_truncdi_1): Allow any mode scratch.
9795 Tue Oct 26 13:30:35 1999 Richard Henderson <rth@cygnus.com>
9797 * alpha.h (TARGET_MEM_FUNCTIONS): Define here.
9798 * linux.h, netbsd.h, vms.h: Not here.
9800 1999-10-26 Gavin Romig-Koch <gavin@cygnus.com>
9802 * config/mips/mips.h (ISA_HAS_64BIT_REGS,ISA_HAS_BRANCHLIKELY,
9803 ISA_HAS_FP4,ISA_HAS_CONDMOVE): New.
9804 (GENERATE_BRANCHLIKELY,HAVE_SQRT_P,
9805 CONDITIONAL_REGISTER_USEAGE): Use them.
9806 * config/mips/mips.c (mips_move_1word,mips_move_2words,
9807 gen_conditional_branch,override_options) : Use them.
9808 * config/mips/mips.md : Use them.
9810 Tue Oct 26 13:09:23 1999 Richard Henderson <rth@cygnus.com>
9812 * i386.md (zero_extendqihi2): Use SImode register name with andl.
9814 Tue Oct 26 12:35:38 1999 Richard Henderson <rth@cygnus.com>
9816 * integrate.c (function_cannot_inline_p): Don't allow inlining
9819 Tue Oct 26 14:10:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9821 * c-parse.in (cast_expr): Constify.
9823 * cccp.c (special_symbol): Likewise.
9825 * cse.c (hash_cse_reg_info, cse_reg_info_equal_p): Likewise.
9827 * dwarf2out.c (base_type_die): Likewise.
9829 * global.c (allocno_compare): Likewise.
9831 * local-alloc.c (qty_compare_1, qty_sugg_compare_1): Likewise.
9833 * regclass.c (fix_register): Likewise.
9835 * rtl.h (fix_register): Likewise.
9837 * stupid.c (stupid_reg_compare): Likewise.
9839 * toplev.c (decode_f_option): Likewise.
9841 * tree.c (build_complex_type): Likewise.
9843 Tue Oct 26 18:35:25 1999 Richard Earnshaw <rearnsha@arm.com>
9845 * output.h: Don't unnecessarily conditionalize prototypes on TREE_CODE.
9847 Tue Oct 26 15:42:56 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9849 * reload.c (find_reloads): Compute mode and nregs fields of all
9851 * reload1.c (calculate_needs_all_insns): Simplify a bit.
9852 (calculate_needs): Use precomputed mode/nregs values.
9853 (allocate_reload_reg): Likewise.
9855 (failed_reload, set_reload_reg): ... new functions.
9856 (choose_reload_regs_init): New function, mostly broken out from...
9857 (choose_reload_regs): ... here. Lose all the save_xxx nonsense.
9858 Also lose one #if 0 block.
9860 Tue Oct 26 02:48:32 1999 Marc Espie <espie@cvs.openbsd.org>
9862 * Makefile.in (AR_FOR_TARGET, RANLIB_FOR_TARGET): Fix target name
9865 Tue Oct 26 01:27:32 1999 Mark Mitchell <mark@codesourcery.com>
9867 * tree.h (BLOCK_TYPE_TAGS): Remove.
9868 (BLOCK_END_NOTE): Likewise.
9869 (BLOCK_LIVE_RANGE_FLAG): Likewise.
9870 (BLOCK_LIVE_RANGE_START): Likewise.
9871 (BLOCK_LIVE_RANGE_END): Likewise.
9872 (tree_block): Remove live_range_flag, live_range_var_flag, and
9873 type_tags. Remove end_note, live_range_start, and live_range_end.
9874 (remember_end_note): Remove prototype.
9875 * tree.c (build_block): Don't set BLOCK_TYPE_TAGS.
9876 * c-decl.c (poplevel): Don't set BLOCK_TYPE_TAGS or call
9878 * ggc-common.c (ggc_mark_tree_children): Don't mark
9879 BLOCK_TYPE_TAGS or BLOCK_END_NOTE.
9880 * integrate.c (adjust_copied_decl_tree): Remove.
9881 * print-tree.c (print_node): Don't print BLOCK_TYPE_TAGS.
9882 * stmt.c (last_block_end_note): Remove.
9883 (init_stmt): Don't add a GC root for it.
9884 (expand_fixup): Don't set it.
9885 (remember_end_note): Remove.
9886 (expand_end_bindings): Don't set last_block_end_note.
9888 Tue Oct 26 00:41:54 1999 Bernd Schmidt <bernds@cygnus.co.uk>
9890 * reload1.c (reload_reg_free_for_value_p): Show
9891 RELOAD_FOR_OTHER_ADDRESS reloads can conflict with RELOAD_OTHER
9894 Mon Oct 25 23:54:45 1999 Geoff Keating <geoffk@cygnus.com>
9896 * expmed.c (extract_bit_field): Allow for the case of non-integer
9897 objects that are smaller than a word (like SFmode on a 64-bit
9900 * loop.c (basic_induction_var): A non-integer variable which is
9901 being set by a paradoxical subreg is probably not a biv.
9903 1999-10-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9905 * prefix.c (translate_name) Check for empty prefix string.
9907 Mon Oct 25 23:10:45 1999 Andreas Schwab <schwab@suse.de>
9909 * Makefile.in (CPP_CROSS_NAME): New variable.
9910 (install-cpp): Use it instead of CPP_INSTALL_NAME for the cross
9912 (uninstall-cpp): Use CPP_INSTALL_NAME and CPP_CROSS_NAME for the
9913 names of the files to be uninstalled.
9915 Mon Oct 25 23:03:09 1999 Jeffrey A Law (law@cygnus.com)
9917 * collect2.c (IS_DIR_SEPARATOR): Define.
9918 (prefix_from_string): Use IS_DIR_SEPARATOR and DIR_SEPARATOR.
9920 * som.h (ASM_DECLARE_FUNCTION_NAME): Set PRIV_LEV for static
9923 * haifa-sched.c (add_dependence): Update the true dependency
9924 cache the first time we add a true dependence to the LOG_LINKS chain.
9926 Mon Oct 25 22:27:40 1999 Jim Kingdon <http://developer.redhat.com/>
9928 * fold-const.c (fold): Fix comment.
9930 Mon Oct 25 22:49:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9932 * dbxout.c (lastfile, cwd, dbxout_type_method_1,
9933 dbxout_symbol_location, dbxout_symbol_name, dbxout_init,
9934 dbxout_start_new_source_file, dbxout_source_file,
9935 dbxout_source_line, dbxout_finish, dbxout_type_fields,
9936 dbxout_type_methods, dbxout_symbol, dbxout_prepare_symbol):
9938 (dbxout_types, dbxout_args, dbxout_symbol): Delete prototypes.
9939 (dbxout_symbol): Mark parameter `local' with ATTRIBUTE_UNUSED.
9940 (dbxout_block): Initialize variable `blocknum'.
9942 * dbxout.h (dbxout_init, dbxout_finish,
9943 dbxout_start_new_source_file, dbxout_source_file, dbxout_types,
9944 dbxout_args, dbxout_source_line): Constify a char*.
9946 * dwarfout.c (dwarf_tag_name, dwarf_attr_name,
9947 dwarf_stack_op_name, dwarf_typemod_name, dwarf_fmt_byte_name,
9948 dwarf_fund_type_name, name_attribute, stmt_list_attribute,
9949 low_pc_attribute, high_pc_attribute, body_begin_attribute,
9950 body_end_attribute, comp_dir_attribute, sf_names_attribute,
9951 src_info_attribute, mac_info_attribute, producer_attribute,
9952 lookup_filename, generate_macinfo_entry, fundamental_type_code,
9953 dwarfout_line, dwarfout_start_new_source_file, dwarfout_define,
9954 dwarfout_undef): Constify a char*.
9955 (add_incomplete_type, retry_incomplete_types): Add prototypes.
9957 * dwarfout.h (dwarfout_define, dwarfout_undef,
9958 dwarfout_start_new_source_file, dwarfout_line): Constify a char*.
9960 1999-10-25 Gavin Romig-Koch <gavin@cygnus.com>
9962 * config/mips/mips.h (MIPS_ISA_DEFAULT): Insure it's defined.
9963 (MULTILIB_ISA_DEFAULT): New.
9964 (MULTILIB_DEFAULTS): Use it.
9965 * config/mips/mips.c (): Remove the now unnecessary definition
9966 of MIPS_ISA_DEFAULT.
9967 * config/mips/elf64.h (MULTILIB_DEFAULTS): Remove the now
9968 unnecessary definition.
9970 Mon Oct 25 22:08:35 1999 Richard Earnshaw (rearnsha@arm.com)
9972 * arm.md (pic_load_addr): Add constraints to operand 1.
9974 1999-10-25 Bruce Korb <autogen@linuxbox.com>
9976 * fixinc/genfixes: Provide a means for specifying -D options to
9979 Mon Oct 25 00:42:35 1999 Jeffrey A Law (law@cygnus.com)
9981 * arm.c (arm_override_options): Correct initialization of
9982 arm_fast_multiply, arm_arch4, arm_arch5, arm_ld_sched,
9983 arm_is_strong, and arm_is_6_or_7.
9985 * loop.c (note_set_pseudo_multiple_uses_retval): New variable.
9986 (note_set_pseudo_multiple_uses): New function.
9987 (check_dbra_loop): Use not_set_pseudo_multiple_uses to determine
9988 if a pseudo set in the loop exit is used elsewhere.
9990 Sun Oct 24 20:52:40 1999 Mark Mitchell <mark@codesourcery.com>
9992 * i386.md (mulsi3): Tweak to work with SCO OSR5 COFF assembler.
9994 Sun Oct 24 21:02:46 1999 Richard Henderson <rth@cygnus.com>
9996 * i386.md (*lea_0): Collapse addsi_0, addsi_lea_[123] into
9997 a single load-address pattern.
9999 Sun Oct 24 19:33:24 1999 Mark P. Mitchell <mark@codesourcery.com>
10001 * haifa-sched.c (schedule_insns): Don't assign LUIDs differently
10002 depending on whether or not line-number notes are present.
10004 Sun Oct 24 20:29:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10006 * cccp.c (progname, file_buf, default_include, include_file,
10007 macrodef, definition, hashval, wchar_type, user_label_prefix,
10008 directive, out_fname, if_stack, safe_write, index0, get_lintcmd,
10009 expand_to_temp_buffer, is_system_include, base_name,
10010 absolute_filename, read_name_map, open_include_file,
10011 record_control_macro, check_precompiled, check_preconditions,
10012 pcfinclude, pass_thru_directive, create_definition,
10013 check_macro_name, comp_def_part, collect_expansion,
10014 check_assertion, read_token_list, assertion_install,
10015 assertion_lookup, eval_if_expression, conditional_skip,
10016 validate_else, skip_quoted_string, quote_string, macarg1,
10017 error_from_errno, install, lookup, hashf, dump_defn_1,
10018 perror_with_name, pfatal_with_name, main, trigraph_pcp,
10019 check_white_space, rescan, handle_directive, monthnames,
10020 special_symbol, do_include, remap_include_file, write_output,
10021 arglist, do_assert, do_unassert, do_line, do_error, do_once,
10022 do_ident, do_sccs, do_xifdef, skip_if_group,
10023 output_line_directive, macroexpand, macarg, change_newlines,
10024 initialize_builtins, make_definition): Constify a char*.
10026 * pcp.h (stringdef): Likewise.
10028 Sun Oct 24 13:29:28 1999 Richard Henderson <rth@cygnus.com>
10030 * unroll.c (copy_loop_body): Examine SET_DEST of single_set
10033 Sun Oct 24 13:14:20 1999 Graham <grahams@rcp.co.uk>
10034 Richard Henderson <rth@cygnus.com>
10036 * alias.c: Include ggc.h.
10037 (reg_base_value, new_reg_base_value, reg_base_value_size): Make static.
10038 (record_set): Verify enough room in reg_base_value.
10039 (init_alias_analysis): Allocate reg_base_value with xcalloc.
10040 Register it as a GC root.
10041 (end_alias_analysis): Free reg_base_value. Remove it as a GC root.
10042 * Makefile.in (alias.o): Depend on ggc.h.
10044 * unroll.c (unroll_loop): Verify the insn before a barrier
10045 is a JUMP_INSN before checking JUMP_LABEL.
10047 Sun Oct 24 15:46:44 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10049 * mips/bsd-5.h (ASM_OUTPUT_ASCII): Constify a char*.
10050 * mips/iris4.h (ASM_OUTPUT_ASCII): Likewise.
10051 * mips/mips-5.h (ASM_OUTPUT_ASCII): Likewise.
10052 * mips/mips.h (ASM_OUTPUT_ASCII): Likewise.
10053 * mips/svr3-5.h (ASM_OUTPUT_ASCII): Likewise.
10054 * mips/svr4-5.h (ASM_OUTPUT_ASCII): Likewise.
10056 Sun Oct 24 15:35:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10058 * output.h (ctors_section, dtors_section, bss_section): Prototype.
10060 * alpha/alpha-interix.h (text_section): Delete prototype.
10061 * alpha/elf.h (text_section): Likewise.
10062 * arm/linux-elf.h (text_section): Likewise.
10063 * arm/linux-telf.h (text_section): Likewise.
10064 * c4x/c4x.h (text_section): Likewise.
10065 * dsp16xx/dsp16xx.h (bss_section): Likewise.
10066 * elfos.h (text_section): Likewise.
10067 * i386/aix386ng.h (text_section): Likewise.
10068 * i386/i386-interix.h (text_section): Likewise.
10069 * i386/sco5.h (text_section): Likewise.
10070 * i386/svr3gas.h (text_section): Likewise.
10071 * nextstep.h (text_section): Likewise.
10072 * psos.h (text_section): Likewise.
10073 * ptx4.h (text_section): Likewise.
10074 * svr3.h (text_section): Likewise.
10075 * svr4.h (text_section, ctors_section, dtors_section): Likewise.
10077 Sun Oct 24 15:20:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10079 * final.c (peephole): Delete prototype.
10081 * gcse.c (process_insert_insn, pre_edge_insert): Add prototypes.
10082 (pre_insert_copies): Remove unused variable `bb'.
10084 * genrecog.c (debug_decision_0, debug_decision_list, main): Add
10087 * output.h (peephole): Add prototype.
10089 Sun Oct 24 11:35:30 1999 Mark P. Mitchell <mark@codesourcery.com>
10091 * config/mips/iris6.h (SUBTARGET_ASM_OPTIMIZING_SPEC): Define to
10094 Sat Oct 23 21:13:00 1999 Mark Mitchell <mark@codesourcery.com>
10096 * integrate.c (integrate_decl_tree): Tweak setting of DECL_CONTEXT
10097 for inlined declarations.
10099 Fri Oct 22 18:05:43 1999 Jeffrey A Law (law@cygnus.com)
10101 * arm.c (logical_binary_operator): New fucntion.
10102 * arm.h (logical_binary_operator): Declare it.
10103 (PREDICATE_CODES): Handle logical_binary_operator.
10104 * arm.md (anddi3, anddi_zesidi_di, anddi_sesdi_di): Use "#" for
10105 output constraints. Add appropriate splitters.
10106 (anddi_notdi_di, anddi_notzesidi_di, anddi_notsesidi_di): Likewise.
10107 (iordi3, iordi_zesidi_di, iordi_sesidi_di): Likewise.
10108 (xordi3, xordi_zesidi_di, xordi_sesidi_di): Likewise.
10110 Fri Oct 22 23:46:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10112 * genoutput.c (struct operand_data): New elt eliminable.
10113 (output_operand_data): Write it.
10114 (scan_operands): Set it for MATCH_OPERAND, clear for other matchers.
10115 (compare_operands): Take it into account.
10116 * recog.h (struct insn_operand_data): New elt eliminable.
10117 * reload1.c (check_eliminable_occurrences, elimination_effects): New
10119 (old_asm_operands_vec, new_asm_operands_vec): Delete.
10120 (eliminate_regs): Move code that detects changes to elimination
10121 target regs into new function elimination_effects.
10122 Delete one #if 0 block.
10123 Abort for USE, CLOBBER, ASM_OPERANDS and SET.
10124 (eliminate_regs_in_insn): Return immediately for USEs, CLOBBERs,
10125 ADDR_VECs, ADDR_DIFF_VECs and ASM_INPUTs.
10126 Only call eliminate_regs for real operands of the insn, not for parts
10127 of its structure or parts matched by things like match_operator.
10128 Use elimination_effects and check_eliminable_occurrences. Use
10129 copy_insn to duplicate the pattern when not in the final pass.
10131 Fri Oct 22 09:03:44 1999 Mark Mitchell <mark@codesourcery.com>
10133 * i386.md: Add missing `y' modifiers to uses of fst, fstp, fld,
10136 1999-10-22 Bruce Korb <autogen@linuxbox.com>
10138 * fixinc/README: document the "mach" machine matching test
10139 * fixinc/fixfixes.c: Implement the #else/#endif label fix
10140 * fixinc/fixtests.c: Implement the #else/#endif label test
10141 * fixinc/inclhack.def: utilize these tests and fixes
10142 * fixinc/inclhack.sh: regen
10143 * fixinc/fixincl.x: regen
10144 * fixinc/fixincl.sh: regen
10146 Thu Oct 21 20:37:19 1999 Jeffrey A Law (law@cygnus.com)
10148 * Makefile.in (cse.o): Depend on hashtab.h, not splay-tree.h. Also
10151 Thu Oct 21 20:30:19 1999 Matthias Klose <doko@debian.org>
10153 * gcc.1: Document exit codes.
10155 Thu Oct 21 12:49:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10157 * calls.c: Include tm_p.h later, so everything we need is defined.
10158 * expr.c: Likewise.
10159 * function.c: Likewise.
10161 * except.c: Include tm_p.h.
10163 * sparc.c: Likewise.
10164 (dwarf2out_cfi_label): Don't prototype.
10165 (check_return_regs, epilogue_renumber,
10166 ultra_cmove_results_ready_p, ultra_fpmode_conflict_exists,
10167 ultra_find_type, ultra_build_types_avail, ultra_flush_pipeline,
10168 ultra_rescan_pipeline_state, set_extends, ultra_code_from_mask,
10169 ultra_schedule_insn): Add static prototype.
10170 (data_segment_operand, text_segment_operand): Call itself with the
10171 proper number of arguments.
10172 (sparc_flat_save_restore, sparc_v8plus_shift): Constify a char*.
10174 * sparc.h: Move all declarations to sparc-protos.h.
10175 (SELECT_RTX_SECTION): Pass a missing MODE argument to
10178 * sparc/sysv4.h (SELECT_RTX_SECTION): Likewise.
10180 * config/svr4.h (text_section, ctors_section, dtors_section): Add
10182 (ASM_OUTPUT_SECTION_NAME, UNIQUE_SECTION,
10183 ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
10184 ASM_OUTPUT_ASCII): Constify a char*.
10186 * sparc-protos.h: New file for sparc prototypes.
10188 Thu Oct 21 12:23:40 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10190 * function.c (record_insns, contains): Always declare and define.
10191 (record_insns): Mark with ATTRIBUTE_UNUSED.
10193 Thu Oct 21 13:03:49 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
10195 * config/arm/telf.h (ASM_OUTPUT_SECTION_NAME): Add %nobits option
10196 to .section when outputting a .bss section to deal with multiple
10197 .bss input sections (as happens with -fdata-sections)
10198 Also output %progbits, not @progbits so the assembler doesn't treat as
10200 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Likewise
10202 * config/arm/lib1funcs.asm (_call_via_rX): Allow compilation of
10203 thumb parts even when building with non-thumb CPUs, by forcing
10206 Wed Oct 20 22:57:58 1999 Jeffrey A Law (law@cygnus.com)
10208 * sparc.md (movsf_const_intreg): If splitting, length must be > 1.
10209 (movdf_const_intreg_sp64): Similarly.
10211 * local-alloc.c (update_equiv_regs): Check the correct insn
10212 for pre-existing REG_EQUIV notes.
10214 Wed Oct 20 20:41:46 1999 Mark Mitchell <mark@codesourcery.com>
10216 * cse.c (cse_end_of_basic_block): Don't return the end of a basic
10217 block reached by a branch if we're not going to actually process
10220 Wed Oct 20 15:18:42 1999 Jim Wilson <wilson@cygnus.com>
10222 * integrate.c (integrate_decl_tree): Set DECL_CONTEXT to 0 if this is
10223 a local extern function declaration.
10225 Wed Oct 20 13:56:01 1999 Richard Henderson <rth@cygnus.com>
10227 * i386.c (ix86_expand_prologue): Properly wrap USE around
10228 reg for CALL_INSN_FUNCTION_USAGE.
10230 Thu Oct 14 18:51:37 1999 Andrew Haley <aph@cygnus.com>
10232 * config/mips/mips.md (movdf_internal1a): Allow floating-point
10233 move between GP_REGs.
10235 Wed Oct 20 15:36:11 1999 Andrew Haley <aph@cygnus.com>
10237 * config/arm/thumb.h (GO_IF_LEGITIMATE_ADDRESS): Take account of
10238 the mode size when finding out if an offset is legal.
10240 Wed Oct 20 06:26:58 1999 Richard Henderson <rth@cygnus.com>
10242 * basic-block.h (PROP_*): Move constants from ...
10243 * flow.c: ... here.
10244 (compute_bb_for_insn): Free the array before reallocating.
10245 (update_life_info): New arg PROP_FLAGS; pass on to propagate_block.
10246 (allocate_reg_life_data): Reset all reg variables collected by
10248 (get_block_head_tail): Don't convert from bb to block.
10249 (get_bb_head_tail): New. Update all callers of get_block_head_tail.
10250 (find_insn_reg_weight): Take block not bb.
10251 (schedule_block): Don't set block num for moved insns.
10252 (schedule_region): Don't update_life_info or find_insn_reg_weight.
10253 (schedule_insns): Do it here instead.
10254 * combine.c (combine_instructions): Invoke compute_bb_for_insn
10255 before update_life_info.
10256 * recog.c (split_all_insns, peephole2_optimize): Update for
10257 new arg to update_life_info.
10258 * rtlanal.c (remove_note): Cope with NULL note.
10259 * toplev.c (rest_of_compilation): Don't invoke recompute_reg_usage
10262 Wed Oct 20 10:46:41 1999 Richard Earnshaw (rearnsha@arm.com)
10264 * jump.c (jump_optimize_1): More accurately detect casesi insns.
10266 * flow.c (merge_blocks_move_predecessor_nojumps): Re-order the basic
10267 block records so that merge_blocks_nomove will clean up correctly.
10268 (split_edge): Handle casesi insns.
10270 * gcc-page.c: Try MAP_ANON if we don't have MAP_ANONYMOUS.
10272 Tue Oct 19 23:43:50 1999 Jeffrey A Law (law@cygnus.com)
10274 * pa.md (call, call_value): Do not emit a blockage after restoring
10277 Tue Oct 19 17:22:39 1999 Mark Mitchell <mark@codesourcery.com>
10279 * c-typeck.c (c_expand_asm_operands): Fix typo.
10281 Tue Oct 19 18:42:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10283 * arm.c (fpu_rhs_operand): Verify modes.
10284 (fpu_add_operand): Likewise.
10285 (di_operand): Likewise.
10286 (soft_df_operand): Likewise.
10288 Tue Oct 19 15:26:11 1999 Richard Earnshaw (rearnsha@arm.com)
10290 * arm.c (arm_return_in_memory): APCS rules state that the elements
10291 of a structure returned in a register must be 'integer-like'.
10293 1999-10-19 Bruce Korb <autogen@linuxbox.com>
10295 * fixinc/Makefile.in: Change the generation rules to run `genfixes'
10296 in the source tree when the generated targets are out of date
10297 * fixinc/genfixes: Alter it to run individual fixes for make.
10298 * fixinc/README: rewrite
10299 * fixinc/inclhack.def: moved initial comments to README
10301 Tue Oct 19 14:01:34 1999 Nick Clifton <nickc@cygnus.com>
10303 * toplev.c (main): Do not generate an error message if an
10304 unrecognised command line switch is recognisable by another
10305 language. If extra_warnings are enabled, then generate a
10306 warning message instead.
10308 Tue Oct 19 11:41:12 1999 Mumit Khan <khan@xraylith.wisc.edu>
10310 * c-pragma.h (PRAGMA_INSERT_ATTRIBUTES): Delete macro.
10311 (insert_pack_attributes): Delete prototype.
10313 * c-pragma.c (default_alignment): New static variable.
10314 (push_alignment): Initialize to current effective alignment.
10315 (pop_alignment): Use to set new alignment.
10316 (insert_pack_attributes): Delete function.
10317 (handle_pragma_token): Set default_alignment as well each time
10318 a #pragma pack(<n>) is encountered.
10320 Tue Oct 19 02:03:00 1999 Jeffrey A Law (law@cygnus.com)
10322 * reg-stack.c (stack_result): Aggregates are not returned in
10325 Tue Oct 19 01:26:48 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
10327 * fold-const.c (fold): Fix thinko in x+(-0) -> x transformation.
10329 Mon Oct 18 15:19:41 1999 Richard Henderson <rth@cygnus.com>
10331 * basic-block.h (set_block_num): Declare.
10332 * flow.c (update_life_info): Don't call compute_bb_for_insn
10333 or free_basic_block_vars.
10334 * haifa-sched.c (remove_dependence): Conditionalize on HAVE_cc0.
10335 (insn_orig_block): Remove.
10336 (INSN_BLOCK): Remove. Update all callers to use BLOCK_NUM.
10337 (schedule_block): Keep BLOCK_NUM up-to-date.
10338 (schedule_insns): Use compute_bb_for_insn.
10339 * recog.c (split_all_insns): Likewise.
10340 (peephole2_optimize): Likewise.
10342 Mon Oct 18 18:50:51 1999 Andreas Schwab <schwab@suse.de>
10344 * config/m68k/m68k.h (INITIAL_FRAME_POINTER_OFFSET): Add one word
10345 if the pic register is used.
10347 Mon Oct 18 02:38:46 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10349 * c-decl.c (pushdecl): Use TYPE_CONTEXT rather than TREE_PERMANENT.
10350 (finish_decl): Duplicate test for TREE_ASM_WRITTEN in else branch of
10351 if that tests TREE_PERMANENT.
10353 Mon Oct 18 01:41:35 1999 Jeffrey A Law (law@cygnus.com)
10355 * cse.c (invalidate_for_call): Do not remove memory references from
10356 the table here. It's handled elsewhere.
10358 * haifa-sched.c (add_dependence): Protect references to the
10359 true dependency cache with #ifdef INSN_SCHEDULING.
10360 (remove_dependence): Similarly.
10362 * mn10200.md (outline_epilogue_jump): Embed a (return) to indicate
10363 to the cfg code that this is a return instruction.
10364 * mn10300.md (return_internal): Similarly.
10366 * combine.c (get_last_value): If the last set of a register
10367 is after subst_low_cuid, then we can not use it to determine
10368 the register's last value.
10370 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
10372 * Makefile.in: Back out previous change.
10374 Sun Oct 17 15:22:50 1999 Jeffrey A Law (law@cygnus.com)
10376 * pa.c (move_operand): Reject (lo_sum (reg) (unspec ...)).
10378 * haifa-sched.c (add_dependence): Only check/update the cache
10380 (remove_dependence): Likewise.
10381 (schedule_insns): Only create the true_dependency_cache if the
10382 average number of instructions in a basic block is very large.
10384 Sun Oct 17 11:02:52 1999 Mark Mitchell <mark@codesourcery.com>
10386 * Makefile.in (ggc-common.o): Depend on genrtl.h.
10387 (ggc-simple.o): Likewise.
10388 (ggc-page.o): Likewise.
10390 Sun Oct 17 02:09:50 1999 Andrew MacLeod <amacleod@cygnus.com>
10392 * basic-block.h (pre_edge_lcm, pre_edge_rev_lcm, compute_available):
10393 Prototype for exported functions.
10394 (pre_lcm, pre_rev_lcm): Remove prototypes.
10395 * gcse.c (compute_ae_kill): Add ae_gen and ae_kill as parameters.
10396 (compute_available): Move to lcm.c, and change parameter order.
10397 (one_classic_gcse_pass): Call compute_ae_kill with parameters.
10398 (pre_insert, s_preds, s_succs, num_preds, num_succs): Delete.
10399 (gcse_main): No longer call compute_preds_succs. Rebuild the
10400 set table after reach pre pass.
10401 (pre_insert_map, pre_delete_map, edge_list): New.
10402 (alloc_pre_mem): Allocate edge vectors.
10403 (free_pre_mem): Delete edge vectors.
10404 (compute_pre_data): Call new edge based lcm routines.
10405 (process_insert_insn): New function.
10406 (insert_insn_end_bb): Use it.
10407 (pre_edge_insert): New function.
10408 (pre_insert_copy_insn): Formatting fixes. Update BLOCK_END as
10410 (pre_insert_copies): Revamp using new edge based lcm outputs.
10411 (pre_delete): Likewise.
10412 (one_pre_gcse_pass): Insert & remove fake edges to the exit
10414 (compute_code_hoist_vbeinout): New new edge based routines.
10415 * lcm.c: Remove all the old LCM functions. Replace with new ones
10416 that work with the new cfg datastructures and work with edges
10419 Sun Oct 17 00:44:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
10421 * reload.h (struct reload): Add new fields "mode" and "nregs".
10422 * reload1.c: Change all occurrences of reload_mode and reload_nregs
10423 to reference the "mode" and "nregs" field within struct reload.
10425 Sat Oct 16 21:50:28 1999 Jeffrey A Law (law@cygnus.com)
10427 * haifa-sched.c (true_dependency_cache): New.
10428 (add_dependence): Use the true dependency cache to avoid expensive
10429 walks down the LOG_LINKS dependency list. Add entries to the
10430 cache as necessary.
10431 (remove_dependence): Remove entries from the true dependency cache
10433 (schedule_insns): Allocate and initialize and free the true
10436 * haifa-sched.c (schedule_insns): Do not remove inter-block
10437 dependencies anymore.
10439 Sat Oct 16 11:19:52 1999 Richard Henderson <rth@cygnus.com>
10441 * i386/t-cygwin (winnt.o): Depend on RTL_H and TREE_H.
10442 * i386/t-winnt: Likewise.
10444 Sat Oct 16 11:11:54 1999 Richard Henderson <rth@cygnus.com>
10446 * ggc-page.c (init_ggc): Work around SunOS unaligned mmap bug.
10448 1999-10-16 Manfred Hollstein <mhollstein@cygnus.com>
10450 * Makefile.in (LANGUAGES): Omit "proto".
10451 (clean): Remove stale comment about removing unprotoize.c.
10453 Sat Oct 16 11:29:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10455 * protoize.c (safe_read, safe_write): Avoid the gcc extension of
10456 using arithmetic on void pointers.
10458 Sat Oct 16 02:48:22 1999 Jeffrey A Law (law@cygnus.com)
10460 * haifa-sched.c (compute_block_forward_dependencies): Only check
10461 for notes, deleted insns and duplicates if ENABLE_CHECKING is defined.
10463 Sat Oct 16 00:07:01 1999 Richard Henderson <rth@cygnus.com>
10465 * gcse.c (hash_expr_1): Add in MEM_ALIAS_SET.
10466 (expr_equiv_p): Reject memories with different alias sets.
10468 Fri Oct 15 15:17:29 1999 Greg McGary <gkm@gnu.org>
10470 * flags.h (flag_bounds_check, flag_bounded_pointers): New extern decls.
10471 * toplev.c (flag_bounds_check, flag_bounded_pointers): New flags.
10472 (f_options): Add "bounded-pointers" and "bounds-check" entries.
10473 * c-lang.c (lang_init_options): Set flag_bounds_check as "unspecified".
10474 (lang_init): Set default for flag_bounds_check if still "unspecified".
10476 Sat Oct 16 13:42:29 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10478 * config/c4x/c4x.md (HF mode patterns): Add missing modes.
10480 Sat Oct 16 13:37:46 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10482 * config/c4x/c4x.md (movstrqi_small): Utilise parallel move
10485 Sat Oct 16 13:26:47 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10487 * config/c4x/c4x.md (*db_noclobber,
10488 *decrement_and_branch_until_zero_noclobber): New patterns and
10489 associated splitters.
10491 Sat Oct 16 13:13:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10493 * config/c4x/c4x.md (parallel instruction patterns): Rework
10494 constraints to keep reload happy.
10496 Sat Oct 16 13:03:16 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10498 * config/c4x/c4x.md (*absqi2_noclobber, *negqi2_noclobber,
10499 *one_cmplqi2_noclobber, *subqi3_noclobber, *andqi3_255_noclobber,
10500 *andqi3_65535_noclobber, *andnqi3_noclobber, *xorqi3_noclobber):
10501 Add new patterns and associated post-reload splitters.
10503 Sat Oct 16 12:42:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10505 * config/c4x/c4x.c (c4x_emit_libcall): Use ggc_alloc_string.
10507 Sat Oct 16 12:34:44 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10509 * config/c4x/c4x.c (c4x_rptb_insert): Emit rpts_top pattern
10511 * config/c4x/c4x.md (rpts_top): New pattern and splitter.
10513 Sat Oct 16 12:26:30 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10515 * config/c4x/c4x.c (src_operand): Check SYMBOL_REF and LABEL_REF
10518 Fri Oct 15 17:02:09 1999 Jeffrey A Law (law@cygnus.com)
10520 * pa.c (move_operand): Rely on memory_address_p to determine the
10521 validity of non-indexed memory addresses.
10522 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Allow LO_SUM with a symbolic
10523 operand in DFmode and SFmode when generating PA2.0 code.
10525 Fri Oct 15 14:25:19 1999 Richard Henderson <rth@cygnus.com>
10527 * print-rtl.c (print_rtx): Limit last 'u' change to LABEL_REF.
10529 Fri Oct 15 13:48:45 1999 Richard Henderson <rth@cygnus.com>
10531 * mips.c (function_prologue): Fix argument types.
10532 * mips.md (casesi): Use emit_jump_insn for casesi_internal.
10533 (casesi_internal): Write to the scratch register.
10535 1999-10-15 11:16 -0700 Zack Weinberg <zack@bitmover.com>
10537 * cppexp.c (cpp_parse_escape): Make static. Change second arg
10539 (parse_charconst): Delete unnecessary cast when calling
10541 (cpplib.h): Kill prototype of cpp_parse_escape.
10543 Fri Oct 15 11:02:46 1999 Richard Henderson <rth@cygnus.com>
10545 Based on patch from Michael Gschwind <mikeg@watson.ibm.com>:
10546 * unroll.c (unroll_loop): Cast return value of alloca.
10547 * i370/i370.c: Include function.h and toplev.h.
10548 (i370_label_scan): Remove c++ commented abort.
10549 * i370/i370.h (HANDLE_PRAGMA): Takes three arguments.
10550 (ASM_OUTPUT_LABELREF): Fix TOUPPER/else broken 16 Sept.
10551 * i370/xm-i370.h (HOST_BITS_PER_LONGLONG): Define.
10552 * i370/xm-mvs.h, i370/xm-oe.h: Likewise.
10554 Fri Oct 15 03:01:01 1999 Loren Rittle <ljrittle@acm.org>
10556 * config/t-freebsd: Do not override USER_H.
10557 * ginclude/stddef.h: Generalize check for _MACHINE_ANSI_H_.
10559 Fri Oct 15 02:37:28 1999 Alastair J. Houghton <ajh8@doc.ic.ac.uk>
10560 Mumit Khan <khan@xraylith.wisc.edu>
10562 * c-parse.in (component_decl): Support anonymous struct/union.
10564 * c-parse.y: Regenerate.
10565 * c-parse.c: Likewise.
10566 * objc/objc-parse.y: Likewise.
10567 * objc/objc-parse.c: Likewise.
10568 * c-decl.c (finish_struct): Don't sort the fields.
10569 (field_decl_cmp): Delete unused function.
10571 Fri Oct 15 01:20:52 1999 Richard Henderson <rth@cygnus.com>
10573 * sparc.md (movsf_const_intreg): Revert last constraint change.
10574 (movdf_const_intreg_sp32): Likewise.
10576 Fri Oct 15 01:47:51 1999 Vladimir Makarov <vmakarov@loony.cygnus.com>
10578 * cse.c: Include hashtab.h instead of splay-tree.h
10579 (struct cse_reg_info): No longer use variant union. Add new
10580 field "regno". All references changed to avoid union.
10581 (cse_reg_info_used_list, cse_reg_info_used_list_end): New variables.
10582 (free_cse_reg_info): Remove.
10583 (hash_cse_reg_info, cse_reg_info_equal_p): New functions.
10584 (get_cse_reg_info): Revamp to use expandable hash tables instead
10585 of splay trees. Initialize new fields in cse_reg_info structure.
10586 (new_basic_block): Similarly.
10588 Thu Oct 14 23:51:56 1999 Richard Henderson <rth@cygnus.com>
10590 * genrecog.c (message_with_line): Prototype.
10591 (validate_pattern): Pass along the set for the dest, not a flag.
10592 Fix non-lvalue message. Don't warn for VOIDmode SET_DEST of CALL.
10593 Check for PC/CC0 as sources.
10594 (nodes_identical): Check for children position match before
10595 allowing the combination.
10597 * rtl.c (read_rtx): Track line number across \\\n.
10599 Thu Oct 14 23:50:25 1999 Richard Henderson <rth@cygnus.com>
10601 * mips.h (SPECIAL_MODE_PREDICATES): New.
10602 * mips.md (*) Use nonimmediate_operand not general_operand for outputs.
10603 (movdi+1, movsi+1): Add output reload constraint.
10604 (casesi_internal): Likewise. Fix commentary.
10605 (return_internal): Use pmode_register_operand.
10607 Thu Oct 14 23:19:34 1999 Richard Henderson <rth@cygnus.com>
10609 * 1750a.md (movstrqi): Add missing output reload constraint.
10610 (call_value): Likewise.
10611 * a29k.md (cpxxx patterns): Add missing match_operator mode.
10612 (jmpfdec): Add missing inout reload constraint.
10613 * elxsi.md (addsi patterns): Add missing output reload constraint.
10614 (move from sp): Use @ alternates.
10615 (call_value): No constraint on output.
10616 * fr30.md (movsi_pop): Add missing output reload constraint.
10617 (movsf_constant_store): Likewise.
10618 (splits): Remove constraints.
10619 (subsi3): Add missing mode.
10620 * i370.md (cmpstrsi+1): Add missing output reload constraint.
10621 (call_value): Likewise.
10622 * i960.md (cmpinc/cmpdec patterns): Add inout reload constraints.
10623 * m32r.h (PREDICATE_CODES): Add seth_add3_operand.
10624 * m32r.md (movsicc_internal): Add output reload constraint.
10625 (movstrsi_internal): Add inout reload constraints.
10626 * m88k.h (reg_names): Don't declare.
10627 (SPECIAL_MODE_PREDICATES): New.
10628 * m88k.md (*): Use register_operand not reg_or_0_operand
10630 * mn10200.h (PREDICATE_CODES): New.
10631 * ns32k.md (ffs pattern): Add output reload constraint.
10632 * pdp11.md (sob pattern): Add inout reload constraint.
10633 * sh.md (splits): Remove constraints.
10634 (indirect_jump_scratch, fpu_switch): Add output reload constraint.
10635 * v850.md (pattern_is_ok_for_epilogue): Likewise.
10636 * vax.md (jgequ pattern): Add inout reload constraint.
10638 Fri Oct 15 00:05:00 1999 Jeffrey A Law (law@cygnus.com)
10640 * configure.in (djgpp): Revert previous patch.
10641 * configure: Rebuit.
10642 * config/i386/djgpp.h: Revert previous patch.
10644 Fri Oct 15 00:00:24 1999 Loren J. Rittle <ljrittle@acm.org>
10646 * fixinc/inclhack.def: Restore patch lost during last merge of
10647 "no_bogosity" branch.
10648 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
10650 Thu Oct 14 23:57:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
10652 * fixincludes: Add a HPUX 11 fix for inttypes.h.
10653 * fixinc/inclhack.def: Same.
10654 * fixinc/inclhack.sh, fixinc/fixincl.sh, fixinc/fixincl.x: Regenerate.
10656 Thu Oct 14 22:51:55 1999 Richard Henderson <rth@cygnus.com>
10658 * alpha.h (GO_IF_LEGITIMATE_SIMPLE_ADDRESS): Accept ADDRESSOF
10659 as the base of a PLUS.
10661 Fri Oct 15 18:36:07 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10663 * config/c4x/c4x.md: Define mode for remaining unspec operators.
10664 * config/c4x/c4x.c (dst_operand): Use nonimmediate_operand.
10666 Thu Oct 14 22:14:23 1999 Richard Henderson <rth@cygnus.com>
10668 * pa.md (post_stw+1): Use pmode_register_operand.
10669 (dcacheflush, icacheflush): Likewise.
10671 * i386.md (movstricthi_1): Allow r/r.
10673 Thu Oct 14 19:44:08 1999 Jan Hubicka <hubicka@freesoft.cz>
10675 * fold-const.c (fold): Convert (or (not arg0) (not arg1))
10676 to (not (and (arg0) (arg1))). Similary for and.
10678 * fold-const.c (fold): Move bit_rotate code to the EXPR_PLUS case,
10679 fallthrough to associate code.
10680 Convert XOR to OR in code like (a&c1)^(a&c2) where c1 and c2 don't have
10683 * combine.c (simplify_logical): Convert XOR to IOR if operands have
10684 no bits in common; remove XOR to ROTATE conversion.
10686 Fri Oct 15 17:40:11 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10688 * config/c4x/c4x.h (c4x_va_start, c4x_va_arg): Declare.
10690 Fri Oct 15 17:27:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10692 * config/c4x/c4x.c (dst_operand): New.
10693 (PREDICATE_CODES): Update.
10694 * config/c4x/c4x.h (dst_operand): Declare it.
10695 * config/c4x/c4x.md: Define mode for each unspec usage.
10696 (move patterns): Use dst_operand predicate instead of src_operand.
10697 (movqi_update, movqf_update): Delete.
10699 Thu Oct 14 18:48:54 1999 Richard Henderson <rth@cygnus.com>
10701 * recog.c (pmode_register_operand): New.
10702 * recog.h: Declare it.
10703 * genrecog.c (pred_codes): Likewise.
10704 (special_mode_pred_table): Likewise.
10705 (validate_pattern): Don't warn no mode for address_operand.
10707 * print-rtl.c (print_rtx) [LABEL_REF]: Only do full subexpression
10708 if the operand is not insn-like.
10710 Thu Oct 14 19:38:42 1999 Jeffrey A Law (law@cygnus.com)
10711 Sylvian Pion <Sylvain.Pion@sophia.inria.fr>
10713 * fold-const.c (fold): Handle more simplifications allowed by IEEE.
10715 Thu Oct 14 17:30:14 1999 Richard Henderson <rth@cygnus.com>
10717 * sparc.md (*): Use {nonimmediate,register}_operand as appropriate
10718 instead of general_operand in a SET_DEST. Use const_double_operand
10719 instead of an explicit test against CONST_DOUBLE.
10720 (movsf_const_lo): Add missing register mode.
10721 (goto_handler_and_restore): Add auxiliary test for Pmode.
10722 (flush): Adjust to use address_operand.
10723 (return_sf_no_fpu): Add missing output constraint.
10725 Thu Oct 14 17:21:26 1999 Richard Henderson <rth@cygnus.com>
10727 * rs6000.md (call_value_indirect_aix32): Use wildcard match_operand
10728 for call return value.
10729 (call_value_indirect_aix64, call_value_indirect_nt): Likewise.
10731 Thu Oct 14 13:54:25 1999 Jason Merrill <jason@yorick.cygnus.com>
10733 * toplev.c (main): Only warn about options for other languages.
10734 * collect2.c (main): Pass -w to sub-gcc.
10736 Thu Oct 14 16:27:50 1999 Richard Henderson <rth@cygnus.com>
10738 * flow.c (propagate_block): Add call-clobbered registers to
10741 * flow.c (propagate_block): Use free_EXPR_LIST_list instead of
10742 zapping mem_set_list.
10743 (invalidate_mems_from_autoinc): Use free_EXPR_LIST_node.
10744 (mark_set_1, mark_used_regs): Likewise.
10746 Thu Oct 14 10:51:49 1999 Richard Henderson <rth@cygnus.com>
10748 * m68k.md (zero_extendsidi2): Add missing output reload constraint.
10750 Wed Oct 13 00:09:18 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10752 * invoke.texi: Label -Wbad-function-cast, -Wmissing-prototypes,
10753 -Wnested-externs, -Wstrict-prototypes, and -Wtraditional as C only
10754 options. Also add a new item "C-only Warning Options" to the
10757 1999-10-14 Gavin Romig-Koch <gavin@cygnus.com>
10759 * libgcc2.c (__do_global_dtors): Protect __deregister_frame_info
10760 from multiple calls.
10762 Thu Oct 14 04:54:54 1999 Richard Henderson <rth@cygnus.com>
10764 * i386.md (call value patterns): Move to the end of the file.
10765 (prologue_set_got, prologue_get_pc): Use register_operand for op 0.
10767 1999-10-14 Mark Elbrecht <snowball3@bigfoot.com>
10769 * configure.in (djgpp configuration): Define extra_objects..
10770 * configure: Rebuilt.
10771 * config/i386/djgpp.h (CTORS_SECTION_ASM_OP): Define.
10772 (DTORS_SECTION_ASM_OP): Define.
10773 (INIT_SECTION_ASM_OP): Define.
10774 (FINI_SECTION_ASM_OP): Define.
10775 (DATA_SECTION_ASM_OP): Define.
10776 (TEXT_SECTION_ASM_OP): Define.
10777 (EH_FRAME_SECTION_ASM_OP): Define.
10778 (LINK_COMMAND_SPEC): Remove -Tdjgpp.djl.
10779 (STARTFILE_SPEC): Add crtbegin.o.
10780 (ENDFILE_SPEC): Define and add crtend.o. Move argument -Tdjgpp.djl
10781 to here from LINK_COMMAND_SPEC.
10782 (DO_GLOBAL_CTORS_BODY): Define.
10783 (CRTSTUFF_USE_FINI_SECTION): Define
10784 (HAS_INIT_SECTION): Delete.
10786 Thu Oct 14 05:08:14 1999 Andreas Schwab <schwab@suse.de>
10788 * Makefile.in (all.cross): Depend on xcpp$(exeext).
10790 Thu Oct 14 04:00:40 1999 Richard Henderson <rth@cygnus.com>
10792 * pa.h (PREDICATE_CODES): New.
10794 * genrecog.c (validate_pattern): Condense the destination
10795 non-lvalue message.
10797 Thu Oct 14 03:23:08 1999 Richard Henderson <rth@cygnus.com>
10799 * alpha.md (call-1): Supply missing mode for operator.
10800 (*): Add missing output reload constraints. Remove constraints
10801 from define_splits.
10803 * i386.h (SPECIAL_MODE_PREDICATES): New.
10804 * i386.md (movstricthi_1): Use nonimmediate_operand for op 0.
10805 (movqi_1, movdi_1, movdi_2, some splits): Likewise.
10806 (addsi_lea_3): Add missing mode for op 3.
10807 (prologue_set_got, prologue_get_pc): Add missing modes.
10808 (*) Add missing output reload constraints.
10810 Thu Oct 14 03:59:57 1999 Stephane Carrez <stcarrez@worldnet.fr>
10812 * stor-layout.c (layout_union): Use HOST_WIDE_INT for const_size;
10813 check for member bit-size overflow and use var_size if it occurs.
10814 (layout_record): Use bitsize_int() to define the type size in bits.
10815 Likewise for computation and assignment to DECL_FIELD_BITPOS.
10816 (layout_decl): Likewise when assigning to DECL_SIZE.
10818 Thu Oct 14 02:57:05 1999 Richard Henderson <rth@cygnus.com>
10820 * genrecog.c (validate_pattern): Typo last change. Verify
10821 that output operands have output reloads.
10823 Thu Oct 14 01:49:54 1999 Richard Henderson <rth@cygnus.com>
10825 * genrecog.c (special_mode_pred_table): New.
10826 (NUM_SPECIAL_MODE_PREDS): New.
10827 (find_operand): New.
10828 (validate_pattern): New argument `insn'. Warn for assignment to
10829 any predicate accepting non-lvalues. Conditionaly warn for
10830 match_operand without a mode. Try much harder to match source
10831 and destination modes on a set.
10832 * tm.texi (SPECIAL_MODE_PREDICATES): Document.
10834 Thu Oct 14 02:54:13 1999 Jeffrey A Law (law@cygnus.com)
10836 * fold-const.c (fold): Detect rotates built from BIT_XOR_EXPRs.
10838 Thu Oct 14 02:18:19 1999 Marc Espie <espie@cvs.openbsd.org>
10840 * combine.c (simplify_logical): Recognize xor pattern that encodes
10843 Wed Oct 13 23:23:45 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10845 * rs6000.c (expand_block_move): Use INTVAL, not XINT to access
10848 Wed Oct 13 21:47:18 1999 Richard Henderson <rth@cygnus.com>
10850 * ggc-page.c (MAP_FAILED): Provide default.
10852 Wed Oct 13 21:41:59 1999 Richard Henderson <rth@cygnus.com>
10854 * sparc.c (symbolic_operand): Verify mode; don't accept CONST_DOUBLE.
10855 * sparc.h (PREDICATE_CODES): Update.
10857 Wed Oct 13 21:18:17 1999 Richard Henderson <rth@cygnus.com>
10859 * alpha.c (some_ni_operand): New.
10860 * alpha-protos.h: Declare it.
10861 * alpha.h (PREDICATE_CODES): Update.
10862 * alpha.md (sXaddq reload insns): Use some_ni_operand
10863 for SET_DEST instead of some_operand.
10865 Wed Oct 13 21:04:45 1999 Richard Henderson <rth@cygnus.com>
10866 Jim Wilson <wilson@cygnus.com>
10868 * genrecog.c (maybe_both_true_2): Don't compare modes of
10870 (process_tree): Elide peephole2_insns. Invoke simplify_tests
10871 after find_afterward.
10872 (debug_decision_1): Dump next and afterward codes.
10874 Wed Oct 13 20:35:16 1999 Richard Henderson <rth@cygnus.com>
10876 * rtl.c (dump_and_abort): Remove.
10877 (fatal_with_file_and_line): New.
10878 (fatal_expected_char): New.
10879 (read_rtx_lineno, read_rtx_filename): New.
10880 (read_skip_spaces): Track line number.
10881 (read_name): Use fatal_with_file_and_line.
10882 (read_rtx): Use fatal_expected_char. Track line number.
10883 * rtl.h (read_rtx_filename, read_rtx_lineno): Declare.
10885 * print-rtl.c (print_rtx): Don't special case LABEL_REF argument
10886 if it isn't a CODE_LABEL.
10888 * genattr.c (main): Set read_rtx_filename.
10889 * genattrtab.c (main): Likewise.
10890 * gencodes.c (main): Likewise.
10891 * genconfig.c (main): Likewise.
10892 * genemit.c (main): Likewise.
10893 * genextract.c (main): Likewise.
10894 * genflags.c (main): Likewise.
10895 * genopinit.c (main): Likewise.
10896 * genoutput.c (main): Likewise.
10897 * genpeep.c (main): Likewise.
10899 * genrecog.c (decision_test.u.insn): Add `lineno'.
10900 (pattern_lineno, error_count): New variables.
10901 (message_with_line): New.
10902 (add_to_sequence): Break out checking code to ...
10903 (validate_pattern): ... here. Detect SET_DEST matching CONST_INT.
10904 (merge_insn): Use message_with_line.
10905 (make_insn_sequence): Use validate_pattern. Record insn lineno.
10906 (main): Set read_rtx_filename, pattern_lineno. Exit early on error.
10908 Wed Oct 13 22:01:35 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
10910 * expr.c (store_constructor): Clear union if constructor is empty.
10912 Wed Oct 13 15:19:04 1999 Jim Wilson <wilson@cygnus.com>
10914 * config/rs6000/sysv4.h (CC1_SPEC): Fix errors from Jan 19 change.
10915 Add !endian checks. Change %{...} to %(...).
10917 Wed Oct 13 13:30:34 1999 Richard Henderson <rth@cygnus.com>
10919 * i386.md (*addsi3_cc): Renamed from addcsi3.
10920 (*addsi3_carry): Renamed from addxsi3.
10921 (*subsi3_cc): Renamed from subcsi3.
10922 (*subsi3_carry): Renamed from subxsi3.
10923 (*xorqi_cc_1): Renamed from xorcqi_1.
10924 (xorqi_cc_ext_1): Renamed from xorcqi_ext_1.
10925 * i386.c (ix86_expand_fp_compare): Update for xorqi_cc_ext_1.
10927 Wed Oct 13 13:10:46 1999 Richard Henderson <rth@cygnus.com>
10929 * Makefile.in (ggc-common.o): Depend on RTL_H not RTL_BASE_H.
10930 (ggc-simple.o, ggc-page.o, ggc-none.o, ggc-callbacks.o): Likewise.
10932 1999-10-13 Brendan Kehoe <brendan@cygnus.com>
10934 * regmove.c (optimize_reg_copy_3): Make sure P is non-nil as we
10935 climb up the chain of insns.
10937 Wed Oct 13 10:20:58 1999 Richard Henderson <rth@cygnus.com>
10939 * genrecog.c (write_subroutine): Careful for null trees.
10940 (process_tree): Don't elide empty functions.
10942 Wed Oct 13 10:07:54 1999 Richard Henderson <rth@cygnus.com>
10944 * Makefile.in (genrtl.o): Depend on ggc.h.
10945 * configure.in (valloc): Probe for it.
10946 (with-gc): Use ggc-page if valloc present.
10947 * ggc-common.c (ggc_mark_rtx_children): Use ggc_mark_if_gcable.
10948 (ggc_mark_rtvec_children): New from corpse of ggc_mark_rtvec.
10949 (ggc_alloc_string): Moved from ggc-page.c.
10950 * ggc-none.c (ggc_alloc_obj): New.
10951 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove.
10952 * ggc-page.c (sys/mman.h): Only include if HAVE_MMAP.
10953 (struct globals): Likewise for dev_zero_fd.
10954 (init_ggc): Likewise for it's initialization.
10955 (ggc_allocated_p): Move careful dereference from ...
10956 (ggc_lookup_page_table): ... here. Delete.
10957 (lookup_page_table_entry): Don't use ggc_lookup_page_table.
10958 (alloc_anon): Use valloc if no mmap.
10959 (release_pages): Use free if using valloc.
10960 (ggc_alloc_obj): Renamed from alloc_obj.
10961 (ggc_set_mark): Renamed from mark_obj.
10962 (ggc_mark_if_gcable): Renamed from ggc_mark_string_if_gcable.
10963 (ggc_alloc_rtx, ggc_alloc_rtvec): Delete.
10964 (ggc_alloc_tree, ggc_alloc_string, ggc_alloc): Delete.
10965 (ggc_set_mark_rtx, ggc_set_mark_rtvec): Delete.
10966 (ggc_set_mark_tree, ggc_mark_string, ggc_mark): Delete.
10967 (ggc_collect): Use fp printing instead of our own rounding.
10968 * ggc-simple.c (IS_MARKED, IGNORE_MARK): Delete.
10969 (GGC_STRING_MAGIC, GGC_STRING_MAGIC_MARK): Delete.
10970 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): Delete.
10971 (struct ggc_rtx, struct ggc_rtvec, struct ggc_tree): Delete.
10972 (struct ggc_string, struct ggc_any): Delete.
10973 (offsetof): Provide default definition.
10974 (GGC_BALANCE, GGC_ALWAYS_COLLECT, GGC_ALWAYS_VERIFY): New.
10976 (struct ggc_mem): New, from corpse of ggc_any.
10977 (struct ggc_status): Delete.
10978 (ggc_chain, ggc_allocated_strings, ggc_strings_used): Delete.
10979 (n_rtxs_collected, n_vecs_collected, n_trees_collected): Delete.
10980 (n_strings_collected, n_anys_collected): Delete.
10981 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Delete.
10982 (ggc_alloc_string, ggc_alloc): Delete.
10983 (ggc_free_rtx, ggc_free_rtvec, ggc_free_tree): Delete.
10984 (ggc_free_string, ggc_free_any): Delete.
10985 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Delete.
10986 (ggc_compare_addresses, ggc_mark_string): Delete.
10987 (ggc_mark_string_if_gcable, ggc_mark): Delete.
10988 (search_data): Delete.
10989 (struct globals): New.
10990 (GGC_MIN_EXPAND_FOR_GC, GGC_MIN_LAST_ALLOCATED): New.
10991 (tree_insert, tree_lookup): New.
10992 (ggc_alloc_obj, ggc_set_mark, ggc_mark_if_gcable): New.
10993 (clear_marks, sweep_objs): New.
10994 (ggc_collect): Gut. Use clear_marks, sweep_objs.
10995 (init_ggc): Set allocated_last_gc.
10996 (ggc_push_context): Gut. Use G.context.
10997 (ggc_pop_context): Likewise.
10998 (ggc_pop_context_1): New.
10999 (debug_ggc_tree): New.
11000 (debug_ggc_balance, tally_leaves): New.
11001 * ggc.h (ggc_mark_rtvec, ggc_mark_string, ggc_mark): Remove decl.
11002 (ggc_mark_string_if_gcable): Remove decl.
11003 (ggc_mark_rtx, ggc_mark_tree): Use ggc_set_mark.
11004 (ggc_mark_rtvec_children): New.
11005 (ggc_mark_rtvec, ggc_mark_string, ggc_mark): New.
11006 (ggc_mark_if_gcable): New decl.
11007 (ggc_alloc_rtx, ggc_alloc_rtvec): Remove decl.
11008 (ggc_alloc_tree, ggc_alloc): Likewise.
11009 (ggc_set_mark_rtx, ggc_set_mark_rtvec, ggc_set_mark_tree): Likewise.
11010 (ggc_alloc_obj): New decl.
11011 (ggc_alloc_rtx, ggc_alloc_rtvec): New macros.
11012 (ggc_alloc_tree, ggc_alloc): Likewise.
11013 (ggc_set_mark): New decl.
11014 * rtl.h (struct rtx_def): Remove gc_mark.
11015 (struct rtvec_def): Likewise.
11016 * tree.h (struct tree_common): Likewise.
11018 Wed Oct 13 01:44:29 1999 Carol LePage <carolo@hal.com>
11020 * configure.in (sparc-hal-solaris2*): Fix xm_file, xm_defines,
11021 float_format and thread_file definitions.
11022 * configure: Rebuilt.
11024 Wed Oct 13 09:25:03 1999 Niels Möller <nisse@lysator.liu.se>
11026 * extend.texi (Function Names): Document types of function names.
11028 Wed Oct 13 00:45:04 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11030 * reload1.c (reload_reg_free_for_value_p): RELOAD_OTHER reloads with
11031 an earlyclobbered output conflict with RELOAD_INPUT reloads.
11033 Tue Oct 12 23:28:28 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11035 * sh.h (BOOL_TYPE_SIZE): Don't use INT_TYPE_SIZE / CHAR_TYPE_SIZE.
11037 Tue Oct 12 23:19:32 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11039 * sh.h (REGISTER_MOVE_COST): Change PR_REG to PR_REGS.
11041 Tue Oct 12 17:09:38 1999 David Edelsohn <edelsohn@gnu.org>
11043 * collect2.c (main): Do prelimnary link on AIX if rflag.
11045 Tue Oct 12 09:45:19 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
11047 * config/rs6000/eabi-ctors.c (__do_global_ctors): Run through
11048 __CTOR_LIST__ in opposite order, which is the correct order for sorted
11050 (__do_global_dtors): similarly for __DTOR_LIST__.
