1 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
3 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
4 (c-semantics.o): New target.
6 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
7 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
8 (genrtl_clear_out_block): Likewise.
9 (genrtl_goto_stmt): Likewise.
10 (genrtl_expr_stmt): Likewise.
11 (genrtl_decl_stmt): Likewise.
12 (genrtl_if_stmt): Likewise.
13 (genrtl_while_stmt): Likewise.
14 (genrtl_do_stmt): Likewise.
15 (genrtl_return_stmt): Likewise.
16 (genrtl_for_stmt): Likewise.
17 (genrtl_break_stmt): Likewise.
18 (genrtl_continue_stmt): Likewise.
19 (genrtl_scope_stmt): Likewise.
20 (genrtl_switch_stmt): Likewise.
21 (genrtl_case_label): Likewise.
22 (genrtl_begin_compound_stmt): Likewise.
23 (gerntl_finish_compound_stmt): Likewise.
24 (genrtl_compound_stmt): Likewise.
25 (genrtl_asm_stmt): Likewise.
26 (genrtl_decl_cleanup): Likewise.
27 (DECL_ANON_UNION_ELEMS): Likewise.
28 (emit_local_var): Likewise.
29 (make_rtl_for_local_static): Likewise.
30 (expand_cond): Likewise.
31 (expand_stmt): Likewise.
32 (c_expand_return): Likewise.
33 (c_expand_start_case): Likewise.
35 (COMPOUND_STMT_NO_SCOPE): Likewise.
36 (c_expand_asm_operands): Likewise.
37 (NEW_FOR_SCOPE_P): New macro.
38 (expand_expr_stmt_fn): New type.
40 (set_current_function_name_declared): Likewise.
41 (current_function_name_declared): Likewise.
42 (lang_expand_stmt): Likewise.
43 (stmts_are_full_exprs_p): Likewise.
44 (anon_aggr_type_p): Likewise.
45 (lang_expand_expr_stmt): Likewise.
46 (build_case_label): Likewise.
48 * c-decl.c (lang_expand_expr_stmt): Initialize.
49 (stmts_are_full_exprs_p): Define.
50 (current_function_name_declared): Likewise.
52 (lang_expand_stmt): Likewise.
53 (set_current_function_name_declared): Likewise.
54 (anon_aggr_type_p): Likewise.
55 (build_case_label): Likewise.
57 * c-semantics.c: New file.
58 (expand_cond): Moved from cp/semantics.c.
59 (genrtl_do_pushlevel): Likewise.
60 (genrtl_clear_out_block): Likewise.
61 (genrtl_goto_stmt): Likewise.
62 (genrtl_expr_stmt): Likewise.
63 (genrtl_decl_stmt): Likewise.
64 (genrtl_if_stmt): Likewise.
65 (genrtl_while_stmt): Likewise.
66 (genrtl_do_stmt): Likewise.
67 (genrtl_return_stmt): Likewise.
68 (genrtl_for_stmt): Likewise.
69 (genrtl_break_stmt): Likewise.
70 (genrtl_continue_stmt): Likewise.
71 (genrtl_scope_stmt): Likewise.
72 (genrtl_switch_stmt): Likewise.
73 (genrtl_case_label): Likewise.
74 (genrtl_begin_compound_stmt): Likewise.
75 (genrtl_finish_compound_stmt): Likewise.
76 (genrtl_compound_stmt): Likewise.
77 (genrtl_asm_stmt): Likewise.
78 (genrtl_decl_cleanup): Likewise.
79 (make_rtl_for_local_static): Moved from cp/decl.c.
80 (emit_local_var): Likewise.
81 (expand_stmt): Define.
83 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
84 (c_expand_return): Likewise.
85 (c_expand_start_case): Likewise.
87 2000-07-01 Richard Henderson <rth@cygnus.com>
89 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
90 with the low 13 bits set.
91 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
92 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
93 of the low 13 bits into a CONST plus an adddi3.
94 (load_symptr): Set RTX_UNCHANGING_P.
96 2000-06-30 Mark Mitchell <mark@codesourcery.com>
98 * Makefile.in (c-common.o): Don't depend on c-tree.h or c-lex.h.
99 * c-common.c (ridpointers): Declare.
100 * c-common.h (enum rid): Declare.
102 (ridpointers): Likewise.
103 * c-lex.c (ridpointers): Don't declare.
104 (init_lex): Initialize ridpointers.
105 * c-lex.h (enum rid): Don't declare.
107 (RID_FIRST_MODIFIER): Likewise.
108 (ridpointers): Likewise.
110 2000-06-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
112 * pa/som.h (ASM_WEAKEN_LABEL): Export weak data symbols so that they
115 2000-06-30 Martin von Loewis <loewis@informatik.hu-berlin.de>
117 * invoke.texi (-Wreturn-type): In C++, a missing return type is
120 2000-06-30 Catherine Moore <clm@cygnus.com>
122 * c-common.c (decl_attributes): Differentiate between
123 types and type decls for alignment.
125 2000-06-30 Nathan Sidwell <nathan@codesourcery.com>
127 * cpp.texi: Document #pragma GCC dependency
128 * cppfiles.c (open_include_file): Set date to unknown.
129 (_cpp_compare_file_date): New function.
130 (read_include_file): Set file date.
131 * cpphash.h (struct include_file): Add date member.
132 (_cpp_compare_file_date): Prototype.
133 * cpplib.c (parse_include): Add trail parameter. Adjust.
134 (do_include): Adjust parse_include call.
135 (do_import): Likewise.
136 (do_include_next): Likewise.
137 (gcc_pragmas): Add dependency pragma.
138 (do_pragma_dependancy): New pragma.
140 2000-06-29 Jason Merrill <jason@redhat.com>
142 * dwarf2out.c (output_loc_operands): Don't abort on codes that have
145 2000-06-29 Jim Wilson <wilson@cygnus.com>
147 * config/ia64/ia64.h (PREFERRED_RELOAD_CLASS): Return NO_REGS for
148 a volatile mem and FR_REGS.
150 2000-06-29 Mark Mitchell <mark@codesourcery.com>
152 * c-common.c: Include c-common.h, not c-lex.h or c-tree.h.
153 * c-common.h (flag_const_strings): Declare.
154 (warn_format): Likewise.
155 (flag_traditional): Likewise.
156 (flag_isoc99): Likewise.
157 (warn_parentheses): Likewise.
158 (warn_conversion): Likewise.
159 (C_TYPE_OBJECT_P): Likewise.
160 (C_TYPE_INCOMPLETE_P): Likewise.
161 (C_TYPE_FUNCTION_P): Likewise.
162 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
163 (C_EXP_ORIGINAL_CODE): Likewise.
164 (build_unary_op): Likewise.
165 (build_binary_op): Likewise.
166 (lvalue_p): Likewise.
167 (default_conversion): Likewise.
168 (common_type): Likewise.
169 * c-tree.h (C_TYPE_OBJECT_P): Remove.
170 (C_TYPE_INCOMPLETE_P): Likewise.
171 (C_TYPE_FUNCTION_P): Likewise.
172 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
173 (C_EXP_ORIGINAL_CODE): Likewise.
174 (common_type): Likewise.
175 (default_conversion): Likewise.
176 (build_binary_op): Likewise.
177 (build_unary_op): Likewise.
178 (lvalue_p): Likewise.
179 (flag_const_strings): Likewise.
180 (warn_format): Likewise.
181 (warn_conversion): Likewise.
182 (flag_traditional): Likewise.
183 (flag_isoc99): Likewise.
184 (warn_parentheses): Likewise.
186 2000-06-29 James E. Wilson <wilson@cygnus.com>
188 * config/ia64/linux.h (LINK_SPEC): Change so.1 to so.2.
190 * config/ia64/ia64.h (MODES_TIEABLE_P): Only tie if mode class is the
191 same. Only tie XFmode with XFmode.
193 2000-06-29 Zack Weinberg <zack@wolery.cumb.org>
195 * c-decl.c, timevar.c, tlink.c: Include intl.h.
196 * Makefile.in: Update deps.
198 2000-06-29 Andrew Haley <aph@cygnus.com>
200 * toplev.c (main): On an IA-64, make flag_unwind_tables defauit
203 2000-06-29 Andrew Haley <aph@cygnus.com>
205 * config/ia64/linux.h (JMP_BUF_SIZE): Size is in Pmode units, not
206 bytes: remove the multiply by 8.
208 2000-06-29 Philipp Thomas <pthomas@suse.de>
210 * rtl.c : Revert NLS changes.
211 * gcc.c : Fix bug in display_help introced by my last changes.
213 Wed Jun 28 21:09:33 2000 Raja R Harinath <harinath@cs.umn.edu>
215 * dbxout.c (dbxout_symbol, case RESULT_DECL, VAR_DECL): Use
216 DECL_CONTEXT, not DECL_FIELD_CONTEXT.
218 2000-06-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
220 * flow.c (flow_depth_first_order_compute): Fix algorithm.
222 2000-06-28 Philipp Thomas <pthomas@suse.de>
224 * c-decl.c : Mark strings for translation.
225 (parmlist_tags_warning): Use distinct messages instead
226 of conditional expressions.
227 * diagnostic.c (v_message_with_decl): Mark string for translation.
228 * gcc.c: Mark messages for translation.
229 (display_help): Combine messages into one string where necessary.
230 * mips-tfile: Add intl.h. Mark messages for translation.
231 * rtl.c (fatal_with_file_and_line): Modify function for NLS. Mark
232 messages for translation.
233 * timevar.c: Mark messages for translation.
235 * toplev.c: Likewise.
237 Wed Jun 28 15:39:26 2000 Donn Terry (donnte@microsoft.com)
239 * i386-interix.h (STRIP_NAME_ENCODING): Declare _new_name properly.
241 * alpha/alpha-interix.h: Delete redundant -Asystem(interix),
242 use -isystem instead of -idirafter.
243 * i386/i386-interix.h: Likewise.
245 2000-06-28 Jason Merrill <jason@redhat.com>
247 * dwarf2out.c (output_loc_operands): Don't support >1 byte output
248 unless DWARF2_DEBUGGING_INFO is defined.
249 (ASM_OUTPUT_DWARF_*): Wrap normal output defs with #ifndefs.
251 2000-06-28 Richard Henderson <rth@cygnus.com>
253 * config/alpha/alpha.c (summarize_insn): Ignore SCRATCH.
255 2000-06-28 Jakub Jelinek <jakub@redhat.com>
257 * cpplex.c (output_line_command): Output correct #line if a header
258 is including itself and is not protected against multiple inclusion.
260 2000-06-28 Zack Weinberg <zack@wolery.cumb.org>
262 * cppfiles.c (open_include_file): If open(2) returns EMFILE or
263 ENFILE, close all cached file descriptors and try again.
264 (_cpp_execute_include): Keep a count of the number of times
265 each header is included.
266 (close_cached_fd): New function.
267 * cpphash.h (struct include_file): Rename before to
268 include_count; all users updated. Make include_count and sysp
270 * cppinit.c (cpp_finish): If -H, report headers that could use
272 (report_missing_guard): New function.
274 Wed Jun 28 14:46:58 MET DST 2000 Jan Hubicka <jh@suse.cz>
276 * i386.md (prologue_set_got): Set length_immediate field.
277 (testqi_ccno_1): Add missing '@' character.
279 2000-06-27 Jason Merrill <jason@redhat.com>
281 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Use
284 2000-06-27 Andrew Macleod <amacleod@cygnus.com>
286 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA2): Provide default when no
287 unsigned macros available.
289 2000-06-27 Richard Henderson <rth@cygnus.com>
291 * config/ia64/ia64.c (emit_insn_group_barriers): Special case
292 epilogue_deallocate_stack.
294 * config/ia64/ia64.c (ia64_print_operand) [case D]: Emit
295 completers for UNORDERED and ORDERED as well.
296 * config/ia64/ia64.md (bunordered, bordered): New.
297 (sunordered, sordered): New.
299 Tue Jun 27 12:14:12 MET DST 2000 Jan Hubicka <jh@suse.cz>
301 * genattrtab.c (write_attr_value): Do not abort for CONST_INT operands.
302 * i386.c (ix86_attr_length_default): Kill.
303 (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
305 * i386-protos.h (ix86_attr_length_default): Kill
306 (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
308 * i386.md (attribute type): Add "test".
309 (attribute length_prefix): Kill.
310 (attribute length_opcode): Kill.
311 (attribute i387, mode, length_immediate, length_address, prefix_data16,
312 prefix_rep, prefix_0f, modrm): New.
313 (attribute length): Compute using the new attributes.
314 (attribute pent_prefix): New.
315 (attribute pent_pair): Compute using pent_prefix.
316 (all insn patterns): Set mode,modrm and immediate_length attributes where
318 (cmpsi patterns): Compute sizes propertly for test instruction.
319 (movsi, movhi patterns): Compute sizes propertly for eax shortcuts.
320 (movstricthi_xor, movstrictqi_xor): New patterns.
321 (andsi/andhi): Use splitters to generate xor instructions.
322 (xorqi_ext_1): New pattern.
323 (movstricthi->movstricthi_xor peep2): New.
325 Tue Jun 27 12:03:03 MET DST 2000 Jan Hubicka <jh@suse.cz>
327 * i386.md (addqi_low_1): Remove.
329 2000-06-27 Philipp Thomas <pthomas@suse.de>
331 * 1750a.h: Mark help strings for options/switches for translation.
336 * riscix.h: Likewise.
338 * clipper.h: Likewise.
339 * convex.h: Likewise.
345 * cygwin.h: Likewise.
349 * osf1elf.h: Likewise.
350 * osfrose.h: Likewise.
354 * paragon.h: Likewise.
360 * mn10300.h: Likewise.
368 * rs6000.h: Likewise.
371 * linux64.h: Likewise.
372 * sp64-elf.h: Likewise.
376 * convex.h (TARGET_SWITCHES): Provide descriptions and mark them
378 * sp86x-aout.h: Remove bogus first definition of SUBTARGET_SWITCHES.
379 Properly document option and mark for translation.
380 * sp86x-elf.h: Likewise.
382 2000-06-27 Bernd Schmidt <bernds@cygnus.co.uk>
384 Add MMX and SSE registers to i386 machine description.
385 * i386-protos.h (ix86_constant_alignment, ix86_data_alignment,
386 ix86_local_alignment): Declare.
388 * i386.h (TARGET_MMX, TARGET_SSE): New.
389 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
390 REG_ALLOC_ORDER, HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
391 REG_CLASS_NAMES, REG_CLASS_CONTENTS,REG_CLASS_FROM_LETTER,
392 enum reg_class, HI_REGISTER_NAMES): Added MMX/SSE registers.
393 (FIRST_SSE_REG, LAST_SSE_REG, SSE_REGNO_P): New.
394 (FIRST_MMX_REG, LAST_MMX_REG, MMX_REGNO_P, MMX_REG_P): New macros.
395 (RETURN_IN_MEMORY): Handle MMX/SSE.
396 (REG_PARM_STACK_SPACE): Added so the first three TImode parameters
397 also get stack space.
398 (MUST_PASS_IN_STACK): Added TImode to the default definition.
399 (CUMULATIVE_ARGS): Added sse_nregs, sse_regno and sse_words.
400 (MMX_REGISTER_NAMES): New.
401 (ALIGN_MODE_128): New macro.
402 (CONSTANT_ALIGNMENT): Code moved out-of-line; just call the function.
403 (DATA_ALIGNMENT): Likewise.
404 (LOCAL_ALIGNMENT): Likewise.
405 (CONDITIONAL_REGISTER_USAGE): Make MMX/SSE regs fixed if not
406 TARGET_MMX/TARGET_SSE.
407 (VALID_SSE_REG_MODE, VALID_MMX_REG_MODE): New macros.
408 (REG_CLASS_FROM_LETTER): 'y' for MMX regs.
409 (SECONDARY_MEMORY_NEEDED): Be conservative about copying between
410 SSE/MMX regs and something else.
411 (CLASS_MAX_NREGS): 1 for SSE and MMX regs.
412 (REGISTER_MOVE_COST): 10 if trying to move between MMX and SSE regs,
413 3 if moving between MMX regs and something else.
415 * i386.c (reg_class): Add SSE_REGS, MMX_REGS.
416 (regclass_map): Add MMX/SSE registers.
417 (print_operand): Add code to print XMMWORD as appropriate.
418 (ix86_split_movdi): Abort for MMX regs.
419 (init_cumulative_args): Also allow SSE_REGS
420 (function_arg_advance, function_arg): Likewise
421 (print_reg): Support 'm'. Add case for TImode.
422 (override_options): TARGET_SSE implies TARGET_MMX.
423 (ix86_constant_alignment, ix86_data_alignment, ix86_local_alignment):
426 * config/i386/unix.h (VALUE_REGNO): VECTOR_MODE values go to
428 * config/i386/ptx4-i.h (RETURN_IN_MEMORY): Return MMX values in
430 * config/i386/sysv4.h (RETURN_IN_MEMORY): Likewise.
431 * config/i386/i386elf.h (RETURN_IN_MEMORY): Likewise.
433 2000-06-26 Geoff Keating <geoffk@cygnus.com>
435 * ssa.c (struct rename_set_data): Change the name of field
436 'set_dest' to 'old_reg'. Add comments.
437 (struct rename_context): Change the name of 'set_data' to
438 'new_renames'. Add new field 'done_renames'.
439 (create_delayed_rename): New function.
440 (apply_delayed_renames): New function.
441 (rename_insn_1): Use the new functions. Handle CLOBBERS. Handle
442 SUBREGs and similar by emitting a move.
443 (new_registers_for_updates): Delete, functionality moved to
444 apply_delayed_renames.
445 (rename_block): Handle moves emitted by rename_insn_1 by putting
446 them into a SEQUENCE with the original insn. Add sanity checks
448 (rename_equivalent_regs_in_insn): Don't handle SUBREGs specially.
449 (rename_equivalent_regs): Expand SEQUENCEs out to individual insns.
451 2000-06-26 Andrew Macleod <amacleod@cygnus.com>
452 Jason Merrill <jason@redhat.com>
454 * dwarf2.h (enum dwarf_call_frame_info): Add
455 DW_CFA_def_cfa_expression.
456 * dwarf2out.c (union dw_cfi_oprnd_struct): Add a pointer to a
457 dw_loc_descr_struct entry.
458 (struct cfa_loc): New structure to track a CFA location.
459 (lookup_cfa): Take a cfa_loc parameter instead of a reg and an offset.
460 (lookup_cfa_1): Take a cfa_loc parameter instead of a reg and an
461 offset, plus handle DW_CFA_def_cfa_expression.
462 (def_cfa_1): Use to be dwarf2out_def_cfa, only now it uses a
464 (dwarf2out_def_cfa): Entry point maintained for compatability.
465 (dwarf_cfi_name): Add DW_CFA_def_cfa_expression.
466 (cfa_reg, cfa_offset): Replace with cfa_loc record 'cfa'.
467 (cfa_store_reg, cfa_store_offset): Replace with cfa_loc 'cfa_store'.
468 (initial_return_save, dwarf2out_stack_adjust): Use cfa.reg, not
470 (dwarf2out_frame_debug_expr): Use new cfa_loc records. Recognize rtl
471 sequences for the new DW_CFA_def_cfa_expression record.
472 (dwarf2out_frame_debug): Use new variables/fields.A
473 (output_cfi): Handle DW_CFA_def_cfa_expression.
474 (output_cfa_loc): New function to generate a CFI record for
475 DW_CFA_def_cfa_expression.
476 (get_cfa_from_loc_descr): New function to get a cfa_loc record from
477 a dw_loc_descr sequeunce.
478 (build_loc_descr): Build a dw_loc_descr from a cfa_loc record.
479 (dwarf_stack_op_name, new_loc_descr, add_loc_descr, size_of_loc_descr,
480 size_of_locs, output_loc_operands, output_loc_sequence): Move into
482 * frame.h (frame_state): Add base_offset and indirect fields.
483 * frame-dwarf2.c (decode_stack_op): New function to interpret a
484 dw_loc_descr operation.
485 (execute_cfa_insn): Add support for DW_CFA_def_cfa_expression.
486 (struct frame_state): Add base offset and indirect fields.
487 * libgcc2.c (next_stack_level): Support indirect loading for CFA.
489 2000-06-26 Joseph S. Myers <jsm28@cam.ac.uk>
491 * c-decl.c (grokdeclarator): Don't warn about `long long' in C99.
492 Make warnings about implicit int be pedwarns in C99. Don't warn
493 about duplicate type qualifiers in C99.
494 (start_function): Make warning about implict int return type be a
496 * c-lex.c (yylex): Don't warn about `long long' in C99.
497 * c-typeck.c (c_expand_return): In C99, always pedwarn about
498 `return' with no value in function returning non-void.
500 2000-06-26 Richard Henderson <rth@cygnus.com>
502 * c-typeck.c (pedwarn_c99): New.
503 * diagnostic.c (verror, vwarning, vpedwarn): Export.
504 * toplev.h: Prototype them.
506 2000-06-26 J. David Anglin <dave@hiauly1.hia.nrc.ca>
508 * c-typeck.c (digest_init): Return error_mark_node node when
509 TREE_TYPE (init) == error_mark_node.
511 2000-06-26 Philipp Thomas <pthomas@suse.de>
513 * aclocal.m4 (AM_WITH_NLS): Don't set MSGFMT or GMSGFMT to no,
514 test for msgfmt without path instead.
515 * configure: Rebuilt.
517 2000-06-25 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
519 * gengenrtl.c (special_rtx): Fix typo in comment.
521 2000-06-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
523 * mklibgcc.in (LIB2FUNCS): Add missing space.
525 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
527 * tree.h (enum tree_index): Add vector type nodes.
528 Add accessor macros for them.
529 (TYPE_REPRESENATION_TYPE): New macro.
530 * tree.c (build_common_tree_nodes_2): Build these nodes.
531 (finish_vector_type): New function.
532 * c-common.c (type_for_mode): Handle vector modes.
533 * tm.texi (VECTOR_MODE_SUPPORTED_P): Document.
535 * dbxout.c (dbxout_type): Handle VECTOR_TYPEs.
536 * dwarf.h (enum dwarf_fundamental_type): Add 128 bit integers.
537 * dwarf2out.c (lookup_type_die): Handle VECTOR_TYPEs.
538 (gen_type_die): Likewise.
539 * dwarfout.c (dwarf_fund_type_name): Handle 128 bit integers.
540 (fundamental_type_code): Likewise.
541 (type_is_fundamental): VECTOR_TYPEs aren't.
542 (output_type): Handle VECTOR_TYPEs.
544 2000-06-25 Kazu Hirata <kazu@hxi.com>
546 * config/arm.c: Fix a comment typo.
547 * config/arm.h: Likewise.
549 2000-06-25 Philipp Thomas <pthomas@suse.de>
551 * aclocal.m4 (AM_WITH_NLS): Set create_catalogs=no if no catalog
553 AM_GNU_GETTEXT: Don't set CATALOGS if create_catalogs=no.
554 * configure: Rebuilt.
556 2000-06-25 John David Anglin <dave.anglin@nrc.ca>
558 * config/vax/vax.h (TARGET_SWITCHES): Provide descriptions.
560 2000-06-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
562 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2FUNCS when generating
565 2000-06-24 Marc Espie <espie@cvs.openbsd.org>
567 * collect2.c (resolve_lib_name): Move '/' check out of loop.
569 2000-06-24 Dirk Duellmann <Dirk.Duellmann@cern.ch>
571 * ginclude/stddef.h (NULL): define for non-gnu C++ parsers as 0.
573 2000-06-24 Jakub Jelinek <jakub@redhat.com>
575 * stmt.c (expand_decl_cleanup): Emit a dummy insn after
576 last_unconditional_cleanup.
578 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
580 * tree.def (VECTOR_TYPE): New node type.
581 * tree.h: Adjust some comments to reflect addition of vector types.
582 (TYPE_VECTOR_SUBPARTS): New macro.
583 * stor-layout.c (layout_type): Handle VECTOR_TYPE.
584 * c-convert.c (convert): Likewise.
585 * convert.c (convert_to_integer): Handle vector modes.
586 (convert_to_vector): New function.
587 * convert.h (convert_to_vector): Declare.
588 * expr.c (convert_move): Handle vector modes.
589 * expmed.c (extract_bit_field): Don't abort for vector modes.
591 2000-06-24 Marek Michalkiewicz <marekm@linux.org.pl>
593 * config/avr/avr-protos.h (avr_hard_regno_mode_ok): New prototype.
594 * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr):
595 New functions, common code moved from function_{prologue,epilogue}
596 and extended to support the -mtiny-stack option.
597 (function_prologue, function_epilogue): Use them.
598 Use lo8/hi8 consistently for asm output readability.
599 (avr_hard_regno_mode_ok): New function.
600 * config/avr/avr.h (TARGET_SWITCHES): Fix typo. Add -mtiny-stack.
601 (UNITS_PER_WORD): Define as 4 (not 1) when compiling libgcc2.c.
602 (HARD_REGNO_MODE_OK): Call the avr_hard_regno_mode_ok function.
603 * config/avr/avr.md (*mov_sp_r): Add support for -mtiny-stack.
604 Write SPH before SPL.
605 (*movqi): No need to disable interrupts for just one "out"
606 in alternative 5. Change length attribute from 4 to 1.
607 * config/avr/libgcc.S (__prologue_saves__, __epilogue_restores__):
608 Write SPH before SPL.
610 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
612 * rtl.texi (Vector Operations): New node.
613 (Arithmetic): Add ss_plus, us_plus, ss_minus, us_minus.
614 (Conversions): Add ss_truncate, us_truncate.
615 * rtl.def (VEC_MERGE, VEC_SELECT, VEC_CONCAT, VEC_REORDER,
616 VEC_CONST, VEC_DUPLICATE, SS_PLUS, SS_MINUS, SS_TRUNCATE,
617 US_TRUNCATE): New rtx codes.
618 * machmode.def: Add vector modes.
619 * machmode.h (enum mode_class): Add MODE_VECTOR_INT and
621 (INTEGER_MODE_P): Check for MODE_VECTOR_INT.
622 (FLOAT_MODE_P): Check for MODE_VECTOR_FLOAT.
623 (VECTOR_MODE_P): New.
625 2000-06-24 Nathan Sidwell <nathan@codesourcery.com>
627 * cpp.texi: Clarify #pragma GCC namespace.
629 2000-06-24 Philipp Thomas <pthomas@suse.de>
631 * aclocal.m4(AM_GNU_GETTEXT): If LINGUAS isn't set, build
632 all catalogs specified in ALL_LINGUAS.
633 * configure: Rebuilt.
635 2000-06-23 Jakub Jelinek <jakub@redhat.com>
637 * config/sparc/sparc.md (reload_outdi+1): Handle
638 HOST_BITS_PER_WIDE_INT == 64 case correctly.
639 (adddi3_insn_sp32+1, adddi3_insn_sp32+2, andsi3+2): Likewise.
641 2000-06-23 Geoffrey Keating <geoffk@cygnus.com>
643 * alias.c (fixed_scalar_and_varying_struct_p): Don't examine
644 struct vs. scalar-ness when -fno-strict-aliasing.
646 2000-06-23 Nathan Sidwell <nathan@codesourcery.com>
648 * cpplib.c (struct pragma_entry): New structure.
649 (pragma_dispatch): Pragma dispatcher.
650 (top_pragmas, gcc_pragmas): New static variables.
651 (do_pragma): Use pragma_dispatch.
652 (do_pragma_gcc): New pragma handler.
655 2000-06-23 Jakub Jelinek <jakub@redhat.com>
657 * calls.c (compute_argument_addresses): Force stack slots into
659 * expr.c (emit_push_insn): Force pushes into alias set 0.
661 2000-06-23 Richard Henderson <rth@cygnus.com>
663 * config/ia64/ia64.md (pred_rel_mutex): Only take one register.
664 * config/ia64/ia64.c (emit_predicate_relation_info): Adjust to match.
666 2000-06-22 Jason Merrill <jason@redhat.com>
668 * toplev.c (compile_file): Always call timevar_print.
669 * Makefile.in (calls.o): Depend on TIMEVAR_H.
671 2000-06-22 Nathan Sidwell <nathan@codesourcery.com>
673 * varasm.c (constant_descriptor): Make contents unsigned char.
674 (mark_const_hash_entry): Adjust.
675 (const_hash): Just hash the code of unknown nodes.
676 (compare_constant_1): Adjust for unsigned char.
677 Use language specific expander on unknown nodes.
678 (record_constant_1): Likewise.
680 2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
682 * cppfiles.c (cpp_make_system_header): New function.
683 * cpplib.h: Prototype it.
684 * cpplib.c (do_line, do_pragma_system_header): Use it.
685 * fix-header.c (read_scan_file): Use it.
687 * fix-header.c (check_macro_names): Cast second arg of
688 cpp_defined to const unsigned char *.
689 (read_scan_file): Make getchar_call const unsigned char.
691 2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
693 * cppfiles.c: Include splay-tree.h, not hashtab.h.
694 (redundant_include_p, make_IHASH, hash_IHASH, eq_IHASH): Delete.
695 (destroy_include_file_node): New.
696 (_cpp_init_include_hash): Rename _cpp_init_include_table.
697 Create a splay tree, not a hash table.
698 (open_include_file): Look up the path in the include table,
699 do the multiple include optimization here, etc.
700 (cpp_included): Walk the path.
701 (find_include_file): Just walk the path calling
702 open_include_file, or call it directly for an absolute path.
703 (_cpp_fake_ihash): Rename _cpp_fake_include and update for new
705 (read_include_file): Update for new scheme. Don't close the
706 file unless reading fails.
707 (_cpp_execute_include, cpp_read_file): Tweak for new scheme.
709 * cpphash.h (struct ihash, NEVER_REINCLUDE): Delete.
710 (struct include_file): New.
711 (NEVER_REREAD, DO_NOT_REREAD, CPP_IN_SYSTEM_HEADER): New
713 (CPP_PEDANTIC, CPP_WTRADITIONAL): Update.
716 * cppinit.c: Include splay-tree.h.
717 (cpp_reader_init, cpp_cleanup): Update.
719 * cpplib.h (struct cpp_buffer): Change ihash field to
720 'struct include_file *inc'. Remove system_header_p.
721 (struct cpp_reader): Change all_include_files to a
722 struct splay_tree_s *.
724 * cpplex.c: Update all references to cpp_buffer->ihash and/or
725 cpp_buffer->system_header_p.
726 (cpp_pop_buffer): Close file here, only if DO_NOT_REREAD.
728 * Makefile.in (SPLAY_TREE_H): New macro.
729 (cppfiles.o, cppinit.o): Update dependencies.
731 Wed Jun 21 11:05:48 2000 Martin Buchholz <martin@xemacs.org>
733 * invoke.texi (g++): "g++" is not a script anymore.
735 2000-06-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
737 * function.c (round_down): Delete obsolete prototype.
739 * pa.h (CPP_SPEC): Add whitespace after -D__STDC_EXT__.
741 2000-06-20 Zack Weinberg <zack@wolery.cumb.org>
743 * configure.in: Use 'test a = b' not 'test a == b'.
746 * Makefile.in (fix-header): Link with $(LIBS) not $(HOST_LIBS).
748 * Makefile.in: Remove all references to HOST_INTLLIBS.
750 * cpplex.c (parse_name): Don't warn about $ in identifiers if
753 2000-06-20 Philipp Thomas <pthomas@suse.de>
755 * config/pa/pa.h(TARGET_SWITCHES): Require binutils 2.10 or later
758 Mon Jun 19 23:26:40 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
760 * Take REG_INC notes into account.
762 2000-06-19 Zack Weinberg <zack@wolery.cumb.org>
764 * c-parse.in (undeclared_variable_notice): Moved to c-typeck.c.
765 (primary: IDENTIFIER): Just call build_external_ref.
766 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
768 * c-lex.c (lastiddecl): Remove.
769 (yylex): Replace all instances of lastiddecl with local
772 * c-typeck.c (build_external_ref): New function. Treat decls
773 with C_DECL_ANTICIPATED mostly the same as nonexistent decls.
774 Look up the decl from the id here. Call lookup_objc_ivar.
775 * c-lang.c (lookup_objc_ivar): Stub.
776 * objc/objc-act.c (lookup_objc_ivar): New function.
778 * c-tree.h: Prototype lookup_objc_ivar and build_external_ref.
779 * c-lex.h: Don't declare lastiddecl.
781 2000-06-19 Benjamin Chelf <chelf@codesourcery.com>
783 * c-common.h (IF_COND): Added documentation.
784 (THEN_CLAUSE): Likewise.
785 (ELSE_CLAUSE): Likewise.
786 (WHILE_COND): Likewise.
787 (WHILE_BODY): Likewise.
790 (RETURN_EXPR): Likewise.
791 (EXPR_STMT_EXPR): Likewise.
792 (FOR_INIT_STMT): Likewise.
793 (FOR_COND): Likewise.
794 (FOR_EXPR): Likewise.
795 (FOR_BODY): Likewise.
796 (SWITCH_COND): Likewise.
797 (SWITCH_BODY): Likewise.
798 (CASE_LOW): Likewise.
799 (CASE_HIGH): Likewise.
800 (GOTO_DESTINATION): Likewise.
801 (COMPOUND_BODY): Likewise.
802 (ASM_CV_QUAL): Likewise.
803 (ASM_STRING): Likewise.
804 (ASM_OUTPUTS): Likewise.
805 (ASM_INPUTS): Likewise.
806 (ASM_CLOBBERS): Likewise.
807 (DECL_STMT_DECL): Likewise.
808 (STMT_EXPR_STMT): Likewise.
809 (LABEL_STMT_LABEL): Likewise.
811 * c-common.def: Added documenetion for SRCLOC, EXPR_STMT,
812 COMPOUND_STMT, DECL_STMT, IF_STMT, FOR_STMT, WHILE_STMT, DO_STMT,
813 RETURN_STMT, BREAK_STMT, CONTINUE_STMT, SWITCH_STMT, GOTO_STMT,
814 LABEL_STMT, ASM_STMT, SCOPE_STMT, CASE_LABEL, STMT_EXPR.
816 2000-06-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
818 * configure.in (--enable-checking): Update --help doc to reflect
819 new defaults. Ensure $ac_save_IFS is set before $IFS is changed.
821 Sun Jun 18 21:42:15 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
823 * gcse.c (insert_insn_end_bb): Always put after NOTE_INSN_BASIC_BLOCK.
825 * function.c (put_var_into_stack): Don't reference DECL_ fields
826 if input is a SAVE_EXPR.
827 Use set_mem_attributes in COMPLEX case.
829 2000-06-18 Richard Henderson <rth@cygnus.com>
831 * config/ia64/ia64-protos.h (process_for_unwind_directive): Declare.
832 (ia64_file_start): Declare.
833 * config/ia64/ia64.h (ADDL_REGNO_P): Don't compare unsigned against 0.
834 (GR_REGNO_P): Likewise.
835 * config/ia64/ia64.c: Many prototypes.
836 (ia64_reg_numbers): Constify.
837 (ia64_input_reg_names, ia64_local_reg_names): Likewise.
838 (ia64_section_threshold): Make unsigned.
839 (ia64_print_operand): Constify.
840 (fix_range): Constify.
841 (ia64_init_builtins): Don't compare signed vs unsigned.
842 (ia64_expand_builtin): Likewise.
844 * config/ia64/ia64.h (EXTRA_CONSTRAINT): New.
845 (CONSTRAINT_OK_FOR_Q): New.
846 * config/ia64/ia64.md (movdi_internal): Use Q for fp<->mem.
847 (movsf_internal, movdf_internal): Likewise.
848 (cmovdi_internal): Rewrite so that constraints and predicates match;
850 (cmovsi_internal): Likewise.
852 * config/ia64/ia64.h (ASM_SPEC): Add -x for gas.
853 (ASM_FILE_START): New.
854 * config/ia64/ia64.c (ia64_file_start): New.
855 (rtx_needs_barrier): Handle pred.rel.mutex.
856 (emit_predicate_relation_info): New.
857 * config/ia64/ia64.md (pred_rel_mutex): New.
858 * config/ia64/linux.h (ASM_SPEC): Define.
859 * config/ia64/sysv4.h (ASM_FILE_START): Define.
861 * config/ia64/ia64.c (ia64_encode_section_info): Fix thinko
862 filtering global register variables.
864 2000-06-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
866 * c-common.c (add_c_tree_codes): Fix definition for traditional C.
868 2000-06-17 Michael Meissner <meissner@redhat.com>
870 * gcc.c (do_spec_1, '%v3' case): Do not abort if patch level is
871 not present and there is a field after a '-'.
873 2000-06-17 Bruce Korb <bkorb@gnu.org>
875 * fixinc/check.tpl: finish the implementation of multiple tests
877 * fixinc/inclhack.def(ctrl_quotes_def): add a second test
878 (io_quotes_def): add a second test
879 (various): reorder `files' so that "limits.h" is never first
880 * fixinc/tests/base/*: update the testing output
882 Sat Jun 17 10:33:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
884 * gcc.texi: Remove reference to stupid.c.
886 2000-06-16 Benjamin Chelf <chelf@codesourcery.com>
888 * c-common.c (c_tree_code_type): New array.
889 (c_tree_code_length): Likewise.
890 (c_tree_code_name): Likewise.
891 (add_c_tree_codes): New function.
893 * c-common.h (add_c_tree_codes): Declare.
894 (enum c_tree_code): New enum.
896 * c-lex.c (init_parse): Added call to add_c_tree_codes.
898 2000-06-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
900 * fixinc/inclhack.def (ctrl_quotes_def, io_quotes_def): Modify
901 select pattern to also match macro defs with only one argument.
903 Thu Jun 15 18:56:12 2000 Jeffrey A Law (law@cygnus.com)
905 * i386.md: Create new [right,left] rotate and right shift
906 patterns to optimize shift by 1 bit for certain ia32 processors.
907 Update patterns which perform left shifts to optimize shift by
908 1 bit for certain ia32 processors.
909 * i386.c (const_int_1_operand): New predicate.
910 * i386.h (PREDICATE_CODES): Handle const_int_1_operand.
911 * i386-protos.h (const_int_1_operand): Prototype.
913 Wed Jun 14 23:46:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
915 * mips.c (machine_dependent_reorg): Fix braces for nested if.
917 2000-06-14 Geoff Keating <geoffk@cygnus.com>
919 * rs6000.c (toc_hash_eq): Use CODE_LABEL_NUMBER to compare
922 2000-06-14 Richard Henderson <rth@cygnus.com>
924 * conflict.c (conflict_graph_compute): Don't look for REG_INC.
926 * config/ia64/ia64.c (ia64_setup_incoming_varargs): Don't emit
929 * print-rtl.c (print_rtx): Emit space before mem alias set.
931 2000-06-14 David Edelsohn <edelsohn@gnu.org>
933 * rs6000.c (expand_block_move): Fix typo in earlier change.
934 (print_operand): Remove unused variables neg and op.
935 (toc_hash_mark_entry): Fix prototype.
937 2000-06-14 Benjamin Chelf <chelf@codesourcery.com>
939 * c-common.h (IF_COND): Moved here from cp/cp-tree.h.
940 (THEN_CLAUSE): Likewise.
941 (ELSE_CLAUSE): Likewise.
942 (WHILE_COND): Likewise.
943 (WHILE_BODY): Likewise.
946 (RETURN_EXPR): Likewise.
947 (EXPR_STMT_EXPR): Likewise.
948 (FOR_INIT_STMT): Likewise.
949 (FOR_COND): Likewise.
950 (FOR_EXPR): Likewise.
951 (FOR_BODY): Likewise.
952 (SWITCH_COND): Likewise.
953 (SWITCH_BODY): Likewise.
954 (CASE_LOW): Likewise.
955 (CASE_HIGH): Likewise.
956 (GOTO_DESTINATION): Likewise.
957 (COMPOUND_BODY): Likewise.
958 (ASM_CV_QUAL): Likewise.
959 (ASM_STRING): Likewise.
960 (ASM_OUTPUTS): Likewise.
961 (ASM_INPUTS): Likewise.
962 (ASM_CLOBBERS): Likewise.
963 (DECL_STMT_DECL): Likewise.
964 (STMT_EXPR_STMT): Likewise.
965 (LABEL_STMT_LABEL): Likewise.
966 (SCOPE_BEGIN_P): Likewise.
967 (SCOPE_END_P): Likewise.
968 (SCOPE_STMT_BLOCK): Likewise.
969 (SCOPE_NULLIFIED_P): Likewise.
970 (SCOPE_NO_CLEANUPS_P): Likewise.
971 (SCOPE_PARTIAL_P): Likewise.
972 (ASM_VOLATILE_P): Likewise.
973 (STMT_LINENO): Likewise.
974 (STMT_LINENO_FOR_FN_P): Likewise.