11052 Fri Oct 8 19:46:03 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
11053 Diego Novillo <dnovillo@cygnus.com>
11055 * config/sh/sh.h (REGISTER_MOVE_COST): Handle moves from T_REGS to
11058 Tue Oct 12 07:38:41 1999 Bruce Korb <autogen@linuxbox.com>
11060 * fixincl/*: Merged "no_bogosity" branch
11061 * fixincl/fixlib.h: protect against doubly defining t_bool
11062 * fixincl/server.h: protect against doubly defining t_bool
11064 Mon Oct 11 20:18:41 1999 Jim Wilson <wilson@cygnus.com>
11066 * genoutput.c: Include toplev.h.
11068 Mon Oct 11 18:56:14 1999 Jim Wilson <wilson@cygnus.com>
11070 * config/sparc/liteelf.h (INIT_SECTION_ASM_OP, FINI_SECTION_ASM_OP):
11072 * configure.in (sparclite-*-elf, sparc86x-*-elf): Don't use libgloss.h.
11073 * configure: Regenerate.
11075 Mon Oct 11 16:07:49 1999 Richard Henderson <rth@cygnus.com>
11077 * gcse.c (delete_null_pointer_checks): Returns void.
11079 Mon Oct 11 20:31:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11081 * rtl.c (copy_rtx): Don't use accessor macros to copy fields.
11082 * emit-rtl.c (copy_insn_1): Likewise.
11084 Mon Oct 11 13:29:06 1999 Geoffrey Keating <geoffk@cygnus.com>
11086 * config/mips/mips.c (mips_build_va_list): Correct
11087 TREE_CHAIN setting when hard-float.
11088 (mips_va_start): Use corrected setting.
11089 (mips_va_arg): Likewise. Also pass a tree to build of
11090 POSTINCREMENT_EXPR rather than a naked 'int'.
11092 Sun Oct 10 18:27:27 1999 Mark Mitchell <mark@codesourcery.com>
11094 * ggc.h (ggc_push_context): Fix comment.
11095 (ggc_pop_context): Likewise.
11096 (mark_string_if_gcable): Likewise.
11097 * ggc-common.c (ggc_mark_rtx_children): Use
11098 ggc_mark_string_if_gcable.
11099 * ggc-page.c (ggc_lookup_page_table): New function.
11100 (ggc_allocated_p): Likewise.
11101 (mark_obj): Fix formatting.
11102 (ggc_mark_string_if_gcable): New function.
11103 * ggc-simple.c (ggc_allocated_strings): New variable.
11104 (ggc_strings_used): Likewise.
11105 (ggc_compare_addresses): New function.
11106 (ggc_pop_context): Pop the `any' memory too.
11107 (ggc_mark_string_if_gcable): New function.
11108 (ggc_collect): Initialize and tear down ggc_allocated_strings.
11110 Sun Oct 10 20:05:21 1999 David Edelsohn <edelsohn@gnu.org>
11112 * rs6000.md (movstrsi_?reg): Use preferred rD/rS = r5 form.
11113 (scc patterns): Disable most SImode variants if TARGET_POWERPC64.
11114 * rs6000.c (expand_block_move): Match movstrsi_?reg register
11117 Sun Oct 10 16:37:01 1999 Richard Henderson <rth@cygnus.com>
11119 * haifa-sched.c (sched_reg_n_calls_crossed): Delete.
11120 (sched_reg_live_length, sched_reg_basic_block): Delete.
11121 (current_block_num, bb_live_regs, old_live_regs): Delete.
11122 (dead_notes, struct sometimes): Delete.
11123 (sched_note_set, birthing_insn_p): Delete.
11124 (adjust_priority): Gut useless reg lifetime code.
11125 (create_reg_dead_note, attach_deaths): Delete.
11126 (attach_deaths_insn, new_sometimes_live): Delete.
11127 (finish_sometimes_live): Delete.
11128 (find_pre_sched_live, find_post_sched_live): Delete.
11129 (update_reg_usage): Delete.
11130 (find_insn_reg_weight): New, from corpse of find_pre_sched_live.
11131 (schedule_insns): Delete reg lifetime code.
11132 (sched_analyze): Use REG_SAVE_NOTE to stuff NOTE_INSN notes away.
11133 (unlink_other_notes): Adjust REG_NOTE commentary.
11134 (reemit_notes): Use REG_SAVE_NOTE.
11135 (schedule_block): Likewise.
11136 (schedule_region): Allocate bitmap of blocks in region. Use
11137 count_or_remove_death_notes. Use update_life_info.
11139 * rtl.h (REG_SAVE_NOTE): New.
11140 * rtl.c (reg_note_name): Update.
11142 Sun Oct 10 16:14:16 1999 Richard Henderson <rth@cygnus.com>
11144 * combine.c (refresh_blocks, need_refresh): New.
11145 (combine_instructions): Allocate refresh_blocks. Invoke
11146 update_life_info if needed.
11147 (distribute_notes): Mark refresh_blocks instead of installing
11149 * flow.c (update_life_info): Remove notes if GLOBAL_RM_NOTES.
11150 * basic_block.h (enum update_life_extent): Add GLOBAL_RM_NOTES.
11152 * Makefile.in (recog.o): Depend on basic-block.h.
11154 Sun Oct 10 12:03:21 1999 Richard Henderson <rth@cygnus.com>
11156 * genrecog.c (add_to_sequence): Thinko last change: delete
11157 shadowing allow_const_int variable.
11159 Sun Oct 10 08:40:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11161 * cppinit.c: Use HAVE_GCC_VERSION instead of explicitly testing
11162 __GNUC__ and __GNUC_MINOR__.
11164 * gansidecl.h: Likewise.
11170 * toplev.h: Likewise.
11172 * tree.c: Likewise.
11174 * tree.h: Likewise.
11176 * varray.c: Likewise.
11178 * varray.h: Likewise.
11180 Sun Oct 10 13:28:48 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11182 * loop.c (find_and_verify_loops): When looking for a BARRIER, don't
11183 use one before a jump table.
11185 * rtl.def (ADDRESS): Change documentation to match reality.
11186 * md.texi: Don't document it.
11187 * gmicro.md (load address pattern): Use 'p' constraint, delete use
11190 * emit-rtl.c (copy_insn_1): Make format_ptr a const char *.
11192 Sun Oct 10 02:41:41 1999 Richard Henderson <rth@cygnus.com>
11194 * genrecog.c (add_to_sequence): Move allow_const_int test outside
11195 known predicate block; default allow_const_int true.
11196 (debug_decision_list): New.
11198 Sun Oct 10 00:43:08 1999 Richard Henderson <rth@cygnus.com>
11200 * i386.h (CC1_SPEC): Typo -- use cc1_cpu.
11202 Sat Oct 9 23:26:55 1999 Jeffrey A Law (law@cygnus.com)
11204 * gcse.c (gcse_main): Avoid global optimizations if we have a
11205 large number of basic blocks and the ratio of edges to blocks
11207 (delete_null_pointer_checks): Likewise.
11209 Sat Oct 9 23:16:01 1999 Ken Raeburn <raeburn@mit.edu>
11211 * c-common.c (check_format_info): Warn if format string isn't a
11214 Sat Oct 9 23:04:02 1999 Jonathan Larmour <jlarmour@cygnus.co.uk>
11216 * configure.in (arm*-*-*): Don't let autoconf remove brackets
11217 * configure: regenerate
11219 Sat Oct 9 13:15:53 1999 Richard Henderson <rth@cygnus.com>
11221 * alpha.md (extendsidi2): Turn into a splitter. Allow f/f.
11222 If TARGET_FIX, allow r/f. Remove cvtlq unspec pattern.
11223 (peepholes): Re-enable.
11225 Sat Oct 9 12:18:16 1999 Richard Henderson <rth@cygnus.com>
11227 * Makefile.in (flow.o): Depend on TREE_H.
11228 * basic-block.h (REG_SET_EQUAL_P): New.
11229 (XOR_REG_SET): New.
11230 (n_edges): Declare.
11231 (free_regset_vector): Remove declaration.
11232 (flow_delete_insn_chain): Declare.
11233 (enum update_life_extent): New.
11234 (update_life_info, count_or_remove_death_notes): Declare.
11235 * combine.c (distribute_notes) [REG_DEAD]: Stop search at bb->head.
11236 Verify register live at bb->global_live_at_start before adding USE.
11237 * flow.c (HAVE_epilogue, HAVE_prologue): Provide default.
11238 (CLEAN_ALLOCA): New.
11240 (PROP_*): New flags.
11241 (find_basic_blocks_1): Use alloc_EXPR_LIST.
11242 (clear_edges): Zero n_edges.
11243 (make_edge): Increment n_edges.
11244 (split_edge): Don't allocate bb->local_set. Increment n_edges.
11245 (flow_delete_insn_chain): Export.
11246 (delete_block): Decrement n_edges.
11247 (merge_blocks_nomove): Likewise.
11248 (life_analysis): Give life_analysis_1 PROP flags.
11249 (verify_wide_reg_1, verify_wide_reg): New.
11250 (verify_local_live_at_start): New.
11251 (update_life_info): Rewrite to call into propogate_block.
11253 (mark_regs_live_at_end): After reload, if epilogue as rtl,
11254 always mark stack pointer. Conditionally mark PIC register.
11255 After reload, mark call-saved registers, return regsiters.
11256 (life_analysis_1): Accept PROP flags not remove_dead_code.
11257 Call mark_regs_live_at_end before zeroing regs_ever_live.
11258 Use calculate_global_regs_live. Copy global_live_at_end before
11259 calling final propagate_block. Zero reg_next_use on exit.
11260 (calculate_global_regs_live): New.
11261 (allocate_bb_life_data): Don't allocate bb->local_set.
11262 (init_regset_vector, free_regset_vector): Remove.
11263 (propagate_block): Accept FLAGS not FINAL or REMOVE_DEAD_CODE.
11264 Test flags before every operation. Warn if prologue/epilogue insn
11265 would have been deleted.
11266 (mark_set_regs, mark_set_1): Accept and use FLAGS.
11267 Use alloc_EXPR_LIST.
11268 (mark_used_regs): Accept and use FLAGS, not FINAL.
11269 Remove special handling for RETURN.
11270 (try_pre_increment): Use alloc_EXPR_LIST.
11271 (dump_flow_info): Dump n_edges.
11272 (unlink_insn_chain, split_hard_reg_notes): Remove.
11273 (maybe_add_dead_note, maybe_add_dead_note_use): Remove.
11274 (find_insn_with_note, new_insn_dead_notes): Remove.
11275 (update_n_sets, sets_reg_or_subreg_1, sets_reg_or_subreg): Remove.
11276 (maybe_remove_dead_notes, prepend_reg_notes): Remove.
11277 (replace_insns): Remove.
11278 (count_or_remove_death_notes): New.
11279 (verify_flow_info): Abort on error after all checks.
11280 (remove_edge): Decrement n_edges.
11281 (remove_fake_edges): Tweek format.
11282 * haifa-sched.c (schedule_insns): Use split_all_insns.
11283 * output.h (update_life_info): Remove declaration.
11284 * recog.c (split_all_insns): From the corpse of split_block_insns,
11285 do the whole function block by block. Use update_life_info.
11286 (recog_last_allowed_insn): New.
11287 (recog_next_insn): Mind it.
11288 (peephole2_optimize): Set it. Walk backwards through blocks.
11289 Use update_life_info.
11290 * rtl.h (update_flow_info, replace_insns): Remove declarations.
11291 (split_all_insns): Declare.
11292 * toplev.c (rest_of_compilation): Thread prologue before flow2.
11293 Use split_all_insns.
11295 * i386.md (or -1 peep2s): Disable.
11297 Fri Oct 8 17:49:08 1999 Richard Henderson <rth@cygnus.com>
11299 * config/mips/mips.md (movstrsi+[123]) : Combine these into
11300 a single pattern. Scrap the 'd' versions as unnecessary.
11302 * config/mips/mips.md (tablejump_internal3,tablejump_mips161,
11303 tablejump_mips162,tablejump_internal4): The operands to a
11304 label_ref must be VOIDmode.
11306 Fri Oct 8 16:12:42 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11308 * configure.in (c-mbchar): Append, don't overwrite, `extra_c_flags'.
11310 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
11312 * mips.c (mips_va_arg) [EABI]: Return addr_rtx.
11314 Fri Oct 8 11:58:34 1999 Richard Henderson <rth@cygnus.com>
11316 * lists.c (init_EXPR_INSN_LIST_cache): Don't need to zap the
11317 cache every function if ggc_p.
11319 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11321 * jump.c (duplicate_loop_exit_test): Use copy_insn/copy_insn_1
11322 instead of copy_rtx. Accept sequences that contain asm statements.
11323 * emit-rtl.c (copy_insn_1, copy_insn): New functions.
11324 (copy_insn_scratch_in, copy_insn_scratch_out, copy_insn_n_scratches,
11325 orig_asm_operands_vector, copy_asm_operands_vector,
11326 orig_asm_constraints_vecotr, copy_asm_constraints_vector): New static
11328 * rtl.h (copy_insn, copy_insn_1): Declare.
11330 Fri Oct 8 13:08:12 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11332 * Makefile.in (insn-recog.o): Depend on hard-reg-set.h and resource.h.
11334 * alpha.h (ASM_OUTPUT_MI_THUNK): Pass the correct number of
11335 arguments to `current_file_function_operand'.
11337 * genrecog.c: Include hard-reg-set.h and resource.h in the
11338 generated output file.
11340 * real.c: Include tm_p.h.
11342 Fri Oct 8 18:46:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11344 * i386.md (prologue_allocate_stack): Add '=' constraint letter on
11347 Thu Oct 7 23:06:50 1999 Richard Henderson <rth@cygnus.com>
11349 * rs6000.md (fix_truncdfsi2_internal+1): Emit a clobber
11350 before the fctiwz insn.
11352 Thu Oct 7 22:53:00 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11353 Mark Mitchell <mark@codesourcery.com>
11355 * tree.c (make_lang_type_fn): New funtion pointer.
11356 (make_lang_type): Call it.
11357 * tree.h (make_lang_type): Declare.
11358 (make_lang_type_fn): Likewise.
11359 * rs6000.c (rs6000_build_va_list): Use make_lang_type.
11361 Thu Oct 7 00:36:17 1999 Diego Novillo <dnovillo@cygnus.com>
11363 * config/rs6000/rs6000.c (secondary_reload_class): For TARGET_ELF
11364 make sure that HIGH instructions are copied into BASE_REGS.
11366 Thu Oct 7 17:02:34 1999 Jason Merrill <jason@yorick.cygnus.com>
11368 * expr.c (expand_expr, TARGET_EXPR): Set TREE_USED sooner.
11370 Thu Oct 7 17:01:58 1999 Greg McGary <gkm@gnu.org>
11372 * c-decl.c (finish_struct): Use simpler method of
11373 removing elements of a singly-linked list.
11375 Thu Oct 7 15:23:28 1999 Michael Meissner <meissner@cygnus.com>
11377 * alpha.md (peephole2's): Comment out peephole2's that generate
11380 Thu Oct 7 12:00:53 1999 Richard Henderson <rth@cygnus.com>
11382 * genrecog.c (add_to_sequence): Disable mode check for
11385 Thu Oct 7 20:14:16 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11387 * ggc-simple.c (init_ggc): Set empty_string.
11389 Thu Oct 7 01:13:15 1999 Richard Henderson <rth@cygnus.com>
11391 * configure.in: Detect mmap. Add --with-gc=foo to select
11392 garbage collector; default to page if mmap available.
11393 * Makefile.in (GGC): Substitute.
11395 Wed Oct 6 23:56:30 1999 Richard Henderson <rth@cygnus.com>
11397 * c-decl.c (ggc_p): Enable.
11399 Wed Oct 6 17:17:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11401 * flow.c (verify_flow_info): Make it extern & unconditionally define.
11403 1999-10-06 Brendan Kehoe <brendan@cygnus.com>
11405 * sparc/sp86x-elf.h (SUBTARGET_SWITCHES): Add missing doc
11406 string for little-endian-data.
11408 Wed Oct 6 16:10:35 1999 Michael Meissner <meissner@cygnus.com>
11410 * varray.h (VARRAY_CHECK): Fix up appropriate revision check, in
11411 case somebody tries to compile --enable-checking code with gcc
11414 Wed Oct 6 12:22:50 1999 Richard Henderson <rth@cygnus.com>
11416 * genrecog.c (add_to_sequence): Verify operand to label_ref is
11419 Wed Oct 6 10:21:15 1999 Richard Henderson <rth@cygnus.com>
11421 * genconfig.c (main): Disable HAVE_conditional_arithmetic.
11422 * jump.c (jump_optimize_1): Document why.
11424 Wed Oct 6 10:41:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11426 * collect2.c (scan_prog_file, scan_libraries): Prototype function
11427 pointers and casts for `int_handler' and `quit_handler'.
11429 * flow.c (verify_flow_info, split_hard_reg_notes,
11430 find_insn_with_note, sets_reg_or_subreg_1, prepend_reg_notes,
11431 remove_edge, remove_fake_successors): Add static prototypes.
11432 (verify_flow_info): Wrap with macro ENABLE_CHECKING.
11433 (mark_set_1): Initialize variable `regno'.
11434 (unlink_insn_chain): Likewise for variable `curr'.
11435 (remove_fake_edges): Remove unused variables `e', `tmp' and `last'.
11437 * loop.c (strength_reduce): Initialize variable
11438 `unrolled_insn_copies'.
11439 (cmp_combine_givs_stats, cmp_recombine_givs_stats): Add static
11440 prototypes. Change these functions to take const PTR parameters
11441 to avoid prototype conflict when used as the comparson argument
11443 (check_dbra_loop): Initialize variable `comparison_val'.
11445 * reload.c (debug_reload_to_stream, debug_reload): Add prototypes.
11446 (get_secondary_mem): Mark parameter `x' with ATTRIBUTE_UNUSED.
11447 (find_valid_class): Initialize variable `best_class'.
11448 (find_reloads): Call memcpy, not bcopy.
11450 * reload1.c (gen_mode_int, dump_needs): Add prototypes.
11451 (hard_reg_use_compare): Don't needlessly cast away const.
11452 (reload_reg_class_lower): Likewise.
11453 (choose_reload_regs): Initialize variable `regno'.
11455 Tue Oct 5 16:34:12 1999 Paul Burchard <burchard@pobox.com>
11457 * ggc-page.c (GGC_ALWAYS_COLLECT): Fix typo when undef'ing.
11459 Tue Oct 5 16:14:40 1999 Michael Meissner <meissner@cygnus.com>
11461 * libgcc1-test.c (toplevel): Include stddef.h to get size_t.
11462 ({,d}discard): Add forward declarations. Declare parameter as
11464 (main_without_main): Explicitly declare return type to be int.
11465 (memcpy): Properly declare.
11467 * libgcc2.c (toplevel): If inhibit_libc is defined and not
11468 building the trampoline support, declare malloc, free, and
11470 (__clear_cache): Mark arguments as potentially unused.
11472 * frame.c (toplevel): If inhibit_libc is defined, declare
11475 Tue Oct 5 12:00:32 1999 Richard Henderson <rth@cygnus.com>
11477 * flow.c (make_edge): Accept an optional 2D bitmap in which
11478 to cache edge existence. Update all callers.
11479 (make_label_edge, make_eh_edge): Pass through the edge cache.
11480 (make_edges): Provide the cache.
11482 Tue Oct 5 12:16:49 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11484 * mbchar.c (literal_codeset, local_mbtowc, local_mblen): Constify
11486 (local_mbtowc): Change the type of variable `i' from int to size_t.
11488 * mbchar.h (ISSJIS1, ISSJIS2): Use parens around && within ||.
11489 (local_mbtowc, local_mblen, literal_codeset): Constify a char*.
11491 Tue Oct 5 11:34:52 1999 Michael Meissner <meissner@cygnus.com>
11493 * ggc-common.c (toplevel): Reorder includes, so that ggc.h comes
11494 after other includes that define the appropriate types. Include
11495 tm_p.h for getting user prototypes.
11496 * ggc-callbacks.c (toplevel): Ditto.
11497 * ggc-none.c (toplevel): Ditto.
11498 * gcc-page.c (toplevel): Ditto.
11499 * ggc-simple.c (toplevel): Ditto.
11501 Mon Oct 4 16:48:16 1999 Diego Novillo <dnovillo@cygnus.com>
11502 Jonathan Larmour <jlarmour@cygnus.co.uk>
11504 * config/mips/mips.c (mips_move_2words): Split doubles if
11505 ISA >= 3, !TARGET_64BIT, and destination is not an FP register.
11507 Mon Oct 4 21:47:31 1999 Richard Henderson <rth@cygnus.com>
11509 * genrecog.c (struct decision_test): New.
11510 (struct decision): Remove test-related members, sort the rest by size.
11511 (IS_SPLIT): Simplify.
11512 (new_decision, new_decision_test): New.
11513 (add_to_sequence): Use them. No special handling for args of
11515 (maybe_both_true): Renamed from not_both_true; return sense changed.
11516 (maybe_both_true_1, maybe_both_true_2): New. Broken out
11517 of maybe_both_true and adjusted for decision_test.
11518 (position_merit): Remove.
11519 (nodes_identical, nodes_identical_1): New, broken out of merge_trees.
11520 (merge_accept_insn): New, broken out of merge_trees.
11521 (merge_trees): Use them. No special case for c_test; no node
11522 splitting; use test type instead of position_merit.
11523 (factor_tests): New.
11524 (simplify_tests): New.
11525 (break_out_subroutines): Don't write code now.
11526 (find_afterward): New.
11527 (write_afterward, write_switch, write_cond): New.
11528 (write_action, is_unconditional): New.
11529 (write_node): New. Use them.
11530 (write_tree_1): Rewrite. Use the new functions above.
11531 (write_tree): Remove afterward processing.
11532 (write_subroutine): Simplify function variant emission.
11533 (write_subroutines): New.
11534 (same_codes, clear_codes): Remove.
11535 (same_modes, clear_modes): Remove.
11536 (write_header): New, broken out of main.
11537 (make_insn_sequence): Use new_decision and new_decision_test.
11538 (process_tree): New, broken out of main.
11539 (main): Adjust for merge_trees interface change.
11540 Don't #define operands in the output file.
11541 (record_insn_name): New, broken out of make_insn_sequence.
11542 (debug_decision_2, debug_decision_1, debug_decision_0): New.
11543 (debug_decision): New.
11545 1999-10-04 21:58 -0700 Zack Weinberg <zack@bitmover.com>
11547 * resource.c (find_free_register): Mark class_str argument const.
11548 * resource.h: Update prototype to match.
11550 * i386.h (PREDICATE_CODES): Add entry for long_memory_operand.
11551 * i386.md: Give all anonymous insns names.
11553 Mon Oct 4 21:12:02 1999 Jeffrey A Law (law@cygnus.com)
11555 * flow.c (merge_blocks): Avoid assing BASIC_BLOCK for non-existent
11558 Mon Oct 4 21:01:39 1999 Richard Henderson <rth@cygnus.com>
11560 * toplev.c (dbr_sched_time): Unconditional.
11561 (peephole2_time): New.
11562 (compile_file): Add pass numbers to all of the dump file suffixes.
11563 Dump peephole2_time. Don't dump times for non-applicable passes.
11564 (rest_of_compilation): Add pass numbers to dump file suffixes.
11565 Conditionalize calls to the scheduler.
11566 * invoke.texi: Update.
11568 Mon Oct 4 20:25:13 1999 Anthony Green <green@cygnus.com>
11570 * flow.c (make_edges): Fix insn iteration.
11571 (find_basic_blocks): Assign NULL_RTX, not 0, to rtx.
11572 (find_basic_blocks_1): Fix spelling mistake.
11574 Mon Oct 4 16:56:11 1999 Richard Henderson <rth@cygnus.com>
11576 * tree.c (build1): Set TREE_SIDE_EFFECTS for expressions that
11577 always have side-effects. Use memset not bzero.
11578 (make_node): Likewise.
11580 Mon Oct 4 16:22:20 1999 Mark Mitchell <mark@codesourcery.com>
11582 * stmt.c (expand_anon_union_decl): When any of the elements of the
11583 union is addressable, so is the entire union.
11585 Mon Oct 4 11:38:33 1999 Richard Henderson <rth@cygnus.com>
11587 * sbitmap.c (sbitmap_ones): Don't set too many bits.
11589 * bitmap.h (enum bitmap_bits): Add BITMAP_XOR.
11590 * bitmap.c (bitmap_operation): Return true iff TO changed.
11591 (bitmap_equal_p): New.
11592 (bitmap_bit_p): Tidy arithmetic.
11593 (debug_bitmap_file): Likewise.
11595 Mon Oct 4 11:28:37 1999 Richard Henderson <rth@cygnus.com>
11597 * toplev.c (rest_of_compilation): Turn on cse_not_expected
11598 before cse2 instead of after.
11600 Mon Oct 4 09:55:17 1999 Stan Cox <scox@cygnus.com>
11602 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Let leasi/liadi handle large
11605 Mon Oct 4 08:54:12 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11607 * cppinit.c (is_idchar initializer): Loosen tests to accept
11610 Mon Oct 4 02:31:20 1999 Mark Mitchell <mark@codesourcery.com>
11612 * mips.md: Define conditional move patterns for floating point
11613 operands and DI mode conditions.
11615 Mon Oct 4 02:12:41 1999 Mark Mitchell <mark@codesourcery.com>
11617 * tree.c (make_node): Set TREE_SIDE_EFFECTS for expressions that
11618 always have side-effects.
11620 Sun Oct 3 14:14:16 1999 Jeffrey A Law (law@cygnus.com)
11622 * mn10200.c (asm_file_start): Fix typo.
11624 * cppinit.c (is_idchar initializer): Tighten tests for when
11625 to put the table into initialized memory.
11627 * ggc-none.c (ggc_alloc_rtvec): An rtvec is an array of rtx,
11628 not an array of rtunion.
11629 * gcc-page.c (ggc_alloc_rtvec): Similarly.
11630 * gcc-simple (ggc_free_rtvec): Similarly.
11632 * genattrtab.c (simplify_cond): Make TESTS an array of rtxs, instead
11635 * mbchar.h: Add missing #endif.
11637 * t-fr30 (LIB2FUNCS_EXTRA): Remove definition.
11638 (FPBIT, DPBIT): Define.
11640 Sun Oct 3 12:44:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11642 * print-tree.c (print_node, indent_to): Remove redundant prototypes.
11644 * profile.c (instrument_arcs, output_gcov_string,
11645 tablejump_entry_p): Add static prototypes.
11646 (output_gcov_string): Constify a char*.
11648 * regmove.c (replacement_quality, fixup_match_2): Add static
11651 * resource.h (reg_dead_p): Add extern prototype.
11653 * rtl.c (trim_filename): Add static prototype.
11655 * scan-decls.c (skip_to_closing_brace): Likewise.
11657 * stmt.c (expand_decl_cleanup_no_eh): Hide definition.
11658 (expand_end_case): Initialize variable `range'.
11659 (emit_case_nodes): Remove unused prototype `rtx_fn'.
11661 * varasm.c (asm_emit_uninitialised): Add static prototype.
11662 (asm_emit_uninitialised, assemble_variable): Mark parameter with
11665 Sun Oct 3 12:24:52 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11667 * cpplib.c (if_directive_nameo): Add static prototype.
11669 * cse.c (cse_insn): Remove unused variable `p'.
11671 * except.c (create_rethrow_ref, push_entry,
11672 receive_exception_label, new_eh_region_entry, find_func_region,
11673 clear_function_eh_region, process_nestinfo): Add static prototypes.
11674 (get_reg_for_handler): Hide definition.
11675 (process_nestinfo): Initialize variable `extra_handlers'.
11677 * expr.h (expand_builtin_longjmp): Add extern prototype.
11679 * final.c (final_addr_vec_align, align_fuzz): Add static prototypes.
11681 * function.c (prepare_function_start): Likewise.
11682 (pop_function_context_from): Mark parameter `context' with
11684 (push_temp_slots_for_block, flush_addressof): Hide definition.
11686 * gcov.c (init_arc, reverse_arcs, create_program_flow_graph,
11687 solve_program_flow_graph, calculate_branch_probs,
11688 function_summary, main, fancy_abort): Add prototypes.
11690 * gen-protos.c (add_hash, parse_fn_proto, main): Likewise.
11691 (add_hash): Constify a char*.
11693 * ggc-common.c (ggc_mark_rtx_ptr, ggc_mark_tree_ptr,
11694 ggc_mark_tree_varray_ptr, ggc_mark_tree_hash_table_ptr,
11695 ggc_mark_string_ptr, ggc_mark_tree_hash_table_entry): Add prototypes.
11697 * integrate.c (expand_inline_function_eh_labelmap): Likewise.
11699 * lists.c (free_list, zap_lists): Likewise.
11701 Sun Oct 3 12:05:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11703 * alias.c (nonlocal_reference_p): Add static prototype.
11705 * bitmap.c (bitmap_element_allocate): Prototype args in function
11708 * builtins.c (stabilize_va_list): Add static prototype.
11709 (expand_builtin_va_arg): Constify a char*.
11711 * c-lex.c (getch, put_back, extend_token_buffer_to,
11712 read_line_number, token_getch, token_put_back): Add static
11715 * c-parse.gperf (hash, is_reserved_word): Likewise.
11717 * cccp.c (is_dir_separator): Likewise.
11719 Sat Oct 2 16:07:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11721 * graph.h: New file to prototype functions exported by graph.c.
11723 * Makefile.in (graph.o, toplev.o): Depend on graph.h.
11725 * graph.c: Include graph.h.
11727 * toplev.c: Likewise. Remove redundant prototypes.
11729 Sat Oct 2 11:28:33 1999 Krister Walfridsson <cato@df.lth.se>
11731 * invoke.texi: Removed duplicated description for -Q.
11733 Sat Oct 2 11:16:00 1999 Jim Kingdon <http://developer.redhat.com>
11735 * extend.texi: Grammar fix in __extension__ text.
11737 Sat Oct 2 11:06:31 1999 Richard Henderson <rth@cygnus.com>
11739 * md.texi (define_peephole2): New section.
11741 Sat Oct 2 10:57:56 1999 Jan Hubicka <hubicka@freesoft.cz>
11743 * i386.md (mov?i patterns): Fix handling of TARGET_USE_MOV0
11744 (mov $-1 to or peepholer): Enable for pentium when optimizing for
11747 Sat Oct 2 10:55:25 1999 Jan Hubicka <hubicka@freesoft.cz>
11749 * builtins.c (expand_builtin_strlen): Fix best mode searching loop.
11751 Sat Oct 2 10:53:22 1999 Jan Hubicka <hubicka@freesoft.cz>
11753 * i386.md (ffs expander): Emit Pentium friendly code for
11756 Sat Oct 2 02:48:21 1999 Mark P. Mitchell <mark@codesourcery.com>
11758 * tree.c (build): Don't look at TREE_SIDE_EFFECTS or TREE_RAISES
11760 (build1): Likewise.
11762 Fri Oct 1 18:01:11 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11764 * i386elf.h (TARGET_DEFAULT): Use symbolic constants.
11766 Fri Oct 1 12:42:53 1999 Andreas Schwab <schwab@suse.de>
11768 * config/m68k/m68k.c (use_return_insn): Return false if the pic
11769 register is in use.
11771 Fri Oct 1 10:56:06 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11773 * md.texi (No Constraints): Delete section.
11774 * Makefile.in (genattrtab.o): Don't depend on "insn-config.h".
11775 * final.c (final_scan_insn): We always have register constraints.
11776 * genattrtab.c: Don't include "insn-config.h".
11777 (write_attr_case): We always have register constraints.
11778 * genconfig.c (register_constraint_flag): Delete.
11779 (walk_insn_part): Don't check whether we have register constraints.
11780 (main): Don't write out "#define REGISTER_CONSTRAINTS".
11781 * genoutput.c (have_constraints): Delete.
11782 (main): Don't set it.
11783 (output_operand_data): We always have constraints.
11784 (scan_operands): Likewise.
11785 (compare_operands): Likewise.
11786 * local-alloc.c (block_alloc): We always have constraints.
11787 (requires_inout): Always compile this function.
11788 * recog.c (extract_insn): We always have constraints.
11789 (constrain_operands, reg_fits_class_p): Always compile these
11791 * recog.h (struct recog_data): Delete non-REGISTER_CONSTRAINTS
11793 (struct insn_operand_data): Likewise.
11794 * regclass.c (regclass): We always have constraints.
11795 (record_reg_classes, copy_cost, record_address_regs,
11796 auto_inc_dec_reg_p): Always compile these functions.
11797 * regmove.c (regmove_optimize): We always have constraints.
11798 * reload.c (find_reloads): Likewise.
11799 * reload1.c (reload): Likewise.
11800 (reload_cse_simplify_operands): Likewise.
11801 * i860.c (output_delay_insn): Likewise.
11803 Thu Sep 30 23:04:41 1999 Mark P. Mitchell <mark@codesourcery.com>
11805 * iris6.h (BUILD_VA_LIST_TYPE): Define.
11807 Thu Sep 30 18:44:50 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11809 * rs6000.c (rs6000_build_va_list): Create a TYPE_DECL node
11810 for the va_list record.
11812 Thu Sep 30 18:34:54 1999 Jan Hubicka <hubicka@freesoft.cz>
11814 * i386.c (ix86_adjust_cost): Ignore false ebp dependencies in
11817 Thu Sep 30 18:31:36 1999 Jan Hubicka <hubicka@freesoft.cz>
11819 * alias.c: Include insn-flags.h.
11820 * Makefile.in (alias.o): Update.
11822 Thu Sep 30 18:21:30 1999 Jan Hubicka <hubicka@freesoft.cz>
11824 * i386.c (ix86_expand_int_movcc): Convert LEU and GTU comparisons
11825 to LTU and GEU. Handle more cases using sbb.
11827 Thu Sep 30 18:18:39 1999 Jan Hubicka <hubicka@freesoft.cz>
11829 * i386.md (truncatexfdf splitters): Do not use subreg.
11830 (fop XFmode patterns): Fix mode in operand testing.
11832 Thu Sep 30 18:04:13 1999 Richard Henderson <rth@cygnus.com>
11834 * jump.c (jump_optimize_1): Amend last change to test only the
11835 form of the operand, not the insn.
11837 * jump.c (jump_optimize_1) [conditional_move]: Use general_operand
11838 not register_operand to determine when B may need preloading.
11840 Thu Sep 30 17:39:16 1999 Richard Henderson <rth@cygnus.com>
11842 * alpha.md (*): Use nonimmediate not general_operand for SET_DEST.
11843 (ffsdi2, extxl, insxh, mskxh): Add missing DImode to SET_SRC.
11844 (call-value patterns): Move to end of file.
11845 (*): Remove mode from label_ref in (pc) context.
11846 (movstrqi): Use memory not general_operand for BLKmode operands.
11847 (prologue_stack_probe_loop, builtin_longjmp): Add missing mode
11848 to register_operand operands.
11849 (peep2 patterns): Convert from commented-out peephole patterns.
11851 Thu Sep 30 14:39:17 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11853 * tree.h (enum built_in_function): Rename BUILT_IN_DWARF_REG_SIZE
11854 to BUILT_IN_INIT_DWARF_REG_SIZES.
11855 * builtins.c (expand_builtins, case BUILT_IN_INIT_DWARF_REG_SIZES):
11856 Renamed from BUILT_IN_DWARF_REG_SIZE; call
11857 expand_builtin_init_dwarf_reg_sizes.
11858 * c-decl.c (init_decl_processing): Replace __builtin_dwarf_reg_size
11859 with __builtin_init_dwarf_reg_size_table.
11860 * dwarf2out.c (struct reg_size_range): Delete.
11861 (expand_builtin_init_dwarf_reg_sizes): New function.
11862 (expand_builtin_dwarf_reg_size): Delete.
11863 * except.h (expand_builtin_init_dwarf_reg_sizes): Declare.
11864 (expand_builtin_dwarf_reg_size): Don't declare.
11865 * libgcc2.c (dwarf_reg_size_table_initialized): New.
11866 (dwarf_reg_size_table): New.
11867 (init_reg_size_table): New function.
11868 (copy_reg): Use dwarf_reg_size_table.
11869 (eh_context_initialize): Make sure dwarf_reg_size_table is initialized
11872 Thu Sep 30 05:40:34 1999 Richard Earnshaw <rearnsha@arm.com>
11874 * c-lang.c (finish_file case ndef ASM_OUTPUT_{CON,DE}STRUCTOR):
11875 Correctly build argument list to constructor and destructor functions.
11877 Thu Sep 30 00:13:27 1999 Dirk Zoller <duz@rtsffm.com>
11879 * c-tree.h (warn_float_equal): Declare.
11880 * c-decl.c (warn_float_equal): Define.
11881 (c_decode_option): Recognize -W[no-]float-equal.
11882 * c-typeck.c (build_binary_op): Conditionally warn
11883 about equality tests of floating point types.
11884 * toplev.c (documented_lan_options): Add -W[no-]float-equal.
11885 * invoke.texi: Add docs for -Wfloat-equal warning.
11887 Wed Sep 29 23:43:39 1999 Jeffrey A Law (law@cygnus.com)
11889 * h8300.h (INIT_TARGET_OPTABS): Use init_one_optab instead of
11890 generating RTL directly.
11891 * mips.h (INIT_TARGET_OPTABS): Likewise.
11892 * mn10200.h (INIT_TARGET_OPTABS): Likewise.
11894 * expr.h (init_mov_optab): Delete declaration
11896 * h8300.c (WORD_REG_USED): Update to avoid useless register
11897 saves in interrupt functions and functions which never return.
11899 * cse.c (struct set): Delete inner_dest_loc field.
11900 (cse_insn): Remove assignments to inner_dest_loc field.
11902 Wed Sep 29 16:06:20 1999 Richard Henderson <rth@cygnus.com>
11904 * ggc-page.c: Don't include <unistd.h> etc taken care of
11905 by "system.h". Include <sys/mman.h> afterward.
11907 Wed Sep 29 16:05:18 1999 Richard Henderson <rth@cygnus.com>
11909 * rs6000.c (rs6000_encode_section_info): If ggc_p, use
11912 Tue Sep 28 16:45:40 1999 David Edelsohn <edelsohn@gnu.org>
11914 * xcoffout.c (xcoffout_declare_function): Add documentation.
11915 * rs6000.c (num_insns_constant_wide): Use TARGET_POWERPC64 not
11916 TARGET_64BIT. Compare constant to -1, not bit pattern.
11917 (easy_fp_constant): Use TARGET_POWERPC64 not TARGET_64BIT.
11918 (expand_block_move): Allow 8 DImode loads for PowerPC64. Fix
11921 Tue Sep 28 16:43:14 1999 Nick Clifton <nickc@cygnus.com>
11923 * dwarf2out.c (add_abstract_origin_attribute): Abort if
11924 origin_die is NULL.
11925 (gen_inlined_enumeration_type_die): Do not abort if the type has
11926 not been writeen out.
11927 (gen_inlined_structure_type_die): Do not abort if the type has
11928 not been writeen out.
11929 (gen_inlined_union_type_die): Do not abort if the type has
11930 not been writeen out.
11931 (gen_tagged_type_instantiation_die): Do not abort if the type
11932 has not been written out.
11934 Tue Sep 28 14:33:47 1999 Bernd Schmidt <bernds@cygnus.co.uk>
11936 * c-decl.c (init_decl_processing): If MD_INIT_BUILTINS is defined,
11938 * reg-stack.c (straighten_stack): Copy hard reg set with
11941 Tue Sep 28 01:11:05 1999 Richard Henderson <rth@cygnus.com>
11943 * builtins.c (stabilize_va_list): Stabilize array type va_list
11944 to a pointer type, not the base record type.
11945 (expand_builtin_va_copy): Dereference the pointers explicitly;
11946 use the correct size for the copy.
11948 * rs6000.c (rs6000_va_start): Dereference valist to get to the record.
11949 (rs6000_va_arg): Likewise.
11951 Mon Sep 27 23:27:21 1999 Richard Henderson <rth@cygnus.com>
11953 * rtl.h (struct rtx_def): Move gc_mark to align mode field.
11955 Mon Sep 27 23:20:29 1999 Mark Mitchell <mark@codesourcery.com>
11957 * tree.h (struct tree_decl): Use `bclass', not `class', in name of
11959 (DECL_BUILT_IN_CLASS): Adjust accordingly.
11961 Mon Sep 27 23:03:16 1999 Richard Henderson <rth@cygnus.com>
11963 * ggc-page.c (GGC_MIN_LAST_ALLOCATED): New.
11964 (init_ggc): Use it instead of a constant.
11965 (ggc_collect): Bound allocated_last_gc by it.
11967 Mon Sep 27 19:06:04 1999 Jeffrey A Law (law@cygnus.com)
11969 * fixinc/fixinc.irix (stdio.h): Hack stdio.h to avoid problems
11972 Mon Sep 27 19:40:17 CEST 1999 Marc Espie <espie@cvs.openbsd.org>
11974 * configure.in (mips*el-*-openbsd*): Don't duplicate default settings.
11975 (mips*-*-openbsd*): Let big endian configuration be a fragment.
11976 * configure: Regen.
11977 * config/mips/openbsd.h: New, OpenBSD little endian target.
11978 * config/mips/openbsd-be.h: New, OpenBSD big endian target fragment.
11979 * config/mips/xm-openbsd.h: New, OpenBSD host.
11981 Mon Sep 27 10:28:48 1999 Andreas Schwab <schwab@suse.de>
11983 * config/m68k/m68k.c (output_function_prologue,
11984 output_function_epilogue): Use
11985 current_function_uses_pic_offset_table instead of regs_ever_live
11986 to decide whether to save/restore pic register.
11987 (legitimize_pic_address): Don't modify regs_ever_live any more.
11989 Sun Sep 26 10:55:36 1999 Mark Mitchell <mark@codesourcery.com>
11991 * function.h (struct function): Add x_dont_save_pending_sizes_p.
11992 * stor-layout.c (variable_size): Don't add sizes to the pending
11993 sizes list if x_dont_save_pending_sizes_p is set.
11995 Sun Sep 26 16:36:52 1999 Robert Lipe (robertlipe@usa.net)
11997 * config/i386/dgux.h (SELECT_RTX_SECTION): Provide dummy argument
11998 for symbolic_operand().
11999 * config/i386/sco5.h (SELECT_RTX_SECTION): Likewise.
12001 Sun Sep 26 07:37:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12003 * combine.c (gen_rtx_combine): Add missing call to va_end().
12005 * final.c (asm_fprintf): Likewise.
12007 * genattrtab.c (attr_rtx): Likewise.
12009 Sat Sep 25 13:11:07 1999 Jeffrey A Law (law@cygnus.com)
12011 * cse.c: Update comments.
12012 (cse_insn): When converting a conditional/computed jump into
12013 an unconditional jump, always make sure a BARRIER immediately
12014 follows the converted jump. Do not delete unreachable code.
12015 (cse_basic_block): Do not delete unreachable code.
12016 * toplev.c (rest_of_compilation): Move call to
12017 delete_trivially_dead_insns after the conditional call to
12020 Sat Sep 25 09:03:17 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12022 * collect2.c (make_temp_file): Don't prototype.
12024 * gcc.c (make_temp_file): Likewise.
12026 * mips.c (mips_make_temp_file): Renamed from `make_temp_file'.
12028 Sat Sep 25 13:42:15 1999 Nick Clifton <nickc@cygnus.com>
12030 * varasm.c (asm_emit_uninitialised): New function: Generate
12031 the assembler statements necessary to declare an uninitialised
12033 (ASM_EMIT_LOCAL): New macro: Emit a local, uninitialised
12035 (ASM_EMIT_BSS): New macro: Emit an entry in the bss section.
12036 (ASM_EMIT_COMMON): New macro: Emit an entry in the common
12038 (assemble_variable): Use asm_emit_uninitialised to emit an
12039 uninitialised variable.
12041 Fri Sep 24 17:10:56 1999 Nick Clifton <nickc@cygnus.com>
12043 * combine.c (simplify_comparison): Cope with downshifting a 32 bit
12044 constant on a 64 bit host. Patch supplied by Geoffrey Keating
12045 <geoffk@cygnus.com>.
12047 Fri Sep 24 10:48:10 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12049 * builtins.c (expand_builtin): Use MD_EXPAND_BUILTIN if defined.
12050 * c-common.h (builtin_function): Don't declare.
12052 * c-decl.c (duplicate_decls): Use DECL_BUILT_IN_CLASS rather than
12054 (pushdecl): Likewise.
12055 (finish_decl): Likewise.
12056 (builtin_function): New arg CLASS. Arg FUNCTION_CODE now of type
12057 int. All callers changed.
12058 Set the builtin's DECL_BUILT_IN_CLASS.
12059 * tree.h (enum built_in_class): New.
12060 (enum built_in_function): Delete NOT_BUILT_IN.
12061 (DECL_FUNCTION_CODE): The corresponding field in tree_decl is now
12063 (DECL_SET_FUNCTION_CODE): Likewise.
12064 (DECL_BUILT_IN_CLASS): New macro.
12065 (DECL_BUILT_IN): Use DECL_BUILT_IN_CLASS.
12066 (struct tree_decl): Split builtin function code field into a
12068 (builtin_function): Declare.
12070 Fri Sep 24 01:45:05 1999 Mark Mitchell <mark@codesourcery.com>
12072 * optabs.c (init_traps): Fix typo in last change.
12074 Fri Sep 24 01:10:11 1999 Mark Mitchell <mark@codesourcery.com>
12076 * toplev.c (rest_of_decl_compilation): Update comment.
12078 Fri Sep 24 11:57:06 1999 Geoffrey Keating <geoffk@cygnus.com>
12080 * config/mips/elf.h (ASM_OUTPUT_ALIGNED_BSS): Put the symbol
12081 in .sbss if appropriate.
12082 (EXTRA_SECTION_FUNCTIONS): Add sbss.
12083 (SBSS_SECTION_ASM_OP): New macro.
12084 * config/mips/linux.h (EXTRA_SECTION_FUNCTIONS): Add sbss.
12085 (EXTRA_SECTIONS): Add in_sbss.
12086 * config/mips/mips.h: Prototype sbss_section.
12088 Thu Sep 23 18:18:55 1999 Mark Mitchell <mark@codesourcery.com>
12090 * stmt.c (expand_start_bindings): Don't allow cleanup instructions
12093 Thu Sep 23 18:07:01 1999 Mark Mitchell <mark@codesourcery.com>
12095 * optabs.c (init_traps): Register trap_rtx as a GC root.
12097 Thu Sep 23 17:41:47 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12099 * config/mips/mips.c (function_arg_pass_by_reference): Define
12100 unconditionally, since it's called unconditionally.
12102 Thu Sep 23 13:40:02 1999 Jason Merrill <jason@yorick.cygnus.com>
12104 * toplev.c (documented_lang_options): Add -fshort-wchar.
12105 * c-decl.c (c_decode_option): Likewise.
12106 (init_decl_processing): If -fshort-wchar, use 'short unsigned int'
12108 * c-common.c, c-lex.c: Get WCHAR_TYPE_SIZE from wchar_type_node.
12109 * gcc.c (default_compilers): If -fshort-wchar,
12110 override __WCHAR_TYPE__.
12111 * tm.texi (C Dialect Options): Add -fshort-wchar.
12113 * dwarf2out.c (output_aranges): Use DW_AT_location to find the
12114 symbol for a variable.
12116 * cpplib.h (CPP_PREPROCESSED): New macro.
12117 * cpplib.c (handle_directive): Don't complain about `# NUMBER' if
12118 we're seeing this input for a second time.
12120 Thu Sep 23 12:54:49 1999 Alex Samuel <samuel@codesourcery.com>
12122 * emit-rtl.c (init_emit_once): Initialize modes first.
12124 Sun Sep 19 01:23:23 1999 Alex Samuel <samuel@codesourcery.com>
12126 * config/i386/i386.c (pic_label_name): Change to char pointer.
12127 (global_offset_table): New variable.
12128 (load_pic_register): Fill global_offset_table if it hasn't
12129 already been done. Allocate pic_label_name dynamically.
12130 * ggc.h (empty_string): New variable.
12131 * ggc-simple.c (empty_string): Likewise.
12132 (init_ggc): Allocate empty_string and add as root.
12133 * stmt.c (digit_strings): New variable.
12134 (init_stmt): Add last_block_end_note as root. Allocate and
12135 initialize digit_strings.
12136 (expand_asm_operands): Use empty_string instead of string
12137 constant. Use digit_strings instead of string constants.
12138 * profile.c (init_arc_profiler): Allocate string with
12139 ggc_alloc_string instead of xmalloc.
12140 (output_func_start_profiler): Likewise.
12141 * c-typeck.c (digest_init): Check if init is error_mark_node.
12143 Thu Sep 23 12:59:14 1999 Alex Samuel <samuel@codesourcery.com>
12144 Richard Henderson <rth@cygnus.com>
12146 * ggc-page.c: New file.
12147 * Makefile.in (ggc-page.o): New.
12149 Thu Sep 23 13:55:21 1999 Jeffrey A Law (law@cygnus.com)
12151 * invoke.texi: Document -fdelete-null-pointer-checks
12152 * toplev.c (flag_delete_null_pointer_checks): New.
12153 (f_options): Add entry for -fdelete-null-pointer-checks.
12154 (rest_of_compilation): Conditionalize null pointer check
12155 elimination on flag_delete_null_pointer_checks.
12156 (main): If -O2 or greater, enable -fdelete-null-pointer-checks
12158 1999-09-23 10:56 -0700 Zack Weinberg <zack@bitmover.com>
12160 * iso646.h, stdarg.h, stdbool.h, stddef.h, varargs.h: Add
12161 copyright notice and special exception to GPL.
12163 Thu Sep 23 13:40:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12165 * abi64.h (mips_function_value): Add prototype arguments.
12167 * mips-protos.h: New file with mips prototypes.
12169 * mips.c: Include "tm_p.h".
12170 (mktemp, lookup_name): Add prototype arguments.
12171 (extern_list, string_constant, mips_fill_delay_slot,
12172 mips_output_external, mips_output_external_libcall,
12173 mips_output_filename, mips_declare_object, function_prologue,
12174 mips_expand_prologue, function_epilogue, mips16_constant,
12175 build_mips16_function_stub, mips_output_conditional_branch):
12177 (mips_va_start): Remove unused variable `u'.
12178 (mips_va_arg): Cast value to unsigned when comparing against one.
12180 (save_restore_insns, mips_expand_prologue): Add missing arg in
12181 call to `large_int'.
12183 * mips.h: Move prototypes to mips-protos.h.
12184 (data_section, memory_address_p, rdata_section,
12185 readonly_data_section, simple_epilogue_p, text_section): Delete
12186 prototypes delcared elsewhere.
12187 (mips_epilogue_delay_slots, print_options): Delete unused decls.
12189 (GO_PRINTF, GO_PRINTF2): Call fprintf, not trace.
12191 * mips.md: Delete extra args in call to `mips_move_2words'.
12193 * xm-iris6.h (alloca): Add prototype argument.
12195 * genpeep.c: Include "tm_p.h" in generated output file.
12197 Thu Sep 23 10:36:55 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
12199 * basic-block.h (find_edge_index): Change parameters.
12200 * flow.c (verify_edge_list): Pass basic_block parameters to
12201 find_edge_index instead of integers.
12203 Thu Sep 23 15:54:12 1999 Nick Clifton <nickc@cygnus.com>
12205 * combine.c (simplify_comparison): Use an unsigned shift to adjust
12208 Thu Sep 23 08:46:21 1999 Guy Harris <guy@netapp.com>
12210 * gcc.1: Fix a formatting error.
12212 Wed Sep 22 16:10:21 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12214 * install.texi (Configurations): Remove pyramid. Add fr30, i686,
12215 i786, mn10200, mn10300, pdp11, v850.
12217 Thu Sep 23 07:37:13 1999 Dan Nicolaescu <dann@ics.uci.edu>
12219 * libgcc2.c (num_digits): Add prototype with
12220 __attribute__((const)).
12221 (__terminate): Add prototype.
12223 Thu Sep 23 05:32:06 1999 Richard Henderson <rth@cygnus.com>
12225 * builtins.c, dbxout.c, varasm.c: Include tm_p.h.
12227 * alpha/alpha.c (print_operand): Fix type of `code'.
12228 (alpha_output_filename): Constify.
12229 * alpha/alpha.h: Move all function declarations ...
12230 * alpha/alpha-protos.h: ... here. New file.
12231 * alpha/elf.h (CONST_SECTION_FUNCTION): Prototype the function.
12232 (SECTION_FUNCTION_TEMPLATE): Likewise.
12234 Thu Sep 23 11:15:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12236 * expmed.c (do_cmp_and_jump): Pass ccp_jump to can_compare_p.
12237 * expr.c (expand_expr): Likewise.
12238 (do_jump): Likewise.
12239 (do_store_flag): Pass ccp_store_flag to can_compare_p.
12240 * expr.h (enum optab_index): Add cbranch, cmov, cstore optabs and
12242 (enum can_compare_purpose): New.
12243 (can_compare_p): Adjust prototype.
12244 (prepare_cmp_insn, prepare_operand): Declare.
12245 * genopinit.c (optabs): Add cbranch_optab, cmov_optab, cstore_optab.
12246 * optabs.c (cmp_available_p): Deleted.
12247 (expand_abs): Pass ccp_jump to can_compare_p.
12248 (can_compare_p): New arg PURPOSE. Check for combined optabs.
12249 (prepare_cmp_insn): No longer static. Add arg PURPOSE.
12250 Call can_compare_p rather than cmp_available_p.
12251 (prepare_operand): No longer static.
12252 (emit_cmp_and_jump_insn): Check for and use cbranch patterns.
12253 (emit_cmp_and_jump_insns): Pass ccp_jump to prepare_cmp_insn.
12254 (expand_float): Fix a slightly broken emit_cmp_insn/emit_jump_insn
12255 sequence to use emit_cmp_and_jump_insns.
12256 (init_optabs): Initialize cbranch_optab, cmov_optab, cstore_optab.
12258 Wed Sep 22 17:58:01 1999 Stan Cox <scox@cygnus.com>
12260 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Don't accept large
12261 register offsets; let LEGITIMIZE_ADDRESS load it into a register.
12262 (LEGITIMIZE_ADDRESS): Use plus_constant to avoid
12263 (plus (reg) (const_int 0))
12264 * mips.md (call_internal3c): New pattern for -mips16 -mlong-calls.
12266 Wed Sep 22 17:55:31 1999 David Edelsohn <edelsohn@gnu.org>
12268 * rs6000.c (expand_block_move): DImode loads and stores require
12269 word-aligned displacements. Increment address registers with
12270 adddi3 on 64-bit platform. Use TARGET_POWERPC64 not TARGET_64BIT.
12272 Wed Sep 22 17:35:55 1999 Michael Meissner <meissner@cygnus.com>
12274 * dwarf2out.c (base_type_die): Use the name __unknown__ if there
12275 is no name for the base type, rather than segfault. If we are
12276 writing out a complex integer type, use DW_ATE_lo_user.
12278 * expr.c (emit_move_insn_1): If we are copying a complex that fits
12279 in one word or less (complex char, complex short, or on 64 bit
12280 systems complex float) to/from a hard register, copy it through
12281 memory instead of dying in gen_{real,imag}part. If we have a
12282 short complex type, prevent inlining since it allocates stack
12285 * tree.c (build_complex_type): If we are writing dwarf2 output,
12286 generate a name for complex integer types.
12288 Wed Sep 22 11:34:08 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
12290 * basic-block.h (add_noreturn_fake_exit_edges): Use correct name.
12291 * flow.c (remove_edge): Remove extra whitespace.
12292 (remove_fake_edges): Fix comment.
12293 (add_noreturn_fake_exit_edges): Use the correct name.
12295 Wed Sep 22 16:12:40 BST 1999 Nathan Sidwell <nathan@acm.org>
12297 * Makefile.in (INTL_MOSTLYCLEAN, INTL_CLEAN): New variables.
12298 (mostlyclean): Depend on INTL_MOSTLYCLEAN.
12299 (clean): Depend on INTL_CLEAN.
12300 (maintainer-clean): Adjust.
12302 Wed Sep 22 10:18:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12304 * configure.in (AC_PREREQ): Bump to 2.13.
12305 (AC_C_STRINGIZE): Call this instead of using a custom macro.
12307 * gansidecl.h (HAVE_STRINGIZE): Define, if stage2 gcc && __STDC__.
12309 * system.h (HAVE_STRINGIZE): Test this instead of HAVE_CPP_STRINGIFY.
12311 * acconfig.h (HAVE_CPP_STRINGIFY): Delete.
12313 * alpha/xm-vms.h (HAVE_CPP_STRINGIFY): Delete.
12314 (HAVE_STRINGIZE): Define.
12316 Wed Sep 22 06:25:15 1999 Jim Kingdon <http://developer.redhat.com>
12318 * c-parse.in: save and restore warn_pointer_arith on __extension__
12319 along with pedantic.
12320 (SAVE_WARN_FLAGS, RESTORE_WARN_FLAGS): Added.
12321 Set the type of extension to itype rather than $<itype>1 kludge.
12322 * extend.texi (Alternate Keywords): Adjust documentation.
12323 * c-parse.c, c-parse.y, objc-parse.c, objc-parse.y: Rebuilt.
12325 Wed Sep 22 06:06:57 1999 Jeffrey A Law (law@cygnus.com)
12327 * pa.c, pa.h, pa.md: Support multiple assembler dialects in
12328 most assembler templates.
12330 * pa.c (hppa_legitimize_address): Handle full offsets for PA2.0
12331 FP loads and stores.
12332 (following_call): Always return zero for the PA8000.
12333 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Handle full offsets for PA2.0
12334 FP loads and stores.
12335 (LEGITIMIZE_RELOAD_ADDRESS): Similarly.
12337 * pa.h (BRANCH_COST): Define.
12339 * pa.md (return, return_internal): Use bve for PA2.0.
12341 * pa.md (fused multiply): Add variants which reduce height for the
12342 fused multiply, but which still generate 2 insns.
12343 (fnegabs): Similarly.
12345 * pa.md (subsi3): Turn into an expander. Create two anonymous
12346 patterns. One for PA2.0 one for PA1.x. Use mtsarcm for PA2.0.
12347 * pa.h (EXTRA_CONSTRAINT): Handle 'S'.
12349 * pa.md (floatunssisf2, floatunssidf2): Generate different RTL
12351 (floatunssidf2_pa20, floatunssisf2_pa20): New patterns for PA2.0
12353 (floatunsdisf2, floatunsdidf2, fixuns_truncsfsi2): Likewise.
12354 (fixuns_truncdfsi2, fixuns_truncsfdi2, fixuns_truncdfsi2): Likewise.
12356 * regclass.c (init_regs): Add "top_of_stack" as a garbage
12359 * flow.c (record_active_eh_regions): Terminate loop after finding
12360 the last insn in the last basic block.
12362 Wed Sep 22 20:25:00 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12364 * config/c4x/c4x.md: Delete parallel instruction peepholes.
12366 Wed Sep 22 19:59:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12368 * config/c4x/c4x.c (c4x_add_gc_roots): Add tree roots.
12370 Wed Sep 22 19:56:25 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12372 * config/c4x/c4x.c (c4x_process_after_reload): Rework machdep insn
12373 splitting to not use output template.
12375 Wed Sep 22 19:50:12 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12377 * config/c4x/c4x.h (EXPAND_BUILTIN_VA_START): Call c4x_va_start.
12378 * config/c4x/c4x.c (c4x_va_start): New function.
12380 Tue Sep 21 18:40:01 1999 Jan Hubicka <hubicka@freesoft.cz>
12382 * genrecog.c (not_both_true): Handle correctly cases when called for
12383 tests with different positions in the insn.
12385 Tue Sep 21 18:29:11 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12387 * machmode.h (HOST_PTR_PRINTF): Move from here ...
12389 * system.h (HOST_PTR_PRINTF): ... to here.
12391 * mips-tfile.c: Don't include machmode.h.
12393 * Makefile.in (MACHMODE_H): New variable. Update to use it.
12394 (mips-tfile.o): Don't depend on machmode.h.
12396 Tue Sep 21 18:27:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12398 * haifa-sched.c (sched_analyze): Rename local variable `region' to
12399 avoid conflicts with typedef struct `region' at the top level scope.
12401 Tue Sep 21 14:14:50 1999 Richard Henderson <rth@cygnus.com>
12403 * basic-block.h (basic_block): Add eh_beg, eh_end.
12404 * flow.c (entry_exit_blocks): Update.
12405 (find_basic_blocks): Don't allocate bb_eh_end, or pass it around.
12406 Call new functions.
12407 (find_basic_blocks_1): Don't record eh_list at each bb. Use
12408 lists.c functions to allocate insn lists.
12409 (make_edges): Use eh_beg+eh_end, not the lists. Split out EH
12411 (make_eh_edge): ... here. New.
12412 (move_stray_eh_region_notes): New.
12413 (record_active_eh_regions): New.
12414 (delete_unreachable_blocks): Split out block merging ...
12415 (try_merge_blocks): ... here. New.
12416 (merge_blocks_move_predecessor_nojumps): Remove edge arg.
12417 Dump debugging data.
12418 (merge_blocks_move_successor_nojumps): Likewise.
12419 (merge_blocks): Use eh_beg+eh_end to validate block movement.
12421 Tue Sep 21 11:15:03 1999 Martin v. Löwis <loewis@informatik.hu-berlin.de>
12423 * extend.texi (Bound member functions): Document unbound pmf
12426 Tue Sep 21 14:55:11 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
12428 * flow.c (split_edge): Handle insertion on a fallthrough edge which
12429 has the EXIT_BLOCK as a dest.
12431 Tue Sep 21 14:51:23 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
12433 * flow.c (remove_edge): New function to remove an edge from the
12435 (remove_fake_successors): New function to remove fake successor edges.
12436 (remove_fake_edges): New function to remove all fake edges from the
12438 (add_fake_exit_edges): New function to add fake edges from all blocks
12439 with no successors to the exit block.
12440 * basic-block.h (remove_fake_edges, add_fake_exit_edges): Add
12441 prototypes for new functions.
12443 Tue Sep 21 14:49:53 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
12445 * config/mips/elf64.h (ASM_OUTPUT_CONSTRUCTOR, ASM_OUTPUT_DESTRUCTOR):
12446 Use Pmode to determine whether to output .dword or .word.
12448 Tue Sep 21 11:04:34 1999 Alex Samuel <samuel@codesourcery.com>
12450 * tree.c (built_in_filename): New variable.
12451 (BUILT_IN_FILENAME): New macro.
12452 (init_tree_codes): Allocate built_in_filename.
12453 (make_node): Use built_in_filename instead of string constant.
12455 Tue Sep 21 14:13:27 1999 Nick Clifton <nickc@cygnus.com>
12457 * configure.in: Add fr30 target.
12458 * configure: Regenerate.
12459 * config/fr30: New directory.
12460 * config/fr30/crti.asm: New file.
12461 * config/fr30/fr30.c: New file.
12462 * config/fr30/crtn.asm: New file.
12463 * config/fr30/fr30.h: New file.
12464 * config/fr30/fr30.md: New file.
12465 * config/fr30/lib1funcs.asm: New file.
12466 * config/fr30/t-fr30: New file.
12467 * config/fr30/xm-fr30.h: New file.
12469 Tue Sep 21 06:45:31 1999 Jeffrey A Law (law@cygnus.com)
12471 * flow.c (merge_blocks_move_successor_nojumps): Delete the
12472 BARRIER at the end of the successor, not the BARRIER before
12475 * pa.c (pa_add_gc_roots): Fix thinko in last change.
12477 Tue Sep 21 05:29:17 1999 Richard Earnshaw (rearnsha@arm.com)
12479 * stmt.c (any_pending_cleanups): Don't crash when
12480 current_function->stmt is unset.
12482 Tue Sep 21 00:59:49 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12484 * emit-rtl.c (init_emit_once): Initialize const_int_rtx before
12485 other initializations that may use it for relative offsets.
12487 Mon Sep 20 21:43:25 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12489 * config/i386/sol2.h (PREFERRED_DEBUGGING_TYPE): Use stabs.
12490 (ASM_SPEC): Moved from sol2dbg.h. Added work-around for gas.
12491 * config/i386/sol2dbg.h: Removed.
12492 * config/i386/sol2gas.h: New file, to enable gas work-around.
12493 * configure.in: Use i386/sol2gas.h on Solaris/x86 --with-gas.
12494 Don't use sol2dbg.h.
12495 * configure: Rebuilt.
12497 Mon Sep 20 13:29:41 1999 Mark Mitchell <mark@codesourcery.com>
12499 * invoke.texi (-fthis-is-variable): Remove documentation.
12501 Mon Sep 20 12:59:16 1999 Richard Henderson <rth@cygnus.com>
12503 * basic-block.h (compute_bb_for_insn): Declare.
12504 * flow.c (compute_bb_for_insn): Export. Don't accept the varray
12505 to use; set size of basic_block_for_insn directly.
12506 (find_basic_blocks): Update.
12508 Mon Sep 20 15:11:54 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12510 * flow.c (verify_flow_info): Fix typo, "abort;" -> "abort ();".
12512 Mon Sep 20 14:56:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12514 * crtstuff.c (ON_EXIT): Delete empty macro definition.
12515 (__do_global_ctors_aux): Call atexit(), not ON_EXIT().
12517 Mon Sep 20 15:25:35 1999 Nick Clifton <nickc@cygnus.com>
12519 * c-decl.c (c_decode_option): Extend comment.
12521 Mon Sep 20 14:43:37 1999 Nick Clifton <nickc@cygnus.com>
12523 * toplev.c (progname): Make 'const char *'
12524 (flag_print_mem): Move out of main.
12525 (version_flag): Move out of main.
12526 (filename): Move out of main.
12527 (debug_args): Remove g prefix from options.
12528 (documented_lang_options): Remove cpplib specific options.
12529 (display_help): Add g prefix to debug options.
12530 (check_lang_option): Delete this function.
12531 (decode_d_option): New function: Decode -d... option.
12532 (decode_f_option): New function: Decode -f... option.
12533 (decode_W_option): New function: Decode -W... option.
12534 (decode_g_option): New function: Decode -g... option.
12535 (independent_decode_option): New function: Decode a language
12536 independent command line option.
12537 (main): Invoke lang_decode_option and then
12538 independent_decode_option on each command line option in
12541 Mon Sep 20 05:41:36 1999 Jeffrey A Law (law@cygnus.com)
12543 Revert this change. Gavin's patch to operand_equal_p is a better fix.
12544 * fold-const.c (fold_range_test): Do not try to fold the range
12545 test if the rhs or lhs has side effects.
12547 * basic-block.h (compute_flow_dominators): Declare.
12549 * gcse.c (alloc_code_hoist_mem): New function.
12550 (free_code_hoist_mem, compute_code_hoist_vbeinout): Likewise.
12551 (compute_code_hoist_data, hoist_expr_reaches_here_p): Likewise.
12552 (hoist_code, one_code_hoisting_pass): Likewise.
12553 (gcse_main): If optimizing for size, then hoist expressions
12554 computed in multiple dominated basic blocks.
12556 * gcse.c (invalid_nonnull_info): New function.
12557 (delete_null_pointer_checks): Likewise.
12558 * rtl.h (delete_null_pointer_checks): Declare.
12559 * toplev.c (rest_of_compilation): Call delete_null_pointer_checks.
12561 * flow.c (merge_blocks_move_predecessor_nojumps): New function.
12562 (merge-blocks_move_successor_nojumps): Likewise.
12563 (merge_blocks): Allow merging of some blocks, even if it requires
12564 physical movement of the blocks, but not if it requires new jumps.
12566 * bitmap.c (debug_bitmap_file): Renmaed from bitmap_debug_file.
12567 Callers and prototype changed.
12568 * bitmap.h: Fix debug_bitmap and debug_bitmap_file prototypes.
12570 Mon Sep 20 06:56:32 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12572 * config/sparc/sol2.h (LINK_SPEC): Avoid the duplication of
12573 -YP when both -p and -pg are present. From i386/sol2.h.
12575 Mon Sep 20 10:49:05 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12577 * Makefile.in (distclean): Delete tm_p.h.
12578 * configure.in: Create a new file, "tm_p.h", from a list in
12579 "tm_p_file". For ix86 systems, set up "tm_p_file" to include
12580 "i386/i386-protos.h".
12582 * alias.c: Include "tm_p.h".
12583 * c-typeck.c: Likewise.
12584 * calls.c: Likewise.
12586 * emit-rtl.c: Likewise.
12587 * explow.c: Likewise.
12588 * expmed.c: Likewise.
12589 * expr.c: Likewise.
12590 * final.c: Likewise.
12591 * flow.c: Likewise.
12592 * fold-const.c: Likewise.
12593 * function.c: Likewise.
12594 * gcse.c: Likewise.
12595 * global.c: Likewise.
12596 * haifa-sched.c: Likewise.
12597 * integrate.c: Likewise.
12598 * jump.c: Likewise.
12599 * local-alloc.c: Likewise.
12600 * loop.c: Likewise.
12601 * optabs.c: Likewise.
12602 * recog.c: Likewise.
12603 * reg-stack.c: Likewise.
12604 * regclass.c: Likewise.
12605 * regmove.c: Likewise.
12606 * reload.c: Likewise.
12607 * reload1.c: Likewise.
12608 * reorg.c: Likewise.
12609 * resource.c: Likewise.
12610 * stmt.c: Likewise.
12611 * stor-layout.c: Likewise.
12612 * toplev.c: Likewise.
12613 * tree.c: Likewise.
12614 * unroll.c: Likewise.
12615 * genattrtab.c (main): Make generated file include "tm_p.h".
12616 * genemit.c (main): Likewise.
12617 * genoutput.c (main): Likewise.
12618 * genrecog.c (main): Likewise.
12620 * i386.h: Delete all prototypes.
12621 * i386.c: Include "tm_p.h".
12622 (ix86_attr_length_default): Call constant_call_address_operand
12623 with correct number of arguments.
12624 * i386-protos.h: New file.
12625 * i386.md (unnamed patterns): Call constant_call_address_operand
12626 with correct number of arguments.
12627 (exception_receiver): Call load_pic_register with correct number
12630 Sun Sep 19 14:18:39 1999 Richard Henderson <rth@cygnus.com>
12632 * c-pragma.c (mark_align_stack): Dereference the void* properly.
12634 Sun Sep 19 09:03:40 1999 Mark Mitchell <mark@codesourcery.com>
12636 * rtl.h (insns_safe_to_move_p): New function.
12637 * loop.c (find_and_verify_loops): Use it.
12638 * rtlanal.c (insns_safe_to_move_p): Define it.
12640 Sun Sep 19 02:54:33 1999 Richard Henderson <rth@cygnus.com>
12642 * c-pragma.c: Include ggc.h.
12643 * Makefile.in (c-pragma.o): Update.
12645 Sat Sep 18 16:01:18 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12647 * config/i386/sol2.h (CPP_SPEC): Support -[p]threads
12648 (LIB_SPEC): Likewise.
12649 (LINK_SPEC): Do not assert -z text with -shared -mimpure-text.
12650 Reindent -YP/-p/-pg.
12651 Copied from config/sparc/sol2.h.
12653 Sat Sep 18 11:52:43 1999 Richard Henderson <rth@cygnus.com>
12655 * c-pragma.c (mark_align_stack): New.
12656 (init_pragma): New.
12657 * c-pragma.h (init_pragma): Declare it.
12658 * c-lex.c (init_parse): Call it.
12660 Sat Sep 18 15:20:38 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12662 * configure.in: Pick up thread library on Solaris/x86 just
12663 like on Solaris/sparc.
12664 * configure: Rebuilt.
12666 Sat Sep 18 11:15:58 1999 Alex Samuel <samuel@codesourcery.com>
12668 * rtl.h (global_rtx_index): New enum.
12669 (global_rtl): Change to array of rtx.
12670 (pc_rtx, cc0_rtx): Redefine accordingly.
12671 (cc0_rtx, stack_pointer_rtx, frame_pointer_rtx): Likewise.
12672 (hard_frame_pointer_rtx, arg_pointer_rtx): Likewise.
12673 (virtual_incoming_args_rtx, virtual_stack_vars_rtx): Likewise.
12674 (virtual_outgoing_args_rtx, virtual_cfa): Likewise.
12675 (const_int_rtx): Change to array of rtx.
12676 (const0_rtx, const1_rtx, const2_rtx, constm1_rtx): Redefine
12678 * emit-rtl.c (global_rtl): Change to array of rtx.
12679 (const_int_rtx): Change to aray of rtx.
12680 (gen_rtx_CONST_INT): Redefine accordingly.
12681 (init_emit_once): Allocate and initialize global_rtl. Likewise
12682 for const_int_rtx. Add both as GC roots.
12683 * genattrtab.c (global_rtl): Update declaration.
12685 1999-09-17 Ulrich Drepper <drepper@cygnus.com>
12687 * Makefile (USER_H): Add iso646.h back.
12689 Sat Sep 18 01:07:21 1999 Jeffrey A Law (law@cygnus.com)
12691 * haifa-sched.c (sched_analyze): Use free_INSN_LIST_list instead of
12692 zapping the LOG_LINKS of sched_before_next_call.
12694 * pa.h (INSN_SETS_ARE_DELAYED): Delete.
12695 * pa.c (insn_refs_are_delayed): Renamed from
12696 insn_sets_and_refs_are_delayed.
12698 Fri Sep 17 15:19:01 1999 Mark Mitchell <mark@codesourcery.com>
12700 * functiion.h (struct function): Add x_whole_function_mode_p.
12701 (retrofit_block): Declare.
12702 * function.c (retrofit_block): New function.
12703 (identify_blocks): Add assertions. Allow an incomplete set of
12704 block notes if we're still generating code for the function.
12705 * integrate.c: Include loop.h.
12706 (expand_inline_function): Call find_loop_tree_blocks to map block
12707 notes to blocks when in whole-function mode. Use retrofit_block
12708 to insert new BLOCKs for the inlined function, rather than
12710 * stmt.c (expand_fixup): Likewise. Don't use pushlevel/polevel.
12711 * Makefile.in (integrate.o): Depend on loop.h.
12713 Fri Sep 17 15:11:20 1999 Mark Mitchell <mark@codesourcery.com>
12715 * tree.h (warn_about_unused_variables): Declare.
12716 * stmt.c (warn_about_unused_variables): New function, split out
12718 (expand_end_bindings): Here.
12720 Fri Sep 17 15:07:37 1999 Mark Mitchell <mark@codesourcery.com>
12722 * stmt.c (preserve_subexpressions_p): Don't crash when
12723 current_function->stmt is unset.
12725 Fri Sep 17 15:03:16 1999 Mark Mitchell <mark@codesourcery.com>
12727 * stmt.c (expand_start_bindings): Allow callers to pass a flag
12728 indicating that no NOTE_INSN_BLOCK_BEG note is required.
12729 (expand_start_target_temps): Use it.
12730 * except.c (expand_eh_region_start_for_decl): Likewise.
12731 * expr.c (expand_expr): Likewise.
12733 Fri Sep 17 15:05:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
12735 * fold-const.c (operand_equal_p): Pay attention to side effects.
12737 Fri Sep 17 11:14:17 1999 Jason Merrill <jason@yorick.cygnus.com>
12739 * libgcc2.c (L_exit): Check for ON_EXIT, not HAVE_ON_EXIT.
12740 * sparc/sunos4.h (HAVE_ON_EXIT): Remove.
12742 * tlink.c (scan_linker_output): Look for keywords before accepting
12743 a mangled name in quotes.
12745 Thu Sep 16 16:47:08 1999 Richard Henderson <rth@cygnus.com>
12747 * alpha/alpha-interix.h (DWARF2_UNWIND_INFO): Define to zero.
12748 * alpha/osf2or3.h (DWARF2_UNWIND_INFO): Likewise.
12750 Thu Sep 16 16:35:41 1999 Richard Henderson <rth@cygnus.com>
12752 * alpha.md: Revert Thu Nov 26 change that came in through the
12753 last gcc2 merge: reinstate (plus (plus ...)) reload patterns.
12754 Avoid earlyclobber when possible.
12756 Thu Sep 16 18:44:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12758 * libgcc2.c (__do_global_ctors): Call atexit with one arg.
12760 * sparc/sunos4.h (on_exit): Wrap prototype parameters in PARAMS().
12761 Define HAVE_ON_EXIT.
12763 Thu Sep 16 18:06:35 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12765 * system.h (CTYPE_CONV, TOUPPER, TOLOWER): New macros. Use
12766 CTYPE_CONV in all ctype macros.
12768 * cccp.c (initialize_char_syntax): Use uppercase ctype macro
12771 * cexp.y (initialize_random_junk): Likewise.
12773 * c4x.c (c4x_interrupt_function_p, c4x_handle_pragma): Likewise.
12775 * i370.c (handle_pragma): Likewise.
12777 * i370.h (ASM_OUTPUT_LABELREF, ASM_OUTPUT_ASCII): Likewise.
12779 * v850.c (override_options): Likewise.
12781 * doprint.c (_doprnt): Likewise.
12783 * fixinc/fixincl.c (main, quoted_file_exists, extract_quoted_files):
12786 * fixinc/server.c (load_data): Likewise.
12788 * fold-const.c (real_hex_to_f): Likewise.
12790 * genattr.c (write_upcase, gen_attr): Likewise.
12792 * genattrtab.c (convert_const_symbol_ref, evaluate_eq_attr,
12793 write_upcase): Likewise.
12795 * genemit.c (print_code): Likewise.
12797 * genopinit.c (gen_insn): Likewise.
12799 * genpeep.c (print_code): Likewise.
12801 * genrecog.c (print_code): Likewise.
12803 * optabs.c (init_libfuncs): Likewise.
12805 Thu Sep 16 14:03:32 1999 Mark Mitchell <mark@codesourcery.com>
12807 * haifa-sched.c (sched_analyze): Keep the list of notes organized
12809 (reemit_notes): Likewise.
12811 Thu Sep 16 11:50:52 1999 Alex Samuel <samuel@codesourcery.com>
12813 * ggc.h (ggc_root): Move to ggc-common.c.
12815 (ggc_mark_rtx, ggc_mark_tree): Change to macro.
12816 (ggc_mark_rtvec, ggc_mark_tree_varray): Declare extern.
12817 (ggc_mark_tree_hash_table, ggc_mark_string, ggc_mark): Likewise.
12818 (ggc_mark_roots, ggc_mark_rtx_children, ggc_mark_tree_children): New.
12819 * ggc-common.c (ggc_root): Move from ggc.h.
12820 (roots): Declare, static.
12821 (ggc_mark_rtx, ggc_mark_tree): Renamed to...
12822 (ggc_mark_rtx_children, ggc_mark_tree_children): Don't check for
12823 null or check/set mark bit.
12824 (ggc_mark_roots): New.
12825 * ggc-simple.c (ggc_collect): Call ggc_mark_roots.
12827 Thu Sep 16 11:37:32 1999 Richard Henderson <rth@cygnus.com>
12829 * m32r.c: Include toplev.h.
12830 (*): Add ATTRIBUTE_UNUSED as needed to arguments.
12831 (gen_compare): Rename swap_p to must_swap to match uses.
12832 Add default abort case.
12833 (m32r_output_function_epilogue): Remove unused variables.
12834 (m32r_print_operand): Use HOST_WIDE_INT_PRINT_HEX.
12835 * m32r.h (PROTO, STDIO_PROTO): Rename XPROTO; unconditionally
12836 define to empty parameter list. Update all uses.
12837 (predicate decls): Use enum machine_mode not int.
12838 * m32r.md (movsi): Call abort, not fatal_insn.
12839 (zero_branch_insn, rev_zero_branch_insn): Add default abort case.
12841 1999-09-14 Andrew Haley <aph@cygnus.com>
12843 * config/mips/mips.md (movsi_usw): if operand 1 is const_int 0,
12844 use $0 instead of 0.
12846 Thu Sep 16 10:53:36 1999 Bernd Schmidt <bernds@cygnus.co.uk>
12848 * reload1.c (order_regs_for_reload): Move hard_reg_n_uses
12849 computation out of loop over hard regs.
12851 Wed Sep 15 21:37:06 1999 Mark Mitchell <mark@codesourcery.com>
12853 * function.c (identify_blocks): Don't shadow a variable in an
12855 * integrate.c (integrate_decl_tree): Don't use pushlevel,
12856 pushdecl, or poplevel to build up the new BLOCK tree.
12857 (expand_inline_function): Likewise.
12858 (integrate_parm_decls): Likewise.
12860 Wed Sep 15 21:20:38 1999 Mark Mitchell <mark@codesourcery.com>
12862 * c-typeck.c (qualify_type): Merge qualifiers from both types.
12864 1999-09-15 Brad Lucier <lucier@math.purdue.edu>
12866 * toplev.c: Allow -f[no-]math-errno to set (clear) flag_errno_math
12867 * invoke.texi: Document this change.
12869 Wed Sep 15 17:56:00 1999 Richard Henderson <rth@cygnus.com>
12871 * emit-rtl.c (free_emit_status): Don't check DECL_DEFER_OUTPUT.
12873 (mark_emit_status): Renamed from mark_emit_state.
12874 * except.c (mark_eh_status): Renamed from mark_eh_state.
12875 Check not null before marking.
12876 (free_eh_status): New.
12877 * expr.c (mark_expr_status, free_expr_status): New.
12878 * function.c (free_machine_status): New.
12879 (free_after_parsing): New.
12880 (free_after_compilation): Move bits to free_after_parsing; call
12881 free_eh_status, free_expr_status; zero the marked members of the
12883 (prepare_function_start): No can_garbage_collect.
12884 Call init_eh_for_function.
12885 (expand_dummy_function_end): Free up current_function state.
12886 (mark_function_status): Renamed from mark_function_state.
12887 (mark_function_chain): No can_garbage_collect. Call mark_expr_status.
12888 * function.h (struct function): No can_garbage_collect.
12889 (free_machine_status, free_after_parsing): Declare.
12890 (free_eh_status, free_expr_status): Declare.
12891 * ggc.h (mark_expr_status): Declare.
12892 * stmt.c (free_stmt_status): Free the struct.
12893 (mark_stmt_status): Renamed from mark_stmt_state.
12894 (init_stmt): Don't call init_eh.
12895 (init_stmt_for_function): Don't call init_eh_for_function.
12896 * toplev.c (compile_file): Call init_eh.
12897 (rest_of_compilation): Free basic block info before ggc_collect.
12898 Call free_after_parsing; conditionally call free_after_compilation.
12899 * varasm.c (mark_varasm_status): Renamed from mark_varasm_state.
12900 Check not null before marking.
12901 (free_varasm_status): Don't check DECL_DEFER_OUTPUT. Free the struct.
12903 Wed Sep 15 17:53:16 1999 Richard Henderson <rth@cygnus.com>
12905 * c-lex.c (yylex): Initialize warn.
12907 Wed Sep 15 18:35:38 1999 Jeffrey A Law (law@cygnus.com)
12909 * pa.c (emit_move_sequence): Properly set the mode of the scratch
12910 register when performing secondary reloads for the SAR register.
12912 Wed Sep 15 15:51:52 1999 Mark Mitchell <mark@codesourcery.com>
12914 * rtl.h (NOTE_BLOCK_NUMBER): Replace with ...
12915 (NOTE_BLOCK): New macro.
12916 (NOTE_BLOCK_LIVE_RANGE_BLOCK): Remove.
12917 * function.h (identify_blocks): Change prototype.
12918 * function.c (identify_blocks): Simplify.
12919 (reorder_blocks): Likewise.
12920 * ggc-common.c (ggc_mark_rtx): Mark the BLOCK associated with a
12921 NOTE_INSN_BLOCK_{BEG,END}.
12922 * haifa-sched.c (sched_analyze): Don't put NOTE_BLOCK_NUMBER on
12923 the list of saved notes if the note isn't a
12924 NOTE_INSN_BLOCK_{BEG,END}.
12925 (move_insn1): Use NOTE_EH_HANDLER in comment, rather than
12927 (reemit_notes): Adjust recreation of notes to reflect new saved
12929 * print-rtl.c (print_rtx): Print the address of the BLOCK when
12930 printing a block note.
12931 * stmt.c (block_vector): Remove.
12932 (find_loop_tree_blocks): Simplify.
12933 (unroll_block_trees): Likewise.
12934 * tree.h (reorder_block): Change prototype.
12936 Wed Sep 15 14:39:35 1999 Jason Merrill <jason@yorick.cygnus.com>
12938 * gbl-ctors.h: Lose HAVE_ATEXIT. Don't define ON_EXIT.
12939 * libgcc2.c: Lose obsolete defn of WEAK_ALIAS.
12940 (__bb_init_func, __bb_init_prg): Use atexit instead of ON_EXIT.
12941 (__do_global_dtors): Likewise. Don't mess with _exit_dummy_decl.
12942 (atexit, exit): Simplify.
12943 * tm.texi: Document NEED_ATEXIT and ON_EXIT. Remove HAVE_ATEXIT.
12944 * config/lots: Remove defns of HAVE_ATEXIT.
12946 Wed Sep 15 10:25:12 1999 Mark Mitchell <mark@codesourcery.com>
12948 * calls.c (precompute_arguments): Fix typo in comment.
12949 * expr.c (preexpand_calls): Don't preexpand the cleanup in a
12952 Wed Sep 15 09:59:59 1999 Mark Mitchell <mark@codesourcery.com>
12954 * dsp16xx.c (override_options): Fix typos in GC root registration.
12956 Wed Sep 15 15:23:28 1999 Philip Blundell <pb@nexus.co.uk>
12958 * config/arm/linux-elf.h (MAKE_DECL_ONE_ONLY): Copy definition
12959 from config/svr4.h.
12960 (UNIQUE_SECTION_P, UNIQUE_SECTION): Likewise.
12961 (FUNCTION_PROFILER): Redefine appropriately for Linux.
12962 (CC1_SPEC): Likewise.
12964 Wed Sep 15 10:09:48 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12966 * genattr.c (main): Add extern prototype. Call return, not exit.
12967 * genattrtab.c (main): Likewise.
12968 * gencheck.c (main): Likewise.
12969 * gencodes.c (main): Likewise.
12970 * genconfig.c (main): Likewise.
12971 * genemit.c (main): Likewise.
12972 * genextract.c (main): Likewise.
12973 * genflags.c (main): Likewise.
12974 * gengenrtl.c (main): Likewise.
12975 * genopinit.c (main): Likewise.
12976 * genoutput.c (main): Likewise.
12977 * genpeep.c (main): Likewise.
12978 * genrecog.c (main): Likewise.
12980 * genattr.c (get_insn_name): Mark parameter with ATTRIBUTE_UNUSED.
12981 * genattrtab.c (get_insn_name): Likewise.
12982 * gencodes.c (get_insn_name): Likewise.
12983 * genconfig.c (get_insn_name): Likewise.
12984 * genemit.c (get_insn_name): Likewise.
12985 * genextract.c (get_insn_name): Likewise.
12986 * genflags.c (get_insn_name): Likewise.
12987 * genopinit.c (get_insn_name): Likewise.
12988 * genpeep.c (get_insn_name): Likewise.
12990 * gencheck.c (usage): Add static prototype.
12991 * genextract.c (print_path): Constify a char*.
12992 * genopinit.c (optabs): Likewise.
12993 * genoutput.c (operand_data, data, output_predicate_decls,
12994 compare_operands): Likewise.
12995 * genrecog.c (write_tree): Add default case in switch.
12997 Wed Sep 15 09:59:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12999 * rtl.h (get_insn_name, print_rtl_with_bb): Add prototypes.
13001 * print-rtl.c (get_insn_name): Remove prototype.
13003 * toplev.h (progname): Declare const.
13005 * toplev.c (init_decl_processing, init_obstacks, init_tree_codes,
13006 init_regs, init_optabs, init_stmt, init_reg_sets, dump_flow_info,
13007 dump_sched_info, dump_local_alloc, regset_release_memory,
13008 print_rtl, print_rtl_with_bb, rest_of_decl_compilation,
13009 error_with_file_and_line, error_with_decl, error_for_asm, error,
13010 fatal, warning_with_file_and_line, warning_with_decl, warning,
13011 pedwarn, pedwarn_with_decl, pedwarn_with_file_and_line, sorry):
13012 Remove redundant prototypes.
13014 (notice, check_lang_option, report_file_and_line, vnotice,
13015 mark_file_stack): Add static prototype.
13016 (set_fatal_function): Add prototype.
13017 (vnotice, report_file_and_line, set_fatal_function,
13018 check_lang_option): Constify a char*.
13019 (main): Prototype. Call return, not exit.
13021 Wed Sep 15 09:50:18 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13023 * aclocal.m4 (AC_GCC_C_LONG_DOUBLE): New macro.
13025 * configure.in (AC_GCC_C_LONG_DOUBLE): Call it.
13027 * gansidecl.h (HAVE_LONG_DOUBLE): Define if gcc for stage2.
13029 * ggc-simple.c (HAVE_LONG_DOUBLE): Test before using long double.
13031 Wed Sep 15 11:04:43 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13033 * function.c (assign_parms): Delete arg SECOND_TIME. Don't test it,
13034 behave as if it's zero in all cases.
13035 (expand_function_start): Adjust call to assign_parms.
13036 * tree.h (assign_parms): Adjust prototype.
13037 * objc/objc-act.c (hack_method_prototype): Adjust call to
13040 Tue Sep 14 21:47:06 1999 Jeffrey A Law (law@cygnus.com)
13042 * cse.c (FIXED_BASE_PLUS_P): Do not consider referneces to
13043 arg_pointer_rtx fixed if the argument pointer register is
13045 (NONZERO_BASE_PLUS_P): Likewise.
13047 Tue Sep 14 20:26:02 1999 Richard Henderson <rth@cygnus.com>
13049 * rtl.def (match_insn, match_insn2): Remove match_insn; rename
13050 match_insn2 to match_insn.
13051 * genrecog.c (add_to_sequence): Rename MATCH_INSN2.
13053 Tue Sep 14 20:10:29 1999 Richard Henderson <rth@cygnus.com>
13055 * Makefile.in (USER_H): Remove va-foo.h.
13057 * ginclude/{va-alpha.h,va-arc.h,va-c4x.h,va-clipper.h,va-h8300.h,
13058 va-i860.h,va-i960.h,va-m32r.h,va-m88k.h,va-mips.h,va-mn10200.h,
13059 va-mn10300.h,va-pa.h,va-ppc.h,va-pyr.h,va-sh.h,va-sparc.h,
13060 va-spur.h,va-v850.h}: Remove.
13062 Tue Sep 14 19:43:16 1999 Richard Henderson <rth@cygnus.com>
13064 * sparc/sparc.md (eligible_for_return_delay): New attribute.
13065 (in_return_delay): Use it instead of match_insn.
13067 Tue Sep 14 23:05:37 1999 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13069 * config/alpha/va_list.h (va-alpha.h): Do not include.
13070 (__gnuc_va_list): Typedef as in varargs.h.
13072 Tue Sep 14 18:14:03 1999 Richard Henderson <rth@cygnus.com>
13074 * ggc-common.c (ggc_mark_tree): Mark DECL_SOURCE_FILE and
13075 DECL_LIVE_RANGE_RTL.
13077 Tue Sep 14 16:47:08 1999 Mark Mitchell <mark@codesourcery.com>
13079 * except.c (expand_eh_region_start_for_decl): Use NOTE_EH_HANDLER,
13080 not NOTE_BLOCK_NUMBER.
13081 (expand_eh_region_end): Likewise.
13082 (find_exception_handler_labels): Likewise.
13083 (scan_region): Likewise.
13084 (exception_optimize): Likewise.
13085 (update_rethrow_references): Likewise.
13086 (set_insn_eh_region): Likewise.
13087 * final.c (final_scan_insn): Likewise.
13088 * flow.c (make_edges): Likewise.
13089 * integrate.c (expand_inline_function): Likewise.
13090 * print-rtl.c (print_rtx): Likewise.
13092 Tue Sep 14 16:30:16 1999 Richard Henderson <rth@cygnus.com>
13094 * ginclude/stdarg.h, ginclude/varargs.h: Implement in
13095 terms of builtin functions and types.
13097 * mips.c (mips_build_va_list): New.
13098 (mips_va_start, mips_va_arg): New.
13099 * mips.h (BUILD_VA_LIST_TYPE): New.
13100 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
13102 * sh.c (sh_builtin_saveregs): Use get_varargs_alias_set.
13103 (sh_build_va_list, sh_va_start, sh_va_arg): New.
13104 * sh.h (BUILD_VA_LIST_TYPE): New.
13105 (EXPAND_BUILTIN_VA_START, EXPAND_BUILTIN_VA_ARG): New.
13107 Tue Sep 14 16:20:24 1999 Richard Henderson <rth@cygnus.com>
13109 * recog.h (struct recog_data): Make dup_num, operand_address_p,
13110 n_operands, n_dups, n_alternatives `char' instead of `unsigned char'.
13111 (struct insn_data): Likewise with n_operands, n_dups,
13112 n_alternatives, output_format.
13113 * regclass.c (scan_one_insn): Cast n_operands to int before
13114 arithmetic inside comparison.
13116 Tue Sep 14 15:13:36 1999 Richard Henderson <rth@cygnus.com>
13118 * toplev.c (compile_function): Unconditionally emit nop.
13120 Tue Sep 14 14:41:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13122 * haifa-sched.c (actual_hazard): Move declaration of variable
13123 `this_cost' into the scope where it is used.
13125 Tue Sep 14 14:14:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13127 * c-pragma.c (handle_pragma_token): Wrap variables `name' and
13128 `value' in HANDLE_PRAGMA_WEAK. Wrap variable `align' in
13129 HANDLE_PRAGMA_PACK||HANDLE_PRAGMA_PACK_PUSH_POP.
13131 * genrecog.c (make_insn_sequence): Call memset, not bzero.
13133 * jump.c (find_insert_position): Don't declare or define unless
13134 !HAVE_conditional_arithmetic.
13135 (returnjump_p_1, delete_prior_computation): Add static prototypes.
13137 * mips-tdump.c (fatal, fancy_abort, main): Add extern prototypes.
13139 * recog.c (offsettable_address_p): Prototype function pointer.
13140 (preprocess_constraints): Call memset, not bzero.
13142 * tree.c (tree_node_kind_names): Constify a char*. Make static.
13143 (gcc_obstack_init): Don't declare.
13144 (fix_sizetype): Add static prototype.
13145 (gcc_obstack_init): Use prototype casts in call to _obstack_begin.
13146 (tree_cons): Call memset, not bzero.
13148 * varasm.c (remove_from_pending_weak_list): Wrap declaration and
13149 definition in macro ASM_WEAKEN_LABEL.
13150 (mark_const_hash_entry): Add static prototype.
13152 Tue Sep 14 12:22:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13154 * c-lex.c (handle_generic_pragma): Remove unused variable `c'.
13156 * unroll.c (find_common_reg_term, subtract_reg_term,
13157 loop_find_equiv_value): Add static prototypes.
13158 (unroll_loop): Wrap variable `prev' in macro HAVE_cc0.
13159 (copy_loop_body): Remove unreachable break statement.
13161 * sparc.c (sparc_va_arg): Remove unused variable `tmp'.
13163 * sparc.h (sparc_va_start, sparc_va_arg): Add extern prototypes.
13165 Tue Sep 14 15:28:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13167 Undo some changes from the gcc2 merge:
13168 * rtl.def (CONSTANT_P_RTX): Fix the comment for this rtx code.
13169 * emit-rtl.c (gen_rtx_REG): Don't test special reg rtx's for null
13173 Sat Oct 3 07:20:28 1998 Stephen L Moshier <moshier@world.std.com>
13174 * emit-rtl.c (gen_lowpart_common): Disable optimization of
13175 initialized float-int union if the value is a NaN.
13177 Tue Sep 14 04:03:44 1999 Mumit Khan <khan@xraylith.wisc.edu>
13179 * gthr-win32.h: New file.
13181 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Recognize
13182 shared as a valid attribute.
13183 * i386/cygwin.h (ASM_OUTPUT_SECTION): Handle shared attribute.
13184 * extend.texi: Document `shared' variable attribute.
13186 Tue Sep 14 04:01:46 1999 Loren Rittle <ljrittle@acm.org>
13188 * configure.in: Handle --enable-threads on FreeBSD.
13189 * configure: Rebuit.
13191 Tue Sep 14 03:58:44 1999 Andreas Jaeger <aj@arthur.rhein-neckar.de>
13193 * configure.in: Add crtbeginS.o, crtendS.o for mips-linux; add
13195 * configure: Rebuilt.
13197 Tue Sep 14 03:47:23 1999 Joel Sherrill <joel@OARcorp.com>
13198 Charles-Antoine Gauthier <charles.gauthier@iit.nrc.ca>
13199 Rosimildo DaSilva <rdasilva@connecttel.com>
13201 * configure.in (m68k-*-rtemscoff*): Added.
13202 * configure.in (mips64orion-*-rtems*): Converted to ELF.
13203 * configure.in (sparc-*-rtemsaout*): Added as alias for old
13204 sparc-rtems configuration.
13205 * configure.in (sparc-*-rtemself*): Added.
13206 * configure.in (sparc-*-rtems*): Now ELF not a.out.
13207 * config/i386/rtems.h: Added comment.
13208 * config/sparc/rtemself.h: New file.
13210 * configure.in (m68k-rtemself): Added.
13211 * config/elfos.h: Added ifndef wrapper for DWARF2_DEBUGGING_INFO
13212 and DWARF_DEBUGGING_INFO.
13213 * config/m68k/crti.s: New file.
13214 * config/m68k/crtn.s: New file.
13215 * config/m68k/t-crtstuff: New file.
13216 * config/m68k/rtemself.h: New file.
13218 * configure.in (i[[34567]]86-*-rtemself*): Now uses crtstuff for
13219 global ctor/dtor and C++ exception handling.
13220 * config/i386/rtemself.h: Now uses crtstuff (crti.o + crtbegin.o)
13221 for STARTFILE_SPEC and crtstuff (crtend.o + crtn.o) for
13223 * config/i386/t-rtems-i386: New File.
13225 Tue Sep 14 09:47:41 1999 Andreas Schwab <schwab@suse.de>
13227 * stmt.c (expand_end_case): Return right away if the case stack is
13230 Tue Sep 14 01:47:19 1999 Jeffrey A Law (law@cygnus.com)
13232 * Makefile.in (version.c): Remove rule incorrectly brought in from
13235 Tue Sep 14 01:42:27 1999 Marc Espie <espie@cvs.openbsd.org>
13237 * Makefile.in: Prepend $(SHELL) to move-if-change calls.
13238 * msdos/top.sed: Take into account a prepended $(SHELL) to
13240 * winnt/config-nt.sed: Likewise. Kill bogus substitution.
13242 * objc/Make-lang.in: Prepend $(SHELL) to move-if-change calls.
13244 Tue Sep 14 01:38:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
13246 * regmove.c (fixup_match_1): Don't change an unchanging register.
13247 (stable_but_for_p): Renamed to:
13248 (stable_and_no_regs_but_for_p). Reject unchanging registers too.
13249 Changed all callers.
13251 Tue Sep 14 01:33:15 1999 Andreas Schwab <schwab@suse.de>
13253 * loop.c (strength_reduce): Don't call reg_used_between_p if the
13254 insn from BL2 is after the insn from BL.
13256 Mon Sep 13 21:06:01 1999 Richard Henderson <rth@cygnus.com>
13258 * recog.h (INSN_OUTPUT_FORMAT_*): New.
13259 (struct insn_data): Merge `template' and `outfun' into `output'.
13260 Add `output_format'.
13261 * genoutput.c (INSN_OUTPUT_FORMAT_*): New.
13262 (struct data): Remove `outfun'; add `output_format'.
13263 (name_for_index): Remove declaration.
13264 (output_insn_data): Handle output formats.
13265 (process_template): Emit the bare array for @.
13266 (gen_expand, gen_split): Set output_format to NONE.
13267 * output.h (get_insn_template): Declare.
13268 * final.c (get_insn_template): New.
13269 (final_scan_insn): Use it.
13270 * toplev.c (compile_file): Likewise.
13272 * c4x/c4x.c (c4x_process_after_reload): Likewise.
13273 * i860/i860.c (output_delayed_branch): Likewise.
13274 (output_delay_insn): Likewise.
13276 1999-09-13 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13278 * rtl.c (obstack_alloc_rtx): Removed.
13280 1999-09-13 17:03 -0700 Zack Weinberg <zack@bitmover.com>
13282 * config/gmicro/gmicro.md: Disable move DF->DI anonymous pattern.
13284 Mon Sep 13 15:21:46 1999 Richard Henderson <rth@cygnus.com>
13286 * i386.c (call_insn_operand): Reject const_int.
13287 (expander_call_insn_operand): Use call_insn_operand.
13289 Mon Sep 13 17:44:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13291 * gcc.c (getrusage): Wrap prototype arguments in PROTO().
13293 1999-09-13 12:18 -0700 Zack Weinberg <zack@bitmover.com>
13295 * config/i370/i370.md (mulsi, divsi, modsi anonymous insns):
13296 Use DImode operation.
13298 1999-09-13 12:13 -0700 Zack Weinberg <zack@bitmover.com>
13300 * gcc.c: Include sys/resource.h.
13301 (report_times): New flag.
13302 (execute): If report_times is set, calculate and report the
13303 CPU time consumed by each subprocess.
13305 (rus, prus): New globals.
13306 (option_map): Add --time.
13307 (display_help): Document -time.
13308 (process_command): Set report_times if -time is given.
13309 Turn off -pipe if -time is given.
13311 * invoke.texi: Document new option -time.
13313 * configure.in: Check for getrusage. Check if we have to
13314 prototype getrusage.
13315 * acconfig.h: Add NEED_DECLARATION_GETRUSAGE.
13316 * configure: Regenerate.
13317 * config.in: Regenerate.
13319 Mon Sep 13 12:57:06 1999 Dave Brolley <brolley@cygnus.com>
13321 * cppinit.c (append_include_chain): Initialize 'next' and 'alloc'
13324 Mon Sep 13 10:01:33 1999 Nick Clifton <nickc@cygnus.com>
13326 * config/fp-bit.c: Define L_thenan_sf or L_thenan_df (as
13327 appropriate) if FINE_GRAINED_LIBRARIES is not defined.
13328 (nan): Return _thenan_sf or _thenan_df as appropriate.
13329 (L_thenan_sf): Define _thenan_sf.
13330 (L_thenan_df): Define _thenan_df.
13332 * Makefile.in (FPBIT_FUNCS): Add _thenan_sf.
13333 (DPBIT_FUNCS): Add _thenan_df.
13335 Mon Sep 13 09:38:53 1999 Andreas Schwab <schwab@suse.de>
13337 * tree.c (fix_sizetype): Exchange the types for TYPE_SIZE and
13340 Sun Sep 12 23:28:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13342 * Makefile.in (gcc.o, gccspec.o, cppspec.o): Depend on gcc.h.
13345 (lang_specific_driver): Don't take a function pointer parameter.
13346 All callers changed.
13348 * gcc.c: Include gcc.h.
13349 (do_spec, fancy_abort,lang_specific_driver,lang_specific_pre_link,
13350 lang_specific_extra_outfiles, fatal): Don't declare.
13351 (multilib_defaults_raw): Constify.
13352 (read_specs): Call memset, rather than bzero.
13353 (main): Call return, not exit.
13354 (lookup_compiler): Call memcpy, not bcopy.
13355 (fatal): Make extern.
13357 * cppspec.c: Include gcc.h.
13358 (lang_specific_driver): Initialize variable `quote'. Constify a
13359 char*. All calls to the function pointer parameter now
13360 explicitly call `fatal'.
13362 * gccspec.c (lang_specific_driver): Include gcc.h.
13364 Sun Sep 12 19:52:10 1999 Richard Earnshaw <rearnsha@arm.com>
13366 * arm.c (note_invalid_constants): Use recog_data.operand_type
13369 Sun Sep 12 15:53:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13371 * tree.h (build_common_tree_nodes, build_common_tree_nodes_2):
13374 * reload.h (reload_in, reload_out, reload_in_reg, reload_out_reg,
13375 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
13376 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
13377 reload_secondary_in_reload, reload_secondary_out_reload,
13378 reload_secondary_in_icode, reload_secondary_out_icode,
13379 reload_reg_rtx, reload_when_needed): Delete declarations.
13380 (struct reload): New structure.
13381 (rld): Declare new array.
13382 * reload.c (reload_in, reload_out, reload_in_reg, reload_out_reg,
13383 reload_reg_class, reload_inmode, reload_outmode, reload_optional,
13384 reload_nongroup, reload_inc, reload_opnum, reload_secondary_p,
13385 reload_secondary_in_reload, reload_secondary_out_reload,
13386 reload_secondary_in_icode, reload_secondary_out_icode,
13387 reload_reg_rtx, reload_when_needed): Delete definitions.
13389 (whole file): Replace uses of the deleted arrays with uses of rld.
13390 * reload1.c (whole file): Replace uses of the deleted arrays with
13392 (choose_reload_regs): Copy in/out of save_reload_reg_rtx with
13393 explicit loops, not with bcopy.
13395 Sun Sep 12 05:00:24 1999 Richard Henderson <rth@cygnus.com>
13397 * recog.h (insn_template, insn_outfun, insn_n_operands, insn_n_dups,
13398 insn_n_alternatives, insn_operand_constraint, insn_operand_address_p,
13399 insn_operand_mode, insn_operand_strict_low, insn_operand_predicate,
13400 insn_name): Delete and consolidate into new structures.
13401 (insn_operand_predicate_fn): New.
13402 (insn_output_fn): New.
13403 (insn_gen_fn): New.
13404 (struct insn_operand_data): New.
13405 (struct insn_data): New.
13407 (OUT_FCN): Update for insn_data change.
13408 * builtins.c (expand_builtin_strlen): Likewise.
13409 (expand_builtin_memcmp): Likewise.
13410 * combine.c (make_extraction, simplify_comparison): Likewise.
13411 * cse.c (canon_reg, cse_insn): Likewise.
13412 * explow.c (allocate_dynamic_stack_space, probe_stack_range): Likewise.
13413 * expmed.c (store_bit_field, extract_bit_field): Likewise.
13414 (emit_store_flag): Likewise.
13415 * expr.c (convert_move, emit_block_move): Likewise.
13416 (clear_storage, emit_push_insn, expand_increment): Likewise.
13417 (do_store_flag): Likewise.
13418 * expr.h (GEN_FCN): Likewise.
13419 (insn_gen_function): Die.
13420 * final.c (final_scan_insn): Update for insn_data change.
13421 (output_asm_name): Likewise.
13422 * function.c (fixup_var_refs_1): Likewise.
13423 * loop.c (check_dbra_loop): Likewise.
13424 * optabs.c (expand_binop, expand_twoval_binop): Likewise.
13425 (expand_unop, expand_complex_abs, emit_unop_insn): Likewise.
13426 (prepare_cmp_insn, prepare_operand, emit_indirect_jump): Likewise.
13427 (emit_conditional_move, gen_add2_insn, gen_sub2_insn): Likewise.
13428 * recog.c (validate_replace_rtx_1, extract_insn): Likewise.
13429 * regmove.c (gen_add3_insn): Likewise.
13430 * reload.c (push_secondary_reload, combine_reloads): Likewise.
13431 (find_reloads, find_reloads_address_1): Likewise.
13432 (debug_reload_to_stream): Likewise.
13433 * reload1.c (emit_reload_insns, gen_reload): Likewise.
13434 * stmt.c (expand_end_case): Likewise.
13435 * toplev.c (compile_file): Likewise.
13437 * c4x/c4x.c (c4x_process_after_reload): Likewise.
13438 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
13440 * print-rtl.c (insn_name_ptr): Remove declaration.
13441 (get_insn_name): Declare.
13442 (print_rtx): Use it.
13443 * genoutput.c (insn_name_ptr): Remove.
13444 (next_operand_number): New.
13445 (struct operand_data): New.
13446 (null_operand, odata, odata_end): New.
13447 (struct data): Use struct operand_data.
13448 (idata, idata_end): Renamed from insn_data and end_of_insn_data.
13449 (get_insn_name): Renamed from name_for_index.
13450 (output_prologue): Define NO_MD_PROTOTYPES.
13451 (output_predicate_decls): Break out from output_epilogue.
13452 Iterate over the operands list.
13453 (output_operand_data): Break out from output_epilogue. Emit
13454 just the operands list.
13455 (output_insn_data): Break out from output_epilogue. Emit just
13457 (output_epilogue): Remove.
13458 (output_get_insn_name): New.
13459 (constraints, op_n_alternatives, predicates, address_p): Die.
13460 (modes, strict_low, seen): Die.
13461 (scan_operands): Take new param `d' instead of writing to
13462 seven global variables.
13463 (compare_operands): New.
13464 (place_operands): New.
13465 (validate_insn_alternatives): Update for struct data change.
13466 (gen_insn): Don't zero or copy 7 global arrays. Update for
13467 scan_operands; call place_operands.
13468 (gen_peephole, gen_expand, gen_split): Likewise.
13469 (main): Update for new output routines.
13471 * genattr.c (insn_name_ptr): Remove.
13472 (get_insn_name): New function.
13473 * genattrtab.c, gencodes.c, genconfig.c, genemit.c: Likewise.
13474 * genextract.c, genflags.c, genopinit.c, genpeep.c: Likewise.
13475 * genrecog.c: Likewise.
13477 * alpha.md (adddi3): Make `pattern' array static.
13479 Sun Sep 12 22:05:21 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13481 * config/c4x/c4x.h (c4x_rpts_cycles_string,
13482 c4x_cpu_version_string): Constify char *.
13483 * config/c4x/c4x.c (c4x_rpts_cycles_string,
13484 c4x_cpu_version_string): Likewise.
13486 Sat Sep 11 23:28:33 1999 Richard Henderson <rth@cygnus.com>
13488 * tree.c (save_tree_status): Revert 10 Sep change.
13489 (restore_tree_status): Likewise. Call obstack_free with NULL
13490 before freeing the obstack proper.
13492 Sat Sep 11 23:23:46 1999 Richard Henderson <rth@cygnus.com>
13494 * cse.c (cse_main): If gc'ing, collect around cse_basic_block.
13496 * ggc-simple.c (ggc_pop_context): Fold outstanding bytes into
13497 surrounding context.
13499 Sat Sep 11 19:52:43 1999 Mark Mitchell <mark@codesourcery.com>
13501 * tree.c (type_hash_canon): Put all types in the hash-table, when
13504 Sat Sep 11 18:37:04 1999 Richard Henderson <rth@cygnus.com>
13506 * recog.h (struct recog_data, recog_data): New.
13507 (recog_foo variables): Kill.
13508 * recog.c (recog_operand, recog_operand_loc): Kill.
13509 (recog_dup_loc, recog_dup_num, recog_n_operands): Kill.
13510 (recog_n_dups, recog_n_alternatives, recog_operand_mode): Kill.
13511 (recog_constraints, recog_op_type, recog_operand_address_p): Kill.
13512 (recog_data): Define.
13513 (extract_insn): Update all recog_foo references to use recog_data.
13514 (preprocess_constraints, constrain_operands): Likewise.
13515 * final.c (final_scan_insn, cleanup_subreg_operands): Likewise.
13516 * genattrtab.c (main): Likewise.
13517 * genextract.c (main): Likewise.
13518 * genoutput.c: Likewise.
13519 * genrecog.c (write_subroutine, main): Likewise.
13520 * local-alloc.c (block_alloc): Likewise.
13521 * reg-stack.c (record_asm_reg_life, subst_asm_stack_regs): Likewise.
13522 * regclass.c (scan_one_insn, record_reg_classes): Likewise.
13523 * regmove.c (regmove_optimize, find_matches, fixup_match_1): Likewise.
13524 * reload.c (find_reloads, find_reloads_toplev): Likewise.
13525 * reload1.c (maybe_fix_stack_asms, eliminate_regs_in_insn): Likewise.
13526 (reload_cse_simplify_operands): Likewise.
13528 * arc/arc.c (arc_final_prescan_insn): Likewise.
13529 * arm/arm.c (note_invalid_constants, arm_final_prescan_insn): Likewise.
13530 * h8300/h8300.c (notice_update_cc): Likewise.
13531 * i386/i386.c (ix86_attr_length_default, ix86_agi_dependant): Likewise.
13532 * i860/i860.c (output_delayed_branch, output_delay_insn): Likewise.
13533 * mn10200/mn10200.c (notice_update_cc): Likewise.
13534 * mn10300/mn10300.c (notice_update_cc): Likewise.
13535 * romp/romp.c (update_cc): Likewise.
13536 * sparc/sparc.c (check_pic): Likewise.
13537 * v850/v850.c (notice_update_cc): Likewise.
13539 * genemit.c (main): Don't declare recog_operand.
13541 Sat Sep 11 12:41:55 1999 Alex Samuel <samuel@codesourcery.com>
13543 * ggc.h (rtvec_def): Forward declare.
13544 (tree_node): Likewise.
13545 (ggc_root): Define.
13547 (ggc_set_mark_rtx): Add prototype.
13548 (ggc_set_mark_rtvec): Likewise.
13549 (ggc_set_mark_tree): Likewise.
13550 * ggc-simple.c (ggc_root): Don't define.
13551 (roots): Don't declare.
13552 (ggc_mark_rtx): Remove.
13553 (ggc_mark_rtvec): Likewise.
13554 (ggc_mark_tree): Likewise.
13555 (ggc_mark_varray): Likewise.
13556 (ggc_mark_tree_hash_table_entry): Likewise.
13557 (ggc_mark_tree_hash_table): Likewise.
13558 (ggc_set_mart_rtx): New function.
13559 (ggc_set_mark_rtvec): Likewise.
13560 (ggc_set_mark_tree): Likewise.
13561 (ggc_add_root): Remove.
13562 (ggc_add_rtx_root): Likewise.
13563 (ggc_remove_tree_root): Likewise.
13564 (ggc_add_string_root): Likewise.
13565 (ggc_add_tree_varray_root): Likewise.
13566 (ggc_add_tree_hash_table_root): Likewise.
13567 (ggc_del_root): Likewise.
13568 (ggc_mark_rtx_ptr): Likewise.
13569 (ggc_mark_tree_ptr): Likewise.
13570 (ggc_mark_string_ptr): Likewise.
13571 (ggc_mark_tree_varray_ptr): Likewise.
13572 (ggc_mark_tree_hash_table_ptr): Likewise.
13573 * ggc-common.c: New file.
13574 * Makefile.in (OBJS): Add ggc-common.o.
13575 (ggc-common.o): List dependencies.
13577 1999-09-10 22:37 -0700 Zack Weinberg <zack@bitmover.com>
13579 * cppalloc.c (xstrdup): Use memcpy.
13580 * cpperror.c (cpp_print_containing_files): Don't use
13582 * cpplib.c (conditional_skip): Set temp->lineno.
13583 (do_endif): Make error message less obscure.
13584 (if_directive_name): New function.
13585 (cpp_get_token [case EOF]): Unwind the if stack and generate
13586 error messages for each unterminated conditional in this file.
13587 (parse_string): Do not behave differently if -traditional.
13589 Fri Sep 10 14:04:07 1999 Richard Henderson <rth@cygnus.com>
13591 * builtins.c (expand_builtin_va_arg): Cope with an array-type
13592 va_list decomposing to pointer-type.
13593 * rs6000.c (rs6000_va_start) Unwrap the ARRAY_TYPE to get at fields.
13594 (rs6000_va_arg): Likewise.
13596 Fri Sep 10 13:21:21 1999 Jim Wilson <wilson@cygnus.com>
13598 * except.c (start_dynamic_handler): Compute size using
13599 STACK_SAVEAREA_MODE.
13601 Fri Sep 10 16:01:23 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13603 * protoize.c: Remove various __STDC__ and POSIX hacks. Don't
13604 include directory headers. Don't define strrchr. Don't provide
13605 my_* replacement functions. Prefer PTR over `pointer_type'.
13606 Don't prototype system functions. Don't redefine getopt.
13608 (shortpath, fancy_abort, notice, savestring, dupnstr, substr,
13609 safe_read, safe_write, save_pointers, restore_pointers,
13610 is_id_char, in_system_include_dir, directory_specified_p,
13611 file_excluded_p, unexpand_if_needed, abspath, check_aux_info,
13612 find_corresponding_lparen, referenced_file_is_newer,
13613 save_def_or_dec, munge_compile_params, gen_aux_info_file,
13614 process_aux_info_file, identify_lineno, check_source,
13615 seek_to_line, forward_to_next_token_char, output_bytes,
13616 output_string, output_up_to, other_variable_style_function,
13617 find_rightmost_formals_list, do_cleaning, careful_find_l_paren,
13618 do_processing, is_syscalls_file, rename_c_file, find_extern_def,
13619 find_static_definition, connect_defs_and_decs, add_local_decl,
13620 add_global_decls, needs_to_be_converted, visit_each_hash_node,
13621 add_symbol, lookup, free_def_dec, find_file, reverse_def_dec_list,
13622 edit_fn_declaration, edit_formals_lists, edit_fn_definition,
13623 scan_for_missed_items, edit_file, string_list_cons): Add static
13625 (standard_exec_prefix, target_machine, target_version,
13626 default_syscalls_dir, string_list, string_list_cons, find_file,
13627 do_cleaning): Constify a char*.
13628 (safe_read, safe_write): Use PTR, not a char*.
13629 (is_id_char): Take an int, not a char.
13630 (main): Add prototype. Call return, not exit.
13632 Fri Sep 10 16:48:26 1999 Andrew Haley <aph@cygnus.com>
13634 * tree.c (type_hash_lookup): Check for equal TYPE_ALIGN fields
13635 when comparing types.
13637 Fri Sep 10 08:43:32 1999 Richard Henderson <rth@cygnus.com>
13639 * loop.c (basic_induction_var): Typo NULL_RTX -> NULL.
13640 (strength_reduce): Release the varrays from the no-bivs early exit.
13642 * reload1.c (order_regs_for_reload): Init hard_reg_n_uses before
13643 the loop over the registers.
13645 * tree.c (save_tree_status): Set maybepermanent_firstobj NULL
13647 (restore_tree_status): Check that instead when freeing the obstack.
13649 Wed Sep 8 16:12:04 1999 Andrew Haley <aph@cygnus.com>
13651 * alias.c (rtx_equal_for_memref_p): Allow CONST_DOUBLEs to be used
13654 Fri Sep 10 11:58:55 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13656 * i386.md (ashlqi3): For NON_QI_REG_P regs, use sall. Fix some
13657 operand size modifiers.
13659 Fri Sep 10 10:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13661 * c-common.c (c_common_nodes_and_builtins): Don't build
13663 * c-common.h (enum c_tree_index and related accesor macros): Remove
13664 everything now declared in tree.h.
13665 * c-decl.c (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
13666 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, WCHAR_UNSIGNED, FLOAT_TYPE_SIZE,
13667 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Don't provide defaults.
13668 (error_mark_node, void_type_node, char_type_node, integer_type_node,
13669 unsigned_type_node, ptr_type_node, va_list_type_node,
13670 integer_zero_node, null_pointer_node, integer_one_node): Delete.
13671 (init_decl_processing): Call build_common_tree_nodes and
13672 build_common_tree_nodes_2 instead of building their nodes here.
13673 Don't add roots for these nodes.
13674 * stor-layout.c (size_zero_node, size_one_node): Delete.