976 * c-common.def: New file. Added SRCLOC, SIZEOF_EXPR, ARROW_EXPR,
977 ALIGNOF_EXPR, EXPR_STMT, COMPOUND_STMT, DECL_STMT, IF_STMT,
978 FOR_STMT, WHILE_STMT, DO_STMT, RETURN_STMT, BREAK_STMT,
979 CONTINUE_STMT, SWITCH_STMT, GOTO_STMT, LABEL_STMT, ASM_STMT,
980 SCOPE_STMT, CASE_LABEL, STMT_EXPR.
982 * gencheck.c (tree_codes[]): Added '#include "c-common.def"'.
984 2000-06-14 David O'Brien <obrien@FreeBSD.org>
986 * gcc.c (main): Quiet compiler warnings. argv is assumed to be
987 writable in parts of the GCC code.
989 * config/elfos.h (ASM_GENERATE_INTERNAL_LABEL): Make printf
990 specification match cast.
992 Wed Jun 14 09:25:57 2000 Jeffrey A Law (law@cygnus.com)
994 * configure.in: Revert AC_TYPE_GETGROUPS patch from June 13.
995 * configure, config.in: Rebuilt.
996 * sys-protos.h: Similarly.
998 Wed Jun 14 03:39:58 EDT 2000 John Wehle (john@feith.com)
1000 * ifcvt.c (EDGE_COMPLEX): Move definition ...
1001 * basic-block.h (EDGE_COMPLEX): ... here.
1003 * loop.c (check_dbra_loop): Specify the register when
1004 generating REG_NONNEG notes and don't generate duplicates.
1006 2000-06-13 Jakub Jelinek <jakub@redhat.com>
1008 * tree.h (TYPE_USER_ALIGN, DECL_USER_ALIGN): Define.
1009 (struct tree_type, struct tree_decl): Add user_align member.
1010 * stor-layout.c (layout_decl): Set DECL_USER_ALIGN.
1011 (place_union_field): If BIGGEST_FIELD_ALIGNMENT is defined
1012 and DECL_USER_ALIGN 0, cap alignment to this value.
1013 (place_field): Likewise.
1014 (finalize_type_size): Set TYPE_USER_ALIGN.
1015 (layout_type): Likewise.
1016 (initialize_sizetypes): Likewise.
1017 * c-common.c (decl_attributes): Set TYPE_USER_ALIGN resp.
1018 DECL_USER_ALIGN to 1.
1019 * c-decl.c (duplicate_decls): Set DECL_USER_ALIGN.
1020 (xfer_tag): Set TYPE_USER_ALIGN.
1021 (finish_struct): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
1022 (finish_enum): Likewise.
1023 * stmt.c (expand_decl): Set DECL_USER_ALIGN.
1024 (expand_anon_union_decl): Likewise.
1025 * tree.c (make_node): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
1026 (build_index_type): Set TYPE_USER_ALIGN.
1027 (build_range_type): Likewise.
1028 (build_common_tree_nodes_2): Likewise.
1029 * tm.texi (BIGGEST_FIELD_ALIGNMENT): Document the changed meaning.
1031 2000-06-13 Andreas Jaeger <aj@suse.de>
1033 * configure.in: Use --enable-checking=misc,tree,gc by default if
1034 no --enable-checking option is given and for
1035 --enable-checking=yes.
1036 * configure: Rebuilt.
1038 2000-06-13 Richard Henderson <rth@cygnus.com>
1040 * libgcc2.c (ia64_throw_helper): Use __builtin_return_address.
1041 (__throw): Don't pass the address of a label.
1043 * config/ia64/ia64.c (ia64_compute_frame_size): Use
1044 current_function_is_leaf.
1045 (ia64_expand_prologue): Likewise. Modify return_address_pointer_rtx
1046 instead of reg_names[RETURN_ADDRESS_REGNUM].
1047 (ia64_init_machine_status): Reset return_address_pointer_rtx.
1048 * config/ia64/ia64.h (RETURN_ADDRESS_POINTER_REGNUM): Rename
1049 from RETURN_ADDRESS_REGNUM. Update all uses.
1050 (RETURN_ADDR_RTX): Use return_address_pointer_rtx; return
1051 zero instead of null on failure.
1052 (ELIMINABLE_REGS): Add ra->b0 elimination.
1053 (CAN_ELIMINATE): Update accordingly.
1054 (INITIAL_ELIMINATION_OFFSET): Likewise.
1055 (REGISTER_NAMES): Use an illegal assembler name for
1056 RETURN_ADDRESS_POINTER_REGNUM.
1058 2000-06-13 Richard Henderson <rth@cygnus.com>
1060 * config/ia64/ia64.h (enum reg_class): Remove FR_INT_REGS, FR_FP_REGS,
1061 GR_AND_FR_INT_REGS, GR_AND_FR_FP_REGS.
1062 (REG_CLASS_NAMES): Likewise.
1063 (REG_CLASS_CONTENTS): Likewise.
1064 (FR_FP_REGNO_P, FR_INT_REGNO_P): Remove.
1065 (HARD_REGNO_MODE_OK): Remove references to them.
1066 (REGNO_REG_CLASS): Likewise.
1067 (REG_CLASS_FROM_LETTER): Likewise.
1068 (CLASS_MAX_NREGS): Likewise.
1069 (REGISTER_MOVE_COST): Likewise.
1070 * config/ia64/ia64.c (ia64_secondary_reload_class): Likewise.
1071 * config/ia64/ia64.md (*): Replace "e" constraints with "f".
1072 (movqi_internal): Special case moves from zero.
1073 (movhi_internal, movsi_internal): Likewise.
1074 (movdi_internal): Likewise. Fill out "f" constraints.
1075 (movsf_internal): Fill out "r" constraints.
1076 (movdf_internal): Likewise.
1078 2000-06-13 Richard Henderson <rth@cygnus.com>
1080 * flow.c (insn_dead_p): Keep sets to PIC_OFFSET_TABLE_REGNUM
1081 alive before reload.
1083 * haifa-sched.c (struct deps): Add in_post_call_group_p.
1084 (add_dependence): Handle notes between SCHED_GROUP_P insns.
1085 (remove_dependence): Always define.
1086 (set_sched_group_p): New.
1087 (sched_analyze_2): Use it.
1088 (sched_analyze_insn): Don't special-case naked uses. Look for
1089 and extend in_post_call_group_p.
1090 (sched_analyze): Clear stale SCHED_GROUP_P. Set in_post_call_group_p.
1091 (init_deps): Clear in_post_call_group_p.
1093 2000-06-13 Richard Henderson <rth@cygnus.com>
1095 * combine.c (subst): Use CLASS_CANNOT_CHANGE_MODE and
1096 CLASS_CANNOT_CHANGE_MODE_P instead of CLASS_CANNOT_CHANGE_SIZE
1097 and hard-coded tests.
1098 (simplify_set): Likewise.
1099 (gen_lowpart_for_combine): Likewise.
1100 * emit-rtl.c (gen_lowpart_common): Likewise.
1101 * global.c (find_reg): Likewise.
1102 * local-alloc.c (find_free_reg): Likewise.
1103 * recog.c (register_operand): Likewise.
1104 * regclass.c (init_reg_sets_1): Likewise.
1105 (record_operand_costs, regclass): Likewise.
1106 * reload.c (push_reload): Likewise.
1107 * reload1.c (choose_reload_regs): Likewise.
1108 * flow.c (mark_used_regs): Conditionally set REG_CHANGES_MODE.
1109 * local-alloc.c (struct qty): Rename changes_size to changes_mode.
1110 Update all references.
1111 * regs.h (struct reg_info_def): Likewise.
1112 (REG_CHANGES_MODE): Rename from REG_CHANGES_SIZE.
1113 * tm.texi (CLASS_CANNOT_CHANGE_MODE): Document.
1114 (CLASS_CANNOT_CHANGE_MODE_P): Likewise.
1116 * config/alpha/alpha.h (CLASS_CANNOT_CHANGE_MODE): Rename.
1117 (CLASS_CANNOT_CHANGE_MODE_P): New.
1118 * config/mips/mips.h: Likewise.
1119 * config/pa/pa32-regs.h: Likewise.
1120 * config/pa/pa64-regs.h: Likewise.
1121 * config/rs6000/rs6000.h: Likewise.
1122 * config/sh/sh.h: Likewise.
1123 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE): New.
1124 (CLASS_CANNOT_CHANGE_MODE_P): New.
1125 * config/avr/avr.h (CLASS_CANNOT_CHANGE_SIZE): Remove dead code.
1126 * config/d30v/d30v.h: Likewise.
1128 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1130 * configure.in: Add AC_TYPE_GETGROUPS test.
1131 * sys-protos.h: Use GETGROUPS_T * for second arg of getgroups.
1132 * configure: Rebuilt.
1133 * config.in: Rebuilt.
1135 2000-06-13 Richard Henderson <rth@cygnus.com>
1137 * explow.c (set_mem_attributes): Do nothing for NULL type.
1139 Tue Jun 13 14:45:10 2000 Jeffrey A Law (law@cygnus.com)
1141 * config/m68k/openbsd.h (ASM_SPEC): pass down options to assembler
1144 2000-06-13 James E. Wilson <wilson@cygnus.com>
1146 * config/ia64/ia64.md (movxf_internal): Add missing "e" to ldf/stf.
1148 Tue Jun 13 14:05:35 2000 Jeffrey A Law (law@cygnus.com)
1150 * Makefile.in (gensupport.o): Remove bogus $(HOST_PREFIX) reference.
1152 2000-06-13 Philipp Thomas <pthomas@suse.de>
1154 * configure.in(ALL_LINGUAS): Changed en_UK to en_GB.
1155 * configure: Rebuilt.
1157 2000-06-07 David O'Brien <obrien@FreeBSD.org>
1159 * configure.in: Adjust FreeBSD bits to match changes to config.guess.
1160 We now default to ELF for the i386, and a.out is the special case.
1161 * configure: Rebuilt.
1163 Tue Jun 13 10:05:30 2000 Hans-Peter Nilsson <hp@axis.com>
1165 * final.c (final_scan_insn): Delete notes between cc0 setter and
1166 user when restarting from setter.
1168 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1170 * vax.h (INDEX_TERM_P): Define evaluation order of &&'s in || and
1171 cast to squelch signed/unsigned warnings.
1173 2000-06-13 Zack Weinberg <zack@wolery.cumb.org>
1175 * cpplib.c (handle_directive): Print non-NUL-terminated string
1178 2000-06-12 Michael Meissner <meissner@redhat.com>
1180 * ifcvt.c (dead_or_predicable): Don't do conditional execution
1181 path if the machine needs extra support to do conditional
1184 Mon Jun 12 17:04:17 2000 Jeffrey A Law (law@cygnus.com)
1186 * print-rtl.c (print_rtx, case MEM): Use HOST_WIDE_INT_PRINT_DEC
1187 to print the alias set.
1188 * print-tree.c (print_node, DECL_* nodes and case 't'): Similarly.
1190 2000-06-12 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1192 * config/float-vax.h: Add GFLOAT defines.
1194 Mon Jun 12 9:44:00 2000 Mark Klein <mklein@dis.com>
1196 * configure.in: Update tm dependencies for MPE.
1197 * configure: Rebuilt.
1199 2000-06-12 H.J. Lu <hjl@gnu.org>
1201 * gengenrtl.c (obstack_alloc_rtx): Correct the allocated size.
1203 2000-06-12 David Edelsohn <edelsohn@gnu.org>
1205 * aix41.h (SUBTARGET_SWITCHES): Delete threads.
1206 (CPP_SPEC): Change mthreads to pthread.
1207 (LIB_SPEC): Likewise.
1208 (STARTFILE_SPEC): Likewise.
1209 * aix43.h (SUBTARGET_SWITCHES): Delete threads.
1210 (CPP_SPEC): Change mthreads to pthread.
1211 (LIB_SPEC): Likewise.
1212 (STARTFILE_SPEC): Likewise.
1213 * rs6000-protos.h (reg_or_arith_cint_operand): New.
1214 * rs6000.c (reg_or_arith_cint_operand): New.
1215 (num_insns_constant_wide): Decorate unsigned constant.
1216 * rs6000.h (PREDICATE_CODES): Add reg_or_arith_cint_operand.
1217 * rs6000.md (addsi3): Use new predicate.
1218 (subsi3, adddi3, subdi3): Likewise.
1220 2000-06-12 Mark Mitchell <mark@codesourcery.com>
1222 * c-common.c (lang_get_alias_set): Fix typo.
1224 2000-06-12 Richard Earnshaw <rearnsha@arm.com>
1226 * flow.c (mark_used_regs): Revert last change.
1227 (life_analysis): Remove PROP_AUTOINC if running after reload.
1228 (propagate_one_insn): PROP_AUTOINC is always off after reload.
1230 2000-06-11 Richard Earnshaw <rearnsha@arm.com>
1232 * flow.c (mark_used_regs): Don't call find_auto_inc after reload
1235 2000-06-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1237 * bb-reorder.c (build_scope_forest): Initialize variable
1240 * calls.c (expand_call): Likewise for variables
1241 `save_pending_stack_adjust' and `save_stack_pointer_delta'.
1243 * i386.c (function_arg_advance, function_arg): Cast to avoid
1244 signed/unsigned warnings.
1246 * i386.h (MEMORY_MOVE_COST): Likewise.
1248 * ifcvt.c (cond_exec_process_if_block): Initialize variables
1249 `else_start' and `else_end'.
1251 * libgcc2.h (__eh_alloc, __eh_free): Prototype.
1253 * regrename.c (rr_replace_reg): Initialize variable `dest_subregno'.
1255 2000-06-10 Mark Mitchell <mark@codesourcery.com>
1257 * Makefile.in (libintl.a): Depend on intl.all.
1259 2000-06-09 H.J. Lu (hjl@gnu.org)
1261 * Makefile.in (c-parse.o): Also depend on output.h.
1263 2000-06-09 Rodney Brown <RodneyBrown@mynd.com>
1265 * mcore-protos.h: discards const warning removal.
1266 * mcore.c: discards const warning removal.
1268 2000-06-09 Kazu Hirata <kazu@hxi.com>
1270 * config/h8300/lib1funcs.asm: Declare the machine architecture at
1271 the beginning of the file.
1273 2000-06-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1275 * real.h: Add prototype for ldexp.
1277 2000-06-09 Zack Weinberg <zack@wolery.cumb.org>
1279 * ggc-none.c, ggc-simple.c, ggc-page.c (ggc_alloc_obj): Rename
1280 it ggc_alloc, drop second argument, never clear returned memory.
1281 * ggc-common.c (ggc_alloc_string): Use ggc_alloc.
1282 (ggc_alloc_cleared): New.
1283 * ggc.h: Prototype ggc_alloc and ggc_alloc_cleared, not
1284 ggc_alloc_obj. Remove ggc_alloc macro.
1285 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Use ggc_alloc.
1287 * rtl.c (rtvec_alloc): Clear the vector always.
1288 (rtx_alloc): Clear the first word always. Remove dirty
1289 obstack tricks (this routine is no longer a bottleneck).
1290 * tree.c (make_node): Clear the new node always.
1291 (make_tree_vec): Likewise.
1292 (tree_cons): Clear the common structure always.
1293 (build1): Likewise; also, clear TREE_COMPLEXITY.
1294 * gengenrtl.c: Use puts wherever possible. Remove extra
1296 (gendef): Clear the first word of an RTX in the generator
1297 function, irrespective of ggc_p. Initialize '0' slots to
1299 (genlegend): Don't generate obstack_alloc_rtx routine, just a
1300 thin wrapper macro around obstack_alloc.
1302 * stmt.c (expand_fixup): Use ggc_alloc.
1303 * c-typeck.c (add_pending_init): Use ggc_alloc.
1304 * emit-rtl.c (init_emit_once): Clear CONST_DOUBLE_CHAIN(tem).
1305 * varasm.c (immed_double_const): Set CONST_DOUBLE_MEM(r) to
1306 const0_rtx when it is created.
1307 (immed_real_const_1): Set CONST_DOUBLE_CHAIN(r) to NULL_RTX if
1308 we are not in a function.
1310 * tree.c (tree_class_check_failed): Make second arg an int.
1311 * tree.h: Update prototype.
1313 2000-06-09 Geoff Keating <geoffk@cygnus.com>
1315 * tree.h (VOID_TYPE_P): Don't look at the TYPE_MAIN_VARIANT
1316 of an error_mark_node.
1318 Fri Jun 9 20:35:13 2000 Denis Chertykov <denisc@overta.ru>
1320 * config/avr/avr.c (asm_output_section_name): bugfix.
1322 2000-06-09 Jason Merrill <jason@casey.soma.redhat.com>
1324 * timevar.def: Add TV_EXPAND.
1325 * timevar.c (timevar_print): Update timing information.
1326 * calls.c (try_to_integrate): Push to TV_INTEGRATION for inlining.
1328 * stmt.c (expand_return): Check for error_mark_node.
1330 2000-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1332 * configure.in: Also avoid wrapping auto-build.h with IN_GCC.
1334 * scan-types.sh (VALUE) Wrap use with double quotes to protect
1335 variable against filename expansion when it contains "char *".
1337 * system.h (SSIZE_MAX): Delete backup definition.
1339 * cppfiles.c (read_include_file): Use INTTYPE_MAXIMUM(ssize_t)
1340 instead of SSIZE_MAX.
1342 2000-06-09 Jakub Jelinek <jakub@redhat.com>
1344 * configure.in: Check whether gas supports -relax.
1345 * configure, config.in: Rebuilt.
1346 * config/sparc/sparc.h (ASM_RELAX_SPEC): Define.
1347 (EXTRA_SPECS): Add asm_relax.
1348 (ASM_SPEC): Add %(asm_relax).
1349 (TARGET_SWITCHES): Add -mrelax and -mno-relax.
1350 * config/sparc/linux64.h (LINK_ARCH_SPEC): Rename to LINK_SPEC.
1351 (LINK_SPEC): Pass -relax to linker unless -mno-relax or -r.
1352 (ASM_SPEC): Add %(asm_relax).
1353 * config/sparc/linux.h (LINK_SPEC, ASM_SPEC): Likewise.
1354 * config/sparc/sparc.c (output_sibcall): If HAVE_AS_RELAX_OPTION,
1355 never use sethi/jmpl for leaf tail calls. Use or with rs2 %g0
1356 instead of mov, so that gas can further optimize it.
1358 2000-06-08 James E. Wilson <wilson@bletchleypark.cygnus.com>
1360 * dwarf2out.c (size_of_die, case dw_val_class_const): Use
1362 (value_format, case dw_val_class_const): Use sdata format.
1363 (output_die): Call output_sleb128.
1365 2000-06-08 James E. Wilson <wilson@cygnus.com>
1367 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA8): Add new macro that uses
1368 UNALIGNED_DOUBLE_INT_ASM_OP. Rename old macro to
1369 ASM_OUTPUT_DWARF_CONST_DOUBLE.
1370 (output_die, case dw_val_class_unsigned_const): Correct call to
1371 ASM_OUTPUT_DWARF_DATA8.
1372 (output_die, case dw_val_class_long_long): Use
1373 ASM_OUTPUT_DWARF_CONST_DOUBLE.
1374 * tree.c (host_integerp): Accept unsigned HOST_WIDE_INT values when
1377 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Add.
1378 (output_function_prologue): Fix mispelling.
1379 (output_function_prologue, output_function_epilogue): Reorder to
1380 match ia64.c definition order.
1381 * config/ia64/ia64.c (ia64_expand_prologue): Add comment.
1382 (ia64_expand_epilogue): Set RTX_FRAME_RELATED_P on stack restore insns.
1383 Use r3 instead of r2 for large stack restores.
1384 (ia64_output_end_prologue): New function.
1385 (process_set): Emit ".restore sp" for epilogue stack restores.
1386 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Define.
1388 2000-06-08 Jakub Jelinek <jakub@redhat.com>
1390 * dbxout.c (dbxout_type_fields): Don't segfault on fields with
1393 2000-06-08 Nathan Sidwell <nathan@codesourcery.com>
1395 * frame.c (end_fde_sort): Remove extraneous erratic array test.
1397 2000-06-08 Denis Perchine <dyp@perchine.com>
1399 * frame.c (start_fde_sort): Don't malloc (0).
1401 2000-06-07 Zack Weinberg <zack@wolery.cumb.org>
1403 * c-decl.c (pushdecl): Do not call COMPLETE_TYPE_P on
1405 * print-tree.c (print_node): The transparent_union_flag means
1406 different things for unions and arrays. Do not inspect it
1407 with TYPE_TRANSPARENT_UNION.
1409 2000-06-06 Jakub Jelinek <jakub@redhat.com>
1411 * cpplib.c (do_ifdef, do_ifndef): Don't segfault if parse_ifdef
1414 Wed Jun 7 20:34:33 2000 Denis Chertykov <denisc@overta.ru>
1416 * config/avr/avr.c (asm_output_section_name): output section
1418 * config/avr/libgcc.S (.text.libgcc): declare section attributes.
1420 2000-06-06 James E. Wilson <wilson@cygnus.com>
1422 * frame.h (struct unwind_info_ptr): Collapse version, flags, and length
1423 fields into header field.
1424 (IA64_UNW_HDR_LENGTH, IA64_UNW_HDR_FLAGS, IA64_UNW_HDR_VERSION): New
1425 macros to access length, flags, and version info from header field.
1426 * config/ia64/crtbegin.asm (__do_frame_setup_aux): Delete here.
1427 * config/ia64/crtend.asm (__do_frame_setup_aux): Add here.
1428 (__do_global_ctors_aux): Fix caller.
1429 * config/ia64/frame-ia64.c (get_unwind_record): Change parameter
1430 prologue_flag to header. Pass to read_P_record.
1431 (read_P_record): New argument header. Implement P4 format.
1432 Multiply P7_T_SIZE by 16.
1433 (execute_one_ia64_descriptor): New static local region_header. Pass to
1434 get_unwind_record. Copy r to region_header if r is a header record.
1435 (print_all_records): Likewise.
1436 (__build_ia64_frame_state): Use IA64_UNW_HDR_LENGTH.
1437 (__get_personality, __get_except_table): Likewise.
1438 * config/ia64/ia64.c (process_set): Do not divide offsets by 4.
1440 2000-06-06 Philipp Thomas <pthomas@suse.de>
1442 * configure.in (AC_C_INLINE): Added.
1443 * aclocal.m4 (AM_WITH_NLS): Enable --with-included-gettext by default.
1444 * configure: Regenerate.
1446 2000-06-06 Mark Mitchell <mark@codesourcery.com>
1448 * c-common.h (c_language_kind): New type.
1449 (c_language): New variab.e
1450 * c-common.c (lang_get_alias_set): Don't put structures in
1451 non-zero alias sets in C++.
1452 * c-decl.c (c_language): Define it.
1453 * c-lex.c (doing_objc_thang): Remove.
1454 * c-tree.h (doing_objc_thang): Make it a macro.
1455 * objc/objc-act.c (lang_decode_option): Set c_language, not
1458 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
1460 * diagnostic.c (output_maximum_width): Remove.
1461 (doing_line_wrapping): Tweak.
1462 (diagnostic_buffer): New object.
1463 (global_output_buffer): New object.
1464 (output_destroy_prefix): New function.
1465 (default_initialize_buffer): Likewise.
1466 (reshape_diagnostic_buffer): Likewise.
1467 (initialize_diagnostics): Likewise.
1468 (output_clear): Tweak.
1469 (line_wrapper_printf): Adjust call to init_output_buffer.
1470 (vline_wrapper_message_with_location): Likewise. Use
1471 output_destroy_prefix.
1472 (v_message_with_decl): Likewise.
1474 * diagnostic.h (struct output_buffer): Constify prefix.
1475 (init_output_buffer, output_get_prefix): Constify.
1476 (diagnostic_message_length_per_line): Likewise.
1477 (reshape_diagnostic_buffer): Declare.
1478 (default_initialize_buffer): Declare.
1479 (initialize_diagnostics): Declare.
1480 (diagnostic_buffer): Declare new obbject.
1482 * toplev.c: #include diagnostic.h
1483 (display_help): Document diagnostic formatting options.
1484 (decode_f_option): Handle diagnostic formatting options.
1485 (main): Setup initialization for diagnostic messages outputter.
1487 * toplev.h (set_message_length): Remove.
1489 * Makefile.in (toplev.o): Depends upon diagnostic.h
1491 * invoke.texi : Document diagnostics formatting options.
1493 Tue Jun 6 19:25:32 2000 Philippe De Muyter <phdm@macqel.be>
1495 * configure.in (Make the links): Typo fix : the file that must be
1496 included without #ifdef IN_GCC is `auto-host.h', not `auto-config.h'.
1497 * configure: File rebuilt.
1499 2000-06-06 Nathan Sidwell <nathan@codesourcery.com>
1501 * eh-common.h (EH_ALLOC_SIZE, EH_ALLOC_ALIGN): New #defines.
1502 (eh_context): Add alloc_mask and alloc_buffer emergency fallback
1504 * libgcc2.c (__eh_alloc): Moved from cp/exception.cc. Fallback on
1505 emergency eh_context buffer, if malloc fails.
1506 (__eh_free): Moved from cp/exception.cc. Release to emergency
1507 eh_context buffer, if appropriate.
1509 2000-06-06 Jason Merrill <jason@casey.soma.redhat.com>
1511 * expr.c (store_expr): Fix typo.
1513 2000-06-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1515 * m68k.c (legitimize_pic_address): Move prototype ...
1517 * m68k-protos.h (legitimize_pic_address): ... here.
1519 * m68k.md (legitimize_pic_address): Delete prototypes.
1520 (untyped_call): Invoke GEN_CALL(), not gen_call().
1522 * nextstep.c: Include system.h and toplev.h.
1523 (get_directive_line): Don't prototype.
1524 (handle_pragma): Mark parameters with ATTRIBUTE_UNUSED and constify.
1526 * nextstep.h (handle_pragma): Prototype.
1527 (SECTION_FUNCTION): Prototype FUNCTION(). Move prototype of
1528 objc_section_init ...
1529 (EXTRA_SECTION_FUNCTIONS): ... here.
1531 Tue Jun 6 08:17:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1533 * sdbout.c (struct sdb_file): NAME now const.
1534 (sdbout_init): input_file_name now const.
1535 (sdbout_start_new_source_file): FILENAME now const.
1536 * sdbout.c (sdbout_init, sdbout_start_new_source_file): Reflect above.
1538 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
1540 * c-typeck.c (build_conditional_expr): Handle complex data types.
1542 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
1544 * explow.c (maybe_set_unchanging): New function, broken out from...
1545 (set_mem_attributes): Here.
1546 * expr.h: Declare it.
1547 * stmt.c (expand_decl): Call it.
1549 2000-06-05 Richard Henderson <rth@cygnus.com>
1551 * reload1.c (choose_reload_regs): Mind CLASS_CANNOT_CHANGE_SIZE
1552 while looking for a register to inherit from.
1554 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
1556 * Makefile.in (libgcc.ready): Lose.
1557 (libgcc.mk): Just use mv, not move-if-change.
1558 (LIBGCC_DEPS): New macro.
1560 (stmp-multilib): Likewise.
1561 * mklibgcc.in (stmp-dirs): New target. Make everything depend on
1562 it rather than the directories themselves.
1563 (LIB2ADD): Depend on the list file rather than 'force'.
1565 * fold-const.c (fold, case COND_EXPR): Elide conversion between
1566 cv-qualified versions of types.
1568 Mon Jun 5 14:06:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1570 * config/sparc/sparc.c (short_branch): Correct error in range
1573 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1575 * fixinc/inclhack.def: New include hacks for ultrix.
1576 * (nested_ultrix): Replaced by ultrix_nested_svc.
1577 * (ultrix_atof_param): test_text string added.
1578 * (ultrix_ifdef): Modified select string.
1580 2000-06-05 Zack Weinberg <zack@wolery.cumb.org>
1582 * objc/objc-act.c (generate_method_descriptors): Register
1583 objc_method_prototype_template as a GC root.
1584 (comp_method_with_proto): Register function_type as a GC root.
1585 (comp_proto_with_proto): Replace function_type1 and
1586 function_type2 with a two-element array; register it as a GC root.
1588 (generate_protocols, build_protocol_initializer,
1589 generate_protocol_list, build_category_initializer,
1590 build_shared_structure_initializer): Do not cache cast_type
1593 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1595 * function.c (assign_parms): Add missing argument to set_mem_attributes
1598 2000-06-05 Nathan Sidwell <nathan@codesourcery.com>
1600 * tree.h (VOID_TYPE_P): New macro.
1601 (COMPLETE_OR_VOID_TYPE_P): Use VOID_TYPE_P.
1602 * c-decl.c (grokdeclarator): Use VOID_TYPE_P.
1603 (get_parm_info): Likewise.
1604 (store_parm_decls): Likewise.
1605 (combine_parm_decls): Likewise.
1606 (finish_function): Likewise.
1607 * c-typeck.c (build_function_call): Likewise.
1608 (build_binary_op): Likewise.
1609 (build_conditional_expr): Likewise.
1610 (internal_build_compound_expr): Likewise.
1611 (convert_for_assignment): Likewise.
1612 * stmt.c (expend_expr_stmt): Likewise.
1613 (warn_if_unused_value): Likewise.
1614 (expand_return): Likewise.
1615 * c-parse.in (primary): Likewise.
1616 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
1617 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
1619 Mon Jun 5 06:46:28 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1621 * alias.c (get_alias_set): If compnent is addressable, use alias
1623 * c-decl.c (init_decl_processing): Don't call record_component_aliases.
1624 (grokdeclarator): Likewise.
1625 * c-typeck.c (common_type): Likewise.
1627 2000-06-04 Alex Samuel <samuel@codesourcery.com>
1629 * Makefile.in (OBJS): Remove dyn_string.o
1630 (dyn-string.o): Delete rule.
1631 * dyn-string.c: Delete file
1632 * dyn-string.h: Likewise.
1634 2000-06-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1636 * Makefile.in (intl.*): Honor non-zero exit codes in the intl
1639 2000-06-03 Geoff Keating <geoffk@cygnus.com>
1641 * alias.c (record_component_aliases): Don't inspect
1642 DECL_NONADDRESSABLE_P of non-FIELD_DECL components of structures.
1644 Sat Jun 3 19:05:30 2000 Michael Meissner <meissner@redhat.com>
1646 * ifcvt.c (process_insns): If IFCVT_MODIFY_INSN is defined, call
1647 it with the pattern to do machine dependent work.
1648 (cond_exec_process_if_block): If IFCVT_MODIFY_TESTS is defined,
1649 use it to modify the true/false tests used in conditional
1650 execution. If IFCVT_MODIFY_FINAL and IFCVT_MODIFY_CANCEL are
1651 defined, invoke them if the conversion to conditional execution
1652 was successful or not.
1654 * tm.texi (IFCVT_MODIFY_TESTS): Document.
1655 (IFCVT_MODIFY_INSN): Ditto.
1656 (IFCVT_MODIFY_FINAL): Ditto.
1657 (IFCVT_MODIFY_CANCEL): Ditto.
1659 Sat Jun 3 15:26:13 2000 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1661 * toplev.c (main): Fix misspellings of possibility and language.
1663 2000-06-03 Richard Henderson <rth@cygnus.com>
1665 * alias.c (record_alias_subset): Initialize has_zero_child in the
1668 2000-06-03 Richard Earnshaw (rearnsha@arm.com)
1670 * arm.md (untyped_call): Use GEN_CALL macro.
1672 2000-06-02 Pekka Nikander <pnr@teldanex.tcm.hut.fi>
1674 * Makefile.in: Use $(MAKE) not "make"
1676 Fri Jun 2 19:31:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1678 * alias.c (struct alias_set_entry): New field has_zero_child.
1679 (mem_in_disjoint_alias_sets_p): Return 0 if set in either ase.
1680 (get_alias_set): If language-dependent routine set TYPE_ALIAS_SET,
1682 Call record_component_aliases for aggregate types.
1683 (record_alias_subset): Set has_zero_child.
1684 (record_component_aliases, case ARRAY_TYPE): Do nothing if
1685 TYPE_NONALIASES_COMPONENT.
1686 (record_component_aliases, case RECORD_TYPE): Test
1687 DECL_NONADDRESSABLE_P.
1688 * c-decl.c (grokdeclarator): Set DECL_NONADDRESSABLE_P instead
1689 of TREE_ADDRESSABLE.
1690 * calls.c (initialize_argument_information): Only test
1691 TYPE_TRANSPARENT_UNION for UNION_TYPE.
1692 * function.c (assign_parms): Likewise.
1693 * integrate.c (function_cannot_inline_p): Likewise.
1694 * stor-layout.c (finish_record_layout): Don't call
1695 record_component_aliases.
1696 * tree.h (struct tree_int_cst): Use struct tree_common.
1697 (struct tree_real_cst, struct tree_string): Likewise.
1698 (struct tree_complex, struct tree_identifier): Likewise.
1699 (struct tree_list, struct tree_vec, struct tree_exp): Likewise.
1700 (struct tree_block, struct tree_type, struct tree_decl): Likewise.
1701 (TYPE_TRANSPARENT_UNION): Use UNION_TYPE_CHECK.
1702 (TYPE_NONALIASES_COMPONENT): New macro.
1703 (TYPE_AMBIENT_BOUNDEDNESS): Use FUNCTION_TYPE_CHECK.
1704 (DECL_NONADDRESSABLE_P): New macro.
1705 (struct tree_decl): Reorder bits for clarity of how many left;
1708 2000-06-02 Jason Merrill <jason@casey.soma.redhat.com>
1710 * Makefile.in (libgcc.a): Also depend on $(LIB2ADD).
1711 * mklibgcc.in (force): New target.
1712 Make LIB2ADD stuff depend on it.
1714 2000-06-02 Richard Henderson <rth@cygnus.com>
1716 * alias.c (lang_get_alias_set): Remove.
1717 (get_alias_set): Call it directly, not indirectly.
1718 * c-common.c (lang_get_alias_set): Rename from c_get_alias_set.
1719 * c-common.h (c_get_alias_set): Don't declare.
1720 * c-decl.c (init_decl_processing): Don't set lang_get_alias_set.
1721 * expr.h (lang_get_alias_set): Declare as function, not pointer.
1723 2000-06-02 Bruce Korb <bkorb@gnu.org>
1725 * fixinc/server.c(sig_handler): resume closing server on SIGPIPE
1726 (server_setup): define the server's master pid
1727 (close_server): actually do the deed IFF we are the server's master
1729 2000-06-02 Jakub Jelinek <jakub@redhat.com>
1731 * c-common.c (c_get_alias_set): Check whether signed_type did not
1732 return its argument before calling get_alias_set on the result.
1734 2000-06-02 Andrew MacLeod <amacleod@cygnus.com>
1736 * expr.c (emit_group_load): Fix typo, GET_MODE not GET_CODE.
1738 Fri Jun 2 00:22:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1740 * sh.h (CPP_SPEC): Add -D__NOMACSAVE__ for -mnomacsave.
1741 (CONDITIONAL_REGISTER_USAGE): Mac registers are call used
1742 for TARGET_NOMACSAVE.
1743 (NOMACSAVE_BIT): Define.
1744 (TARGET_NOMACSAVE): Define.
1745 (TARGET_SWITCHES): Add "nomacsave".
1747 2000-06-02 Toshiyasu Morita <toshi.morita@sega.com>
1749 * sh.md (untyped_call): Remove excess parameters
1751 2000-06-01 Loren J. Rittle <ljrittle@acm.org>
1753 * fixinc/inclhack.def (osf_namespace_a): Relax expression to
1754 match that used before the conversion to c_fix style.
1755 * fixinc/fixincl.x: regenerate
1757 2000-06-01 Stan Cox <scox@cygnus.com>
1759 * varray.h (VARRAY_PUSH_GENERIC_PTR, VARRAY_PUSH_CHAR_PTR): Fix
1760 macro argument typo.
1762 2000-06-01 Zack Weinberg <zack@wolery.cumb.org>
1764 * cpplex.c (maybe_macroexpand): Use CPP_WTRADITIONAL. Improve
1766 * cpplib.c (parse_include): Remove support for VAX-C
1767 "#include starlet" misfeature.
1769 2000-05-31 Laurynas Biveinis <lauras@softhome.net>
1771 * cppfiles.c: conditionally define O_BINARY.
1772 (open_include_file): pass O_BINARY to open().
1774 2000-06-01 Richard Henderson <rth@cygnus.com>
1776 * i960.c (i960_br_predict_opcode): Remove.
1777 (i960_print_operand) [+]: Emit branch prediction hints.
1778 (i960_function_arg): Return early for VOIDmode.
1779 (i960_round_align): Return early for incomplete types.
1780 * i960.h (PRINT_OPERAND_PUNCT_VALID_P): New.
1781 * i960.md (all conditional branches): Add "%+".
1783 Thu Jun 1 12:24:21 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1785 * alias.c (get_alias_set): Don't call language-specific routine more
1786 than is needed and clean up code a bit.
1787 * c-common.c (c_get_alias_set): All references whose type
1788 is char get alias set 0, but character types need not.
1789 * varasm.c (make_function_rtl): Don't call set_mem_attributes.
1790 (make_decl_rtl): Don't call it for FUNCTION_DECL.
1792 2000-06-01 Bruce Korb <bkorb@gnu.org>
1794 * fixinc/tests/base/...: new base result files
1796 Thu Jun 1 09:37:35 2000 Clinton Popetz <cpopetz@cygnus.com>
1798 * config/i386/i386.c (ix86_use_fcomi_compare): Make global.
1799 * config/i386/i386-protos.h (ix86_use_fcomi_compare): Declare.
1800 * config/i386/i386.md (*fp_jcc_3, *fp_jcc_4): Disable if we
1803 2000-06-01 Richard Henderson <rth@cygnus.com>
1805 * Makefile.in (c-decl.o): Depend on $(EXPR_H), not expr.h.
1807 * c-decl.c (init_decl_processing): Set lang_get_alias_set first thing.
1809 2000-05-31 Richard Henderson <rth@cygnus.com>
1811 * config/ia64/ia64.c (sdata_symbolic_operand): Consider small
1812 CONSTANT_POOL_ADDRESS_P addresses for .sdata.
1813 * config/ia64/sysv4.h (SELECT_RTX_SECTION): New.
1815 2000-05-31 Richard Henderson <rth@cygnus.com>
1817 * config/ia64/ia64-protos.h (ia64_expand_prediction): Remove.
1818 * config/ia64/ia64.c (ia64_expand_prediction): Move code ...
1819 (ia64_print_operand) [+]: ... here. Use current_output_insn.
1820 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): New.
1821 * config/ia64/ia64.md (all branch/call patterns): Use %+.
1823 2000-05-31 Richard Henderson <rth@cygnus.com>
1825 * ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.
1827 2000-05-31 Richard Henderson <rth@cygnus.com>
1829 * ifcvt.c (merge_if_block): Be prepared for JOIN to have no
1831 (find_if_block): Allow THEN with no outgoing edges.
1832 * flow.c (merge_blocks_nomove): Remove a barrier not following
1835 2000-05-31 Richard Henderson <rth@cygnus.com>
1837 * flow.c (propagate_block): Move initialization of mem_set_list ...
1838 (init_propagate_block_info): ... here. Also track blocks with
1839 no successors; don't scan insns if ! PROP_SCAN_DEAD_CODE.
1841 2000-05-31 Richard Henderson <rth@cygnus.com>
1843 * jump.c (jump_optimize_1): Revert 05-18 change.
1845 2000-05-31 Mark Mitchell <mark@codesourcery.com>
1847 * invoke.texi: Remove documentation for -fguiding-decls.
1849 2000-05-31 Richard Henderson <rth@cygnus.com>
1851 * configure.in: Fix typo last change.
1853 2000-05-31 Philipp Thomas <pthomas@suse.de>
1855 * configure.in (enable-nls): Enable if build == host, i.e. when
1856 not building a canadian cross compiler.
1857 (enable-maintainer-mode): Added for use with i18n.
1858 * aclocal.m4 (AM_GNU_GETTEXT): Only build catalogs that are a
1859 cross section of ALL_LINGUAS and LINGUAS.
1860 * configure: Rebuild.
1862 2000-05-31 Bruce Korb <bkorb@gnu.org>
1864 * fixinc/check.tpl: rework to use test result tree
1865 * fixinc/Makefile.in: change invocation of check script
1866 * fixinc/check.diff: No longer needed
1867 * fixinc/fixincl.x: regenerate
1868 * fixinc/inclhack.def: add new tests
1869 * fixinc/tests/base/arch/i960/archI960.h: New test result
1870 * fixinc/tests/base/curses.h: modified test result
1871 * fixinc/tests/base/stdio.h: ditto
1872 * fixinc/tests/base/time.h: ditto
1873 * fixinc/tests/base/sys/asm.h: ditto
1874 * fixinc/tests/base/sys/stat.h: ditto
1875 * fixinc/tests/base/sys/wait.h: ditto
1877 Wed May 31 13:17:20 2000 Philippe De Muyter <phdm@macqel.be>
1879 * except.c (clear_function_eh_region): Do not free NULL.
1881 Wed May 31 08:07:52 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1883 * Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
1884 * alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
1885 (REG_BASE_VALUE): Remove unneeded cast to unsigned.
1886 (get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
1887 (find_base_decl): New function, from c_find_base_decl in c-common.c.
1888 (new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
1889 (get_alias_set): Likewise.
1890 Major rework to do more things and allow language-specific code
1891 to just handle special-cases.
1892 (record_alias_subset): Args are HOST_WIDE_INT.
1893 (record_component_alias): Local vars are HOST_WIDE_INT.
1894 Don't handle COMPLEX_EXPR.
1895 (get_varargs_alias_set): Moved from builtins.c.
1896 (get_frame_alias_set): New function.
1897 * builtins.c (expand_builtin_return_address): Use frame alias set.
1898 (expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
1900 (get_memory_rtx): Rework to use set_mem_attributes.
1901 (get_varargs_alias_set): Deleted from here.
1902 * c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
1903 (c_find_base_decl): Deleted from here.
1904 (c_get_alias_set): Remove many cases and rework to just handle
1906 * c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
1907 * c-decl.c (rtl.h, expr.h): Now included.
1908 (init_decl_processing): Call record_component_aliases on array types.
1909 (grokdeclarator): Likewise.
1910 Set TREE_ADDRESSABLE for all fields that are not bitfields.
1911 * c-typeck.c (common_type): Call record_component_aliases for array.
1912 * caller-save.c (setup_save_areas): Rework register loop for unsigned.
1913 Set all save areas to the frame alias set.
1914 * calls.c (initialie_argument_information): Call set_mem_attributes.
1915 (compute_argument_addresses, expand_call): Likewise.
1916 * explow.c (set_mem_attributes): New function.
1917 (stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
1918 * expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
1919 LEN and OFFSET now HOST_WIDE_INT.
1920 (clear_by_pieces): Similar changes.
1921 (move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
1922 (move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
1923 (move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
1924 (clear_by_pieces_1): Likewise.
1925 (emit_push_insn): Call set_mem_attributes.
1926 (expand_expr, case INDIRECT_REF): Likewise.
1927 (expand_expr, case VAR_DECL): Call change_address.
1928 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
1930 (get_varargs_alias_set, get_frame_alias_set): New decls.
1931 (record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
1932 (new_alias_set, set_mem_attributes): Likewse.
1933 * function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
1934 (assign_stack_temp_for_type): Likewise.
1935 Can split slot even if alias set since can copy.
1936 Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P.
1937 (assign_temp): Use host_integerp and tree_low_cst.
1938 (put_var_into_stack): Properly handle SAVE_EXPR.
1939 (put_addressof_into_stack): Likewise.
1940 (assign_parms): Call set_mem_attributes.
1942 (fix_lexical_address): Put reference to chain into frame alias set.
1943 (expand_function_start): Call set_mem_attributes.
1944 * integrate.c (expand_inline_function): Likewise.
1945 * recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
1946 * regmove.c (try_apply_stack_adjustment): Likewise.
1947 * reload.c (push_reload, make_memloc): Likewise.
1948 * reload1.c (alter_reg): Make alias sets for spilled pseudos.
1949 * rtl.def (MEM): Update comment.
1950 * rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
1951 (move_by_pieces): Change length to HOST_WIDE_INT.
1952 (record_base_value, record_alias_subset): Delete from here.
1953 * stmt.c (expand_decl): Call set_mem_attributes.
1954 * stor-layout.c (finish_record_layout): Call record_component_aliases.i
1955 * toplev.c (compile_file): Call init_alias_once earlier.
1956 * tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
1957 from here: now in alias.c.
1958 * tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
1959 (struct tree_decl): Likewise.
1960 (get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
1961 * varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
1962 (output_constant_def, force_const_mem): Likewise.
1964 * flow.c (propagate_block): If block has no successors, stores to
1965 frame are dead if not used.
1967 2000-05-31 Nathan Sidwell <nathan@codesourcery.com>
1969 * stmt (expand_end_case): Reorder conversion sequence for jump
1970 table to avoid extra truncations.
1972 Wed May 31 01:31:42 2000 Jeffrey A Law (law@cygnus.com)
1974 * ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
1975 in the block is more than just a simple conditional branch.
1976 (noce_process_if_block): Similarly.
1978 Tue May 30 22:25:57 2000 Alexandre Oliva <aoliva@cygnus.com>
1980 * optabs.c (prepare_float_lib_cmp): Protect *px and *py from
1983 2000-05-30 Michael Meissner <meissner@redhat.com>
1985 * dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
1986 instructions. Treat LO_SUM operations as loading the full integer
1989 2000-05-30 Richard Henderson <rth@cygnus.com>
1991 * combine.c (get_pos_from_mask): Test exact_log2 result as signed.
1993 2000-05-30 Richard Henderson <rth@cygnus.com>
1995 * bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
1997 2000-05-30 Bruce Korb <bkorb@gnu.org>
1999 * fixinc/tests/*: Added expected result files for fixinc's make check
2000 * fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
2002 2000-05-30 Richard Henderson <rth@cygnus.com>
2004 * config/alpha/alpha.md (*setne_internal): Use match_operator
2005 instead of working down from insn.
2007 2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2009 * invoke.texi (-Wtraditional): Update WRT function macros.
2011 Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
2013 * except.c (free_exception_table): Do not free NULL.
2015 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
2017 * cpplib.c (do_if): Don't save and restore only_seen_white here.
2018 * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
2021 2000-05-29 Richard Earnshaw (rearnsha@arm.com)
2023 * flow.c (mark_used_reg): If a register is unconditionally live,
2024 remove any conditional death information.
2026 2000-05-29 Richard Henderson <rth@cygnus.com>
2028 * final.c (current_output_insn): New.
2029 (final_scan_insn): Set it.
2030 * output.h: Declare it.
2032 2000-05-29 Richard Henderson <rth@cygnus.com>
2034 * stor-layout.c (finalize_record_size): Fix typo.
2036 * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
2039 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
2041 * cpplib.h (cpp_reader): Remove if_stack. Change
2042 potential_control_macro to a cpp_hashnode *. Add skipping flag.
2043 * cpphash.h (struct ihash): Change control_macro to a
2044 cpp_hashnode * and shorten name to cmacro.
2045 Add NEVER_REINCLUDE constant.
2047 * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
2048 Examine the cmacro node directly, no need to call cpp_defined.
2049 (_cpp_execute_include, read_include_file): Set cmacro to
2050 NEVER_REINCLUDE, not U"".
2051 * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
2052 (cpp_get_token): If pfile->skipping is true, discard text and
2053 keep scanning until we hit a directive; don't expand macros.
2055 * cpplib.c (struct if_stack): Remove if_succeeded, add
2056 was_skipping. Change control_macro to a cpp_hashnode * and
2057 shorten name to cmacro. Remove typedef IF_STACK.
2058 (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
2059 (conditional_skip, skip_if_group,
2060 consider_directive_while_skipping): Delete.
2061 (push_conditional): New.
2062 (_cpp_handle_directive): Don't process directives other than
2063 conditionals if we are skipping.
2065 (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
2066 Update to new scheme.
2067 (validate_else): Skip rest of line here, unconditionally.
2068 (_cpp_unwind_if_stack): The stack is per-buffer. Force
2069 pfile->skipping off.
2071 (all): Remove `scare quotes' from error messages.
2073 2000-05-29 Richard Henderson <rth@cygnus.com>
2075 * function.c (emit_return_into_block): New line_note arg; emit it.
2076 (thread_prologue_and_epilogue_insns): Attempt to locate a line note
2077 for the close brace to accompany HAVE_return. Move all line notes
2078 following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
2080 2000-05-29 Richard Henderson <rth@cygnus.com>
2082 * longlong.h [__alpha] (count_leading_zeros): New.
2083 (count_trailing_zeros): New.
2084 (COUNT_LEADING_ZEROS_0): New.
2086 * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
2087 (alpha_split_conditional_move): New.
2088 * config/alpha/alpha-protos.h: Prototype them.
2089 * config/alpha/alpha.h (PREDICATE_CODES): Update.
2090 (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
2091 * config/alpha/alpha.md: Update ffs cix commentary.
2093 (*nabssf2, *nabsdf2): New.
2094 (*mov[qhsd]icc_internal): Use add_operand.
2095 (if_then_else constant splitters): New.
2096 (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
2097 (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
2099 2000-05-29 Richard Henderson <rth@cygnus.com>
2101 * combine.c (force_to_mode) [MINUS]: Convert subtraction from
2102 a constant to NEG or NOT when conditions allow.
2104 * combine.c (combine_simplify_rtx): Don't create an if_then_else
2105 unless both args are general_operand. Don't canonicalize plus
2106 to ior unless it helps.
2108 * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
2109 instead track register_life_up_to_date. Toggle no_new_pseudos
2112 2000-05-28 Geoff Keating <geoffk@cygnus.com>
2114 * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
2115 so output_operand doesn't see them.
2117 Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
2119 * lcm.c (make_preds_opaque): Fix comment.
2120 (optimize_mode_switching): Use NORMAL_MODE instead of
2121 MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
2122 FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
2123 Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
2124 * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
2125 (MODE_USES_IN_EXIT_BLOCK): Delete.
2126 (MODE_AT_ENTRY) Rename to NORMAL_MODE.
2127 * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
2128 (MODE_AT_ENTRY): Rename to NORMAL_MODE.
2129 (MODE_NEEDED): Don't look for USE.
2130 (EPILOGUE_USES): Define.
2132 Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
2134 * mklibgcc.in (all): Variable initialised to `libgcc'.
2136 2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
2138 * toplev.h (skip_leading_substring): New macro.
2139 * toplev.c (decode_f_option): Use skip_leading_substring instead
2141 (decode_W_option): Likewise.
2143 2000-05-28 Nick Clifton <nickc@cygnus.com>
2145 * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
2148 2000-05-28 Richard Henderson <rth@cygnus.com>
2150 * regclass.c (record_operand_costs): Protect reg_changes_size
2151 with CLASS_CANNOT_CHANGE_SIZE.
2153 * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
2155 2000-05-28 Richard Henderson <rth@cygnus.com>
2157 * function.c (diddle_return_value): A pcc-style struct return
2160 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
2162 * cppfiles.c: Read files in, using mmap if possible, then
2163 prescan them separately.
2164 (read_file, read_with_read): New functions.
2165 * cpplex.c: Don't define UCHAR_MAX.
2166 (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
2169 * cppinit.c (handle_option): Automatically define __cplusplus,
2170 __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
2171 the respective -lang switch.
2173 * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
2174 prototype): Move to...
2175 * cpplib.h: ... here. Rename struct hashnode to struct
2176 cpp_hashnode and give it a typedef. Rename _cpp_lookup to
2177 cpp_lookup. Add 'fe_value' slot, a union tree_node *.
2179 2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
2181 * config/rs6000/rs6000.md (movsi): Constify 'name'.
2183 * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
2184 (class_can_change_size): New variable.
2185 (reg_changes_size): New variable.
2186 (init_reg_sets_1): Initialise class_can_change_size.
2187 (record_operand_costs): Remove subreg_changes_size.
2188 Don't pass it around. Instead update reg_changes_size.
2189 (regclass): Initialise and free reg_changes_size. If a register
2190 changes size, don't preference it to a class that contains
2191 registers that can't change size.
2192 (record_reg_classes): Don't look at subreg_changes_size.
2194 2000-05-27 Richard Henderson <rth@cygnus.com>
2196 * print-rtl.c (reg_names): Remove const.
2197 * regclass.c (reg_names): Likewise.
2198 * regs.h (reg_names): Likewise.
2199 * hard-reg-set.h (reg_names): Likewise.
2201 2000-05-27 Richard Henderson <rth@cygnus.com>
2203 * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
2205 2000-05-27 Richard Henderson <rth@cygnus.com>
2207 * config/alpha/alpha.c (alpha_does_function_need_gp): Test
2208 TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
2209 (alpha_expand_prologue): Emit prologue_mcount if needed.
2210 * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
2211 * config/alpha/alpha.md (prologue_mcount): New.
2212 * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
2213 (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
2214 * config/alpha/netbsd.h: Likewise.
2216 2000-05-27 Richard Henderson <rth@cygnus.com>
2218 * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
2219 change to config/elfos.h.
2221 2000-05-27 Richard Henderson <rth@cygnus.com>
2223 * Makefile.in (resource.o): Depend on except.h.
2224 * except.h (output_exception_table_data): Prototype.
2225 * genconfig.c (gen_peephole2): Prototype.
2226 * genemit.c (main): Include ggc.h.
2227 * genoutput.c: Revert parts of last change: include errors.h
2228 (main): Set progname.
2229 * recog.c: Include hard-reg-set.h before recog.h.
2230 * resource.c: Include except.h.
2232 * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
2234 (alpha_write_linkage): Protect with BUFSIZ.
2235 (alpha_need_linkage): Update prototype.
2236 * config/alpha/alpha.c (function_arg): Move VMS code here.
2237 (alpha_links_base): Remove.
2239 (mark_alpha_links_node, mark_alpha_links): New.
2240 (alpha_write_one_linkage): New.
2241 (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
2242 (alpha_write_linkage): Use splay_tree_foreach.
2243 * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
2244 to get the linkage symbol.
2245 (call_value_vms): Likewise.
2246 * config/alpha/elf.h (output_file_directive): Remove decl.
2247 (ctors_section, dtors_section): Prototype.
2248 (sbss_section, sdata_section): Prototype.
2249 * config/alpha/vms.h (FUNCTION_ARG): Remove.
2250 (readonly_section, link_section, literals_section): Prototype.
2251 (ctors_section, dtors_section): Prototype.
2252 (vms_valid_decl_attribute_p): Remove decl.
2253 (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
2255 2000-05-27 Geoff Keating <geoffk@cygnus.com>
2257 * reload.c (get_secondary_mem): Don't widen floating-point modes.
2259 * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
2260 substituting the REG in a (subreg:X (reg:Y ...)).
2262 2000-05-28 Neil Booth <NeilB@earthling.net>
2264 * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
2265 first token of a line BOL. Update EOF code for this.
2266 Remove illegal directive check - it appears in the (not
2267 yet committed) caller.
2268 * cpplib.h (BOL): New flag.
2270 2000-05-28 Neil Booth <NeilB@earthling.net>
2272 * cpplex.c (_cpp_init_toklist): No comment space to initialise.
2273 (_cpp_free_toklist): No comment space to free.
2274 (expand_comment_space): Remove.
2275 (save_comment_space): Place the comment in the current token and
2276 not in a separate comment space.
2277 (_cpp_lex_line): Save comments during plain code and #define
2279 * cpplib.h (struct _cpp_toklist): Remove comment space.
2281 2000-05-28 Neil Booth <NeilB@earthling.net>
2283 * cppexp.c (parse_assertion): Supply extra argument to
2285 * cpplib.c (do_assert, do_unassert): Similarly.
2286 * cpphash.h (_cpp_init_toklist) Update.
2287 (_cpp_expand_token_space): New.
2288 (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
2289 * cpplex.c (_cpp_init_toklist): New argument.
2290 (parse_string2): New argument multiline_ok.
2291 (spell_token): Take a const cpp_token *.
2292 (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
2293 (SPELL_ macros): Replace with enum.
2294 (expand_token_space): Replace with _cpp_expand_token_space.
2295 Take COUNT argument.
2296 (IS_DIRECTIVE): Update.
2297 (_cpp_lex_line): Update token structure before parsing number.
2298 Don't assume start at beginning of token list.
2299 (save_comment): Use INIT_TOKEN_NAME.
2301 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
2303 * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
2304 -Wmissing-prototypes.
2305 * configure: Regenerate.
2306 * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
2308 * builtins.c, calls.c: Change all instances of gen_call_* or
2309 gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
2310 * calls.c (struct_value_size_rtx): Separate definition from
2311 initialization to avoid unused variable warning.
2313 * genflags.c (gen_macro): New function.
2314 (gen_proto): Call it for gen_call_* and gen_sibcall_*.
2315 (gen_nonproto): Delete.
2316 (gen_insn): Put all insns on the same obstack.
2317 (main): Generate prototypes for everything unconditionally.
2319 * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
2320 out check for wchar_t.
2321 * acconfig.h: Add template for ssize_t. Remove @TOP@.
2322 * system.h: Add infrastructure for defining missing
2323 TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
2324 definitions of UCHAR_MAX and SSIZE_MAX.
2325 * configure: Regenerate.
2326 * config.in: Regenerate.
2328 * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
2329 Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
2331 (clean): No need to delete libgcc1.a, libgcc1-asm.a,
2332 libgcc2.a, or libgcc1.null.
2334 2000-05-27 Richard Henderson <rth@cygnus.com>
2336 * Makefile.in (recog.o): Don't depend on resource.h.
2337 * recog.c: Don't include resource.h.
2338 (recog_last_allowed_insn): Remove.
2339 (recog_next_insn): Remove.
2340 (struct peep2_insn_data): New.
2341 (peep2_insn_data, peep2_current): New.
2342 (peep2_next_insn): New.
2343 (peep2_regno_dead_p, peep2_reg_dead_p): New.
2344 (peep2_find_free_register): New.
2345 (peephole2_optimize): Track life information by insn as we go.
2346 * recog.h: Update declarations.
2347 * resource.c (find_free_register, reg_dead_p): Remove.
2348 * resource.h: Remove their declarations.
2349 * toplev.c: Include hard-reg-set.h before recog.h.
2351 * genconfig.c (max_insns_per_peep2): New.
2352 (gen_peephole2): New.
2354 * genemit.c (output_peephole2_scratches): Generate calls to
2355 peep2_find_free_register; adjust surrounding code.
2356 (main): Have insn-emit.c include hard-reg-set.h before recog.h.
2357 * genrecog.c (change_state): Don't track last_insn.
2358 (write_action): Write into *_pmatch_len before accepting.
2359 (write_tree): Adjust peephole2_insns and subroutines to match.
2361 * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
2363 * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
2364 (hard_int_register_operand): New.
2365 * config/alpha/alpha-protos.h: Declare it.
2366 * config/alpha/alpha.h (PREDICATE_CODES): Update.
2367 * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
2368 as needed; use peep2_reg_dead_p instead of dead_or_set_p.
2370 2000-05-27 Richard Henderson <rth@cygnus.com>
2372 * function.c (thread_prologue_epilogue_insns): Don't move the
2373 line note at the head of the chain. Only force a lineno note
2374 before the end of block 0.
2376 2000-05-27 Richard Henderson <rth@cygnus.com>
2378 * gensupport.c (collect_insn_data): Record the maximum number
2379 of alternatives, not the last seen.
2381 * genoutput.c: Don't include errors.h.
2382 (struct data): Add lineno member.
2384 (scan_operands): Use message_with_line instead of error.
2385 (validate_insn_alternatives): Likewise.
2386 (gen_insn): Accept and store the pattern's line number.
2387 (gen_peephole, gen_expand, gen_split): Likewise.
2388 (main): Don't set progname. Pass line_no to gen_foo.
2390 2000-05-27 Richard Henderson <rth@cygnus.com>
2392 * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
2393 * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
2394 * config/d30v/d30v.md (attr predicable): New.
2395 (all insn patterns): Mark non-predicable patterns; use %: on the rest.
2396 (andsi3*): Unify into one pattern.
2397 (iorsi3*, xorsi3*): Likewise.
2398 (peephole2 patterns): Use peep2_reg_dead_p; verify not a
2400 (old cond_exec patterns): Remove.
2401 (define_cond_exec): New.
2403 Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2405 * tree.h (TREE_CODE_LENGTH): New macro.
2406 * c-common.c (c_find_base_decl): Use it.
2407 * expr.c (safe_from_p): Likewise.
2408 * print-tree.c (print_node): Likewise.
2409 * tree.c (make_node, copy_node, get_identifier): Likewie.
2410 (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
2411 (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
2412 * fold-const.c (make_range): Likewise.
2413 (fold): Likewise; also use first_rtl_op.
2414 * c-iterate.c (collect_iterators): Use first_rtl_op.
2415 * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
2416 Use IS_EXPR_CODE_CLASS.
2417 (preexpand_calls): Likewise.
2418 * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
2419 and TREE_CODE_LENGTH.
2420 * stmt.c (warn_if_unused_value): If no operands, no unused value.
2422 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
2424 * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
2426 (movdi_internal64): Likewise.
2428 * config/rs6000/rs6000.md: Correct order of operands for DImode
2431 * config/rs6000/rs6000.c (boolean_or_operator): New function.
2432 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
2433 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
2434 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
2435 boolean_operator for the boolean patterns without NOTs.
2437 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
2438 from reg_or_u_cint_operand. Change comment and behaviour.
2439 (logical_operand): Clean up, add assertion.
2440 (non_logical_cint_operand): Also check for
2441 reg_or_logical_cint_operand.
2442 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
2443 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
2449 2000-05-26 Mark Mitchell <mark@codesourcery.com>
2451 * tree.h (struct record_layout_info): Rename to (struct
2452 record_layout_info_s).
2453 * stor-layout.c (start_record_layout): Replace
2454 `record_layout_info' with `record_layout_info_s'.
2456 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
2458 * flow.c (find_label_refs): New function.
2459 (find_basic_blocks_1): Call it for each alternative of a call
2462 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
2464 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
2467 2000-05-25 Richard Henderson <rth@cygnus.com>
2469 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
2470 so strict about DImode.
2471 (alpha_swapped_comparison_operator): Likewise.
2472 * config/alpha/alpha.md (*setne_internal): Name it. Allow
2473 any integer output mode.
2474 (*setcc_internal): Likewise.
2475 (*setcc_swapped_internal): Likewise.
2476 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
2477 (*mov[qhs]icc_internal): New.
2478 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
2480 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2482 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
2484 2000-05-25 Richard Henderson <rth@cygnus.com>
2486 * bb-reorder.c (reorder_block_def): Reorder elements for size.
2487 Remove add_jump; add next; replace flags with visited.
2489 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
2490 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
2491 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
2492 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
2494 (reorder_index, reorder_last_visited): Remove.
2495 (skip_insns_after_block): Rewrite to use a switch.
2496 (get_common_dest): Remove.
2497 (chain_reorder_blocks): Remove.
2498 (record_effective_endpoints): Split out from reorder_basic_blocks.
2499 (make_reorder_chain): Likewise. Loop until all blocks are placed.
2500 (make_reorder_chain_1): Renamed from old make_reorder_chain.
2501 Only construct the reorder chain, do not move insns. Try harder
2503 (label_for_bb, emit_jump_to_block_after): New.
2504 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
2505 and adjust the jump insns appropriately. Fixup basic_block_info.
2506 (verify_insn_chain): Always define.
2507 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
2509 (make_new_scope): Don't write zeros to calloc'd space.
2510 (build_scope_forest): Rely on xrealloc to DTRT.
2511 (reorder_basic_blocks): Don't build loop nest. Don't fail if
2512 profile_arc_flag. Streamline EH test.
2514 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
2515 * basic-block.h: Declare them.
2517 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
2519 * emit-rtl.c (reset_used_decls): New function.
2520 (unshare_all_rtl_again): Call it.
2522 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
2524 * cpplex.c (maybe_macroexpand): Warn about function-like
2525 macros used in non-function context, if -Wtraditional.
2527 2000-05-25 Mark Mitchell <mark@codesourcery.com>
2529 * recog.c (peephole2_optimize): Use INSN_P.
2531 2000-05-25 Richard Henderson <rth@cygnus.com>
2533 * ifcvt.c (seq_contains_jump): New.
2534 (noce_try_store_flag_constants): Use it to fail conversion.
2535 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
2537 2000-05-25 Mark Mitchell <mark@codesourcery.com>
2539 * except.h (can_throw): Declare it.
2540 * except.c (can_throw): Give it external linkage.
2541 * resource.c (find_dead_or_set_registers): Use can_throw.
2543 2000-05-25 Richard Henderson <rth@cygnus.com>
2545 * flow.c (mark_set_1): Don't record conditionally dead memory.
2547 2000-05-25 Jan Hubicka <jh@suse.cz>
2549 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
2550 and pc_set at the place of simplejump_p and condjump_p.
2551 * cse.c (record_jump_equiv): Likewise.
2552 * emit-rtl.c (emit): Likewise.
2553 * explow.c (find_next_ref): Likewise.
2554 * flow.c (tidy_fallthru_edge): Likewise.
2555 (init_propagate_block_info): Likewise.
2556 * gcse.c (delete_null_pointer_checks): Likewise.
2557 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
2558 dead_or_predicable): Likewise.
2559 * integrate.c (copy_insn_list): Likewise.
2560 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
2561 for_each_insn_in_loop, check_dbra_loop, get_condition,
2562 insert_bct, load_mems): Likewise.
2563 * resource.c (find_dead_or_set_registers): Likewise.
2564 * sibcalls.c (simplejump_p): Likewise.
2565 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
2567 2000-05-25 David Edelsohn <edelsohn@gnu.org>
2569 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
2570 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
2572 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
2573 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
2574 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
2575 * rs6000.md: Name various internal patterns.
2577 2000-05-25 Jan Hubicka <jh@suse.cz>
2579 * jump.c (invert_exp_1): Remove first argument, use pc_set
2580 to get the expression.
2581 (redirect_exp): Make static; redirect only the pc_set expression,
2582 remove first argument.
2583 (invert_exp): Remove first argument, make static.
2584 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
2585 any_onlyjump at most places where we originaly did condjump_p
2587 (jump_back_p, follow_jumps, thread_jumps): Likewise.
2588 (delete_barrier_succesors): Use pc_set.
2589 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
2590 calls of invert_exp and redirect_exp.
2591 * rtl.h (redirect_exp, invert_exp): Remove.
2592 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
2594 2000-05-25 Richard Henderson <rth@cygnus.com>
2596 * stmt.c (expand_end_bindings): Fix thinko last change.
2598 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
2599 Andrew Haley <aph@cygnus.com>
2601 * except.c (func_eh_entry): Add emitted field.
2602 (new_eh_region_entry): Set emitted field to 0;
2603 (output_exception_table_entry): Only emit previously un-emitted data,
2604 and send it to the eh_data section.
2605 (output_exception_table): Break out common parts. Output
2606 exception table for entire compilation unit to eh_data section.
2607 (output_exception_table_data): Common parts of output_exception_table.
2608 Send output to eh_data section.
2609 (output_function_exception_table): Output exception table data for
2610 a single function to eh_data section.
2611 (free_exception_table): New external to free the table.
2612 * except.h (free_exception_table): Add prototype.
2613 (output_function_exception_table): Add prototype.
2614 * final.c (final_end_function): Output function exception table
2615 for IA64_UNWIND_INFO.
2616 (final_scan_insn): Emit any unwind directives for an insn.
2618 * frame-dwarf2.c: New file containing all DWARF 2 specific code
2620 * frame.c: Remove all DWARF 2 specific code.
2621 * config/ia64/frame-ia64.c: New file.
2622 (gthread_stuff): Make all gthread available with
2624 (dwarf_fde): Define an IA64 struct for dwarf_fde.
2625 (__register_frame_info, __register_frame): Move to common area of file.
2626 (__register_frame_info_table, __register_frame_table): Move to common i
2628 (__deregister_frame_info, __deregister_frame): Move to common area.
2629 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
2630 (read_uleb128): New version for ia64.
2631 (get_unwind_record): Read the next IA-64 unwind record.
2632 (read_R_record): Read a region header record.
2633 (process_a_b_reg_code): X record helper.
2634 (read_X_record): Read an X format record.
2635 (read_B_record): Read a B format record.
2636 (P3_record_types): List of record types matching the P3 format.
2637 (P7_record_types): List of record types matching the P7 format.
2638 (P8_record_types): List of record types matching the P8 format.
2639 (read_P_record): Read a P format record.
2640 (init_ia64_reg_loc): Set default fields for a register.
2641 (init_ia64_unwind_frame): Set defaults for all register records.
2642 (execute_one_ia64_descriptor): Execute one descriptor record.
2643 (rse_address_add): Calculate the position of a local reg in memory.
2644 (normalize_reg_loc): Turn a location descriptor into a memory address.
2645 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
2646 within a specified PC offset range.
2647 (get_real_reg_value): Given a register location, retrieve its value.
2648 (set_real_reg_value): Change the value of a register location.
2649 (copy_reg_value): Copy reg values, if needed.
2650 (copy_saved_reg_state): Copy all registers that need to be copied.
2651 (process_state_between): Normalize all frame register records that
2652 fall within the specified PC range.
2653 (frame_translate): Take a processed frame description, and turn
2654 everything into addresses.
2655 (build_ia64_frame_state ): Find and create frame state record for a PC.
2656 (get_personality): Get the personality routine for a given frame.
2657 (get_except_table): Get the exception table for a given frame.
2658 (record_name): Unwind record names for debugging.
2659 (print_record): Print and unwind record.
2660 (print_all_records): Print an entire unwind image.
2661 (__ia64_backtrace): Print a backtrace.
2662 (ia64_backtrace_helper): New function.
2663 (__register_frame_info_aux): New function.
2664 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
2666 * frame.h (enum unw_record_type): New unwind record types.
2667 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
2668 (struct unw_r_record, unwind_record): New unwind record structs.
2669 (struct unwind_info_ptr): Unwind information layout.
2670 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
2672 (struct ia64_reg_loc): Register location description.
2673 (struct ia64_frame_state): Location of all registers in a frame.
2674 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
2675 * libgcc2.c (__ia64_personality_v1): Personality routine.
2676 (__calc_caller_bsp): Calculate the bsp register for the caller's
2678 (ia64_throw_helper): Figure out who to return to and set up the
2680 (__throw): Throw routine.
2682 * output.h (assemble_eh_align, assemble_eh_label): New functions
2683 to generate EH info where we want it.
2684 (assemble_eh_integer): New function.
2685 * toplev.c (compile_file): Output module level exception table for
2687 (main): Set exceptions_via_longjump and flag_new_exceptions based
2688 on IA64_UNWIND_INFO too.
2690 * varasm.c (assemble_eh_label): Generate a label via
2691 ASM_OUTPUT_EH_LABEL if it has been specified.
2692 (assemble_eh_align): Generate an alignment directive via
2693 ASM_OUTPUT_EH_ALIGN if it has been specified.
2694 (assemble_eh_label): Generate an integer value via
2695 ASM_OUTPUT_EH_type if they have been specified.
2696 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
2697 (ia64_init_builtins): Add __builtin_ia64_bsp
2698 and __builtin_ia64_flushrs.
2699 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
2700 IA64_BUILTIN_FLUSHRS.
2701 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
2702 IA64_BUILTIN_FLUSHRS.
2704 * config/ia64/ia64.md (flushrs): New insn to flush the register
2705 stack. Add to unspec list.
2707 * config/ia64/crtbegin.asm (frame_object): Change size.
2708 (__do_frame_setup_aux): New function.
2709 * config/ia64/crtend.asm: call __do_frame_setup_aux.
2710 * config/ia64/t-ia64 (LIB2ADDEH): Add.
2711 * Makefile.in (LIB2ADDEH): Add.
2712 (LIB2ADD): Use LIB2ADDEH.
2714 2000-05-24 Richard Henderson <rth@cygnus.com>
2716 * recog.c (offsettable_address_p): If mode size is zero, assume
2719 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
2721 * configure.in: Check for -Wno-long-long option support and improve
2722 handling of warning CFLAGS for stages 1 and 2.
2723 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
2724 * configure: Regenerate.
2726 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
2728 * gcc.texi: Remove contributor list. Instead include contrib.texi.
2729 * contrib.texi: New file.
2731 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2733 * loop.c (basic_induction_var): Avoid double recording of an increment.
2735 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2737 * Back out this patch:
2738 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
2739 * loop.h (struct induction): Add multi_insn_incr.
2740 * loop.c (basic_induction_var): New multi_insn_incr argument.
2741 Set it if we search back through previous insns for the biv.
2742 (record_biv): New multi_insn_incr argument; fill in struct induction.
2743 (strength_reduce): Discard an iv with multiple bivs, any of
2744 which require multiple insns to increment.
2746 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
2748 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2750 * rtl.h (loc_mentioned_in_p): Declare.
2751 * reload.c (loc_mentioned_in_p): Moved from here...
2752 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
2753 Fix loop increment for 'E' handling.
2754 * loop.c (strength_reduce): When doing biv->giv conversion,
2755 take multi-insn biv increments into account.
2757 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
2759 * stmt.c (expand_end_bindings): Look through NOTEs to find a
2762 2000-05-24 Mark Mitchell <mark@codesourcery.com>
2764 * calls.c (expand_call): Handle cleanups in tail-recursion
2765 arguments analagously to cleanups in sibling calls.
2767 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2769 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
2770 All callers changed.
2772 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
2774 * expr.c (expand_assignment, store_expr, expand_expr,
2775 expand_expr_unaligned): Set in_check_memory_usage while emitting
2776 chkr_check_addr libcall.
2778 2000-05-24 Nick Clifton <nickc@cygnus.com>
2780 * fold-const.c (extract_muldiv): When constructing a
2781 multiplier/divisor, do not expect const_binop to correctly
2782 determine if overflow has occured, so check explicitly.
2784 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
2786 * c-decl.c (build_enumerator): Don't modify the value's type,
2789 2000-05-24 Andreas Jaeger <aj@suse.de>
2791 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
2793 2000-05-24 Eric Christopher <echristo@cygnus.com>
2795 * configure.in: Redefine inhibit_libc conditions.
2796 * libgcc2.c: Remove inhibit_libc conditional define.
2797 * configure: Regenerate.
2799 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
2801 * configure.in: For --enable-languages=LIST, check for empty LIST.
2802 * configure: Regenerate.
2804 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
2806 * pdp11.h (STACK_BOUNDARY): Define.
2808 2000-05-24 Jakub Jelinek <jakub@redhat.com>
2810 * ifcvt.c (if_convert): Update life info globally.
2812 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2814 * emit-rtl.c (unshare_all_decls): New function.
2815 (unshare_all_rtl): Call it.
2817 2000-05-23 Nick Clifton <nickc@cygnus.com>
2819 * configure.in: Treat 'strongarm' as if it were 'arm' when
2820 determining cpu type.
2822 * configure: Regenerate.
2824 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
2825 where constant strings are involved.
2827 * config/arm/arm.h (arm_condition_codes): Change type to 'const
2830 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
2831 cases where constant strings are involved.
2833 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
2835 * config/sh/sh.c (gen_far_branch, split_branches): Update
2836 to reflect new prototypes for redirect_jump and invert_jump.
2837 (sh_insn_length_adjustment): Get rid of const warnings.
2839 2000-05-23 Kazu Hirata <kazu@hxi.com>
2841 * invoke.texi (Options for Debugging Your Program or GCC): Update
2842 the names of dump files.
2844 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
2846 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
2847 * configure: Regenerated.
2849 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
2851 * simplify-rtx.c (SIGN_EXTEND): New macro.
2852 (simplify_unary_operation, simplify_binary_operation,
2853 simplify_relational_operation): Use SIGN_EXTEND. Make low
2854 halves of (low, high) pairs unsigned if they weren't already.
2855 (simplify_ternary_operation): Cast INTVAL to unsigned before
2856 comparing to a MODE_BITSIZE.
2858 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2860 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
2861 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
2863 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
2864 gcc_AC_NEED_DECLARATIONS.
2866 * dwarfout.c: Don't prototype time().
2868 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
2870 * system.h: Likewise.
2872 * toplev.c: Likewise.
2874 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
2876 * c-decl.c (pushdecl): Invert sense of test for non-global types.
2878 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2880 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
2882 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
2884 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
2886 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2888 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
2889 (alpha_start_function): Never write ..ng label if VMS or NT.
2890 (alpha_align_insns): Remove GP_IN_USE arg.
2891 Alignment now unsigned.
2892 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
2893 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
2894 and two define_insn's.
2896 2000-05-22 Richard Henderson <rth@cygnus.com>
2898 * combine.c (simplify_comparison): Use trunc_int_for_mode.
2900 2000-05-22 Richard Henderson <rth@cygnus.com>
2902 * stor-layout.c (place_field): Change rli->size to rli->offset.
2904 2000-05-22 Richard Henderson <rth@cygnus.com>
2906 * function.c (thread_prologue_and_epilogue_insns): Make sure
2907 existing line number notes appear after the prologue.
2909 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2911 * config/alpha/alpha.c (alpha_fnname): New static variable.
2912 (print_operand, case '~'): New case.
2913 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
2914 (alpha_start_function): Set alpha_fnname.
2915 Write "ng" label if no ldgp; don't write ldgp insn.
2916 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
2917 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
2919 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
2921 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
2924 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
2926 * varasm.c (eh_frame_section): Revert change to argument list.
2928 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2930 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
2931 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
2933 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
2934 dangling "else" that causes "break" to be conditional.
2935 Also remove unneeded code at start.
2937 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
2939 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
2940 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
2941 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
2943 2000-05-22 Jakub Jelinek <jakub@redhat.com>
2945 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
2948 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2950 * alias.c (record_component_aliases): New function.
2951 * tree.h: Clean up some declarations and comments.
2952 (record_component_aliases): New declaration.
2953 * tree.c (get_alias_set): If type and has alias set, use it.
2955 2000-05-22 Richard Henderson <rth@cygnus.com>
2957 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
2958 IF_THEN_ELSE to a setcc form.
2959 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
2961 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2963 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
2964 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
2966 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2968 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
2971 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
2973 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
2974 * config/mn10300/mn10300.c (print_operand): Likewise.
2976 * final.c (split_double): Right shift of negative values is not
2979 * ifcvt.c (if_convert): Scan and kill dead code.
2981 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
2983 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
2985 * diagnostic.c: Eliminate implicit int.
2986 * except.c, gcc.c: Add static prototypes.
2987 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
2988 * gensupport.c (process_rtx): Use XVEC to initialize vector
2991 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
2992 debug_reg_names instead of static reg_names. If not, define
2994 * regclass.c: Don't define global reg_names unless
2995 DEBUG_REGISTER_NAMES is defined.
2997 * reload1.c (order_regs_for_reload): Remove unused variable.
2998 * varasm.c: Include output.h after defaults.h. Define
2999 eh_frame_section as function of no args, not of unspecified args.
3001 * gcc.c: Constify argbuf; arguments to store_arg,
3002 process_command, main; elements of struct command and struct
3003 switchstr; local variables in execute, process_command, main.
3005 2000-05-20 Bruce Korb <bkorb@gnu.org>
3007 * fixinc/inclhack.def: many applications of c_fix=format + tests
3008 * fixinc/check.diff: regenerated
3009 * fixinc/fixincl.x: regenerated
3011 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3013 * alias.c: Clarify some comments.
3014 (record_base_value): REGNO is unsigned.
3015 * rtl.h (record_base_value): Likewise.
3017 * alias.c (aliases_everything_p): Don't special-case QImode here.
3018 * c-common.c (c_get_alias_set): Do it here.
3019 Handle BIT_FIELD_REF by getting alias info for arg.
3022 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
3024 * mklibgcc.in: Restore rule to create ${dir}.
3026 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
3028 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
3029 GCC_FOR_TARGET used by MULTILIBS.
3030 * mklibgcc.in: Make sure each .o file depends on the
3031 directory it will be in.
3032 Make the multilib directory depends libgcc.
3034 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
3036 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
3038 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
3040 * fold-const.c (make_range): Handle degenerated intervals.
3041 Fixes c-torture/execute/991221-1.c
3043 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3045 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
3046 * reload.c (find_equiv_reg): Likewise.
3047 * alias.c (init_alias_analysis): Likewise.
3048 Only call prologue_epilogue_contains on insns.
3049 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
3050 * bb-reorder.c (hard-reg-set.h): Include earlier.
3051 * haifa-sched.c (hard-reg-set.h): Likewise.
3052 * ifcvt.c (hard-reg-set.h): Likewise.
3053 * local-alloc.c (hard-reg-set.h): Likewise.
3054 * loop.c (hard-reg-set.h): Likewise.
3055 * predict.c (hard-reg-set.h): Likewise.
3056 * regrename.c (hard-reg-set.h): Likewise.
3057 * flow.c (hard-reg-set.h): Likewise.
3058 (reg_set_to_hard_reg_set): New function.
3059 * bitmap.c (regs.h, basic-block.h): No longer include.
3060 (bitmap.h): Now include.
3061 * conflict.c (hard-reg-set.h): Include.
3062 * profile.c (hard-reg-set.h): Likewise.