13675 (set_sizetype): Make a new node for bitsizetype each time.
13676 * tree.c (global_trees): New variable.
13677 (init_obstacks): Add a gc root for it.
13678 (CHAR_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
13679 LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE, FLOAT_TYPE_SIZE,
13680 DOUBLE_TYPE_SIZE, LONG_DOUBLE_TYPE_SIZE): Provide defaults.
13681 (build_common_tree_nodes): New function.
13682 (fix_sizetype): New function.
13683 (build_common_tree_nodes_2): New function.
13684 * tree.h (enum tree_index): New.
13685 (global_trees): Declare.
13686 Add accessor macros for all nodes now moved to global_trees.
13687 Delete their declarations.
13689 Thu Sep 9 20:15:46 1999 Richard Henderson <rth@cygnus.com>
13691 * c-decl.c (finish_function): When processing a nested function,
13692 push and pop GC context around rest_of_compilation.
13694 Thu Sep 9 16:42:06 1999 Richard Henderson <rth@cygnus.com>
13696 * i386.c (override_options): Remove ppro, pentium2, and p2 as aliases.
13697 Default ix86_arch to PROCESSOR_I386.
13698 * i386.h (CC1_CPU_SPEC): Don't add -march=foo. Remove -mno-foo.
13699 (CPP_486_SPEC, CPP_586_SPEC, CPP_686_SPEC): Delete.
13700 (CPP_CPU_DEFAULT_SPEC): Define to __tune_foo__.
13701 (CC1_CPU_SPEC): Make -march=foo define __foo__, and provide
13702 __tune_foo__ if no -mcpu. Make -mcpu=bar define __tune_bar__.
13703 (EXTRA_SPECS): Remove deleted specs.
13705 Thu Sep 9 16:03:06 1999 Richard Henderson <rth@cygnus.com>
13707 * function.c (assign_stack_local_1): Allocate from
13708 function->x_frame_offset, not frame_offset.
13710 Thu Sep 9 14:36:31 1999 Mark Mitchell <mark@codesourcery.com>
13712 * ggc.h (lang_cleanup_tree): Remove.
13713 * gcc-simple.c (ggc_free_tree): Don't call lang_cleanup_tree.
13714 * ggc-callbacks.c (lang_cleanup_tree): Remove.
13716 * c-decl.c (finish_struct): Use ggc_alloc to allocate
13717 TYPE_LANG_SPECIFIC when garbage collecting.
13718 (lang_mark_tree): Mark TYPE_LANG_SPECIFIC.
13719 (lang_cleanup_tree): Remove.
13721 Thu Sep 9 14:23:02 1999 Jason Merrill <jason@yorick.cygnus.com>
13723 * defaults.h (EH_FRAME_SECTION, EH_FRAME_SECTION_ASM_OP): Define here.
13724 * crtstuff.c: Not here.
13725 * dwarf2out.c: Or here.
13726 * libgcc2.c (__do_global_ctors, __do_global_dtors): Handle EH frame
13729 Thu Sep 9 09:40:58 1999 Mark Mitchell <mark@codesourcery.com>
13731 * function.h (free_after_compilation): Remove decl parameter.
13732 (free_varasm_status0: Likewise.
13733 (free_emit_status): Likewise.
13734 (free_stmt_status): Likewise.
13735 (free_after_compilation): Likewise.
13736 (init_lang_status): New variable.
13737 (free_lang_status): Likewise.
13738 * emit-rtl.c (free_emit_status): Make decl parameter implicit.
13739 * function.c (init_lang_status): New variable.
13740 (free_lang_status): Likewise.
13741 (push_function_context_to): Don't set function::decl here.
13742 (free_after_copmilation): Make decl parameter implicit. Call
13743 free_lang_status if defined.
13744 (prepare_function_start): Call init_lang_status if defined.
13745 (init_function_start): Set function::decl here.
13746 * profile.c (output_func_start_profiler): Don't call pushdecl
13747 until we've actually started the function.
13748 * stmt.c (free_stmt_status): Make decl parameter implicit.
13749 * toplev.c (rest_of_compilation): Don't pass decl to
13750 free_after_compilation.
13751 * varasm.c (free_varasm_status): Likewise.
13753 Thu Sep 9 17:23:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
13755 * except.c (call_get_eh_context): Add root when allocating static
13758 Thu Sep 9 15:24:59 BST 1999 Richard Earnshaw <rearnsha@arm.com>
13760 * arm.c: Include "ggc.h".
13761 (arm_add_gc_roots): New function.
13762 (arm_override_options): Call it.
13763 (aof_pic_entry): Add a GC root for aof_pic_label when it's allocated.
13765 * arm.md (define_asm_attributes): Add a pool_range attribute.
13767 Thu Sep 9 12:32:57 BST 1999 Nathan Sidwell <nathan@acm.org>
13769 * extend.texi (Volatiles): New node.
13771 Thu Sep 9 03:37:31 1999 Richard Henderson <rth@cygnus.com>
13773 * ggc-simple.c (IS_MARKED, IGNORE_MARK): New.
13774 (GGC_ANY_MAGIC, GGC_ANY_MAGIC_MARK): New.
13775 (struct ggc_any): Replace `mark' with `magic_mark'.
13776 (ggc_alloc_string): Use memcpy, not bcopy.
13777 (ggc_alloc_any): Set magic_mark. Update bytes_alloced_since_gc.
13778 (ggc_free_{rtx,rtvec,tree,string}): Mark inline.
13779 (ggc_free_any): New.
13780 (ggc_mark_string): Use IGNORE_MARK. Calc back to struct gcc_string.
13781 (ggc_mark): Use IGNORE_MARK. Abort if magic doesn't match.
13782 (ggc_collect): Re-enable collection avoidance. Use GGC_ANY_MARK.
13783 Use IS_MARKED. Use ggc_free_any.
13785 1999-09-09 Scott Bambrough <scottb@netwinder.org>
13787 * config/arm/linux-elf.h: define NO_IMPLICIT_EXTERN_C
13789 Thu Sep 9 01:55:21 1999 Richard Henderson <rth@cygnus.com>
13791 * toplev.c (main): Always init_ggc.
13793 Wed Sep 8 23:53:22 1999 Richard Henderson <rth@cygnus.com>
13795 * except.c (find_all_handler_type_matches): Free the list if
13796 we found no matches.
13798 * combine.c (SUBST): Break out to a real function do_SUBST.
13799 (SUBST_INT): Likewise.
13800 * gcse.c (free_pre_mem): Free `temp_bitmap'.
13801 (pre_insert): Free `inserted'.
13802 * loop.c (basic_induction_var): Always set `location'.
13804 * function.c (expand_function_end): Add initial_trampoline as a root.
13805 * rtl.h (init_varasm_once): Declare.
13806 * toplev.c (compile_file): Call it.
13807 * ggc-simple.c (ggc_mark_string_ptr): New.
13808 (ggc_add_string_root): New.
13809 (ggc_collect): Disable collection avoidance temporarily.
13810 * ggc.h (ggc_add_string_root): Declare.
13811 * except.c (create_rethrow_ref): Use ggc_alloc_string.
13812 * optabs.c (init_libfuncs): Likewise.
13813 * varasm.c (named_section): Use ggc_alloc_string.
13814 (make_function_rtl): Likewise.
13815 (make_decl_rtl): Likewise.
13816 (assemble_static_space): Likewise.
13817 (assemble_trampoline_template): Likewise.
13818 (output_constant_def): Likewise.
13819 (force_const_mem): Likewise.
13820 (mark_const_hash_entry): New.
13821 (mark_pool_sym_hash_table): New.
13822 (mark_varasm_state): Use it.
13823 (init_varasm_once): New.
13825 * expr.h (init_one_libfunc): Declare.
13826 * optabs.c (init_one_libfunc): New.
13827 (init_optabs): Use it.
13828 * config/gofast.h: Likewise.
13829 * config/sparc/sol2.h (INIT_SUBTARGET_OPTABS): Likewise.
13830 * config/sparc/sparc.h (INIT_TARGET_OPTABS): Likewise.
13832 Thu Sep 9 13:46:06 1999 Geoffrey Keating <geoffk@cygnus.com>
13834 * Makefile.in (cppexp.o): Depend on cpphash.h.
13835 * cppexp.c (cpp_lex): Handle `defined (xxx)' for poisoned xxx.
13837 * cpphash.c (special_symbol): Handle plain `xxx' for poisoned xxx.
13838 * cpplib.c (do_define): Generalise to handle poisoned definitions,
13839 redefining poisoned identifiers, etc.
13840 (do_undef): Don't allow poisoned identifiers to be undefined.
13841 (do_pragma): Add #pragma poison.
13842 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
13844 * cccp.c: Add T_POISON node type.
13845 (special_symbol): Handle `defined(xxx)' and plain `xxx' for
13847 (do_define): Generalise to handle poisoned definitions,
13848 redefining poisoned identifiers, etc.
13849 (do_undef): Don't allow poisoned identifiers to be undefined.
13850 (do_pragma): Add #pragma poison.
13851 (do_xifdef): Handle `#ifdef xxx' for poisoned xxx.
13853 * c-pragma.c (handle_pragma_token): Ignore #pragma poison.
13854 * c-pragma.h: Add ps_poison state. We now always have generic
13857 Wed Sep 8 20:30:42 1999 Mark Mitchell <mark@codesourcery.com>
13859 * ggc.h (ggc_alloc): New function.
13860 (ggc_mark): Likewise.
13861 * ggc-simple.c (ggc_any): New structure.
13862 (ggc_status): Add anys.
13863 (n_anys_collected): New variable.
13864 (ggc_alloc): Define.
13865 (ggc_mark): Likewise.
13866 (ggc_collect): Collect the anys.
13868 Wed Sep 8 20:15:14 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13870 * c-decl.c (mark_binding_level): Make static to match prototype.
13872 Wed Sep 8 16:41:27 1999 Richard Henderson <rth@cygnus.com>
13874 * flow.c (new_insn_dead_notes): Don't early out for preexisting regs.
13876 Wed Sep 8 16:07:52 1999 Richard Henderson <rth@cygnus.com>
13878 * gengenrtl.c (CONST_DOUBLE_FORMAT): Take the size REAL_ARITHMETIC
13879 will use into account. Expand the max width to 5.
13882 Wed Sep 8 16:01:14 1999 Richard Henderson <rth@cygnus.com>
13884 * ggc-simple.c (ggc_free_rtx): Poison the correct amount
13885 for the rtx length.
13887 Wed Sep 8 15:23:54 1999 Richard Henderson <rth@cygnus.com>
13889 * alpha.md (call value patterns): Remove the result predicates.
13891 Wed Sep 8 13:35:38 1999 Richard Henderson <rth@cygnus.com>
13893 * Makefile.in (stmp-fixinc): Remove extraneous exit 1 from
13896 Wed Sep 8 15:32:16 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13898 * system.h (sbrk, malloc, calloc, realloc): Backup prototypes
13899 changed from extern char *, to extern PTR. Also fix typo in
13900 NEED_DECLARATION_REALLOC test.
13902 * mips-tdump.c (malloc, calloc, realloc): Don't prototype.
13904 Wed Sep 8 11:40:47 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13906 * gansidecl.h (__attribute__, ATTRIBUTE_UNUSED_LABEL,
13907 ATTRIBUTE_UNUSED, ATTRIBUTE_NORETURN, ATTRIBUTE_PRINTF,
13908 ATTRIBUTE_PRINTF_1, ATTRIBUTE_PRINTF_2, ATTRIBUTE_PRINTF_3,
13909 ATTRIBUTE_PRINTF_4, ATTRIBUTE_PRINTF_5, GENERIC_PTR): Delete.
13911 * c-decl.c (field_decl_cmp): Use PTR instead of GENERIC_PTR.
13913 * cccp.c (pcfinclude): Likewise.
13915 * global.c (allocno_compare): Likewise.
13917 * haifa-sched.c (rank_for_schedule): Likewise.
13919 * local-alloc.c (qty_sugg_compare_1, qty_compare_1): Likewise.
13921 * reload1.c (hard_reg_use_compare, reload_reg_class_lower): Likewise.
13923 * stupid.c (stupid_reg_compare): Likewise.
13925 * tree.c (_obstack_allocated_p): Likewise.
13927 * varray.h (varray_data_tag, VARRAY_GENERIC_PTR_INIT): Likewise.
13929 1999-09-08 Bruce Korb autogen@linuxbox.com
13931 * Makefile.in: Give the hapless gperf user a hint about
13932 why "gperf -F" fails.
13934 Wed Sep 8 04:43:22 1999 Richard Henderson <rth@cygnus.com>
13936 * lists.c: Include ggc.h.
13938 (init_EXPR_INSN_LIST_cache): Install it.
13940 * ggc-simple.c (init_ggc): Absorb the old init.
13941 (ggc_push_context): Use xcalloc.
13942 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Likewise.
13943 (ggc_collect): Add [rvts] tags to the collection stats.
13945 Wed Sep 8 11:14:25 1999 Andreas Schwab <schwab@suse.de>
13947 * cccp.c (main): Fix handling of -include and -imacros options.
13949 Wed Sep 8 02:23:08 1999 Jeffrey A Law (law@cygnus.com)
13951 * cpplib.c (cpp_push_buffer): Fix order of arguments.
13953 Wed Sep 8 04:44:09 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
13955 * rtl.h (obstack_alloc_rtx): Removed, it's now static in
13958 Wed Sep 8 00:33:43 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
13960 * flow.c (insn_dead_p): Use XEXP rather than SUBREG_REG.
13961 * haifa-sched.c (sched_analyze_1): Use XEXP rather than SUBREG_REG
13962 and SET_DEST. Update comment.
13964 Wed Sep 8 18:55:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13966 * config/c4x/c4x.c: Include ggc.h.
13967 (c4x_add_gc_roots): New function.
13968 (c4x_override_options): Call c4x_add_gc_roots.
13970 Wed Sep 8 00:00:16 1999 Richard Henderson <rth@cygnus.com>
13972 * defaults.h (TARGET_ESC): Move ...
13973 * system.h: ... here, where Linas had it in the first place. Silly me.
13975 Tue Sep 7 23:46:35 1999 Linas Vepstas <linas@linas.org>
13977 * c-common.c: Use ISGRAPH, ISLOWER, toupper.
13978 * c-lex.c, cccp.c, cexp.c, cexp.y, cppexp.c, dwarf2out.c, genattr.c,
13979 genattrtab.c, genemit.c, genextract.c, genpeep.c, tree.c: Likewise.
13980 * system.h (IN_CTYPE_DOMAIN): Define to 1 if HOST_EBCDIC.
13981 * defaults.h (TARGET_ESC): Add default.
13983 Tue Sep 7 23:36:59 1999 Linas Vepstas <linas@linas.org>
13985 * configure.in: add i370-*-openedition, i370-*-mvs and
13986 i370-*-linux targets
13988 Tue Sep 7 23:31:53 1999 Mark Mitchell <mark@codesourcery.com>
13990 * dsp16xxx.c: Include ggc.h
13991 (override_options): Mark GC roots.
13992 * mn10200.c: Include ggc.h.
13993 (asm_file_start): Mark GC roots.
13994 * tahoe.c: Include ggc.h.
13995 (extensible_operand): Mark GC roots.
13997 Tue Sep 7 23:23:15 1999 Linas Vepstas <linas@linas.org>
13999 * README: Add section discussing status of ELF ABI.
14000 * i370.c: Fix misc spelling mistakes.
14001 (i370_label_scan): Updated notes, exception handling.
14002 (i370_function_prolog): Simplify ELF stack handling.
14003 * i370.h: (FIXED_REGISTERS): Free up r12 for ELF.
14004 (STACK_GROWS_DOWNWARD): ELF stack grows down.
14005 (ASM_DECLARE_FUNCTION_NAME): Fix crazy malloc size.
14006 * i370.md: (movdi): Add notes.
14007 (floatsidf2): Use stack not rtca for scratch float area.
14008 (iorsi3): Correct operand constraints.
14009 * x-oe: Restore TAROUTOPTS which are used by pax.
14011 Tue Sep 7 22:39:18 1999 Mark Mitchell <mark@codesourcery.com>
14013 * rs6000.c: Include ggc.h.
14014 (rs6000_add_gc_roots): New function.
14015 (override_options): Call it.
14017 Tue Sep 7 22:09:03 1999 Richard Henderson <rth@cygnus.com>
14019 * alpha.h (alpha_compare): New.
14020 (alpha_compare_op0, alpha_compare_op1, alpha_compare_fp_p): Remove.
14021 * alpha.c: Likewise for the definitions.
14022 (alpha_emit_conditional_branch): Update for alpha_compare.
14023 (alpha_emit_conditional_move): Likewise.
14024 * alpha.md (cmpdf, cmpdi): Likewise.
14025 (setcc patterns): Likewise. Zero alpha_compare after use.
14026 (sne): Optimize (x != 0) into (0U < x).
14028 Tue Sep 7 21:55:02 1999 Richard Henderson <rth@cygnus.com>
14030 * alpha.h (alpha_eh_epilogue_sp_ofs): Remove.
14031 (struct machine_function): Declare; add eh_epilogue_sp_ofs.
14032 (INIT_EXPANDERS): Remove.
14033 * alpha.c: Include ggc.h.
14034 (alpha_eh_epilogue_sp_ofs, alpha_return_addr_rtx): Remove.
14035 (alpha_init_machine_status, alpha_mark_machine_status): New.
14036 (override_options): Install them.
14037 (struct machine_function): Moved to alpha.h.
14038 (alpha_save_machine_status, alpha_restore_machine_status): Remove.
14039 (alpha_init_expanders): Remove.
14040 (alpha_return_addr): Adjust to use current_function->machine.
14041 (alpha_ra_ever_killed): Likewise.
14042 (alpha_expand_epilogue): Likewise.
14043 * alpha.md (eh_epilogue): Likewise.
14045 Wed Sep 8 14:34:42 1999 Ian Piumarta <piumarta@prof.inria.fr>
14046 Melissa O'Neill <oneill@cs.sfu.ca>
14047 Geoffrey Keating <geoffk@cygnus.com>
14049 * config/rs6000/rs6000.c (first_reg_to_save): Don't save fixed or
14050 call-used registers (call-saved registers must still be contiguous
14051 and end with r31, of course).
14053 Tue Sep 7 21:41:38 1999 Richard Henderson <rth@cygnus.com>
14055 * c-typeck.c (type_lists_compatible_p): Use simple_type_promotes_to.
14056 (self_promoting_type_p): Delete.
14057 (self_promoting_args_p): Move ...
14058 * c-common.c: ... here.
14059 (c_common_nodes_and_builtins): Initialize lang_type_promotes_to.
14060 (simple_type_promotes_to): New.
14061 * builtins.c (lang_type_promotes_to): New.
14062 (expand_builtin_va_arg): Use it to give diagnostic for illegal types.
14063 * c-tree.h (C_PROMOTING_INTEGER_TYPE_P): Move ...
14064 * c-common.h: ... here.
14065 (self_promoting_args_p, simple_type_promotes_to): Declare.
14066 * c-decl.c (duplicate_decls): Use simple_type_promotes_to.
14067 (grokdeclarator): Likewise.
14068 * tree.h (lang_type_promotes_to): Declare.
14070 Tue Sep 7 17:15:21 1999 Mark Mitchell <mark@codesourcery.com>
14072 Add some machine-dependent GC roots.
14073 * sparc.c: Include ggc.h.
14074 (sparc_add_gc_roots): New function.
14075 (mark_ultrasparc_pipeline_state): Likewise.
14076 (override_options): Call sparc_add_gc_roots.
14077 * pa.c: Include ggc.h.
14078 (pa_add_gc_roots): New function.
14079 (mark_deferred_plabels): Likewise.
14080 (override_options): Call pa_add_gc_roots.
14081 * mips.c: Include ggc.h.
14082 (mips_add_gc_roots): New function.
14083 (override_options): Use it.
14085 Tue Sep 7 11:39:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14087 * cpperror.c (cpp_file_line_for_message): Constify a char*.
14089 * cppexp.c (parse_number, parse_charconst, cpp_lex,
14090 cpp_parse_expr): Add static prototypes.
14091 (parse_charconst): Don't cast away const-ness.
14092 (token): Constify a char*.
14094 * cppfiles.c (file_name_list, include_hash, find_include_file,
14095 finclude, initialize_input_buffer): Constify a char*.
14096 (file_cleanup, find_position): Add static prototypes.
14098 * cpphash.c (macro_cleanup, macarg, timestamp, special_symbol,
14099 collect_expansion): Add static prototypes.
14100 (cpp_install, create_definition, monthnames): Constify a char*.
14102 * cpphash.h (cpp_install): Likewise.
14104 * cppinit.c (known_suffixes, default_include,
14105 dump_special_to_buffer, NAME, cpp_start_read, cpp_finish): Likewise.
14106 (base_name, dump_special_to_buffer, initialize_dependency_output):
14107 Add static prototypes.
14109 * cpplib.c (my_strerror): Constify a char*.
14110 (null_underflow, null_cleanup, skip_comment, copy_comment,
14111 copy_rest_of_line, handle_directive, pass_thru_directive,
14112 get_directive_token, read_line_number, cpp_print_file_and_line,
14113 v_cpp_error, v_cpp_warning, v_cpp_error_with_line,
14114 v_cpp_warning_with_line, detect_if_not_defined,
14115 consider_directive_while_skipping): Add static prototypes.
14116 (pass_thru_directive, check_macro_name, cpp_expand_to_buffer,
14117 cpp_pedwarn_with_file_and_line): Constify a char*.
14119 * cpplib.h (cpp_options, include_hash, progname, definition,
14120 cpp_pedwarn_with_file_and_line, cpp_expand_to_buffer,
14121 check_macro_name, cpp_pfatal_with_name, cpp_file_line_for_message,
14122 find_include_file, deps_output, include_hash): Constify a char*.
14124 * cppmain.c (progname): Constify.
14125 (main): Add prototype. Use return, not exit.
14127 * fix-header.c (fatal, add_symbols, lookup_std_proto, write_lbrac,
14128 recognized_macro, check_macro_names, read_scan_file, write_rbrac,
14129 inf_skip_spaces, inf_read_upto, inf_scan_ident, inf_scan_ident,
14130 check_protection): Add static prototype.
14132 (progname, recognized_macrom, recognized_extern): Constify a char*.
14133 (main): Add prototype.
14135 * gen-protos.c (progname): Constify a char*.
14137 Tue Sep 7 00:47:52 1999 Mark Mitchell <mark@codesourcery.com>
14139 * emit-rtl.c (free_emit_status): Take decl as a parameter.
14140 (init_emit_once): Add more GC roots.
14141 * except.c (mark_func_eh_entry): New function.
14142 (mark_eh_node): Mark false_label and rethrow_label.
14143 (init_eh): Add more GC roots.
14144 * function.c (free_after_compilation): Take decl as a paramter.
14145 Call free_stmt_status.
14146 (mark_function_state): Don't assume x_parm_reg_stack_loc is
14148 * function.h (free_after_compilation): Change prototype.
14149 (free_varasm_status): Likewise.
14150 (free_emit_status): Likewise.
14151 (free_stmt_status): New function.
14152 * ggc-simple.c (rtx, vecs, trees, strings, bytes_alloced_since_gc):
14153 Remove, replacing with ...
14154 (ggc_status): New structure.
14155 (ggc_chain): New variable.
14156 (init_gcc): Define.
14157 (ggc_push_context): New function.
14158 (ggc_pop_context): Likewise.
14159 (ggc_alloc_rtx): Adjust for use of ggc_chain.
14160 (ggc_alloc_rtvec): Likewise.
14161 (ggc_alloc_tree): Likewise.
14162 (ggc_alloc_string): Likewise.
14163 (ggc_mark_rtx): Mark NOTE_SOURCE_FILE and NOTE_RANGE_INFO.
14164 (ggc_mark_tree): Give language-dependent code a chance to mark
14166 (ggc_mark_tree_varray): Handle empty arrays.
14167 (ggc_collect): Adjust for use of ggc_chain. Clear
14168 bytes_alloced_since_last_gc.
14169 * ggc.h (ggc_pop_context): New function.
14170 (ggc_push_context): Likewise.
14171 * print-tree.c (print_node): Don't print obstacks when GC'ing.
14172 * stmt.c (free_stmt_status): New function.
14173 (init_stmt_for_function): Clear last_expr_value.
14174 * toplev.c (rest_of_compilation): Always call free_after_compilation.
14175 Conditionalize call to ggc_collect.
14176 (main): Call init_ggc.
14177 * tree.c (push_obstacks): Do the push, even when GC'ing.
14178 (push_obstacks_nochange): Likewise.
14179 (pop_obstacks): Liekwise.
14180 * varasm.c (free_varasm_status): Take decl as a parameter.
14182 Tue Sep 7 08:15:49 1999 Gavin Romig-Koch <gavin@cygnus.com>
14184 * config/mips/mips.h (MULTILIB_ENDIAN_DEFAULT) : New macro.
14185 (MULTILIB_ENDIAN_DEFAULT) : Use the new macro.
14186 * config/mips/elf64.h (MULTILIB_DEFAULTS) : Use the new macro.
14187 * config/mips/r3900.h (MULTILIB_DEFAULTS) : Use the new macro.
14189 Tue Sep 7 03:42:45 1999 Mark Klein (mklein@dis.com)
14191 * pa/x-pa-mpeix: New file for the MPE port.
14193 * pa/quadlib.asm: New file for long double support.
14195 * configure.in: Add hppa1.0-*-mpeix for MPE port.
14196 * configure: Rebuilt.
14198 Tue Sep 7 10:08:40 1999 Andreas Schwab <schwab@suse.de>
14200 * final.c (shorten_branches): Fix last change.
14202 Tue Sep 7 00:30:32 1999 Jeffrey A Law (law@cygnus.com)
14204 * pa.h (ASM_OUTPUT_DOUBLE_INT): Delete.
14206 Mon Sep 6 22:44:47 1999 Jeffrey A Law (law@cygnus.com)
14208 * Merge from gcc2 snapshot Jan 9, 1999. See FSFChangeLog for
14211 Mon Sep 6 22:31:28 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14213 * c-aux-info.c (concat): Don't define.
14215 * cccp.c (my_strerror): Likewise. All callers changed to use
14217 (do_include): Call xstrdup, not xmalloc/strcpy.
14218 (grow_outbuf): Don't check if xrealloc returns NULL, it can't.
14219 (xmalloc, xrealloc, xcalloc, xstrdup): Don't define.
14221 * collect2.c (my_strsignal): Likewise. All callers changed to use
14223 (locatelib): Call xstrdup, not xmalloc/strcpy.
14225 * 1750a.h (ASM_OUTPUT_INTERNAL_LABEL): Call xmalloc, not malloc.
14227 * dsp16xx.c (override_options): Call xstrdup, not xmalloc/strcpy.
14229 * i370.h (ASM_DECLARE_FUNCTION_NAME): Call xmalloc, not malloc.
14231 * mips.c (build_mips16_call_stub): Call xstrdup, not xmalloc/strcpy.
14233 * cppinit.c (cpp_options_init): Call xcalloc, not xmalloc/bzero.
14235 * dwarfout.c (dwarfout_init): Call concat, not xmalloc/strcpy/...
14237 * except.c (new_eh_region_entry): Call xmalloc/xrealloc, not
14239 (find_all_handler_type_matches): Likewise. Don't check return
14241 (get_new_handler, init_insn_eh_region, process_nestinfo): Call
14242 xmalloc, not malloc.
14243 (init_eh_nesting_info): Likewise. Call xcalloc, not xmalloc/bzero.
14245 * gcc.c (xstrerror, xmalloc, xrealloc): Don't define.
14246 (init_spec): Call xcalloc, not xmalloc/bzero.
14247 (set_spec): Call xstrdup, not save_string.
14248 (record_temp_file): Call xstrdup, not xmalloc/strcpy.
14249 (find_a_file): Call xstrdup, not xmalloc/strcpy.
14250 (process_command): Call xstrdup, not save_string.
14251 (main): Call xcalloc, not xmalloc/bzero.
14253 * gcov.c (xmalloc): Don't define.
14254 (create_program_flow_graph): Call xcalloc, not xmalloc/bzero.
14255 (scan_for_source_files): Call xstrdup, not xmalloc/strcpy.
14256 (output_data): Call xcalloc, not xmalloc/bzero.
14258 * haifa-sched.c (schedule_insns): Call xcalloc, not xmalloc/bzero.
14260 * mips-tdump.c (xmalloc): Don't define.
14261 (print_symbol): Call xmalloc, not malloc.
14262 (read_tfile): Call xcalloc, not calloc.
14264 * mips-tfile.c (xfree, my_strsignal, xmalloc, xcalloc, xrealloc):
14265 Don't define. All callers of xfree/my_strsignal changed to use
14266 free/strsignal instead.
14267 (allocate_cluster): Call xcalloc, not calloc.
14269 * objc/objc-act.c (lang_init): Call concat, not xmalloc/strcpy/...
14270 Fix memory leak, free allocated memory.
14272 * prefix.c (translate_name): Call xstrdup, not save_string.
14273 (update_path): Likewise.
14275 * profile.c (branch_prob): Call xstrdup, not xmalloc/strcpy.
14277 * protoize.c (xstrerror, xmalloc, xrealloc, xfree, savestring2):
14278 Don't define. Callers of xfree/savestring2 changed to use
14279 free/concat instead.
14281 * reload1.c (reload): Call xcalloc, not xmalloc/bzero.
14282 (init_elim_table): Likewise.
14284 * resource.c (init_resource_info): Likewise.
14286 * stupid.c (stupid_life_analysis): Likewise.
14288 * toplev.c (xmalloc, xcalloc, xrealloc, xstrdup): Don't define.
14289 (open_dump_file): Call concat, not xmalloc/strcpy/...
14290 (clean_dump_file): Likewise.
14291 (compile_file): Call xstrdup, not xmalloc/strcpy.
14293 Mon Sep 6 15:04:55 1999 Richard Henderson <rth@cygnus.com>
14295 * v850.h (EXPAND_BUILTIN_VA_ARG): New.
14296 * v850.c (v850_va_arg): New.
14298 Tue Sep 7 09:36:01 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14300 * haifa-sched.c: Tidy comments.
14302 Mon Sep 6 14:30:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14304 * Makefile.in (C_AND_OBJC_OBJS): Remove ggc-callbacks.o.
14305 (c-parse.o, c-decl.o, c-lang.o, c-lex.o, c-common.o,
14306 $(out_object_file)): Depend on ggc.h.
14307 * c-common.c: Include "ggc.h".
14308 (combine_strings): If doing GC, use ggc_alloc_string.
14309 * c-decl.c: Include "ggc.h".
14310 (ggc_p): Define with value 0.
14311 (mark_binding_level): New function.
14312 (init_decl_processing): Add GC roots.
14313 (mark_c_function_context): New function.
14314 (lang_mark_false_label_stack): New function.
14315 (lang_mark_tree): New function.
14316 (lang_cleanup_tree): New function.
14317 * c-lang.c: Include "ggc.h".
14318 (lang_init): Call c_parse_init.
14319 * c-lex.c: Include "ggc.h".
14320 (check_linenum): If doing GC, don't copy filenames to permanent
14322 * c-parse.in: Include "ggc.h".
14323 (c_parse_init): New function.
14324 * c-tree.h (c_parse_init, mark_c_function_context): Declare.
14325 * objc/Make-lang.in (objc-parse.o): Depend on ggc.h.
14327 * except.c (mark_eh_state): Mark more state.
14328 * function.c (mark_function_state): Likewise.
14329 * ggc-simple.c (ggc_alloc_rtvec): Bring in sync with non-gc version.
14330 (ggc_alloc_string) [GGC_DUMP]: Fix typo.
14331 * toplev.c (mark_file_stack): New function.
14332 (compile_file): If doing GC, use ggc_alloc_string on input filename.
14333 (main): Add root for input_file_stack.
14335 * i386.c: Include "ggc.h".
14336 (ix86_mark_machine_status): New function.
14337 (override_options): Set mark_machine_status.
14339 Mon Sep 6 15:26:23 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14341 * tree.c (copy_node): Copy node contents also if doing GC.
14343 Mon Sep 6 08:42:06 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
14345 * collect2.c (scan_libraries): Fix double-thinko :-).
14347 Mon Sep 6 02:42:36 1999 Jeffrey A Law (law@cygnus.com)
14349 * collect2.c (scan_libraries): Fix thinko.
14351 * cse.c (delete_trivially_dead_insns): Do not skip the last
14352 insn if it is a real insn.
14354 Sun Sep 5 18:57:42 1999 Mark Mitchell <mark@codesourcery.com>
14356 * Makefile.in (ggc-simple.o): Depend on hash.h.
14357 * ggc.h (ggc_add_tree_hash_table_root): Declare.
14358 (ggc_mark_tree_varray): Likewise.
14359 (ggc_mark_tree_hash_table): Likewise.
14360 * ggc-simple.c: Include hash.h.
14361 (ggc_mark_tree_hash_table_ptr): New function.
14362 (ggc_mark_tree_hash_table_entry): Likewise.
14363 (ggc_mark_tree_hash_table): Likewise.
14364 (ggc_add_tree_hash_table_root): Likewise.
14365 * varray.h (const_equiv_data): Use struct rtx_def *, rather than
14366 rtx, when defining fields.
14368 Sun Sep 5 18:57:42 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
14370 * profile.c (output_func_start_profiler): Remove apparently
14371 nonsensical call to start_sequence.
14373 Sun Sep 5 17:34:33 1999 Richard Henderson <rth@cygnus.com>
14375 * clipper/clipper.c (clipper_va_start): Fix typos.
14377 * pyr/pyr.c (pyr_build_va_list, pyr_va_start, pyr_va_arg): New stubs.
14378 * spur/spur.c (spur_build_va_list, spur_va_start): New stubs.
14379 (spur_va_arg): New stub.
14381 * configure.in: Comment out pyramid.
14383 Sun Sep 5 19:11:01 1999 Michael Meissner <meissner@cygnus.com>
14385 * i386.h (MASK_{DEBUG_{ADDR,ARG},INTEL_SYNTAX}): Move so these
14386 don't conflict with the bits that win32, cygwin, and dgux
14389 Sun Sep 5 09:31:56 1999 Richard Henderson <rth@cygnus.com>
14390 Bernd Schmidt <bernds@cygnus.co.uk>
14392 * integrate.c (function_cannot_inline_p): Do not inline
14393 functions with forced labels.
14395 Sun Sep 5 00:35:17 1999 Richard Henderson <rth@cygnus.com>
14396 Bernd Schmidt <bernds@cygnus.co.uk>
14397 Mark Mitchell <mark@codesourcery.com>
14399 * Makefile.in (ggc-simple.o): Depend on varray.h.
14400 (rtl.o): Depend on ggc.h.
14401 (genattrtab.o): Depend on ggc.h.
14402 (print-tree.o): Likewise.
14403 (fold-const.o): Likewise.
14404 * emit-rtl.c (sequence_element_free_list): Remove, and all references.
14405 (make_insn_raw): Don't cache insns when GC'ing.
14406 (emit_insn_before): Likewise.
14407 (emit_insn_after): Likewise.
14408 (emit_insn): Likewise.
14409 (start_sequence): Use xmalloc to allocate the sequence_stack.
14410 (end_sequence): Add free to free it.
14411 (gen_sequence): Don't cache insns when GC'ing.
14412 (clear_emit_caches): Don't use sequence_element_free_list.
14413 (init_emit): Use xcalloc, not xmalloc+bzero.
14414 * fold-const.c (size_int_wide): Kill the cache, when GC'ing.
14415 * function.c (pop_function_context_from): Use free to free the
14416 fixup_var_refs_queue.
14417 (put_reg_into_stack): Allocate it with xmalloc.
14418 * genattrtab.c: Include ggc.h.
14419 (operate_exp): Don't use obstack_free when GC'ing.
14420 (simplify_cond): Likewise.
14421 (simplify_text_exp): Likewise.
14422 (optimize_attrs): Likewise.
14423 * gengenrtl.c (gendef): Use ggc_alloc_rtx to allocate RTL, when
14425 (gencode): Generate a #include for ggc.h.
14426 * ggc-callbacks.c (ggc_p): Define it to zero.
14427 * ggc-none.c (ggc_p): Likewise.
14428 * ggc-simple.c: Include varray.h.
14429 (ggc_mark_tree_varray): New function.
14430 (ggc_add_tree_varray_root): Likewise.
14431 (ggc_mark_tree_varray_ptr): Likewise.
14432 * ggc.h (ggc_p): Declare.
14433 (varray_head_tag): Likewise.
14434 (ggc_add_tree_varray_root): Declare.
14435 * print-tree.c (print_node): Don't check for TREE_PERMANENT
14436 inconsistencies when GC'ing.
14437 * rtl.c: Include ggc.h.
14438 (rtvec_alloc): Use ggc_alloc_rtvec when GC'ing.
14439 (rtx_alloc): Use ggc_alloc_rtx when GC'ing.
14440 (rtx_free): Don't call obstack_free when GC'ing.
14441 * toplev.c (rest_of_compilation): Call ggc_collect after every
14443 * tree.c (push_obstacks): Do nothing, if GC'ing.
14444 (pop_obstacks_nochange): Likewise.
14445 (pop_obstacks): Likewise.
14446 (make_node): Use ggc_alloc_tree when GC'ing.
14447 (copy_node): Likewise.
14448 (get_identifier): Use ggc_alloc_string when GC'ing.
14449 (build_string): Likewise.
14450 (make_tree_vec): Use ggc_alloc_tree when GC'ing.
14451 (tree_cons): Likewise.
14452 (build1): Likewise.
14453 (type_hash_canon): Don't call obstack_free when GC'ing.
14455 Sat Sep 4 21:52:32 1999 Richard Henderson <rth@cygnus.com>
14457 * haifa-sched.c (schedule_block): Use next_nonnote_insn instead
14458 of NEXT_INSN when examining speculative insns for SCHED_GROUP_P.
14460 Sat Sep 4 20:40:19 1999 Richard Henderson <rth@cygnus.com>
14461 Bernd Schmidt <bernds@cygnus.co.uk>
14462 Mark Mitchell <mark@codesourcery.com>
14464 * Makefile.in (stor-layout.o): Depend on ggc.h.
14465 (expr.o): Depend on ggc.h.
14466 (profile.o): Depend on ggc.h.
14467 (stor-layout.o): Depend on ggc.h.
14468 * emit-rtl.c (init_emit_once): Add gc roots.
14469 * expr.c: Include ggc.h.
14470 (emit_block_move): Add gc roots.
14471 (clear_storage): Likewise.
14472 * expr.h (init_stor_layout_once): New function.
14473 * profile.c: Include ggc.h.
14474 (init_arc_profiler): profiler_label is a root.
14475 * scan.c (make_sstring_space): Trust xrealloc to function
14476 correctly with first parameter NULL.
14477 * stor-layout.c: Include ggc.h.
14478 (set_sizetype): Add gc root.
14479 (init_stor_layout_once): New function.
14480 * toplev.c (compile_file): Call it.
14482 Sat Sep 4 19:26:25 1999 Richard Henderson <rth@cygnus.com>
14483 Bernd Schmidt <bernds@cygnus.co.uk>
14484 Mark Mitchell <mark@codesourcery.com>
14486 * Makefile.in (tree.o): Depend on ggc.h.
14487 (varasm.o): Likewise.
14488 (function.o): Likewise.
14489 (stmt.o): Likewise.
14490 (except.o): Likewise.
14491 (optabs.o): Likewise.
14492 (emit-rtl.o): Likewise.
14493 * emit-rtl.c: Include ggc.h.
14494 (sequence_element_free_list): Remove, and all references.
14495 (mark_sequence): New functions.
14496 (mark_emit_state): New function.
14497 * except.c: Include ggc.h.
14498 (mark_eh_node, mark_eh_stack, mark_eh_queue): New functions.
14499 (mark_tree_label_node): New functions.
14500 (mark_eh_state): New function.
14501 * function.c: Include ggc.h.
14502 (mark_temp_slot, mark_function_chain): New functions.
14503 (mark_function_state): New function.
14504 (init_function_once): New function.
14505 * function.h (init_function_once): New function.
14506 * ggc-callbacks.c (lang_mark_false_label_stack): New function.
14507 * ggc.h (label_node): Declare.
14508 (eh_status, emit_status, stmt_status, varasm_status): Likewise.
14509 (lang_mark_false_label_stack): New function.
14510 (mark_temp_slot): Remove declaration.
14511 (mark_function_chain): Likewise.
14512 (mark_eh_state): Adjust prototype.
14513 (mark_stmt_state, mark_emit_state, mark_varasm_state, mark_optab):
14515 * optabs.c: Include ggc.h.
14516 (mark_optab): New function.
14517 (init_optabs): Add gc roots.
14518 * stmt.c: Include ggc.h.
14519 (mark_cond_nesting, mark_loop_nesting): New functions.
14520 (mark_block_nesting, mark_case_nesting, mark_goto_fixup): Likewise.
14521 (mark_stmt_state): New function.
14522 * toplev.c (compile_file): Call init_function_once.
14523 * tree.c: Include ggc.h.
14524 (type_hash): Move declaration earlier in file.
14525 (TYPE_HASH_SIZE, type_hash_table): Likewise.
14526 (init_obstacks): Add gc roots.
14527 (mark_type_hash): New function.
14528 * varasm.c: Include ggc.h.
14529 (mark_pool_constant): New function.
14530 (mark_varasm_state): New function.
14532 Sat Sep 4 22:28:56 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14534 * ggc-simple.c (ggc_root, ggc_collect): Wrap prototype with PROTO.
14536 Sat Sep 4 18:01:45 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14538 * c-decl.c (struct language_function): Renamed from struct c_function.
14540 (c_function_chain): Delete.
14541 (push_c_function_context): New arg F. Don't warn about nested
14542 functions here. Fill LANGUAGE elt of F. Delete code to update
14543 c_function_chain. Don't call push_function_context.
14544 (pop_c_function_context): New arg F. Restore from there instead of
14545 from c_function_chain. Don't call pop_function_context. Clear out
14546 LANGUAGE field of F when done.
14547 * c-lang.c: Include "function.h"
14548 (lang_init): Initialize save_lang_status and restore_lang_status.
14549 * c-parse.in (nested_function, nested_function_notype): Warn about
14550 nested functions. Call push_function_context/pop_function_context
14551 instead of the _c_ variants.
14552 * c-tree.h (push_c_function_context, pop_c_function_context): Update
14554 * Makefile.in (c-lang.o): Update dependencies.
14556 * emit-rtl.c (init_emit): Use xmalloc to allocate regno_reg_rtx,
14557 regno_pointer_flag, regno_pointer_align.
14558 (gen_reg_rtx): Use xrealloc to enlarge them.
14559 (free_emit_status): New function.
14560 * function.c (mark_machine_status, mark_lang_status): New variables.
14561 (assign_stack_local_1): Renamed from assign_outer_stack_local. Merge
14562 in some bits from assign_stack_local. All callers changed to use new
14564 (assign_stack_local): Just call assign_stack_local_1.
14565 (free_after_compilation): New function.
14566 (put_reg_into_stack): Simplify to always call assign_stack_local_1.
14567 (trampoline_address): Likewise.
14568 (assign_parms): Use xcalloc/xrealloc to allocate parm_reg_stack_loc.
14569 (prepare_function_start): Explicitly clear some more variables.
14570 * function.h (struct function): New elt can_garbage_collect.
14571 (mark_machine_status, mark_lang_status): Declare variables.
14572 (free_after_compilation, free_emit_status, free_varasm_status,
14573 init_varasm_status): Declare functions.
14574 * toplev.c (rest_of_compilation): Call free_after_compilation when
14575 done with the current function.
14576 * varasm.c (free_varasm_status): New function.
14578 Sat Sep 4 17:15:13 1999 Richard Henderson <rth@cygnus.com>
14580 * sparc.h (EXPAND_BUILTIN_VA_START): Define.
14581 (EXPAND_BUILTIN_VA_ARG): Define.
14582 * sparc.c (sparc_va_start): New.
14583 (sparc_va_arg): New.
14585 Sun Sep 5 11:11:59 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14587 * config/c4x/c4x.h (DBR_OUTPUT_SEQEND): Use XVECEXP not XEXPs.
14589 Sun Sep 5 10:13:19 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14591 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Disable.
14593 Sat Sep 4 13:44:01 1999 Mark Mitchell <mark@codesourcery.com>
14595 * Makefile.in (C_AND_C_OBJS): Add gcc-callbacks.o.
14596 (OBJS): Add $(GGC).
14597 (ggc-callbacks.o): New target.
14598 * ggc-callbacks.c: New file.
14600 Sat Sep 4 22:53:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14602 * expr.h: Collapse individual optab and libfunc vars to arrays.
14603 (optab_index, libfunc_index): New enumerations.
14604 (optab_table, libfunc_table): New arrays.
14605 Add accessor macros for both.
14607 * optabs.c (optab_table, libfunc_table): New.
14608 Delete declarations for individual optab and libfunc vars.
14610 Sat Sep 4 12:57:17 1999 Richard Henderson <rth@cygnus.com>
14612 * i386/sco5.h (RETURN_POPS_ARGS): Name change ix86_return_pops_args.
14614 Sat Sep 4 11:19:52 1999 Richard Henderson <rth@cygnus.com>
14616 * Makefile.in (GGC, GGC_LIB): New.
14617 (HOST_RTL): Include ggc-none.o.
14618 (ggc-simple.o): New target.
14619 (ggc-none.o): Likewise.
14620 * tree.h (tree_common): Add gc_mark.
14621 * rtl.h (struct rtx_def): Steal a bit from code to make gc_mark.
14622 (struct rtvec_def): Add gc_mark.
14623 * emit-rtl.c (global_rtl): Update static initializers to contain
14624 enough initializers.
14625 * ggc.h, ggc-none.c, ggc-simple.c: New files.
14626 * toplev.c (gc_time): New variable.
14627 (all_time): New variable.
14628 (compile_file): Print gc time.
14629 (print_time): Calculate percentage of the whole.
14631 Sat Sep 4 13:11:01 1999 Bernd Schmidt <bernds@cygnus.co.uk>
14633 Change obstack memory management and varasm constant pool handling so
14634 that nested functions are treated like any other functions.
14635 * function.c (init_machine_status): New variable.
14636 (push_function_context_to): Set contains_functions for the outer
14637 function. Don't call save_varasm_status.
14638 (pop_function_context_from): Don't call restore_varasm_status. Don't
14639 set current_function_contains_functions.
14640 (prepare_function_start): Call init_varasm_status rather than
14641 init_const_rtx_hash_table. Call (*init_machine_status) if the pointer
14643 * function.h (struct function) Add field varasm. Delete fields
14644 inline_obstacks, inl_emit, const_rtx_hash_table, first_pool,
14645 last_pool, const_rtx_sym_hash_table, pool_offset, const_double_chain.
14646 (init_machine_status): Declare.
14647 (save_varasm_status, restore_varasm_status): Delete declarations.
14648 (save_tree_status, restore_tree_status): Delete last argument.
14649 * integrate.c (initialize_for_inline): Lose arg COPY. Delete copying
14650 code. All callers changed.
14651 (copy_decl_list, copy_decl_tree, copy_decl_rtls, copy_for_inline,
14652 save_constants_in_decl_trees, restore_constants, save_constants,
14653 save_for_inline_eh_labelmap, save_for_inline_copying): Delete
14655 (inlining): New variable.
14656 (reg_map, label_map, insn_map, orig_asm_operands_vector,
14657 copy_asm_operands_vector, copy_asm_constraints_vector): Delete
14659 (save_for_inline_nocopy): Don't save constants.
14660 Don't set inl_emit field in current_function.
14661 (expand_inline_function): Use emit field, not inl_emit, of the inlined
14662 function. Set new variable inlining before
14663 calling copy_rtx_and_substitute.
14664 (copy_rtx_and_substitute): In MEM and SYMBOL_REF cases, handle
14665 constant pool references if inlining is nonzero.
14666 Delete ADDRESS and (most of the) CONST cases.
14667 (output_inline_function): Save and restore current_function/
14668 current_function_decl. Delete restore_constants code. Don't call
14669 init_const_rtx_hash_table.
14670 * output.h (init_const_rtx_hash_table): Don't declare.
14671 * rtl.h (struct function): Declare.
14672 (get_pool_constant_for_function, get_pool_mode_for_function): Declare.
14673 * toplev.c (rest_of_compilation): Don't treat nested functions or
14674 functions containing them specially. Delete all code to deal with
14675 save_for_inline_copying.
14676 * tree.c (toplev_inline_obstacks, extra_inline_obstacks,
14677 inline_obstacks): Delete variables.
14678 (save_tree_status): Lose arg CONTEXT. All callers changed.
14679 Simply allocate a new function_maybepermanent_obstack for the new
14680 function, delete all the special cases.
14681 Don't save inline_obstacks.
14682 (restore_tree_status): Lose arg CONTEXT. All callers changed.
14683 Delete special handling for function_maybepermanent_obstack; simply
14685 Don't restore inline_obstacks.
14686 (permanent_allocation): Delete code that frees inline_obstacks.
14687 (print_inline_obstack_statistics): Delete function.
14688 (dump_tree_statistics): Don't call it.
14689 * varasm.c (struct varasm_status): New.
14690 (const_rtx_hash_table, const_rtx_sym_hash_table, first_pool,
14691 last_pool, pool_offset, const_double_chain): Delete global
14692 variables, replace with accessor macros.
14693 (immed_double_const): Don't walk const_double_chain outside a
14694 function, but don't treat nested functions specially anymore.
14695 (immed_real_const_1): Likewise.
14696 (clear_const_double_mem): Don't treat nested functions specially.
14697 (init_const_rtx_hash_table): Deleted, code moved to init_varasm_status.
14698 (save_varasm_status, restore_varasm_status): Delete functions.
14699 (init_varasm_status): New function.
14700 (force_const_mem): Don't treat nested functions specially.
14701 (find_pool_constant): Accept new arg F, search for constants in
14702 that function's pool rather than the current one. All callers
14704 (get_pool_constant_for_function, get_pool_mode_for_function): New
14707 * i386.c (init_386_machine_status): New function, mostly from
14708 clear_386_stack_locals.
14709 (struct machine_functions): Rename element names to avoid name
14711 (pic_label_rtx, pic_label_name, i386_stack_locals): New accessor
14712 macros, replacing global variables.
14713 (clear_386_stack_locals, save_386_machine_status,
14714 restore_386_machine_status): Delete functions.
14715 (override_options): Initialize init_machine_status.
14716 * i386.h (INIT_EXPANDERS): Delete macro.
14717 (save_386_machine_status, restore_386_machine_status,
14718 clear_386_stack_locals): Delete declarations.
14720 Sat Sep 4 16:56:28 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14722 * config/c4x/c4x.md (rptb_init): Renamed from *rptb_init.
14723 (doloop_begin): Simplify pattern and use emit_jump_insn.
14724 (doloop_end): Simplify pattern, switch operand order,
14725 and use emit_jump_insn.
14727 Fri Sep 3 19:02:38 1999 Bernd Schmidt <crux@pool.informatik.rwth-aachen.de>
14729 * function.h (struct function): Add new element LANGUAGE.
14730 (save_lang_status): Declare new variable.
14731 (restore_lang_status): Likewise.
14732 * function.c (save_lang_status): Define.
14733 (restore_lang_status): Likewise.
14734 (push_function_context_to): Call language-specific save function.
14735 (pop_function_context_from): Call language-specific restore function.
14737 Fri Sep 3 01:16:18 1999 Alasdair Baird <alasdair@wildcat.demon.co.uk>
14739 * i386.md (movsf_1): Check REG_P before use of REGNO.
14740 (movdf_1): Likewise.
14741 (movxf_1): Likewise.
14742 (extendsfdf2): Likewise.
14743 (extendsfxf2): Likewise.
14744 (extenddfxf2): Likewise.
14746 Sat Sep 4 11:37:15 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14748 * config/c4x/c4x.c (c4x_emit_move_sequence): Do not force large
14749 constants into memory.
14750 (c4x_shiftable_constant): New function.
14751 * config/c4x/c4x.c (LEGITIMATE_CONSTANT_P): Allow any CONST_INT.
14752 (c4x_shiftable_constant): Declare.
14753 * config/c4x/c4x.md (loadqi_big_constant, loadhi_big_constant,
14754 ashlqi3_noclobber): Add new patterns and associated splitters.
14756 Fri Sep 3 16:22:17 1999 Richard Henderson <rth@cygnus.com>
14758 * dbxout.c (dbxout_init): Use xcalloc instead of xmalloc+bzero.
14759 * dwarf2out.c (dwarf2out_frame_init): Likewise.
14760 * final.c (shorten_branches): Likewise.
14761 * global.c (global_alloc): Likewise.
14762 * haifa-sched.c (build_control_flow): Likewise.
14763 * stmt.c (check_for_full_enumeration_handling): Likewise.
14764 (estimate_case_costs): Likewise.
14766 Fri Sep 3 15:49:56 1999 Mark Mitchell <mark@codesourcery.com>
14768 * rtl.h (RTL_CHECKC2): Fix typo in last change.
14770 Fri Sep 3 15:13:34 1999 Richard Henderson <rth@cygnus.com>
14772 * flow.c (propagate_block): Use XEXP not SET_DEST for a USE.
14773 (recompute_reg_usage): Likewise.
14774 * rtlanal.c (find_regno_fusage): Likewise.
14776 * rtl.c (rtl_check_failed_code1): New function.
14777 (rtl_check_failed_code2): New.
14778 * rtl.h (RTL_CHECK1, RTL_CHECK2, RTVEC_ELT): Parenthesize args.
14779 (RTL_CHECKC1, RTL_CHECKC2): New.
14780 (XC*): New accessor macros.
14781 (NOTE_*, LABEL_NAME, LABEL_NUSES, ADDRESSOF_REGNO): Use them.
14782 (ADDRESSOF_DECL, JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF): Likewise.
14783 (CONTAINING_INSN, REGNO, INTVAL, SUBREG_REG, SUBREG_WORD): Likewise.
14784 (ASM_OPERANDS_*, MEM_ALIAS_SET, SET_SRC, SET_DEST): Likewise.
14785 (TRAP_*, RANGE_INFO_*): Likewise.
14787 Fri Sep 3 15:10:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14789 * Makefile.in (tlink.o): Don't depend on toplev.h.
14791 * collect2.c (c_file, o_file, export_file, import_file, ldout,
14792 output_file, nm_file_name, ldd_file_name, strip_file_name,
14793 c_file_name, prefix_list, libexts, is_ctor_dtor, find_a_file,
14794 add_prefix, prefix_from_env, prefix_from_string, do_wait,
14795 fork_execute, maybe_unlink, add_to_list,
14796 extract_init_priority, write_list, dump_list,
14797 dump_prefix_list, write_list_with_asm, write_c_file,
14798 write_c_file_stat, write_c_file_glob, scan_prog_file,
14799 scan_libraries, is_in_list, resolve_lib_name, use_import_list,
14800 ignore_library, extract_string, notice, dump_file, target_machine,
14801 collect_wait, collect_execute, libname, locatelib, aix_std_libs,
14802 read_file, print_load_command): Constify a char*.
14803 (fdopen, error, fatal, fatal_perror): Don't prototype.
14804 (my_strerror): Remove. All callers use xstrerror instead.
14805 (xcalloc, xmalloc, xrealloc, xstrdup, putenv): Remove definitions.
14806 (main): Add prototype. Constify lots of char* ptrs. Change calls
14807 to xcalloc/strcpy/strcat/... to one call to concat.
14808 (main, scan_prog_file, scan_libraries): Use an intermediate
14809 `const char **' to build an argv array.
14810 (mapfile, libselect, libcompare, locatelib): Add prototypes.
14812 * collect2.h (collect_execute, collect_wait, dump_file,
14813 file_exists): Constify a char*.
14814 (ldout, c_file_name, temporary_obstack, permanent_obstack,
14815 temporary_firstobj, vflag, debug): Add extern declarations.
14816 (fancy_abort, error, notice, fatal, fatal_perror): Add prototypes.
14818 * tlink.c: Don't include toplev.h.
14819 (vflag, debug, ldout, c_file_name, temporary_obstack,
14820 permanent_obstack, temporary_firstobj): Don't declare.
14821 (tlink_execute, frob_extension, symbol_hash_lookup,
14822 file_hash_lookup, demangled_hash_lookup, tlink_init, freadsym,
14823 recompile_files, read_repo_files, demangle_new_symbols,
14824 scan_linker_output): Constify a char*.
14825 (symbol_hash_newfunc, file_hash_newfunc, demangled_hash_newfunc,
14826 do_tlink): Mark parameters with ATTRIBUTE_UNUSED.
14828 Fri Sep 3 18:09:24 1999 Andrew Haley <aph@cygnus.com>
14830 * config/m68k/m68kelf.h: Set USE_GAS; this makes gcc generate jbsr
14831 (relative) rather than jsr (absolute) subroutine call insns.
14832 * config/m68k/m68k-coff.h: Ditto.
14834 Fri Sep 3 17:24:31 1999 Richard Earnshaw <rearnsha@arm.com>
14836 * arm.c (note_invalid_constants): No need to ignore ASMs, we can
14837 now rework these too.
14838 (arm_reorg): If an insn can't reach the end of the current pool,
14839 ensure that we emit that pool before the insn.
14841 Fri Sep 3 09:14:32 1999 Marc Espie <espie@tetto.liafa.jussieu.fr>
14843 * tlink.c (scan_linker_output): Skip the initial underscore in
14844 a mangled name if appropriate.
14846 Fri Sep 3 01:28:33 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14848 * objc/objc-act.c (objc_tree_code_type, objc_tree_code_length,
14849 objc_tree_code_name, synth_id_with_class_suffix, warn_with_method,
14850 error_with_ivar, gen_declarator, create_builtin_decl,
14851 my_build_string, generate_descriptor_table, generate_ivars_list,
14852 generate_dispatch_table, check_protocols, TAG_GETCLASS,
14853 TAG_GETMETACLASS, TAG_MSGSEND, TAG_MSGSENDSUPER, TAG_EXECCLASS,
14854 dump_base_name, lang_decode_option, build_encode_expr,
14855 start_class, finish_class, encode_pointer, really_start_method,
14856 gen_declaration, dump_interface, handle_class_ref, handle_impent):
14858 (objc_demangle, objc_printable_name, generate_struct_by_value_array):
14859 Add static prototypes.
14860 (build_objc_string_decl, build_selector_reference_decl,
14861 encode_bitfield, build_class_reference_decl): Remove unused
14862 parameter, all callers changed.
14863 (maybe_objc_method_name): Mark with ATTRIBUTE_UNUSED.
14864 (objc_printable_name): Likewise. Change second parameter to type int.
14865 (init_objc): Use memcpy, not bcopy, to avoid casts.
14867 Thu Sep 2 21:49:52 1999 Richard Henderson <rth@cygnus.com>
14869 * reload1.c (eliminate_regs_in_insn): Avoid eliminating the
14870 reg notes on a deleted insn.
14871 * gcse.c (hash_expr_1): Use XWINT on a CONST_DOUBLE.
14873 Thu Sep 2 20:18:12 1999 Jeffrey A Law (law@cygnus.com)
14875 * i386.c (ix86_attr_length_default): Handle TYPE_FXCH.
14877 Thu Sep 2 22:00:08 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14879 * stmt.c (expand_asm_operands): Fix index into inout_mode when
14882 Thu Sep 2 13:00:48 1999 Richard Henderson <rth@cygnus.com>
14884 * stmt.c (expand_asm_operands): Invoke MD_ASM_CLOBBERS if present.
14885 * tm.texi (MD_ASM_CLOBBERS): Document it.
14887 Thu Sep 2 10:22:40 1999 Richard Henderson <rth@cygnus.com>
14889 * dwarf2out.c (dwarf2out_line): Constify `lastfile'.