3063 * print-rtl.c (hard-reg-set.h): Likewise.
3064 * sbitmap.c (hard-reg-set.h): Likewise.
3065 * toplev.c (hard-reg-set.h): Likewise.
3066 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
3067 * hard-reg-set.h (reg_names): Now constant.
3068 * regs.h (reg_names): Likewise.
3069 * regclass.c (reg_names): Likewise.
3070 * loop.h (basic-block.h): No longer include.
3071 (bitmap.h): Now include.
3072 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
3073 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
3074 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
3076 2000-05-19 Jan Hubicka <jh@suse.cz>
3077 Richard Henderson <rth@cygnus.com>
3079 * basic-block.h (struct edge_def): New field "count".
3080 (struct basic_block_def): Likewise.
3081 * flow.c (entry_exit_blocks): Add count fileds.
3082 (split_edge): Keep count information up-to-date.
3083 (dump_edge_info, dump_flow_info): Dump count fields.
3085 * final.c (count_instrumented_edges): Rename to edge from arc.
3086 (end_final): Update users.
3087 * profile.c: Include expr.h, basic-block.h.
3088 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
3089 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
3090 (ignore_next_note, return_label_execution_count): Kill.
3091 (bbg_file_name, da_file_name): Kill.
3092 (edge_info, bb_info): New structures.
3093 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
3094 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
3095 (total_num_edges_instrumented): Likewise.
3096 (init_arc, expand_spanning_tree): Kill.
3097 (fill_spanning_tree, tablejump_entry_p): Kill.
3098 (instrument_edges): Rewrite from instrument_arcs to use
3099 commit_edge_insertions infrastructure.
3100 (compute_branch_probabilities): Remove arguments; rewrite for
3101 CFG infrastructure; use rtl_dump_file directly.
3102 (branch_prob, find_spanning_tree): Likewise.
3103 (union_groups, find_group): New.
3104 (init_branch_prob): Make bbg_file_name and da_file_name local.
3105 (end_branch_prob): Use rtl_dump_file directly.
3106 (init_edge_profiler): Rename to edge from arc.
3107 (output_arc_profiler): Kill.
3108 (gen_edge_profiler): New.
3109 (output_func_start_profiler): Turn off profiling. Make the
3110 constructor static when we can.
3111 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
3113 * toplev.c (DFI_flow): Remove.
3114 (DFI_cfg, DFI_life): New.
3115 (dump_file): Update accordingly.
3116 (compile_file): Call end_branch_prob if profile_arc_flag too.
3117 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
3118 profiling after the CFG is built. Move flow1 life analysis to
3119 DFI_life. Always estimate remaining probabilities.
3121 2000-05-19 Richard Henderson <rth@cygnus.com>
3123 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
3125 * flow.c (make_edges): The sibling call edge to exit is abnormal.
3127 2000-05-19 Richard Henderson <rth@cygnus.com>
3129 * jump.c (redirect_jump): Add delete_unused argument. Don't
3130 remove labels and code following when LABEL_NUSES goes to zero.
3131 (invert_jump): Likewise.
3132 (jump_optimize_1): Fix redirect/invert arguments.
3133 (do_cross_jump, thread_jumps): Likewise.
3134 * flow.c (split_edge): Likewise.
3135 * reorg.c (optimize_skip): Likewise.
3136 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
3137 * profile.c (instrument_arcs): Likewise.
3138 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
3139 * rtl.h: Update prototypes.
3141 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
3143 * ssa.c (convert_from_ssa): Tell life_analysis we need death
3145 (make_regs_equivalent_over_bad_edges): Only look at abnormal
3148 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
3150 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
3151 past l1 when deleting whitespace and markers.
3153 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
3154 * cpplib.c (do_unassert): Put the list to compare against on
3157 2000-05-19 Bruce Korb <bkorb@gnu.org>
3159 * fixinc/README: cleaned up old documentation
3160 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
3161 * fixinc/check.tpl: compute the list of needed directories
3162 emit "#if defined(name)" because of conflict
3163 omit machine name differences from output differences
3164 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
3165 (machine_name): change test text to use `sed' markers
3166 * fixinc/fixincl.x: regen
3168 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3170 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
3173 2000-05-18 Chris Demetriou <cgd@sibyte.com>
3175 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
3176 it to match the current practice.
3178 2000-05-18 Mark Mitchell <mark@codesourcery.com>
3180 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
3182 2000-05-18 Richard Henderson <rth@cygnus.com>
3184 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
3185 * rtl.h (insn_dependant_p): Declare it.
3186 * loop.c (strength_reduce): Use it.
3188 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
3190 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
3191 16-bit and 64-bit clean-up.
3193 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
3195 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
3196 * configure: Rebuilt.
3198 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
3200 * genopinit.c: Use $ for escape sequences in optab patterns.
3201 Remove backslashes from optab patterns. Change $A, $B, $C to
3202 expand to (int) whatever instead of just whatever; remove
3203 explicit (int) from all optab patterns.
3205 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
3206 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
3207 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
3208 genrecog.c: Remove private copies of xmalloc, xrealloc, and
3211 2000-05-18 Richard Henderson <rth@cygnus.com>
3213 * jump.c (jump_optimize_1): Base minimum insn count during
3214 find_cross_jump on BRANCH_COST.
3216 2000-05-18 Jakub Jelinek <jakub@redhat.com>
3218 * print-rtl.c (print_rtx): Only print note line number as string
3219 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
3220 * final.c (final_scan_insn): Do nothing for note line number 0.
3222 2000-05-18 Jakub Jelinek <jakub@redhat.com>
3224 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
3225 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
3226 NOTE_INSN_DELETED_LABEL.
3228 2000-05-18 Nick Clifton <nickc@cygnus.com>
3230 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
3231 uninitialised data in .rodata not .bss, and do not interpret an
3232 error in the initialisation value as meaning that the variable
3233 should be placed in the .bss section.
3235 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
3237 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
3238 not `$ac_cv_prog_cc_cc_c_o'.
3239 * configure: Regenerated.
3241 2000-05-18 Chris Demetriou <cgd@sibyte.com>
3242 Richard Henderson <rth@cygnus.com>
3244 * c-common.h (enum c_tree_index): Add g77 type entries.
3245 (g77_integer_type_node, g77_uinteger_type_node): New.
3246 (g77_longint_type_node, g77_ulongint_type_node): New.
3247 * c-decl.c (init_decl_processing): Initialize them.
3249 2000-05-18 Richard Henderson <rth@cygnus.com>
3251 * config/h8300/h8300.md (subs patterns): Use %G to negate.
3253 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
3254 (small_power_of_two): Likewise; use exact_log2.
3255 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
3256 (output_adds_subs): Remove.
3257 (two_insn_adds_subs_operand): New.
3258 (split_adds_subs): New.
3259 * config/h8300/h8300-protos.h: Update.
3260 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
3261 (CONST_OK_FOR_L): Match strict adds operands.
3262 (CONST_OK_FOR_N): Match struct subs operands.
3263 * config/h8300/h8300.md (adds_subs insns): Remove.
3264 (addhi patterns): Output adds/subs directly.
3265 (addsi_h8300h): Likewise.
3266 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
3268 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
3270 * cppexp.c (parse_assertion): New.
3271 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
3272 (_cpp_parse_expr): Remove case '#'. Don't set
3273 parsing_if_directive.
3274 * cpphash.c (collect_objlike_expansion,
3275 collect_funlike_expansion, collect_params,
3276 _cpp_create_definition): The list no longer has a trailing
3278 * cpphash.h (enum node_type): Add T_ASSERTION.
3279 (struct hashnode): Remove aschain, add pred.
3280 (struct predicate): New.
3283 * cpplex.c (expand_token_space): Handle both offset and
3285 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
3286 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
3287 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
3288 _cpp_equiv_toklists): New.
3289 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
3290 stop at any single-character token, not just newline.
3291 (_cpp_lex_token): Remove special cases for #define and #if.
3292 (cpp_get_token): Expect # as a separate token type. Remove
3294 (_cpp_get_directive_token): Remove DIRECTIVE case.
3295 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
3297 * cpplib.c (_cpp_check_directive): Set dirno and
3298 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
3299 (_cpp_handle_directive): Run # <number> through the same logic
3300 as normal directives.
3301 (do_define): Don't set parsing_define_directive. Use
3302 _cpp_scan_until. The list does not have a VSPACE at the end.
3303 (do_if): Save, clear, and restore only_seen_white around
3305 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
3306 (do_assert, do_unassert): Rewrite.
3308 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
3309 (LIST_OFFSET): New flag.
3310 (struct cpp_toklist): Replace dir_handler and dir_flags with
3312 (struct cpp_reader): Remove parsing_if_directive and
3313 parsing_define_directive.
3315 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3317 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
3318 following the cabs decl which terminate on the following line.
3319 Add the corresponding test_text case.
3321 2000-05-18 Neil Booth <NeilB@earthling.net>
3323 * cppinit.c (cpp_reader_init): Initialise col_adjust and
3324 default tab stop size.
3325 (no_num, OPT_ftabstop): New.
3326 (handle_option): Handle "ftabstop=" command-line option.
3327 (print_help): Document it.
3328 * cpplex.c (COLUMN): Remove.
3329 (handle_newline): Reset col_adjust.
3330 (skip_whitespace): Update col_adjust as tabs encountered.
3331 (_cpp_lex_line): Update to use col_adjust. Call
3332 skip_whitespace for all whitespace.
3333 * cpplib.h (struct cpp_options): New member tabstop.
3334 (struct cpp_reader): New member col_adjust.
3335 (CPP_BUF_COL): Update.
3336 (CPP_BUF_COLUMN): New.
3337 * cpp.texi: Document "-ftabstop=" command line option.
3339 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
3341 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
3343 * configure: Rebuilt.
3345 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
3347 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
3349 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
3350 HOST_BITS_PER_WIDE_INT is >= 64.
3352 2000-05-17 Richard Henderson <rth@cygnus.com>
3354 * jump.c (jump_optimize_1): Remove inactive but real insns
3355 in jump-to-next-insn optimization.
3357 2000-05-17 Richard Henderson <rth@cygnus.com>
3359 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
3360 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
3361 Don't call recompute_reg_usage if no_new_pseudos is true.
3362 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
3363 Return true if we did work; update global life information.
3364 * basic-block.h (optimize_mode_switching): Update decl.
3366 2000-05-17 Neil Booth <neilb@earthling.net>
3368 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
3370 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
3372 * cpplib.c: New feature, #pragma system_header.
3373 * cpp.texi: Document special treatment of system headers, and
3374 the various mechanisms to get a header that special treatment.
3376 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3378 * system.h (offsetof): Define at the very end, to ensure we prefer
3379 the platform's definition if available.
3381 2000-05-16 Bruce Korb <bkorb@gnu.org>
3383 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
3384 * fixinc/server.c: likewise
3385 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
3386 + #ifdef debugging code + use #def constant for
3388 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
3389 on C++ math namespace
3391 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3393 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
3394 Don't check the return value of sprintf. Use asprintf to avoid
3397 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
3399 * flags.h (warn_unused_function, warn_unused_label,
3400 warn_unused_parameter, warn_unused_variable, warn_unused_value):
3401 Replace ``warn_unused''.
3402 (set_Wunused): Add declaration.
3403 * toplev.c (set_Wunused): New function.
3404 (warn_unused_function, warn_unused_label, warn_unused_parameter,
3405 warn_unused_variable, warn_unused_value): New variables.
3406 (W_options): Add -Wunused-function, -Wunused-function,
3407 -Wunused-label, -Wunused-parameter, -Wunused-variable and
3408 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
3410 * toplev.c (decode_W_option): Update -Wunused flags by calling
3412 * c-decl.c (c_decode_option): Ditto for -Wall.
3414 * stmt.c (expand_expr_stmt, expand_expr_stmt,
3415 warn_about_unused_variables): Replace warn_unused with more
3416 explicit warn_unused_value et.al.
3417 * function.c (expand_function_end): Ditto.
3418 * c-typeck.c (internal_build_compound_expr,
3419 internal_build_compound_expr): Ditto.
3420 * c-decl.c (poplevel, pop_label_level): Ditto.
3421 * toplev.c (check_global_declarations): Replace warn_unused with
3422 check for either warn_unused_function or warn_unused_variable.
3424 * gcc.1, invoke.texi (Warning Options): Document
3425 -Wunused-function, -Wunused-function, -Wunused-label,
3426 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
3428 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
3430 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
3431 $(srcdir), not in the current directory.
3433 2000-05-16 Richard Henderson <rth@cygnus.com>
3435 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
3436 assembler supports it.
3437 (.fini, .init): Use a gp-relative indirect call.
3438 (__do_global_dtors_aux): Preserve the gp; rebundle.
3439 (__do_frame_setup): Likewise.
3440 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
3441 (.init): Use a gp-relative indirect call.
3442 (__do_global_ctors_aux): Preserve the gp.
3444 2000-05-16 Richard Henderson <rth@cygnus.com>
3446 * flow.c (commit_one_edge_insertion): Be prepared for a return
3447 insn to be inserted on the edge with a normal jump.
3448 * jump.c (jump_optimize_1): Don't look to create return isns.
3450 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
3451 * jump.c (jump_optimize_1): Likewise.
3452 (returnjump_p): Verify the argument is a JUMP_INSN.
3453 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
3455 2000-05-16 Nick Clifton <nickc@cygnus.com>
3457 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
3458 GET_RTX_CLASS (GET_CODE ()) == 'i'.
3459 (large_insn_p): Ditto.
3460 (m32r_is_insn): New function: Return true if the insn contains
3461 an executable instruction.
3462 (m32r_adjust_insn): Use m32r_is_insn.
3463 (m32r_sched_reorder): Use m32r_is_insn.
3464 (m32r_sched_variable_issue): Use m32r_is_insn.
3466 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3468 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
3471 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
3473 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
3474 according to given options.
3476 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
3478 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
3479 if X has VOIDmode either.
3480 (LIMIT_RELOAD_CLASS): Similarly.
3482 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
3483 not "general_operand" to match the processor's capabilities.
3485 2000-05-16 Bruce Korb <bkorb@gnu.org>
3487 * fixinc/README: corrected return address
3488 * fixinc/check.diff: regenerate, now that test works
3489 * fixinc/fixfixes.c(format_fix,format_write): reformatted
3490 (char_macro_def_fix,char_macro_use_fix): corrected and
3491 rewrote to use regex to parse the text
3492 * fixinc/inclhack.def: more testing
3493 * fixinc/fixincl.x: regenerated
3495 * fixinc/inclhack.def: added several "test_text" attributes
3496 changed several fixes to use `c_fix = format'
3497 re-alphabetized the fixes
3499 * fixinc/check.diff: regenerate
3500 * fixinc/fixincl.x: regenerate
3501 * fixinc/check.tpl: added `sparc' and `netinet' to the list
3505 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
3507 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
3509 2000-05-15 Richard Henderson <rth@cygnus.com>
3511 * toplev.c (rest_of_compilation): Run full jump pass before
3512 find_basic_blocks of flow2.
3514 2000-05-15 Richard Henderson <rth@cygnus.com>
3516 * jump.c: Fix typos and clarify commentary from last change.
3517 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
3518 (safe_to_remove_jump_p): Remove.
3519 (condjump_label): Use pc_set.
3521 2000-05-15 Richard Henderson <rth@cygnus.com>
3523 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
3524 that get in the way after reload.
3525 (cond_exec_process_if_block): Skip a label heading THEN block.
3527 2000-05-15 Richard Henderson <rth@cygnus.com>
3529 * varasm.c (output_constant_pool): Abort instead of converting
3530 (improperly) deleted labels to zero.
3532 2000-05-16 Neil Booth <NeilB@earthling.net>
3534 * cpplex.c (parse_string2): Update comment.
3535 (cpp_lex_line): No special assertion treatment for '('.
3536 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
3537 * cpplib.h (SYNTAX_ASSERT): Remove.
3539 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
3541 * jump.c (condjump_p): Mark as depreached.
3542 (any_condump_p): New.
3543 (any_uncondump_p): New.
3545 (safe_to_remove_jump_p): New.
3546 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
3547 safe_to_remove_jump_p): Declare.
3549 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
3551 * calls.c: Re-install both patches reverted by last patch.
3552 (struct arg_data): New field tail_call_reg.
3553 (initialize_argument_information): Initialize tail_call_reg
3554 (load_register_parameters): New argument flags, use
3555 tail_call_reg when emiting tail call sequence.
3556 (expand_call): Update call of load_register_parameters;
3557 copy unadjusted_args_size to adjusted_args_size.
3559 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
3561 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
3562 and bct_p parameters to flags.
3563 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
3564 * rtl.h (loop_optimize): Update prototype.
3565 * toplev.c (rest_of_compilation): Update call of loop_optimize.
3567 2000-05-15 Jakub Jelinek <jakub@redhat.com>
3569 * calls.c (expand_call): Move expand_start_target_temps call after
3572 2000-05-15 Neil Booth <NeilB@earthling.net>
3574 * cpphash.c (trad_stringify, warn_trad_stringify,
3575 collect_params): Make some pointers pointers to const.
3576 * cpplex.c (auto_expand_name_space) Guaranteed to always
3577 expand by at least one character.
3578 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
3579 (struct token_spelling): Use const U_CHAR * rather than PTR.
3580 (expand_name_space): Fix up token pointers if name space
3581 is moved when expanding.
3582 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
3583 parse_string2, save_comment, spell_token, cpp_output_list):
3584 Update so the routines handle tokens with a direct pointer to
3585 their text, rather than an offset into the token's list's namebuf.
3586 (_cpp_lex_line): Rearrange for clarity.
3588 * cpplib.c (_cpp_check_directive): Similarly.
3589 (do_define): Make SYM a pointer to const.
3590 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
3591 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
3592 (TOK_OFFSET): Delete.
3595 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
3597 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
3600 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
3602 (logical_u_operand): Delete.
3603 (non_logical_cint_operand): Rewrite to take MODE into account.
3604 (non_logical_u_cint_operand): Delete.
3605 (boolean_operator): New function.
3606 (print_operand): Add new %q operand.
3607 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
3608 remove logical_u_operand and non_logical_u_cint_operand,
3609 update logical_operand and non_logical_cint_operand.
3610 * config/rs6000/rs6000.md: Rewrite the patterns for performing
3611 logical operations to use %q.
3613 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
3614 (movdi): Make similar to movsi.
3615 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
3616 is no such thing as a DImode CONST_DOUBLE.
3617 * config/rs6000/rs6000.c (output_toc): Likewise.
3619 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
3620 codes when old mnemonics are in use. Print register names
3621 for cc registers when requested.
3623 * optabs.c (expand_float): Don't allow mode widening that causes
3626 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
3627 flags to their current names -maix64 and -maix32.
3629 2000-05-14 Bruce Korb <bkorb@gnu.org>
3631 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
3632 and/or after current text of file
3633 * fixinc/fixlib.c(must_malloc):
3634 * fixinc/fixlib.h(must_malloc): + reformatting
3635 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
3636 with usages of ``c_fix = wrap;''
3637 Add several tests and use the ``c_fix = format'' fixer more.
3638 * fixinc/fixincl.x: regen
3639 * fixinc/check.diff: regen
3640 * fixinc/check.tpl: emit the associated header with the missing
3643 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
3645 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
3646 variables $src and $dst.
3648 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
3650 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
3651 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
3652 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
3653 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
3655 (set_message_prefixing_rule): Declare.
3657 * diagnostic.c: (current_prefixing_rule): New variable.
3658 (set_message_prefixing_rule): Define.
3659 (output_set_prefix): Adjust buffer->emitted_prefix_p.
3660 (init_output_buffer): Adjust Initialization.
3661 (output_emit_prefix): Rewrite. Take prefixing rules into account.
3663 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
3665 * ifcvt.c (if_convert): Do not free NULL.
3667 2000-05-12 Nick Clifton <nickc@cygnus.com>
3669 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
3670 to move a double word value.
3671 (di_operand): New function: Return true if the operand is suitbale
3672 for a double word move operation.
3673 (nonimmediate_di_operand): New function: Return true if the
3674 operand is a DImode register or MEM.
3676 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
3677 nonimmediate_di_operand.
3679 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
3680 nonimmediate_di_operand.
3682 * config/fr30/fr30.md (movdi): New pattern. Required because
3683 other patterns generate DImode results.
3684 (movdi_insn): New pattern.
3686 2000-05-12 Richard Henderson <rth@cygnus.com>
3688 * config/alpha/alpha.c (struct shadow_summary): Define
3689 bitfields as type unsigned int.
3691 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
3693 * config/avr/t-avr: Added definition of FLOAT while generates
3696 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
3697 peepholes for tst+jump = sbrs/sbrc optimization.
3699 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
3701 * expr.c (emit_push_insn): Do not adjust stack pointer when
3704 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
3706 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
3707 * system.h (offsetof): ... to here.
3709 2000-05-12 Richard Henderson <rth@cygnus.com>
3711 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
3712 * final.c (final_end_function): Use app_disable. Rearrange note
3713 handling into a switch. Emit deleted labels.
3714 (output_asm_label): Generate label strings for deleted labels.
3715 * flow.c (tail_recursion_label_list): New.
3716 (find_basic_blocks_1): Set label_value_list directly. Collect list
3717 of tail recursion labels from call_placeholders. Don't add deleted
3718 labels to the label value list.
3719 (cleanup_cfg): Use free_EXPR_LIST_list.
3720 (flow_delete_insn_chain): Turn non-removable labels into notes.
3721 (flow_delete_block): Don't disable deleting the block because of
3722 a non-removable label.
3723 (tail_recursion_label_p): New.
3724 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
3726 (merge_blocks_move_successor_nojumps): Likewise. Also move a
3728 (merge_blocks): Disable a merge because of tail recursion labels.
3729 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
3730 Use a more accurate measure of not merging the join block.
3731 (find_if_block): Don't disable conversion because of a label.
3732 (find_if_case_1, find_if_case_2): Likewise.
3733 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
3734 element when copying.
3735 (squeeze_notes): Also leave EH notes.
3736 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
3738 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
3740 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
3741 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
3742 referring to a deleted label. Convert tail handling to a switch.
3743 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
3744 for NOTE_INSN_DELETED_LABEL.
3745 (NOTE): Fix commentary.
3746 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
3747 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
3748 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
3749 (LABEL_NUSES, LABEL_REFS): Likewise.
3750 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
3752 2000-05-12 Bruce Korb <bkorb@gnu.org>
3754 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
3755 * fixinc/check.diff: updated
3756 * fixinc/inclhack.def: corrected & added some test_text-s
3757 * fixinc/genfixes: removed unneeded options to autogen invocation
3758 * fixinc/fixincl.tpl: Specified the output file
3759 * fixinc/fixfixes.c: visual appearance
3760 * fixinc/fixincl.x: regenerate
3762 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
3764 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
3765 CTRL_defn_fix): Delete.
3766 (fix_char_macro_defines, fix_char_macro_uses): Rename to
3767 char_macro_def_fix and char_macro_use_fix, respectively. Put
3768 them into the FIXUP_TABLE. Get the string to search for from
3771 (format_write): New function.
3772 (format_fix): Use it.
3774 (FIX_PROC_HEAD): Constify text parameter.
3775 (machine_name_fix): Constify all char *s.
3776 * fixtests.c (skip_quote): Remove double static.
3778 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
3779 ctrl_use_quotes): Update for new scheme.
3780 * fixincl.x: Regenerate.
3782 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
3784 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
3786 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
3787 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
3789 2000-05-11 Robert Lipe <robertlipe@usa.net>
3791 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
3792 * fixincl.x: Regenerate.
3794 2000-05-11 Richard Henderson <rth@cygnus.com>
3796 * calls.c: Revert both 05-09 patches.
3798 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
3800 * config/mn10300/mn10300.c (print_operand): Print FP constants in
3802 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
3805 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
3806 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
3808 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
3810 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
3812 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
3814 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
3816 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
3818 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
3819 * config/avr/avr.c (jump_over_one_insn_p): New function.
3820 * config/avr/avr.md: New peepholes added. Output test and
3821 conditional jump to "sbrc" or "sbrs" command.
3823 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
3825 * cppmain.c (main): Use IS_DIR_SEPARATOR.
3827 2000-05-11 Jakub Jelinek <jakub@redhat.com>
3829 * except.c (find_exception_handler_labels_1): New function.
3830 (find_exception_handler_labels): Split into two functions, dive
3831 into CALL_PLACEHOLDERs when looking for exception handler labels.
3833 2000-05-11 Stan Cox <scox@cygnus.com>
3835 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
3836 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
3837 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
3839 2000-05-11 Bruce Korb <bkorb@gnu.org>
3841 * fixinc/fixfixes.c (double_slash_fix): obsolete
3842 (else_endif_label_fix): obsolete
3843 (format_fix): new, unused as yet
3845 * fixinc/fixlib.h: added fix description struct for use by format_fix
3846 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
3847 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
3848 modules. Removed the vestiges of the script version.
3849 Added support for "make check".
3850 * fixinc/check.diff: base diff file (needs work!!)
3851 * fixinc/check.tpl: quiet the fixup output
3852 * fixinc/fixtests.c (main): obsolete
3853 * fixinc/fixincl.sh: don't bother copying fixincl to ..
3854 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
3856 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
3858 * toplev.c (rest_of_compilation): Remove dead code after
3861 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
3863 * cpphash.c (collect_funlike_expansion): Make "# is not
3864 followed by a macro argument name" a pedwarn, not an error.
3865 Preserve the # in the output. Suppress the warning if lang_asm.
3867 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
3869 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
3870 * configure: Rebuilt.
3872 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
3874 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
3876 2000-05-10 Kazu Hirata <kazu@hxi.com>
3878 * combine.c (try_combine): Fix a typo.
3880 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
3882 * config/ia64/ia64.md (insv): Add comment.
3884 2000-05-10 Richard Henderson <rth@cygnus.com>
3886 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
3887 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
3888 dependancies on FPBIT and DPBIT.
3890 2000-05-10 Nick Clifton <nickc@redhat.com>
3892 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
3893 when optimising for size.
3894 (mark_used_regs:) Ditto.
3895 (try_pre_increment_1): Ditto.
3897 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
3899 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
3900 Make error message friendlier.
3902 * cpphash.h (struct hashnode): Use struct hack for name
3904 * cpphash.c (struct hashdummy): New.
3905 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
3906 (make_HASHNODE): No need to set ->name pointer. Correct
3908 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
3910 2000-05-10 Richard Henderson <rth@cygnus.com>
3912 * flow.c (find_basic_blocks_1): Remove any spare bb_note
3915 2000-05-10 Bruce Korb <bkorb@gnu.org>
3917 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
3919 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
3921 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
3922 after we enter .debug.
3924 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
3926 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
3927 abstract instance of a nested inline function.
3929 * stor-layout.c (finish_record_layout): finalize_type_size
3930 before laying out the pending_statics.
3932 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
3934 * cpplex.c (spell_token): New function.
3935 (spell_string, spell_comment, spell_name): fold into
3938 (E, H): Remove macros.
3939 (save_comment): Save comment opening characters too.
3940 (_cpp_lex_file): Update to use spell_token. Tidy up comment
3942 * cpplib.h (I, S): Add macros.
3943 (E, H): Remove macros.
3944 (TTYPE_TABLE): Update entries for new speller.
3945 (SYNTAX_ASSERT): Remove.
3947 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
3949 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
3950 when removing escaped newlines. Reverse sense of test for
3953 2000-05-09 Richard Henderson <rth@cygnus.com>
3955 * flow.c (find_basic_blocks_1): Do not delete the first
3956 bb_note we run across.
3957 (create_basic_block): Use reorder_insns to move an existing
3958 bb_note to the correct place.
3960 2000-05-09 Richard Henderson <rth@cygnus.com>
3962 * calls.c (expand_call): Increment currently_expanding_call
3963 before calling optimize_tail_recursion.
3965 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3967 * reload1.c (reload_combine): Fix errors in last change.
3969 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
3971 * gcc.c (used_arg): Skip over a semicolon at the end of the
3972 split-up loop; don't break out of it.
3974 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
3975 (tree.o): Depend on output.h.
3977 * c-decl.c (pending_invalid_xref_file,
3978 current_function_prototype_file): Constify.
3979 (pushdecl): Constify a local char *.
3980 (define_label): Constify filename parameter.
3981 * c-lex.c (init_parse): Constify parameter and return value.
3982 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
3983 * c-tree.h: Update prototypes.
3984 * c-parse.in: Constify filename member of %union, and if_stmt_file.
3985 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
3986 objc/objc-parse.c: Regenerate.
3988 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
3989 * dwarfout.h: Update prototypes.
3990 * expr.c (expand_expr): Constify a local char *.
3991 * flags.h: Constify main_input_filename.
3992 * function.c (expand_function_end): Constify filename parameter.
3993 * genrecog.c (make_insn_sequence): Use a character array for
3995 (main): Remove unused variables.
3996 * input.h: Constify input_filename, main_input_filename, and
3997 file_stack.name. Update prototypes.
3998 * output.h: Declare first_global_object_name and
3999 weak_global_object_name here, as const char *.
4000 * stmt.c (expand_asm_operands): Constify filename parameter.
4001 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
4002 Constify filename parameter.
4003 (input_filename, main_input_filename): Constify.
4004 * toplev.h: Update prototypes.
4005 * tree.c: Include output.h. Don't declare
4006 first_global_object_name or weak_global_object_name. Clean up string
4007 bashing in get_file_function_name_long.
4008 * tree.h (struct tree_decl): Constify filename member.
4009 (input_filename): Constify.
4011 * varasm.c (first_global_object_name, weak_global_object_name):
4013 (assemble_start_function, assemble_variable): Clean up string bashing.
4015 * gcc.c: Constify all spec-related strings initialized,
4016 transitively, from string constants. Constify all strings
4017 and string variables related to multilibs.
4018 (set_spec, read_specs): Cast argument to free to PTR.
4019 (used_arg): Do not modify multilib_matches. Use strncmp plus
4020 length comparison to compare multilib switches.
4021 * genmultilib: Constify everything declared in multilib.h.
4023 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
4025 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
4028 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
4030 * config/avr/avr-protos.h (extra_constraint): change a type of
4031 second argument from char to int to avoid warnings.
4032 (asm_output_byte): Likewise.
4034 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
4035 (initial_elimination_offset): Handle elimination from
4036 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
4037 (legitimate_address_p): Use MAX_LD_OFFSET.
4038 (legitimize_address): Likewise.
4039 (out_movqi_r_mr): Likewise.
4040 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
4041 (out_movsi_r_mr): Use MAX_LD_OFFSET.
4042 (out_movsi_mr_r): Likewise.
4043 (out_movqi_mr_r): Likewise.
4044 (out_movhi_mr_r): Likewise.
4045 (notice_update_cc): Correct CC for the ashrqi3 with the shift
4046 count as CONST_INT != 6.
4047 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
4048 shift count is a CONSTANT_P, but not a CONST_INT.
4049 (ashlhi3_out): Coding style modifications.
4050 (ashlsi3_out): Likewise.
4051 (ashrhi3_out): Likewise.
4052 (ashrsi3_out): Likewise.
4053 (lshrhi3_out): Likewise.
4054 (lshrsi3_out): Likewise.
4055 (ashrqi3_out): Generate shift for any known constant count without
4056 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
4057 but not a CONST_INT.
4058 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
4059 shift count is a CONSTANT_P, but not a CONST_INT.
4060 (extra_constraint): change a type of
4061 second argument from char to int to avoid warnings.
4062 (asm_output_byte): Likewise.
4063 (asm_file_end): Output size generated commands count as a hex
4066 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
4068 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
4070 (ashlqi3): Values of "length" attribute changed. Shift count
4071 uses constraints 'n' instead of 'i'.
4072 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
4073 shifts without clobber register.
4074 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
4075 (call_insn): Correct test for which_alternative == 1 (was 0).
4076 (call_value_insn): Likewise.
4078 * config/avr/t-avr: Remove definition of FLOAT while generates
4081 2000-05-09 Bruce Korb <bkorb@gnu.org>
4083 * fixinc/check.tpl: Template for checking fixes
4084 * fixinc/inclhack.def: Added 'test_text' for many fixes
4085 disable hpux8_bogus_inlines on SCO
4086 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
4088 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
4090 * calls.c (expand_call): Reorganize somewhat in order
4091 to avoid unnecesary recalculation inside loop and make
4092 tail call failure code cleaner.
4094 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4096 * alias.c (nonlocal_reference_p): Minor reformatting.
4097 * reload.c (find_equiv_reg): Simplify logic for
4098 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
4099 some some reformatting.
4100 * reload1.c (reload_combine): Don't assume everything in
4101 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
4103 2000-05-08 Richard Henderson <rth@cygnus.com>
4105 * final.c (current_insn_predicate): New.
4106 (final_scan_insn): Set it.
4107 * output.h (current_insn_predicate): Declare.
4109 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
4110 Attach it to call insns.
4111 (cond_exec_process_if_block): Track probability for true and
4113 (dead_or_predicable): Likewise.
4115 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
4116 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
4117 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
4118 (estimate_probability, expected_value_to_br_prob): Use them.
4120 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
4121 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
4122 (ia64_expand_prediction): New.
4123 (emit_insn_group_barriers): Don't look at notes. Emit barriers
4124 as needed after calls.
4125 (ia64_epilogue_uses): Mark b0 used.
4126 * config/ia64/ia64.md (beq_true, beq_false): Remove.
4127 (bne_true, bne_false): Remove.
4128 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
4129 (br_true, br_false): New. Use predicate_operator and
4130 ia64_expand_prediction.
4131 (return_true, return_false): Likewise.
4132 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
4133 (call_internal1, call_value_internal): Likewise.
4134 (call_value_internal1, call_multiple_values_internal1): Likewise.
4136 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
4138 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
4140 2000-05-08 Richard Henderson <rth@cygnus.com>
4142 * rtlanal.c (may_trap_p): Consider old-style and volatile
4145 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
4147 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
4149 2000-05-08 Richard Henderson <rth@cygnus.com>
4151 * config/ia64/ia64.h (predicate_operator): Declare.
4153 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
4156 * gensupport.c (process_rtx): Copy and post-process each member
4157 of the define_insn rtvec individually.
4159 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
4161 * cpplex.c (spell_token): New function.
4162 (TOKEN_LEN): Add 1 for whitespace.
4163 (_cpp_lex_file): Update to use spell_token.
4164 * cpplib.h (E): Remove.
4165 (TTYPE_TABLE): Update CPP_VSPACE entry.
4167 2000-05-08 Richard Henderson <rth@cygnus.com>
4169 * flow.c (init_propagate_block_info): Watch out for conditional
4170 branch to next instruction, and thus one outgoing edge.
4172 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
4173 for global register variables; don't special case __[CD]TOR_LIST__;
4174 mind ggc_p for string allocation.
4176 2000-05-08 Nick Clifton <nickc@cygnus.com>
4178 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
4180 2000-05-08 Bruce Korb <bkorb@gnu.org>
4182 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
4183 i?86-*-msdosdjgpp* no longer uses fixincludes
4184 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
4185 * fixinc/inclhack.sh: deleted
4186 * fixinc/hackshell.tpl: deleted
4187 * fixinc/inclhack.tpl: deleted
4188 * fixinc/Makefile.in: Remove dependencies on above
4189 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
4191 2000-05-08 Andreas Jaeger <aj@suse.de>
4193 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
4196 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
4198 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
4201 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
4203 * cpplex.c: Move new lexer definitions and prototypes
4204 to top. Conditional include these and the code if
4205 NEW_LEXER is defined. Rename functions whose names
4206 clash if this code included.
4208 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
4210 * rtl.def (COND_EXEC): Clarify.
4212 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
4213 same fashion as zero_extendsidi2.
4215 2000-05-06 Richard Henderson <rth@cygnus.com>
4217 * config/ia64/ia64.c (predicate_operator): New.
4218 (ia64_print_operand): Handle 'J'.
4219 (rtx_needs_barrier): Handle COND_EXEC.
4220 * config/ia64/ia64.h (BRANCH_COST): Define.
4221 (PREDICATE_CODES): Update.
4222 * config/ia64/ia64.md: Docuement used unspec values.
4223 (attr predicable): New.
4224 (movxf, movxf_internal): New.
4225 (extendsfdf2): Don't comment out nop.
4226 (floatdidf2): Remove.
4227 (truncxfsf2, truncxfdf2, floatdixf2): New.
4228 (abssi2, absdi2): Put the neg in the "true" slot.
4229 (conditional branch instructions): Mark not predicable.
4230 (cmov*_internal): Use predicate_operator. Split to cond_exec.
4231 (abs*_internal): Likewise.
4232 (alloc, set_bsp): Mark not predicable.
4233 (barrier, insn_group_barrier, flush_cache): Likewise.
4234 (define_cond_exec): New.
4236 2000-05-06 Richard Henderson <rth@cygnus.com>
4238 * c-decl.c: Include "tm_p.h".
4240 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
4241 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
4242 (ia64_expand_op_and_fetch): Declare.
4243 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
4244 (setjmp_operand): Constify variables for XSTR.
4245 (ia64_encode_section_info): Likewise.
4246 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
4248 (ia64_asm_output_external): Constify name.
4249 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
4250 (process_for_unwind_directive): Provide switch default.
4251 (ia64_expand_compare_and_swap): Remove unused variables.
4252 (ia64_expand_builtin): Likewise.
4253 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
4256 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
4257 (symbolic_operand, function_operand, setjmp_operand): Likewise.
4258 (shift_count_operand, shift_32bit_count_operand): Likewise.
4259 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
4260 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
4261 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
4262 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
4263 (ia64_expand_builtin): Likewise.
4264 (call_multiple_values_operation): Make dest_regno unsigned.
4266 2000-05-06 Richard Henderson <rth@cygnus.com>
4268 * rtl.def (DEFINE_COND_EXEC): New.
4269 * md.texi: Document it.
4271 * gensupport.c (input_file): Remove.
4272 (struct queue_elem): Add lineno.
4273 (rtx_ready_queue): Remove.
4275 (predicable_default): New.
4276 (predicable_true, predicable_false): New.
4277 (define_attr_queue, define_attr_tail): New.
4278 (define_insn_queue, define_insn_tail): New.
4279 (define_cond_exec_queue, define_cond_exec_tail): New.
4280 (other_queue, other_tail): New.
4281 (queue_pattern): New.
4282 (process_rtx): Add patterns to the appropriate queues.
4283 (is_predicable, identify_predicable_attribute): New.
4284 (n_alternatives, collect_insn_data): New.
4285 (alter_predicate_for_insn, alter_test_for_insn): New.
4286 (shift_output_template, alter_output_for_insn): New.
4287 (process_one_cond_exec, process_define_cond_exec): New.
4288 (init_md_reader): Read the entire file. Process define_cond_exec.
4289 (read_md_rtx): Return elements from the queues.
4291 2000-05-06 Richard Henderson <rth@cygnus.com>
4293 * flow.c (mark_set_1): Don't update conditional life info
4294 if the register is not_dead.
4296 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
4298 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
4299 (mostlyclean): Also delete fixincl, fixinc.sh, and
4300 specs.ready, and make clean in the fixinc subdir.
4302 2000-05-06 Richard Henderson <rth@cygnus.com>
4304 * Makefile.in (gensupport.o): Compile for the host.
4305 (host-prefix gensuuprt.o): Remove.
4306 (genflags.o): Depend on gensupport.h and OBSTACK_H.
4307 (genattrtab.o): Likewise.
4308 (gencodes.o): Depend on gensupport.h.
4309 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
4310 (genpeep.o, genattr.o, genoutput.o): Likewise.
4312 * gensupport.c (obstack, rtl_obstack): New.
4313 (init_md_reader): Initialize rtl_obstack.
4314 * gensupport.h (rtl_obstack): Declare.
4315 (message_with_line): Declare.
4317 * genattr.c: Remove all traces of obstack manipulation.
4318 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
4319 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
4321 * genattrtab.c (obstack, rtl_obstack): Remove.
4322 (main): Don't init rtl_obstack.
4323 * genflags.c: Likewise.
4325 * genrecog.c (message_with_line): Move ...
4326 * gensupport.c: ... here.
4328 2000-05-06 Richard Henderson <rth@cygnus.com>
4330 * c-typeck.c (build_c_cast): Remove dead code.
4332 2000-05-06 Richard Henderson <rth@cygnus.com>
4334 * flow.c (split_edge): Don't allocate global_live_at_start for
4335 the new block unless the old blocks had them as well.
4337 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
4339 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
4340 test_bb if a or b uses x.
4342 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
4344 * cpphash.h: Remove conditional #define of __extension__.
4345 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
4346 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
4347 (ENABLE_RTL_CHECKING only).
4348 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
4349 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
4350 (ENABLE_TREE_CHECKING only).