14890 * except.c (expand_rethrow): Remove unused variable.
14891 * expr.c (do_jump_by_parts_greater_rtx): Likewise.
14892 * flow.c (replace_insns): Likewise.
14893 (create_edge_list, verify_edge_list): Likewise.
14894 * gcse.c (cprop_cc0_jump): Protect declaration with HAVE_cc0.
14896 * genemit.c (gen_expand): Only emit `operands[N]' decl if there
14897 is special code to run.
14898 (main): Don't define operands to emit_operand.
14899 * genrecog.c (main): Don't emit an empty peephole2_insn function.
14901 * rtl.h (NOTE_BASIC_BLOCK): Use X0BBDEF.
14903 * alpha/alpha.h (normal_memory_operand): Declare.
14904 (reg_no_subreg_operand): Declare.
14905 * alpha/elf.h (ASM_DECLARE_OBJECT_NAME): Use HOST_WIDE_INT_PRINT_DEC.
14907 Thu Sep 2 10:19:20 1999 Richard Henderson <rth@cygnus.com>
14909 * c-parse.in (compstmt_primary_start): New, broken out of first
14910 part of compstmt handling in primary.
14911 (primary): Use it. Add an error clause.
14912 (compstmt_nostart): Renamed from compstmt; remove all
14913 initial invocations of compstmt_start.
14916 Thu Sep 2 01:35:50 1999 Marc Espie <espie@cvs.openbsd.org>
14918 * protoize.c (gen_aux_info_file): Let pexecute call choose_temp_base if
14921 Thu Sep 2 00:43:59 1999 Finn Hakansson <finn@axis.com>
14923 * combine.c (simplify_shift_const): Remove extra semicolon.
14924 * dwarf2out.c (remove_AT): Likewise.
14925 * expmed.c (expand_mult): Likewise.
14926 * gcov.c (create_program_flow_graph): Likewise.
14927 * reorg.c (mostly_true_jump): Likewise.
14929 Thu Sep 2 00:06:43 1999 Jeffrey A Law (law@cygnus.com)
14931 * fold-const.c (fold_range_test): Do not try to fold the range
14932 test if the rhs or lhs has side effects.
14934 * combine.c (simplify_rtx): Recognize another case of a synthesized
14937 * varasm.c (mark_constant_pool): When marking indirect references,
14938 only look at SYMBOL_REFs.
14940 * except.c (expand_fixup_region_end): Do not peek at
14941 INSN_UID (node->entry->outer_context) for flag_new_exceptions.
14943 Thu Sep 2 13:52:53 1999 Geoffrey Keating <geoffk@cygnus.com>
14945 * flags.h: New variables align_loops, align_loops_log,
14946 align_jumps, align_jumps_log, align_labels, align_labels_log,
14947 align_functions, align_functions_log.
14948 * toplev.c: Define them.
14949 (f_options): Handle -falign-* when they have no argument.
14950 (main): Add logic to set variables for -falign-functions,
14951 -falign-jumps, -falign-labels, -falign-loops.
14952 Make it -fsched-verbose=<n> and -finline-limit=<n>.
14953 (display_help): Change help to match options.
14954 * final.c (LABEL_ALIGN): Default to align_labels_log.
14955 (LABEL_ALIGN_MAX_SKIP): Default to align_labels-1.
14956 (LOOP_ALIGN): Default to align_loops_log.
14957 (LOOP_ALIGN_MAX_SKIP): Default to align_loops-1.
14958 (LABEL_ALIGN_AFTER_BARRIER): Default to align_jumps_log.
14959 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Default to align_jumps-1.
14960 * varasm.c (assemble_start_function): Handle align_functions.
14962 * config/sparc/sparc.h: Don't declare sparc_align_*.
14963 Don't provide LABEL_ALIGN_AFTER_BARRIER or LOOP_ALIGN.
14964 (DEFAULT_SPARC_ALIGN_FUNCS): Delete; take functionality into
14966 (FUNCTION_BOUNDARY): Fix incorrect use---it's not just a request,
14968 * config/sparc/sparc.c: Delete sparc_align_loops,
14969 sparc_align_jumps, sparc_align_funcs and the corresponding string
14971 (sparc_override_options): Default align_functions on ultrasparc.
14972 Delete -malign-* handling.
14974 * config/mips/mips.c (override_options): On 64-bit targets,
14975 try to align code to 64-bit boundaries.
14976 (print_operand): New substitution, %~,
14977 which aligns labels to align_labels_log.
14978 * config/mips/mips.md (div_trap_normal): Use %~.
14979 (div_trap_mips16): Likewise.
14981 (absdi2): Likewise.
14982 (ffssi2): Likewise.
14983 (ffsdi2): Likewise.
14984 (ashldi3_internal): Likewise.
14985 (ashrdi3_internal): Likewise.
14986 (lshrdi3_internal): Likewise.
14987 (casesi_internal): Likewise.
14989 Wed Sep 1 21:13:48 1999 Richard Henderson <rth@cygnus.com>
14991 Merge new ia32 backend from the branch!
14993 * i386.h, i386.c, i386.md, reg-stack.c, i386/unix.h: Many changes.
14994 See ChangeLog.P2 on new_ia32_branch for details.
14996 * rtl.h (stack_regs_mentioned_p): Delete prototype.
14997 * i386/cygwin.h (SUBTARGET_PROLOGUE): No more do_rtl.
14998 * i386/win32.h (SUBTARGET_PROLOGUE): Likewise.
14999 * i386/gas.h (ASM_FILE_START): Define.
15000 * i386/winnt.c (i386_pe_valid_decl_attribute_p): Update
15001 for name change of ix86_valid_decl_attribute_p.
15002 (i386_pe_valid_type_attribute_p): Similarly.
15004 Wed Sep 1 18:21:23 1999 Richard Henderson <rth@cygnus.com>
15006 * emit-rtl.c (init_emit_once): Don't use GET_MODE_WIDER_MODE
15007 to step through CC modes.
15009 Wed Sep 1 20:18:06 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
15011 * regmove.c (fixup_match_1): Don't move INSN in front of P if
15012 it would end up in the shadow of a live flags regsiter.
15014 Wed Sep 1 11:32:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15016 * reload1.c: Fix many indentation problems.
15017 * reload.c: Likewise.
15019 Tue Aug 31 22:08:03 1999 Marc Espie <espie@cvs.openbsd.org>
15021 * alias.c (non_local_reference_p): Constify fmt.
15023 Tue Aug 31 23:19:35 1999 Michael Meissner <meissner@cygnus.com>
15025 * config/i386/xm-cygwin.h (HAVE_DOS_BASED_FILE_SYSTEM): Define.
15027 Tue Aug 31 16:44:52 1999 Jeffrey A Law (law@cygnus.com)
15029 * cse.c (delete_trivially_dead_insns): Do not delete stores to
15030 the internal_arg_pointer.
15032 Tue Aug 31 13:35:42 1999 Richard Henderson <rth@cygnus.com>
15034 Merge peephole2 from new_ia32_branch:
15035 * Makefile.in (STAGESTUFF): Add *.peephole2.
15036 (mostlyclean): Likewise.
15037 (recog.o): Depend on resource.h.
15039 * final.c (peephole): Conditionalize decl on HAVE_peephole.
15040 (final_scan_insn): Likewise for the invocation of peephole.
15041 * genconfig.c (main): Look for peephole and peephole2 patterns.
15042 Emit HAVE_peephole* accordingly.
15043 * genpeep.c (main): Conditionalize entire output on HAVE_peephole.
15044 * flags.h (flag_peephole2): Declare.
15045 * toplev.c: New pass peephole2. New flag -fpeephole2.
15047 * genattrtab.c (main): Count DEFINE_PEEPHOLE2.
15048 * gencodes.c (main): Likewise.
15049 * genextract.c (main): Likewise.
15050 * genoutput.c (main): Likewise.
15051 * genemit.c (max_operand_1): Look for the max scratch operand.
15052 (gen_rtx_scratch): New.
15053 (gen_exp): Use it, and pass on new arg subroutine_type.
15054 (gen_expand): Take max scratch into account.
15055 (gen_split): Emit peephole2 functions.
15056 (output_peephole2_scratch): New.
15057 (main): Include hard-reg-set.h and resource.h. Handle peephole2.
15058 * genrecog.c (routine_type): Add PEEPHOLE2.
15060 (make_insn_sequence): Match outer parallel for peep2. Discard
15061 top level scratches and dups.
15062 (add_to_sequence): New args insn_type and top. Update all callers.
15063 Handle toplevel peep2 matching insns.
15064 (write_subroutine): Handle peep2.
15065 (write_tree_1): Likewise.
15066 (write_tree): Likewise.
15068 (change_state): New arg afterward. Update all callers.
15069 Handle matching separate insns.
15070 * recog.c (recog_next_insn): New.
15071 (peephole2_optimize): New.
15072 * rtl.def (DEFINE_PEEPHOLE2): New.
15073 * resource.c (find_free_register): New argument last_insn. Use it
15074 to find a register available through the entire span.
15075 * resource.h (find_free_register): Update prototype.
15077 Tue Aug 31 11:51:06 1999 Jim Kingdon <http://developer.redhat.com>
15079 * i386.c (output_strlen_unroll): Don't write xops[7]
15080 label if it wasn't set.
15082 1999-08-31 12:44 -0700 Zack Weinberg <zack@bitmover.com>
15084 * cpplib.c (struct directive): Const-ify name pointer and
15085 function pointer prototype.
15086 (validate_else, do_define, do_line, do_include, do_undef,
15087 do_error, do_pragma, do_ident, do_if, do_xifdef, do_else,
15088 do_elif, do_endif, do_sccs, do_assert, do_unassert,
15089 do_warning): Const-ify second arg.
15090 (directive_table): Mark const. Reorder entries by frequency
15091 of usage, record statistics.
15093 1999-08-31 12:20 -0700 Zack Weinberg <zack@bitmover.com>
15095 * rtl.h (RTL_CHECK1, RTL_CHECK2): New macros which type- and
15096 bounds- check RTL accesses if --enable-checking.
15097 (RTVEC_ELT): Bounds check if --enable-checking.
15098 (XWINT, XINT, XSTR, XEXP, XVEC, XMODE, XBITMAP, XTREE,
15099 XBBDEF): Use RTL_CHECK1/RTL_CHECK2 as appropriate.
15100 (XVECEXP, XVECLEN): Define in terms of XVEC, RTVEC_ELT, and
15102 (X0WINT, X0INT, X0STR, X0EXP, X0VEC, X0MODE, X0BITMAP, X0TREE,
15103 X0BBDEF, X0ADVFLAGS): New macros for accessing '0' slots of RTXes.
15105 (ADDR_DIFF_VEC_FLAGS): Use X0ADVFLAGS.
15106 (NOTE_SOURCE_FILE): Use X0STR.
15107 (NOTE_BLOCK_NUMBER, NOTE_EH_HANDLER, LABEL_NUSES,
15108 MEM_ALIAS_SET): Use X0INT.
15109 (NOTE_RANGE_INFO, NOTE_LIVE_INFO, NOTE_BASIC_BLOCK,
15110 JUMP_LABEL, LABEL_REFS, LABEL_NEXTREF, CONTAINING_INSN):
15112 * real.h (CONST_DOUBLE_CHAIN): Use X0EXP.
15113 * rtl.c (copy_rtx, copy_most_rtx): Copy '0' slots with X0WINT.
15114 (rtl_check_failed_bounds, rtl_check_failed_type1,
15115 rtl_check_failed_type2, rtvec_check_failed_bounds): New
15117 (fancy_abort): Fix comment.
15119 * cse.c (canon_hash): Read CONST_DOUBLE data slots with XWINT.
15120 (cse_insn): Decrement LABEL_NUSES for jump target before
15121 deleting jump insn.
15122 * emit-rtl.c (gen_rtx_CONST_DOUBLE): Use X0EXP for slot 1.
15123 * final.c (alter_subreg): Compute regno before changing x to
15124 REG; set REGNO(x) after changing it.
15125 * flow.c (count_basic_blocks): Use XWINT to inspect EH_REGION
15126 notes containing CONST_INTs.
15127 (delete_eh_regions): Use NOTE_EH_HANDLER.
15128 * function.c (put_reg_into_stack): Make reg a MEM before
15130 (fixup_var_refs_insns): Save REG_NOTES (insn) in case we
15132 (gen_mem_addressof): Make reg a MEM before initializing it.
15133 * integrate.c (copy_rtx_and_substitute): Copy '0' slots with
15135 * local-alloc.c (update_equiv_regs): Zap REG_NOTES before
15136 deleting an insn, not after.
15137 (block_alloc): Only look at PATTERN(insn) if we have to, and
15138 only if it's format class 'i'.
15139 * loop.c (check_dbra_loop): Check bl->biv->add_val is a
15140 CONST_INT before using its INTVAL.
15141 * print-rtl.c (print_rtx): Use X0STR.
15142 * regmove.c (fixup_match_1): Don't look at PATTERN of
15143 non-class-'i' insn chain elements.
15144 * reload.c (loc_mentioned_in_p): Take address of
15145 in->fld[1].rtx directly.
15146 * reload1.c (reload): Change reg to a MEM before initializing
15148 * varasm.c (mark_constant_pool): Skip CONST_DOUBLES, which
15150 * config/i386/i386.md (decrement_and_branch_if_zero): Fix typo.
15152 Fri Aug 20 13:43:41 1999 Andrew Haley <aph@cygnus.com>
15154 * config/mips/mips.c (machine_dependent_reorg): Force a
15155 barrier to output the local constant pool if a barrier hasn't
15156 been found at a natural point in the instruction stream.
15158 Mon Aug 30 22:04:36 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15160 * c-parse.in (language_string): Constify.
15162 * dwarf2out.c (language_string): Remove declaration.
15164 * dwarfout.c (language_string): Likewise.
15166 * toplev.c (language_string, init_parse, finish_parse): Likewise.
15168 * tree.h (language_string, init_parse, finish_parse): Declare.
15170 * i386/sun386.h (language_string): Remove declaration.
15172 * mips.h (language_string): Likewise.
15174 * nextstep.h (language_string): Likewise.
15176 * nextstep21.h (language_string): Likewise.
15178 * rs6000.c (language_string): Likewise.
15180 Mon Aug 30 20:56:08 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15182 * Makefile.in (OBJS, PROTO_OBJS): Remove getpwd.o.
15183 (getpwd.o): Remove target.
15185 * getpwd.c: Delete file. Its in libiberty now.
15187 * dbxout.c (getpwd): Don't prototype.
15188 * dwarf2out.c (getpwd): Likewise
15189 * dwarfout.c (getpwd): Likewise
15190 * final.c (getpwd): Likewise.
15191 * protoize.c (getpwd): Likewise.
15193 Mon Aug 30 20:21:34 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15195 * cse.c: (fold_rtx): Cast to HOST_WIDE_INT in left shift.
15197 Mon Aug 30 16:07:49 1999 Richard Henderson <rth@cygnus.com>
15199 * flow.c (new_insn_dead_notes): Use sets_reg_or_subreg not
15200 mark_set_resources.
15202 Mon Aug 30 12:23:53 1999 Jim Wilson <wilson@cygnus.com>
15204 * fixinc/Makefile.in (subdir): New.
15205 (fixincl.x, inclhack.sh, fixincl.sh): Use cp instead of $(CP).
15208 Mon Aug 30 01:02:09 1999 Jeffrey A Law (law@cygnus.com)
15210 * emit-rtl.c (copy_rtx_if_shared): A MEM which references
15211 virtual_stack_vars_rtx or virtual_incoming_args_rtx can not
15214 * invoke.texi: Fix typo.
15216 * dwarf2out.c (mem_loc_descriptor): New argument MODE. All callers
15217 changed. Handle autoincrement addressing modes.
15219 * integrate.c (copy_rtx_and_substitute): Handle internal_arg_pointer
15220 just like we would the virtual incoming args register when
15223 Sun Aug 29 23:17:54 1999 David Edelsohn <edelsohn@gnu.org>
15225 * rs6000.h (ASM_FILE_START): Specify complete filename, including
15226 path, in .file directive.
15228 Sun Aug 29 05:06:43 1999 Russ Allbery <rra@stanford.edu>
15230 * gcc.texi (External Bugs): Remove obsolete note about Perl on
15233 1999-08-29 08:38 -0700 Zack Weinberg <zack@bitmover.com>
15235 * stdbool.h: Make the typedef name _Bool, with bool a #defined
15238 Sun Aug 29 09:36:50 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15240 * tree.c (tree_code_name): Constify a char*.
15242 * tree.h (tree_code_name, decl_printable_name): Likewise.
15244 * function.h (struct function): Likewise.
15246 * toplev.c (decl_name, decl_printable_name): Likewise.
15248 * vax/vms.h (MAYBE_VMS_FUNCTION_PROLOGUE): Likewise.
15250 * objc/objc-act.c (decl_printable_name): Remove redundant prototype.
15251 (init_objc): Remove function pointer cast.
15253 Sun Aug 29 05:01:17 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
15255 * pa.md (interspace_jump): New pattern.
15256 (builtin_longjmp): New expander.
15258 1999-08-29 Bernd Schmidt <bernds@cygnus.co.uk>
15260 * fp-bit.c (add, sub, multiply, divide, compare, _eq_f2, _ne_f2,
15261 _gt_f2, _ge_f2, _lt_f2, _le_f2, float_to_si, float_to_usi, negate,
15262 sf_to_df, df_to_sf): Fix potential problem with alias analysis.
15264 Sun Aug 29 04:30:52 1999 John Wehle (john@feith.com)
15266 * jump.c (delete_prior_computation): Also check calls
15267 to constant functions. Don't bother checking for a
15268 REG_UNUSED note before adding it.
15269 (delete_computation): Handle multi-word hard registers
15270 when synthesizing missing REG_DEAD notes for a register
15271 which is both set and used by an insn.
15273 1999-08-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15275 * loop.c (this_loop_info): New variable.
15276 (loop_has_call, loop_has_volatile, loop_has_tablejump,
15277 loop_continue, loops_enclosed): Replace with fields in this_loop_info.
15279 (prescan_loop, strength_reduce): New argument loop_info. All callers
15281 (scan_loop): New variable loop_info, initialise to address of
15283 (prescan_loop): Set loop_info->vtop if find NOTE_INSN_LOOP_VTOP.
15284 Delete variable loop_has_multiple_exit targets and replace with
15285 field in this_loop_info.
15286 (find_and_verify_loops): Rename this_loop to this_loop_num.
15287 (strength_reduce): Delete loop_iteration_info. Replace variable
15288 loop_info with function argument of same name.
15289 (insert_bct): Rework test for loop being completely unrolled.
15291 * loop.h (struct loop_info): New fields num, loops_enclosed,
15292 has_call, has_volatile, has_tablejump, has_multiple_exit_targets,
15293 has_indirect_jump, and cont. Redefine use of unroll_number.
15294 (loop_unroll_number): Delete.
15296 * unroll.c (unroll_loop): Store loop unroll count in unroll_number
15297 field of loop_info.
15298 (loop_iterations): Delete variable vtop and instead use
15299 loop_info->vtop computed in prescan_loop.
15301 Sun Aug 29 03:27:23 1999 Scott Weikart <scott@igc.apc.org>
15303 * fix-header.c (main): Do not pass a null pointer to strcmp.
15305 Sun Aug 29 03:18:48 1999 William Bader (william@nscs.fast.net)
15307 * configure.in (i[34567]86-*-sco3.2v4*): Target does not truncate
15309 * configure: Rebuilt.
15311 Sat Aug 28 19:36:05 1999 Jeffrey A Law (law@cygnus.com)
15313 * jump.c (jump_optimize_1): Do not delete assignments to
15314 internal_arg_pointer.
15315 * cse.c (delete_trivially_dead_insns): Always consider a set of
15316 the internal_arg_pointer live.
15318 Sat Aug 28 16:24:31 1999 Richard Henderson <rth@cygnus.com>
15320 * flow.c (flow_delete_insn_chain): Rename from delete_insn_chain.
15321 (update_life_info) [REG_WAS_0]: Search the original insns rather
15322 than the new insns for the note. Fix typos finding note_dest.
15323 If no dest found, discard the note rather than abort.
15324 [REG_NOALIAS]: Handle as REG_NO_CONFLICT.
15325 (replace_insns): Remove the old insn list after update_life_info
15328 Sat Aug 28 16:20:12 1999 Richard Henderson <rth@cygnus.com>
15330 * haifa-sched.c (sched_analyze): Clear LOG_LINKS before calling
15331 sched_analyze_insn.
15332 (sched_analyze_1): Let add_dependence care for not adding dups.
15333 (sched_analyze_2): Likewise.
15334 (add_branch_dependences): Likewise.
15336 Sat Aug 28 15:58:16 1999 Mumit Khan <khan@xraylith.wisc.edu>
15338 * i386/winnt.c (export_list): New type.
15339 (exports_head): Rename to
15340 (export_head): this.
15341 (i386_pe_record_exported_symbol): Add is_data flag.
15342 (i386_pe_asm_file_end): Emit directive for exported variables.
15343 * i386/cygwin.h (i386_pe_record_exported_symbol): Update
15345 * i386/cygwin.h (ASM_OUTPUT_COMMON): Specify symbol type.
15346 (ASM_DECLARE_OBJECT_NAME): Likewise.
15347 (ASM_DECLARE_FUNCTION_NAME): Likewise.
15348 * i386/uwin.h (ASM_DECLARE_FUNCTION_NAME): Likewise.
15350 Fri Aug 27 15:35:24 1999 Jeffrey A Law (law@cygnus.com)
15352 * cse.c (fold_rtx): Work around bug in Sun V5.0 compilers.
15354 * pa.c (emit_move_sequence): Do not stop on SUBREG_WORD of an
15357 Fri Aug 27 14:01:19 1999 Marc Espie <espie@cvs.openbsd.org>
15359 * config/openbsd.h: Define SET_ASM_OP.
15360 * tm.texi: cross-reference SET_ASM_OP in the index.
15362 1999-08-27 13:27 -0700 Zack Weinberg <zack@bitmover.com>
15364 * rtl.c: Define CONST_DOUBLE_FORMAT to the appropriate format
15365 for a CONST_DOUBLE, at compile time. Initialize rtx_length
15366 and class_narrowest_mode at compile time. Kill init_rtl.
15367 Mark rtx_length, mode_class, mode_size, mode_unit_size,
15368 mode_wider_mode, mode_mask_array, class_narrowest_mode, and
15369 rtx_format as const. Kill all references to EXTRA_CC_MODES or
15371 * rtl.def (CONST_DOUBLE): Use CONST_DOUBLE_FORMAT macro for
15373 * rtl.h: Declare rtx_length and rtx_format as const.
15374 * machmode.def: Define CC(). Use CC() to define CCmode. If
15375 EXTRA_CC_MODES is defined, expand it here.
15376 * machmode.h: Declare mode_class, mode_size, mode_unit_size,
15377 mode_wider_mode, mode_mask_array, and class_narrowest_mode as
15378 const. Kill all references to EXTRA_CC_MODES.
15380 * toplev.c: Don't prototype or call init_rtl.
15381 * optabs.c: Don't call init_mov_optab.
15382 * genemit.c: Don't generate init_mov_optab. Don't call
15384 * gengenrtl.c: Duplicate calculation of CONST_DOUBLE_FORMAT
15386 * genattr.c, genattrtab.c, gencodes.c, genconfig.c,
15387 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
15388 genrecog.c: Don't call init_rtl.
15390 * arc.h, arm.h, c4x.h, i386.h, i960.h, m88k.h, pa.h, pdp11.h,
15391 rs6000.h, sparc.h: Don't define EXTRA_CC_NAMES. Use CC() in
15392 definition of EXTRA_CC_MODES.
15394 * md.texi: Kill ref to EXTRA_CC_NAMES.
15395 * tm.texi: Document new way to define EXTRA_CC_MODES.
15397 * genrecog.c: Do not look up the name of a define_split.
15398 (Unrelated bugfix.)
15400 Fri Aug 27 17:03:42 1999 Nick Clifton <nickc@cygnus.com>
15402 * config/v850/v850.md: Fix typo introduced by previous delta.
15404 Fri Aug 27 09:48:59 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15406 * gcc.c (fatal): Make definition static to match prototype.
15408 Fri Aug 27 10:33:35 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15410 * combine.c (get_last_value): Don't look for earlier sets if the last
15411 known set is somewhere in between the insns being combined.
15413 Fri Aug 27 10:03:12 BST 1999 Nathan Sidwell <nathan@acm.org>
15415 * configure.in: Don't use shell ! to negate exit codes
15416 * configure: Regenerate
15418 Fri Aug 27 09:36:17 1999 Andreas Schwab <schwab@suse.de>
15420 * function.c (assign_stack_temp_for_type): Fix change of Mar 5 for
15421 the fact that ALIGN is measured in bits, not bytes.
15423 1999-08-27 00:27 -0700 Zack Weinberg <zack@bitmover.com>
15425 * errors.c: New file; defines functions error, warning, and
15426 fatal, variables have_error and progname.
15427 * errors.h: New file; prototypes and decls for stuff in errors.c.
15429 * Makefile: Add rules to build errors.o and
15430 $(HOST_PREFIX)errors.o. Link genconfig, gencodes, genemit,
15431 genopinit, genrecog, genextract, genpeep, genattr, and
15432 genoutput with errors.o. Add errors.h to deps of genconfig.o,
15433 gencodes.o, genemit.o, genopinit.o, genrecog.o, genextract.o,
15434 genpeep.o, genattr.o, and genoutput.o.
15436 * genconfig.c, gencodes.c, genemit.c, genopinit.c, genrecog.c,
15437 genextract.c, genpeep.c, genattr.c: Include errors.h. Don't
15438 define or prototype fatal. Set progname at beginning of main.
15439 * genoutput.c: Likewise, and don't define or prototype error
15442 * c-typeck.c (c_expand_start_case): Return immediately if exp
15444 * fold-const.c (operand_equal_p): Return immediately if arg1
15445 or arg0 are ERROR_MARKs.
15446 * stor-layout.c (layout_type [case RECORD_TYPE]): Ignore
15447 fields of type ERROR_MARK when calculating if the record can
15450 Fri Aug 27 01:03:48 1999 Jim Kingdon <http://developer.redhat.com>
15451 with much help from Jeffrey A Law and Richard Henderson
15453 * i386.md: In the 6 insns which call output_fix_trunc,
15454 earlyclobber operands[0].
15456 Fri Aug 27 01:01:51 1999 Philip Blundell <pb@nexus.co.uk>
15458 * jump.c (duplicate_loop_exit_test): Call reg_scan_update after
15459 creating new registers.
15461 1999-08-26 23:09 -0700 Zack Weinberg <zack@bitmover.com>
15463 * i386.h: Declare ix86_cpu_string, ix86_arch_string,
15464 i386_reg_alloc_order, i386_regparm_string,
15465 i386_align_loops_string, i386_align_jumps_string,
15466 i386_align_funcs_string, i386_preferred_stack_boundary_string,
15467 and i386_branch_cost_string as type "const char *".
15468 * i386.c: Define all above strings as type "const char *".
15470 Thu Aug 26 20:36:30 1999 Jim Wilson <wilson@cygnus.com>
15472 * dwarf2out.c (output_aranges): Check DWARF_OFFSET_SIZE not PTR_SIZE
15473 when emitting alignment padding. Emit padding byte of 0 instead of 4.
15475 Thu Aug 26 18:11:20 1999 Mark Mitchell <mark@codesourcery.com>
15477 * tree.c (array_type_nelts): Don't create RTL_EXPRs from
15478 SAVE_EXPRs unless the SAVE_EXPRs have already been expanded.
15480 Thu Aug 26 19:33:23 1999 Jim Wilson <wilson@cygnus.com>
15482 * dwarf2out.c (DWARF2_ASM_LINE_DEBUG_INFO): Add default definition.
15483 (debug_dwarf): Add DWARF2_ASM_LINE_DEBUG_INFO support.
15484 (dwarf2out_line, dwarf2out_finish): Likewise.
15485 * tm.texi (DWARF2_ASM_LINE_DEBUG_INFO): Add documetation.
15487 Thu Aug 26 16:10:56 1999 Gavin Romig-Koch <gavin@cygnus.com>
15489 * tree.c (lang_unsave_expr_now) : Correct return type.
15490 * tree.h (lang_unsave_expr_now) : Same.
15492 Thu Aug 26 13:12:29 1999 Jeffrey A Law (law@cygnus.com)
15494 * pa.c (cint_ok_for_move): Use CONST_INT_OK_FOR_LETTER_P macros
15495 instead of duplicating code.
15497 Thu Aug 26 18:32:32 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15499 * gcse.c (hash_scan_insn): Don't scan obvious no-ops.
15501 1999-08-26 09:42 -0700 Zack Weinberg <zack@bitmover.com>
15503 * tree.h: fancy_abort always takes three args.
15504 * resource.c: Move include of system.h before toplev.h.
15506 Thu Aug 26 09:46:16 1999 Nick Clifton <nickc@cygnus.com>
15508 * dwarf2out.c (mem_loc_descriptor): Accept LABEL_REFs as well
15511 1999-08-25 22:10 -0700 Zack Weinberg <zack@bitmover.com>
15513 * system.h: Don't redefine abort or trim_filename.
15514 * rtl.h: Define abort to fancy_abort (__FILE__, __LINE__, 0)
15515 or fancy_abort (__FILE__, __LINE__, __FUNCTION__) depending on
15516 whether or not __FUNCTION__ is available.
15517 * tree.h: Duplicate rtl.h's definition of abort, for files
15518 that don't include rtl.h. Delete all code to perform type
15519 checking with a compiler other than GCC.
15520 * varray.h: Delete all code to perform type checking with a
15521 compiler other than GCC. Make VARRAY_CHECK() always evaluate
15522 its arguments exactly once, using a statement expression.
15523 Adjust the VARRAY_<type> accessor macros to match.
15524 * toplev.h (fatal_insn, fatal_insn_not_found): Kill.
15525 (_fatal_insn, _fatal_insn_not_found): New fns, take info on
15526 caller's location. Define fatal_insn and fatal_insn_not_found
15527 as macros that use _fatal_insn and _fatal_insn_not_found.
15528 (fancy_abort, trim_filename): Kill prototypes.
15530 * rtl.c (trim_filename): Move here from toplev.c.
15531 (fancy_abort): New function.
15532 (DIR_SEPARATOR): Provide default definition.
15533 * tree.c (tree_check_failed, tree_class_check_failed): Go
15534 through fancy_abort.
15535 (tree_check, tree_class_check, cst_or_constructor_check,
15536 expr_check): Delete.
15537 * varray.c (varray_check_failed): New function.
15538 * toplev.c (fatal_insn, fatal_insn_not_found): Replace with
15539 _fatal_insn and _fatal_insn_not_found. Go through
15541 (trim_filename, fancy_abort): Delete.
15543 * builtins.c (expand_builtin_args_info): Report ICE with abort.
15544 * except.c (start_catch_handler): Report ICE with error/abort
15546 * final.c (output_operand_lossage): Likewise.
15547 * flow.c (verify_flow_info): Likewise.
15549 * gcc.c: Prototype fatal.
15550 * gengenrtl.c: Undef abort after including rtl.h not system.h.
15551 * genattr.c, genattrtab.c, genemit.c, genextract.c,
15552 genflags.c, genopinit.c, genoutput.c, genpeep.c, genrecog.c:
15553 Don't define fancy_abort.
15555 Wed Aug 25 17:56:59 1999 Richard Henderson <rth@cygnus.com>
15557 * optabs.c (emit_cmp_and_jump_insns): Be more thorough in
15560 Wed Aug 25 15:35:55 1999 Richard Henderson <rth@cygnus.com>
15562 * m88k.h (VERSION_INFO2): Kill.
15563 (VERSION_STRING): Kill.
15565 (VERSION_INFO1): Tidy.
15566 (TARGET_VERSION): Update.
15567 * m88k/dgux.h (VERSION_INFO2): Kill.
15568 (ASM_FIRST_LINE): Adjust for death of VERSION_STRING.
15569 * m88k/luna.h (VERSION_INFO1): Tidy.
15570 * m88k/sysv4.h (VERSION_INFO1): Likewise.
15571 * m88k.c (out_rcs_id, tm_rcs_id): Kill.
15572 (output_file_start): Adjust for death of VERSION_STRING.
15574 1999-08-25 13:51 -0700 Jim Meyering <meyering@ascend.com>
15576 * cpplib.c (detect_if_not_defined): New function.
15577 (do_if): Use it to detect potential once-only headers.
15579 Wed Aug 25 14:00:18 1999 Jason Merrill <jason@yorick.cygnus.com>
15581 * c-common.c (combine_strings): Always set TREE_CONSTANT.
15583 Wed Aug 25 15:27:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
15585 * combine.c (nonzero_bits) : Allow single-ly set registers to be
15586 anywere in the function only if they are pseudos and set before
15587 being used (not live at the start of the function).
15588 (num_sign_bit_copies) : Same.
15589 (get_last_value_validate) : Same.
15590 (get_last_value) : Same.
15592 Wed Aug 25 11:13:29 1999 Richard Henderson <rth@cygnus.com>
15594 * loop.c (express_from): Try harder to unify (* c N) and (* c M)
15595 where N and M are constant and N is an integer multiple of M.
15597 Wed Aug 25 13:55:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
15599 * sbitmap.h (sbitmap_intersection_of_succs): Add prototype.
15600 (sbitmap_intersection_of_preds, sbitmap_union_of_succs,
15601 sbitmap_union_of_preds): Add prototypes.
15602 * sbitmap.c (sbitmap_intersection_of_succs): New function to compute
15603 the intersection of successors with the new flow graph structures.
15604 (sbitmap_intersection_of_preds): New function to compute the
15605 intersection of predecessors with the new flow graph structures.
15606 (sbitmap_union_of_succs): New function to compute the union of
15607 successors with the new flow graph structures.
15608 (sbitmap_union_of_preds): New function to compute the union of
15609 predecessors with the new flow graph structures.
15610 * gcse.c (compute_rdm, compute_available): Use new sbitmap routines.
15611 (expr_reaches_here_p): Use edge and basic_block structures instead
15612 of s_preds and s_succs.
15613 (compute_cprop_avinout): Use new sbitmap routines.
15614 (pre_expr_reaches_here_p): Use edge and basic_block structures instead
15615 of s_preds and s_succs.
15616 * flow.c (compute_flow_dominators): Compute dominators using
15617 edges and basic blocks instead of s_preds and s_succs.
15619 Wed Aug 25 13:41:47 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
15621 * lists.c (unused_insn_list, unused_expr_list): New file for
15622 maintaining various types of lists. New statics for maintaining a
15623 cache of available INSN_LIST and EXPR_LIST nodes.
15624 (free_list): Static function for freeing a list of INSN/EXPR nodes.
15625 (alloc_INSN_LIST): Function to get a free INSN_LIST node.
15626 (alloc_EXPR_LIST): Function to get a free EXPR_LIST node.
15627 (init_EXPR_INSN_LIST_cache): Initialize the cache lists.
15628 (free_EXPR_LIST_list): Free an entire list of EXPR_LIST nodes.
15629 (free_INSN_LIST_list): Free an entire list of INSN_LIST nodes.
15630 (free_EXPR_LIST_node): Free an individual EXPR_LIST node.
15631 (free_INSN_LIST_node): Free an individual INSN_LIST node.
15632 * haifa-sched.c (unused_insn_list, unused_expr_list): Moved to flow.c
15633 (free_list, alloc_INSN_LIST, alloc_EXPR_LIST): Moved to flow.c
15634 (remove_dependence, free_pending_lists): Use new global routines.
15635 (flush_pending_lists, sched_analyze_insn): Use new global routines.
15636 (sched_analyze, compute_block_backward_dependences): Use new routines.
15637 (sched_analyze_1, sched_analyze_2): Use new routines.
15638 (schedule_insns): Use new global routines.
15639 * rtl.h (init_EXPR_INSN_LIST_cache, free_EXPR_LIST_list): Add function
15641 (free_INSN_LIST_list, free_EXPR_LIST_node): Add prototypes.
15642 (free_INSN_LIST_node, alloc_INSN_LIST, alloc_EXPR_LIST): Add function
15644 * toplev.c (rest_of_compilation): Initialize node cache.
15645 * Makefile.in (OBJS): Add lists.o to list of object files.
15646 (lists.o): Add dependancies.
15648 Wed Aug 25 17:31:56 1999 Nick Clifton <nickc@cygnus.com>
15650 * config/v850/v850.md: Fix compile time warning messages.
15651 * config/v850/v850.c: Fix compile time warning messages.
15652 * config/v850/v850.h: Fix compile time warning messages.
15654 Wed Aug 25 09:44:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15656 * genattr.c (gen_attr): Add prototype arguments for get_attr_*().
15657 Remove unused prototype for `init_lengths'.
15659 Wed Aug 25 09:32:31 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15661 * calls.c (emit_call_1): Mark parameter `stack_size' with
15663 (expand_call): Initialize variable `insn'.
15664 (emit_library_call): Likewise for variable `high_to_save'.
15665 (emit_library_call_value): Likewise.
15666 (store_one_arg): Likewise for variables `lower_bound' and
15669 * combine.c (try_combine): Likewise for variables `i2_code_number'
15670 and `other_code_number'.
15671 (find_split_point): Likewise for variables `pos', `unsignedp' and
15673 (simplify_if_then_else): Likewise for variables `op' and `c1'.
15674 (simplify_and_const_int): Remove unused variable `width'.
15675 (merge_outer_ops): Likewise.
15677 * cse.c (simplify_binary_operation): Cast an INTVAL() to `unsigned
15678 HOST_WIDE_INT' when comparing against one.
15679 (simplify_relational_operation): Likewise.
15680 (cse_insn): Initialize variables `src_eqv_volatile',
15681 `src_eqv_in_memory', `src_eqv_in_struct', `src_eqv_hash' and `sets'.
15683 * final.c (init_final): Constify parameter `filename'.
15684 (final_start_function): Mark parameter `optimize' with
15686 (profile_function): Likewise for parameters `first' and `optimize'.
15687 (output_source_line): Likewise for parameter `file'.
15689 * integrate.c (subst_constants): Cast a value to `size_t' when
15690 comparing against one.
15691 (mark_stores): Initialize variable `mode'. Cast a value to
15692 `size_t' when comparing against one.
15694 * integrate.h (MAYBE_EXTEND_CONST_EQUIV_VARRAY): Likewise.
15696 * loop.c (move_movables): Initialize variable `first'.
15697 (strength_reduce): Likewise for variable `increment'.
15698 (check_dbra_loop): Likewise for variable `comparison_val'. Cast a
15699 value to `size_t' when comparing against one.
15700 (load_mems): Initialize variable `end_label'.
15702 * output.h (init_final): Constify parameter.
15704 * reload.c (decompose): Initialize variable `base'.
15706 * reload1.c (reload): Likewise for variable `is_scalar'.
15707 (spill_hard_reg): Mark parameter `dumpfile' with ATTRIBUTE_UNUSED.
15708 (choose_reload_regs): Initialize variable `mode'.
15709 (emit_reload_insns): Likewise for variable `store_insn'.
15710 (reload_cse_noop_set_p): Mark parameter `insn' with
15712 (reload_combine): Initialize variable `set'.
15714 * unroll.c (unroll_loop): Likewise for variable `local_label'.
15715 (copy_loop_body): Cast a value to `size_t' when comparing against
15718 * varasm.c (assemble_variable): Initialize variable `size_tree'.
15719 (const_hash): Add an `else abort()' in an if-else-if-else sequence.
15720 (remove_from_pending_weak_list): Mark parameter `name' with
15723 Wed Aug 25 11:18:39 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15725 * toplev.c (rest_of_compilation): Use decl_printable_name when opening
15728 Wed Aug 25 10:57:12 1999 Nick Clifton <nickc@cygnus.com>
15730 * config/arm/telf.h (ASM_WEAKEN_LABEL): Define.
15731 (ASM_DECLARE_FUNCTION_NAME): Define.
15732 (TYPE_ASM_OP, SIZE_ASM_OP, TYPE_OPERAND_FORMAT,
15733 ASM_DECLARE_RESULT, ASM_DECLARE_OBJECT_NAME,
15734 ASM_FINISH_DECLARE_OBJECT, ASM_DECLARE_FUNCTION_SIZE): Define if
15735 not already defined.
15737 Wed Aug 25 01:36:11 1999 John David Anglin <dave@hiauly1.hia.nrc.ca>
15739 * calls.c (emit_call_1): Use call_pop/call_value_pop for all values
15740 of n_popped when call/call_value are not defined.
15742 Wed Aug 25 01:25:14 1999 Jeffrey A Law (law@cygnus.com)
15744 * tm.texi: GNU CC -> GCC conversion.
15745 (CC1_SPEC): Indicate it is used for all language front ends.
15747 Tue Aug 24 23:43:03 1999 Mark Mitchell <mark@codesourcery.com>
15749 * flow.c (delete_block): Spell NOTE_INSN_EH_REGION_BEG and
15750 NOTE_INSN_EH_REGION_END correctly.
15752 Tue Aug 24 23:26:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
15753 Jeff Law <law@cygnus.com>
15755 * loop.c (strength_reduce): Automatically unroll loops if the
15756 unrolled loop size is smaller than the rolled loop size.
15758 * loop.c (insert_bct): Replace use of sdiv_optab with asr_optab
15759 and delete comment that code should be rewritten.
15761 Tue Aug 24 22:56:35 1999 Jeffrey A Law (law@cygnus.com)
15763 * haifa-sched.c (find_rgns): Mark a block found during the DFS search
15766 * haifa-sched.c (get_visual_tbl_length): Fix off-by-one error.
15768 Tue Aug 24 22:41:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
15770 * fixinc/mkfixinc.sh: Don't fix uwin headers.
15771 * i386/uwin.h (MD_STARTFILE_PREFIX): Define.
15772 (LINK_SPEC): Add -u _main when building executables.
15773 (ASM_DECLARE_FUNCTION): Update from Cygwin.
15774 (ASM_FILE_END): Use the default for ix86-pe.
15775 * i386/xm-uwin.h (HAVE_BCOPY): Undefine.
15777 Tue Aug 24 20:49:47 1999 Art Haas <ahaas@neosoft.com>
15779 * final.c (output_addr_const): Handle case where ASM_OPEN_PAREN
15780 and ASM_CLOSE_PAREN are empty strings.
15782 Wed Aug 25 12:46:22 1999 Fred Fish <fnf@cygnus.com>
15783 Geoffrey Keating <geoffk@cygnus.com>
15785 * Makefile.in (PREPROCESSOR_DEFINES): New macro.
15786 (protoize.o): Use PREPROCESSOR_DEFINES and DRIVER_DEFINES.
15787 (unprotoize.o): Ditto.
15788 (test-protoize-simple): Don't define STD_PROTO_DIR.
15789 * protoize.c: Use PARAMS rather than PROTO. Minor whitespace
15790 changes to make 'test-protoize-simple' pass.
15791 (STD_PROTO_DIR): Remove define.
15792 (STANDARD_EXEC_PREFIX): Supply default define.
15793 (standard_exec_prefix): New variable, init to STANDARD_EXEC_PREFIX.
15794 (target_machine): New variable, init to DEFAULT_TARGET_MACHINE.
15795 (target_version): New variable, init to DEFAULT_TARGET_VERSION.
15796 (GET_ENV_PATH_LIST): New macro.
15797 (default_syscalls_dir): No longer initialized to STD_PROTO_DIR.
15798 (do_processing): Initialize default_syscalls_dir using new
15799 macros. Use it to initialize syscalls_absolute_filename.
15801 Tue Aug 24 16:58:15 1999 Richard Henderson <rth@cygnus.com>
15803 * jump.c (jump_optimize_1): Do cmov opt on any single-set; force
15804 B into a register before emit_conditional_move.
15806 Tue Aug 24 15:37:03 1999 Richard Henderson <rth@cygnus.com>
15808 * fold-const.c (fold): Reassociate (+ (+ (* a b) c) (* d e))
15809 as (+ (+ (* a b) (* d e)) c). Factor a common power-of-two
15810 multiplicand out of (+ (* a b) (* c d)).
15812 Tue Aug 24 11:46:10 1999 Bob Manson <manson@cygnus.com>
15813 Richard Henderson <rth@cygnus.com>
15815 * haifa-sched.c (split_hard_reg_notes): Move to flow.c
15816 (new_insn_dead_notes): Likewise.
15817 (update_n_sets): Likewise.
15818 (update_flow_info): Move to flow.c, renamed to update_life_info;
15819 extend to handle multiple source insns.
15820 * flow.c: Include resource.h
15821 (unlink_insn_chain): New.
15822 (split_hard_reg_notes): New.
15823 (maybe_add_dead_note): New.
15824 (maybe_add_dead_note_use): New.
15825 (find_insn_with_note): New.
15826 (new_insn_dead_notes): New.
15827 (update_n_sets): New.
15828 (sets_reg_or_subreg_1, sets_reg_or_subreg): New.
15829 (maybe_remove_dead_notes): New.
15830 (update_life_info): New.
15831 (prepend_reg_notes): New.
15832 (replace_insns): New.
15833 * output.h (update_life_info): Declare.
15834 * recog.c (split_block_insns): Use update_life_info.
15835 * resource.c (find_free_register): Use reg_alloc_order, don't use
15836 fixed regs, make sure the mode is supported, don't use new regs.
15838 * rtl.h (replace_insns): Declare.
15840 Tue Aug 24 13:48:39 1999 Nathan Sidwell <nathan@acm.org>
15842 * expr.c (expand_expr): Cope with COND_EXPRs with one
15843 non-returning branch.
15845 Mon Aug 23 22:28:16 1999 Mark Mitchell <mark@codesourcery.com>
15847 * expr.c (store_expr): Always pass down the target, even when not
15850 1999-08-24 Nick Clifton <nickc@cygnus.com>
15852 * configure.in: Define target_cpu_default for v850 targets.
15853 * configure: Regenerate
15855 * config/v850/v850.h (TARGET_CPU_generic): Define.
15856 (GO_IF_LEGITIMATE_ADDRESS): Insist that SImode and larger constant
15857 addresses are 4 byte aligned.
15859 * config/v850/v850.c (print_operand): Cope with 'R' format DFmode
15862 Tue Aug 24 09:32:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15864 * genattr.c (function_unit_desc): Constify a char*. Add prototype.
15865 (main): Add prototypes.
15867 * genattrtab.c (substitute_address, write_const_num_delay_slots,
15868 attr_eq, attr_numeral, attr_equal_p, attr_copy_rtx): Prototype.
15869 (write_attr_get): Emit prototypes along with function definition.
15870 (write_eligible_delay): Mark a parameter with ATTRIBUTE_UNUSED.
15871 (write_complex_function): Emit static prototype along with
15872 function definition.
15874 * genemit.c (gen_split): Emit prototypes along with function
15877 * genoutput.c (output_epilogue): Add prototype to `insn_outfun'.
15878 Likewise for predicates and `insn_operand_predicate'.
15879 (process_template): Emit static prototype along with function
15882 * genrecog.c (make_insn_sequence): Constify a char*. Add
15883 prototypes for get_split_*().
15884 (write_subroutine): Emit prototypes along with function
15887 Tue Aug 24 12:35:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15889 * gcse.c (find_avail_set): Follow chains of register-register copies.
15890 Use oprs_not_set_p to guarantee that the returned value can be
15892 (cprop_insn): Don't verify the return value of find_avail_set with
15895 * gcse.c (cprop_jump): New function, broken out of cprop_insn.
15896 (cprop_cc0_jump): New function.
15897 (cprop_insn): Break out new function cprop_jump and use it.
15898 Also use cprop_cc0_jump for machines with CC0.
15899 (cprop): Don't crash if cprop_insn turned the insn into a NOTE.
15901 * tree.h (current_function_calls_setjmp,
15902 current_function_calls_longjmp): Delete declarations.
15903 * dsp16xx.c: Include "function.h".
15904 * elxsi.c: Likewise.
15905 * gmicro.c: Likewise.
15906 * h8300.c: Likewise.
15907 * i370.c: Likewise.
15908 * m32r.c: Likewise.
15909 * mn10200.c: Likewise.
15910 * mn10300.c: Likewise.
15911 * ns32k.c: Likewise.
15912 * spur.c: Likewise.
15913 * v850.c: Likewise.
15915 * rtl.h (rtx_equal_function_value_matters): Declare.
15916 * toplev.c (rtx_equal_function_value_matters): Don't declare.
15918 * function.c: Likewise.
15919 * emit-rtl.c: Likewise.
15921 Tue Aug 24 02:47:44 1999 Jeffrey A Law (law@cygnus.com)
15923 * expr.c (convert_move): Fix arguments to TRULY_NOOP_TRUNCATION
15926 1999-08-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
15928 * jump.c (delete_barrier_successors) Match (set (pc) (pc)) insn
15931 Mon Aug 23 23:35:52 1999 Matthias Klose <doko@cs.tu-berlin.de>
15933 * cpp.texi: Add a node documenting macro varargs (copied
15936 1999-08-23 22:23 -0700 Zack Weinberg <zack@bitmover.com>
15938 * cppspec.c: Put a null pointer at the end of the new argv.
15940 Mon Aug 23 21:23:24 1999 Jeffrey A Law (law@cygnus.com)
15942 * configure.in: Remove code to select/de-select the haifa
15943 scheduler. Every scheduled port gets haifa now.
15944 * configure: Rebuilt.
15945 * flags.h, genattrtab.c, rtl.h, toplev.c: Remove HAIFA ifdefs.
15947 * Makefile.in: Corresponding changes.
15949 Mon Aug 23 16:04:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
15951 * optabs.c (prepare_cmp_insn): Turn COMPARISON arg into a pointer.
15952 All callers changed.
15953 (prepare_float_lib_cmp): Likewise.
15954 Use FLOAT_LIB_COMPARE_RETURNS_BOOL.
15955 * expr.h (emit_float_lib_cmp): Delete declaration.
15956 * tm.texi (FLOAT_LIB_COMPARE_RETURNS_BOOL): Document.
15957 * sparc.h (FLOAT_LIB_COMPARE_RETURNS_BOOL): Define.
15958 * sparc.md (bcc and scc patterns): Don't handle TFmode comparisons
15960 (cmptf): Now conditional on TARGET_HARD_QUAD.
15962 Fri Aug 20 17:52:27 1999 Jim Wilson <wilson@cygnus.com>
15964 * resource.c (mark_target_live_regs): Use
15965 PIC_OFFSET_TABLE_REG_CALL_CLOBBERED.
15967 Fri Aug 20 19:07:55 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15969 * rtl.c (rtx_class, note_insn_name, reg_note_name): Constify.
15971 * rtl.h (rtx_class, reg_note_name, note_insn_name): Likewise.
15973 * genopinit.c (gen_insn): Use accessor macro, not `rtx_class'.
15975 Fri Aug 20 18:53:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15977 * rtl.h (rtx_format): Constify a char*.
15979 * rtl.c (rtx_format): Likewise.
15980 (copy_rtx, copy_most_rtx, read_rtx): Likewise.
15981 (init_rtl): Use accessor macro, not `rtx_format'.
15983 * alias.c (rtx_equal_for_memref_p, find_symbolic_term): Constify a
15986 * caller-save.c (mark_referenced_regs): Likewise.
15988 * combine.c (subst, make_compound_operation, known_cond,
15989 gen_rtx_combine, update_table_tick, get_last_value_validate,
15990 use_crosses_set_p, mark_used_regs_combine, move_deaths): Likewise.
15992 * cse.c (rtx_cost, mention_regs, canon_hash, exp_equiv_p,
15993 refers_to_p, canon_reg, fold_rtx, cse_process_notes,
15994 count_reg_usage): Likewise.
15996 * emit-rtl.c (gen_rtx, copy_rtx_if_shared, reset_used_flags):
15999 * final.c (leaf_renumber_regs_insn): Likewise.
16001 * flow.c (mark_used_regs, find_use_as_address, dump_flow_info,
16002 dump_edge_info, count_reg_references): Likewise.
16004 * function.c (fixup_var_refs_1, walk_fixup_memory_subreg,
16005 fixup_stack_1, purge_addressof_1, instantiate_virtual_regs_1):
16008 * gcse.c (oprs_unchanged_p, hash_expr_1, expr_equiv_p,
16009 oprs_not_set_p, expr_killed_p, compute_transp, find_used_regs,
16010 add_label_notes): Likewise.
16012 * genattrtab.c (attr_rtx, attr_copy_rtx, encode_units_mask,
16013 clear_struct_flag, count_sub_rtxs, count_alternatives,
16014 compares_alternatives_p, contained_in_p, walk_attr_value,
16015 write_expr_attr_cache): Likewise.
16017 * genconfig.c (walk_insn_part): Likewise.
16019 * genemit.c (max_operand_1, gen_exp): Likewise.
16021 * genextract.c (walk_rtx): Likewise.
16023 * genflags.c (num_operands): Likewise.
16025 * genoutput.c (scan_operands): Likewise.
16027 * genpeep.c (match_rtx): Likewise.
16029 * genrecog.c (add_to_sequence): Likewise.
16031 * haifa-sched.c (may_trap_exp, sched_analyze_2, attach_deaths):
16034 * integrate.c (save_constants, copy_for_inline,
16035 copy_rtx_and_substitute, subst_constants, restore_constants):
16038 * jump.c (mark_jump_label, invert_exp, redirect_exp,
16039 rtx_renumbered_equal_p, rtx_equal_for_thread_p): Likewise.
16041 * local-alloc.c (contains_replace_regs, memref_referenced_p):
16044 * loop.c (record_excess_regs, rtx_equal_for_loop_p,
16045 add_label_notes, replace_call_address, count_nonfixed_reads,
16046 invariant_p, find_single_use_in_loop, find_mem_givs,
16047 find_life_end, maybe_eliminate_biv_1, update_reg_last_use):
16050 * print-rtl.c (reg_names, print_rtx): Likewise.
16052 * recog.c (validate_replace_rtx_1, find_single_use_1): Likewise.
16054 * reg-stack.c (stack_regs_mentioned_p, record_label_references,
16055 record_reg_life_pat, swap_rtx_condition, goto_block_pat,
16056 print_blocks): Likewise.
16058 * regclass.c (fix_register, record_address_regs,
16059 reg_scan_mark_refs): Likewise.
16061 * regmove.c (stable_but_for_p): Likewise.
16063 * reload.c (loc_mentioned_in_p, operands_match_p,
16064 find_reloads_toplevsubst_reg_equivs, find_reloads_address_1,
16065 copy_replacements, refers_to_regno_for_reload_p,
16066 refers_to_mem_for_reload_p, find_inc_amount, regno_clobbered_p,
16067 reload_when_needed_name, reg_class_names, debug_reload_to_stream):
16070 * reload1.c (eliminate_regs, scan_paradoxical_subregs,
16071 delete_address_reloads_1, count_occurrences,
16072 reload_cse_mem_conflict_p, reload_combine_note_use,
16073 add_auto_inc_notes): Likewise.
16075 * resource.c (mark_referenced_resources, mark_set_resources):
16078 * rtlanal.c (rtx_unstable_p, rtx_varies_p, rtx_addr_varies_p,
16079 reg_mentioned_p, regs_set_between_p, modified_between_p,
16080 modified_in_p, refers_to_regno_p, reg_overlap_mentioned_p,
16081 rtx_equal_p, volatile_insn_p, volatile_refs_p, side_effects_p,
16082 may_trap_p, inequality_comparisons_p, replace_rtx, replace_regs,
16083 jmp_uses_reg_or_mem, for_each_rtx, regno_use_in): Likewise.
16085 * sched.c (sched_analyze_2, attach_deaths): Likewise.
16087 * stupid.c (stupid_mark_refs): Likewise.
16089 * unroll.c (remap_split_bivs): Likewise.
16091 * varasm.c (mark_constants): Likewise.
16093 * a29k/a29k.c (uses_local_reg_p): Likewise.
16095 * alpha/alpha.c (summarize_insn): Likewise.
16097 * arm/arm.c (symbol_mentioned_p, label_mentioned_p,
16098 eliminate_lr2ip): Likewise.
16100 * arm/thumb.c (symbol_mentioned_p, label_mentioned_p): Likewise.
16102 * i386/i386.c (symbolic_reference_mentioned_p, copy_all_rtx,
16103 reg_mentioned_in_mem): Likewise.
16105 * ns32k/ns32k.c (global_symbolic_reference_mentioned_p,
16106 symbolic_reference_mentioned_p): Likewise.
16108 * romp/romp.c (unsigned_comparisons_p, hash_rtx): Likewise.
16110 * sh/sh.c (regs_used, mark_use): Likewise.
16112 * vax/vax.c (vax_rtx_cost): Likewise.
16114 Fri Aug 20 18:38:43 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16116 * machmode.h (mode_name): Constify a char*.
16118 * rtl.c (mode_name): Likewise.
16120 * genopinit.c (gen_insn): Use accessor macro, not `mode_name'.
16122 * optabs.c (init_libfuncs): Constify a char*.
16124 * print-tree.c (mode_name): Remove redundant declaration.
16125 (print_node): Use accessor macro, not `mode_name'.
16127 * reload1.c (dump_needs): Constify a char*. Use accessor macro,
16129 (new_spill_reg): Constify a char*.
16131 * tree.c (mode_name): Remove redundant declaration.
16133 Fri Aug 20 18:31:26 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16135 * rtl.c (rtx_name): Constify a char*.
16137 * rtl.h (rtx_name, fix_sched_param): Likewise.
16139 * gmicro/gmicro.c (rtx_name): Remove redundant declaration.
16140 (mypr): Use accessor macro, not `rtx_name'.
16142 * genemit.c (print_code): Constify a char*.
16144 * genopinit.c (gen_insn): Use accessor macro, not `rtx_name'.
16146 * genpeep.c (print_code): Constify a char*.
16148 * genrecog.c (print_code): Likewise.
16150 * graph.c (start_fct, start_bb, node_data, draw_edge, end_fct,
16151 end_bb): Add static prototype.
16152 (draw_edge): Constify a char*.
16153 (end_bb): Remove unused parameter.
16155 * haifa-sched.c (fix_sched_param, safe_concat, print_exp
16156 print_block_visualization): Constify a char*.
16158 Fri Aug 20 15:02:10 1999 Mark Mitchell <mark@codesourcery.com>
16160 * c-common.c (c_get_alias_set): Update comment.
16162 1999-08-20 Andreas Jaeger <aj@arthur.rhein-neckar.de>
16164 * linux.h (LIB_SPEC): Added.
16166 Fri Aug 20 22:32:17 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16168 * config/c4x/c4x.h (STARTFILE_SPEC): Don't define.
16170 1999-08-19 18:43 -0700 Zack Weinberg <zack@bitmover.com>
16172 * tree.c (expr_check): Fix typo in last change.
16174 1999-08-19 14:44 -0700 Zack Weinberg <zack@bitmover.com>
16176 * rtl.def (NOTE): Change format to "iuu0n".
16177 (ADDR_DIFF_VEC): Change format to "eEee0".
16178 (ADDRESSOF): Change format to "eit".
16180 * rtl.h (rtvec): Make "elem" an array of rtx, not rtunion.
16181 (RTVEC_ELT): Change to match.
16182 (XVECEXP): Use XVEC and RTVEC_ELT.
16183 (INSN_UID, INSN_CODE, CODE_LABEL_NUMBER, NOTE_LINE_NUMBER,
16184 ADDRESSOF_REGNO, REGNO, SUBREG_WORD): Use XINT.
16185 (PREV_INSN, NEXT_INSN, PATTERN, REG_NOTES,
16186 CALL_INSN_FUNCTION_USAGE, SUBREG_REG, SET_SRC, SET_DEST,
16187 TRAP_CONDITION, TRAP_CODE): Use XEXP.
16188 (INTVAL): Use XWINT.
16189 (ADDRESSOF_DECL): Use XTREE.
16190 (SET_ADDRESSOF_DECL): Delete.
16191 (NOTE_DECL_NAME, NOTE_DECL_CODE, NOTE_DECL_RTL,
16192 NOTE_DECL_IDENTIFIER, NOTE_DECL_TYPE): Kill. These have been
16193 ifdefed out since 2.6 at least.
16194 (gen_rtvec_vv): Delete prototype.
16196 * rtl.h (rtvec_alloc): rt->elem is now an array of rtx,
16198 (copy_most_rtx): Handle 't' format letter.
16199 * emit-rtl.c (gen_rtvec_v): rt_val->elem is an array of rtx.
16200 (gen_rtvec_vv): Delete function. All callers changed to use
16201 gen_rtvec_v instead.
16202 * print-rtl.c (print_rtx): Move special casing of NOTEs to
16203 the '0' format letter.
16205 * function.c (gen_mem_addressof): Don't use
16206 SET_ADDRESSOF_DECL; provide `decl' to gen_rtx_ADDRESSOF
16208 * integrate.c (copy_rtx_and_substitute): Likewise.
16209 Copy 't' slots with XTREE.
16210 (subst_constants): Treat 't' slots like '[swi]' slots.
16211 * cse.c (canon_hash, exp_equiv_p): Treat 't' slots like '0' slots.
16212 * jump.c (rtx_equal_for_thread_p): Likewise.
16213 * rtlanal.c (rtx_equal_p): Likewise.
16214 * stmt.c (expand_end_case): gen_rtx_ADDR_DIFF_VEC now takes
16215 only four arguments.
16216 * gengenrtl.c (type_from_format): Provide correct types for
16220 * tree.h [ENABLE_CHECKING] (TREE_CHECK, TREE_CLASS_CHECK):
16221 If a recent gcc is in use (always in stage2 and beyond), use
16222 statement expressions, so we don't make a function call unless
16223 the check fails. Evaluate arguments exactly once.
16224 (CHAIN_CHECK, DO_CHECK, DO_CHECK1, TREE_CHECK1,
16225 TREE_CLASS_CHECK1, TYPE_CHECK1, DECL_CHECK1, CST_CHECK1):
16227 (CST_OR_CONSTRUCTOR_CHECK, EXPR_CHECK): Redefine such that
16228 they evaluate their arguments exactly once, irrespective of
16229 the compiler in use.
16231 * tree.c [ENABLE_CHECKING]: Define whichever set of functions
16232 is used by the currently-enabled check macros. This is:
16233 (tree_check_failed, tree_class_check_failed): For gcc.
16234 (tree_check, tree_class_check, cst_or_constructor_check,
16235 expr_check): For other compilers.
16237 * gencheck.c: Do not define any *_CHECK1 macros.
16239 Thu Aug 19 14:42:38 1999 Mike Stump <mrs@wrs.com>
16240 Mark Mitchell <mark@codesourcery.com>
16242 * c-common.c (c_get_alias_set): Fix support for poitners and
16245 Thu Aug 19 11:51:22 EDT 1999 John Wehle (john@feith.com)
16247 * alias.c: Include tree.h.
16248 (nonlocal_reference_p, mark_constant_function): New functions.
16249 * flow.c (life_analysis): Call mark_constant_function.
16250 * rtl.h (mark_constant_function): Declare it.
16252 Thu Aug 19 15:02:01 1999 Nick Clifton <nickc@cygnus.com>
16254 * config/rs6000/rs6000.c (rs6000_override_options): Fix test for
16255 unrecognisable switches.
16257 Wed Aug 18 23:31:57 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16259 * loop.c (recombine_givs): Set ix field after sorting.
16260 (recombine_givs): Remove bogus index / giv lockstep looping.
16262 Wed Aug 18 18:20:40 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16264 * expmed.c (emit_store_flag): If UNSIGNEDP, call unsigned_condition
16266 (emit_store_flag_force): Use do_compare_rtx_and_jump.
16267 (do_cmp_and_jump): Formatting fixes.
16268 * expr.c (do_compare_and_jump): Renamed from compare; changed to call
16269 do_compare_rtx_and_jump instead of compare_from_rtx.
16270 (do_compare_rtx_and_jump): New function; mostly copied from
16272 (do_jump_for_compare): Delete.
16273 (expand_expr): Use do_compare_rtx_and_jump when handling MAX_EXPR and
16275 (do_jump): Use do_compare_and_jump or do_compare_rtx_and_jump instead
16276 of compare/do_jump_for_compare pairs.
16277 (do_jump_by_parts_greater): Use do_jump_by_parts_greater_rtx.
16278 (do_jump_by_parts_greater_rtx): Use do_compare_rtx_and_jump instead of
16279 compare_from_rtx/do_jump_for_compare pairs.
16280 (do_jump_by_parts_equality): Likewise.
16281 (do_jump_by_parts_equality_rtx): Likewise.
16282 * expr.h (do_compare_rtx_and_jump): Declare.
16283 * optabs.c (prepare_cmp_insn): New function, contains most of the code
16284 that used to be in emit_cmp_insn.
16285 (cmp_available_p): New function.
16286 (prepare_operand): New function.
16287 (emit_cmp_and_jump_insn_1): New function, contains some code that used
16288 to be in emit_cmp_insn.
16289 (prepare_float_lib_cmp): Renamed from emit_float_lib_cmp; change some
16290 parameters to be pointers; don't emit final compare but modify some of
16291 the values pointed to by the args so the caller can perform the
16292 correct comparison.
16293 (expand_binop): Call emit_store_flag_force with signed forms of
16295 (expand_abs): Use do_compare_rtx_and_jump instead of compare_from_rtx/
16296 emit_jump_insn pair.
16297 (emit_cmp_and_jump_insn): Use prepare_cmp_insn and
16298 emit_cmp_and_jump_insn_1. Call emit_queue.
16299 (emit_cmp_insn): Just call emit_cmp_and_jump_insns with zero for LABEL
16301 * flow.c (tidy_fallthru_edge): If HAVE_cc0, verify insn before a
16302 jump sets cc0 before deleting it.
16303 * integrate.c (expand_inline_function): Likewise.
16304 * unroll.c (unroll_loop): Similar changes in several places.
16305 (copy_loop_body): If HAVE_cc0, verify insn before a jump sets cc0
16306 before deleting it.
16308 Wed Aug 18 06:37:44 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16310 * Makefile.in (insn-recog.o): Update dependencies.
16311 * genrecog.c (main): Make generated file include "function.h".
16313 Sat Aug 14 00:54:57 1999 Geoffrey Keating <geoffk@cygnus.com>
16315 * cse.c (cse_insn): Call never_reached_warning when a jump is
16316 changed to be unconditional.
16317 * flags.h: Declare warn_notreached.
16318 * flow.c (delete_block): Call never_reached_warning when
16319 a block is deleted.
16320 * jump.c (delete_barrier_successors): Call never_reached_warning
16321 when we delete everything after a BARRIER.
16322 (never_reached_warning): New function.
16323 * rtl.h: Declare never_reached_warning.
16324 * toplev.c (warn_notreached): New variable.
16325 (lang_independent_options): Set warn_notreached
16326 when -Wunreachable-code.
16327 (compile_file): We need line numbers for -Wunreachable-code.
16329 Tue Aug 17 22:06:11 1999 Jan Hubicka <hubicka@freesoft.cz>
16331 * haifa-sched.c (insn_unit): Fix typo on out of range test.
16332 * sched.c (insn_unit): Likewise.
16334 Tue Aug 17 21:57:23 1999 Andreas Schwab <schwab@suse.de>
16336 * combine.c (distribute_notes): Handle REG_EH_RETHROW.
16338 Tue Aug 17 17:39:43 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16340 * flow.c (create_edge_list): Use xmalloc, not malloc.
16342 Tue Aug 17 01:40:54 1999 Loren Rittle <ljrittle@acm.org>
16344 * fixinc/inclhack.def (no_double_slash): Do not trash single-line
16345 C-style comments. Do not lose the character before double slash.
16347 Mon Aug 16 18:08:22 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16349 * basic-block.h (struct edge_list): Stucture to maintain a vector
16351 (EDGE_INDEX_NO_EDGE, EDGE_INDEX, INDEX_EDGE_PRED_BB, INDEX_EDGE_SUCC_BB,
16352 INDEX_EDGE, NUM_EDGES): New Macros for accessing edge list.
16353 (create_edge_list, free_edge-List, print_edge_list, verify_edge_list):
16354 New function prototypes.
16355 * flow.c (create_edge_list): Function to create an edge list.
16356 (free_edge_list): Discards memory used by an edge list.
16357 (print_edge_list): Debug output showing an edge list.
16358 (verify_edge_list): Internal consistency check for an edge list.
16359 (find_edge_index): Function to find an edge index for a pred and succ.
16361 Mon Aug 16 11:56:36 1999 Mark Mitchell <mark@codesourcery.com>
16363 * tree.c (type_hash_add): Use permalloc to allocate nodes in the
16366 Mon Aug 16 17:04:15 1999 Jorn Rennecke <amylaar@cygnus.co.uk>
16368 * mips.h (CLASS_CANNOT_CHANGE_SIZE): Define.
16370 Fri Aug 13 15:20:43 1999 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
16372 * config/i386/freebsd.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
16374 Fri Aug 13 10:21:28 1999 Nick Clifton <nickc@cygnus.com>
16376 * toplev.c (rest_of_compilation): Allow machine dependent
16377 reorganisation pass to place information into the RTL dump
16378 file if it so wishes.
16380 Sun Aug 15 12:41:21 1999 Jim Wilson <wilson@cygnus.com>
16382 * explow.c (hard_function_value): Use VOIDmode instead of
16384 * stmt.c (expand_return): Likewise.
16385 * stor-layout.c (get_best_mode): Likewise.
16387 * genemit.c (gen_expand): If next is MATCH_PAR_DUP, then output
16388 emit call instead of emit_insn call.
16390 Sat Aug 14 15:04:06 1999 Mumit Khan <khan@xraylith.wisc.edu>
16392 * configure.in: Handle --disable/enable-win32-registry.
16393 * install.texi: Document --disable/enable-win32-registry.
16394 * acconfig.h (ENABLE_WIN32_REGISTRY): New macro.
16395 (WIN32_REGISTRY_KEY): New macro.
16396 * prefix.c: Use to enable/disable win32-specific code.
16397 (lookup_key): Use versioned key.
16398 * configure: Regenerate.
16399 * config.in: Likewise.
16401 Fri Aug 13 17:41:55 1999 Jason Merrill <jason@yorick.cygnus.com>
16403 * cpplib.c (read_line_number): New fn, split out of...
16406 Fri Aug 13 14:18:27 1999 Gavin Romig-Koch <gavin@cygnus.com>
16408 tree.c (lang_unsave_expr_now) : New.
16409 (unsave_expr_now): Call lang_unsave_expr_now.
16410 tree.h (lang_unsave_expr_now) : New.
16412 Fri Aug 13 00:49:46 1999 Jason Merrill <jason@yorick.cygnus.com>
16414 * toplev.c (flag_new_exceptions): On by default.
16416 1999-08-13 Michael Meissner <meissner@cygnus.com>
16418 * Makefile.in (GCC_FOR_TARGET): Move -B./ after the tooldir -B.
16420 Fri Aug 13 01:29:57 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
16422 * dwarfout.c (fundamental_type_code): Return FT_boolean for
16423 INTEGER_TYPE with precision==1, it's __java_boolean.
16425 Thu Aug 12 23:51:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
16427 * global.c (prune_preferences): Move some invariants out of the
16430 Thu Aug 12 15:30:29 1999 Jesse Perry (jap@unx.dec.com)
16432 * configure.in (alpha*-dec-osf*): Add osf5.
16434 Sun Aug 1 22:24:03 1999 Philip Blundell <philb@gnu.org>
16436 * configure.in: Rework handling of ARM GNU/Linux slightly.
16437 (arm*-*-linux-gnuoldld): New target.
16438 * configure: Regenerate.
16439 * install.texi (Configurations): Add arm-*-linux-gnu{oldld} and
16440 arm-*-elf. Mention that arm-*-linux-gnuaout is obsolete.
16441 * config/arm/linux-oldld.h: New file.
16442 * config/arm/linux-elf26.h: Don't include linux-elf.h.
16443 (TARGET_DEFAULT, SUBTARGET_LINK_SPEC, SUBTARGET_EXTRA_ASM_SPEC):
16445 * config/arm/linux-elf.h (ASM_SPEC): Define.
16446 (TARGET_DEFAULT, SUBTARGET_EXTRA_LINK_SPEC,
16447 SUBTARGET_EXTRA_ASM_SPEC, CPP_APCS_PC_DEFAULT): Add definitions
16448 for 26-bit APCS and old linker.
16449 (CPP_PREDEFINES): Define `__arm__'; don't define `arm' or
16451 (FP_DEFAULT): Define to FP_SOFT3 for all machines.
16452 * config/arm/linux-aout.h (CPP_PREDEFINES): Define `__arm__';
16453 don't define `arm' or `arm_elf'.
16454 * config/arm/t-linux (EXTRA_MULTILIB_PARTS, MULTILIB_OPTIONS,
16455 MULTILIB_DIRNAMES): Define. Fix typo in comment.
16457 Thu Aug 12 10:14:47 1999 Andreas Schwab <schwab@suse.de>
16459 * rtl.texi: Fix typo.
16461 Wed Aug 11 23:50:57 1999 Jason Merrill <jason@yorick.cygnus.com>
16463 * invoke.texi (C++ Dialect Options): Add -fms-extensions.
16465 Wed Aug 11 12:59:37 1999 Mark Mitchell <mark@codesourcery.com>
16467 * extend.texi (C++ Signatures): Remove node.
16468 * invoke.texi: Remove discussion of -fhandle-signatures,
16469 signature, sigof, __signature__, and __sigof__.
16471 Wed Aug 11 03:38:25 1999 Jeffrey A Law (law@cygnus.com)
16473 * Makefile.in (JAVAGC): Removed.
16475 Wed Aug 11 02:13:26 1999 Mumit Khan <khan@xraylith.wisc.edu>
16477 * i386/cygwin.h (ASM_OUTPUT_ALIGNED_BSS): Define.
16479 1999-08-11 Mark Elbrecht <snowball3@bigfoot.com>
16481 * i386/djgpp.h (ASM_OUTPUT_ALIGNED_BSS): Define.
16483 1999-08-11 Richard Earnshaw (rearnsha@arm.com)
16485 * emit-rtl.c (mark_reg_pointer): Don't increase the alignment of
16486 a register that is already known to be a pointer.
16488 1999-08-11 Bruce Korb <ddsinc09@ix.netcom.com>
16490 * fixinc/inclhack.tpl: Only install assert.h conditionally.
16491 * fixinc/inclhack.sh: Regenerated.
16492 * fixinc/fixincl.sh: Regenerated.
16494 Wed Aug 11 00:34:22 1999 Joe Buck <jbuck@synopsys.com>
16496 * invoke.texi: s/GNU CC/GCC/ for consistency with gcc.texi.
16497 Fix documentation of -ansi flag to describe its C++ behavior.
16498 Remove bogus reference to GCC 2.9.
16500 Tue Aug 10 17:19:02 1999 Jim Wilson <wilson@cygnus.com>
16502 * config/sh/sh.c (machine_dependent_reorg): Only call PUT_MODE on
16503 note if it is non-NULL.
16505 Tue Aug 10 10:47:42 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16507 * except.h (eh_nesting_info): Add new structure defintion.
16508 (init_eh_nesting_info, free_eh_nesting_info): Add function prototypes.
16509 (reachable_handlers, update_rethrow_references): Add function
16511 * rtl.h (struct rtvec_def): Update comments. REG_EH_RETHROW takes
16512 a rethrow symbol instead of an integer exception region number.
16513 * flow.c (Make_edges): Use new exception nesting routines to determine
16514 which handlers are reachable from a CALL or asynchronous insn.
16515 Dont add an edge for calls with a REG_EH_REGION of -1 to non-local
16517 (delete_eh_regions): Update rethrow labels, and don't delete
16518 regions which are the target of a rethrow.
16519 * except.c (struct func_eh_entry): Add rethrow_ref field, now we can
16520 avoid overloading the SYMBOL_REF_USED flag.
16521 (rethrow_symbol_map): Use new rethrow_ref field.
16522 (rethrow_used): Use new rethrow_ref field.
16523 (expand_rethrow): REG_EH_RETHROW now has a SYMBOL_REF instead
16524 of an integer. Fix formatting.
16525 (output_exception_table_entry): Use new rethrow_ref field.
16526 (can_throw): Check for EH_REGION_NOTE before deciding
16527 whether a CALL can throw or not.
16528 (scan_region): Call rethrow_used() instead of accessing data structure.
16529 (update_rethrow_references): New function to make sure only regions
16530 which are still targets of a rethrow are flagged as such.
16531 (process_nestinfo): New static function to initialize a handler
16532 list for a specific region.
16533 (init_eh_nesting_info): New function to allocate and initialize
16534 the list of all EH handlers reachable from all regions.
16535 (reachable_handlers): New function to retrieve the list of handlers
16536 reachable from a specific region and insn.
16537 (free_eh_nesting_info): New function to dispose of a list of
16538 reachable handlers.
16540 Tue Aug 10 10:39:31 EDT 1999 Andrew MacLeod <amacleod@cygnus.com>
16542 * flow.c (split_edge): Set JUMP_LABEL field.
16543 (commit_one_edge_insertion): Set head correctly for insert_before.
16544 When inserting insns, update insn block numbers if allocated.
16546 Tue Aug 10 09:26:07 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16548 * dwarf2out.c (dwarf2out_frame_debug_expr, add_incomplete_type,
16549 retry_incomplete_types): Add static prototype.
16550 (stripattributes, dwarf_cfi_name, ASM_OUTPUT_DWARF_STRING,
16551 dwarf_tag_name, dwarf_attr_name, dwarf_form_name,
16552 dwarf_stack_op_name, dwarf_type_encoding_name, add_AT_string,
16553 dwarf2_name, add_name_attribute, lookup_filename, dwarf2out_line,
16554 dwarf2out_start_source_file, dwarf2out_define, dwarf2out_undef):
16557 * dwarf2out.h (dwarf2out_define, dwarf2out_undef,
16558 dwarf2out_start_source_file, dwarf2out_line): Likewise.
16560 Tue Aug 10 09:21:46 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16562 * output.h (assemble_name): Constify a char*.
16564 * varasm.c (UNIQUE_SECTION, assemble_start_function,
16565 assemble_variable, assemble_name): Likewise.
16567 * dwarf2out.c (ASM_NAME_TO_STRING): Likewise.
16569 * arm/pe.c (arm_pe_unique_section): Likewise.
16571 * i386/cygwin.h (STRIP_NAME_ENCODING): Likewise.
16573 * i386/i386-interix.h (STRIP_NAME_ENCODING): Likewise.
16575 * i386/interix.c (i386_pe_unique_section): Likewise.
16577 * i386/win32.h (STRIP_NAME_ENCODING): Likewise.
16579 * i386/winnt.c (i386_pe_unique_section): Likewise.
16581 * m32r/m32r.h (ASM_OUTPUT_LABELREF): Likewise.
16583 * mn10200/mn10200.h (ASM_OUTPUT_LABELREF): Likewise.
16585 * mn10300/mn10300.h (ASM_OUTPUT_LABELREF): Likewise.
16587 * pa/pa.c (output_call): Likewise.
16589 * pa/pa.h (ASM_OUTPUT_MI_THUNK): Likewise.
16591 * pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Likewise.
16593 * rs6000/rs6000.c (rs6000_output_load_toc_table, output_toc):
16596 * rs6000/rs6000.h (RS6000_OUTPUT_BASENAME, STRIP_NAME_ENCODING):
16599 * rs6000/sol2.h (ASM_OUTPUT_SOURCE_LINE): Likewise.
16601 * rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME, ASM_OUTPUT_INT,
16602 STRIP_NAME_ENCODING, ASM_OUTPUT_LABELREF): Likewise.
16604 * v850/v850.h (ASM_OUTPUT_LABELREF): Likewise.
16606 Mon Aug 9 19:54:05 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16608 * real.c (GET_REAL, PUT_REAL): Use memcpy instead of bcopy.
16610 Mon Aug 9 19:36:00 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16612 * tree.h (lang_identify): Constify a char*.
16613 (print_error_function): Add extern prototype. Constify a char*.
16615 * c-lang.c (lang_identify): Constify a char*.
16617 * objc/objc-act.c (lang_identify): Constify a char*.
16619 Mon Aug 9 16:21:53 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16621 * genpeep.c (main): Make generated file include "function.h".
16622 * arm.c (function_really_clobbers_lr): Delete INLINE_HEADER case.
16624 Mon Aug 9 10:08:50 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16626 * Makefile.in: Update dependencies.
16627 * alias.c: Include "function.h"
16628 * c-decl.c: Likewise.
16629 * caller-save.c: Likewise.
16630 * calls.c: Likewise.
16631 * combine.c: Likewise.
16633 * explow.c: Likewise.
16634 * final.c: Likewise.
16635 * global.c: Likewise.
16636 * graph.c: Likewise.
16637 * local-alloc.c: Likewise.
16638 * loop.c: Likewise.
16639 * optabs.c: Likewise.
16640 * profile.c: Likewise.
16641 * recog.c: Likewise.
16642 * regclass.c: Likewise.
16643 * regmove.c: Likewise.
16644 * reload.c: Likewise.
16645 * reorg.c: Likewise.
16646 * resource.c: Likewise.
16647 * sched.c: Likewise.
16648 * stupid.c: Likewise.
16649 * config/1750a/1750a.c: Likewise.
16650 * config/a29k/a29k.c: Likewise.
16651 * config/arc/arc.c: Likewise.
16652 * config/arm/arm.c: Likewise.
16653 * config/arm/thumb.c: Likewise.
16654 * config/c4x/c4x.c: Likewise.
16655 * config/clipper/clipper.c: Likewise.
16656 * config/convex/convex.c: Likewise.
16657 * config/fx80/fx80.c: Likewise.
16658 * config/i860/i860.c: Likewise.
16659 * config/m68k/m68k.c: Likewise.
16660 * config/m88k/m88k.c: Likewise.
16661 * config/mips/mips.c: Likewise.
16662 * config/pdp11/pdp11.c: Likewise.
16663 * config/pyr/pyr.c: Likewise.
16664 * config/romp/romp.c: Likewise.
16665 * config/sh/sh.c: Likewise.
16666 * config/tahoe/tahoe.c: Likewise.
16667 * config/vax/vax.c: Likewise.
16668 * config/we32k/we32k.c: Likewise.
16669 * config/sparc/sparc.c: Include "function.h".
16670 (mem_min_alignment): Test current_function rather than
16671 regno_pointer_align.
16672 * config/pa/pa.c: Likewise.
16673 (compute_frame_size): Delete declaration of
16674 current_function_outgoing_args_size.
16675 * config/arc/arc.h (current_function_varargs): Delete declaration.
16676 * config/elxsi/elxsi.h (current_function_calls_alloca): Delete
16678 * config/i370/i370.h (current_function_outgoing_args_size): Delete
16680 * config/i386/i386.h (FINALIZE_PIC): Delete declaration of
16681 current_function_uses_pic_offset_table.
16682 * config/m68k/a-ux.h (FUNCTION_EXTRA_EPILOGUE): Delete declaration
16683 of current_function_returns_pointer.
16684 * config/m68k/altos3068.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
16685 * config/m68k/linux.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
16686 * config/m68k/m68kv4.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
16687 * config/m68k/mot3300.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
16688 * config/m68k/pbb.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
16689 * config/m68k/tower-as.h (FUNCTION_EXTRA_EPILOGUE): Likewise.
16690 * config/m88k/m88k.c: Include "function.h"
16691 (call_used_regs, current_function_pretend_args_size,
16692 current_function_outgoing_args_size, frame_pointer_needed): Delete
16694 * config/m88k/m88k.h (current_function_pretend_args_size): Delete
16696 * config/mips/mips.h (current_function_calls_alloca): Delete
16698 * config/mn10200/mn10200.h (current_function_needs_context,
16699 rtx_equal_function_value_matters): Delete declarations.
16700 * config/ns32k/ns32k (current_function_uses_pic_offset_table,
16701 flag_pic): Delete declarations.
16702 * config/pa/pa.h (current_function_pretend_args_size,
16703 current_function_decl): Delete declarations.
16704 * config/pa/som.h (current_function_varargs): Delete declaration.
16705 * config/pdp11/pdp11.h (current_function_pretend_args_size): Delete
16707 * config/pyr/pyr.h (current_function_pretend_args_size,
16708 current_function_args_size, current_function_calls_alloca): Delete
16710 * config/sh/sh.h (current_function_varargs): Delete declaration.
16711 * config/sparc/sparc.h (current_function_outgoing_args_size,
16712 current_function_calls_alloca, current_function_decl): Delete
16714 * config/spur/spur.h (current_function_pretend_args_size,
16715 current_function_calls_alloca): Delete declarations.
16716 * config/v850/v850.c (current_function_outgoing_args_size): Delete
16718 * config/vax/vms.h (current_function_name): Delete declaration.
16719 * gcse.c: Include "function.h".
16720 (current_function_name, current_function_calls_setjmp): Delete
16722 * haifa-sched.c: Include "function.h".
16723 (forced_labels): Delete declaration.
16724 * jump.c: Likewise.
16725 * reg-stack.c: Likewise.
16726 * reload1.c: Likewise.
16727 * genemit.c (main): Make generated file include function.h.
16728 * genoutput.c (output_prologue): Likewise.
16730 * builtins.c (saveregs_value, apply_args_value): Delete variables.
16731 * emit-rtl.c (reg_rtx_no, first_label_num, first_insn, last_insn,
16732 sequence_rtl_expr, cur_insn_uid, last_linenum, last_filename,
16733 regno_pointer_flag, regno_pointer_flag_length, regno_pointer_align,
16734 regno_reg_rtx, sequence_stack): Delete variables. Add accessor
16735 macros for some of them.
16736 (emit_filename, emit_lineno): Delete declarations.
16737 (gen_reg_rtx): Use memset/memcpy instead of bzero/bcopy. Access
16738 regno_pointer_* variables through current_function.
16739 (gen_inline_header_rtx): Delete function.
16740 (save_emit_status): Delete function.
16741 (set_new_last_label_num): New function.
16742 (clear_emit_caches): New function.
16743 (restore_emit_status): Just clear last_labelnum and call
16745 (get_last_insn_anywhere): Variable sequence_stack is now accessed
16746 through macro seq_stack.
16747 (add_insn_after): Likewise.
16748 (add_insn_before): Likewise.
16749 (remove_insn): Likewise.
16750 (pop_topmost_sequence): Likewise.
16751 (in_sequence_p): Likewise.
16752 (start_sequence_for_rtl_expr): Likewise.
16753 (start_sequence): Likewise, and likewise for
16754 sequence_rtl_expr/seq_rtl_expr.
16755 (push_topmost_sequence): Likewise.
16756 (end_sequence): Likewise.
16757 (init_virtual_regs): Now takes a "struct emit_status *" argument.
16758 All callers changed. Store into that pointer instead of globals.
16759 (init_emit): Allocate emit elt of current_function.
16760 Changes for sequence_rtl_expr/sequence_stack renaming.
16761 Call clear_emit_caches instead of doing it in-line.
16762 Access regno_pointer_* variables through current_function.
16763 (init_emit_once) Don't clear sequence_stack.
16765 * expr.c (pending_stack_adjust, inhibit_defer_pop, pending_chain):
16767 (arg_pointer_save_area): Delete declaration.
16768 (finish_expr_for_function): Renamed from init_queue; no longer static.
16769 (init_expr): Don't call init_queue.
16770 (save_expr_status, restore_expr_status): Delete functions.
16771 (expand_expr): Changes to reflect new layout of struct function.
16772 Don't access current_function_check_memory_usage when current_function
16774 * expr.h (forced_labels, save_expr_regs, saveregs_value,
16775 apply_args_value, current_function_calls_alloca, inhibit_defer_pop,
16776 current_function_outgoing_args_size, current_function_arg_offset_rtx,
16777 current_function_uses_const_pool, function_call_count,
16778 current_function_uses_pic_offset_table, nonlocal_labels,
16779 current_function_internal_arg_pointer, nonlocal_goto_stack_level,
16780 current_function_check_memory_usage, nonlocal_goto_handler_slots,
16781 pending_stack_adjust, target_temp_slot_level, temp_slot_level): Delete
16783 (finish_expr_for_function): Declare.
16784 * flags.h (current_function_has_nonlocal_label,
16785 current_function_has_nonlocal_goto, current_function_is_thunk,
16786 current_function_has_computed_jump): Delete declarations.
16787 * flow.c (forced_labels): Delete declaration.
16788 * function.c (current_function_pops_args,
16789 current_function_returns_struct, current_function_returns_pcc_struct,
16790 current_function_needs_context, current_function_calls_setjmp,
16791 current_function_calls_longjmp, current_function_has_nonlocal_label,
16792 current_function_has_nonlocal_goto, current_function_is_thunk,
16793 current_function_has_computed_jump, current_function_calls_alloca,
16794 current_function_contains_functions, current_function_returns_pointer,
16795 current_function_epilogue_delay_list, current_function_args_size,
16796 current_function_pretend_args_size, current_function_arg_offset_rtx,
16797 current_function_outgoing_args_size, current_function_varargs,
16798 current_function_stdarg, current_function_args_info, cleanup_label,
16799 current_function_name, current_function_uses_const_pool,
16800 current_function_instrument_entry_exit, current_function_return_rtx,
16801 current_function_uses_pic_offset_table, nonlocal_labels,
16802 current_function_internal_arg_pointer, current_function_cannot_inline,
16803 current_function_check_memory_usage, function_call_count,
16804 nonlocal_goto_handler_slots, nonlocal_goto_handler_labels,
16805 nonlocal_goto_stack_level, return_label, save_expr_regs,
16806 stack_slot_list, rtl_expr_chain, tail_recursion_label, temp_slots,
16807 tail_recursion_reentry, arg_pointer_save_area, frame_offset,
16808 context_display, trampoline_list, parm_birth_insn, invalid_stack_slot,
16809 last_parm_insn, max_parm_reg, parm_reg_stack_loc, sequence_rtl_expr,
16810 temp_slot_level, var_temp_slot_level, target_temp_slot_level):
16812 (push_function_context_to): Don't save them. Don't call
16813 save_storage_status, save_emit_status or save_expr_status.
16814 (pop_function_context_from): Don't restore them. Don't call
16815 restore_storage_status or restore_expr_status.
16816 (get_func_frame_size): New function.
16817 (get_frame_size): Use it.
16818 (assign_outer_stack_local): Reflect some member name changes in struct
16820 (put_reg_into_stack): Likewise.
16821 (assign_stack_temp_for_type): sequence_rtl_expr was renamed to
16823 (fixup_var_refs): Likewise.
16824 (fix_lexical_addr): Likewise.
16825 (trampoline_address): Likewise.
16826 (prepare_function_start): Clear field inlinable of current_function.
16827 (init_function_for_compilation): New function.
16828 (expand_dummy_function_end): New function.
16829 (expand_function_end): Call finish_expr_for_function.
16830 * function.h (struct emit_status): New; fields moved here from struct
16831 function and from global variables. Add accessor macros for some of
16833 (struct expr_status): Likewise.
16834 (REGNO_POINTER_ALIGN, REGNO_POINTER_FLAG): Moved here from regs.h.
16835 (struct function): Add fields expr and emit, inlinable, inl_emit,
16836 original_arg_vector, original_decl_initial, inl_last_parm_insn,
16837 inl_max_label_num. Add many comments.
16838 Add accessor macros for all elts of struct function that no longer
16839 have a global variable.
16840 (cleanup_label, return_label, frame_offset, tail_recursion_label,
16841 tail_recursion_reentry, arg_pointer_save_area, rtl_expr_chain,
16842 stack_slot_list): Delete declarations.
16843 (get_func_frame_size): Declare.
16844 (save_expr_status, restore_expr_status, save_emit_status,
16845 save_storage_status, restore_storage_status): Delete declarations.
16846 (init_virtual_regs): Declare.
16847 * output.h (current_function_pops_args,
16848 current_function_returns_struct, current_function_returns_pcc_struct,
16849 current_function_needs_context, current_function_calls_setjmp,
16850 current_function_calls_longjmp, current_function_calls_alloca,
16851 current_function_has_nonlocal_label, current_function_varargs,
16852 current_function_has_computed_jump, current_function_returns_pointer,
16853 current_function_contains_functions, current_function_args_size,
16854 current_function_pretend_args_size, current_function_stdarg,
16855 current_function_outgoing_args_size, current_function_args_info,
16856 current_function_name, current_function_return_rtx,
16857 current_function_epilogue_delay_list,
16858 current_function_uses_const_pool, current_function_cannot_inline):
16859 Delete declarations.
16860 * regs.h (reg_rtx_no, regno_pointer_flag, regno_pointer_flag_length,
16861 regno_reg_rtx): Delete declaration.
16862 (REGNO_POINTER_FLAG): Delete macro.
16863 * stmt.c (expand_goto): Changes to reflect that some fields in struct
16864 function were renamed.
16865 * stor-layout.c (save_storage_status, restore_storage_status): Delete
16867 * toplev.c: Include "function.h".
16868 (current_function_decl): Delete declaration.
16869 (compile_file): Call init_dummy_function_start and
16870 expand_dummy_function_end around some initializations that need to
16872 (rest_of_compilation): Use DECL_SAVED_INSNS properly.
16873 Call init_function_for_compilation.
16874 * unroll.c: Include "function.h"
16875 (unroll_loop): Access regno_pointer_* variables through
16878 * tree.h (struct tree_decl): Add elt f to saved_insns member.
16879 (DECL_SAVED_INSNS): use it.
16880 (expand_dummy_function_end): Declare.
16881 (init_function_for_compilation): Declare.
16882 * calls.c (calls_function_1): Change use of DECL_SAVED_INSNS now
16883 that it's no longer an INLINE_HEADER.
16884 (expand_call): Likewise.
16885 * integrate.c (finish_inline): Delete function.
16886 (max_parm_reg, parm_reg_stack_loc): Delete declarations.
16887 (initialize_for_inline): Delete min_labelno, max_labelno and max_reg
16888 args. Don't generate an INLINE_HEADER rtx, just return the arg
16889 vector. All callers changed.
16890 (save_for_inline_copying): Create a duplicate struct emit_status to
16891 hold the emit state for compiling the current function. Use this and
16892 the other new fields in struct function that are for integration
16893 instead of an INLINE_HEADER.
16894 Use memcpy instead of bcopy.
16895 Store the current struct function in DECL_SAVED_INSNS of fndecl.
16896 (save_for_inline_nocopy): Similar changes, except no new emit_status
16898 (expand_inline_function): Get information from function structure,
16899 not from an inline header rtx.
16900 (output_inline_function): Lose code to extract the necessary
16901 information from an inline header; simply put back the function
16902 structure into current_function. Clear its inlinable elt.
16903 * rtl.def (INLINE_HEADER): Delete.
16904 * rtl.h: Delete all accessors for an INLINE_HEADER.
16905 (gen_inline_header_rtx): Delete declaration.
16906 (regno_reg_rtx, regno_pointer_align, nonlocal_goto_handler_labels):
16907 Delete declarations.
16908 (REGNO_POINTER_ALIGN): Delete.
16909 (clear_emit_caches): Declare.
16910 (set_new_last_label_num): Declare.
16912 Mon Aug 9 01:52:24 1999 Jason Merrill <jason@yorick.cygnus.com>
16914 * print-tree.c (print_node): Print base for OFFSET_TYPEs.
16916 * except.c (expand_eh_region_start_for_decl): Always start a new block.
16917 * stmt.c (is_eh_region): Make sure current_function is present, too.
16919 Mon Aug 9 01:15:24 1999 Jeffrey A Law (law@cygnus.com)
16921 * pa.h (HARD_REGNO_MODE_OK): Correctly handle FPregs, even when
16922 for 64bit PA targets.
16924 * pa.h (SELECT_SECTION): Define.
16925 * som.h (SELECT_SECTION): Delete.
16927 Sun Aug 8 15:13:20 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16929 * alias.c (init_alias_analysis): Wrap call to
16930 `prologue_epilogue_contains' within HAVE_prologue||HAVE_epilogue.
16932 1999-08-07 Bruce Korb <autogen@linuxbox.com>
16934 * fixinc/inclhack.def(irix_asm_apostrophe): IRIX 5.2's
16935 <sys/asm.h> contains an asm comment with an apostrophe
16936 * fixinc/inclhack.sh: regen
16937 * fixinc/fixincl.x: regen
16939 Sat Aug 7 19:37:07 1999 Richard Henderson <rth@cygnus.com>
16941 * function.c (init_function_start): Clear prologue & epilogue.
16942 (prologue_epilogue_contains): New function.
16943 * alias.c (init_alias_analysis): Use it.
16944 * rtl.h (prologue_epilogue_contains): Declare it.
16946 Sat Aug 7 19:32:16 1999 Richard Henderson <rth@cygnus.com>
16948 * jump.c (onlyjump_p): New function.
16949 * rtl.h: Declare it.
16950 * flow.c (delete_unreachable_blocks): Use onlyjump_p instead
16951 of condjump_p in calling tidy_fallthru_edge and merge_blocks.
16953 Sat Aug 7 17:09:36 1999 Richard Henderson <rth@cygnus.com>
16955 * global.c (build_insn_chain): Use EXECUTE_IF_SET_IN_REG_SET
16956 to invert loops. Simplify block scanning.
16958 Sat Aug 7 02:11:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
16960 * gcse.c (hash_scan_set): Treat SYMBOL_REFs like CONST_INTs.
16961 (cprop_insn): Treat SYMBOL_REFs like CONST_INTs.
16963 1999-08-07 Jonathan Larmour <jlarmour@cygnus.co.uk>
16965 * config/sparc/liteelf.h: New file to support sparclite-elf target
16966 * config/sparc/t-sp86x: New file to support sparc86x targets
16967 * config/sparc/sp86x-aout.h: New file to support sparc86x-aout target
16968 * config/sparc/sp86x-elf.h: New file to support sparc86x-elf target
16969 * configure.in: Support above target triplets
16970 * configure: Regenerated
16972 Sat Aug 7 01:39:27 1999 Philippe De Muyter <phdm@macqel.be>
16974 * fixinc/server.c (server_setup): Do not prefix function used as
16975 parameter with `&'.
16977 Sat Aug 7 00:21:20 1999 Richard Henderson <rth@cygnus.com>
16979 * alpha.md (movhi and movqi patterns): Correct predicate for !BWX.
16980 Remove fp reg alternatives.
16982 Sat Aug 7 00:06:54 1999 Jeffrey A Law (law@cygnus.com)
16984 * Makefile.in (TAROUTOPTS): Kill.
16985 (install-headers-tar): Use "xpf" for tar headerfile extraction
16986 * i370/x-oe (TAROUTOPTS): Delete.
16987 * m68k/x-apollo68 (TAROUTOPTS): Delete.
16988 * m68k/x-hp320 (TAROUTOPTS): Delete.
16989 * m68k/x-hp320g (TAROUTOPTS): Delete.
16990 * gcc.texi: Update bug reporting text.
16992 1999-08-6 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
16994 * reg-stack.c (change_stack) Fixed problem with negative array index.
16996 Fri Aug 6 23:08:44 1999 Jeffrey A Law (law@cygnus.com)
16998 * extend.texi, install.texi: Fix spelling mistakes.
17000 * Makefile.in (PREMADE_ATTRTAB_MD, PREMADE_ATTRTAB): Delete.
17001 (s-attrtab); No longer try to use pre-made insn-attrtab file.
17002 * mips/t-bsd: Delete references to obsolete PREMADE_ATTRTAB and
17003 PREMADE_ATTRTAB_MD.
17004 * mips/t-ecoff: Likewise.
17005 * mips/t-elf: Likewise.
17006 * mips/t-mips: Likewise.
17007 * mips/t-osfrose: Likewise.
17008 * mips/t-r3900: Likewise.
17009 * mips/t-svr3: Likewise.
17010 * mips/t-svr4: Likewise.
17011 * mips/t-ultrix: Likewise.
17013 * gcc.texi: Document recommend means to provide software floating
17014 point libraries in libgcc.a
17016 1999-08-06 Jason Merrill <jason@yorick.cygnus.com>
17018 * c-lex.c (yylex): We can have a number with no digits.
17020 Fri Aug 6 16:53:55 EDT 1999 John Wehle (john@feith.com)
17022 * jump.c (delete_prior_computation): New function, broken
17023 out of delete_computation. Check for side effects with
17024 side_effects_p instead of FIND_REG_INC_NOTE. Handle
17025 multi-word hard registers.
17026 (delete_computation): Use it. Check for side effects with
17027 side_effects_p instead of FIND_REG_INC_NOTE. Synthesize a
17028 missing REG_DEAD note for a register which is both set and
17031 Fri Aug 6 11:05:29 1999 Jeffrey A Law (law@cygnus.com)
17033 * elf.h (TEXT_SPACE_P, FUNCTION_NAME_P): Delete.
17034 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT): Likewise.
17035 (ASM_FILE_START): Import _mcount with the right type.
17036 (ASM_DECLARE_FUNCTION_NAME): Define.
17037 (ASM_OUTPUT_EXTERNAL, ASM_OUTPUT_EXTERNAL_LIBCALL): Define.
17038 * pa.c (output_function_prologue): Always emit the function's label
17040 * pa.h (TEXT_SPACE_P): Define.
17041 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
17042 (ASM_OUTPUT_INT, ASM_OUTPUT_DOUBLE_INT, ASM_GLOBALIZE_LABEL): Likewise.
17043 * som.h (TEXT_SPACE_P): Delete.
17044 (FUNCTION_NAME_P, ENCODE_SECTION_INFO, STRIP_NAME_ENCODING): Likewise.
17045 (ASM_GLOBALIZE_LABEL, ASM_OUTPUT_INT): Likewise.
17047 Thu Aug 5 19:29:39 1999 Jim Wilson <wilson@cygnus.com>
17049 * expr.c (emit_group_load): Allow src to be a CONCAT.
17051 Thu Aug 5 22:27:15 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17053 * config/sh/lib1funcs.asm (___movstrSI0): Change or r0,r0,r0 to nop.
17054 (___mulsi3): Use '!' comment character.
17056 Thu Aug 5 13:34:14 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17058 * reload1.c (maybe_fix_stack_asms): Also declare P as "const char *".
17060 Thu Aug 5 02:40:42 1999 Jeffrey A Law (law@cygnus.com)
17062 * gcc.c: Update URLs and mail addresses.
17063 * gcc.texi: Likewise.
17065 Thu Aug 5 01:14:13 1999 Daniel Jacobowitz <drow@false.org>
17067 * rs6000.c (current_file_function_operand): Return zero for
17069 (rs6000_encode_section_info): Do not set SYMBOL_REF_FLAG for
17071 * rs6000.h (ENCODE_SECTION_NIFO): Do not set SYMBOL_REF_FLAG
17074 Thu Aug 5 00:56:30 1999 Geoffrey Keating <geoffk@cygnus.com>
17076 * rs6000.c (rs6000_stack_info): For ABI_V4/ABI_SOLARIS -fpic, always
17077 allocate space in the stack frame for the PIC register.
17079 Thu Aug 5 00:20:47 1999 Jeffrey A Law (law@cygnus.com)
17081 * m68k.md (xordi3, anddi3): These patterns are not available on
17084 Wed Aug 4 23:39:20 1999 Mark Mitchell <mark@codesourcery.com>
17086 * real.c (GET_REAL): Don't violate ANSI/ISO aliasing rules.
17087 (PUT_REAL): Likewise.
17089 Wed Aug 4 20:45:04 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17091 * final.c (shorten_branches): Don't add an alignment for loops
17092 that have no label inside.
17094 Wed Aug 4 16:39:24 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17096 * builtins.c (expand_builtin_memcmp, expand_builtin_strcmp): Wrap
17097 prototypes in macro HAVE_cmpstrsi.
17099 * cpplib.c (cpp_get_token): Remove unused label `op3'.
17101 * emit-rtl.c (operand_subword): Remove unused variable
17104 * rtl.c (shallow_copy_rtx): Remove unused variable `format_ptr'.
17106 * tree.c (chainon): Wrap variable `t2' in macro ENABLE_CHECKING.
17108 Wed Aug 4 13:29:23 1999 Zack Weinberg <zack@bitmover.com>
17110 * cpphash.c (macroexpand): Delete leading whitespace when arg
17111 is concatenated before.
17112 (unsafe_chars): Correct test for whether + and - can extend a
17115 * cppinit.c (cpp_start_read): Do dependencies for
17116 -include/-imacros files also.
17118 * cpplib.c (cpp_scan_buffer): In no-output mode, don't bother
17119 tokenizing non-directive lines.
17120 (cpp_expand_to_buffer): Temporarily disable no-output mode.
17121 * cppmain.c: In no-output mode, just call cpp_scan_buffer for
17124 Wed Aug 4 12:53:44 1999 Jason Merrill <jason@yorick.cygnus.com>
17126 * expr.c (expand_expr, case PLUS_EXPR): Fix parallel case, too.
17128 * c-lex.c: Sync with C++ frontend.
17129 (linemode): New variable.
17130 (parse_float): imag, conversion_errno, and type are output only.
17131 (yylex): Adjust. Move initial '.' case into main switch.
17133 (handle_generic_pragma): Just deal with tokens.
17134 (readescape): Use ISXDIGIT and ISGRAPH.
17135 * c-parse.in: Add END_OF_LINE token.
17137 * c-lex.c (lang_init): Generalize.
17138 (nextchar): Remove. Replace uses with UNGETC.
17139 (skip_white_space): Handle linemode here. Optimize for cpplib.
17140 (skip_white_space_on_line): Remove.
17141 (extend_token_buffer_to): New fn.
17142 (extend_token_buffer): Use it.
17143 (read_line_number, check_newline): Just deal with tokens.
17144 (token_getch, token_put_back): New fns.
17145 (yylex): Use them. More cpplib optimizations. Simplify.
17147 Wed Aug 4 12:53:44 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
17148 Jason Merrill <jason@yorick.cygnus.com>
17150 * c-lex.c (init_parse): Set cpp_token to CPP_DIRECTIVE.
17151 (consume_string): Make this smart about USE_CPPLIB.
17152 (check_newline): Rewrite to be intelligent about USE_CPPLIB.
17153 (yylex): Rewrite to be intelligent about USE_CPPLIB.
17154 Also, clean up cases where we redundantly set token_buffer[0].
17155 (read_line_number): New fn.
17156 (ignore_escape_flag): New variable.
17158 Wed Aug 4 13:12:17 1999 Jeffrey A Law (law@cygnus.com)
17160 * a29k/t-a29kbare: Fix some comments.
17161 (LIB2FUNCS_EXTRA): Remove fp-bit.c and dp-bit.c
17162 (FPBIT, DPBIT): Define.
17163 * a29k/t-vx29k: Likewise.
17164 * arc/t-arc: Likewise.
17165 * arm/t-arm-elf: Likewise.
17166 * arm/t-bare: Likewise.
17167 * arm/t-pe: Likewise.
17168 * arm/t-pe-thumb: Likewise.
17169 * arm/t-semi: Likewise.
17170 * arm/t-thumb: Likewise.
17171 * arm/t-thumb-elf: Likewise.
17172 * arm/t-thumb-linux: Likewise.
17173 * h8300/t-h8300: Likewise.
17174 * i960/t-i960: Likewise.
17175 * i960/t-vxworks960: Likewise.
17176 * m32r/t-m32r: Likewise.
17177 * mips/t-ecoff: Likewise.
17178 * mips/t-elf: Likewise.
17179 * mips/t-r3900: Likewise.
17180 * pa/t-pro: Likewise.
17181 * rs6000/t-aix43: Likewise.
17182 * rs6000/t-beos: Likewise.
17183 * rs6000/t-newas: Likewise.
17184 * rs6000/t-ppccomm: Likewise.
17185 * rs6000/t-rs6000: Likewise.
17186 * rs6000/t-winnt: Likewise.
17187 * rs6000/t-xnewas: Likewise.
17188 * rs6000/t-xrs6000: Likewise.
17189 * sh/t-sh: Likewise.
17190 * sparc/t-elf: Likewise.
17191 * sparc/t-sparcbare: Likewise.
17192 * sparc/t-sparclite: Likewise.
17193 * sparc/t-splet: Likewise.
17194 * v850/t-v850: Likewise.
17195 * mn10200/t-mn10200: Fix comments.
17196 * mn10300/t-mn10300: Likewise.
17198 * pa.md (divsi3, udivsi3, modsi3, umodsi3 expanders): Clobber a new
17199 dummy operand. Allocate a new pseudo for the dummy operand.
17200 (divsi3, udivsi3, modis3, umodsi3 patterns): Corresponding changes.
17202 * pa.md (movqi, movhi patterns): Do not expose FP regs to regclass.
17204 Wed Aug 4 11:53:55 1999 Tom Tromey <tromey@cygnus.com>
17206 * configure: Rebuilt.
17207 * configure.in: Removed --enable-java-gc option and JAVAGC subst.
17209 Wed Aug 4 09:06:14 1999 Richard Earnshaw (rearnsha@arm.com)
17211 * recog.c (preproces_constraints): Zero recog_op_alt before
17212 processing the constraints.
17214 * arm.c (typedef minipool_node): Renamed from pool_node.
17215 (minipool_vector, minipool_size, minipool_vector_label): Similarly.
17216 (add_minipool_constant): New function.
17217 (dump_minipool): New function.
17218 (find_barrier): Remove special case for getting the insn size of
17219 an insn that references the constant pool.
17220 (minipool_fixup): New structure.
17221 (push_minipool_barrier): New function.
17222 (push_minipool_fix): New function.
17223 (note_invalid_constants): New function.
17224 (add_pool_constant, dump_table, fixit, broken_move): Delete.
17225 (arm_reorg): Rewrite code to fix up the constant pool into a
17226 series of mini-pools embedded in the insn stream.
17227 (arm_output_epilogue): New function, made mainly from the body
17228 of output_func_epilogue.
17229 (output_func_epilogue): Move insn generation part of epilogue code
17230 to arm_output_epilogue.
17231 * arm.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY): Delete.
17232 * arm.md (pool_range): New attribute.
17233 (zero_extendqidi2): Add attribute pool_range.
17234 (zero_extend_hisi_insn, load_extendqisi, extendhisi_insn,
17235 extendqihi_insn, extendqisi_insn, movdi, movsi_insn, pic_load_addr,
17236 pic_load_addr_based_insn, movhi_insn_arch4, movhi_insn_littleend,
17237 movhi_insn_bigend, loadhi_si_bigend, movsf_hard_insn, movsf_soft_insn,
17238 movdf_hard_insn, movdf_soft_insn, movxf_hard_insn): Likewise.
17239 (epilogue): New expand.
17240 (epilogue_insn): New insn. Call arm_output_epilogue.
17242 * arm.c (arm_poke_function_name): Undo change of July 17. Tidy up.
17243 * arm.h (TARGET_SWITCHES): Add missing doc string for TARGET_DEFAULT.
17245 Mon Aug 2 19:18:44 1999 Jason Merrill <jason@yorick.cygnus.com>
17247 * linux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
17249 1999-08-04 Mark Elbrecht <snowball3@bigfoot.com>
17251 * config/i386/djgpp.h (BSS_SECTION_ASM_OP): Define.
17253 Wed Aug 4 02:15:32 1999 Richard Henderson <rth@cygnus.com>
17255 * jump.c (delete_insn): Delete the addr_vec when deleting a tablejump.
17257 Wed Aug 4 01:48:08 1999 Jim Kingdon <http://developer.redhat.com>
17259 * global.c: Fix comment.
17261 Wed Aug 4 01:43:01 1999 Ian Lance Taylor <ian@zembu.com>
17263 * gcc.c (access_check): New static function.
17264 (find_a_file): Use it when searching a directory list.
17265 * collect2.c (find_a_file): Don't accept directories found when
17266 searching a directory list.
17268 Wed Aug 4 01:40:43 1999 Philippe De Muyter <phdm@macqel.be>
17270 * tlink.c (symbol_hash_lookup): Do not prefix functions used as
17271 function parameters with `&'.
17272 (file_hash_lookup, demangled_hash_lookup, tlink_init): Ditto.
17274 Wed Aug 4 01:08:44 1999 Jeffrey A Law (law@cygnus.com)
17276 * flow.c (delete_unreachable_blocks): Do not call merge_blocks
17277 or tidy_fallthru_edge if the last insn in the block is not
17278 an unconditional jump or a simple conditional jump.
17280 Tue Aug 3 20:21:20 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17282 * Makefile.in (c-decl.o): Depends on defaults.h.
17284 Tue Aug 3 14:14:52 1999 Jeffrey A Law (law@cygnus.com)
17286 * pa.h (HARD_REGNO_NREGS): FP registers are always 4 bytes wide for
17288 (CLASS_MAX_NREGS): Likewise.
17290 Tue Aug 3 03:51:20 1999 Jeffrey A Law (law@cygnus.com)
17292 * cse.c (cse_insn): Fix dumb thinko in last change.
17294 Tue Aug 3 10:36:13 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17296 * reload1.c (maybe_fix_stack_asms): Declare CONSTRAINTS as
17299 Mon Aug 2 23:45:45 1999 Hans-Peter Nilsson <hp@bitrange.com>
17301 * dwarf2out.c (add_location_or_const_value_attribute): Correct
17302 test for sizes of passed and declared parameter types.
17304 Tue Aug 3 00:03:41 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
17306 * fixincludes: Fix the return type of bsearch, char* -> void*.
17308 * fixinc/inclhack.def: Likewise.
17310 Mon Aug 2 18:29:32 1999 Mark Mitchell <mark@codesourcery.com>
17312 * invoke.texi (-fdump-translation-unit): New option.
17314 Mon Aug 2 17:54:19 1999 Richard Henderson <rth@cygnus.com>
17316 * expr.h (PROMOTE_PROTOTYPES): Move ...
17317 * defaults.h: ... to here.
17318 * c-decl.c: Include defaults.h instead of expr.h.
17319 * c-typeck.c: Include defaults.h.
17321 Mon Aug 2 17:10:24 1999 Mark Mitchell <mark@codesourcery.com>
17323 * toplev.h (errorcount): Declare.
17324 (warningcount): Likewise.
17325 (sorrycount): Likewise.
17326 * c-lex.c (errorcount): Don't declare.
17327 * dwarf2out.c (errorcount): Don't declare.
17329 Mon Aug 2 17:02:08 1999 Jason Merrill <jason@yorick.cygnus.com>
17331 * config/libgloss.h: Add a note discouraging use with ELF.
17332 * configure.in: Don't use libgloss.h for ELF targets.
17333 Always use_collect2 on a.out targets.
17335 Mon Aug 2 16:27:42 1999 Jim Wilson <wilson@cygnus.com>
17337 * combine.c (force_to_mode, case LSHIFTRT): Add goto shiftrt.
17338 (force_to_mode, case ASHIFTRT): Add shiftrt label.
17340 Tue Aug 3 00:45:02 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17342 * loop.c (strength_reduce): When doing biv->giv conversion, update
17343 reg note of NEXT->insn.
17345 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
17347 * real.c (PUT_REAL): Clear unused bytes if long double is IEEE quad.
17349 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
17351 * c-decl.c (get_parm_info, store_parm_decls): Change all uses of
17352 PROMOTE_PROTOTYPES, so that it tests it as a C expression.
17353 Ensure expr.h is included.
17354 * c-typecheck.c (convert_arguments): Ditto.
17356 * expr.h: Supply default for PROMOTE_PROTOTYPES (0).
17358 * config/arc/arc.h: Define PROMOTE_PROTOTYPES to 1.
17359 * config/convex/convex.h: Ditto.
17360 * config/dsp16xx/dsp16xx.h: Ditto.
17361 * config/fx80/fx80.h: Ditto.
17362 * config/gmicro/gmicro.h: Ditto.
17363 * config/i370/i370.h: Ditto.
17364 * config/i386/i386.h: Ditto.
17365 * config/m32r/m32r.h: Ditto.
17366 * config/m68k/m68k.h: Ditto.
17367 * config/m88k/m88k.h: Ditto.
17368 * config/mips/mips.h: Ditto.
17369 * config/pa/pa.h: Ditto.
17370 * config/pyr/pyr.h: Ditto.
17371 * config/tahoe/tahoe.h: Ditto.
17372 * config/we32k/we32k.h: Ditto.
17374 * config/sparc/sparc.h: Define PROMOTE_PROTOTYPES
17375 based on arch size.
17377 * config/i1750a/i1750a.h: Define PROMOTE_PROTOTYPES to 0.
17379 * config/i860/paragon.h: Remove PROMOTE_PROTOTYPES
17382 * tm.texi: Document new usage of PROMOTE_PROTOTYPES.
17384 1999-08-02 Richard Henderson <rth@cygnus.com>
17386 * m32r.c (m32r_setup_incoming_varargs): Use get_varargs_alias_set
17387 for the register spill block.
17388 (m32r_va_arg): New.
17389 * m32r.h (EXPAND_BUILTIN_VA_ARG): New.
17390 (EXPAND_BUILTIN_SAVEREGS): Delete #if 0 code.
17392 * m32r.h (INT8_P): Don't short-cut test with (unsigned).
17393 (INT16_P, CMP_INT16_P, UINT16_P): Likewise.
17394 (UPPER16_P, UINT24_P, INT32_P, UINT5_P): Likewise.
17396 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
17398 * config/sparc/linux.h: Define WCHAR_TYPE as "int" and undef
17399 MAX_WCHAR_TYPE defined in sparc.h.
17400 * config/sparc/linuxaout.h: Likewise.
17401 * config/sparc/linux64.h: Likewise.
17402 Also default to -mvis if CPU is UltraSPARC.
17404 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
17406 * config/sparc/sparc.h (ASM_DECLARE_REGISTER_GLOBAL): New macro.
17407 (RTX_OK_FOR_OLO10): Likewise.
17408 (GO_IF_LEGITIMATE_ADDRESS): If assembler supports offsetable
17409 %lo(), allow it in addresses...
17410 (PRINT_OPERAND_ADDRESS): ... and print it appropriately.
17411 * config/sparc/sparc.md (sethi_di_medlow_embmedany_pic): sethi %lo()
17412 does not make sense.
17413 * config/sparc/sparc.c (sparc_hard_reg_printed): New array.
17414 (sparc_output_scratch_registers): New function.
17415 (output_function_prologue, sparc_flat_output_function_prologue): Use
17417 * varasm.c (make_decl_rtl): Use ASM_DECLARE_REGISTER_GLOBAL if
17419 * tm.texi (ASM_DECLARE_REGISTER_GLOBAL): Document it.
17420 * configure.in: Add check for .register pseudo-op support in as and
17421 check for offsetable %lo().
17422 * acconfig.h: Add templates for the above checks.
17423 * configure: Regenerate.
17425 1999-08-02 Richard Henderson <rth@cygnus.com>
17427 * sparc/linux64.h (TARGET_DEFAULT): Remove MASK_APP_REGS.
17428 * sparc/sol2-sld-64.h (TARGET_DEFAULT): Likewise.
17429 * sparc/sol2.h (TARGET_DEFAULT): Likewise.
17431 Mon Aug 2 23:46:45 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
17433 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
17436 1999-08-02 Jakub Jelinek <jj@ultra.linux.cz>
17438 * config/float-sparc.h: New file.
17439 * configure.in: Use float_format=sparc for sparc-*-linux-gnulibc1,
17440 sparc-*-linux-gnu and sparc64-*-linux*.
17442 1999-08-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17444 * rs6000.c (rs6000_va_list): Type is an array.
17445 (rs6000_va_start): Don't doubly adjust for varargs.