4351 * varray.h: Add __extension__ to VARRAY_CHECK macro
4352 (ENABLE_CHECKING only).
4354 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
4356 Use new tail-calling mechanism on ARM.
4357 * arm.md (sibcall, sibcall_value): New expands.
4358 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
4359 (tailcalling peepholes): Delete.
4360 (push_multi): Simplify.
4361 * arm.c (lr_save_eliminated): Delete definition.
4362 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
4363 (output_return_instruction): Remove checks on lr_save_eliminated.
4364 (output_arm_prologue): Remove old tail-calling code.
4365 (arm_output_epilogue): New parameter, really_return. All callers
4366 changed. Handle tail-calling epilogues.
4367 * arm.h (lr_save_eliminated): Delete declaration.
4368 (frame_pointer_needed): Delete declaration.
4369 * arm-protos.h (arm_output_epilogue): Adjust prototype.
4371 * arm.md (is_thumb): Examine symbol thumb_code, not expression
4373 * arm.c (thumb_code): Define it.
4374 (arm_override_options): Set it.
4375 * arm.h (thumb_code): Declare it.
4377 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
4379 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
4381 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
4383 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
4384 bogus clobber to insns.
4385 (load_multiple_operation, store_mulitple_operation): Don't check
4387 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
4389 * arm.md (and_scc, ior_scc): Add missing mode.
4391 * arm.md (call_value_symbol): Remove predicate from op2.
4393 * arm.h (SPECIAL_MODE_PREDICATES): Define.
4395 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4397 * expr.c (get_subtarget): New function.
4398 (force_operand, expand_expr, do_store_flag): Use it.
4400 * toplev.c (compile_file): Don't take strlen of NAME if null.
4402 2000-05-06 David Edelsohn <edelsohn@gnu.org>
4404 * xcoffout.c (xcoff_current_include_file,
4405 xcoff_current_function_file, xcoff_lastfile): Constify char *.
4406 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
4408 (xcoffout_declare_function): Make name 'const char *'.
4409 (xcoffout_end_epilogue): Make fname 'const char *'
4410 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
4411 xcoffout_declare_function, xcoffout_source_line): Match above.
4413 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
4415 * rs6000.c (print_operand): Fix lossage typo.
4416 (output_cbranch): Remove "cr" decoration for now.
4417 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
4419 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
4421 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
4424 2000-05-05 Bruce Korb <bkorb@gnu.org>
4426 * fixinc/genfixes: Improve the matching for make target names
4428 2000-05-05 Catherine Moore <clm@cygnus.com>
4430 * c-common.c (decl_attributes): For TYPE_DECLs attach the
4431 attribute to the decl.
4432 * c-decl.c (pushdecl): Propagate the USED attribute to the
4435 2000-05-05 Richard Henderson <rth@cygnus.com>
4437 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
4438 same way emit_group_load does.
4440 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
4442 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
4444 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
4447 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
4449 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
4451 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
4453 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
4454 to support -shared, on platforms with dynamic libraries.
4456 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
4458 * system.h (S_ISBLK): Provide fallback definition.
4460 2000-05-05 Geoff Berry <geoffb@bops.com>
4462 * extend.texi (Extended Asm): Document inability to give asm
4463 statements access to condition codes.
4465 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
4467 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
4468 as arg 2 of UNIQUE_SECTION.
4470 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
4472 * predict.c: Remove May 4 change.
4473 * bb-reorder.c (make_reorder_chain): Do not perform block movement
4474 if we have predicted the branch at 50-50 probability.
4476 2000-05-05 Richard Henderson <rth@cygnus.com>
4478 * flow.c (init_propagate_block_info): Fix merge error
4479 in HAVE_conditional_execution code.
4481 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
4483 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
4484 shift cycle for unknown shift count. Also generates dec + brpl.
4485 (ashlqi3_out): Don't generate dec + brpl which now generates by
4486 `out_shift_with_cnt'.
4487 (ashlhi3_out): Likewise.
4488 (ashlsi3_out): Likewise.
4489 (ashrqi3_out): Likewise.
4490 (ashrhi3_out): Likewise.
4491 (ashrsi3_out): Likewise.
4492 (lshrqi3_out): Likewise.
4493 (lshrhi3_out): Likewise.
4494 (lshrsi3_out): Likewise.
4496 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
4498 * gcc.c (free_split_directories): Correct typo in explanation
4499 of make_relative_prefix.
4501 2000-05-04 Geoff Keating <geoffk@cygnus.com>
4503 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
4504 comparison codes to branch_comparison_operator.
4506 2000-05-04 Richard Henderson <rth@cygnus.com>
4508 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
4510 2000-05-04 Richard Henderson <rth@cygnus.com>
4512 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
4513 (DPBIT_FUNCS): Remove _sf_to_usi.
4514 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
4516 * ifcvt.c (noce_process_if_block): Fail if A or B modified
4517 between condition and jump.
4519 * libgcc2.c (near eh_context_specific): Comment #endif string.
4520 * longlong.h: Don't use strings with embedded newlines.
4522 2000-05-04 Geoff Keating <geoffk@cygnus.com>
4524 * config/rs6000/rs6000-protos.h: Add output_cbranch.
4525 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
4526 (print_operand): Delete %t and %T codes.
4527 (output_cbranch): New function. Support branch prediction.
4528 * config/rs6000/rs6000.md: Use output_cbranch for
4529 conditional branches and returns.
4531 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
4533 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
4534 * stor-layout.c (place_field): Likewise.
4535 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
4536 * expr.c (store_expr): Make align unsigned.
4537 * explow.c (plus_constant_wide): Make low words unsigned.
4538 * expmed.c (choose_multiplier): Likewise.
4539 * fold-const.c (fold): Likewise.
4540 * tree.h (build_int_2): Likewise.
4541 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
4542 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
4543 (init_emit): Change cast to unsigned char*.
4544 * varasm.c (compare_constant_1): Add cast to char*.
4545 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
4546 * reload1.c (reload): Likewise.
4548 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
4550 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
4552 * predict.c (estimate_probability): If no prediction was found, then
4553 predict the successor that is the next physical block (if such a
4556 2000-05-04 Richard Henderson <rth@cygnus.com>
4558 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
4560 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4562 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
4564 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
4566 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
4567 attribute macros from here ...
4568 (CPP_SPEC): to here.
4569 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
4570 (CPP_SPEC): Likewise.
4571 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
4573 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
4574 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
4576 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4578 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
4580 * diagnostic (vbuild_message_string, build_message_string,
4581 build_location_prefix, output_get_prefix, init_output_buffer,
4582 output_notice, vline_wrapper_message_with_location,
4583 v_message_with_decl, default_print_error_function): De-constify.
4584 (set_real_maximum_length): Prototype.
4586 * diagnostic.h (struct output_buffer, init_output_buffer,
4587 output_get_prefix, output_set_prefix): De-constify.
4589 * function.c (init_function_start): Constify.
4591 * gensupport.c (remove_constraints, process_rtx): Prototype.
4593 * gthr-posix.h: Indent uses of #pragma.
4595 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
4598 * predict.c (find_expected_value): Delete prototype.
4599 (expected_value_to_br_prob): Initialize variable `ev_reg'.
4601 * sbitmap.h (debug_sbitmap): Prototype.
4603 * ssa.c (compute_coalesced_reg_partition): Prototype.
4605 * stor-layout.c (debug_rli): Prototype.
4607 * tree.h (round_down): Prototype.
4608 (init_function_start): Constify.
4610 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
4612 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
4613 (overly conservative). Change extern inline wrappers to
4614 static inline, define them always, use PARAMS properly.
4615 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
4616 whitespace warnings for \f and \v at the beginning of a line.
4618 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
4620 * haifa-sched.c (schedule_insns): Free the flow edge list when it
4623 2000-05-04 Bruce Korb <bkorb@gnu.org>
4625 * fixincl/inclhack.def: added broken_cabs -
4626 Remove `extern double cabs' declarations from math.h
4627 * fixincl/inclhack.sh: regen
4628 * fixincl/fixincl.x: regen
4629 * fixincl/fixincl.c: Remove BOGOSITY code
4630 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
4632 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4634 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
4636 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
4637 when calling MEM_COPY_ATTRIBUTES.
4638 * emit-rtl.c (operand_subword, change_address): Likewise.
4639 * explow.c (stabilize): Likewise.
4640 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
4641 * integrate.c (copy_rtx_and_substitute): Likewise.
4642 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
4643 when calling MEM_COPY_ATTRIBUTES.
4644 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
4646 * cse.c (gen_lowpart_if_possible): Likewise.
4647 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
4648 * optabs.c (gen_move_insn): Likewise.
4649 * recog.c (validate_replace_rtx_1): Likewise.
4650 * simplify-rtx.c (add_mem_for_addr): Likewise.
4651 * stmt.c (expand_anon_union_decl): Likewise.
4652 * config/arm/arm.md: Likewise.
4653 * config/h8300/h7300.c (fix_bit_operand): Likewise.
4654 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
4655 (block_move_no_loop, block_move_sequence): Likewise.
4656 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
4657 * config/alpha/alpha.c (get_aligned_mem): Likewise.
4658 Clear MEM_ALIAS_SET.
4659 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
4660 MEM_COPY_ATTRIBUTES.
4662 2000-05-03 Robert Lipe <robertlipe@usa.net>
4664 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
4665 to suppress libgcc1.
4666 (i[34567]86-*-sco3.2v5*) Likewise.
4667 (i[34567]86-*-sco3.2v4*) Likewise.
4668 (i[34567]86-*-sco) Likewise.
4669 (i[34567]86-*-solaris2) Likewise.
4670 (i[34567]86-*-sysv5*) Likewise.
4671 (i[34567]86-*-sysv4*) Likewise.
4672 (i[34567]86-*-udk*) Likewise.
4673 (i[34567]86-*-sysv*) Likewise.
4675 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
4677 * cpphash.h (U): New define, to correct type of string constants.
4678 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
4679 routines, to do casts when passing unsigned strings to libc.
4680 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
4682 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
4683 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
4684 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
4685 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
4686 second argument an U_CHAR *.
4688 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
4689 length field, clean up initializer.
4690 (ISTABLE): Add __extension__ to designated-
4691 initializers version.
4692 * cpplex.c (CHARTAB): Likewise.
4694 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
4695 case so the file won't be empty.
4697 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
4699 * bb-reorder.c (struct reorder_block_def): Member succ removed.
4700 (REORDER_BLOCK_SUCC): Removed.
4701 (enum reorder_skip_type): Removed.
4702 (skip_insns_between_block): Renamed to skip_insns_after_block.
4703 Removed second argument. Removed dead code and cleaned up.
4704 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
4705 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
4706 second parameter to skip_insns_after_block.
4708 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4710 * tree.c (staticp, case LABEL_DECL): New case.
4712 2000-05-03 Richard Henderson <rth@cygnus.com>
4714 * Makefile.in (start.encap): Do not depend on LIBGCC1.
4716 * mklibgcc1.in: Fix typo last change.
4718 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
4720 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
4721 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
4722 (GCC_CFLAGS): Use it.
4723 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
4724 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
4725 objc/Make-lang.in: Use it.
4727 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
4729 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
4731 2000-05-03 Richard Henderson <rth@cygnus.com>
4733 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
4734 LIBGCC1 empty with libgcc1.null.
4736 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
4738 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
4741 2000-05-03 Greg McGary <gkm@gnu.org>
4743 * tree.h (tree_common): Add bounded_flag member. Remove
4744 inaccurate comment about number of remaining bits.
4745 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
4746 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
4747 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
4748 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
4749 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
4750 (TYPE_QUAL_BOUNDED): New constant.
4751 (TYPE_QUALS): Handle bounded qualifier.
4752 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
4753 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
4754 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
4755 TYPE_AMBIENT_BOUNDEDNESS): New macros.
4756 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
4757 (tree_type): Add pointer_depth member. Remove
4758 inaccurate comment about number of remaining bits.
4759 (DECL_POINTER_DEPTH): Add macro.
4760 (tree_decl): Add pointer_depth member.
4762 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
4764 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
4765 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
4766 (lshrhi3_out): Likewise.
4767 (ashrsi3_out): bugfix in shift by 8.
4768 (test_hard_reg_class): New function.
4769 * config/avr/avr.md: Bugfix inside conditions in peepholes.
4770 (ashlhi3): removed define_expand of this pattern.
4771 (*ashlhi3_insn): renamed to ashlhi3.
4772 (ashlsi3): removed define_expand of this pattern.
4773 (*ashlsi3_insn): renamed to ashlsi3.
4774 (ashrqi3): removed define_expand of this pattern.
4775 (*ashrqi3_insn): renamed to ashrqi3.
4776 (ashrhi3): removed define_expand of this pattern.
4777 (*ashrhi3_insn): renamed to ashrhi3.
4778 (ashrsi3): removed define_expand of this pattern.
4779 (*ashrsi3_insn): renamed to ashrsi3.
4780 (lshrhi3): removed define_expand of this pattern.
4781 (*lshrhi3_insn): renamed to lshrhi3.
4782 (lshrsi3): removed define_expand of this pattern.
4783 (*lshrsi3_insn): renamed to lshrsi3.
4785 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
4787 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
4788 inclusion of "system.h".
4790 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
4792 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
4795 2000-05-03 David Mosberger <davidm@hpl.hp.com>
4797 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
4798 if -mauto-pic is on.
4799 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
4800 -mconstant-gp is in effect and function-descriptors are being used
4801 to make indirect calls.
4802 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
4803 (MASK_AUTO_PIC): Ditto.
4804 (TARGET_CONST_GP): Ditto.
4805 (TARGET_AUTO_PIC): Ditto.
4806 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
4807 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
4808 -mno-pic is in effect.
4809 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
4810 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
4811 -mauto-pic is in effect.
4812 (gprel64_offset): New pattern.
4813 (load_gprel64): Ditto.
4814 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
4815 -mconstant-gp is in effect, no need to preserve gp around direct
4817 (call_value): Ditto.
4818 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
4819 (FUNCTION_PROFILER): Define.
4820 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
4821 @fptr() directive when -mno-pic or -mauto-pic is in effect.
4822 (ASM_OUTPUT_DESTRUCTOR): Ditto.
4824 2000-05-03 Richard Henderson <rth@cygnus.com>
4826 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
4827 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
4828 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
4829 (mklibgcc, libgcc.mk): New targets.
4830 (libgcc.a): Use libgcc.mk.
4831 (stmp-multilib): Likewise.
4832 (stmp-multilib-sub): Remove.
4833 (mostlyclean): Don't delete libgcc2 temp files.
4834 * configure.in (AC_PROG_CC_C_O): Add.
4835 (NO_MINUS_C_MINUS_O): Substitute it.
4836 (all_outputs): Add mklibgcc.
4837 * mklibgcc.in: New file.
4839 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
4841 * cppexp.c (op_t): Make an int.
4843 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
4845 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
4847 * gensupport.c (process_rtx): Fix macros used.
4849 2000-05-03 Richard Henderson <rth@cygnus.com>
4851 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
4852 call-clobbered registers of a call.
4854 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
4856 * gensupport.c: New file.
4857 * gensupport.h: New file.
4858 * Makefile.in (HOST_RTL): Depend on gensupport.
4859 (gensupport.o) New rule.
4860 * genattr.c: Use gensupport for reading .md files.
4861 * genattrtab.c: Ditto.
4862 * gencodes.c: Ditto.
4863 * genconfig.c: Ditto.
4865 * genextract.c: Ditto.
4866 * genflags.c: Ditto.
4867 * genopinit.c: Ditto.
4868 * genoutput.c: Ditto.
4870 * genrecog.c: Ditto.
4871 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
4872 * md.texi (Insn Splitting): Document define_insn_and_split.
4874 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
4876 * flow.c (verify_flow_info): Added two more sanity checks. The
4877 first checks that the blocks are numbered consecutively. The second
4878 checks that n_basic_blocks is actually equal to the number of
4879 basic blocks in the insn chain.
4881 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
4883 * cpplib.h: Add accessor macros for token lists.
4884 * cpplib.c, cpphash.c, cpplex.c: Use them.
4886 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4888 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
4889 memory usage if not in a function.
4890 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
4891 return address if static.
4893 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
4895 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
4896 whether address may trap.
4898 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
4900 * bb-reorder (chain_reorder_blocks): Changed code to test for
4901 EDGE_FALLTHRU rather than making erroneous assumption that the
4902 first outgoing edge is the fall-through edge.
4904 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
4906 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
4907 ABI for varargs, across all MIPS. This is incompatible because the
4908 va_list (__builtin_va_list) structure is different, so a compilation
4909 unit passing a va_list and a compilation unit being passed one, should
4910 both be compiled with the same ABI. (The old structure had two
4911 pointers, now it has three.)
4913 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
4915 * bb-reorder.c (struct reorder_block_def): Remove members end,
4916 block_begin, and block_end.
4917 (REORDER_BLOCK_OLD_END): Delete.
4918 (REORDER_BLOCK_BEGIN): Delete.
4919 (REORDER_BLOCK_END): Delete.
4920 (chain_reorder_blocks): Remove dead code.
4922 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
4924 * bb-reorder.c (remove_scope_notes): Check for both types of scope
4925 notes as the end of a basic block before deleting.
4927 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
4929 * final.c (final_start_function): Fix spelling of "necessary".
4931 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
4933 * toplev.c (debug_ignore_block): Return int.
4934 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
4935 * toplev.h, dwarf2out.h: Adjust.
4936 * emit-rtl.c (remove_unnecessary_notes): Test return value.
4938 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
4939 * toplev.c, final.c, rtl.h: Adjust.
4941 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
4943 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
4944 * configure.in: Look for makeinfo in the unified tree, then
4945 for a system makeinfo which is sufficiently new.
4946 * Makefile.in: If configure says makeinfo is too old, don't
4947 build or install Info documentation.
4949 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
4951 * cpphash.c (collect_params): Fix off-by-one error.
4952 (dump_hash_helper): Dump all four macro nodetypes.
4954 2000-05-02 Jakub Jelinek <jakub@redhat.com>
4956 * cpphash.c (trad_stringify): Adjust p after stringification as
4959 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
4961 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
4962 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
4964 * cppfiles.c (file_cleanup): Delete.
4965 * cpphash.c (macro_cleanup): Delete.
4966 (collect_objlike_expansion, collect_funlike_expansion,
4967 macarg, scan_arguments): Remove CPP_POP case.
4969 * cpplex.c (null_cleanup): Delete.
4970 (cpp_pop_buffer): Do the work that was done in the cleanups
4971 here. Call _cpp_unwind_if_stack from here.
4972 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
4973 cpp_scan_buffer): Run until we see CPP_EOF and the top of
4974 stack is the buffer _below_ the one we stacked.
4975 (cpp_get_token): Always pop an exhausted buffer. Return
4976 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
4977 * cpplib.c (skip_if_group): Don't call cpp_get_token to
4978 increment the line number.
4979 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
4981 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
4982 we see CPP_EOF and the top of stack is the buffer _below_ the
4984 * scan-decls.c: Likewise.
4986 2000-05-02 Andrew Haley <aph@cygnus.com>
4988 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
4989 where this function is called for the second time on a decl that
4990 has had its section info changed in such a way as to move it out
4992 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
4994 2000-05-01 Richard Henderson <rth@cygnus.com>
4996 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
4997 the sequence we're moving, not to merge_bb->head.
4999 2000-05-01 Richard Henderson <rth@cygnus.com>
5001 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
5002 reference to alpha/t-linux.
5003 (alpha*-*-linux-gnu*): Likewise.
5004 * configure: Rebuild.
5006 * calls.c (expand_call): Don't emit reg notes for a sibcall.
5008 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
5011 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
5013 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
5015 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
5018 2000-05-01 Richard Henderson <rth@cygnus.com>
5020 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
5021 emit_conditional_move.
5023 2000-05-01 Jakub Jelinek <jakub@redhat.com>
5025 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
5026 as the dynamic linker.
5028 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
5030 * cppfiles.c (open_include_file): Open file in blocking mode.
5031 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
5032 Only exclude block devices and directories.
5034 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
5035 static. Allocate the hashnode and its string in the same
5037 (del_HASHNODE): Don't free h->name.
5038 (_cpp_lookup): If there is no entry for this string, create
5039 one, of type T_VOID.
5040 (_cpp_lookup_slot): Delete.
5041 * cpphash.h: Update prototypes.
5043 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
5045 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
5046 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
5047 node here, just fill in the value field properly. "Delete"
5048 entries by setting the value field to T_VOID. Check for
5049 hp->type == T_VOID, not hp == NULL.
5051 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
5052 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
5055 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
5057 * config/mn10300/mn10300.c (print_operand_address): Do not add
5060 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
5061 adjusted by less than 256 bytes, use ret regardless of having any
5062 callee-saved register to restore.
5064 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
5066 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
5068 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
5070 * config/i386/djgpp.h (INT_ASM_OP): Define.
5071 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
5072 (ASM_WEAKEN_LABEL): Define.
5073 (MASK_BNU210): Define.
5074 (SUBTARGET_SWITCHES): Define.
5075 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
5076 (MAKE_DECL_ONE_ONLY): Define.
5077 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
5079 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
5081 * i386/cygwin.h (INT_ASM_OP): Define.
5083 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
5085 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
5086 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
5088 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
5090 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
5091 __tmp_reg__ and __zero_reg__ initialization.
5093 2000-04-30 Richard Henderson <rth@cygnus.com>
5095 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
5097 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
5098 referenced bewteen the condition and the jump. Don't delete
5099 anything but the jump.
5101 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
5103 * bb-reorder.c (scope_def): New struct.
5104 (scope_forest_info): New struct.
5105 (struct reorder_block_def): New member "scope".
5106 (REORDER_BLOCK_SCOPE): New macro.
5107 (relate_bbs_with_scopes): New function and prototype.
5108 (make_new_scope): Likewise.
5109 (build_scope_forest): Likewise.
5110 (remove_scope_notes): Likewise.
5111 (insert_intra_1): Likewise.
5112 (insert_intra_bb_scope_notes): Likewise.
5113 (insert_inter_bb_scope_notes): Likewise.
5114 (rebuild_scope_notes): Likewise.
5115 (free_scope_forest_1): Likewise.
5116 (free_scope_forest): Likewise.
5117 (dump_scope_forest): Likewise.
5118 (dump_scope_forest_1): Likewise.
5119 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
5120 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
5122 (reorder_basic_blocks): Added calls to build_scope_scope_forest
5123 and remove_scope_notes before reordering is done. Added calls to
5124 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
5125 after reordering is done.
5127 2000-40-30 Bruce Korb <bkorb@gnu.org>
5129 * fixinc/inclhack.def: Added definitions needed by OSR5,
5130 removed two stale entries (defined away with OLD_CPP).
5131 * fixinc/inclhack.sh: regen
5132 * fixinc/fixincl.x: regen
5134 2000-04-30 Richard Henderson <rth@cygnus.com>
5136 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
5137 from the last insn in the sequence.
5139 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
5141 * cpplex.c (cpp_idcmp): New function.
5142 * cpplib.h: Prototype it.
5143 * scan_decls.c (scan_decls): Use it to inspect token names.
5144 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
5145 the file being run through the preprocessor.
5146 (check_macro_names): Provide length of token to cpp_defined.
5148 * Makefile.in: Remove stale warning message.
5150 * cppfiles.c (redundant_include_p): Provide length of token to
5152 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
5153 values are unsigned int.
5154 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
5155 (_cpp_lookup_slot): Do not calculate the hash, either.
5156 * cpphash.h: Update prototypes.
5157 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
5158 Hashes are unsigned int. Calculate hash here, pass by value
5159 to _cpp_lookup_slot.
5161 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
5163 * simplify-rtx.c (check_value_useless): Delete function.
5164 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
5166 (cselib_invalidate_regno): Likewise.
5167 (cselib_invalidate_mem_1): Likewise.
5168 (references_value_p): Recognize useless values by the fact that they
5170 (discard_useless_values): Likewise.
5171 (cselib_record_set): This may turn a useless value
5174 2000-04-30 Richard Henderson <rth@cygnus.com>
5176 * config/d30v: New port.
5178 * configure.in (d30v-*): Set fp format.
5179 * configure: Rebuild.
5181 2000-04-30 Richard Henderson <rth@cygnus.com>
5183 * ifcvt.c: New file.
5184 * Makefile.in (OBJS): Add it.
5185 (ifcvt.o): New target.
5186 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
5187 and conditional arithmetic.
5188 (find_insert_position): Remove.
5189 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
5190 * toplev.c (DFI_ce, DFI_ce2): New.
5191 (dump_file): Add ce and ce2 dumps.
5192 (rest_of_compilation): Run if_convert a couple o times. Set
5193 cse_not_expected after cse2. Don't set no_new_pseudos until
5194 after sched1 or recompute_reg_usage.
5196 2000-04-30 Richard Henderson <rth@cygnus.com>
5198 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
5199 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
5201 2000-04-30 Richard Henderson <rth@cygnus.com>
5203 * flow.c (struct reg_cond_life_info): New.
5204 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
5205 (init_propagate_block_info): Initialize them.
5206 (free_propagate_block_info): Destruct them.
5207 (mark_set_1): Consider conditional life before killing a register.
5208 (mark_regno_cond_dead): New.
5209 (free_reg_cond_life_info): New.
5210 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
5211 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
5212 (mark_used_reg): Record conditional life.
5214 * haifa-sched.c (schedule_insns): Disable death counting
5215 sanity check for HAVE_conditional_execution.
5217 2000-04-30 Richard Henderson <rth@cygnus.com>
5219 * Makefile.in (TIMEVAR_H): New.
5220 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
5221 (timevar.h): Remove rule.
5223 2000-04-29 Richard Henderson <rth@cygnus.com>
5225 * config/alpha/crtend.asm: Use C comments instead of #.
5226 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
5228 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
5230 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
5232 * cpphash.h (enum node_type: Take out T_MCONST.
5233 (union hashval): Move into struct hashnode.
5234 (struct hashnode): Pack tighter. Remove file, line, col
5236 * cpphash.c: Constify most of the macro-definition structures.
5237 (struct definition): Replace by struct object_defn
5238 and struct funct_defn. Put file, line, column information
5239 here. All users updated to match.
5240 (_cpp_create_definition, _cpp_macroexpand): Remove special
5241 case for #define WORD OTHERWORD.
5242 * cpplib.c (do_undef): Remove T_MCONST case.
5244 * cpphash.h: Move struct reflist, struct definition, and the
5245 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
5246 union hashval. _cpp_free_definition takes a HASHNODE pointer.
5247 * cpphash.c (_cpp_free_definition): Free data pointed to by
5248 MCONST, XCONST, MACRO, and FMACRO nodes properly.
5249 (_cpp_create_definition, del_HASHNODE): Just call
5250 _cpp_free_definition to clear out a hashnode.
5251 * cpplib.c (do_pragma_poison): Likewise.
5253 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
5255 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
5256 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
5257 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
5258 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
5259 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
5260 REGNO_AM33_P): Redefine in terms of the new macros.
5261 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
5262 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
5263 STRUCT_VALUE): Likewise.
5264 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
5265 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
5267 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
5269 * regmove.c (struct record_stack_memrefs_data): New.
5270 (record_stack_memrefs): New function.
5271 (combine_stack_adjustments_for_block): Use it.
5273 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
5275 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
5276 use special_function_p to detect alloca.
5278 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
5280 * gcc.texi: Fixes for makeinfo 4.0 --html.
5282 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
5284 * pcp.h: Delete file.
5286 2000-04-28 Kazu Hirata <kazu@hxi.com>
5288 * h8300.c (function_epilogue): Clean up flags when the last insn
5289 in a function is a barrier.
5291 2000-04-28 Chris Demetriou <cgd@sibyte.com>
5293 * configure.in (sparc-hal-solaris2*): protect [] glob from
5295 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
5296 rather than hard-coded constants in target_cpu_default2.
5297 * configure: Regenerate.
5299 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
5301 * tree.c (get_callee_fndecl): Extract the initial value from
5304 2000-04-28 Richard Henderson <rth@cygnus.com>
5306 * varasm.c (record_constant_1): Record the CODE_LABEL when
5307 taking the address of a LABEL_REF.
5309 2000-04-28 Richard Henderson <rth@cygnus.com>
5310 Jan Hubicka <jh@suse.cz>
5312 * calls.c (combine_pending_stack_adjustment_and_call): Return the
5313 adjustment; don't do the stack adjust.
5314 (expand_call): Call compute_argument_block_size right before
5315 allocating the block; update comment; don't do alignment sanity
5316 checking for sibling call; use args_size instead of
5317 unadjusted_args_size before args_size is adjusted. Use
5318 combine_pending_stack_adjustment_and_call to compute stack adjust
5319 for must_preallocate case.
5321 * expr.c (push_block): Remove shadow `temp' in inner scope.
5323 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
5325 * toplev.c (rest_of_compilation): Call
5326 note_deferral_of_defined_inline_function even if the function
5329 2000-04-28 Scott Bambrough <scottb@netwinder.org>
5331 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
5333 2000-04-28 Richard Henderson <rth@cygnus.com>
5335 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
5337 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5339 * timevar.c (init_timevar): DeANSIfy function definition.
5341 2000-04-27 Alex Samuel <samuel@codesourcery.com>
5343 * Makefile.in (timevar.o): Depend on flags.h.
5344 * timevar.c (unused_stack_instances): New variable.
5345 (timevar_push): Take a timevar_stack_def from
5346 unused_stack_instances if available.
5347 (timevar_pop): Push the popped timevar_stack_def onto
5348 unused_stack_instances.
5349 (TIMEVAR_ENABLE): New macro.
5350 (timevar_def): Make standalone a 1-bit field. Add field used.
5351 (get_time): Rename parameter to now. Return after clearing it if
5353 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
5354 (timevar_pop): Likewise.
5355 (timevar_stop): Likewise.
5356 (timevar_push): Likewise. Mark the timing variable as used.
5357 (timevar_start): Likewise.
5358 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
5359 timevars that were never used.
5361 2000-04-27 Mark Mitchell <mark@codesourcery.com>
5363 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
5364 always TREE_READONLY.
5366 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
5368 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
5369 for call instruction with mode QImode.
5371 2000-04-27 Alex Samuel <samuel@codesourcery.com>
5373 * Makefile.in (OBJS): Add timevar.o.
5374 (toplev.o): Depend on timevar.h.
5375 (ggc-simple.o): Likewise.
5376 (ggc-page.o): Likewise.
5377 (timevar.o): New rule.
5378 (timevar.h): New rule.
5380 * timevar.h: New file.
5381 * timevar.c: Likewise.
5382 * timevar.def: Likewise.
5384 * toplev.h (gc_time, parse_time, varconst_time): Remove.
5385 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
5387 (TIMEVAR): Remove macro.
5388 (gc_time, parse_time, varconst_time, integration_time, jump_time,
5389 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
5390 flow_time, combine_time, regmove_time, sched_time,
5391 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
5392 sched2_time, dbr_sched_time, reorder_blocks_time,
5393 rename_registers_time, shorten_branch_time, stack_reg_time,
5394 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
5396 (compile_file): Don't initialize time variables. Call
5397 init_timevar and start TV_TOTAL timer. Call timevar_print instead
5398 of many calls to print_time.
5399 (rest_of_compilation): Add timing for reload_cse_regs.
5400 (get_run_time): Removed to timevar.c.
5401 (print_time): Likewise.
5402 (get_run_time): Implement using TV_TOTAL time variable.
5403 (print_time): Get total run time from get_run_time.
5404 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
5405 computing elapsed time explicitly.
5406 * ggc-simple.c (ggc_collect): Likewise.
5407 (gc_time): Remove declaration.
5409 2000-04-27 Mark Mitchell <mark@codesourcery.com>
5411 * calls.c (combine_pending_stack_adjustment_and_call): New function.
5412 (expand_call): Use it.
5414 2000-04-27 Jan Hubicka <jh@suse.cz>
5416 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
5419 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
5421 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
5424 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
5426 * function.c (epilogue_done): Pass whole insn to record_insns.
5428 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
5430 * cse.c (CSE_ADDRESS_COST): Remove.
5431 (find_best_addr): Add new parameter "MODE", use address_cost instead
5433 (address_cost): New.
5434 (fold_rtx): Update call of find_best_addr.
5435 * rtl.h (address_cost): Declare.
5436 * loop.c (general_induction_var): Add new parameter "MODE", use
5437 address_cost instead of ADDRESS_COST
5438 (init_loop): Use address_cost instead of ADDRESS_COST.
5439 (check_insn_for_givs): Update call of general_induction_var.
5440 (find_mem_givs): Likewise.
5441 (consec_sets_giv): Likewise.
5442 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
5443 * i386.c (ix86_address_cost): New.
5444 * i386-protos.h (ix86_address_cost): Declare.
5446 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
5448 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
5451 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
5453 * expr.c (store_expr): Use clear_storage instead of direct memset
5456 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
5458 * config/mn10300/mn10300.c (mn10300_address_cost): Test
5459 ASHIFT, AND and LABEL_REF.
5461 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
5463 * invoke.texi (-foptimize-sibling-calls): Fix.
5465 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
5467 * loop.c (load_mems) Don't use hard registers for the hoisting.
5469 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
5470 calculation; rename const_equiv array in the preconditioning code
5471 from loop_unroll to loop_unroll_precondition
5473 2000-04-27 Richard Henderson <rth@cygnus.com>
5475 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
5477 (propagate_one_insn): Clear it. Don't update reg_live here.
5478 (init_propagate_block_info): Update for pbi member changes.
5479 (free_propagate_block_info): Likewise.
5480 (mark_set_1): Know that zero_extract, sign_extract, and
5481 strict_low_part don't kill their argument. Alter hard subregs.
5482 Update new_set for non-CLOBBER sets. Update reg_live.
5483 (find_auto_inc): Update reg_live, not new_dead.
5484 (mark_used_reg): Update reg_live, not new_live. Examine new_set
5485 to determine if the reg in question was set this insn. Only update
5486 reg info with PROP_REG_INFO.
5488 2000-04-26 Richard Henderson <rth@cygnus.com>
5490 * flow.c (allocate_reg_life_data): Set max_regno here ...
5491 (life_analysis): ... not here.
5493 * flow.c (calculate_global_regs_live): Force stack pointer
5496 2000-04-26 Richard Henderson <rth@cygnus.com>
5498 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
5499 commit change group changes.
5500 (invert_exp_1): Similarly.
5501 (redirect_exp, invert_exp): Use them.
5502 (redirect_jump_1): New.
5503 (invert_jump_1): New.
5504 (jump_optimize_1): Remove code subsumed by condexec.c.
5505 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
5507 2000-04-26 Richard Henderson <rth@cygnus.com>
5509 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
5511 * genconfig.c (main): Set all HAVE_foo to 1.
5513 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
5515 2000-04-26 Alex Samuel <samuel@codesourcery.com>
5517 * invoke.texi: Document -fssa flag.
5519 2000-04-26 Richard Henderson <rth@cygnus.com>
5521 * flow.c (count_reg_sets_1): Remove.
5522 (count_reg_sets, count_reg_references): Remove.
5523 (recompute_reg_usage): Implement with update_life_info.
5524 Reallocate life data.
5526 2000-04-26 Richard Henderson <rth@cygnus.com>
5528 * flow.c (update_life_info): Consider blocks null to mean the
5530 (calculate_global_regs_live): Likewise.
5531 (life_analysis): Do that instead of collecting all_blocks.
5533 2000-04-26 Richard Henderson <rth@cygnus.com>
5535 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
5536 a still-valid conditional jump.
5538 2000-04-26 Richard Henderson <rth@cygnus.com>
5540 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
5542 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
5543 * flow.c (calculate_loop_depth): Remove.
5544 * output.h (calculate_loop_depth): Don't declare.
5545 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
5546 inline; run estimate_probability at the same time.
5548 2000-04-26 Neil Booth <NeilB@earthling.net>
5550 * cpplib.h: "~=" is not a single pp-token.
5551 * cpplex.c: Correct commentary.
5553 2000-04-26 Richard Henderson <rth@cygnus.com>
5555 * flow.c (mark_set_1): New arguments code and flags; update all
5556 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
5557 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
5558 loop_depth when optimizing for size. Do new_dead update after
5559 emitting REG_UNUSED notes. Merge mark_set_reg code.
5560 (mark_set_reg): Remove.
5561 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
5562 arrange to not emit REG_UNUSED notes.
5564 2000-04-26 Richard Henderson <rth@cygnus.com>
5566 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
5567 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
5569 2000-04-26 Richard Henderson <rth@cygnus.com>
5571 * flow.c (propagate_one_insn): Break out from propagate_block.
5572 (init_propagate_block_info): Likewise.
5573 (free_propagate_block_info): Likewise.
5574 (propagate_block): Use them. Export.
5575 * basic-block.h: Declare them all.
5577 2000-04-26 Richard Henderson <rth@cygnus.com>
5579 * basic-block.h (life_analysis): Declare here ...
5580 * output.h: ... not here.
5581 * flow.c (life_analysis): Remove nregs parameter; replace
5582 remove_dead_code with flags. Remove ssa dead code check.
5583 Only init alias analysis if we'll use it.
5584 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
5585 * ssa.c (convert_to_ssa): Likewise.
5586 (convert_from_ssa): Likewise.
5587 * toplev.c (rest_of_compilation): Likewise.
5589 2000-04-26 Richard Henderson <rth@cygnus.com>
5591 * flow.c (flow_delete_block): Rename from delete_block. Export.
5592 * basic-block.h (flow_delete_block): Declare.
5594 2000-04-26 David S. Miller <davem@redhat.com>
5596 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
5597 taking a PATTERN of it.
5599 2000-04-26 <NeilB@earthling.net>
5601 * cpplex.c (spell_other, spell_char): Remove.
5603 (token_spelling, trigraph_map): Use unsigned chars.
5604 (_cpp_lex_line): Tidy up the switch statement.
5605 * cpplib.h: Implement spell_char with spell_string.
5608 2000-04-26 <RodneyBrown@pmsc.com>
5610 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
5611 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
5613 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5615 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
5616 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
5617 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
5618 dwarf2out_return_save, dwarf2out_return_reg,
5619 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
5620 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
5621 gen_compile_unit_die, dwarf2out_init): Constify a char*.
5623 * dwarf2out.h (dwarf2out_init): Likewise.
5625 * dwarfout.c (filename_entry, primary_filename, last_filename,
5626 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
5628 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
5629 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
5630 dwarf2out_return_reg): Likewise.
5632 2000-04-26 Andreas Jaeger <aj@suse.de>
5634 * extend.texi (Function Attributes): Fix description of pure
5637 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
5639 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
5640 before calling rest_of_compilation.
5642 2000-04-26 Andreas Jaeger <aj@suse.de>
5644 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
5647 2000-04-25 Richard Henderson <rth@cygnus.com>
5649 * cse.c (cse_insn): Emit barrier after unconditional jump.
5651 * calls.c (expand_call): Disable tail call generation once
5652 rtx_equal_function_value_matters is false.
5654 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
5657 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
5659 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
5661 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
5663 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
5664 is the primary DIE for a member function.
5665 (gen_decl_die): Call set_decl_origin_self here.
5666 * dwarfout.c (output_decl): And here.
5667 * integrate.c (output_inline_function): Not here.
5668 Don't clear DECL_INLINE until after calling rest_of_compilation.
5669 (set_decl_origin_self): No longer static.
5670 * tree.h: Add prototype.
5671 * toplev.c (note_deferral_of_defined_inline_function): Only write
5672 out abstract instance for actual inlines.
5674 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
5676 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
5677 EXTENDED_REGS only if TARGET_AM33.
5678 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
5679 SP_REGS to register allocation and reloading unless absolutely
5681 (movsi3): Remove special-case of adding non-constants to SP.
5683 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5685 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
5686 INCLUDES to search and does not provide any of its own. Also it
5687 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
5688 parameters. Also it does not call AC_DEFINE.
5689 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
5690 AC_DEFINE and provides for automatic entries for autoheader.
5691 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
5693 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
5694 so we can pass -I flags and include gansidecl.h/system.h in this
5697 * acconfig.h: Delete all NEED_DECLARATION_* entries.
5699 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5701 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
5702 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
5703 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
5705 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
5706 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
5707 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
5708 for these macros. Clean up spacing and linewraps.
5710 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
5712 * calls.c (expand_call): Use get_callee_fndecl.
5714 * print-tree.c (print_node): Print the chain of an _EXPR.
5716 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
5717 Jim Wilson <wilson@cygnus.com>
5718 Andrew Haley <aph@cygnus.com>
5720 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
5721 and gp save/restore problems.
5722 * config/ia64/crtend.asm: Add IA-64 unwind support.
5723 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
5724 in fr_pad_size calculation.
5725 (save_restore_insns): Move PR save area. Correct uses of
5726 RTX_FRAME_RELATED_P.
5727 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
5728 (ia64_expand_epilogue): Add eh_epilogue support.
5729 (ia64_function_prologue): Emit .prologue directive.
5730 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
5731 (ia64_override_options): Set init_machine_status and
5732 mark_machine_status.
5733 (rtx_needs_barrier): Handle bsp reads and writes.
5734 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
5735 New static variables.
5736 (process_set, process_for_unwind_directive): New functions.
5737 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
5738 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
5739 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
5741 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
5742 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
5743 (struct machine_function): Define.
5744 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
5746 2000-04-25 Bruce Korb <bkorb@gnu.org>
5748 * fixinc/Makefile.in: make the removal of old programs more
5750 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
5751 install-bin and install-sh
5753 2000-04-25 Nick Clifton <nickc@cygnus.com>
5755 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
5756 defined, define to return zero.
5757 (function_cannot_inline_p): If a function has any target
5758 specific attributes, then use the macro
5759 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
5760 whether it can be inlined. If it cannot, issue a suitable
5763 * tm.texi: Add a new node 'Inlining' to document the new macro
5764 FUNCTION_ATTRIBUTE_INLINABLE_P.
5766 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
5768 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
5771 2000-04-25 Neil Booth <NeilB@earthling.net>
5773 Restore previous patch, plus the following fixes:
5775 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
5776 flags, not CPP_OPEN_PAREN.
5777 * cpplex.c (expand_token_space, init_token_list,
5778 cpp_free_token_list): Put the dummy token at list->tokens[-1].
5779 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
5781 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5783 * config/i386/freebsd.h (INT_ASM_OP): Define.
5785 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
5787 * loop.c (strength_reduce): Fix typo in the last checkin.
5789 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5791 * stor-layout.c (finalize_record_size): Simplify to use existing
5793 (compute_record_mode): No longer static.
5794 * tree.h (compute_record_mode): New declaration.
5796 2000-04-25 Neil Booth <NeilB@earthling.net>
5798 * Revert my patch below until cause of build failures
5801 2000-04-25 Richard Henderson <rth@cygnus.com>
5803 * combine.c (combine_instructions): Add missing argument
5806 * toplev.c (rest_of_compilation): Delay sibcall optimization
5807 until after emit_eh_context.
5809 2000-04-24 Nick Clifton <nickc@redhat.com>
5811 * combine.c (combine_instructions): Do not try to combine a
5812 sequence of insns when the second insn has been replaced by a
5815 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
5817 * gcc.c (load_specs): New static function.
5818 (read_specs): Use it.
5820 * gcc.c (lookup_compiler): Make multiple passes for case
5821 insensitive filesystems.
5823 2000-04-24 Neil Booth <NeilB@earthling.net>
5825 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
5826 * cpphash.h (_cpp_check_directive): new.
5827 * cpplex.c (handle_newline, cpp_free_token_list,
5828 init_trigraph_map, trigraph_ok, trigraph_replace,
5829 backslash_start, skip_block_comment, skip_line_comment,
5830 skip_whitespace, parse_name, parse_number, parse_string,
5831 copy_comment, _cpp_lex_line, spell_char, spell_string,
5832 spell_comment, spell_name, spell_other, _cpp_lex_file,
5833 _cpp_output_list): new.
5834 (expand_name_space): take length argument.
5835 (init_token_list): add comment list initialisation.
5836 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
5837 instead of HSPACE_BEFORE.
5839 * cpplib.c (_cpp_check_directive): new
5840 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
5841 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
5842 (HSPACE_BEFORE): delete.
5843 (TTYPE_TABLE): rearrange.
5844 (struct cpp_toklist): update.
5846 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5848 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
5849 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
5850 argument form of AC_DEFINE.
5852 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
5853 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
5854 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
5855 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
5856 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
5858 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
5860 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5862 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
5863 deduced.h): Use -isystem, not -I, for including system headers.
5865 2000-04-24 Nick Clifton <nickc@cygnus.com>
5867 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
5868 the source register is the frame pointer or arg pointer.
5869 (addsi3_small_int): Disallow if source register is the frame
5870 pointer or arg pointer.
5872 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5874 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
5875 call to AC_MSG_RESULT.
5877 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5879 * invoke.texi: Correct grammatical errors, document
5880 -fno-gnu-keywords as identical to -fno-asm for C++.
5882 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5884 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
5885 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
5886 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
5887 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
5888 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
5890 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
5891 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
5892 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
5893 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
5896 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
5898 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
5899 (pop_alignment): Likewise.
5900 (handle_pragma_token): Likewise.
5902 2000-04-24 Robert Lipe <robertlipe@usa.net>
5904 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
5906 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
5908 * combine.c (try_combine): Update reg_nonzero_bits of
5909 newi2pat before newpat.
5911 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
5913 * loop.c (strength_reduce): Simplify test to INSN_P.
5914 (record_giv): Attempt to simplify the add value, use CONSTANT_P
5915 expressions instead of CONST_INT.
5916 (express_from_1): Likewise.
5918 2000-04-24 Mark Mitchell <mark@codesourcery.com>
5920 * regs.h (reg_n_max): Don't declare.
5921 * flow.c (reg_n_max): Don't define.
5922 * regclass.c (renumber): Don't initialize to zero.
5923 (regno_allocated): Likewise.
5924 (reg_n_max): Define.
5925 (allocate_reg_info): Don't initialize unnecessarily.
5927 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
5929 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
5930 and blockage_p in the newly allocated attribute.
5932 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
5934 * config/mn10300/mn10300.md (addsi): `inc4' on address
5935 registers does not modify cc, but `inc' on an extended
5938 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
5940 * reload.c (find_equiv_reg): Checks all valueno regs
5941 as a reload_reg_p regs.
5943 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
5945 * cpphash.c (collect_objlike_expansion): Add sanity check.
5946 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
5947 the buffer is the empty string, return. Mark __DATE__ and
5948 __TIME__ as XCONST nodes, not MCONST.
5949 (_cpp_macroexpand): Avoid pushing an empty buffer.
5950 (funlike_macroexpand): Don't pop token_buffer here.
5952 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
5954 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
5955 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
5956 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
5957 (REGNO_OK_FOR_BASE_P): Define in terms of them.
5958 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
5959 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
5960 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
5962 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
5964 * loop.c (simplify_giv_expr): Be more agressive on simplifying
5967 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
5969 * cpphash.h (struct definition): Move file, line, col members...
5970 (struct hashnode): ... here. Also add 'disabled' flag.
5971 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
5972 T_IDENTITY. Remove T_DISABLED.
5975 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
5976 (collect_expansion): Split into collect_objlike_expansion and
5977 collect_funlike_expansion.
5978 (_cpp_macroexpand): Split out scan_arguments, stringify, and
5979 funlike_macroexpand.
5980 (_cpp_compare_defs): Rename compare_defs, make static.
5981 (_cpp_make_hashnode): Initialize hp->disabled.
5982 (macro_cleanup): Adjust for new token types. Clear
5984 (_cpp_create_definition): Move code here to determine what
5985 sort of macro it is, and code to check for redefinitions, from
5986 do_define. Implement a few simple cases without creating a
5988 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
5989 Handle the simple cases.
5990 (push_macro_expansion): Set buf->has_escapes and hp->disabled
5993 * cppinit.c (builtin_array): Change MCONST to XCONST
5995 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
5996 fix check for disabled and function-like macros.
5997 * cpplib.c (do_define): Move most logic to
5998 _cpp_create_definition.
5999 (do_undef): Handle new special token types.
6001 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
6003 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
6004 of CONSTANT_P for mult_val; always use validate_change to update insn.
6006 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
6008 * cpphash.c (trad_stringify, add_pat): New functions.
6009 (collect_expansion): Restore support for -traditional syntax.
6010 Use trad_stringify and add_pat.
6011 (_cpp_macroexpand): Restore support for -traditional semantics.
6012 * cpplex.c (_cpp_scan_line): Don't change space_before if we
6013 get a COMMENT token.
6014 (_cpp_lex_token): Provide COMMENT tokens to caller if
6015 traditional and parsing_define_directive.
6016 (skip_comment): Warn about // comments if -Wtraditional.
6017 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
6019 (do_undef): Don't warn about undefining EMPTY nodes.
6021 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
6023 * loop.c (strength_reduce): Fix biv removal code.
6025 2000-04-22 Richard Henderson <rth@cygnus.com>
6027 * predict.c (estimate_probability): Examine both sides of
6028 a branch for no exits. Use 90% not 50% for predict taken.
6029 Reorg for one copy of note generation code.
6031 2000-04-22 Richard Henderson <rth@cygnus.com>
6033 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
6035 2000-04-22 Richard Henderson <rth@cygnus.com>
6037 * diagnostic.c (init_output_buffer): Don't initialize format_args.
6038 (output_clear): Likewise.
6039 (output_printf): Use va_copy.
6040 (vline_wrapper_message_with_location): Likewise.
6041 (v_message_with_decl): Likewise.
6042 (line_wrapper_printf): VA_START infor buffer.format_args directly.
6043 * system.h (va_copy): Provide default implementation.
6045 2000-04-22 Richard Henderson <rth@cygnus.com>
6047 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
6048 the collected condition is not a constant.
6050 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
6052 * diagnostic.h: New file.
6054 * Makefile.in (diagnostic.o): Depends on diagnostic.h
6056 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
6057 various function prototypes.
6058 (diagnostic.h): #include.
6059 (struct output_buffer): Move into diagnostic.h.
6060 (get_output_prefix): Rename to output_get_prefix. Export.
6061 (init_output_buffer): Export. Break out. Ajust intialization.
6062 (output_space_left, output_append): Export.
6063 (output_newline): Rename to output_add_newline. Export.
6064 (output_clear): Nullify additional output_buffer fields.
6065 (output_puts): Rename to output_add_string. Export.
6066 (dump_output): Rename to output_flush_on. Export.
6067 (build_location_prefix): Constify return-type.
6068 (emit_output_prefix): Rename to output_emit_prefix. Export.
6069 (set_real_maximum_length): New function.
6070 (output_set_maximum_length): Ditto
6071 (output_clear): Ditto.
6072 (output_add_character): Ditto.
6073 (output_add_integer): Ditto.
6074 (output_add_space): Ditto.
6075 (output_format): Ditto.
6076 (output_printf): Adjust buffer initialization.
6077 (vline_wrapper_message_with_location): Ditto.
6078 (v_message_with_decl): Ditto. Adjust call to output_puts
6079 and get_output_prefix.
6080 (default_print_error_function): Adjust buffer intialization.
6082 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6084 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
6087 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
6089 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
6092 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
6094 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
6095 accurate data about SP moves.
6097 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
6099 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
6100 aliases to AM33 registers.
6102 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
6104 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
6105 to all EXTENDED bitmaps.
6107 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
6109 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
6110 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
6111 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
6113 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
6115 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
6116 the operand is not constant.
6118 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
6120 * reload.c (find_equiv_reg): Checks all valueno and regno regs
6121 as a call-clobbered regs.
6123 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6125 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
6127 * rtl.def: Update comment.
6128 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
6129 * integrate.c (expand_inline_function): Likewise.
6130 * profile.c (branch_prob): Likewise.
6131 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
6132 * print-rtl.c (print_rtx): Likewise.
6133 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
6134 (reemit_notes): Likewise; also use enum insn_note.
6136 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
6137 (place_field): Properly compute know and actual alignment.
6139 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
6142 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
6145 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
6147 * cpphash.c (struct arg, struct arglist): Const-ify strings.
6148 (warn_trad_stringify, duplicate_arg_p): New helper functions.
6149 (collect_expansion): Rewrite to scan over a token list.
6150 Remove -traditional support.
6151 (collect_formal_parameters): Rename to collect_params; rewrite
6152 to scan over a token list.
6153 (_cpp_create_definition): Adjust to scan a token list.
6154 (_cpp_macroexpand): Remove -traditional support.
6155 (_cpp_compare_defs): Whitespace is now canonicalized.
6156 (comp_def_part): Delete function.
6158 * cpphash.h: Update prototypes.
6159 * cpplex.c (init_token_list): Don't set lineno if there is no
6161 (pedantic_whitespace): New function.
6162 (_cpp_scan_line): Mark tokens that had hspace before. Don't
6163 consume a newline. Use pedantic_whitespace.
6164 (_cpp_lex_token): Remove support for -traditional macros.
6165 (_cpp_get_define_token): Delete.
6166 (_cpp_get_directive_token): Do the real work here. Use
6167 pedantic_whitespace.
6168 (_cpp_init_input_buffer): Initialize pfile->directbuf.
6170 * cpplib.c (get_macro_name): Delete.
6171 (do_define): Read the entire line into pfile->directbuf, then
6172 feed the token list to _cpp_create_definition.
6173 * cpplib.h (HSPACE_BEFORE): new define.
6174 (struct cpp_reader): Add a toklist member, "directbuf".
6176 * predict.c (estimate_probability): New heuristic: if a jump
6177 branches around a block with no successors, predict it taken.
6178 Disentangle control flow.
6180 2000-04-20 Richard Henderson <rth@cygnus.com>
6182 * loop.c (emit_iv_add_mult): Revert last change.
6184 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
6186 * cpplib.h (enum cpp_ttype): Add token types for all
6187 punctuators. Distinguish pp-numbers from valid C numbers.
6188 Give some tokens better names. Initialize from macro.
6189 (struct cpp_name, cpp_token, cpp_toklist): New data
6192 * cpplex.c (bump_column, expand_name_space,
6193 expand_token_space, init_token_list, cpp_output_list,
6194 _cpp_scan_line): New functions.
6195 (output_line_command): Add third argument, new line number.
6196 * cpphash.h: Update prototypes.
6197 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
6200 2000-04-20 Richard Henderson <rth@cygnus.com>
6202 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
6204 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
6206 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
6209 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
6211 * loop.c (emit_iv_add_mult): Simplify it's input and emit
6212 REG_EQUAL note explaining the calculated value.
6214 * calls.c (expand_call): Avoid unnecesary precalculation
6215 and outgoing parameters space guarding for sibling calls.
6216 (store_one_arg): Likewise.
6218 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6220 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
6221 (rest_of_compilation): Write sibling dump file and account
6222 for time as jump time.
6223 * invoke.texi: Update documentation on dump flags.
6225 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
6227 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
6229 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
6231 * cpphash.c (special_symbol): Represent an empty macro with
6232 "\r \r " not just "\r ".
6233 (_cpp_macroexpand): Correct condition for the foo ( ) special
6235 (unsafe_chars): Handle EOF as second argument.
6236 (push_macro_expansion): Simplify test for removing escape at
6237 end. Do not trim both escapes if there is no text in between.
6239 2000-04-19 Jim Blandy <jimb@redhat.com>
6241 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
6242 of PTR_SIZE, when appropriate.
6244 2000-04-19 Mark Mitchell <mark@codesourcery.com>
6246 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
6247 (USE_ENUM_BITFIELDS): Fix typo.
6249 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6251 * stor-layout.c (place_field): Set rli->offset_align properly.
6253 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6255 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
6256 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
6257 PARM_BOUNDARY): Remove unnecessary casts.
6259 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
6261 * calls.c (precompute_arguments): Remove must_preallocate and
6263 (expand_call): Update call of precompute_arguments.
6265 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
6266 check_insn_for_givs): Break out from ...
6267 (strength_reduce) ... here; use for_every_insn_in_loop to call
6268 check_insn_for_givs.
6269 * loop.h (for_every_insn_in_loop): Declare.
6270 (loop_insn_callback): New type.
6272 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
6274 * cpplib.c (do_pragma_poison): Strings in the token buffer are
6277 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
6279 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
6282 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
6284 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
6286 * configure.in: Delete --disable-cpplib option and all
6287 references to cpp_main.
6288 * configure: Regenerate.
6289 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
6290 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
6291 cccp.o, cccp, or cppmain. Link cppmain.o straight to
6292 cpp$(exeext). Add --no-headers to makeinfo command line when
6293 generating INSTALL. Install and uninstall cpp.1 manpage, not
6295 * install.texi: Delete all references to cexp.y/cexp.c.
6296 Delete ancient instructions for compiling GCC on 3b1.
6297 * INSTALL: Regenerate.
6299 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
6300 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
6301 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
6303 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
6304 which is no longer tested anywhere.
6306 * cppinit.c (handle_option): Don't run error message through
6309 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6311 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
6312 * cpperror.c (hashtab.h): Now include.
6313 * cppexp.c (hashtab.h): Likewise.
6314 * cpplex.c (hashtab.h): Likewise.
6315 * cppfiles.c (hashtab.h): Likewise.
6316 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
6317 to htab_find_slot_with_hash.
6318 * cpphash.c (hashtab.h): Now include.
6319 (_cpp_lookup_slot): INSERT is now enum insert_option.
6320 * cpphash.h (_cpp_lookup_slot): Likewise.
6321 * cppinit.c (hashtab.h): Include earlier.
6322 (initialize_builtins): Pass enum to htab_find_slot.
6323 * cpplib.c (hashtab.h): Now include.
6324 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
6325 (do_pragma_poison, do_assert): Likewise.
6326 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
6327 htab_find_slot_with_hash.
6328 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
6329 * tree.c (type_hash_add): Likewise.
6330 (build1): Minor cleanup.
6332 * ggc-common.c: Add missing blanks.
6333 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
6334 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
6336 * stmt.c (mark_case_node): New function.
6337 (mark_case_nesting): Call it.
6339 * expmed.c (emit_store_flag): If comparing two-word integer
6340 with zero, can optimize NE, EQ, GE, and LT.
6342 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
6343 * conflict.c: Minor cleanups.
6344 * optabs.c: Add blank line
6345 * simplify-rtx.c: Minor cleanups.
6347 2000-04-18 Stan Cox <scox@cygnus.com>
6349 * gengenrtl.c (genlegend): Fix misspelling.
6351 2000-04-18 Robert Lipe <robertlipe@usa.net>
6353 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
6354 bitfields of the host compiler are not signed quantities.
6355 * config.in: Regenerate.
6356 * configure: Regenerate.
6357 * system.h (USE_ENUM_BITFIELDS): Added.
6358 (ENUM_BITFIELDS): Added.
6359 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
6360 (SHORT_ENUM_BUG): Deleted.
6361 * tree.h (tree_common): Members `code', `mode', `built_in_class',
6363 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
6364 (CODE_FIELD_BUG): Likewise.
6365 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
6367 * config/m68k/x-ccur (X_CFLAGS): Likewise.
6369 2000-04-18 Mark Mitchell <mark@codesourcery.com>
6371 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
6374 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
6376 * cppexp.c (lex): Don't assume tokens are NUL terminated.
6377 * cpplib.c (do_include, do_import, do_include_next,
6378 read_line_number, detect_if_not_defined): Likewise.
6379 * cpphash.c (collect_expansion): Likewise.
6380 (special_symbol, _cpp_macroexpand): Check return from
6382 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
6383 macros. Delete all uses.
6385 * gcc.dg/cpp-mi.c: Add two more test cases.
6386 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
6388 2000-04-17 Richard Henderson <rth@cygnus.com>
6390 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
6391 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
6393 2000-04-17 Mark Mitchell <mark@codesourcery.com>
6395 * function.c (expand_function_start): Use hard_function_value to
6396 compute the RTL to use for DECL_RESULT.
6398 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
6400 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
6401 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
6402 x86_memory_mismatch_stall): New global variables.
6403 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
6404 alloved; fix load penalties for Athlon.
6405 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
6406 x86_memory_mismatch_stall): Declare.
6407 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
6408 TARGET_MEMORY_MISMATCH_STALL): New.
6409 * i386.md (athlon scheduling parameters): Fix latencies according to
6410 Athlon Optimization Manual.
6411 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
6413 (fsqrt instruction patterns): Set athlon_decode to direct.
6414 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
6415 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
6416 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
6417 and TARGET_PARTIAL_REGISTER_STALL machines.
6418 (pushdf_nointeger): New pattern.
6419 (pushdf_integer): Rename from pushdf.
6420 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
6421 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
6423 2000-04-17 Richard Henderson <rth@cygnus.com>
6425 * loop.c (canonicalize_condition): Add WANT_REG argument.
6426 Stop the search if we match it.
6427 * expr.h (canonicalize_condition): Update decl.
6428 * predict.c (expected_value_to_br_prob): Use it. Track last
6429 expected value note.
6430 (find_expected_value): Remove.
6432 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
6434 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
6436 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
6437 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
6439 * configure.in: Call AC_FUNC_MMAP_FILE.
6440 * configure: Regenerate.
6441 * config.in: Regenerate.
6443 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
6444 * fixinc/fixincl.c: Likewise.
6446 2000-04-17 Richard Henderson <rth@cygnus.com>
6448 * builtins.c (expand_builtin_expect): New.
6449 (expand_builtin): Call it.
6450 * builtins.def (BUILT_IN_EXPECT): New.
6451 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
6452 * extend.texi: Document it.
6454 * predict.c (expected_value_to_br_prob): New.
6455 (find_expected_value): New.
6456 * basic-block.h (expected_value_to_br_prob): Declare.
6457 * toplev.c (rest_of_compilation): Invoke it.
6459 * rtl.h (NOTE_EXPECTED_VALUE): New.
6460 (NOTE_INSN_EXPECTED_VALUE): New.
6461 * rtl.c (note_insn_name): Update.
6462 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
6463 cases; handle NOTE_INSN_EXPECTED_VALUE.
6465 2000-04-17 Jakub Jelinek <jakub@redhat.com>
6467 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
6468 leaf sibcall delay slot if flag_pic.
6469 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
6471 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6473 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
6475 * fixproto: If fix-header fails, exit with an error.
6477 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
6479 * cse.c (struct check_depdendence_data): New.
6480 (check_dependence): New function.
6481 (invalidate): Use check_depdenence.
6483 2000-04-16 Mark Mitchell <mark@codesourcery.com>
6485 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
6486 UNITS_PER_WORD is unsigned.
6488 * tree.h (struct tree_common): Remove misleading comment.
6490 2000-04-16 Dave Pitts <dpitts@cozx.com>
6492 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
6493 message in quotes. Otherwise, IBM's make program treats the '#' as the
6494 start of a comment and ignores the remainder of the line.
6496 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
6498 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
6499 * cexp.y (initialize_random_junk): Likewise.
6500 * cppfiles.c (find_include_file): Cast alloca return value.
6501 * cppinit.c (initialize_standard_includes): Likewise.
6502 * cpplib.c (cpp_define, cpp_undef): Likewise.
6503 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
6504 * final.c (output_asm_insn): Allow for holes in EBCDIC.
6505 * fold-const.c (CHARMASK): New.
6506 (real_hex_to_f): Use it.
6507 * real.c (CHARMASK): New.
6508 (etoasc, asctoeg): Use it.
6509 (asctoeg): EBCDIC lower case characters preceed upper case.
6511 * i370.c (mvs_add_label): Change spacing for coding conventions.
6512 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
6513 outputing case vectors.
6514 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
6515 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
6516 since vector in in the data CSECT.
6517 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
6518 * i370.md (Many patterns): Put the length in the XL directives.
6519 (movdi): Put back STM and MVC in definition.
6520 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
6521 pattern using the TCA.
6522 * oe.h (CPP_SPEC): Added to allow trigraphs.
6523 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
6524 not support the "long long" type.
6526 2000-04-16 Mark Mitchell <mark@codesourcery.com>
6528 * config/mips/mips-protos.h (mips_legitimate_address_p): New
6530 (mips_reg_mode_ok_for_base_p): Likewise.
6531 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
6532 (REG_OK_FOR_INDEX_P): Define unconditionally.
6533 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
6534 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
6535 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
6536 that GET_MODE_SIZE is unsigned.
6537 (mips_reg_mode_ok_for_base_p): Define.
6538 (mips_legitimate_address_p): Likewise. Adjust now
6539 that GET_MODE_SIZE is unsigned.
6540 (block_move_loop): Make the number of bytes unsigned.
6541 (expand_block_move): Likewise.
6542 (function_arg): Make the loop counter unsigned to match the
6545 2000-04-16 Richard Henderson <rth@cygnus.com>
6547 * rtl.h (enum insn_note): New enumeration. Subsume
6548 NOTE_INSN_DELETED and friends.
6549 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
6550 * rtl.c (note_insn_name): Tweak string order.
6552 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
6554 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
6557 * cpplex.c (output_line_command): Remove debugging prints.
6558 (cpp_output_tokens): Don't write out a zero-length buffer or
6559 try to see if it has a newline in it.
6560 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
6561 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
6562 the end of the loop. Use memmove. Don't read past the end of
6563 the buffer. Remove trailing newlines from error messages.
6565 2004-04-16 Neil Booth <NeilB@earthling.net>
6567 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
6568 * cpplib.c: Add new syntax flags to directive table, and
6571 2000-04-15 Ulrich Drepper <drepper@redhat.com>
6573 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
6576 2000-04-15 David Edelsohn <edelsohn@gnu.org>
6578 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
6579 * haifa-sched.c: Update -fsched-verbose comments to use "=".
6581 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6583 * Makefile.in (ggc-page.o): Now includes toplev.h.
6584 * ggc-page.c (toplev.h): Now included.
6585 (gc_time): Remove declaration.
6586 (ggc_collect): TIME now long.
6587 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
6589 * toplev.h (gc_time, parse_time, gc_time): New declarations.
6591 * toplev.c: Make *_time variable long to reduce chance of overflow.
6592 (TIMEVAR): Likewise for `otime'.
6593 (print_time): Arg is now long; compute percentage in FP and round.
6594 * toplev.h (print_time): Arg is long.
6596 * tree.c: Minor whitespace changes.
6598 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
6599 * configure: Rebuilt.
6600 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
6601 (__fixunsxfDI): Renamed from __fixunsxfdi.
6602 (__fixunsdfDI): Renamed from __fixunsdfdi.
6603 (__fixunssfDI): Renamed from __fixunssfdi.
6604 (__floatdisf): Use proper type in REP_BIT macro.
6605 (__fixunsxfSI): Renamed from __fixunsxfsi.
6606 (__fixunsdfSI): Renamed from __fixunsdfsi.
6607 (__fixunssfSI): Renamed from __fixunssfsi.
6608 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
6609 Change location of macros and upper-case some names as above.
6610 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
6611 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
6613 * varasm.c (assemble_variable): Add cast to remove warning.
6614 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
6616 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
6617 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
6618 region number to -1.
6620 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
6622 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
6623 call unshare_all_rtl.
6625 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
6627 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
6629 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
6630 Use .s1 not .s0 for all FP instructions.
6632 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
6634 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
6636 (safe_fwrite, output_line_command): New static functions.
6637 (cpp_expand_to_buffer): Now private to cpplib.
6638 (cpp_scan_buffer): Take a printer.
6640 * cpphash.h: Update prototypes.
6641 * cpplib.h: Update prototypes.
6643 (cpp_buffer): Remove last_nominal_fname.
6644 (cpp_reader): Remove lineno.
6646 * cppmain.c: Use a cpp_printer.
6647 * fix-header.c: No need to inhibit line commands. Call
6648 cpp_start_read with no printer.
6650 * cpperror.c (cpp_notice_from_errno): Provide default name.
6651 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
6652 (find_include_file, cpp_read_file): Use make_IHASH.
6653 (file_cleanup): Set control_macro and clear
6654 input_stack_listing_current here.
6655 (_cpp_execute_include): Don't output entering-file marker.
6656 * cpphash.c (special_symbol): Look for the line number in the
6657 buffer, not the reader.
6658 (_cpp_macroexpand): No need to disable line commands.
6659 (_cpp_dump_definition): No need to generate line commands.
6660 (dump_hash_helper): Remove excess newline from output.
6661 * cppinit.c (dump_special_to_buffer): No need to generate line
6663 (cpp_printer_init): New.
6664 (cpp_start_read): Take a printer, and start it up if it's not
6665 NULL. No need to generate line commands.
6666 (cpp_finish): Expect no buffers stacked at all. Take a
6667 printer argument, and flush the output buffer if it's not
6669 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
6670 Don't put two hashes at the beginning of an assertion.
6671 (cpp_get_token): Don't increment pfile->lineno or emit line
6672 commands here. Return EOF if there's no buffer when we get
6674 * cpplib.c (do_define, skip_if_group):
6675 No need to disable line commands.
6676 (_cpp_output_line_command): Delete function.
6677 (do_line): Don't emit line commands here, but set things up so
6678 they will be emitted if necessary. Use _cpp_fake_ihash to
6679 make unique nominal_fnames if necessary.
6680 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
6681 with 0 for column, not -1.
6682 (_cpp_handle_eof): Don't set the control macro here. Don't
6683 clear input_stack_listing_current here. Don't emit line
6686 2000-04-14 Geoff Keating <geoffk@cygnus.com>
6688 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
6689 always, use the default SVR4 start address.
6691 * config/rs6000/linux.h (LINK_SPEC): Don't define.
6692 (LINK_SHLIB_SPEC): Define.
6693 (LINK_START_DEFAULT_SPEC): Define.
6694 (LINK_OS_DEFAULT_SPEC): Define.
6696 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
6698 * config/rs6000/eabi.asm (__eabi): Call __init rather than
6699 __do_global_ctors to handle constructors.
6700 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
6701 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
6702 (STARTFILE_MVME_SPEC): Likewise.
6703 (STARTFILE_SIM_SPEC): Likewise.
6704 (ENDFILE_ADS_SPEC): Use crtend.
6705 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
6706 (ENDFILE_MVME_SPEC): Likewise.
6707 (ENDFILE_SIM_SPEC): Likewise.
6708 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
6709 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
6710 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
6711 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
6712 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
6713 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
6714 (CRTSTUFF_T_CFLAGS_S): Define.
6715 * config/rs6000/eabi-ctors.c: Delete.
6717 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
6720 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
6724 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
6726 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
6727 plus mask size is smaller or equal to the mode size.
6729 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6731 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
6734 * expr.c (reload.h): Now included.
6735 (emit_block_move): Set volatile_ok when checking for movstr.
6736 (emit_move_1): Check for replacements in addresses in multi-word case.
6737 * Makefile.in (expr.o): Now includes reload.h.
6739 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
6740 Never have a LIBCALL end a basic block.
6741 (find_basic_blocks_1): Likewise.
6742 Reorganize CALL_INSN cases.
6744 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
6746 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
6748 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
6749 completers from mov.ret instruction.
6751 2000-04-14 Richard Henderson <rth@cygnus.com>
6753 * fold-const.c (extract_muldiv): Don't distribute and widen
6754 multiply across plus for non-sizetype unsigned types.
6756 2000-04-14 Richard Henderson <rth@cygnus.com>
6758 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
6759 If the original source is dead in the incr insn, it's dead now.
6761 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6763 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
6764 see if DECL_BIT_FIELD needs to still be set.
6766 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
6768 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
6769 print_int_cst_octal with something that's not an INTEGER_CST.
6771 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
6772 and not a SUBREG to a FLOAT rtl.
6774 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
6776 * emit-rtl.c (try_split): Avoid infinite loop if the split
6777 results in a sequence that contains the original insn.
6779 2000-04-13 Andreas Jaeger <aj@suse.de>
6781 * config/mips/mips.c (expand_block_move): Pass alignment
6782 argument to move_by_pieces in bits, not bytes.
6784 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
6785 __pic__ for little endian.
6787 2000-04-13 Andreas Jaeger <aj@suse.de>
6789 * config/i386/i386-protos.h: Add prototype for
6790 uno_comparison_operator.
6792 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
6794 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
6795 * calls.c (ECF_PURE): New flag.
6796 (emit_call_1): Handle ECF_PURE calls.
6797 (initialize_argument_information): Unset ECF_PURE flag too.
6798 (precompute_arguments): Precompute for ECF_PURE too.
6799 (expand_call): Handle ECF_PURE calls too.
6800 (emit_library_call_value_1): Rename no_queue argument to fn_type,
6801 accept value of 2 as pure function.
6802 (emit_library_call_value, emit_library_call): Rename no_queue argument
6804 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
6806 * tree.h (DECL_IS_PURE): New macro.
6807 (struct tree_decl): Add pure_flag.
6808 * c-common.c (enum attrs): Add attribute "pure".
6809 (init_attributes): Initialize attribute "pure"
6810 (decl_attributes): Handle attribute "pure".
6811 * extend.texi (Attribute "pure"): Document.
6812 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
6814 (flags_from_decl_or_type): Support attribute "pure".
6816 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
6818 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
6819 the token except for numbers and identifiers.
6821 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
6823 * i386.c (ix86_expand_binary_operator,
6824 ix86_expand_unary_operator): Check no_new_pseudos
6825 instead of reload_in_progress and reload_completed.
6826 (ix86_split_ashldi, ix86_split_ashrdi,
6827 ix86_split_lshrdi): Check no_new_pseudos instead
6828 of reload_completed.
6830 2000-04-12 Jeffrey A Law (law@cygnus.com)
6832 * function.c (purge_addressof): Unshare any shared rtl created by
6833 purge_addressof and its children.
6835 2000-04-12 Mark Mitchell <mark@codesourcery.com>
6837 * function.c (aggregate_value_p): VOID_TYPE nodes are never
6840 2000-04-05 Andreas Jaeger <aj@suse.de>
6842 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
6843 not compiling PIC code, add flags for mabi=64.
6844 (SUBTARGET_CPP_SIZE_SPEC): New.
6845 (SUBTARGET_CPP_SPEC): New.
6846 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
6847 for MIPS/Linux and lots of code needs these defines.
6849 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
6851 * reorg.c (fill_slots_from_thread): Check side_effects_p when
6852 trying the "opposite arithmetic" approach.
6854 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6856 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
6857 (struct sh_args): Add new field force_mem.
6858 (INIT_CUMULATIVE_ARGS): Initialize it.
6859 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
6861 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
6863 * calls.c (expand_call): Do not reverse args in "equal from" field.
6864 (emit_library_call_value_1): Emit_libcall_block for const and pure
6867 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6869 * reload1.c (reload_combine): Don't enable optimization for fixed
6870 registers when encountering a BARRIER.
6872 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
6874 * builtins.c (expand_builtin_memcmp): Do expansion even with
6875 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
6877 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
6878 stack is propertly aligned; add sanity checking for aligned
6880 (expand_library_call_value_1): Add sanity checking for aligned
6883 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
6885 * calls.c (emit_library_call_value_1): Change 3rd arg to
6886 locate_and_pad_parm to disregard the setting of partial.
6888 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6890 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
6892 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
6893 CALL_INSN from the normal case.
6895 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
6897 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
6898 New global variables.
6899 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
6901 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
6903 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
6904 TARGET_ADD_ESP_8): New macros.
6905 * i386.md: Add peep2s to convert esp adjustments to push and pop
6907 (pushsi_prologue, popsi_epilogue): New patterns.
6909 2000-04-12 Jakub Jelinek <jakub@redhat.com>
6911 * real.c (toe64): Remove stale #endif from the last change.
6913 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
6915 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
6916 * real.c (toe64): Revert previous change.
6918 2000-04-12 Jakub Jelinek <jakub@redhat.com>
6920 * objc/objc-act.c: Include ggc.h.
6921 (objc_tree_index, objc_global_trees): Convert most of the
6922 static tree variables into a static array with previous names
6924 (objc_ellipsis_node): New variable.
6925 (lang_init): Call objc_act_parse_init and c_parse_init.
6926 Create objc_ellipsis_node.
6927 (build_selector_translation_table): Use objc_ellipsis_node instead
6929 (hack_method_prototype): Likewise.
6930 (get_arg_type_list): Likewise.
6931 (start_method_def): Likewise.
6932 (continue_method_def): Likewise.
6933 (gen_method_decl): Likewise.
6934 (ggc_mark_imp_list): New function.
6935 (ggc_mark_hash_table): New function.
6936 (objc_act_parse_init): New function.
6937 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
6938 * c-parse.in (c_parse_init): For objc add roots of objc specific
6939 local tree variables.
6940 * objc/objc-parse.y: Rebuilt.
6941 * objc/objc-parse.c: Rebuilt.
6942 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
6944 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
6946 * cse.c (delete_trivially_dead_insns): Also delete insns
6947 that copy a register to itself where the destination is
6950 2000-04-11 Richard Henderson <rth@cygnus.com>
6952 * flow.c (struct propagate_block_info): Add new_dead, new_live.
6953 (propagate_block): Initialize them. Use them in parallel instead
6954 of one tmp variable, ie revert much of the 0408 and 0407 functional
6955 changes, but keep the structural changes.
6956 (mark_set_regs): Take new_dead from propagate_block_info instead.
6957 (mark_set_1, mark_set_reg): Likewise.
6958 (mark_used_regs): Likewise with new_live.
6959 (mark_used_reg): Likewise. Revert 0408 change.
6961 2000-04-11 Nick Clifton <nickc@cygnus.com>
6963 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
6965 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
6967 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6969 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
6970 const section to output a CONSTRUCTOR based on the same conditions
6973 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
6975 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
6976 * pa/pa-protos.h (output_call): Add additional argument indicating
6977 if the call is a sibling/tail call.
6978 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
6979 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
6980 (function_arg, function_arg_partial_nregs): Likewise
6981 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
6982 (emit_move_sequence): Zero extend certain constants as needed
6984 (compute_zdepdi_operands, output_64bit_and): New functions.
6985 (output_64bit_ior, function_arg): Likewise.
6986 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
6987 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
6988 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
6989 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
6990 (output_bvb): Likewise.
6991 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
6992 (output_call): New argument 'sibcall'. Generate sibcall sequences
6994 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
6995 (ouput_arg_descriptor): Do not emit argument descriptors for
6997 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
6999 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
7000 (FUNCTION_OK_FOR_SIBALL): Define.
7001 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
7002 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
7003 (CPP_SPEC): Use new spec infrastructure.
7004 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
7005 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
7006 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
7007 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
7008 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
7009 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
7010 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
7011 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
7012 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
7013 (FUNCTION_ARG); Call out to C code.
7014 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
7015 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
7016 (MIN_UNITS_PER_WORD): Likewise.
7017 * pa/pa.md (cmpdi): New expander.
7018 (scc patterns, movstrsi): Not available for TARGET_64BIT.
7019 (64bit conditional arithmetic): New patterns.
7020 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
7021 (movsicc): Not available if modes on all the operands to not match.
7022 (movdicc): New expander and associated patterns.
7023 (64bit branches): New patterns.
7024 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
7025 (pre_ldd, post_std): New patterns.
7026 (64bit addil, load low part): New patterns.
7027 (special movsf constant): Not available for TARGET_64BIT.
7028 (movsf, movdf expanders): Force constants into memory.
7029 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
7030 (64bit movdf/movdi patterns): New patterns.
7031 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
7033 (extendqidi2, extendhidi2, extendsidi2): Similarly.
7034 (adddi3 expander): Allow "arith_operand" for second input.
7035 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
7036 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
7037 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
7038 (muldi3): New expander for TARGET_64BIT.
7039 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
7041 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
7042 patterns for TARGET_64BIT.
7043 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
7044 patterns for TARGET_64BIT.
7045 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
7046 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
7047 (sibcall_epilogue): New expander.
7048 (casesi): Tweak for TARGET_64BIT.
7049 (call expanders): Set & use the outgoing argument pointer. Use the
7050 64bit call patterns as needed. Add additional arg to output_call.
7051 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
7052 (sibcall, sibcall_internal_symref): New expanders.
7053 (sibcall_value, sibcall_value_internal_symref
7054 (interspace_jump): Turn into an expander + matching patterns.
7055 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
7056 * pa/pa64-regs.h: Eliminate trigraph sequences.
7057 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
7059 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
7061 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
7062 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
7063 cpp_token with cpp_ttype everywhere.
7064 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
7065 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
7066 CPP_BUF_COL. Line and column numbers are unsigned int, not
7068 * cpplex.c (cpp_buf_line_and_col): Delete.
7069 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
7070 'long lineno' to 'unsigned int lineno'.
7071 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
7073 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7075 * extend.texi: ISO C99 is not a draft anymore.
7076 * invoke.texi: ISO C++ is not a draft anymore.
7077 * cpp.texi: __cplusplus is required by the ISO standard.
7079 * extend.texi (-fthis-is-variable): Undocument.
7080 * flags.h (warn_template_debugging): Remove declaration.
7081 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
7082 -Wenum-clash, -Wtemplate-debugging): Undocument.
7084 2000-04-10 Nick Clifton <nickc@cygnus.com>
7086 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
7088 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
7090 (ARM_SIGN_EXTEND): Use HOST_UINT.
7091 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
7092 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
7093 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
7094 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
7096 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
7097 (arm_gen_constant): Use HOST_UINT.
7098 (arm_canonicalize_constant): Use HOST_UINT.
7099 (arm_reload_in_hi): Use HOST_UINT.
7100 (arm_reload_out_hi): Use HOST_UINT.
7101 (output_multi_immediate): Use HOST_UINT.