17446 (rs6000_va_arg): Evaluate long long GPR adjustment.
17448 Mon Aug 2 16:15:57 1999 David Edelsohn <edelsohn@gnu.org>
17450 * rs6000/aix43.h (SUBTARGET_SWITCHES): Use -m64 and -m32 instead of
17451 -maix64 and -maix32.
17452 (ASM_SPEC, ASM_CPU_SPEC, CPP_SPEC, CPP_CPU_SPEC, LIB_SPEC,
17453 LINK_SPEC): Change appropriately.
17454 * rs6000/rs6000.c (short_cint_operand): Use CONST_OK_FOR_LETTER_P.
17455 (u_short_cint_operand): Likewise.
17456 * rs6000/rs6000.md (movdi splitters): Add TARGET_POWERPC64 support
17458 * rs6000/t-aix43 (MULTILIB): Change to -m64.
17460 * invoke.texi (RS/6000 Submodel): Document 64-bit processor options.
17462 Mon Aug 2 16:15:57 1999 Geoff Keating <geoffk@cygnus.com>
17464 * rs6000/rs6000.c (num_insns_constant_wide): Correct
17465 for type promotion.
17466 (add_operand): Get test correct for 64-bit HOST_WIDE_INT.
17467 (non_add_cint_operand): Likewise.
17468 (logical_operand): Likewise.
17469 (non_logical_cint_operand): Likewise.
17470 (print_operand): Correct printf()s for 64-bit HOST_WIDE_INT.
17471 (print_operand_address): Correct printf() for 64-bit HOST_WIDE_INT.
17472 (rs6000_select_rtx_section): Suppress warning.
17473 (small_data_operand): Suppress warning.
17474 (rs6000_got_register): Suppress warning.
17475 * rs6000/rs6000.md (andsi3): HOST_WIDE_INT is a signed
17476 type, so `J' is generally the wrong constraint for a SImode value;
17478 (andsi3_internal2): Likewise.
17479 (andsi3_internal3): Likewise.
17480 (iorsi3_internal1): Likewise.
17481 (xorsi3_internal1): Likewise.
17483 (movsf_softfloat): Likewise.
17484 (scc insns): Likewise.
17485 (movsi+2): Preserve sign bits of SImode constant.
17486 (floatsidf2_internal+1): Sign-extend SImode constant correctly.
17487 (movdf+1): Sign-extend properly.
17488 (movdi_32+1): Sign-extend properly.
17489 (scc insns): Sign-extend properly.
17491 * md.texi (RS/6000 EXTRA_CONSTRAINTS): Update documentation for J,
17494 1999-08-02 Richard Henderson <rth@cygnus.com>
17496 * alpha.c (override_options): Move ev6 alpha_tp frobbing out of
17497 -mcpu parsing code.
17498 (print_operand): Notice alpha_fptm not alpha_tp for sw completion.
17499 * alpha.md (all fp insns): Likewise.
17501 1999-08-02 Nick Clifton <nickc@cygnus.com>
17503 * config/v850/v850.h (STRICT_ALIGNMENT): Only define if not
17506 Mon Aug 2 03:38:33 1999 Jeffrey A Law (law@cygnus.com)
17508 * pa.c (legitimize_pic_address): Clarify comments. Do not call the
17509 pic_load_label generator directly.
17510 * pa.md (pic_load_label): Clarify comments. Remove modes on operands.
17511 No longer a named pattern.
17513 Mon Aug 2 09:38:10 1999 Nick Clifton <nickc@cygnus.com>
17515 * explow.c (force_reg): Call force_operand if X does not
17516 satisfy general_operand.
17518 Mon Aug 2 01:34:22 1999 Jeffrey A Law (law@cygnus.com)
17520 * fix-header.c (main): When testing for CONTINUED, use string
17521 equality, not pointer equality.
17523 Mon Aug 2 01:27:24 1999 Dan Nicolaescu <dann@ics.uci.edu>
17525 * sparc.c (sparc_block_profiler): Use the %g2 register, not %o0.
17527 Sun Aug 1 22:46:42 1999 Jeffrey A Law (law@cygnus.com)
17529 * cse.c (cse_insn): Fix loop which deletes insns after a jump
17530 that has become an unconditional jump.
17532 * m68k.c (output_function_prologue): Fix typo in CPU32 case.
17533 (output_function_epilogue): Similarly.
17535 Sun Aug 1 20:14:00 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17537 * tree.h (init_dummy_function_start): Declare.
17539 Sun Aug 1 12:55:31 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17541 * stmt.c (emit_filename, emit_lineno, expr_stmts_for_value,
17542 last_expr_type, last_expr_value, block_start_count, block_stack,
17543 stack_block_stack, cond_stack, loop_stack, case_stack, nesting_stack,
17544 nesting_depth, goto_fixup_chain): Delete global vars; now allocated
17545 dynamically in stmt elt of struct function for each function.
17546 (struct nesting): Rename function_call_count elt to n_function_calls,
17547 target_temp_slot_level to block_target_temp_slot_level. All users
17549 (struct stmt_status): New structure definition.
17550 Add many accessor macros for stmt_status elements which previously
17551 were global variables.
17552 (init_stmt_for_function): Allocate stmt elt for current_function.
17553 Reflect that block_start_count was renamed to
17554 current_block_start_count.
17555 (save_stmt_status, restore_stmt_status): Delete functions.
17556 (preserve_subexpressions_p): Don't access loop_stack when outside
17558 (expand_start_bindings): Reflect that block_start_count was renamed to
17559 current_block_start_count.
17560 (expand_fixup): Likewise.
17561 (expand_decl): Don't access block_stack when outside a function.
17562 (expand_decl_cleanup): Likewise.
17563 (expand_dcc_cleanup): Likewise.
17564 (expand_dhc_cleanup): Likewise.
17565 (expand_anon_union_decl): Likewise.
17566 (set_file_and_line_for_stmt): New function.
17567 (in_control_zone_p): New function.
17569 * function.h (struct function): Add new elt stmt.
17570 Delete elts block_stack, stack_block_stack, cond_stack, loop_stack,
17571 case_stack, nesting_stack, nesting_depth, block_start_count,
17572 last_expr_type, last_expr_value, expr_stmts_for_value, emit_filename,
17573 emit_lineno, goto_fixup_chain.
17574 (save_eh_status, restore_eh_status, save_stmt_status,
17575 restore_stmt_status): Delete declarations.
17576 * function.c (push_function_context_to): Don't call save_stmt_status.
17577 (pop_function_context_to): Don't call restore_stmt_status.
17578 * tree.h (in_control_zone_p): Declare.
17579 * rtl.h (set_file_and_line_for_stmt): Declare.
17581 * emit-rtl.c (emit_line_note): Don't set emit_filename/emit_lineno;
17582 call set_file_and_line_for_stmt.
17584 Thu Jul 31 12:34:45 1999 Joe Buck <jbuck@synopsys.com>
17586 * gcc.texi: Use terms "GNU Compiler Collection" and "GCC".
17587 Also update copyright.
17589 Sat Jul 31 11:10:07 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17591 * c-pragma.c: Don't include "except.h".
17592 * emit-rtl.c: Likewise.
17593 * stor-layout.c: Likewise.
17594 * tree.c: Likewise.
17595 * varasm.c: Likewise.
17597 * flow.c: Include "function.h".
17598 * tree.h (init_dummy_function_start): Declare new function.
17600 * except.h (struct eh_status): New structure.
17601 (struct label_node, struct eh_entry): Declare even if tree.h hasn't
17603 (eh_return_stub_label, ehstack, catchstack, ehqueue,
17604 catch_clauses, false_label_stack, caught_return_label_stack,
17605 protect_list, current_function_ehc): Add accessor macros for the
17606 corresponding fields in current_function->eh; delete declarations
17607 for all items that used to be declared here.
17608 * except.c (eh_return_stub_label, ehstack, catchstack, ehqueue,
17609 catch_clauses, false_label_stack, caught_return_label_stack,
17610 protect_list, current_function_ehc): Delete variables.
17611 (init_eh_for_function): Allocate current_function->eh.
17612 (save_eh_status, restore_eh_status): Delete functions.
17614 * function.h (struct function): Add fields next_global and eh.
17615 Delete all exception handling related fields.
17616 * function.c (current_function): New variable.
17617 (all_functions): New variable.
17618 (push_function_context_to): Don't allocate a struct function,
17619 use current_function instead. Call init_dummy_function_start when
17620 outside a function. Clear current_function before returning.
17621 (pop_function_context_from): Restore current_function.
17622 Don't free the restored struct function.
17623 (prepare_function_start): New function.
17624 (init_dummy_function_start): New function.
17625 (init_function_start): Break out some code into prepare_function_start
17628 * stmt.c (save_stmt_status): Don't call save_eh_status.
17629 (restore_stmt_status): Don't call restore_eh_status.
17631 * Makefile.in: Update dependencies.
17633 Sat Jul 31 04:10:01 1999 Jeffrey A Law (law@cygnus.com)
17635 * pa.c (compute_frame_size): Use STARTINg_FRAME_OFFSET instead
17636 of depending on a magic constant value. Update comments.
17637 (hppa_expand_prologue): Similarly.
17639 * pa.md (reload_indi, reload_outdi): Allow any register for the
17640 original reload register.
17642 Fri Jul 30 19:41:35 1999 Jim Wilson <wilson@cygnus.com>
17644 * cccp.c (print_help): Change marcos to macros.
17646 1999-07-30 Richard Henderson <rth@cygnus.com>
17648 * c-typeck.c (initializer_constant_valid_p): Move ...
17649 * c-common.c (initializer_constant_valid_p): ... here. Use
17650 FOO_TYPE_P instead of tests against TREE_CODE. Allow subtraction
17651 of label addresses.
17652 * c-common.h (initializer_constant_valid_p): Declare.
17653 * c-tree.h (initializer_constant_valid_p): Remove.
17655 Fri Jul 30 16:33:42 1999 Mathias Froehlich <frohlich@na.uni-tuebingen.de>
17657 * config/i386/sol2-c1.asm: Align the stack.
17658 * config/i386/sol2-gc1.asm: Likewise.
17660 1999-07-30 Vladimir Makarov <vmakarov@loony.cygnus.com>
17662 * config/sparc/sparc.h (ASM_CPU32_DEFAULT_SPEC): Change -Av8 onto
17663 -Asparclite for sparc86x.
17664 (CPP_CPU32_DEFAULT_SPEC, CPP_CPU_SPEC): Remove -D__sparc_v8__ for
17666 (ASM_CPU_SPEC): Use -Asparclite for sparc86x.
17668 Fri Jul 30 14:53:56 1999 Jakub Jelinek <jj@ultra.linux.cz>
17670 * config/sparc/linux64.h (CC1_SPEC): Preserve CPU specified by
17671 the user if using the non-default arch size in BI_ARCH configuration.
17672 * config/sparc/sol2-sld-64.h (CC1_SPEC): Ditto.
17674 * config/sparc/sparc.md (cmp_mul_set, cmp_udiv_cc_set):
17675 Fix patterns so that they actually match.
17676 (cmp_sdiv_cc_set): Ditto, also don't require g0 to be zero.
17677 (mulsidi3_sp64, const_mulsidi3_sp64): New patterns.
17678 (const_mulsidi3_sp32): Renamed from const_mulsidi3, only on
17680 (mulsidi3): Reflect this in the expand.
17681 (smulsi3_highpart): Only on TARGET_ARCH32.
17682 (umulsidi3_sp64, const_umulsidi3_sp64): New patterns.
17683 (const_umulsidi3_sp32): Renamed from const_umulsidi3.
17684 (umulsidi3): Reflect this in the expand.
17685 (umulsi3_highpart): Only on TARGET_ARCH32.
17686 (divsi3_sp32): Renamed from divsi3, only on TARGET_ARCH32,
17687 don't require g0 to be zero.
17688 (udivsi3_sp32): Renamed from udivsi3, only on TARGET_ARCH32.
17689 ({,u}divsi3): New expands.
17690 ({,u}divsi3_sp64): New patterns.
17691 (after lshrdi3_v8plus): Four new patterns to help combiner
17692 optimizing nested mixed mode shifts.
17694 * config/sparc/sparc.c (sparc_override_options): Use deprecated
17695 v8 instructions if optimizing for UltraSPARC I, II, IIi, as it
17696 speed things up. Don't use them by default on plain v9 in 64bit
17697 mode, according to what SPAMv9 sais.
17699 * config/sparc/sparc.h: Fix comments, e.g. Linux already preserves
17700 top 32 bits of %[og][0-7] in signal handlers.
17701 Also, TARGET_HARD_MUL32 now is only true for TARGET_ARCH32.
17703 Fri Jul 30 03:00:41 1999 Jeffrey A Law (law@cygnus.com)
17705 * pa.md (zvdep_imm32): Renamed from zvdep_imm.
17706 (ashlsi3): Corresponding changes.
17708 * pa.c (compute_zdepwi_operands): Renamed from compute_zdepi_operands.
17710 Thu Jul 29 18:37:13 1999 Jeffrey A Law (law@cygnus.com)
17712 * pa.h (FIRST_PARM_CALLER_OFFSET): Delete.
17714 Thu Jul 29 19:01:58 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17716 * arm.h (Hint): Delete macro.
17717 Substitute HOST_WIDE_INT for Hint in some prototypes.
17718 * arm.c: Substitute HOST_WIDE_INT for Hint in one prototype.
17720 Thu Jul 29 09:21:42 1999 Nick Clifton <nickc@cygnus.com>
17722 * builtins.c (expand_builtin_setjmp): Use force_operand to
17723 make sure that the buffer address is in a suitable form to be
17724 passed to force_reg.
17726 Wed Jul 28 12:50:48 1999 Geoff Keating <geoffk@cygnus.com>
17728 * config/mips/mips.c: system.h handles MIN and MAX, don't undefine
17731 Wed Jul 28 13:18:35 1999 Jeffrey A Law (law@cygnus.com)
17733 * pa.md (indirect_jump): Remove mode from match_operand. Verify
17734 proper mode in the condition string.
17735 (icacheflush, dcacheflush): Remove modes from match_operands.
17737 * pa.c (emit_move_sequence): Always convert scratch_reg to the
17738 proper mode before using it.
17740 * pa.md (adddi3, subdi3): Turn into a define_expand/define_insn
17743 * pa.c (store_reg): Do not call add_high_const generator directly.
17744 (load_reg, set_reg_plus_d): Likewise.
17745 * pa.md (add_high_const): No longer a named pattern.
17747 * pa.c (legitimize_address): Consistently use Pmode rather than
17748 SImode. Do not call gen_pic2_highpart directly anymore.
17749 * pa.md (pic2_highpart): No longer a named pattern.
17750 (pic2_lo_sum): Similarly. Reformat to make more readable.
17752 * pa.md (call, call_value): Use "word_mode" instead of "SImode" as
17757 Wed Jul 28 11:28:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
17759 * builtins.c (expand_builtin): Typo in call to expand_builtin_ffs.
17761 Wed Jul 28 11:23:48 1999 Richard Henderson <rth@cygnus.com>
17763 * pa.c (hppa_builtin_saveregs): Use get_varargs_alias_set
17764 and tag the spill mems.
17765 (hppa_va_start): New.
17766 (hppa_va_arg): New.
17767 * pa.h (EXPAND_BUILTIN_VA_START): New.
17768 (EXPAND_BUILTIN_VA_ARG): New.
17770 Wed Jul 28 11:22:21 1999 Richard Henderson <rth@cygnus.com>
17772 * mn10300.c (mn10300_builtin_saveregs): Use get_varargs_alias_set
17773 and tag the spill mems.
17774 (mn10300_va_start): New.
17775 (mn10300_va_arg): New.
17776 * mn10300.h (EXPAND_BUILTIN_VA_START): New.
17777 (EXPAND_BUILTIN_VA_ARG): New.
17779 Wed Jul 28 11:20:19 1999 Richard Henderson <rth@cygnus.com>
17781 * mn10200.c (mn10200_va_arg): New.
17782 * mn10200.h (EXPAND_BUILTIN_VA_ARG): New.
17784 Wed Jul 28 11:19:06 1999 Richard Henderson <rth@cygnus.com>
17786 * builtins.c (std_expand_builtin_va_arg): Use int_size_in_bytes
17787 rather than play with TREE_INT_CST_LOW.
17789 1999-07-27 Philip Blundell <pb@nexus.co.uk>
17791 * config/arm/telf.h: Include dbxelf.h.
17792 (CPP_PREDEFINES): Only define if not already defined.
17793 (ASM_IDENTIFY_GCC): Likewise.
17794 (SUBTARGET_EXTRA_SECTIONS): Likewise.
17795 (SUBTARGET_EXTRA_SECTION_FUNCTIONS): Likewise.
17796 * config/arm/thumb.h (LINK_SPEC): Only define if not already
17798 (DBX_DEBUGGING_INFO): Don't define.
17799 * config/arm/linux-telf.h: New file.
17800 * config/arm/linux-tgas.h: New file.
17801 * config/arm/t-thumb-linux: New file.
17802 * config/arm/uclinux-elf.h: New file.
17803 * config/arm/uclinux-telf.h: New file.
17804 * configure.in (arm-*-uclinux, thumb-*-linux-gnu,
17805 thumb-*-uclinux): New targets.
17806 * configure: Regenerate.
17808 Tue Jul 27 23:20:21 1999 Jeffrey A Law (law@cygnus.com)
17810 * pa.md (post_store, pre_load): New expanders.
17811 (post_stwm, pre_ldwm): Renamed to post_stw and pre_ldw respectively.
17812 (post_ldwm, pre_stwm): Make these unnamed patterns since we never
17813 need to directly generate RTL for them.
17814 * pa.c (hppa_expand_prologue, hppa_expand_epilogue): Corresponding
17817 Tue Jul 27 16:05:52 1999 David Edelsohn <edelsohn@gnu.org>
17819 * aix43.h (ASM_CPU_SPEC, CPP_CPU_SPEC): Add rs64a and PPC630.
17820 * rs6000.c (processor_target_table): Add powerpc64, rs64a, and PPC630.
17821 (rs6000_cpu): Choose between 32-bit and 64-bit default processors.
17822 (secndary_reload_class): Make TARGET_ELF conditional compile.
17823 (print_operand_address): Similar.
17824 (output_toc): Print all values as hex.
17825 (get_issue_rate): Rearrange and add RS64A and PPC630.
17826 * rs6000.h (processor_type): Add RS64A and PPC630.
17827 (PROCESSOR_POWERPC64): New.
17828 (PROMOTE_MODE): Use word_mode.
17829 (RTX_COSTS): Add RS64A and PPC630.
17830 * rs6000.md (scheduling information): Add lmul and ldiv
17831 representing 64-bit integer multiply and divide. Add rs64a and
17832 PPC630 information.
17833 (ashldi3): Add support for "rldic" instruction.
17834 * sysv4.h (PROCESSOR_DEFAULT): Change to PROCESSOR_750.
17836 Tue Jul 27 15:31:53 1999 Vladimir Makarov <vmakarov@toad.to.cygnus.com>
17838 * config/sparc/sparc.c (sparc_override_options): Enable SPARCLITE
17839 instead of V8 for sparclite86x in cpu_table.
17841 Tue Jul 27 17:49:42 1999 Bernd Schmidt <bernds@cygnus.co.uk>
17843 * config/arm/coff.h (ASM_FILE_START): If generating SDB output, call
17844 output_file_directive.
17846 Tue Jul 27 03:15:33 1999 Jason Merrill <jason@yorick.cygnus.com>
17848 * expr.c (expand_expr, case PLUS_EXPR): Get the mode from the
17849 tree for op1, not the rtl.
17851 Tue Jul 27 00:18:34 1999 Richard Henderson <rth@cygnus.com>
17853 * m88k.c (m88k_builtin_saveregs): Break out the constructor code
17854 to m88k_va_start, leaving only the register spill.
17855 (m88k_build_va_list): New.
17856 (m88k_va_start): New.
17857 (m88k_va_arg): New.
17858 * m88k.h (BUILD_VA_LIST_TYPE): New.
17859 (EXPAND_BUILTIN_VA_START): New.
17860 (EXPAND_BUILTIN_VA_ARG): New.
17862 Mon Jul 26 19:07:11 1999 Geoff Keating <geoffk@cygnus.com>
17864 * config/rs6000/rs6000.c (rs6000_expand_builtin_saveregs):
17865 Rename from expand_builtin_saveregs.
17866 * config/rs6000/rs6000.h (EXPAND_BUILTIN_SAVEREGS): Change caller.
17868 Mon Jul 26 22:52:47 1999 Richard Henderson <rth@cygnus.com>
17870 * i960.c (i960_setup_incoming_varargs): Use get_varargs_alias_set
17871 for the register spill block.
17872 (i960_build_va_list): New.
17873 (i960_va_start): New.
17874 (i960_va_arg): New.
17875 * i960.h (BUILD_VA_LIST_TYPE): New.
17876 (EXPAND_BUILTIN_VA_START): New.
17877 (EXPAND_BUILTIN_VA_ARG): New.
17878 * i960.md (store_multiple): Use change_address on individul mems.
17880 Mon Jul 26 22:43:12 1999 Richard Henderson <rth@cygnus.com>
17882 * builtins.c (stabilize_va_list): Don't INDIRECT_REF through
17884 (std_expand_builtin_va_start): Back out one word if !stdarg_p.
17885 (expand_builtin_va_end): Evaluate arg for side effects.
17886 * c-common.c (c_common_nodes_and_builtins): Construct a
17887 va_list_arg_type_node to handle array decomposition to pointer.
17889 Mon Jul 26 18:51:34 1999 Richard Henderson <rth@cygnus.com>
17891 * except.c (start_dynamic_cleanup): Use force_operand on the
17894 Mon Jul 26 16:43:26 1999 Richard Henderson <rth@cygnus.com>
17896 * c4x.h (EXPAND_BUILTIN_VA_ARG): New.
17897 * c4x.c (c4x_va_arg): New.
17899 Mon Jul 26 12:30:09 1999 Jason Merrill <jason@yorick.cygnus.com>
17901 * cpplib.c (cpp_get_token): Don't return a CPP_POP if the buffer
17902 has manual_pop set.
17904 1999-07-26 Nathan Sidwell <nathan@acm.org>
17906 * eh-common.h (__eh_matcher): Prototype correctly.
17908 Mon Jul 26 17:24:51 1999 Philip Blundell <pb@nexus.co.uk>
17910 * config/arm/thumb.h (THUMB_FLAG_SINGLE_PIC_BASE): Define.
17911 (TARGET_SINGLE_PIC_BASE): Likewise.
17912 (GOT_PCREL, NEED_GOT_RELOC, NEED_PLT_RELOC): Provide default
17914 (TARGET_CALLEE_INTERWORKING): Fix typo in comment.
17915 (TARGET_SWITCHES): Add -m{no-}single-pic-base.
17916 (TARGET_OPTIONS): Add -mpic-register=N.
17917 (OUTPUT_INT_ADDR_CONST): New macro.
17918 (INDEX_REGISTER_RTX_P, PIC_OFFSET_TABLE_REGNUM, FINALIZE_PIC,
17919 LEGITIMATE_PIC_OPERAND_P): Likewise.
17920 (LEGITIMIZE_ADDRESS, GOT_IF_LEGITIMATE_ADDRESS): Support PIC.
17921 (ASM_OUTPUT_INT): Use OUTPUT_INT_ADDR_CONST rather than calling
17922 output_addr_const directly.
17923 (PRINT_OPERAND_PUNCT_VALID_P): Accept `|' for compatibility with
17925 (thumb_pic_register, thumb_pic_register_string): Declare.
17927 * config/arm/thumb.c (symbol_mentioned_p): New function: Imported
17929 (label_mentioned_p): New function: Imported from arm.c.
17930 (legitimize_pic_address): New function: Imported from arm.c.
17931 (is_pic):New function: Imported from arm.c.
17932 (thumb_finalize_pic):New function: Imported from arm.c.
17933 (add_constant): Cope with PIC constants.
17934 (fixit): Cope with PIC constants.
17935 (output_return): Do not treat the PIC register as live if
17936 TARGET_SINGLE_PIC_BASE is true.
17937 (thumb_function_prologue): Do not treat the PIC register as live if
17938 TARGET_SINGLE_PIC_BASE is true.
17939 (thumb_expand_prologue): Do not treat the PIC register as live if
17940 TARGET_SINGLE_PIC_BASE is true.
17941 (thumb_unexpand_epilogue): Do not treat the PIC register as live if
17942 TARGET_SINGLE_PIC_BASE is true.
17943 (thumb_print_operand): Accept '|'.
17944 (thumb_override_options): Process PIC options.
17946 * config/arm/thumb.md (movsi): Support PIC.
17947 (call_insn): Change "i" constraint to "X".
17948 (call_value_insn): Likewise.
17949 (consttable_4, consttable_8, consttable_end): Set and clear
17950 "making_const_table" as appropriate.
17951 (pic_load_addr, pic_add_dot_plus_four): New insns.
17953 * invoke.texi (Thumb Options): Fix spelling. Document new
17954 options -msingle-pic-base and -mpic-register=.
17956 1999-07-26 Andrew Haley <aph@cygnus.com>
17958 * config/m32r/initfini.c (__init): Use a full word immediate for
17959 __fini: this allows it to be placed in any memory region.
17961 * config/m32r/t-m32r: Compile crtinit.o and crtfini.o for
17962 -mmodel=medium. This is OK for all memory models.
17964 Mon Jul 26 11:58:46 1999 Nick Clifton <nickc@cygnus.com>
17966 * config/arm/arm.c: Replace %R%s in asm_fprintf strings with %r.
17967 * config/arm/arm.h: Replace %R%s in asm_fprintf strings with %r.
17969 Mon Jul 26 10:23:36 1999 Nick Clifton <nickc@cygnus.com>
17971 * final.c (asm_fprintf): Accept ASM_FPRINTF_EXTENSIONS, if
17974 * tm.texi: Document ASM_FPRINTF_EXTENSIONS.
17976 Sun Jul 25 23:51:59 1999 Richard Henderson <rth@cygnus.com>
17978 * i860.h (EXPAND_BUILTIN_SAVEREGS): New.
17979 (BUILD_VA_LIST_TYPE): New.
17980 (EXPAND_BUILTIN_VA_START): New.
17981 (EXPAND_BUILTIN_VA_ARG): New.
17982 * i860.c (output_delayed_branch): Disable.
17983 (output_delay_insn): Likewise.
17984 (i860_saveregs): New.
17985 (i860_build_va_list): New.
17986 (i860_va_start): New.
17987 (i860_va_arg): New.
17988 * i860.md: Disable all peepholes using output_delayed_branch.
17989 * i860/sysv4.h (I860_SVR4_VA_LIST): New.
17991 Sun Jul 25 23:44:13 1999 Richard Henderson <rth@cygnus.com>
17993 * clipper.h (EXPAND_BUILTIN_SAVEREGS): Remove argument.
17994 (BUILD_VA_LIST_TYPE): New.
17995 (EXPAND_BUILTIN_VA_START): New.
17996 (EXPAND_BUILTIN_VA_ARG): New.
17997 * clipper.c (clipper_builtin_saveregs): Only dump registers.
17998 Return the address of the save area.
17999 (clipper_build_va_list): New.
18000 (clipper_va_start): New.
18001 (clipper_va_arg): New.
18003 Sun Jul 25 22:56:47 1999 Richard Henderson <rth@cygnus.com>
18005 * arc.h (EXPAND_BUILTIN_VA_START): New.
18006 (EXPAND_BUILTIN_VA_ARG): New.
18007 * arc.c (arc_setup_incoming_varargs): Set alias set of
18009 (arc_va_start): New.
18012 Sun Jul 25 22:45:55 1999 Richard Henderson <rth@cygnus.com>
18014 * alpha.h (EXPAND_BUILTIN_SAVEREGS): Delete.
18015 (BUILD_VA_LIST_TYPE): New.
18016 (EXPAND_BUILTIN_VA_START): New.
18017 (EXPAND_BUILTIN_VA_ARG): New.
18018 * alpha.c (alpha_builtin_saveregs): Delete.
18019 (alpha_build_va_list): New.
18020 (alpha_va_start): New.
18021 (alpha_va_arg): New.
18023 Sun Jul 25 21:40:33 1999 Jeffrey A Law (law@cygnus.com)
18025 * config/svr4.h (CTORS_SECTION_ASM_OP): Do not emit directives in
18027 (DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP): Likewise.
18028 (FINI_SECTION_ASM_OP, ASM_OUTPUT_SECTION_NAME): Likewise.
18030 * gcc.texi: More changes related to list conversion.
18031 * invoke.texi: Likewise.
18033 Sun Jul 25 18:15:39 1999 Richard Henderson <rth@cygnus.com>
18035 * builtins.c (expand_builtin_saveregs): Remove static, remove exp
18036 and ignore arguments, bail if no EXPAND_BUILTIN_SAVEREGS.
18037 (expand_builtin_next_arg): Accept ARGLIST not EXP.
18038 (stabilize_va_list): New function.
18039 (std_expand_builtin_va_start): New function.
18040 (expand_builtin_va_start): New function.
18041 (get_varargs_alias_set): New function.
18042 (std_expand_builtin_va_arg): New function.
18043 (expand_builtin_va_arg): New function.
18044 (expand_builtin_va_end): New function.
18045 (expand_builtin_va_copy): New function.
18046 (expand_builtin): Call them.
18047 * c-common.c (c_common_nodes_and_builtins): Build __builtin_va_list,
18048 __builtin_{varargs_start,stdarg_start,end,copy}.
18049 (build_va_arg): New function.
18050 * c-common.h (CTI_PTR_TYPE, ptr_type_node): Delete.
18051 (build_va_arg): Declare.
18052 * c-decl.c (ptr_type_node, va_list_type_node): New.
18053 * c-parse.gperf (__builtin_va_arg): New.
18054 * c-parse.in (VA_ARG): New token.
18055 (unary_expr): Recognize it.
18056 * expr.c (expand_expr): Expand VA_ARG_EXPR.
18057 * expr.h (std_expand_builtin_va_start): Declare.
18058 (std_expand_builtin_va_arg): Declare.
18059 (expand_builtin_va_arg): Declare.
18060 (get_varargs_alias_set): Declare.
18061 * tree.def (VA_ARG_EXPR): New.
18062 * tree.h (BUILT_IN_VARARGS_START): New.
18063 (BUILT_IN_STDARG_START, BUILT_IN_VA_END): New.
18064 (ptr_type_node, va_list_type_node): Declare.
18065 * tm.texi (EXPAND_BUILTIN_SAVEREGS): Kill unused ARGLIST argument.
18066 * m32r.h (EXPAND_BUILTIN_SAVEREGS): Likewise.
18067 * m88k.h, m88k.c: Likewise.
18068 * mn10300.h, mn10300.c: Likewise.
18069 * pa.h, pa.c: Likewise.
18070 * rs6000.h, rs6000.c: Likewise.
18071 * sh.h, sh.c: Likewise.
18072 * sparc.h, sparc.c: Likewise.
18074 * emit-rtl.c (operand_subword): Copy alias set.
18075 (change_address): Likewise.
18077 Sun Jul 25 15:04:37 1999 Jeffrey A Law (law@cygnus.com)
18079 * pa.c (compute_frame_size): Scan all the used callee saved registers,
18080 not just the first one.
18082 Fri Jul 23 14:09:58 1999 Philip Blundell <pb@nexus.co.uk>
18084 * config/arm/arm.h (TARGET_SWITCHES): Add
18085 -m{no-}single-pic-base. Correct help string for -mshort-load-words.
18086 (TARGET_OPTIONS): Add -mpic-register=.
18087 (ARM_FLAG_SINGLE_PIC_BASE, TARGET_SINGLE_PIC_BASE): Define.
18088 (arm_pic_register_string): Declare.
18089 (NEED_PLT_GOT): Delete, replace with ...
18090 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. New macros.
18091 (OUTPUT_INT_ADDR_CONST): Replace NEED_PLT_GOT with NEED_GOT_RELOC.
18092 (ASM_OUTPUT_MI_THUNK): Replace NEED_PLT_GOT with NEED_PLT_RELOC.
18093 * config/arm/arm.c (arm_override_options): Add new option
18095 (arm_pic_register_string): New variable.
18096 (arm_finalize_pic): Respect TARGET_SINGLE_PIC_BASE.
18097 (output_func_prologue): If TARGET_SINGLE_PIC_BASE, treat the PIC
18098 register as never live. Use NEED_PLT_RELOC not NEED_PLT_GOT.
18099 (output_return_instruction): Likewise.
18100 * config/arm/elf.h (NEED_PLT_GOT): Delete, replace with ...
18101 (NEED_GOT_RELOC, NEED_PLT_RELOC): ... these. Define to flag_pic.
18102 * config/arm/arm.md: Use NEED_PLT_RELOC in place of NEED_PLT_GOT.
18104 * invoke.texi (ARM Options): Fix spelling. Remove duplicate
18105 mention of -msched-prolog. Document new options -msingle-pic-base
18106 and -mpic-register=.
18108 Thu Jul 22 18:23:56 1999 Richard Henderson <rth@cygnus.com>
18110 * haifa-sched.c (reemit_notes): Tidy.
18111 * sched.c (reemit_notes): Duplicate 1998-08-31 patch to
18114 Thu Jul 22 18:21:04 1999 Richard Henderson <rth@cygnus.com>
18116 * explow.c (trunc_int_for_mode): New function.
18117 (plus_constant_wide): Use it.
18118 * combine.c (simplify_and_const_int): Likewise.
18119 (merge_outer_ops): Likewise.
18120 (simplify_shift_const): Likewise.
18121 * cse.c (simplify_unary_operation): Likewise.
18122 (simplify_binary_operation): Likewise.
18123 * emit-rtl.c (operand_subword): Likewise.
18124 * rtl.h: Declare it.
18126 Thu Jul 22 14:34:59 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18128 * config/arm/arm.c (arm_print_operand): Fix typo in 'M' case
18129 (use NUM_REGS instead of NUM_INTS).
18131 Thu Jul 22 11:25:20 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18133 * builtins.c: New file.
18134 * expr.c (saveregs_value, apply_args_value): Delete definition,
18135 moved into builtins.c.
18136 (string_constant): No longer static.
18137 (get_pointer_alignment, c_strlen, get_memory_rtx, expand_builtin,
18138 apply_args_size, apply_result_size, result_vector,
18139 expand_builtin_apply_args, expand_builtin_apply,
18140 expand_builtin_return): Delete functions, moved into builtins.c.
18141 (INCOMING_REGNO, OUTGOING_REGNO): Delete unused macros.
18142 * expr.h (saveregs_value, apply_args_value): Declare variables.
18143 (expand_builtin, string_constant): Declare functions.
18144 * Makefile.in: Update to build builtin.o.
18146 Wed Jul 21 00:46:58 1999 Mark P. Mitchell <mark@codesourcery.com>
18148 * defaults.h (DWARF2_GENERATE_TEXT_SECTION_LABEL): New macro.
18149 * tm.texi (DWARF2_GENERATE_TEXT_SECTION_LABEL): Define it.
18150 * dwarf2out.c (dwarf2out_init): Don't output a label to mark the
18151 start of the text section if DWARF2_GENERATE_TEXT_SECTION_LABEL is
18153 * config/mips/iris6.h (DWARF2_GENERATE_TEXT_SECTION_LABEL):
18156 1999-07-21 Michael Meissner <meissner@cygnus.com>
18158 * print-rtl.c (print_rtx): Print the names of the virtual
18161 Wed Jul 21 16:00:32 1999 Nick Clifton <nickc@cygnus.com>
18163 * config/arm/arm.h (INITIAL_ELIMINATION_OFFSET): Fix typo
18164 introduced in previous delta.
18166 Wed Jul 21 14:30:51 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18168 * c-lang.c (finish_file): Rename void_list_node to void_list_node_1
18169 to avoid name clash.
18171 Wed Jul 21 08:39:22 1999 Gavin Romig-Koch <gavin@cygnus.com>
18173 * c-lex.c (yylex) : Correct the test for overflow when lexing
18176 Tue Jul 20 18:02:42 1999 Richard Henderson <rth@cygnus.com>
18178 * haifa-sched.c (insn_cost): FREE implies cost 0 and vice versa.
18179 (adjust_priority): Always call ADJUST_PRIORITY.
18180 (schedule_insn): Only put insns into the ready at cost 0.
18181 (schedule_block): Remove redundant initial sort. Give clock_var
18182 and can_issue_more to MD_SCHED_REORDER. Requeue if hazard cost
18184 * tm.texi (MD_SCHED_REORDER): Update docs.
18186 * sparc.h (MD_SCHED_REORDER): Update. Set CAN_ISSUE_MORE.
18187 * sparc.c (ultra_reorder_called_this_block): Delete.
18188 (ultrasparc_sched_init): Don't set it.
18189 (ultrasparc_sched_reorder): Don't check it.
18191 Tue Jul 20 17:07:54 1999 Richard Henderson <rth@cygnus.com>
18193 * rs6000.h (struct rs6000_args): Add sysv_gregno.
18194 * rs6000.c (init_cumulative_args): Init sysv_gregno.
18195 (function_arg_boundary): Align DFmode.
18196 (function_arg_advance): Restructure for ABI_V4; use sysv_gregno
18197 to get fp reg and stack overflow correct.
18198 (function_arg): Likewise.
18199 (function_arg_pass_by_reference): True for TFmode for ABI_V4.
18200 (setup_incoming_varargs): Restructure for ABI_V4; use
18201 function_arg_advance to skip final named argument.
18202 (expand_builtin_saveregs): Properly unskip the last integer arg
18203 when doing varargs. Adjust overflow location calculation.
18205 * ginclude/va-ppc.h (struct __va_list_tag): Make gpr and fpr
18206 explicitly unsigned.
18207 (__VA_FP_REGSAVE): Use new OFS argument instead of AP->fpr directly.
18208 (__VA_GP_REGSAVE): Similarly.
18209 (__va_longlong_p): Delete.
18210 (__va_arg_type_violation): New declaration.
18211 (va_arg): Restructure. Flag promotion errors. Align double.
18212 TFmode passed by reference.
18214 * rs6000.md (movdi_32+1): Use GEN_INT after arithmetic
18215 in the HOST_BITS_PER_WIDE_INT > 32 case.
18217 Tue Jul 20 12:37:30 1999 Hans-Peter Nilsson <hp@bitrange.com>
18219 * dwarf2out.c (output_abbrev_section): Terminate with a zero.
18221 Tue Jul 20 12:12:27 1999 Jason Merrill <jason@yorick.cygnus.com>
18223 * gcc.c (default_compilers, cpp-output): Pass -fpreprocessed.
18224 * toplev.c (documented_lang_options): Add -fpreprocessed.
18225 * cpplib.h (struct cpp_buffer): Add preprocessed.
18226 * cppinit.c (cpp_handle_option): Handle -fpreprocessed.
18227 (cpp_start_read): Don't expand macros or emit an initial #line
18228 directive if -fpreprocessed.
18230 Tue Jul 20 12:12:09 1999 Michael Tiemann <tiemann@holodeck.cygnus.com>
18232 * cpplib.h (struct cpp_buffer): Added manual_pop for
18233 better C++ tokenization.
18234 * cpplib.c (cpp_get_token): Return CPP_EOF if manual_pop.
18235 Also, support C++ tokenization for ->*, .*, <?, and >? operators.
18236 * c-common.c (cpp_token): Make non-static.
18238 Tue Jul 20 11:24:19 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18240 * c-common.h: New file.
18241 * c-common.c (permanent_obstack): Delete unused declaration.
18242 (c_global_trees): New array.
18243 (c_common_nodes_and_builtins): New function; split off common code
18244 from init_decl_processing in both c-decl.c and cp/decl.c.
18245 * c-tree.h: Delete lots of declarations of tree nodes; replaced by
18246 c_global_trees and accessor macros defined in c-common.h.
18247 Include c-common.h.
18248 * c-decl.c: Delete definitions for tree nodes that were replaced by
18250 (init_decl_processing): Build void_list_node.
18251 Call c_common_nodes_and_builtins; delete code to generate the common
18253 * objc/objc-act.c (build_module_descriptor): Rename variable
18254 void_list_node to avoid clash with c-common.h.
18256 * Makefile.in: Update dependencies.
18257 * objc/Make-lang.in: Likewise.
18259 Mon Jul 19 14:22:18 1999 Mark P. Mitchell <mark@codesourcery.com>
18261 * config/mips/iris6gld.h (MAKE_DECL_ONE_ONLY): Define.
18262 (UNIQUE_SECTION_P): Likewise.
18263 (UNIQUE_SECTION): Likewise.
18265 1999-07-19 Linas Vepstas <linas@linas.org>
18267 * config/i370/README: New file.
18268 * config/i370/linux.h: New file.
18269 * config/i370/mvs.h: New file.
18270 * config/i370/oe.h: New file.
18271 * config/i370/t-linux: New file.
18272 * config/i370/t-mvs: New file.
18273 * config/i370/t-oe: New file.
18274 * config/i370/x-oe: New file.
18275 * config/i370/xm-linux.h: New file.
18276 * config/i370/xm-mvs.h: New file.
18277 * config/i370/xm-oe.h: New file.
18279 * i370.c (label_node_t): Add first_ref_page, label_addr,
18280 label_first_ref, label_last_ref members.
18281 (mvs_need_base_reload): Renamed from mvs_label_emitted.
18282 (MAX_MVS_LABEL_SIZE): Define.
18283 (MAX_LONG_LABEL_SIZE): Define.
18284 (alias_node_t, alias_anchor, alias_number): New.
18285 (mvs_function_table): Reorder for EBCDIC.
18286 (ascebc, ebcasc): Unconditionally define.
18287 (i370_branch_dest, i370_branch_length): New functions.
18288 (i370_short_branch, i370_label_scan): New functions.
18289 (mvs_get_label): Renamed from mvs_add_label. Search for
18290 an existing label before creating a new one.
18291 (mvs_add_label): New function.
18292 (mvs_get_label_page): New function.
18293 (mvs_free_label_list): Renamed from mvs_free_label. Iterate
18294 over the entire list.
18295 (mvs_check_page) [TARGET_HLASM]: Use BASR not BALR.
18296 (mvs_check_page) [TARGET_ELF_ABI]: New function.
18297 (mvs_add_alias, mvs_need_alias): New functions.
18298 (mvs_get_alias, mvs_check_alias): New functions.
18299 (handle_pragma): New function.
18300 (mvs_function_check): New function.
18301 (unsigned_jump_follows_p): Search harder.
18302 (i370_function_prolog) [TARGET_HLASM]: Handle LE370. Scan labels.
18303 (i370_function_prolog) [TARGET_ELF_ABI]: New function.
18304 * i370.h (TARGET_VERSION): Delete.
18305 (CPP_SPEC, CPP_PREDEFINES): Delete.
18306 (mvs_label_emitted): Delete.
18307 (TARGET_EBCDIC): Delete.
18308 (MAP_CHARACTER): Define only if TARGET_EBCDIC.
18309 (HANDLE_PRAGMA): Define.
18310 (HARD_REGNO_NREGS): Handle complex modes.
18311 (HARD_REGNO_MODE_OK): Likewise.
18312 (CLASS_MAX_NREGS): Likewise.
18313 (RET_REG): Likewise.
18314 (EXTRA_CONSTRAINT): Define.
18315 (RETURN_IN_MEMORY): True for DImode.
18316 (TRAMPOLINE_TEMPLATE): Use gen_rtx instead of GEN_INT.
18317 (FUNCTION_PROFILER): Delete.
18318 (COUNT_REGS): Fail if REG_P but not REG_OK_FOR_BASE_P.
18319 (NOTICE_UPDATE_CC): Correct handling of MULT, DIV, logicals and shifts.
18320 (TARGET_ESC, TARGET_BELL): Conditionally define for TARGET_EBCDIC.
18321 (TARGET_BS, TARGET_TAB, TARGET_NEWLINE): Likewise.
18322 (TARGET_VT, TARGET_FF, TARGET_CR): Likewise.
18323 (ASM_FILE_START): Add "RMODE ANY".
18324 (ASM_OUTPUT_EXTERNAL): Check for aliases.
18325 (ASM_GLOBALIZE_LABEL): Likewise.
18326 (ASM_OUTPUT_LABELREF): Likewise.
18327 (ASM_OUTPUT_COMMON): Likewise.
18328 (PRINT_OPERAND): Handle 'K', 'W', default.
18329 (PRINT_OPERAND_ADDRESS): New.
18330 (Lots of defines): Add support for TARGET_ELF_ABI.
18331 * i370.md (attr length): New. Define for all patterns.
18332 (*): Lots of tweeks to assembly output and constraints.
18334 Mon Jul 19 15:09:29 1999 David Edelsohn <edelsohn@gnu.org>
18336 * rs6000.md (arithmetic, logical, and shift Rc combiner patterns):
18337 Disable patterns performing SImode comparisons with SImode values
18338 if TARGET_POWERPC64 and instruction does not sign-extend or does
18339 not mask to narrower than SImode, i.e. where bit 31 and bit 63 may
18340 differ for signed quantities.
18341 (indirect_jump): Add expander to choose RTL based on TARGET_64BIT.
18342 (tablejump): Patterns contingent on TARGET_64BIT not TARGET_POWERPC64.
18343 (decrement_and_branch_on_count): Add 64-bit variant.
18345 Mon Jul 19 09:36:27 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18347 * final.c (output_asm_insn): When searching for the matching string
18348 for a given dialect, don't run past the end of the list of
18349 alternatives if there are fewer alternatives in the template than
18352 1999-07-17 Alexandre Oliva <oliva@dcc.unicamp.br>
18354 * gcc.texi: Update e-mail addresses and URLs to gcc.gnu.org.
18355 Removed paragraph about compression of files and size limitation,
18356 duplicated in the FAQ. Use gcc-patches for posting patches.
18357 * gcc.c (main): Updated URL with bug reporting instructions to
18358 gcc.gnu.org. Removed e-mail address.
18359 * system.h (abort): Likewise.
18361 1999-07-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
18363 * Makefile.in (stmp-multilib-sub): Make the files extracted
18364 from $(LIBGCC1) writable.
18366 Sat Jul 17 14:25:46 1999 Nick Clifton <nickc@cygnus.com>
18368 * config/arm/aout.h: Reformat for improved readability.
18370 * config/arm/arm.h: Reformat for improved readability.
18371 Replace uses of fprintf with asm_fprintf where appropriate.
18372 (ARM_DECLARE_FUNCTION_NAME): New macro: Perform any generic ARM
18373 function declaration assembler actions.
18374 (NUM_INTS): New macro: Convert from bytes to words.
18375 (NUM_REGS): New macro: Compute number of registers required to
18376 hold a quanitity of tyep MODE.
18377 (NUM_REGS2): New macro: Like NUM_REGS but also copes with BLKmode
18379 (NUM_ARG_REGS): New macro: The number of argument registers
18381 (ARG_REGISTER): New macro: Compute the register number of the Nth
18383 (LAST_ARG_REGNUM): New macro: The number of the last argument
18385 (SP_REGNUM): New macro: Register number of the stack pointer.
18386 (FP_REGNUM): New macro: Register number of the frame pointer.
18387 (FUNCTION_ARG, FUNCTION_ARG_PARTIAL_NREGS, INIT_CUMULATIVE_AGS,
18388 FUNCTION_ARG_ADVANCE, SETUP_INCOMING_VARARGS): Change
18389 CUMULATIVE_ARGS so that it counts registers not bytes.
18391 * config/arm/arm.c: Rename TARGET_THUMB_INTERWORK to
18393 Replace uses of fprintf with asm_fprintf where appropriate.
18394 (output_ascii_pseudo_op): Replace with version from thumb.c
18396 * config/arm/coff.h (ASM_FILE_START): Emit ASM_APP_OFF.
18398 * config/arm/elf.h (CPP_PREDEFINES): Replace with
18399 SUBTARGET_CPP_SPEC.
18400 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
18401 (ASM_FILE_START): Emit ASM_APP_OFF.
18403 Fri Jul 16 13:48:09 1999 Jeffrey A Law (law@cygnus.com)
18405 * pa.c (compute_frame_size): Round frame according to
18406 STACK_BOUNDARY rather than a hardwired value.
18408 * pa.h (POINTER_SIZE, PARM_BOUNDARY): Define in terms of BITS_PER_WORD.
18410 * configure.in (hppa*-*-hpux11*): Use symbolic MASK_PA_11 instead
18412 * configure: Rebuilt.
18414 * configure.in (hppa*-*-linux*): New configuration.
18415 * configure: Rebuilt.
18416 * pa.h (MAX_OFILE_ALIGNMENT): Delete.
18417 * pa/som.h (MAX_OFILE_ALIGNMENT): Define.
18418 * pa/pa-linux.h: New file.
18419 * pa/t-linux: New file.
18420 * pa/xm-linux.h: New file.
18422 * pa.c (hppa_legitimize_address): Change references from SImode to
18423 either Pmode or word_mode as appropriate.
18424 (emit_move_sequence, store_reg, load_reg): Likewise.
18425 (set_reg_plus_d, hppa_expand_prologue): Likewise.
18426 (output_mul_insn): Likewise.
18427 * pa.h (PROMOTE_MODE): Likewise.
18428 (INITIALZE_TRAMPOLINE): Likewise.
18429 (Pmode): Define to word_mode.
18431 * pa.c (compute_frame_size): Use UNITS_PER_WORD instead of hardwired
18432 value of 4. Allocate 8 bytes for each FP register save.
18433 (hppa_expand_epilogue): Use UNITS_PER_WORD instead of harwarewired
18435 (hppa_expand_prologue): Likewise.
18436 * pa.h (PROMOTE_MODE): Likewise.
18437 (HARD_REGNO_MODE_OK, FUNCTION_ARG_SIZE): Likewise.
18438 (FUNCTION_ARG_BOUNDARY): Likewise.
18440 * invoke.texi (HPPA Options): Remove -mspace/-mno-space.
18442 * pa.c (out_of_line_prologue_epilogue): Delete.
18443 (override_options): Remove -mspace related code.
18444 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
18445 (compute_frame_size): Only allocate space for register that
18446 actually need to be saved.
18447 * pa.h (MASK_SPACE, TARGET_SPACE): Delete.
18448 (TARGET_SWITCHES): Remove -mspace, -mno-space
18449 * pa/t-pa (LIB2FUNCS_EXTRA): Remove ee.asm and ee_fp.asm
18450 * pa/t-pro (LIB2FUNCS_EXTRA): Likewise. Remove -mspace multilib.
18451 * pa/ee.asm, pa/ee_fp.asm: Delete.
18453 * pa/elf.h (ASM_OUTPUT_DOUBLE_INT): Define.
18455 * config/svr4.h (CONST_SECTION_ASM_OP): Do not emit assembler
18456 directive in column zero.
18458 Fri Jul 16 01:39:57 1999 Jeffrey A Law (law@cygnus.com)
18460 * m68k.c (output_function_prologue): Fix computation of save mask
18461 when generating PIC code.
18463 Thu Jul 15 15:40:09 1999 Jim Wilson <wilson@cygnus.com>
18465 * tree.c (build_type_attribute_variant): Move current_obstack restore
18466 after build_qualified_type call.
18468 1999-07-15 Mark Mitchell <mark@codesourcery.com>
18470 * configure.in: Use t-iris6, even with GNU LD.
18471 * config/mips/iris6gld.h: Fix typo in linker spec.
18472 * config/mips/t-iris6gld: Remove.
18474 Thu Jul 15 15:15:43 1999 David Edelsohn <edelsohn@gnu.org>
18476 * rs6000.md (insv, extzv): Remove SImode dependence in named
18477 patterns. Explicitly generate DImode RTL if PowerPC64 and
18479 (insvdi): Reverse start and size in instruction template.
18481 1999-07-12 Joseph S. Myers <jsm28@cam.ac.uk>
18483 * invoke.texi: Typo fixes.
18485 Wed Jul 14 23:28:06 1999 Jeffrey A Law (law@cygnus.com)
18487 * emit-rtl.c (gen_realpart): Issue an error for cases GCC can not
18488 handle at this time instead of silently generating incorrect code.
18489 (gen_imagpart): Likewise.
18491 * reload.c (find_reloads): Emit a USE for a pseudo register without
18492 a hard register if we could not create an optional reload for the
18495 Wed Jul 14 23:45:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18497 * c-typeck.c (output_init_element, process_init_element):
18498 When advancing constructor_unfilled_fields for a RECORD_TYPE,
18499 check for nameless bit fields.
18501 Wed Jul 14 01:57:39 1999 Richard Henderson <rth@cygnus.com>
18503 * regclass.c (scan_one_insn): Notice subregs that change the
18504 size of their operand.
18505 (record_reg_classes): Use that to obey CLASS_CANNOT_CHANGE_SIZE.
18507 Wed Jul 14 01:41:42 1999 Jeffrey A Law (law@cygnus.com)
18509 * configure.in (alpha*-*-*): Include alpha/t-ieee.
18510 * configure: Rebuilt.
18511 * alpha/t-ieee: New file.
18513 Tue Jul 13 10:45:58 1999 Jeffrey A Law (law@cygnus.com)
18515 * rs6000.c (find_addr_reg): Do not select r0 as an address
18518 Tue Jul 13 00:46:18 1999 Philippe De Muyter <phdm@macqel.be>
18520 * m68k/x-mot3300 (XCFLAGS): List of big files now includes `cse.o'.
18522 Mon Jul 12 14:29:15 1999 Jeffrey A Law (law@cygnus.com)
18524 * rs6000.md (movsf): Do not force easy FP constants into memory.
18526 * expr.c (expand_expr, case PLUS_EXPR): Pass constants through
18527 immed_double_const to ensure they are properly truncated then
18530 Mon Jul 12 10:40:01 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
18532 * config/arm/thumb.c (thumb_reorg): Call replace_symbols_in_block
18533 always unless NO_DEBUG is used. Compile this code
18535 (replace_symbols_in_block): Compile it unconditionally.
18537 Sun Jul 11 12:32:32 1999 Jeffrey A Law (law@cygnus.com)
18539 * configure.in (i?86-*-elf*): New target.
18540 * configure: Rebuilt.
18541 * i386/i386elf.h, i386/t-i386elf: New files.
18543 Fri Jul 9 22:39:44 1999 Jason Merrill <jason@yorick.cygnus.com>
18545 * toplev.c (main): Don't complain about saying -gdwarf.
18546 (rest_of_compilation): Remove redundant code.
18548 Fri Jul 9 19:08:55 1999 Jim Wilson <wilson@cygnus.com>
18550 * unroll.c (unroll_loops): Don't delete named CODE_LABELs.
18552 Fri Jul 9 18:54:18 1999 Felix Lee <flee@cygnus.com>
18554 * config/i960/i960.c (ret_label): Change asm label from "LR:" to
18555 "Li960R:", to avoid name clash.
18557 Fri Jul 9 10:48:28 1999 Bernd Schmidt <bernds@cygnus.co.uk>
18559 * loop.c (check_dbra_loop): When reversing a loop, delete all
18560 REG_EQUAL notes referencing the reversed biv except those which are
18561 for a giv based on it.
18563 Fri Jul 9 03:51:52 1999 Jeffrey A Law (law@cygnus.com)
18565 * version.c: Drop "gcc-" prefix from version #.
18567 Thu Jul 8 18:06:30 1999 Jason Merrill <jason@yorick.cygnus.com>
18569 * dwarf2out.c (dwarf2out_line): Emit a line number comment after
18570 the label if we're being verbose.
18572 Thu Jul 8 14:18:46 1999 Richard Henderson <rth@cygnus.com>
18574 * m68k.c (output_function_prologue): Add pic register to mask
18575 if live and flag_pic.
18576 (output_function_epilogue): Likewise.
18578 Thu Jul 8 12:55:12 1999 Jeffrey A Law (law@cygnus.com)
18580 * dbxelf.h (ASM_OUTPUT_SOURCE_LINE): Do not put assembler
18581 directives in column zero.
18583 * pa/elf.h (ASM_FILE_START): Define.
18584 * pa/som.h (ASM_FILE_START): Include .level directives.
18585 * pa/hpux10.h (ASM_FILE_START): Delete.
18586 * pa/hpux11.h (ASM_FILE_START): Delete.
18588 * pa/elf.h (BSS_SECTION_ASM_OP): Use .section .bss.
18590 Thu Jul 8 18:03:19 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18592 * reload1.c (choose_reload_regs): Never call remove_adress_replacements
18593 when reload_out equals reload_in.
18595 Thu Jul 8 16:50:14 1999 Nick Clifton <nickc@cygnus.com>
18597 * invoke.texi (Spec Files): New node: Describe the contents of
18600 Thu Jul 8 10:28:25 1999 Craig Burley <craig@jcb-sc.com>
18602 * invoke.texi (DEC Alpha Options): Put @end table at
18603 beginning of line, to avoid confusing texi2html.
18605 Thu Jul 8 09:22:06 1999 Nick Clifton <nickc@cygnus.com>
18607 * config/arm/elf.h (ASM_OUTPUT_INTERNAL_LABEL): Fixed typo
18608 introduced in previous delta.
18610 Wed Jul 7 02:00:04 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
18612 * reload1.c (gen_reload): When synthesizing a 3 operand add
18613 sequence, improve test for when to reload OP1 into the reload
18614 register instead of OP0.
18616 Wed Jul 7 01:38:03 1999 Jim Wilson <wilson@cygnus.com>
18618 * unroll.c (unroll_loop): Don't delete NOTE_INSN_DELETED_LABEL notes.
18620 1999-07-07 Manfred Hollstein <mhollstein@cygnus.com>
18622 * m88k/dguxbcs.h (CPP_SPEC): Add missing \ in multi-line
18625 Wed Jul 7 01:16:43 1999 Richard Henderson <rth@cygnus.com>
18627 * ginclude/varargs.h (__builtin_va_alist_t): New typedef.
18628 (va_dcl): Use __builtin_va_alist_t.
18630 Wed Jul 7 01:14:42 1999 Jason Merrill <jason@yorick.cygnus.com>
18632 * dwarf2out.c (gen_struct_or_union_type_die): Only remember types
18633 on the permanent_obstack.
18634 * dwarfout.c (output_type): Likewise.
18636 Tue Jul 6 15:25:32 1999 Gavin Romig-Koch <gavin@cygnus.com>
18638 * c-common.c (unsigned_type,signed_type,signed_or_unsigned_type) :
18639 Merged from c-typeck.c and cp/typeck.c.
18640 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
18641 Merged into c-common.
18643 Tue Jul 6 13:06:01 1999 Dave Brolley <brolley@cygnus.com>
18645 * c-lex.c (errorcount): Declare it.
18646 (finish_parse): Update errorcount when using CPPLIB.
18648 1999-07-06 Bruce Korb <ddsinc09@ix.netcom.com>
18650 * fixinc/inclhack.def(end_else_label): Double the backslash so
18651 sed gets a chance to see it.
18652 * fixinc/inclhack.sh: regen
18653 * fixinc/fixincl.x: regen
18655 Fri Jul 2 18:49:51 1999 Nick Clifton <nickc@cygnus.com>
18657 Add framework to support armv5 architecture when it becomes
18660 * config/arm/arm.c (FL_ARCH5): New processor capability flag.
18661 (arm_arch5): New variable.
18662 (all_architectures): Add armv5 line.
18663 * config/arm/arm.h (CPP_CPU_ARCH_SPEC): Define __ARM_ARCH_5__ if
18664 -march=armv5 is specified on the command line.
18665 (arm_arch5): Export this variable.
18666 * invoke.texi: Document new string accepted by -march= switch for
18669 * config/arm/arm.h: Replace use of constant 12 as a register
18670 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
18671 * config/arm/arm.c: Replace use of constant 12 as a register
18672 number with IP_REGNUM. Similarly 14 and LR_REGNUM.
18674 * config/arm/elf.h: Tidy up.
18675 * config/arm/coff.h: Tidy up.