7102 (int_log2): Use HOST_UINT.
7103 (arm_poke_function_name): Use HOST_UINT.
7104 (arm_output_epilogue): Use arm_volatile_func().
7105 (output_thumb_prologue): Use arm_strip_name_encoding().
7107 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7109 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
7110 of sequence point problems.
7112 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
7114 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
7116 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
7118 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7120 * sbitmap.h: Whitespace changes and use upper-case macro args.
7121 (struct simple_bitmap_def): All sizes now unsigned.
7122 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
7123 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
7124 (sbitmap_vector_alloc): Parms and local vars now unsigned.
7125 (sbitmap_zero): Cast bzero arg to PTR.
7126 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
7127 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
7128 loop to make structure clearer.
7129 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
7130 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
7131 (sbitmap_a_and_b_or_c): Likewise.
7132 (sbitmap_intersection_of_succs): Minor cleanups.
7133 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
7134 (sbitmap_union_of_preds): Likewise.
7135 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
7136 (debug_sbitmap): New function.
7138 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
7139 * c-typeck.c (convert_for_assignment): Likewise.
7141 * expmed.c (init_expmed): Don't free objects we make.
7142 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
7144 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
7145 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
7147 * gcse.c (expr_hash_table_size): Now unsigned.
7148 (compute_ae_gen): Local variable `i' now unsigned.
7149 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
7150 (compute_transout, hoist_code): Likewise.
7151 (compute_local_properties): Likewise, also hash_table_size.
7152 (alloc_expr_hash_table): N_INSNS now unsigned.
7153 (delete_null_pointer_checks): Mark arg F as unused.
7155 * regrename.c: Minor cleanups, including chang some variables
7158 2000-04-10 Neil Booth <NeilB@earthling.net>
7160 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
7162 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
7164 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7166 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
7167 __classof__, and __headof__ from the list of gnu keywords.
7168 (-ansi): Remove -foperator-names from list of implied options.
7169 Do not call it ANSI C++.
7170 (-foperator-names): Document as -fno-operator-names.
7172 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
7174 * cpphash.c (timestamp): Delete.
7175 (del_HASHNODE): If type is T_MCONST, free value.cpval.
7176 (special_symbol): Remove unnecessary braces. Remove
7177 T_VERSION. Treat T_STDC like T_CONST unless
7178 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
7179 when one is encountered, then convert them into T_MCONST
7181 * cppinit.c (builtin_array): version_string is T_MCONST.
7182 __STDC__ has a "1" in its cpval. Don't have a terminator
7183 entry. Clean up which entries are dumped.
7184 (initialize_builtins): Only __STDC__ gets the special
7185 -traditional treatment. Count the length of builtin_array.
7186 Render version_string here.
7187 * cpphash.h: Remove T_VERSION. Add T_MCONST.
7188 * cpplib.h (struct cpp_reader): Remove timebuf.
7190 2000-04-09 Richard Henderson <rth@cygnus.com>
7192 * genrecog.c (pred): Update comparison_operator for the unordered
7195 * config/i386/i386.c (no_comparison_operator): Disallow unordered
7197 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
7198 (uno_comparison_operator): New.
7199 (put_condition_code): Handle UNORDERED/ORDERED.
7200 (unsigned_comparison): Likewise.
7201 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
7202 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
7203 (ix86_expand_fp_compare): Use them. Take scratch as argument,
7204 update all callers. Handle all 8 unordered operators.
7205 (ix86_expand_setcc): Lose the unordered argument, update all callers.
7206 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
7207 * config/i386/i386.h (PREDICATE_CODES): Update.
7208 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
7209 (ix86_expand_branch, ix86_expand_setcc): Update.
7210 * config/i386/i386.md (sunordered, sordered): New.
7211 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
7212 (bunordered, bordered): New.
7213 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
7214 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
7215 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
7217 2000-04-09 Philip Blundell <philb@gnu.org>
7219 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
7221 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
7223 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
7224 fix_truncxfhi2): New patterns.
7225 * i386.c (output_fix_trunc): Handle converting to HImode.
7227 2000-04-08 Alex Samuel <samuel@codesourcery.com>
7229 * ssa.c (convert_to_ssa): Eliminate dead code when calling
7231 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
7232 (for_each_successor_phi): Change parameter to basic_block.
7233 (coalesce_regs_in_successor_phi_nodes): Likewise.
7234 (coalesce_regs_in_copies): Likewise.
7235 (compute_coalesced_reg_partition): Use basic_block instead of index.
7236 * rtl.h (convert_to_ssa): Delete.
7237 (convert_from_ssa): Likewise.
7238 (successor_phi_fn): Likewise.
7239 (for_each_successor_phi): Likewise.
7240 (in_ssa_form): Likewise.
7241 * basic-block.h (convert_to_ssa): Moved from rtl.h.
7242 (convert_from_ssa): Likewise.
7243 (successor_phi_fn): Likewise.
7244 (in_ssa_form): Likewise.
7245 (for_each_successor_phi): Likewise. Change parameter to basic_block.
7246 * flow.c (calculate_global_regs_live): Pass a basic_block to
7247 for_each_successor_phi.
7249 2000-04-08 Richard Henderson <rth@cygnus.com>
7251 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
7252 was modified in the current insn.
7254 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
7256 * arm/thumb.md: Delete.
7257 * arm/thumb-protos.h: Delete.
7259 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
7261 Merge changes from merged-arm-thumb-backend-branch onto trunk.
7263 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
7265 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
7268 * arm.md (nop): Use the standard RTL expression. Don't code as a
7270 (*arm_nop, *thumb_nop): Delete.
7272 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
7273 constants. Use casts instead.
7274 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
7275 output_multi_immediate, arm_poke_function_name): Likewise.
7276 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
7277 MASK_RETURN_ADDDR): Likewise.
7279 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
7281 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
7284 * arm.md (eh_epilogue): New function.
7285 * arm.h (struct machine_function): Move to here ...
7286 * arm.c: ... from here.
7287 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
7288 (thumb_exit): Extra parameter eh_ofs. All callers changed.
7289 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
7291 2000-03-30 Nick Clifton <nickc@cygnus.com>
7293 * config/arm/semi.h (ASM_SPEC): Restore definition.
7294 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
7296 * config/arm/elf.h (ASM_SPEC): Restore definition.
7297 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
7299 * config/arm/arm.h (ASM_SPEC): Remove definition.
7300 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
7302 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
7304 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
7306 2000-03-24 Nick Clifton <nickc@cygnus.com>
7308 Various formating tidyups, elimination of compile time
7309 warnings and synchronisation with internal sources:
7311 * config/arm/arm-protos.h (assemble_align): Add prototype.
7312 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
7313 (gen_comapre_reg): Rename to arm_gen_compare_reg.
7314 (arm_return_addr_rtx): Rename to arm_return_addr.
7316 * config/arm/arm.c: Include except.h.
7317 Define shorter typenames for strict minipool_node and struct
7319 (arm_return_in_memory): For WinCE return all structures <= 32 bits
7321 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
7322 (gen_comapre_reg): Rename to arm_gen_compare_reg.
7324 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
7326 (ASM_SPEC): Define if not already defined.
7327 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
7329 * config/arm/arm.md: Rename references to gen_rotated_half_load to
7330 arm_gen_rotated_half_load, and references to gen_comapre_reg to
7331 arm_gen_compare_reg.
7332 (indirect_jump): Only accept register operands.
7333 (load_indirect_jump): Keep this pattern since combine can generate
7336 * config/arm/coff.h: Include aout.h.
7337 (MULTILIB_DEFAULTS): Only define if not already defined.
7339 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
7340 into arm.h (so that COFF ports can support thumb based aliases).
7341 (ASM_SPEC): Move definition into arm.h
7343 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
7344 redundant apcs spec.
7345 (ASM_SPEC): Move definition to arm.h
7347 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
7349 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
7350 for entries in the .bss section
7352 2000-03-23 Nick Clifton <nickc@cygnus.com>
7354 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
7355 to thumb_far_jump_used_p.
7357 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
7358 single integer parameter.
7360 * config/arm/arm.c (struct machine_function): Add two new
7361 fields, 'far_jump_used' and 'arg_pointer_live'.
7362 (thumb_far_jump_used_p): Once the decision has been made that
7363 far jumps might be used, always return true.
7364 If being called from the initial elimination offset macro then
7365 do not bother to perform the test if the arg pointer is not
7367 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
7368 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
7370 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
7372 * arm.c (output_return_instruction): Handle more cases where we can
7373 return from a function with an ldr instruction.
7374 (arm_output_epilogue): Likewise.
7376 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
7377 if we need to push a large stack frame and there are no callee-saved
7380 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
7381 in ARM code if the frame pointer has been eliminated.
7383 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
7384 unspec_volatile arguments to avoid duplicates.
7385 (consttable_1, consttable_2): Fixes for big-endian mode.
7387 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
7390 Re-write constant pool code.
7391 * arm.c (minipool_node, minipool_fix): New types.
7392 (minifix): Delete type.
7393 (arm_add_minipool_constant): Delete.
7394 (arm_compute_minipool_offsets, arm_find_barrier,
7395 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
7396 (get_jump_table_size): Now returns HOST_WIDE_INT.
7397 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
7399 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
7400 (assign_minipool_offsets, arm_print_value): Likewise.
7401 (dump_minipool): Rewrite.
7402 (arm_barrier_cost): New function.
7403 (create_fix_barrier): New function.
7404 (push_minipool_barrier): New function.
7405 (push_minipool_fix): Record additional information about the fixup
7407 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
7408 check the mode of what needs fixing.
7409 (arm_reorg): Rewrite.
7411 2000-03-08 Nick Clifton <nickc@cygnus.com>
7413 * config/arm/arm.md (indirect_jump): Force constant addresses into
7416 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
7418 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
7420 2000-02-24 Nick Clifton <nickc@cygnus.com>
7422 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
7423 adjust is word aligned.
7424 (thumb_expand_epilogue): Make sure that stack adjust is word
7427 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
7429 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
7431 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
7432 pointer relative addresses.
7434 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
7436 * arm.c (find_barrier): Find the last barrier within the allowed
7439 2000-02-09 Nick Clifton <nickc@cygnus.com>
7441 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
7443 2000-02-09 Nick Clifton <nickc@cygnus.com>
7445 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
7446 ARM_FUNCTION_PROFILER.
7448 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
7449 ARM_FUNCTION_PROFILER.
7451 * config/arm/linux-oldld.h: Imported from mainline sources.
7453 2000-02-07 Nick Clifton <nickc@cygnus.com>
7455 * config/arm/lib1funcs.asm: Merge in thumb functions from
7458 * config/arm/lib1thumb.asm: Delete.
7460 2000-02-04 Nick Clifton <nickc@cygnus.com>
7462 * config/arm/arm.c: Sychronised with current Red hat local
7464 * config/arm/arm.h: Ditto.
7465 * config/arm/arm-protos.h: Ditto.
7467 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
7469 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
7471 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
7474 2000-02-02 Nick Clifton <nickc@cygnus.com>
7476 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
7478 * config/arm/arm.md (epilogue): Fix rtl checking abort because
7479 (return) was emited using an emit_insn() call.
7481 2000-01-31 Nick Clifton <nickc@cygnus.com>
7483 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
7485 (thumb_exit): Move frame pointer back into hard frame pointer
7486 register if backtracing is being used.
7488 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
7490 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
7493 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
7495 * config/arm/arm.md (neg_pool_offset): Provide default for new
7497 (arm_movsi_insn): Add neg_pool_offset attribute.
7498 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
7499 rtx for the insn that starts the scan and an unsigned long for its
7500 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
7501 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
7502 instructions in *PINSERTED.
7503 (struct minipool_fixup): Add MIN_ADDRESS elt.
7504 (sort_fixups): Compute it.
7505 (arm_reorg): Changes to support inserting pools before the insn to be
7508 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
7510 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
7511 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
7512 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
7514 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
7516 * config/arm/semi.h (TARGET_VERSION): Do not define if already
7518 (TARGET_DEFAULT): Do not define if already defined.
7520 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
7522 * config/arm/arm.md (anddi3): Allow disjoint source operands.
7523 (iordi3): Allow disjoint source operands.
7524 (xordi3): Allow disjoint source operands.
7525 (negdi2): Permit construction for ARM and Thumb.
7526 (arm_negdi2): Renamed version of old negdi2 pattern.
7527 (thumb_negdi2): New pattern: Only permit non-overlapping
7528 source and destination.
7530 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
7532 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
7533 scratch low register so that it will not be deleted.
7535 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
7537 * config/arm/pe.h (ARM_PE): Define.
7539 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
7540 interfacearm attribute if this is a PE toolchain.
7541 (output_return_instruction): Do not emit anything if the function
7542 has the naked attribute set.
7543 (is_called_in_ARM_mode): If the function has the interfacearm
7544 attribute then return true.
7545 (thumb_expand_prologue): Do not generate a prologue for naked
7547 (thumb_expand_epilogue): Do not generate an epilogie for a naked
7549 (output_thumb_prologue): Do not bother if the function is naked.
7550 Strip PE encoding from function name before emitting.
7552 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
7554 * arm.md (pic_load_addr): Fix constraints.
7556 * arm.md (casesi_insn): Fix mis-applied patch.
7558 * arm.md ("core" function unit): Add rules for single- and
7560 (All TARGET_THUMB patterns): Add "type" attribute information
7562 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
7563 the following insn is a CALL.
7565 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
7567 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
7568 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
7569 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
7571 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
7573 * config/arm/linux-gas.h: oops - this file was missed out when the
7574 branch was created...
7576 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
7578 * thumb.c: Deleted. Move contents to ...
7580 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
7582 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
7585 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
7586 declare a prototype for asm_output_align();
7588 * arm.c (thumb_condition_code): Delete.
7589 (arm_print_operand): Always use arm_condition_code array.
7591 * arm.c (thumb_return_addr_rtx): Delete.
7592 (arm_save_machine_status, arm_restore_machine_status): Delete.
7593 (arm_init_machine_status, arm_mark_machine_status): New functions.
7594 (arm_init_expanders): Update accordingly.
7595 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
7596 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
7597 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
7599 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
7601 * configure.in : Fix arm-*-aout target to use new t-arm-aout
7603 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
7606 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
7608 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
7609 stack backtrace structure.
7611 * config/arm/arm-protos.h: Add prototypes for functions defined in
7614 * config/arm/arm.c (arm_override_options): Fix selection of
7615 attributes of default processor.
7617 * config/arm/coff.h: Delete needless #include.
7619 * config/arm/pe.c: Delete unused code.
7621 * config/arm/pe.h (CPP_DEFINES): Delete
7622 (SUBTARGET_CPP_SPEC): Define.
7623 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
7625 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
7627 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
7629 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
7631 (CAN_DEBUG_WITHOUT_FP): Define.
7632 (FIXED_REGISTERS): Make r11 call-saved.
7633 (CALL_USED_REGISTERS): Likewise.
7634 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
7635 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
7636 frame-pointer is required.
7637 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
7638 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
7639 if the target normally needs a stack frame in non-leaf functions.
7640 (use_return_insn): Correct logic for determining when a return
7641 instruction can be used.
7642 (output_return_instruction): Handle the frame-pointer register as
7643 a normal register when not TARGET_APCS_FRAME.
7644 (arm_output_prologue): Likewise.
7645 (arm_output_epilogue): Likewise.
7646 (output_func_epilogue): Likewise.
7647 (arm_expand_prologue): Likewise.
7648 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
7650 * arm.c (use_return_insn): No need to check floating point regs if
7652 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
7653 the code of value stored in the minipool array.
7654 (arm_add_minipool_constant): Likewise.
7656 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7658 * basic-block.h (conflict_graph_enum_fn): K&R fix.
7660 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7662 * tree.c (tree_expr_nonnegative_p): New function.
7664 * tree.h (tree_expr_nonnegative_p): Declare.
7666 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
7667 elide some sign_compare warnings.
7668 (build_conditional_expr): Likewise.
7670 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
7672 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
7674 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
7675 * i386.c (print_operand): Use the proper suffix for a 387 HImode
7676 operand. Abort if a 387 operand has an unsupported size.
7678 2000-04-08 Neil Booth <NeilB@earthling.net>
7680 * cppexp.c (parse_charconst): Null does not end character
7682 * cppinit.c (ISTABLE): Null character handled as whitespace.
7683 * cpplex.c (null_warning): new function.
7684 (skip_string): Emit warning if nulls encountered.
7685 (_cpp_skip_hspace): Emit warning if nulls encountered.
7686 (_cpp_lex_token): Emit warning if nulls encountered. Drop
7690 2000-04-07 Richard Henderson <rth@cygnus.com>
7692 * flow.c (loop_depth): Remove.
7693 (reg_next_use, cc0_live, mem_set_list): Replace with ...
7694 (struct propagate_block_info): New.
7695 (life_analysis): Don't allocate reg_next_use.
7696 (propagate_block_delete_insn): Break out of propagate_block.
7697 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
7698 (propagate_block_delete_libcall): Likewise.
7699 (propagate_block): Create a propagate_block_info struct to pass
7700 to subroutines. Allocate one not two temporary regsets. Don't
7701 clobber memory for const calls. Look for clobbers in
7702 CALL_INSN_FUNCTION_USAGE.
7703 (mark_set_regs): Recognize COND_EXEC.
7704 (mark_set_reg): Break out of mark_set_1.
7705 (mark_used_reg): Break out of mark_used_regs.
7706 (mark_used_regs): Recognize COND_EXEC.
7707 (insn_dead_p): Use propagate_block_info struct.
7708 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
7709 (find_auto_inc, try_pre_increment_1): Likewise.
7710 (print_rtl_with_bb): Dump regs live at end too.
7711 (count_reg_sets_1): Pass in loop_depth.
7712 (count_reg_sets, count_reg_references): Likewise.
7713 (recompute_reg_usage): Provide it.
7715 2000-04-07 Richard Henderson <rth@cygnus.com>
7717 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
7720 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
7722 * cpplib.c (do_elif): Skip the rest of the line if we're
7723 not going to bother evaluating it.
7724 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
7725 to avoid pointless calls to the lexer.
7727 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
7729 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
7731 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
7733 * calls.c (expand_call): emit_queue if we're trying a sibcall.
7735 2000-04-07 Jakub Jelinek <jakub@redhat.com>
7737 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
7739 2000-04-06 Geoff Keating <geoffk@cygnus.com>
7741 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
7742 crtend so they can be multilibbed.
7743 (STAGESTUFF): Remove s-crt and s-crtS.
7745 2000-04-07 Richard Henderson <rth@cygnus.com>
7747 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
7748 if we discover we need a pseudo and no_new_pseudos is true.
7749 * config/alpha/alpha.md (ne:DI insn): New.
7750 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
7752 2000-04-07 Richard Henderson <rth@cygnus.com>
7754 * rtl.def (COND_EXEC): New.
7755 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
7756 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
7758 * genconfig.c (have_cond_arith_flag): Remove.
7759 (have_cond_exec_flag): New.
7760 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
7761 (main): Print HAVE_conditional_execution.
7763 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
7764 (sched_analyze_insn, print_pattern): Likewise.
7765 * reload.c (find_equiv_reg): Likewise.
7766 * rtlanal.c (reg_referenced_p): Likewise.
7767 (note_stores, dead_or_set_regno_p): Likewise.
7768 (reg_overlap_mentioned_p): Rewrite to use a switch.
7770 * ggc.h (struct rtx_def): Forward declare.
7772 * print-rtl.c (debug_rtx_range): New.
7773 * rtl.h (debug_rtx_range): Declare.
7775 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
7777 * gcse.c (gcse_main): Don't rebuild the CFG here.
7778 (delete_null_pointer_checks): Likewise.
7779 * ssa.c (convert_to_ssa): Likewise.
7780 * toplev.c (rest_of_compilation): Do it here instead. Combine
7781 sequential calls to TIMEVAR. Consistently use `insns' instead of
7782 `get_insns()'. Always split insns after reload when optimizing.
7784 * basic-block.h (merge_blocks_nomove): Declare.
7785 (tidy_fallthru_edge): Declare.
7786 * flow.c (merge_blocks_nomove): Document as merging into previous
7787 blocks. Remove cruft from between blocks; remove all edges out of A.
7788 (tidy_fallthru_edge): Export.
7790 2000-04-06 Alex Samuel <samuel@codesourcery.com>
7792 * ssa.c (compute_conservative_reg_partition): Declare with
7794 * toplev.c (clean_dump_file): Remove previously-deleted function
7795 inadvertantly merged back in.
7796 * conflict.c (conflict_graph_add): Use a single call to
7797 htab_find_slot to look up and insert.
7799 2000-04-06 Richard Henderson <rth@cygnus.com>
7801 * genrecog.c (*): Rename _last_insn to last_insn.
7802 (make_insn_sequence): Set the position of the peephole2 C test
7803 to be at the last insn.
7805 2000-04-06 Richard Henderson <rth@cygnus.com>
7807 * flow.c (compute_flow_dominators): Free worklist.
7809 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
7811 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
7813 2000-04-06 Alex Samuel <samuel@codesourcery.com>
7815 * rtl.h (INSN_P): New macro.
7816 (successor_phi_fn): New typedef.
7817 (for_each_successor_phi): New prototype.
7818 (in_ssa_form): New variable.
7819 (PHI_NODE_P): Likewise.
7820 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
7821 phi nodes in successors.
7822 (mark_used_regs): Add PHI case.
7823 (set_phi_alternative_reg): New function.
7824 (life_analysis): Assert that dead code elimination is not selected
7826 * toplev.c (to_ssa_time): New variable.
7827 (from_ssa_time): Likewise.
7828 (compile_file): Zero to_ssa_time and from_ssa_time.
7829 Print time to convert to and from SSA.
7830 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
7831 (print_time): Compute percent fraction as integer.
7832 * ssa.c (PHI_NODE_P): Moved to rtl.h.
7833 (convert_to_ssa): Check if we're already in SSA.
7834 Don't eliminate dead code in life_analysis.
7835 Rerun flow and life analysis at bottom.
7836 (eliminate_phi): Use canonical regnos when adding nodes.
7837 (mark_reg_in_phi): New function.
7838 (mark_phi_and_copy_regs): Likewise.
7839 (convert_from_ssa): Rerun life analysis at top.
7840 Use coalesced partition.
7841 Check for removing a phi node at the end of the block.
7842 (compute_coalesced_reg_partition): New function.
7843 (coalesce_regs_in_copies): Likewise.
7844 (coalesce_reg_in_phi): Likewise.
7845 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
7846 (for_each_successor_phi): Likewise.
7847 (rename_context): New struct.
7848 (rename_block): Use a rename_context with rename_insn_1. When
7849 renaming sets of a subreg, emit a copy of the entire reg first.
7850 (rename_insn_1): Treat data as a rename_context *. Save current
7852 (rename_set_data): Add field set_insn.
7853 * Makefile.in (HASHTAB_H): Move up in file.
7854 (OBSTACK_H): New macro.
7855 (collect2.o): Use OBSTACK_H in dependencies.
7856 (sdbout.o): Likewise.
7857 (emit-rtl.o): Likewise.
7858 (simplify-rtx.o): Likewise.
7859 (fix-header.o): Likewise.
7860 (OBJS): Add conflict.o.
7861 (conflict.o): New rule.
7862 * basic-block.h: Include partition.h.
7863 (conflict_graph): New typedef.
7864 (conflict_graph_enum_fn): Likewise.
7865 (conflict_graph_new): New prototype.
7866 (conflict_graph_delete): Likewise.
7867 (conflict_graph_add): Likewise.
7868 (conflict_graph_conflict_p): Likewise.
7869 (conflict_graph_enum): Likewise.
7870 (conflict_graph_merge_regs): Likewise.
7871 (conflict_graph_print): Likewise.
7872 (conflict_graph_compute): Likewise.
7873 * conflict.c: New file.
7875 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
7877 * tlink.c (read_repo_files): Don't look for .rpo info for
7880 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7882 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
7884 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7886 * config/sh/lib1funcs.asm (___udivsi3_i4):
7887 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
7888 only depends on FMOVD_WORKS.
7890 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7892 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
7893 make double constant 8-byte aligned.
7895 2000-04-06 Jakub Jelinek <jakub@redhat.com>
7897 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
7898 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
7899 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
7900 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
7901 Accept storing GENERAL_REGS into offsetable memory.
7902 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
7903 building a TFmode constant other than 0.0L into GENERAL_REGS.
7905 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
7907 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
7909 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
7911 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
7912 (macro_cleanup): No need to cast pbuf->macro.
7913 (collect_expansion): Use _cpp_get_define_token. Goto done if
7914 it returns VSPACE. Remove check for trailing space after
7916 (_cpp_create_definition): Don't diddle flags here. Return
7918 (unsafe_chars): Handle c1 being EOF.
7919 (push_macro_expansion): Use unsafe_chars for both accidental-paste
7920 checks. Don't push the buffer till after we're done with
7922 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
7923 (PEEKN, FORWARD, GETC, PEEKC): Use them.
7924 (cpp_push_buffer): Don't set new->alimit. Set new->mark
7926 (_cpp_parse_assertion): Don't NUL terminate.
7927 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
7928 hspace before calling _cpp_parse_assertion. Remove all sets
7929 of only_seen_white. Treat '\f' as hspace. Don't do anything
7930 special with '\n' here.
7931 (maybe_macroexpand): Handle T_EMPTY hash entries without
7932 pushing a buffer at all.
7933 (cpp_get_token): Handle clearing only_seen_white here. Handle
7934 incrementing the line number here. Clear
7935 potential_control_macro as well as only_seen_white, if
7937 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
7938 (_cpp_get_define_token): New function, basically like
7939 _cpp_get_directive_token was but doesn't eat horizontal space.
7940 Don't do anything with only_seen_white here.
7941 (_cpp_get_directive_token): Just call _cpp_get_define_token
7942 repeatedly till it returns non-hspace.
7944 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
7945 (conditional_skip, skip_if_group): Return int.
7946 (DIRECTIVE_TABLE): Change origin of all conditional directives
7948 (TRAD_DIRECT_P): New macro.
7949 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
7950 an error for a bogus directive, unless -lang-asm. Use
7951 TRAD_DIRECT_P. Loop calling handler functions till one returns
7953 (get_macro_name): Don't diddle flags here.
7954 (do_define): Diddle flags here. Use _cpp_get_directive_token.
7955 Create T_EMPTY nodes for #define macro /* nothing */.
7956 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
7957 Use hp->name when calling pass_thru_directive.
7958 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
7959 Return the result of conditional_skip and/or skip_if_group.
7960 Don't call _cpp_output_line_command.
7961 (consider_directive_while_skipping): Use _cpp_get_directive_token.
7962 Issue -Wtraditional warnings as appropriate. Don't complain
7963 about unrecognized directives. If we are to stop skipping,
7964 return the number of the directive that ended the skip.
7965 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
7966 expansion and line commands while skipping. Return the result
7967 of consider_directive_while_skipping, if nonzero.
7968 (do_endif): Just set potential_control_macro here.
7969 (validate_else): Use _cpp_get_directive_token.
7970 (do_assert, do_unassert): Don't save pointers into the
7971 token_buffer across calls to the lexer. Use
7972 _cpp_get_directive_token.
7974 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
7975 pointer, not an offset. Replace 'data', which was a generic
7976 pointer, with 'macro', which points to a struct hashnode.
7977 (cpp_reader): Add 'potential_control_macro' pointer.
7978 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
7979 (CPP_BUF_GET, CPP_FORWARD): Delete.
7980 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
7981 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
7982 ACTIVE_MARK_P): Update.
7983 (_cpp_get_define_token): New internal function.
7984 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
7986 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
7988 * configure.in: And here.
7989 * configure: Regenerate.
7990 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
7991 --enable-libstdcxx-v3 is passed at configure time.
7992 * config.h.in: Regenerate.
7994 2000-04-05 Mark Mitchell <mark@codesourcery.com>
7996 * final.c (final): Use xcalloc to allocate line_note_exists.
7997 * function.c (free_after_compilation): Free the temp_slots.
7998 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
7999 (combine_temp_slot): Free temp_slots when they get combined.
8000 (purge_addressof): Fix typo in comment.
8001 * stmt.c (mark_goto_fixup): Mark the fixup itself.
8002 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
8004 * ggc.h: Include varray.h.
8005 (ggc_pending_trees): Declare.
8006 (ggc_mark_tree_children): Remove declaration.
8007 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
8008 * ggc-common.c (ggc_pending_trees): New variable.
8009 (ggc_mark_roots): Call ggc_mark_trees.
8010 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
8011 the ggc_pending_trees.
8012 * Makefile.in (GGC_H): New variable. Use it throughout in place
8015 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8017 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
8020 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8022 * sh.c (sh_insn_length_adjustment): New function.
8023 * sh-protos.h (sh_insn_length_adjustment): Declare.
8024 * sh.h (ADJUST_INSN_LENGTH): Use it.
8026 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
8028 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
8029 from the insn where REG_RETVAL is added.
8030 (emit_no_conflict_block): Ditto.
8032 * md.texi (Standard Names): Clarify when movX is needed.
8034 * combine.c (simplify_comparison) [MINUS]: Do not replace
8035 all (op (minus A B) 0) with (op A B).
8037 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
8038 J"orn Rennecke <amylaar@cygnus.co.uk>
8040 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
8041 (block_lump_real): Likewise.
8043 2000-04-05 Chris Demetriou <cgd@netbsd.org>
8045 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
8046 remaining non-zero debugging masks.
8048 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
8050 * basic-block.h (verify_flow_info): Declare.
8051 (flow_loop_outside_edge_p): Declare.
8052 * flow.c (verify_flow_info): Remove declaration.
8053 (clear_log_links, flow_loop_outside_edge_p): Likewise.
8055 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
8057 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
8060 2000-04-05 Jakub Jelinek <jakub@redhat.com>
8062 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
8063 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
8064 seqdi_zero_trunc+1): Allow splits only if registers are
8067 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
8069 * acconfig.h: Add HAVE_GAS_HIDDEN.
8070 * config.in: Regenerated.
8071 * configure.in: Add test for .hidden pseudo-op in gas.
8072 * configure: Regenerated.
8073 * crtstuff.c: Include auto-host.h.
8074 Emit additional .hidden pseudo-op for __dso_handle if the
8075 assembler knows about it.
8077 2000-04-04 Philippe De Muyter <phdm@macqel.be>
8079 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
8080 before freeing argnames.
8081 * cpplib.c (do_ifndef): Cast return value of xstrdup.
8083 2000-04-05 Michael Meissner <meissner@redhat.com>
8085 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
8086 Walton <jonboy@gordian.com> to make memory references with update
8087 work wtih -mregnames.
8089 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8091 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
8092 (regrename_optimize): Rename variables `def_uses' and
8093 `ext_basic_blocks' to avoid conflicts with similarly named
8094 typedefs in traditional C.
8096 * calls.c (initialize_argument_information): Fix typo in previous
8099 2000-04-04 Richard Henderson <rth@cygnus.com>
8101 * regrename.c (consider_available): Test fixed_regs not
8102 PIC_OFFSET_TABLE_REGNUM.
8104 2000-04-04 Geoff Keating <geoffk@cygnus.com>
8106 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
8108 (CRTSTUFF_T_CFLAGS_S): Delete definition.
8109 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
8110 (ENDFILE_LINUX_SPEC): Always use crtend.
8111 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
8112 (powerpc-*-linux-gnu): Likewise.
8113 * configure: Regenerate.
8115 * config/rs6000/eabi.h: Don't include sysv4.h.
8116 (MULTILIB_DEFAULTS): Don't define.
8117 * config/rs6000/eabiaix.h: Don't include eabi.h.
8118 * config/rs6000/eabile.h: Delete.
8119 * config/rs6000/eabilesim.h: Delete.
8120 * config/rs6000/eabisim.h: Don't include eabi.h.
8121 * config/rs6000/linux.h: Don't include sysv4.h.
8122 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
8123 (MULTILIB_DEFAULTS): Don't redefine.
8124 * config/rs6000/rtems.h: Don't include eabi.h.
8125 * config/rs6000/sol2.h: Don't include sysv4le.h.
8126 * config/rs6000/sysv4le.h: Don't include sysv4.h.
8127 * config/rs6000/t-ppc: Delete.
8128 * config/rs6000/t-ppcgas: Correct comment.
8129 * config/rs6000/t-ppcos: Correct comment. Don't build
8130 multilibs for -fPIC, rather use -fPIC -mstrict-align
8132 * config/rs6000/t-ppc: Delete.
8133 * config/rs6000/vxppc.h: Don't include sysv4.h.
8134 * config/rs6000/vxppcle.h: Delete.
8135 * configure.in: Use multiple header files for p2pc ELF targets
8136 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
8137 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
8138 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
8139 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
8140 always available for these platforms.
8142 2000-04-04 Richard Henderson <rth@cygnus.com>
8144 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
8146 2000-04-04 Stan Cox <scox@cygnus.com>
8148 * Makefile.in: Add rules for regrename.o
8149 * regrename.c: New file.
8150 * rtl.h (regrename_optimize): Add prototype.
8151 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
8152 (compile_file, decode_d_option): Add support for -frename-registers.
8153 (rest_of_compilation): Call regrename_optimize.
8154 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
8157 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8159 * Makefile (gccbug): New target.
8160 (doc): Depend on it.
8161 * gcc.texi (Bugs): Link subnodes.
8163 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
8164 Document severities, priorities, and classes in bug form.
8166 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
8168 * cpplex.c (trigraph_map, speccase): Combine into single
8170 (NORMAL, NONTRI): New macros.
8171 (_cpp_read_and_prescan): Change to use unified table. Use
8172 is_hspace to test for whitespace.
8174 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
8175 definition that doesn't provoke the "empty body in an
8176 if-statement" warning.
8178 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
8180 * builtins.c (expand_builtin_strlen): Force the source to
8181 be a memory address.
8183 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8185 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
8187 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
8189 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
8190 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
8191 (ECF_IS_CONST): Rename to ECF_CONST.
8192 (special_function_p): Make static, change interface.
8193 (flags_from_decl_or_type, try_to_integrate): Break out from ...
8194 (expand_call) ... here; convert number of variables to flags.
8195 (emit_library_call_vlue_1): Likewise.
8196 (setjmp_call_p): New function.
8197 (initialize_argument_information): Accepts flags as argument;
8199 (precompute_arguments): Likewise.
8200 * tree.h (special_function_p): Remove.
8201 (setjmp_call_p): Add prototype.
8203 2000-04-04 Jakub Jelinek <jakub@redhat.com>
8205 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
8206 so that addresses are offsetable by up to 16 bytes.
8207 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
8208 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
8211 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
8212 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
8213 (movsf): Don't force any constant to memory if target is integer
8215 Move fp_zero_operand check below the const0_rtx check.
8216 (movtf): Likewise. Also allow fp_zero_operand for stores into
8218 (movdf): Likewise. Also allow fp_zero_operand for stores into
8219 memory and into integer hard registers.
8220 (clear_df, clear_dfp, movdf_const_intreg_sp32,
8221 movdf_const_intreg_sp64): Remove.
8222 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
8224 (movdf_no_e_insn_v9_sp32): New pattern.
8225 (movdf_insn_v9only): Remove.
8226 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
8227 (movdf_insn_sp64): Remove.
8228 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
8229 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
8230 (following splits): Rewrite conditions. Add two new splits
8231 for storing 0.0 into memory and registers.
8232 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
8233 (movtf_insn_sp32): Redo constraints and conditions.
8234 (movtf_insn_vis_sp32): New pattern.
8235 (movtf_no_e_insn_sp32): Redo constraints and conditions.
8236 (movtf_insn_hq_sp64): Likewise.
8237 (movtf_insn_hq_vis_sp64): New pattern.
8238 (movtf_insn_sp64): Redo constraints and conditions.
8239 (movtf_insn_vis_sp64): New pattern.
8240 (movtf_no_e_insn_sp64): Redo constraints and conditions.
8241 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
8243 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
8244 -mvis or -m64 to take down the number of various reload patterns.
8246 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
8248 * pa/pa-64.h: New file.
8249 * pa/pa64-regs.h: New file.
8250 * pa/pa64-start.h: New file.
8251 * pa/t-pa64: New file.
8252 * pa/xm-pa64hpux.h: New file.
8254 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8256 * sparc.c (output_restore_regs): Prototype.
8257 (sparc_emit_float_lib_cmp): Constification.
8259 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
8261 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
8264 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
8265 (get_value_hash, hash_rtx): Likewise.
8267 * ssa.c (compute_conservative_reg_partition): Prototype.
8269 * tree.c (mark_hash_entry): Prototype.
8271 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
8273 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
8274 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
8275 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
8277 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
8278 * objc/lang-specs.h: Likewise.
8280 2000-04-03 Neil Booth <NeilB@earthling.net>
8282 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
8283 and SYNTAX_ERROR2. Replace `' in messages with ''.
8284 (op_to_str): Make re-entrant.
8285 (_cpp_parse_expr): Implement new error macros. Use | rather
8286 than || to logically or 2 boolean integers. Simply expression
8287 checking we have a left operand iff needed.
8289 2000-04-03 Nick Clifton <nickc@cygnus.com>
8291 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
8293 2000-04-03 Philip Blundell <philb@gnu.org>
8295 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
8297 2000-04-03 Felix Lee <flee@cygnus.com>
8299 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
8300 (run_shell): Use it.
8302 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
8304 * Makefile.in (stmp-int-hdrs): Make include subdir here...
8305 (stmp-fixproto): ...rather than here.
8307 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
8309 * pa.c (print_operand): Compute 'base' only inside the code paths
8312 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
8314 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
8317 2000-04-03 Philipp Thomas <pthomas@suse.de>
8319 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
8321 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
8323 * Makefile.in (alias.o): Depend on $(TREE_H).
8325 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
8327 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
8329 * cpplib.c (_cpp_handle_directive): Improve warnings for
8330 traditional C and indented directives.
8332 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
8333 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
8334 fixinc/inclhack.def: Indent the # of #include_next one space.
8335 * cp/rtti.c: Un-indent #if and #endif.
8337 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
8338 syntax error, but an error has already been printed.
8339 * cpplex.c (_cpp_parse_assertion): Give a more specific error
8340 message when called with nothing remaining on the line.
8341 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
8342 OTHER token, not an ASSERTION.
8343 * cpplib.c (do_assert): When we create a 'base' node, clear
8344 its aschain pointer.
8346 2000-04-02 Neil Booth <NeilB@earthling.net>
8348 * cppexp.c: New typedef op_t. struct operation and struct
8349 token updated to use it.
8350 (op_to_str): New function.
8351 (_cpp_parse_expr): Error messages modified to use op_to_str.
8353 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8355 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
8356 before checking MUST_PASS_IN_STACK.
8358 2000-04-02 Neil Booth <NeilB@earthling.net>
8360 * cppexp.c: New FINISHED dummy token. Combine operator initial
8361 flags and initial priority into a single constant. New
8362 EQUALITY macro. New operator flag SHORT_CIRCUIT.
8363 (_parse_cpp_expr): Implement new constants. Take left operand
8364 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
8365 parse indicated by reducing FINISHED token. Remove new lines
8366 from cpp_error messages.
8368 2000-04-01 Mark Mitchell <mark@codesourcery.com>
8370 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
8373 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
8375 * cpplib.c: Include symcat.h. Add 'origin' field to struct
8376 directive. Add origin values to DIRECTIVE_TABLE. Generate
8377 the strings and function names on the fly. Take the #sccs
8378 entry out of the table if SCCS_DIRECTIVE is not defined.
8379 (_cpp_handle_directive): Decide if the # was at the beginning
8380 of the line here. Issue -pedantic warnings for extended
8381 directives here. Warn about K+R directives with the #
8382 indented, and C89/extended directives with the # not indented,
8384 (do_import, do_include_next, do_warning, do_ident, do_sccs,
8385 do_assert, do_unassert): Don't issue pedantic warning here.
8387 * cpphash.h: Add CPP_WTRADITIONAL macro.
8388 * cpplib.h (struct cpp_options): Rename warn_stringify to
8389 warn_traditional; update comments.
8390 * cppinit.c (handle_option): Set warn_traditional not
8392 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
8393 CPP_WTRADITIONAL (pfile).
8394 * cpplex.c (_cpp_lex_token): Don't decide if directives should
8395 be ignored in -traditional mode here.
8397 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
8398 to initialize speccase[] and trigraph_map[]. Delete all
8399 references to pfile->input_speccase. Always treat '?' as a
8400 special character. Remove table-initialization code from
8401 _cpp_init_input_buffer.
8403 * cpplib.h (struct cpp_reader): Remove input_speccase field.
8404 * cppinit.c (cpp_cleanup): Don't free input_speccase.
8406 2000-04-01 Richard Henderson <rth@cygnus.com>
8408 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
8409 (mostlyclean): Likewise.