18677 Thu Jul 1 19:08:13 1999 Mark P. Mitchell <mark@codesourcery.com>
18679 * gcc/configure.in (mips-sgi-irix6*): Handle --with-gnu-ld.
18680 * gcc/config/mips/t-iris6gld: New file.
18681 * gcc/config/mips/iris6gld.h: Likewise.
18683 Fri Jul 2 13:23:39 1999 Gavin Romig-Koch <gavin@cygnus.com>
18685 * c-decl.c (widest_integer_literal_type_node,
18686 widest_unsigned_literal_type) : New.
18687 (init_decl_processing): Handle/use the two new types.
18688 * c-common.c (type_for_size,type_for_mode) : Same.
18689 * c-lex.c (yylex) : Same.
18690 * c-typeck.c (unsigned_type,signed_type,signed_or_unsigned_type) :
18692 * c-tree.h (widest_integer_literal_type_node,
18693 widest_unsigned_literal_type) : New.
18695 Fri Jul 2 03:05:44 1999 Jeffrey A Law (law@cygnus.com)
18697 * dwarfout.c (field_byte_offset): Correctly compute the object's
18698 byte offset for the first bit of a field which crosses an alignment
18699 boundary on a !BYTES_BIG_ENDIAN target.
18701 Fri Jul 2 01:36:36 1999 Robert Lipe <robertlipe@usa.net>
18703 * fixinc.svr4: Fix <arpa/inet.h> by deleting protos for htons and
18706 Fri Jul 2 00:46:47 1999 Richard Henderson <rth@cygnus.com>
18707 Jeff Law <law@cygnus.com>
18709 * ginclude/varargs.h (va_dcl): Use word_mode for type of
18712 * except.c: Include intl.h.
18713 (expand_eh_return): Set current_function_cannot_inline.
18714 (save_eh_status, restore_eh_status): Twiddle eh_return_stub_label.
18715 * function.h (struct function): Add eh_return_stub_label.
18716 * flow.c (delete_unreachable_blocks): Don't merge across EH edges.
18717 * Makefile.in (except.o): Depend on intl.h.
18719 Fri Jul 2 00:04:23 1999 David Edelsohn <edelsohn@gnu.org>
18721 * rs6000.md (movdf_hardfloat32): Handle PRE_INC and PRE_DEC the
18722 same as offsettable in cases 1 and 2.
18724 Thu Jul 1 20:54:10 1999 Richard Henderson <rth@cygnus.com>
18726 * alpha.md (extqh): Define as 64-((R&7)*8) instead of 56-(((R-1)&7)*8).
18727 (extlh, extwh): Likewise.
18729 Thu Jul 1 11:05:25 1999 Gavin Romig-Koch <gavin@cygnus.com>
18731 * c-lex.c (yylex): Improve 'integer constant out of range' messages.
18733 Wed Jun 30 16:51:41 1999 Nick Clifton <nickc@cygnus.com>
18735 * configure.in: Add arm-pe and thumb-pe targets.
18736 * configure: Regenerate.
18738 * thumb.c (arm_naked_function_p): New function: Determines if
18739 a function is naked (has no gcc generated prologue/epilogue).
18740 (is_called_in_ARM_mode): Return true if the func has the
18741 interfacearm attribute.
18742 (output_return): Do not generate a return for naked functions.
18743 (thumb_function_prologue): Do not generate a prologue for
18745 (thumb_expand_prologue): Do not generate a prologue for naked
18747 (thumb_expand_epilogue): Do not generate an epilogue for naked
18749 (arm_valid_machine_decl_attribute): New function, copied from
18750 arm.c: Permit naked and interfacearm attributes.
18752 * config/arm/pe.c: New file: Support code for arm-pe target.
18753 * config/arm/pe.h: New file: Header file for arm-pe target.
18754 * config/arm/tpe.h: New file: Header file for thumb-pe target.
18755 * config/arm/t-thumb-pe: New file: Makefile fragment for
18758 1999-07-01 Mark Kettenis <kettenis@gnu.org>
18760 * config/i386/gnu.h (CPP_SPEC): Define __PIC__ and __pic__ if
18761 -fPIC or -fpic is specified.
18763 Wed Jun 30 03:31:54 1999 Jeffrey A Law (law@cygnus.com)
18765 * expr.c (emit_block_move): Use copy_to_mode_reg for
18766 !TARGET_MEM_FUNCTIONS case too.
18768 * configure.in (hppa*-*-*): Add som.h or elf.h to tm_file as
18770 * configure: Rebuilt.
18771 (hppa1.1-*-pro*, hppa1.1-*-rtems*): Define target_cpu_default.
18772 * pa.h: Include dbxelf.h. Delete various dbx/stabs related
18773 definitions made redundant by dbxelf.h inclusion. Delete
18774 lots of definitions related to assembly output that are
18775 specific to the SOM object format.
18776 * pa.c (output_function_prologue): Do not emit the function's
18778 * pa-pro-end.h (STARTFILE_SPEC): Undefine before redefining.
18779 * pa-pro.h: Deleted.
18780 * som.h: New file with SOM specific definitions.
18781 * elf.h: New file with ELF specific definitions.
18783 * elfos.h (const_section): Output a tab before assembler directives.
18784 (ctors_section, dtors_section): Likewise.
18785 (ASM_OUTPUT_SECTION_NAME): Likewise.
18787 * pa/pa1.h: Delete unused file.
18789 Tue Jun 29 01:37:53 1999 Jeffrey A Law (law@cygnus.com)
18791 * configure.in (hppa*-hp-hpux11*): New configuration.
18792 * configure: Rebuilt.
18793 * pa/pa-hpux11.h: New file.
18794 * pa.h (CPP_SPEC): Conditionally add -D__STDC_EXT__ to the cpp
18797 * mips.md (leasi, leadi): New patterns.
18799 * expr.c (emit_block_move): Properly handle case where one of the
18800 block move arguments has a queued increment or decrement.
18801 (clear_storage): Similarly. Fix formatting goof.
18803 1999-06-28 "David O'Brien" <obrien@NUXI.com>
18805 * fixinc/inclhack.def(stdio_va_list): This patch Removes a
18806 semicolon from the BSD VA_LIST replacement expression.
18808 * fixinc/inclhack.sh: regen
18809 * fixinc/fixincl.x: regen
18811 * fixinc/mkfixinc.sh: Have `i[34567]86-*-freebsd*' machines
18812 now use the fixincl program.
18814 Mon Jun 28 05:28:12 1999 Jeffrey A Law (law@cygnus.com)
18816 * m68k.h (CONDITIONAL_REGISTER_USAGE): Define for !SUN_FPA
18817 case. Also make the PIC register call_used.
18819 * m68k.h (FINALIZE_PIC): Delete.
18820 * m68k.c (finalize_pic): Delete.
18822 Mon Jun 28 05:16:35 1999 Richard Henderson <rth@cygnus.com>
18824 * m68k.h (PREFERRED_RELOAD_CLASS): Don't force any FP const_doubles
18827 Mon Jun 28 04:07:27 1999 David Edelsohn <edelsohn@gnu.org>
18829 * expmed.c (expand_divmod): Ensure unsigned value fits in reg_note.
18831 Sun Jun 27 02:39:08 1999 Richard Henderson <rth@cygnus.com>
18833 * jump.c (jump_optimize_1): Validate the cmov copy to a temporary.
18835 Sat Jun 26 17:18:18 1999 David Edelsohn <edelsohn@gnu.org>
18837 * rs6000.c (print_operand, case 'L'): Use plus_constant_for_output.
18839 Fri Jun 25 11:33:24 1999 Richard Henderson <rth@cygnus.com>
18841 * alpha.c (override_options): Add -mcpu=ev45 as an alias for ev4.
18843 Fri Jun 25 13:41:25 1999 David Edelsohn <edelsohn@gnu.org>
18845 * rs6000.c (output_toc): Always use hex values for floating-point
18846 constants. Store single-precision values in upper-half of TOC
18847 entry in 64-bit mode.
18848 * rs6000.md (floatsidf2, floatunssidf2): Add !TARGET_POWERPC64
18849 to final constraints.
18850 (fix_truncdfsi2 splitter): Change pattern matching fctiwz.
18851 (fctiwz): Improve accuracy of RTL for pattern.
18853 Fri Jun 25 11:26:38 1999 Gavin Romig-Koch <gavin@cygnus.com>
18855 * expr.c (expand_expr): Allow RTL_EXPR's through the
18856 MAX_INTEGER_COMPUTATION_MODE checks.
18858 Fri Jun 25 06:06:37 1999 Richard Henderson <rth@cygnus.com>
18860 * alpha.h (MASK_SUPPORT_ARCH, MASK_CPU_EV5, MASK_CPU_EV6): Define
18861 such that MASK_SUPPORT_ARCH is not negative.
18863 Fri Jun 25 05:35:44 1999 Jeffrey A Law (law@cygnus.com)
18865 * loop.c (verify_dominator): Properly handle ADDR_VEC and
18866 ADDR_DIFF_VEC insns that appear inside loops.
18868 Thu Jun 24 22:54:05 1999 David Edelsohn <edelsohn@gnu.org>
18869 Jeff Law <law@cygnus.com>
18871 * rs6000.md (movdf_hardfloat32): Revert previous patch.
18872 Handle LO_SUM the same as offsettable in cases 1 and 2.
18873 * rs6000.c (find_addr_reg): Revert previous patch.
18875 Thu Jun 24 22:43:12 1999 Philippe De Muyter <phdm@macqel.be>
18877 * system.h (strstr): New external function declaration.
18878 * acconfig.h (NEED_DECLARATION_STRSTR): New define slot.
18879 * configure.in (GCC_NEED_DECLARATIONS): Check for strstr.
18880 * config.in, configure: Rebuilt.
18882 1999-06-24 Tom Tromey <tromey@cygnus.com>
18884 * gcc.c (main): Read user-specified specs files after computing
18885 additional startfile_prefixes.
18887 Thu Jun 24 15:00:47 1999 Mark Mitchell <mark@codesourcery.com>
18889 Revert these two patches:
18891 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18892 * loop.c (strength_reduce): When doing biv->giv conversion, update
18893 reg note of NEXT->insn.
18895 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18896 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
18898 (recombine_givs): Set ix field after sorting.
18900 Wed Jun 23 21:26:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18902 * rtlanal.c (reg_referenced_p): Use reg_overlap_mentioned_p
18903 for the parts of an UNSPEC / UNSPEC_VOLATILE.
18905 1999-06-23 Bruce Korb <ddsinc09@ix.netcom.com>
18907 *fixinc/inclhack.def: Add fix development commentary
18908 (read_ret_type): reactivate and add selection clause
18909 (zzz_*): tweak output file name to match what is used in hackshell.tpl
18910 *fixinc/{fixincl.x|inclhack.sh}: regen
18912 Wed Jun 23 00:48:21 1999 Jason Merrill <jason@yorick.cygnus.com>
18914 * expr.c (expand_expr): STRIP_NOPS before checking against
18915 MAX_INTEGER_COMPUTATION_MODE
18916 (check_max_integer_computation_mode): Likewise.
18918 Tue Jun 22 20:23:43 1999 Jim Wilson <wilson@cygnus.com>
18920 * md.texi (smul@var{m}3_highpart): Add missing 's' prefix.
18922 1999-06-22 Jim Wilson <wilson@cygnus.com>
18924 * expr.c (store_expr): When target is a promoted subreg, return a
18925 promoted subreg as a result.
18927 Tue Jun 22 17:14:58 1999 Michael Meissner <meissner@cygnus.com>
18929 * dwarf2out.c (dwarf2out_frame_debug_expr): Reformat to match GNU
18931 (dwarf2out_define): Mark unused parameters appropriately.
18932 (gen_unspecified_parameters_die): Ditto.
18933 (gen_subprogram_die): Fix signed/unsigned warnings.
18934 (gen_variable_die): Ditto.
18936 1999-06-22 Bruce Korb <ddsinc09@ix.netcom.com>
18938 * fixinc/inclhack.def(end_else_label): combined else_label
18939 and endif_label and fixed the sed expression.
18940 *fixinc/{fixincl.x|inclhack.sh}: regen
18942 Tue Jun 22 01:58:18 1999 Jeffrey A Law (law@cygnus.com)
18944 * rs6000.md (movdf_hardfloat32): Use %X instead of always emitting
18945 'x' when handling non-offsettable addresses
18947 Tue Jun 22 00:20:05 1999 Richard Earnshaw (rearnsha@arm.com)
18949 * final.c (shorten_branches): Don't try to split an insn that has
18952 Mon Jun 21 12:47:39 1999 Mark Mitchell <mark@codesourcery.com>
18954 * config/mips/mips.c (symbolic_expression_p): New function.
18955 (mips_select_rtx_section): Put symbolic expressions in the
18956 data section, not the read-only data section.
18958 Mon Jun 21 22:13:06 1999 Jeffrey A Law (law@cygnus.com)
18960 * rs6000.md (find_addr_reg): Handle LO_SUM addresses.
18962 Mon Jun 21 20:10:42 1999 Richard Henderson <rth@cygnus.com>
18964 * collect2.c (main): Log frame table count.
18965 (GCC_OK_SYMBOL) [ECOFF]: Accept stGlobal.
18966 (scan_prog_file) [COFF]: Handle frame tables.
18968 * alpha/alpha.h (UNALIGNED_SHORT_ASM_OP): Define.
18969 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): Define.
18970 * alpha/elf.h: Undef them again.
18971 * alpha/vms.h: Remove their definitions.
18973 Tue Jun 22 03:17:53 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
18975 * sh.c (machine_dependent_reorg): When fixing up fp pcloads,
18976 remove the clobber of r0 and change the REG_UNUSED note to
18979 1999-06-21 Jakub Jelinek <jj@ultra.linux.cz>
18981 * real.c (ereal_from_double): Fix for 64-bit big endian hosts.
18982 * emit-rtl.c (gen_lowpart_common): Add case for hosts where double
18983 fits in HOST_WIDE_INT and one uses union to access a long constant
18986 Mon Jun 21 17:18:25 1999 Richard Henderson <rth@cygnus.com>
18988 * sparc.c (sparc_override_options): Don't allow profiling for
18989 code models other than medlow.
18990 (sparc_function_profiler): New function from old FUNCTION_PROFILER
18991 macro. Use ASM_GENERATE_INTERNAL_LABEL and MCOUNT_FUNCTION.
18992 (sparc_function_block_profiler): Likewise. Use user_label_prefix.
18993 (sparc_block_profiler): Likewise.
18994 (sparc_function_block_profiler_exit): Likewise.
18995 * sparc.h (FUNCTION_PROFILER): Call new sparc.c function.
18996 (FUNCTION_BLOCK_PROFILER): Likewise.
18997 (BLOCK_PROFILER): Likewise.
18998 (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
18999 (MCOUNT_FUNCTION): New.
19000 * sparc/pbd.h (FUNCTION_PROFILER): Delete.
19001 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Delete.
19002 * sparc/sun4o3.h (FUNCTION_PROFILER): Delete.
19003 (MCOUNT_FUNCTION): New.
19004 * sparc/sysv4.h (FUNCTION_BLOCK_PROFILER): Delete.
19005 (BLOCK_PROFILER): Delete.
19006 (MCOUNT_FUNCTION): New.
19008 Mon Jun 21 14:11:29 1999 David Edelsohn <edelsohn@gnu.org>
19010 * rs6000.md (movdf_hardfloat32): Fix typo in case 2.
19012 Mon Jun 21 12:27:17 1999 Vladimir Makarov <vmakarov@tofu.to.cygnus.com>
19014 * config/mips/elf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
19017 * config/m68k/m68kelf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
19020 * config/sh/sh.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
19023 * config/arm/telf.h (BSS_SECTION_ASM_OP, ASM_OUTPUT_ALIGNED_BSS):
19026 Mon Jun 21 14:58:42 1999 Nick Clifton <nickc@cygnus.com>
19028 * config/arm/arm.h: Add cpp support for ARM920 and ARM920T cpu
19031 Mon Jun 21 06:22:21 1999 Mark Elbrecht <snowball3@bigfoot.com>
19033 * i386/djgpp.h (LIB_SPEC): New.
19034 (STARTFILE_SPEC): New.
19036 * i386/xm-djgpp.h (NO_SYS_SIGLIST): Deleted. Now obsolete.
19038 Mon Jun 21 06:19:33 1999 Philippe De Muyter <phdm@macqel.be>
19040 * fixinc/Makefile.in (gnu-regex.o): Do not define STDC_HEADERS in
19043 * system.h (WSTOPSIG): New macro.
19045 Mon Jun 21 05:33:15 1999 Mumit Khan <khan@xraylith.wisc.edu>
19047 * c-pragma.c (push_alignment): Don't ignore alignments greater than
19049 (insert_pack_attributes): Take into account member natural
19052 * i386/winnt.c (exports_head): New static variable.
19053 (i386_pe_record_exported_symbol): New function.
19054 (i386_pe_asm_file_end): Use.
19055 * i386/cygwin.h (ASM_OUTPUT_COMMON): Record the exported
19056 symbols to be emitted at end of assembly.
19057 (ASM_DECLARE_OBJECT_NAME): Likewise.
19058 (ASM_DECLARE_FUNCTION_NAME): Likewise.
19060 * i386/uwin.h (CPP_SPEC): Use -idirafter instead -iprefix and
19063 Mon Jun 21 04:44:31 1999 Jeffrey A Law (law@cygnus.com)
19065 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Fix paren error introduced
19068 Sun Jun 20 17:27:20 1999 Richard Henderson <rth@cygnus.com>
19070 * haifa-sched.c (sched_analyze_1): Use free_list instead of
19071 zapping reg_last_uses directly.
19072 (sched_analyze_2, sched_analyze_insn): Likewise.
19073 (sched_analyze): Likewise. Don't clear reg_last_uses on calls.
19075 Sun Jun 20 16:57:29 1999 David Edelsohn <edelsohn@gnu.org>
19077 * rs6000.md (movdf_hardfloat32): Use worst case insn length
19078 attributes for cases 1 and 2.
19080 Sat Jun 19 22:52:55 1999 Richard Henderson <rth@cygnus.com>
19082 * haifa-sched.c (sched_analyze): Mark call-user regs as clobbered
19085 Sat Jun 19 05:40:07 1999 Philip Blundell <pb@nexus.co.uk>
19087 * arm.c (arm_reload_in_hi): Invert sense of test on BYTES_BIG_ENDIAN.
19089 Sat Jun 19 05:25:05 1999 Richard Earnshaw (rearnsha@arm.com)
19091 * arm.h (CONDITIONAL_REGISTER_USAGE): If flag_pic, never use
19092 PIC_OFFSET_TABLE_REGNUM for general alloaction.
19093 (INITIAL_ELIMINATION_OFFSET): Count the fact that the PIC register
19094 must be stacked if it is used for PIC accesses.
19095 * arm.c (use_return_insn): Handle PIC register specially.
19096 (output_return_instruction): Likewise.
19097 (output_func_{prologue,epilogue}): Likewise.
19098 (output_expand_prologue): Likewise.
19100 * arm.md (*adddf_esfdf_df): Renamed from *adddf_df_esfdf.
19101 (*strsi_predec): Renamed from *strqi_predec.
19102 (*loadsi_shiftpreinc): Renamed from *loadqi_shiftpreinc.
19103 (*loadsi_shiftpredec): Renamed from *loadqi_shiftpredec.
19105 * arm.c (arm_override_options): Remove warning about PIC code
19106 not being supported.
19108 Fri Jun 18 23:47:06 1999 David Edelsohn <edelsohn@gnu.org>
19110 * rs6000.c (find_addr_reg): New function.
19111 * rs6000.h (find_addr_reg): Declare.
19112 (offsettable_addr_operand): Delete.
19113 * rs6000.md (movdf_hardfloat32): Handle non-offsettable loads
19114 from and stores to GPRs.
19116 Fri Jun 18 15:44:18 1999 Richard Henderson <rth@cygnus.com>
19118 * alpha.c (alpha_expand_block_move): Use get_insns rather than
19119 gen_sequence as argument to emit_no_conflict_block.
19121 Fri Jun 18 07:02 1999 Bruce Korb <ddsinc09@ix.netcom.com>
19123 * fixinc/mkfixinc.sh: enable the fixincl program for DG/UX
19124 * fixinc/inclhack.def(dgux_int_varargs): script must end with \n
19125 *fixinc/fixincl.x: regen
19126 *fixinc/inclhack.sh: regen
19128 Thu Jun 17 15:06:10 PDT 1999 Don Lindsay <dlindsay@cygnus.com>
19130 * added support for -mpcrel (PC relative addressing for m68k)
19131 based on code done by Michael Tiemann <tiemann@axon.cygnus.com>.
19132 * invoke.texi (m68000 options): Add documentation for -mpcrel flag.
19133 * m68k.c (print_operand_address): Handle 32-bit PIC case.
19134 (comments for general_src_operand): Add some explanation
19135 about EXTRA_CONSTRAINTS.
19136 (OVERRIDE_OPTIONS): Enable -fPIC in combination with -mpcrel.
19137 * m68kelf.h (OVERRIDE_OPTIONS): Ditto.
19138 (LEGITIMATE_PIC_OPERAND_P): Fix typo.
19139 (LEGITIMATE_PIC_OPERAND_P): Re-derive from m68k.h case.
19140 * m68k.h (LEGITIMATE_PIC_OPERAND_P): Fix delete-o.
19141 (INDIRECTABLE_1_ADDRESS): Delete spurious '/' at end of macro.
19142 (OVERRIDE_OPTIONS): Change behavior so that -mpcrel implies -fpic
19143 if not already set.
19144 (OVERRIDE_OPTIONS): Merge in changes from m68k.h.
19145 * m68k.h (TARGET_PCREL): New target flag.
19146 (TARGET_SWITCHES): Add "pcrel" as a recognized switch.
19147 (OVERRIDE_OPTIONS): Add checks for -mpcrel.
19148 (LEGITIMATE_PIC_OPERAND_P): Don't normally accept anything that
19149 contains a SYMBOL_REF. Relax this constraint during reload, since
19150 we want to use the predicates, not reload's built-in concept of a
19151 valid memory address, to control what insns need reloading.
19152 (EXTRA_CONSTRAINT): Define constraints to accept pc-relative
19153 operands (essentially 'g', 'm', and 's' under normal circumstances).
19154 * m68k.c (print_operand): Cause printing of pc-relative addresses
19155 to include pc register.
19156 (print_operand_address): Ditto.
19157 (general_src_operand): Accept operands that are not only
19158 general_operands, but are also valid when used as a pc-relative
19160 (nonimmediate_src_operand): Similar, for nonimmediate_operands.
19161 (memory_src_operand): Similar, for memory_operands.
19162 (pcrel_address): New predicate to accept the special case of a
19163 pc-relative address.
19164 * m68k.md (many patterns): Rewrite common SImode, HImode, and
19165 QImode insns to accept *_src_operand instead of *_operand where
19166 pc-relative operands can fit. For example, a pc-relative operand
19167 can be used as a memory source operand for addsi3, but not as a
19168 memory destination.
19169 * hp320.h linux.h m68kv4.h (LEGITIMATE_PIC_OPERAND_P) as in m68k.h.
19171 Fri Jun 18 09:11:07 1999 Nick Clifton <nickc@cygnus.com>
19173 * config/arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS): New Marco: USe
19174 .thumb_set pseudo op to mark aliases of thumb functions.
19176 Wed Jun 16 18:19:13 1999 Nick Clifton <nickc@cygnus.com>
19178 * varasm.c (assemble_alias): Use ASM_OUTPUT_DEF_FROM_DECLS in
19179 preference to ASM_OUTPUT_DEF, if it is defined.
19181 * tm.texi: Document new, optional target macro
19182 ASM_OUTPUT_DEF_FROM_DECLS.
19184 Thu Jun 17 15:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
19186 * fixincludes: ISCNTL patch
19187 * fixinc/inclhack.def (ioctl_fix_ctrl): Fix the definition of [_]*ISCTRL().
19188 (dgux_int_varargs): new for DG/UX
19189 * fixinc/{fixincl.x,inclhack.sh}: Regenerated.
19191 Thu Jun 17 21:34:24 1999 Jeff Law <law@cygnus.com>
19193 * invoke.texi (ia32 options): Fix typo.
19195 Thu Jun 17 21:34:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19197 * loop.c (strength_reduce): When doing biv->giv conversion, update
19198 reg note of NEXT->insn.
19200 Thu Jun 17 14:25:08 1999 Jeffrey A Law (law@cygnus.com)
19202 * loop.c (move_movables): Note issues with replacing REGs with
19204 * mips.h (GO_IF_LEGITIMATE_ADDRESS): Handle SUBREGs properly.
19206 Thu Jun 17 13:28:30 1999 David O'Brien <obrien@FreeBSD.org>
19208 * i386/freebsd-elf.h (LINK_SPEC): Fix typo.
19210 * i386/freebsd-elf.h (FUNCTION_PROFILER): labels are not needed and
19211 the reference to `mcount' was not correct for the ELF on FreeBSD.
19213 Thu Jun 17 17:22:07 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19215 * loop.c (strength_reduce): When doing biv->giv conversion, fix up
19218 (recombine_givs): Set ix field after sorting.
19220 Thu Jun 17 02:54:30 1999 Jeffrey A Law (law@cygnus.com)
19222 * emit-rtl.c (operand_subword): Tighten checks for when it is safe
19223 to safe to extract a subword out of a REG.
19225 Thu Jun 17 01:45:24 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19227 * sh.md (mulsi3): Don't add a no-op move at the end.
19229 Wed Jun 16 20:29:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19231 * cse.c (cse_insn): Don't put hard register source into tables for
19232 the last insn of a libcall.
19234 Wed Jun 16 19:44:33 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19236 * loop.c (strength_reduce): Insert sets of derived givs at every
19237 biv increment, even if it's the only one.
19239 Wed Jun 16 10:33:02 1999 Jason Merrill <jason@yorick.cygnus.com>
19241 * dwarfout.c (add_incomplete_type): New fn.
19242 (output_type): Call it.
19243 (retry_incomplete_types): New fn.
19244 (dwarfout_finish): Call it.
19246 From Eric Raskin <ehr@listworks.com>:
19247 (output_type): Output types for bases.
19249 Tue Jun 15 12:51:23 1999 Alexandre Oliva <oliva@dcc.unicamp.br>
19251 * mips.c (mips_output_conditional_branch): Add `break'
19252 between `default' label and `close braces'.
19254 Tue Jun 15 01:55:20 1999 David O'Brien <obrien@FreeBSD.org>
19256 * i386/freebsd-elf.h (LINK_SPEC): clean up the linking library
19257 specifications and make it realistic.
19258 (LIB_SPEC): Likewise.
19260 Mon Jun 14 15:38:43 1999 Jim Wilson <wilson@cygnus.com>
19262 * config/mips/mips.c (mips_secondary_reload_class): Check for
19263 (PLUS (SP) (REG)) and return appropriate register class.
19264 * config/mips/mips.md (reload_insi): Delete predicate for operand 1.
19265 Handle (PLUS (SP) (REG)).
19266 (tablejump): In mips16 code, use emit_insn instead of emit_jump_insn.
19267 (tablejump_mips161, tablejump_mips162): Use emit_jump_insn instead
19268 of emit_insn for tablejump.
19270 Mon Jun 14 17:26:40 1999 David Edelsohn <edelsohn@gnu.org>
19272 * rs6000.c (output_prolog): RS6000_CALL_GLUE must be
19273 asm_fprintf format string by itself.
19274 (output_function_profiler): Likewise.
19276 Mon Jun 14 12:57:38 1999 David Mosberger <davidm@hpl.hp.com>
19278 * combine.c (simplify_logical, case AND): Only call
19279 simplify_and_const_int if the mode is no wider than HOST_WIDE_INT
19280 or the constant is positive.
19282 Mon Jun 14 11:43:41 1999 Nick Clifton <nickc@cygnus.com>
19284 * configure.in: Fix typo in rs6000-ibm-aix4 case.
19285 * configure: Regenerate.
19287 Mon Jun 14 03:55:40 1999 Jeffrey A Law (law@cygnus.com)
19289 * configure.in (rs6000-ibm-aix4.3*, powerpc-ibm-aix4.3*): Do not
19290 require a sub-version #.
19291 * configure: Rebuilt.
19293 1999-06-14 Robert Lipe (robertlipe@usa.net)
19295 * svr4.h (DWARF2_DEBUGGING_INFO): Check for redefinition.
19297 Mon Jun 14 10:30:52 BST 1999 Nathan Sidwell <nathan@acm.org>
19299 * c-typeck.c (process_init_element): Detect excess elements in
19300 char array initializer.
19302 1999-06-14 Andreas Jaeger <aj@arthur.rhein-neckar.de>
19304 * gcc.texi: Mention gcc 2.96 instead of egcs 1.00.
19306 Sat Jun 12 22:29:48 EDT 1999 Jerry Quinn <jquinn@nortelnetworks.com>
19308 * invoke.texi (Option Summary): Add -fpermissive flag.
19310 Sat Jun 12 03:40:42 1999 Jeffrey A Law (law@cygnus.com)
19312 * sparc.h (LEGITIMIZE_RELOAD_ADDRESS): Do nothing with operands
19313 that require PIC code sequences.
19315 Wed Jun 9 16:29:01 1999 Nick Clifton <nickc@cygnus.com>
19317 * configure.in: Add new target: thumb-elf.
19318 * configure: Regenerate.
19319 * config/arm/t-thumb-elf: New file: Makefile fragment for
19321 * config/arm/telf.h: New file: Header file for thumb-elf
19324 Fri Jun 11 03:17:51 1999 Jeffrey A Law (law@cygnus.com)
19326 * Makefile.in (libgcc2): Pass MAYBE_USE_COLLECT2 as an argument.
19327 * libgcc2.c (__CTOR_LIST, __DTOR_LIST); Do not provide
19328 initializers is some circumstances.
19330 * fixinc/inclhack.def (endif_label): Add additional selector for
19331 more bogus stuff after #endif statements.
19332 * fixinc/inclhack.sh, fixinc/fixincl.x: Rebuilt.
19334 Thu Jun 10 20:44:36 1999 Mumit Khan <khan@xraylith.wisc.edu>
19336 * i386/cygwin.h (SET_ASM_OP): Define.
19338 Thu Jun 10 20:37:57 1999 Mumit Khan <khan@xraylith.wisc.edu>
19340 * reg-stack.c (stack_reg_life_analysis): Find all the RETURN insns.
19342 Thu Jun 10 19:23:00 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19344 * sh.h (TARGET_HARWARD, TARGET_HARVARD): Changed the former to the
19347 * sh.md (ic_invalidate_line_i): Remove second alternative.
19349 Thu Jun 10 06:55 1999 Bruce Korb <ddsinc09@ix.netcom.com>
19351 *fixinc/inclhack.def(sun_auth_proto): We do not know how to
19352 test for the presence of valid prototypes. Delete bypass expr.
19353 (ioctl_fix_ctrl): Correct the selection expression.
19354 (no_double_slash): Correct quoting rules
19355 *fixinc/fixincl.x: regen
19356 *fixinc/inclhack.sh: regen
19358 Thu Jun 10 15:08:15 1999 Nick Clifton <nickc@cygnus.com>
19360 * config/arm/arm.c (struct all_cores): Add ARM920 and ARM920t.
19362 Wed Jun 9 15:57:57 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
19364 * rs6000.md (movsi_got_internal_mem): Delete.
19365 * rs6000.h (CONDITIONAL_REGISTER_USAGE): Mark PIC_OFFSET_TABLE_REGNUM.
19366 (GOT_TOC_REGNUM): Delete.
19367 (PIC_OFFSET_TABLE_REGNUM): Define.
19368 (FINALIZE_PIC): Disable.
19369 * rs6000.c (rs6000_got_register): New code for fixed pic register.
19370 (rs6000_replace_regno): Delete.
19371 (rs6000_finalize_pic): Likewise.
19372 (output_prolog): Handle PIC_OFFSET_TABLE_REGNUM.
19374 Wed Jun 9 19:44:26 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19376 * loop.c (loop_insn_first_p): Don't compare LUIDs when P
19377 is a note; use <= for the compare; advance P while it is
19380 Wed Jun 9 13:12:24 1999 Jeffrey A Law (law@cygnus.com)
19382 * fixinc/inclhack.def (no_double_slash): Fix quoting for test.
19383 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh; Rebuilt.
19385 * varasm.c (remove_from_pending_weak_list): Verify t->name
19386 is non-NULL before passing it to strcmp.
19388 Wed Jun 9 06:50 1999 Bruce Korb <ddsinc09@ix.netcom.com>
19390 *fixinc/inclhack.def(sun_auth_proto): bypass the patch if
19391 the typed arguments are not part of a comment
19392 (ioctl_fix_ctrl): Added a purpose comment
19393 *fixinc/fixincl.x: regenerate
19394 *fixinc/inclhack.sh: regenerate
19396 Wed Jun 9 22:57:02 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19398 * invoke.texi: Add C4x invocation docs.
19400 Wed Jun 9 22:34:38 1999 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
19402 * config/c4x/c4x.h (TARGET_EXPOSE_LDP, LEGITIMIZE_RELOAD_ADDRESS):
19404 * config/c4x/c4x.c (c4x_emit_move_sequence, src_operand): Use
19406 (c4x_legitimize_reload_address): New function.
19407 * config/c4x/c4x.md: Update docs.
19409 Wed Jun 9 04:14:48 1999 Jeffrey A Law (law@cygnus.com)
19411 * fixincludes: Avoid removing '.'.
19412 * fixinc/fixinc.svr4: Likewise.
19413 * fixinc/fixinc.winnt: Likewise.
19414 * fixinc/inclhack.tpl: Likewise.
19415 * fixinc/fixincl.sh, fixinc/inclhack.sh: Rebuilt.
19417 1999-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19419 * fixinc/inclhack.def (sun_catmacro): Escape parens in the select
19421 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuilt.
19423 Wed Jun 9 03:10:34 1999 Mumit Khan <khan@xraylith.wisc.edu>
19425 * c-pragma.c (handle_pragma_token): Handle `#pragma pack()'
19428 Tue Jun 8 13:06:15 1999 Jim Wilson <wilson@cygnus.com>
19430 * configure.in (rs6000-ibm-aix4.[12]*): Change rx6000 to rs6000.
19431 * configure: Regenerate.
19433 Tue Jun 8 05:47:48 1999 Richard Earnshaw (rearnsha@arm.com)
19435 * optabs.c (expand_cmplxdiv_wide): Use expand_abs to get the absolute
19438 Mon Jun 7 22:30:37 1999 Jeffrey A Law (law@cygnus.com)
19440 * fixinc/inclhack.def (avoid_bool): Also catch
19441 "typedef [unsigned] int bool".
19442 * fixinc/inclhack.sh, fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
19444 * m68k/x-hp3bsd44: Delete obsolete and incorrect file.
19445 * configure.in (m68k-hp-bsd4.4): No longer use x-hp3bsd44.
19446 * configure: Rebuilt.
19448 Mon Jun 7 22:05:03 1999 Mark Kettenis <kettenis@gnu.org>
19450 * config/i386/gnu.h: Include <gnu.h> right after <i386/linux.h>,
19451 such that we can override its definitions if necessary.
19452 (CPP_SPEC): New define. Support processor specific predefines via
19454 (CC1_SPEC): New define. Support processor specific compiler
19455 options via %(cc1_cpu).
19456 (STARTFILE_SPEC): New define. Use crt0.o instead of crt1.o for
19459 1999-06-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19461 * fixinc/inclhack.def (math_gcc_ifndefs): Insert whitespace
19462 between sed's -e flag, and the open-quote following it.
19463 * fixinc/fixincl.x, fixinc/fixincl.sh: Rebuilt.
19465 Mon Jun 7 20:34:20 1999 Robert Lipe <robertlipe@usa.net>
19466 Jeffrey A Law (law@cygnus.com)
19468 * varasm.c (assemble_start_function): Remove the function
19469 from the pending weak decls list when we define a function.
19470 (assemble_variable): Similarly for variables.
19471 (weak_finish): Ignore items on the list with a NULL name.
19472 (remove_from_ending_weak_list); New function to "remove" an item
19473 from the pending weak declarations list.
19475 Mon Jun 7 19:27:07 1999 Jerry Quinn <jquinn@nortelnetworks.com>
19477 * pa.md (fmpyfadd, fmpynfadd, fnegabs): New patterns.
19479 Mon Jun 7 14:07:39 1999 Dave Brolley <brolley@cygnus.com>
19481 * c-lex.c (GETC): Redefine to call getch.
19482 (UNGETC): Redefine to call put_back.
19483 (putback_buffer): New structure type.
19484 (putback): New static structure.
19485 (getch): New function.
19486 (put_back): New function.
19487 (yylex): Replace unused bytes from bad multibyte character.
19489 Mon Jun 7 13:33:39 1999 Dave Brolley <brolley@cygnus.com>
19491 * cpplib.c (do_define): Cast `alloca' return value.
19492 (do_include, do_undef, do_pragma): Likewise.
19493 * cpphash.c (dump_definition): Cast `xstrdup' and `alloca' return
19495 * cppfiles.c (initialize_input_buffer): Cast `xmalloc' return values.
19496 * gcc/cppspec.c (lang_specific_driver): Cast xmalloc return value.
19498 Sun Jun 6 11:58:34 1999 Jakub Jelinek <jj@ultra.linux.cz>
19500 * sparc.md (abstf2): This should be an expand.
19501 (split after abstf2_notv9): Fix mode.
19502 (abstf2_hq_v9): New pattern.
19503 (abstf2_v9): Only use when no hard quad.
19504 (absdf2_v9): Fix if target is not the same as source.
19505 (ashrsi3_extend, ashrsi3_extend2, lshrsi3_extend, lshrsi3_extend2):
19506 Add correct output constraints.
19508 Sat Jun 5 17:04:16 1999 Craig Burley <craig@jcb-sc.com>
19510 From Dave Love to egcs-patches on 20 May 1999 17:38:38 +0100:
19511 * invoke.texi: Clarify text vis-a-vis Intel CPUs.
19513 Sat Jun 5 12:11:24 1999 Mark Mitchell <mark@codesourcery.com>
19515 * mips.h (mips_output_conditional_branch): New function.
19516 (mips_adjust_insn_length): Likewise.
19517 (ASSEMBLER_SCRATCH_REGNUM): New macro.
19518 (ADJUST_INSN_LENGTH): Likewise.
19519 * mips.c (print_operand): Add `F' and `W' for floating-point
19520 comparison opcodes.
19521 (machine_dependent_reorg): Adjust MIPS16 code; instruction-lengths
19523 (mips_adjust_insn_length): New function.
19524 (mips_output_conditional_branch): New function.
19525 * mips.md (length): Adjust attribute definition to handle
19526 conditional branches. Change lengths to bytes, rather than
19527 instructions throughout. Remove length attribute from
19528 instructions whose length is four bytes, and rely on the default
19530 (dslot): Fix typo in comment.
19531 Reword conditional branch patterns to use
19532 mips_output_conditional_branch.
19534 Fri Jun 4 13:30:27 1999 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
19536 * alpha/osf.h (CPP_SUBTARGET_SPEC): Handle -threads.
19537 (LIB_SPEC): Likewise.
19538 Link with -lprof1_r for -g/-pg.
19540 1999-06-04 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
19542 * loop.c (check_dbra_loop): Fix change of Jan 19.
19544 Fri Jun 4 00:12:40 1999 Marc Espie <espie@cvs.openbsd.org>
19546 * freebsd-elf.h (SWITCH_TAKES_ARG): Redefine, not define.
19547 (STARTFILE_SPEC): Define, override the svr4.h version.
19548 (ENDFILE_SPEC): Likewise.
19550 Thu Jun 3 23:58:55 1999 Jeffrey A Law (law@cygnus.com)
19552 * fixinc/inclhack.def (limits_ifndefs): Also apply to sys/limits.h
19553 * fixinc/fixincl.x: Regenerated.
19554 * fixinc/inclhack.sh: Regenerated.
19556 Fri Jun 4 05:42:23 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19558 * sh.c (barrier_align): Don't return early for normal branch/barrier
19559 when optimizing for SH2.
19561 Thu Jun 3 22:27:50 1999 Robert Lipe <robertlipe@usa.net>
19563 * i386/udk.h (LINK_SPEC): Correct linker search path for
19566 Fri Jun 4 03:20:40 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19568 * sh.c (fixup_addr_diff_vecs): Emit braf reference label.
19569 (braf_label_ref_operand): Delete.
19570 * sh.h (PREDICATE_CODES): Remove braf_label_ref_operand.
19571 * sh.md (casesi_jump_2): Operand1 is now the inside of a
19572 label_ref, and has no predicate.
19573 The patten has a predicate to guard against invalid substitutions.
19574 (dummy_jump): Delete.
19575 (casesi): Update use of casesi_jump_2.
19577 Thu Jun 3 07:48 1999 Bruce Korb <ddsinc09@ix.netcom.com>
19579 *fixinc/inclhack.def(Io_Def_Quotes): corrected sed expression
19580 *fixinc/fixincl.x: regenerate
19581 *fixinc/inclhack.sh: regenerate
19583 Thu Jun 3 02:15:07 1999 Jason Merrill <jason@yorick.cygnus.com>
19585 * dwarf2out.c (add_incomplete_type): New fn.
19586 (gen_struct_or_union_type_die): Call it.
19587 (retry_incomplete_types): New fn.
19588 (dwarf2out_finish): Call it.
19590 Thu Jun 3 01:19:03 1999 Jeffrey A Law (law@cygnus.com)
19592 * gcse.c (insert_insn_end_bb): Correct placement of insns when the
19593 current block starts with a CODE_LABEL and ends with a CALL and
19594 we can not find all the argument setup instructions for the CALL.
19596 Wed Jun 2 15:44:15 1999 Mark Mitchell <mark@codesourcery.com>
19598 Revert this change:
19599 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
19600 something is a candidate for optimize_bit_field_compare.
19602 Wed Jun 2 21:53:05 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19604 * sh.h (CONST_OK_FOR_I, CONST_OK_FOR_L): Cast VALUE to HOST_WIDE_INT.
19606 Wed Jun 2 12:25:55 1999 Richard Henderson <rth@cygnus.com>
19608 * alpha.c (override_options): Thinko in last patch.
19610 * alpha/osf.h (CPP_SUBTARGET_SPEC): Define.
19611 (LIB_SPEC): Recognize -pthread.
19613 Wed Jun 2 08:42:55 1999 Nick Clifton <nickc@cygnus.com>
19615 * config/arm/tcoff.h (USER_LABEL_PREFIX): Synchronise with
19616 definition in config/arm/coff.h
19617 * config/arm/coff.h: Add comment about USER_LABEL_PREFIX.
19619 Wed Jun 2 07:07 1999 Bruce Korb <ddsinc09@ix.netcom.com>
19621 * fixinc/fixincl.c(global def): Add FD_SHELL_SCRIPT to mark
19622 fixes that need "file=xxx\n" prepended before invocation
19623 (start_fixer - new): starting the fixer process is complex enough
19624 to warrent its own routine. It prepends the "file=xxx\n" stuff.
19625 (process): uses the new routine; omit usage of putenv()
19626 * fixinc/fixincl.tpl: mark shell scripts with FD_SHELL_SCRIPT
19627 * fixinc/fixincl.x: regenerate
19629 Wed Jun 2 02:29:07 1999 Jeffrey A Law (law@cygnus.com)
19631 * README, configure.in, gcc.1, gcc.texi: Update name (egcs -> gcc)
19632 and version #s (1.1 -> 2.96) as needed.
19633 * README.g77: Kill way out of date file in the toplevel directory.
19635 Wed Jun 2 00:52:34 1999 David O'Brien <obrien@FreeBSD.org>
19637 * configure.in (i[34567]86-*-freebsdelf): Don't include linux.h,
19638 i386/freebsd-elf.h no longer requires it. Instead include svr4.h.
19639 * configure: Rebuilt.
19640 * i386/freebsd-elf.h (DEFAULT_VTABLE_THUNKS): Define.
19641 (ASM_COMMENT_START, ASM_APP_ON, ASM_APP_OFF, SET_ASM_OP): Likewise.
19642 (PREFERRED_DEBUGGING_TYPE, WCHAR_UNSIGNED): Likewise.
19643 (SWITCH_TAKES_ARG): Likewise.
19644 * i386/freebsd.h: Remove FREEBSD_NATIVE support.
19645 * config/t-freebsd: Moved from config/i386/ so it can used for all
19648 Mon May 31 02:22:55 1999 Philippe De Muyter <phdm@macqel.be>
19650 * m68k/x-mot3300 (XCFLAGS): Fixed to match stb.o, not f/stb.o.
19652 Wed Jun 2 00:08:34 1999 Robert Lipe <robertlipe@usa.net>
19654 * configure.in (i[34567]86-*-udk*): Install headers with cpio.
19655 * configure: Rebuilt.
19657 Tue Jun 1 19:06:22 1999 David Edelsohn <edelsohn@gnu.org>
19659 * rs6000/aix41.h (RS6000_CALL_GLUE): Define.
19660 * rs6000/aix43.h (RS6000_CALL_GLUE): Likewise.
19661 * rs6000/rs6000.c (rs6000_file_start): Use putc.
19662 (rs6000_output_load_toc_table): Same.
19663 (output_prolog, output_mi_thunk): Same.
19664 * rs6000/rs6000.h (SELECT_SECTION): Formatting.
19665 (ASM_GLOBALIZE_LABEL): Use putc.
19667 Mon May 31 15:23:23 1999 Richard Henderson <rth@cygnus.com>
19669 * alpha.md (reload_*_help): New patterns and splitters.
19670 (reload_*): Use them.
19671 (mov[qh]i): Likewise.
19673 Mon May 31 11:48:07 1999 Mark Mitchell <mark@codesourcery.com>
19675 * cccp.c (handle_directive): Handle backslash-newlines in quoted
19678 Mon May 31 09:36:11 1999 Cort Dougan <cort@cs.nmt.edu>
19680 * rs6000/linux.h (LINK_SPEC): Use emulation elf32ppclinux.
19682 Mon May 31 11:40:20 EDT 1999 John Wehle (john@feith.com)
19684 * flow.c (mark_regs_live_at_end, insn_dead_p,
19685 mark_set_1, mark_used_regs): Only give FRAME_POINTER_REGNUM
19686 and HARD_FRAME_POINTER_REGNUM special treatment if reload
19687 hasn't run or the frame pointer is needed.
19688 * haifa-sched.c (attach_deaths): Likewise.
19689 * sched.c (attach_deaths): Likewise.
19691 Mon May 31 00:46:17 1999 Jeffrey A Law (law@cygnus.com)
19693 * jump.c (jump_optimize_1): Only set CAN_REACH_END if
19694 calculate_can_reach_end returns nonzero.
19696 * configure.in (native gas tests): Search for an assembler in the
19697 same manner that the installed compiler will.
19698 * configure: Rebuilt.
19699 * tm.texi (MD_EXEC_PREFIX): Note need to update configure.in too.
19701 * alias.c (find_base_term): Improve handling of addresses
19702 constructed from binary operations.
19704 Sun May 30 14:29:17 1999 Eric Raskin (ehr@listworks.com)
19706 * dgux.h (STARTFILE_SPEC): Fix incorrectly matched curly-braces.
19708 Sun May 30 14:19:13 1999 Jeffrey A Law (law@cygnus.com)
19710 * function.h (cleanup_label, frame_offset): Declare.
19711 (tail_recursion_label, tail_recursion_reentry): Likewise.
19712 (arg_pointer_save_area, rtl_expr_chain): Likewise.
19713 * stmt.c (cleanup_label, frame_offset): Delete extern declarations.
19714 (tail_recursion_label, tail_recursion_reentry): Likewise.
19715 (arg_pointer_save_area, rtl_expr_chain): Likewise.
19717 Sat May 29 19:08:10 1999 Philip Blundell <philb@gnu.org>
19719 * config/arm/aout.h (ASM_OUTPUT_ALIGN): Only define if not already
19721 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Define.
19722 (MAX_OFILE_ALIGNMENT): Define.
19724 Fri May 28 21:40 1999 Robert Lipe <robertlipe@usa.net>
19726 * fixincl.c: Replace local include scheme with #includes of
19727 gansidecl.h and system.h.
19728 * procopen.c: Likewise.
19729 * server.c: Likewise.
19731 Fri May 28 03:47:03 1999 Eric Raskin (ehr@listworks.com)
19733 * i386/t-dgux (EXTRA_PARTS): Add crti.o
19734 (crti.o): Add build rule and dependencies.
19735 * fixinc/fixinc.dgux: Use modified _int_varargs.h
19737 Fri May 28 03:41:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
19739 * rs6000/sysv4.h (CC1_SPEC): Add support for -profile
19740 (LIB_LINUX_SPEC): Likewise.
19741 (LIB_LINUX_SPEC): Add support for -pthread
19742 (CPP_OS_LINUX_SPEC): Likewise.
19743 (CPP_SYSV_SPEC): Avoid redefinitions if both -fpic and -fPIC are
19746 Thu May 27 13:04:52 1999 H.J. Lu (hjl@gnu.org)
19748 * i386.c (output_fp_cc0_set): Don't check the JUMP_INSN code for
19750 (notice_update_cc, output_float_compare): Enable TARGET_CMOVE support.
19751 (output_float_compare, output_fp_cc0_set): Fix the FLOAT comparison
19752 for IEEE math and CC_FCOMI.
19753 (put_jump_code): No IEEE if CC_FCOMI is set.
19755 1999-05-27 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
19757 * fold-const.c (fold_truthop): Make the field reference unsigned
19758 when converting a single bit compare.
19760 Thu May 27 02:40:48 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19762 * loop.c (strength_reduce): Don't do biv->giv conversion on constants.
19764 Thu May 27 02:09:27 1999 Jeffrey A Law (law@cygnus.com)
19766 * varasm.c (STRIP_NAME_ENCODING): Remove default definition.
19767 * output.h (STRIP_NAME_ENCODING): Strip '*' like the old varasm
19770 * reload.c (push_reload): Do not call remove_address_replacements
19771 when presented with identical optional reloads.
19773 Wed May 26 14:18:05 1999 Richard Henderson <rth@cygnus.com>
19775 * alpha.h (MASK_FIX, TARGET_FIX): New.
19776 (MASK_*): Reorganize constants.
19777 (CPP_AM_FIX_SPEC): New.
19778 (TARGET_SWITCHES): Add FIX.
19779 (EXTRA_SPECS): Likewise.
19780 (CPP_CPU_EV6_SPEC): Use FIX, not CIX.
19781 (SECONDARY_MEMORY_NEEDED): Likewise.
19782 (REGISTER_MOVE_COST): Likewise.
19783 * alpha.c (override_options): Add FIX support. Always use
19784 ALPHA_TP_PROG for ev6.
19785 * alpha.md (sqrt and mov[sd]i patterns): Use FIX, not CIX.
19786 * alpha/elf.h (ASM_FILE_START): Look at FIX too.
19787 * configure.in (target_cpu_default2) [ev6]: Use FIX, not CIX.
19789 Wed May 26 09:53:05 1999 Mark Mitchell <mark@codesourcery.com>
19791 * fold-const.c (fold): STRIP_NOPS when deciding whether or not
19792 something is a candidate for optimize_bit_field_compare.
19794 Wed May 26 09:40:02 1999 Mark Mitchell <mark@codesourcery.com>
19796 * gcc.texi (Passes): Document branch-shortening.
19797 * invoke.texi (Debugging Options): Document the fact that `-dp'
19798 outputs length information for instructions.
19800 Wed May 26 08:49:31 1999 Nick Clifton <nickc@cygnus.com>
19802 * flow.c: Revert previous delta.
19804 Wed May 26 06:05:10 1999 Nick Clifton <nickc@cygnus.com>
19806 * flow.c (insn_dead_p): Check against frame_pointer_rtx not
19807 FRAME_POINTER_REGNUM.
19808 (mark_set_1): Ditto.
19809 (mark_used_regs): Ditto.
19811 Wed May 26 02:19:31 1999 Philip Blundell <pb@nexus.co.uk>
19813 * arm.h (NEED_PLT_GOT): Fix mistake in last change.
19814 (GOT_PCREL): New macro. Define to 1 if not already defined.
19815 * arm/elf.h (GOT_PCREL): Define to 0.
19816 * arm.c (arm_finalize_pic): Take into account the setting of
19819 Tue May 25 14:06:06 1999 Jeffrey A Law (law@cygnus.com)
19821 * output.h (STRIP_NAME_ENCODING): Provide default definition.
19822 * dwarf2out.c (ASM_NAME_TO_STRING): Use STRIP_NAME_ENCODING.
19824 * flow.c (mark_set_1): Do not record BLKmode stores as dead
19825 store elimination candidates.
19827 Tue May 25 08:55:57 1999 Gavin Romig-Koch <gavin@cygnus.com>
19829 * config/mips/mips.h (ASM_OUTPUT_DOUBLE_INT) : Use 'dword' if
19832 Mon May 24 20:30:08 1999 Jim Wilson <wilson@cygnus.com>
19834 * configure.in (rs6000-ibm-aix4.[12]*): Delete use of aix41-gld.h.
19835 Add use of x-aix41-gld.
19837 Mon May 24 16:44:09 1999 Jakub Jelinek <jj@ultra.linux.cz>
19839 * sparc/linux64.h (ASM_OUTPUT_CONSTRUCTOR): Define.
19840 (ASM_OUTPUT_DESTRUCTOR): Define.
19842 Mon May 24 14:35:24 1999 Jeffrey A Law (law@cygnus.com)
19844 * loop.c (strength_reduce): Do not clear NOT_EVERY_ITERATION at the
19845 last CODE_LABEL in a loop if we have previously passed a jump
19846 to the top of the loop.
19848 Mon May 24 07:56:29 1999 Nick Clifton <nickc@cygnus.com>
19850 * config/arm/arm.h (OUTPUT_INT_ADDR_CONST): Fix blunder made when
19851 applying Philip's patch.
19853 Mon May 24 01:02:12 1999 Mark Mitchell <mark@codesourcery.com>
19855 * stmt.c (expand_end_bindings): Ignore any elements of VARS that
19858 Sun May 23 20:31:16 1999 Jeffrey A Law (law@cygnus.com)
19860 * loop.c (strength_reduce): Grow reg_single_usage as needed.
19862 Sun May 23 10:13:20 1999 David O'Brien <obrien@FreeBSD.org>
19864 * i386/freebsd-elf.h (LINK_SPEC): Change -static to -Bstatic.
19865 Also remove a useless comment.
19867 Sun May 23 10:05:23 1999 Jerry Quinn <jquinn@nortelnetworks.com>
19869 * pa.md (negdf2,negsf2): Use fneg instead of fsub on pa 2.0.
19871 Sat May 22 21:02:06 1999 David Edelsohn <edelsohn@gnu.org>
19873 * collect2.c (main): Only generate import or export file and add
19874 to link arguments if non-empty. Use xmalloc not alloca.
19875 (write_{export,import}_file): Delete.
19876 (write_aix_file): New function.
19877 (locatelib): Use xmalloc not malloc.
19878 (GCC_OK_SYMBOL): Do not check type if aix64.
19880 Sat May 22 09:35:51 1999 Philip Blundell <pb@nexus.co.uk>
19882 Based on patch by Scott Bambrough and Pat Beirne:
19883 * config/arm/arm.c (making_const_table): New variable.
19884 * config/arm/arm.h (making_const_table): Declare.
19885 (OUTPUT_INT_ADDR_CONST): Mark symbols as position independent if
19887 * config/arm/arm.md (consttable_4, consttable_8, consttable_end):
19888 Keep track of when we are building the constant table.
19890 Sat May 22 09:34:22 1999 Philip Blundell <pb@nexus.co.uk>
19892 * config/arm/arm.c (arm_override_options): Fix erroneous warning
19895 Sat May 22 09:06:33 1999 Nick Clifton <nickc@cygnus.com>
19897 * config/arm/arm.h (NEED_PLT_GOT): Only define if not already
19900 Sat May 22 07:17:05 1999 Nick Clifton <nickc@cygnus.com>
19902 * tm.texi (FUNCTION_ARG): Correct description of a stack element
19905 Sat May 22 01:27:49 1999 Mark Mitchell <mark@codesourcery.com>
19907 * expr.h (lang_expand_constant): Guard with #ifdef TREE_CODE.
19909 Fri May 21 21:19:02 1999 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
19911 * rs6000.c (output_mi_thunk): Enable full support again.
19913 Fri May 21 20:09:52 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
19915 * sh.h (BRANCH_COST): Define.
19917 Thu May 20 10:00:42 1999 Stephen L Moshier <moshier@world.std.com>
19919 * Makefile.in (GCC_FOR_TARGET): Add -I$(build_tooldir)/include.
19921 Thu May 20 09:58:57 1999 Jan Hubicka <hubicka@freesoft.cz>
19923 * function.c (assign_stack_local): Align stack slot propertly.
19924 (assign_outer_stack_local): Likewise.
19926 Thu May 20 10:38:43 1999 Mark Mitchell <mark@codesourcery.com>
19928 * expr.h (lang_expand_constant): Declare.
19929 * toplev.c (lang_expand_constant): Define it.
19930 * varasm.c (output_constant): Use it.
19932 Thu May 20 11:28:53 1999 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
19934 * optabs.c (expand_cmplxdiv_straight, expand_cmplxdiv_wide):
19935 Change function definitions to K&R style.
19937 Thu May 20 08:16:39 1999 Bruce Korb <ddsinc09@ix.netcom.com>
19939 * fixinc/fixincl.c: We must not ignore SIGCLD now.
19941 Thu May 20 07:06:39 1999 Alexandre Oliva <aoliva@acm.org>
19943 * fixinc/Makefile.in(gnu-regex.o): add $(INCLUDES) to compile options
19944 * fixinc/fixincl.c(wait_for_pid): K&R-ify arguments
19945 (several places): omit static initialization
19946 (process): use single fd, since only the read fd is used
19947 * fixinc/gnu-regex.c: define 'const' away, if not supported
19948 * fixinc/procopen.c(several places): omit static initialization
19949 * fixinc/server.c: define 'volitile' away, if not supported
19951 1999-05-20 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
19953 * config/dbxcoff.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Use
19954 asm_fprintf and %L to generate the label name.
19955 * config/dbxelf.h (DBX_OUTPUT_MAIN_SOURCE_FILE_END): Likewise.
19956 (ASM_OUTPUT_SOURCE_LINE): Correct generation of internal labels.
19958 Thu May 20 01:40:55 1999 Jeffrey A Law (law@cygnus.com)
19960 * jump.c (can_reverse_comparison_p): Do not abort if the comparison
19961 insn for a conditional jump can not be found.
19963 Wed May 19 23:58:58 1999 Jeffrey A Law (law@cygnus.com)
19965 * mips.h (ENCODE_SECTION_INFO): Do not perform GP optimizations
19966 on variables in specific sections other than .sbss and .sdata.
19968 Wed May 19 03:56:56 1999 Mark Mitchell <mark@codesourcery.com>
19970 * stmt.c (expand_return): Call start_cleanup_deferral and
19971 end_cleanup_deferral around conditional code.
19973 Wed May 19 08:40:08 1999 Bruce Korb <ddsinc09@ix.netcom.com>
19975 * fixinc/fixincl.tpl: Avoid depending on ANSI C features for
19976 filename lists. Utilizes new "krstr" AutoGen function.
19977 * fixinc/fixincl.x: Rebuilt.
19979 Wed May 19 02:47:11 1999 Jan Hubicka (hubicka@freesoft.cz)
19981 * i386.c (output_float_compare): Avoid GNU-C extensions.
19983 Wed May 19 00:34:40 1999 Jeffrey A Law (law@cygnus.com)
19985 * version.c: Bump to distinguish mainline tree from the
19988 See ChangeLog.1 for earlier changes.