8411 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
8412 (struct dump_file_info, enum dump_file_index, dump_file): New.
8413 (open_dump_file): Take a dump_file_index not a suffix, and a decl
8414 not a string. Clean out file if we havn't yet done so. Do nothing
8415 if the dump isn't enabled.
8416 (close_dump_file): Do nothing if the dump isn't open. Dump
8417 graph data if requested.
8418 (dump_rtl, clean_dump_file): Remove.
8419 (compile_file): Don't clean the dump files. Only finalize .bp dump
8420 if flag_test_coverage or flag_branch_probabilities. Only finalize
8421 .combine dump if optimizing. Iterate over dump_file to finalize the
8423 (rest_of_compilation): Update for open_dump_file/close_dump_file.
8424 Convert all uses of dump_rtl.
8425 (decode_d_option): Iterate over dump_file to implement 'a' and to
8426 locate pass-specific dumps.
8428 2000-04-01 Neil Booth <NeilB@earthling.net>
8430 * cppexp.c: Redefine priority constants.
8431 (_cpp_parse_expr): Replace left and right priority scheme with
8432 single priority logic. Move LOGICAL to same place as COMPARE.
8433 Remove bogus check for multiple unary +/- operators.
8435 2000-04-01 Neil Booth <NeilB@earthling.net>
8437 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
8438 within the switch statement. Binary operations break out of
8439 the switch naturally. '(' tokens handled by forcing
8440 immediate shift. ')' handled by forcing immediate reduce to
8441 the previous '('. New error messages.
8443 2000-03-31 Geoff Keating <geoffk@cygnus.com>
8445 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
8446 part', it's already in use. Use %K instead. Add a return at the
8447 end of what is now %K.
8448 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
8450 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
8452 * builtins.c (expand_builtin_apply): Pass proper parameters to
8453 allocate_dynamic_stack_space.
8454 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
8455 update stack_pointer_delta; do not update arg_size_so_far.
8456 (compute_argument_block_size): Use stack_delta instead of
8457 stack_pointer_pending and arg_size_so_far.
8458 (expand_call): Add sanity checking for stack_pointer_delta;
8459 save and restore stack_pointer_delta for SIB, use
8460 stack_pointer_delta for alignment; do not update arg_space_so_far.
8461 (emit_library_call_value): Use stack_pointer_delta for alignment.
8462 (store_one_arg): Do not update arg_space_so_far.
8463 * explow.c (adjust_stack, anti_adjust_stack): Update
8464 stack_pointer_delta.
8465 (allocate_dynamic_stack_space): Add sanity checking for
8466 stack_pointer_delta.
8467 * expr.c (init_expr, clear_pending_stack_adjust): Clear
8468 stack_pointer_delta.
8469 (emit_push_insn): Update stack_pointer_delta.
8470 * function.h (struct expr_status): Add x_stack_pointer_delta;
8471 remove x_arg_space_so_far.
8472 (arg_space_so_far): Remove.
8473 (stack_pointer_delta): New macro.
8475 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
8477 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
8478 Reorder struct cpp_options and struct cpp_reader for better
8479 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
8480 takes two args. Change all 'char' flags to 'unsigned char'.
8481 Move show_column flag into struct cpp_options. Don't
8482 prototype cpp_options_init.
8483 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
8484 cppinit.c, cpplex.c, cpplib.c:
8485 Replace CPP_OPTIONS (pfile)->whatever with
8486 CPP_OPTION (pfile, whatever), and likewise for
8487 opts = CPP_OPTIONS (pfile); ... opts->whatever;
8489 * cppinit.c (merge_include_chains): Take a cpp_reader *.
8490 Extract CPP_OPTION (pfile, pending) and work with that
8492 (cpp_options_init): Delete.
8493 (cpp_reader_init): Turn on on-by-default options here.
8494 Allocate the pending structure here.
8495 (cl_options, enum opt_code): Define these from the same table,
8496 kept in a large macro. Add -fshow-column and -fno-show-column
8499 * cpperror.c (v_message): If show_column is off, don't print
8502 * cppmain.c: Update for new interface.
8503 * fix-header.c: Likewise.
8505 2000-03-30 Geoff Keating <geoffk@cygnus.com>
8507 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
8509 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
8510 are passed to any invocation of AR_FOR_TARGET.
8511 (AR_CREATE_FOR_TARGET): New macro.
8512 (AR_EXTRACT_FOR_TARGET): New macro.
8513 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
8514 AR_EXTRACT_FOR_TARGET.
8515 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
8516 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
8517 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
8518 AR_EXTRACT_FOR_TARGET to sub-makes.
8520 2000-03-31 Neil Booth <NeilB@earthling.net>
8522 * cppexp.c: Delete SKIP_OPERAND. Correct priority
8524 (_cpp_parse_expr): Check for multiple unary +/- operators.
8525 Correct priorities of ':' and '?'. Treat ')' as having a
8526 value. Ensure conditional expression is not void.
8528 2000-03-31 Mark Mitchell <mark@codesourcery.com>
8530 * alias.c (canon_rtx): Make it global.
8531 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
8533 * cse.c (struct table_elt): Add canon_exp.
8535 (invalidate): Canonicalize expressions only once.
8536 * rtl.h (canon_rtx): Declare.
8538 2000-03-30 Mark Mitchell <mark@codesourcery.com>
8540 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
8541 * alias.c (reg_known_value): Add comments.
8542 (init_alias_analysis): Likewise.
8543 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
8545 (cse_basic_block): Fix typo in comment.
8546 * emit-rtl.c: Include hashtab.h.
8547 (const_int_htab): New variable.
8548 (const_int_htab_hash): New function.
8549 (const_int_htab_eq): Likewise.
8550 (rtx_htab_mark_1): Likewise.
8551 (rtx_htab_mark): Likewise.
8552 (gen_rtx_CONST_INT): Cache all CONST_INTs.
8553 (unshare_all_rtx): Fix formatting.
8554 (init_emit_once): Initialize const_int_htab.
8555 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
8557 * rtl.texi: Document the fact that all CONST_INTs with the same
8560 2000-03-30 Richard Henderson <rth@cygnus.com>
8562 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
8564 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
8566 * configure.in: Comment out --enable-c-cpplib stanza.
8567 * configure: Regenerate.
8569 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8571 * expr.c (store_constructor): Properly compute displacement and
8572 alignment when offset is variable.
8574 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
8575 cases of alignment in bytes.
8577 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
8579 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
8580 since it is used to generate c-parse.y.
8581 * objc-parse.c, objc-parse.y: Regenerated.
8583 * function.c (expand_function_end): Pass alignment argument to
8584 emit_block_move in bits, not bytes.
8586 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8588 * expr.c (move_by_pieces_ninsns): Fix one more missing align
8591 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
8593 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
8594 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
8595 * function.c (assign_parms): Likewise.
8596 * integrate.c (expand_inline_function): Likewise.
8597 * stmt.c (expand_decl): Likewise.
8598 (copy_rtx_and_substitute): Likewise.
8599 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
8600 (clear_by_pieces): Fix error in last change.
8601 * emit-rtl.c (init_emit): Set known registers alignment in bits.
8602 * function.h (regno_pointer_align): Now unsigned.
8603 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
8605 * config/i386/i386.c (aligned_operand): Likewise.
8606 * config/sparc/sparc.c (mem_min_alignment): Likewise.
8607 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
8608 (unaligned_memory_operand): Likewise.
8609 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
8610 Also make alignments and sizes unsigned and some whitespace cleanup.
8611 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
8613 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
8614 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
8615 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
8616 (expand_builtin_memset): Likewise, but to clear_storage.
8617 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
8618 (restore_fixed_argument_area): Likewise.
8619 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
8620 (load_register_parameters): Likewise, to emit_group_load.
8621 (expand_call): Likewise, to emit_group_store and emit_block_move.
8622 (emit_library_call_value_1): Likewise, to emit_block_move.
8623 (store_one_arg): Likewise, and to emit_push_insn.
8624 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
8625 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
8626 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
8627 (emit_block_move, emit_group_load, emit_group_store): Likewise.
8628 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
8629 (expand_assigment, store_expr, store_constructor_field): Likewise.
8630 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
8631 (store_constructor, store_field, get_inner_reference): Likewise.
8632 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
8633 (expand_expr, case COMPONENT_REF): Likewise.
8634 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
8635 and positions; reindent code.
8636 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
8637 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
8638 (assign_parms): Likewise to emit_group_store.
8639 * optabs.c (prepare_cmp_insn): Alignment is in bits.
8640 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
8641 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
8642 (expand_return): Likewise to {extract,store}_bit_field.
8643 * stor-layout.c (get_mode_alignment): Minor cleanup.
8644 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
8645 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
8647 2000-03-29 Nick Clifton <nickc@cygnus.com>
8649 * config/arm/arm.h: Undo effects of previous delta:
8650 (ASM_SPEC): Do not define.
8651 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
8653 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
8656 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
8658 * cppinit.c (cpp_start_read): Call initialize_dependency_output
8659 only after reading in the primary source file.
8661 2000-03-29 Geoff Keating <geoffk@cygnus.com>
8663 * c-common.c (c_common_nodes_and_builtins): The first parameter to
8664 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
8665 or a reference to a va_list.
8666 * builtins.c (stabilize_va_list): Simplify now we don't have to
8667 work around C array address decay.
8668 * c-typeck.c (convert_for_assignment): Handle assignment to
8669 a reference parameter by taking the address of the RHS.
8670 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
8671 (va_copy): Likewise.
8672 (__va_copy): Likewise.
8673 * ginclude/varargs.h (va_start): Likewise.
8674 (__va_copy): Likewise.
8676 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
8678 * i386/djgpp.h: Remove extraneous "+".
8680 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
8682 * calls.c (expand_call): Fix typo in last change.
8684 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
8686 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
8689 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8691 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
8692 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
8693 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
8694 * tree.c (bit_position, byte_position): Likewise.
8695 * tree.h: Declare new functions.
8697 2000-03-29 Nick Clifton <nickc@cygnus.com>
8699 * config/arm/arm.c: Minor formatting changes/
8700 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
8702 (ASM_SPEC): Define if not already defined.
8704 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
8706 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
8709 2000-03-29 Jakub Jelinek <jakub@redhat.com>
8711 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
8712 value, don't output it as unsigned.
8714 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
8716 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
8718 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8720 * c-common.c (c_common_nodes_and_builtins): Don't special case
8721 cplus_mode when declaring builtin bzero/bcmp, always avoid
8722 prototype arguments.
8724 2000-03-29 Bruce Korb <bkorb@gnu.org>
8726 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
8729 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
8731 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
8732 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
8733 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
8734 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
8735 (save_fixed_argument_area, restore_fixed_argument_area):
8736 conditionize by #ifdef REG_PARM_STACK_SPACE only.
8737 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
8738 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
8739 (precompute_register_parameters): Avoid #ifdefs on
8740 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
8741 (stire_one_args): Likewise.
8742 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
8743 (emit_library_call_value_1): Likewise.
8744 (compute_argument_block_size): Align to STACK_BOUNDARY only for
8745 ACCUMULATE_OUTGOING_ARGS.
8746 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
8748 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
8749 (use_crosses_set_p): Likewise.
8750 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
8751 #define ACCUMULATE_OUTGOING_ARGS 1.
8752 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
8754 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
8756 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
8757 (TARGET_SWITCHES): Add push-args, no-push-args,
8758 accumulate-outgoing-args and no-accumulate-outgoing-args.
8759 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
8760 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
8761 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
8763 (emit_push_insn): Likewise.
8764 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
8765 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
8766 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
8767 (STACK_DYNAMIC_OFFSET): Define correctly for both
8768 ACCUMULATE_OUTGOING_ARGS and normal mode.
8769 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
8770 * tm.texi (PUSH_ARGS): Document.
8771 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
8773 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
8775 * flags.h (flag_optimize_sibling_calls): Declare.
8776 * calls.c (expand_call): Fail sibcall when
8777 !flag_optimize_sibling_calls
8778 * invoke.texi (flag_optimize_sibling_calls): Document.
8779 * toplev.c (flag_optimize_sibling_calls): New global variable.
8780 (f_options): Add flag_optimize_sibling_calls.
8781 (rest_of_compilation): Conditionize
8782 optimize_sibling_and_tail_recursive_calls by
8783 flag_optimize_sibling_calls.
8784 (main): Set flag_optimize_sibling_calls for -O2.
8785 * stmt.c (expand_return): Conditionize tail recursion by
8786 flag_optimize_sibling_calls.
8788 2000-03-29 Richard Henderson <rth@cygnus.com>
8790 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
8791 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
8793 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
8795 * except.c (add_eh_table_entry): Mark type_info's as referenced.
8797 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8799 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
8801 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
8802 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
8803 * config/rs6000/aix.h: then modified likewise.
8805 2000-03-28 Richard Henderson <rth@cygnus.com>
8807 * rtl.h: Redistribute enum reg_note documentation.
8808 Kill trailing whitespace.
8809 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
8810 Kill trailing whitespace.
8812 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
8814 * cppfiles.c (hash_IHASH): Just return i->hash.
8815 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
8816 htab_find_with_hash.
8817 (cpp_read_file): Likewise.
8818 (find_include_file): Likewise. Properly initialize
8819 ih->nshort. Share ih->name and ih->nshort if possible.
8820 * cpphash.c (_cpp_calc_hash): New function.
8821 (hash_HASHNODE): Just return h->hash.
8822 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
8823 htab_find_with_hash.
8824 * cpphash.h: Prototype _cpp_calc_hash.
8825 * cppinit.c (initialize_builtins): Provide a valid hash
8826 to _cpp_make_hashnode, using _cpp_calc_hash.
8828 * cpphash.c (collect_expansion): # is not a special character
8829 in object-like macros. In -traditional mode, /**/ is not
8830 token paste at the beginning or end of the line.
8831 * cpplib.c (do_include, do_import, do_include_next): If
8832 parse_include fails, return immediately.
8834 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
8836 * config/arm/arm.md (return peepholes): Update to reflect the new
8838 * config/arm/arm.c (arm_volatile_func): Also check
8839 current_function_nothrow.
8840 (output_return_instruction, output_func_prologue): Use it.
8841 (arm_output_epilogue, arm_expand_prologue): Likewise.
8843 2000-03-27 Tom Tromey <tromey@cygnus.com>
8845 * gcc.c (handle_braces): In {x*...} case, break out of loop if
8848 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8850 * expr.c (store_constructor): SIZE now signed.
8851 For EXPR_SIZE, don't evaluate size; just needed if constant.
8852 * fold-const.c (fold): Fix a number of cases when folded tree is
8854 * function.c (flush_addressof): Reenable.
8855 * tree.h (flush_addressof): Likewise.
8856 * toplev.c (independent_decode_option): Look at strings_processed.
8857 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
8859 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
8861 * sibcall.c (indentify_call_return_value): Find last call in the chain;
8862 Allow stack adjustment after function call.
8864 * regmove.c (struct csa_memlist): Make mem field rtx *.
8865 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
8866 (try_apply_stack_adjustment): Replace whole MEM rtx.
8867 (combine_stack_adjustments_for_block): Update calls
8868 to record_one_stack_ref.
8870 2000-03-28 Neil Booth <NeilB@earthling.net>
8872 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
8873 '\\' rather than a null character, so nulls are not special. Fix
8874 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
8875 speed trigraph conversion.
8876 (_cpp_init_input_buffer): Initialize trigraph map.
8878 2000-03-27 Alan Modra <alan@linuxcare.com.au>
8880 * config/i386/i386.c (output_387_binary_op): Correct intel
8881 mode assembly output, and add spaces after commas in AT&T
8882 output. Correct Unixware assembler comment. Document input
8883 constraints. Comment fp operations. Reduce profligate buffer
8884 size. Remove extraneous abort. Localize temp var.
8885 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
8886 (output_fix_trunc): Add spaces after commas in assembly output.
8888 2000-03-27 Richard Henderson <rth@cygnus.com>
8890 * i386-protos.h (ix86_match_ccmode): Declare.
8891 * i386.c (ix86_match_ccmode): New.
8892 (ix86_expand_fp_compare): Update for pattern renames.
8893 (ix86_expand_strlensi_unroll_1): Likewise.
8894 * i386.h (EXTRA_CC_MODES): Add CCZ.
8895 (SELECT_CC_MODE): Use it for EQ/NE zero.
8896 * i386.md (cmpsi_ccz_1): New.
8898 (*testsi_ccz_1): New.
8899 (testqi_ccz_1): New.
8900 (cmpsi_ccno_1): Rename from cmpsi_0.
8901 (testsi_ccno_1): Rename from testsi_1.
8902 (testqi_ccno_1): Rename from testqi_1.
8903 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
8904 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
8905 (*cmphi_0): Use ix86_match_ccmode.
8906 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
8907 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
8908 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
8909 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
8910 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
8911 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
8912 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
8913 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
8914 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
8915 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
8916 (appropriate peepholes): Likewise.
8917 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
8918 (*subsi_3, *subhi_3, *subqi_3): Remove.
8919 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
8920 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
8921 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
8922 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
8923 (x86_shift_adj_1): Use CCZ.
8924 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
8926 2000-03-27 Stan Cox <scox@cygnus.com>
8928 * resource.h (mark_resource_type): New.
8929 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
8930 find_free_register): Use mark_resource_type.
8931 (mark_set_resources): Change include_delayed_effects
8932 to mark_resource_type.
8933 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
8934 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
8935 Use mark_resource_type.
8937 2000-03-27 Richard Henderson <rth@cygnus.com>
8939 * i386.md (call_pop_0, call_value_pop_0): New.
8940 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
8941 (call_value_pop_1): Likewise.
8942 (call_0, call_value_0): New.
8943 (call_1, call_value_1): Remove constraint from unused arg.
8945 2000-03-27 Nick Clifton <nickc@cygnus.com>
8947 * invoke.texi (Spec Files): Document new spec % command created by
8948 Tom Tromey's recent patch.
8950 2000-03-27 Jakub Jelinek <jakub@redhat.com>
8952 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
8955 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8957 * expr.c (expand_assignment): Fix typo in last change.
8959 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
8961 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8963 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
8964 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
8965 and DECL_INLINE if FUNCTION_DECL.
8966 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
8967 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
8968 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
8969 (combine_parm_decls): Likewise.
8970 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
8971 * print-tree.c (print_node): Likewise.
8972 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
8973 DECL_TRANSPARENT_UNION on proper decl types.
8974 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
8975 * stor-layout.c (layout_decl): Only check DECL_PACKED and
8976 DECL_BIT_FIELD of FIELD_DECL.
8977 * tree.h (DECL_RESULT_FLD): New macro.
8979 * expr.c (expand_assignment): Add code to handle variable-sized
8982 2000-03-26 Richard Henderson <rth@cygnus.com>
8984 * calls.c (expand_call): Pass parms not original exp to
8985 optimize_tail_recursion. Mind return value instead of looking
8987 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
8988 call_expr. Move checks for call_expr and current_function_decl ...
8989 (expand_return): ... here.
8991 2000-03-26 Tom Tromey <tromey@cygnus.com>
8993 * gcc.c (handle_braces): Recognize `%{<S}' construct.
8994 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
8996 (process_command): Use them.
8997 (check_live_switch): Likewise.
8998 (give_switch): Skip ignored switches.
9000 2000-03-26 Jan Hubicka <jh@suse.cz>
9002 * jump.c (jump_optimize_1): Fix typo in elide optimizations
9003 for minimal jump pass test.
9005 2000-03-26 Mark Mitchell <mark@codesourcery.com>
9007 * integrate.c (function_cannot_inline_p): Do inline functions that
9010 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9012 * stor-layout.c (layout_type, set_sizetype): early_type_list is
9013 now a list of TREE_LIST entries, not types.
9014 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
9016 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
9017 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
9019 * config/mips/mips.c (function_arg): Likewise; also remove cast
9020 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
9021 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
9022 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
9023 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
9024 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
9025 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
9026 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
9027 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
9028 num_adjusts now unsigned.
9029 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
9030 * config/sparc/sparc.c (struct function_arg_record_value_parms):
9032 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
9033 as is BITPOS variable; use host_integerp and int_bit_position.
9034 (function_arg_record_value_2): Likewise.
9035 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
9036 Variable REGNO now unsigned.
9037 (function_arg_record_value): NREGS now unsigned.
9039 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
9041 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
9043 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9045 * Rework fields used to describe positions of bitfields and
9046 modify sizes to be unsigned and use HOST_WIDE_INT.
9047 * alias.c (reg_known_value_size): Now unsigned.
9048 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
9049 (really_start_incremental_init): Use bitsize_zero_node.
9050 (push_init_level, pop_init_level, output_init_element): Likewise.
9051 Use bitsize_unit_node and bitsize_one_node.
9052 (output_pending_init_elements, process_init_element): Likewise.
9053 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
9054 (make_extraction): Position and length HOST_WIDE_INT and unsigned
9055 HOST_WIDE_INT, respectively.
9056 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
9057 (num_sign_bit_copies): Returns unsigned.
9058 BITWIDTH now unsigned; rework arithmetic.
9059 Remove recursive call from arg to MAX.
9060 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
9061 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
9063 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
9064 (find_split_point, expand_compound_operation, make_extraction): LEN
9065 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
9066 (make_field_assignment): Likewise.
9067 (combine_simplify_rtx): Add cast.
9068 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
9069 (force_to_mode): WIDTH now unsigned; add cast.
9070 (if_then_else_cond): SIZE now unsigned.
9071 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
9072 (extended_count): Now returns unsigned.
9073 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
9074 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
9075 (simplify_comparison): MODE_WIDTH now unsigned.
9076 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
9077 (mark_used_regs_combine): Likewise; rework arithmetic.
9078 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
9079 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
9080 (record_promoted_value): REGNO now unsigned.
9081 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
9082 (get_last_value): REGNO now unsigned.
9083 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
9084 (reg_dead_regno, reg_dead_endregno): Now unsigned.
9085 (remove_death): Arg REGNO now unsigned.
9086 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
9087 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
9089 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
9090 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
9091 (struct cse_reg_info): REGNO now unsigned.
9092 (cached_regno): Now unsigned.
9093 (REGNO_QTY_VALID_P): Add cast.
9094 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
9095 (remove_invalid_regs): Likewise.
9096 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
9097 as are variables END and I.
9098 (get_cse_reg_info, insert): Likewise.
9099 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
9100 (canon_hash): Likewise.
9101 (insert_regs, lookup_for_remove): REGNO now unsigned.
9102 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
9104 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
9105 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
9106 * emit-rtl.c (subreg_realpart_p): Add cast.
9107 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
9108 (operand_subword_force): Arg I is now unsigned.
9109 * except.c (eh_regs): Variable I is now unsigned.
9110 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
9111 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
9112 length is unsigned HOST_WIDE_INT; likewise for internal variables.
9113 (store_split_bit_field, extract_fixed_bit_field): Likewise.
9114 (extract_split_bit_field, store_bit_field, extract_bit_field):
9116 * expr.c (store_constructor_fields, store_constructor, store_field):
9117 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
9118 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
9119 (do_jump): Likewise.
9120 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
9121 MAX_SIZE is now unsigned.
9122 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
9123 (emit_group_store): Likewise.
9124 (emit_move_insn): I now unsigned.
9125 (store_constructor): Use host_integerp, tree_low_cst, and
9127 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
9128 Rework all calculations to use trees and new fields.
9129 * expr.h (promoted_input_arg): Regno now unsigned.
9130 (store_bit_field, extract_bit_field): Adjust types of pos and size.
9131 (mark_seen_cases): Arg is HOST_WIDE_INT.
9132 * flow.c (verify_wide_reg_1): REGNO now unsigned.
9133 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
9134 precisions and alignments are unsigned.
9135 (optimize_bit_field_compare, fold_truthop): Likewise.
9136 (int_const_binop): Adjust threshold for size_int_type_wide call.
9137 (fold_convert): Likewise.
9138 (size_int_type_wide): Make table larger and fix thinko that only
9139 had half of table used.
9140 (all_ones_mask_p, fold): Precisions are unsigned.
9141 * function.c (put_reg_info_stack): REGNO is unsigned.
9142 (instantiate_decl): Size is HOST_WIDE_INT.
9143 (instantiate_virtual_regs): I is unsigned.
9144 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
9145 (promoted_input_arg): REGNO is unsigned.
9146 * function.h (struct function): x_max_parm_reg is now unsigned.
9147 * gcse.c (max_gcse_regno): Now unsigned.
9148 (struct null_pointer_info): min_reg and max_reg now unsigned.
9149 (lookup_set, next_set): REGNO arg now unsigned.
9150 (compute_hash_table): REGNO and I now unsigned.
9151 (handle_avail_expr): regnum_for_replacing now unsigned.
9152 (cprop_insn): REGNO now unsigned.
9153 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
9154 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
9155 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
9156 * hard-reg-set.h (reg_class_size): Now unsigned.
9157 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
9158 * jump.c (mark_modified_reg): I now unsigned; add cast.
9159 (rtx_equal_for_thread_p): Add cast.
9160 * loop.c (max_reg_before_loop): Now unsigned.
9161 (struct_movable): REGNO now unsigned.
9162 (try_copy_prop): REGNO arg unsigned.
9163 (regs_match_p): XN and YN now unsigned.
9164 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
9165 (strength_reduce): Likewise; NREGS also unsigned.
9166 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
9167 * loop.h (struct iv_class): REGNO now unsigned.
9168 (max_reg_before_loop, first_increment_giv, last_increment_giv):
9170 * machmode.h (mode_size, mode_unit_size): Now unsigned.
9171 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
9172 * optabs.c (expand_binop): I and NWORDS now unsigned.
9173 (expand_unop): I now unsigned.
9174 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
9175 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
9176 * real.c (significand_size): Now returns unsigned.
9177 * real.h (significand_size): Likewise.
9178 * regclass.c (reg_class_size): Now unsigned.
9179 (choose_hard_reg_mode): Both operands now unsigned.
9180 (record_reg_classes): REGNO and NR now unsigned.
9181 (reg_scan): NREGS now unsigned.
9182 (reg_scan_update): old_max_regno now unsigned.
9183 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
9184 * reload.c (find_valid_class): BEST_SIZE now unsigned.
9185 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
9186 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
9187 Likewise for variable R.
9188 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
9189 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
9190 (find_equiv_reg): Add casts.
9191 (regno_clobbered_p): Arg REGNO now unsigned.
9192 * reload.h (struct reload): NREGS now unsigned.
9193 (refers_to_regno_for_reload_p): Regno args are unsigned.
9194 (regno_clobbered_p): Likewise.
9195 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
9196 (compute_use_by_pseudos): REGNO now unsigned.
9197 (find_reg): I and J now unsigned, new variable K, and change loop
9198 variables accordingly; THIS_NREGS now unsigned.
9199 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
9200 (spill_hard_reg): REGNO arg now unsigned; add casts.
9201 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
9202 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
9203 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
9204 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
9205 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
9206 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
9207 (emit_reload_insns): REGNO now unsigned.
9208 (reload_cse_move2add): Add cast.
9209 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
9211 * resource.c (mark_referenced_resources, mark_set_resources): New
9212 variable R; REGNO and LAST_REGNO now unsigned.
9213 (mark_target_live_regs): J and REGNO now unsigned.
9214 * rtl.c (mode_size, mode_unit_size): Now unsigned.
9215 * rtl.h (union rtunion_def): New field rtuint.
9216 (XCUINT): New macro.
9217 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
9218 (operand_subword, operand_subword_force): Word number is unsigned.
9219 (choose_hard_reg_mode): Operands are unsigned.
9220 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
9221 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
9222 (regno_use_in, combine_instructions, remove_death): Likewise.
9223 (reg_scan, reg_scan_update): Likewise.
9224 (extended_count): Return is unsigned.
9225 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
9226 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
9227 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
9228 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
9229 (reg_reg_last_1): FIRS and LAST now unsigned.
9230 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
9231 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
9233 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
9234 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
9235 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
9236 (replace_regs): Arg NREGS now unsigned.
9237 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
9238 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
9239 (simplify_binary_operation): Likewise.
9240 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
9241 THIS_LAST now unsigned.
9242 (cselib_record_set): Add cast.
9243 * ssa.c (ssa_max_reg_num): Now unsigned.
9244 (rename_block): REGNO now unsigned.
9245 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
9247 (all_cases_count): Just return -1 not -2.
9248 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
9249 Rework tests to use trees whenever possible.
9250 Use host_integerp and tree_low_cst.
9251 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
9252 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
9253 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
9254 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
9255 (smallest_mode_for_size): Likewise.
9256 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
9257 KNOWN_ALIGN is now an alignment, so simplify code.
9258 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
9259 (start_record_layout): Renamed from new_record_layout_info.
9260 Update to new fields.
9261 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
9263 (place_union_field): Renamed from layout_union_field.
9264 Update to use new fields in rli.
9265 (place_field): Renamed from layout_field.
9266 Major rewrite to use new fields in rli; pass alignment to layout_decl.
9267 (finalize_record_size): Rework to use new fields in rli and handle
9269 (compute_record_mode): Rework to simplify and to use new DECL fields.
9270 (finalize_type_size): Make rounding more consistent.
9271 (finish_union_layout): Deleted.
9272 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
9273 (layout_type, case RECORD_TYPE): Call new function names.
9274 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
9275 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
9276 (get_best_mode): UNIT is now unsigned; remove casts.
9277 * tree.c (bit_position): Compute from new fields.
9278 (byte_position, int_byte_position): New functions.
9279 (print_type_hash_statistics): Cast to remove warning.
9280 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
9281 (build_index_type): Likewise; make subtype of sizetype.
9282 (build_index_2_type): Pass sizetype to build_range_type.
9283 (build_common_tree_nodes): Use size_int and bitsize_int to
9284 initialize nodes; add bitsize_{zero,one,unit}_node.
9285 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
9286 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
9287 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
9288 (DECL_FIELD_BITPOS): Deleted.
9289 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
9290 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
9291 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
9292 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
9293 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
9294 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
9295 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
9296 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
9297 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
9298 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
9299 (DECL_ALIGN): Adjust to new field in union.
9300 (DECL_OFFSET_ALIGN): New field.
9301 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
9302 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
9303 (union tree_decl): Add struct for both aligns.
9304 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
9305 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
9306 (struct record_layout_info): Rework fields to have offset
9307 alignment and byte and bit position.
9308 (start_record_layout, place_field): Renamed from old names.
9309 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
9310 (byte_position, int_byte_position): Likewise.
9311 (get_inner_reference): Change types of position and length.
9312 * unroll.c (unroll_loop): New variable R; use for some loops.
9313 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
9314 (calculate_giv_inc): Arg REGNO now unsigned.
9315 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
9316 * varasm.c (assemble_variable): Clean up handling of size using
9317 host_integerp and tree_low_cst.
9318 (decode_addr_const): Use byte, not bit, position.
9319 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
9320 use tree_low_cst and int_bit_position.
9321 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
9323 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
9325 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
9326 (reorder_block_def): New members eff_head and eff_end.
9327 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
9328 (verify_insn_chain): New function.
9329 (skip_insns_between_block): Add code to skip deleted insns.
9330 Check for note before using.
9331 (chain_reorder_blocks): Replace calls to skip_insns_between_block
9332 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
9333 Check for note before using.
9334 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
9335 (fixup_reorder_chain): Restructure, clean up, defect removal.
9336 (reorder_basic_blocks): Remove last_insn and references to it.
9337 Moved insn chain verification code into a new function (see above).
9338 Delete defective code that sets last insn.
9339 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
9342 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9344 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
9346 2000-03-24 Richard Henderson <rth@cygnus.com>
9348 * tree.c (lang_safe_for_unsave): Remove.
9349 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
9350 allowing for two levels of unsafeness. Remove lang hook.
9351 * tree.h: Update declarations.
9352 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
9353 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
9354 Always fail sibcalls when there are pending cleanups.
9356 2000-03-24 Geoff Keating <geoffk@cygnus.com>
9358 * flow.c (propagate_block): When we delete an ADDR_VEC,
9359 also delete the BARRIER following it if there is one.
9361 2000-03-24 Richard Henderson <rth@cygnus.com>
9363 * builtins.c (expand_builtin_bzero): Convert `length' argument
9366 2000-03-24 Jakub Jelinek <jakub@redhat.com>
9368 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
9369 comparison if regno's are equal.
9370 * calls.c (initialize_argument_informat): Add ecf_flags argument.
9371 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
9372 (expand_call): Update caller.
9373 Avoid making a sibling call if argument size of the callee is larger
9374 than argument size of the caller.
9375 Call hard_function_value with outgoing set if in sibcall pass.
9376 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
9378 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
9379 Change LEAF_REGISTERS from an array initializer to actual array
9380 identifier. Move static global variable into the function.
9381 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
9382 sequences for leaf functions.
9383 * global.c (global_alloc): Likewise.
9384 * tm.texi (LEAF_REGISTERS): Update documentation.
9386 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
9387 TARGET_FLAT leaf disabling hack.
9388 (LEAF_REGISTERS): Changed from an array initializer to actual array
9389 identifier to avoid duplication and remove the above hack.
9390 (FUNCTION_OK_FOR_SIBCALL): Define.
9391 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
9392 always like call attribute.
9393 (eligible_for_sibcall_delay): New attribute.
9394 (sibcall): New delay type.
9395 (sibcall, sibcall_value, sibcall_epilogue): New expands.
9396 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
9397 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
9398 * config/sparc/sparc.c (sparc_leaf_regs): New array.
9399 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
9401 (output_function_epilogue): Move part of the code into
9402 output_restore_regs.
9403 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
9405 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
9408 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
9409 until infrastructure is finished.
9411 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
9413 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
9414 (save_parm_insns): Not here.
9416 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9418 * builtins.c (expand_builtin_bzero): New function.
9419 (expand_builtin): Handle bzero.
9421 * builtins.def: Add BUILT_IN_BZERO.
9423 * c-common.c (c_common_nodes_and_builtins): Provide builtin
9424 prototype & function for bzero.
9426 2000-03-23 Michael Meissner <meissner@redhat.com>
9428 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
9429 change adding TARGET_FP to the TF floating point insns, except for
9430 trunctfsf2, which generates direct calls to truncdfsf2.
9432 2000-03-23 Geoff Keating <geoffk@cygnus.com>
9434 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
9435 try to protect against middle-end changes that break binary
9437 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
9439 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9441 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
9443 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9445 * calls.c (expand_call): If TARGET is passed by reference and
9446 is readonly, write a CLOBBER.
9448 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9450 * builtins.c (expand_builtin): Handle bcmp.
9452 * builtins.def: Add BUILT_IN_BCMP.
9454 * c-common.c (c_common_nodes_and_builtins): Provide builtin
9455 prototype & function for bcmp.
9457 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
9459 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
9460 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
9461 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
9463 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
9465 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
9466 alternative when using -fp64 -gp32.
9468 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
9470 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
9471 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
9472 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
9474 * frame.h (frame_state): Revert last change.
9475 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
9476 * libgcc2.c (throw_helper): Revert last change.
9478 2000-03-22 Richard Henderson <rth@cygnus.com>
9480 * stmt.c (expand_asm_operands): Don't promote the temporary.
9482 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
9484 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
9485 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
9486 c_get_alias_set): Likewise.
9487 * c-decl.c (duplicate_decls): Likewise.
9488 * c-typeck.c (default_conversion,build_unary_op): Likewise.
9489 * calls.c (initialize_argument_information): Likewise.
9490 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
9492 * dwarfout.c (decl_class_context,output_type): Likewise.
9493 * expr.c (get_inner_reference): Likewise.
9494 * fold-const.c (simple_operand_p,fold): Likewise.
9495 * function.c (aggregate_value_p): Likewise.
9496 * stmt.c (expand_asm_operands): Likewise.
9497 * varasm.c (named_section): Likewise.
9499 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
9501 Implement dwarf2 exception handling for the ARM.
9502 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
9503 (DWARF_FRAME_RETURN_COLUMN): Define.
9504 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
9505 REG_FRAME_RELATED_EXPR note.
9506 (emit_sfm): Likewise.
9507 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
9508 * dwarf2out.c (reg_save): Handle saving a register to itself.
9509 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
9510 * except.c (eh_regs): Don't use the static chain reg if it's
9512 * frame.h (frame_state): Add cfa_saved field.
9513 * frame.c (execute_cfa_insn): Set it.
9514 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
9516 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
9518 (instantiate_virtual_regs): Adjust.
9520 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
9521 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
9522 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
9524 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
9525 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
9527 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9529 * builtins.def: New file.
9531 * Makefile.in (TREE_H): Depend on builtins.def.
9533 * builtins.c (built_in_names): Use builtins.def.
9535 * tree.h (built_in_function): Likewise.
9537 2000-03-22 Mark Mitchell <mark@codesourcery.com>
9539 * tree.c (size_in_bytes): Return size_zero_node, not
9542 2000-03-22 Geoff Keating <geoffk@cygnus.com>
9544 * config/fp-bit.c (pack_d): Correct the case when a denormal
9545 is rounded up and stops being denormal.
9547 2000-03-21 Richard Henderson <rth@cygnus.com>
9549 * config/alpha/alpha.c (function_arg): Check for void_type_node
9550 before using MUST_PASS_IN_STACK.
9552 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
9554 * regmove.c (combine_stack_adjustments_for_block): Check that
9555 the stack pointer is a valid memory address.
9557 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
9559 * calls.c: re-install Mar 16 emit_library_call merge.
9561 2000-03-21 Jakub Jelinek <jakub@redhat.com>
9563 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
9564 we cannot be sure that if reload_completed base register will
9565 be properly aligned.
9567 2000-03-21 Richard Henderson <rth@cygnus.com>
9569 * flow.c (delete_block): Fix typo last change.
9571 2000-03-21 Mark Mitchell <mark@codesourcery.com>
9573 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
9574 not COMPLETE_TYPE_P, to check the type of the expression.
9576 2000-03-21 Michael Meissner <meissner@redhat.com>
9578 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
9579 all floating point insns that just tested the macro
9580 TARGET_HAS_XFLOATING_LIBS.
9581 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
9582 used to only use the gprs.
9584 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
9586 * tree.h (COMPLETE_TYPE_P): New macro.
9587 (COMPLETE_OR_VOID_TYPE_P): New macro.
9588 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
9589 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
9590 * c-aux-info.c (gen_type): Use them.
9591 * c-common.c (c_expand_expr_stmt): Likewise.
9592 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
9593 grokdeclarator, grokparms, finish_struct, start_function,
9594 store_parm_decls, combine_parm_decls): Likewise.
9595 * c-parse.y (cast_expr): Likewise.
9596 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
9597 c_size_in_bytes, c_alignof, build_component_ref,
9598 build_indirect_ref, build_array_ref, convert_arguments,
9599 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
9600 * calls.c (initialize_argument_information): Likewise.
9601 * convert.c (convert_to_integer): Likewise.
9602 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
9603 * dwarfout.c (location_or_const_value_attribute,
9604 output_enumeration_type_die, output_structure_type_die,
9605 output_union_type_die, output_type): Likewise.
9606 * expr.c (safe_from_p, expand_expr): Likewise.
9607 * function.c (assign_parms): Likewise.
9608 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
9609 * tree.c (build_array_type, build_function_type,
9610 build_method_type, build_offset_type, build_complex_type): Likewise.
9611 * c-parse.c, c-parse.h: Regenerated.
9613 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9615 * config/c4x/rtems.h: Include config/rtems.h.
9617 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
9619 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
9620 decl is a FUNCTION_DECL
9622 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
9624 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
9625 function uses output registers. Don't save RP for leaf functions.
9626 Do save RP even if no epilogue.
9627 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
9628 (CALL_USED_REGISTERS): Unmark in registers.
9629 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
9632 2000-03-20 Geoff Keating <geoffk@cygnus.com>
9634 * config/rs6000/rs6000.md (bunordered): New expander.
9635 (bordered): New expander.
9636 (buneq): New expander.
9637 (bunge): New expander.
9638 (bungt): New expander.
9639 (bunle): New expander.
9640 (bunlt): New expander.
9641 (bltgt): New expander.
9643 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
9644 (ccr_bit_negated_p): New function.
9645 (print_operand): For %C, generate appropriate cror for UNEQ,
9646 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
9648 2000-03-20 Andreas Jaeger <aj@suse.de>
9650 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
9653 * tree.h (safe_for_unsave): Prototype.
9655 2000-03-20 Richard Henderson <rth@cygnus.com>
9657 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
9658 (combine_stack_adjustments_for_block): Don't allow sp references
9659 in the side of a set we're not fixing up.
9660 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
9661 after life_analysis.
9663 2000-03-20 Richard Henderson <rth@cygnus.com>
9665 * calls.c (expand_call): Don't bother generating tail call
9666 sequences if there are pending cleanups. Use
9667 expand_start_target_temps/expand_end_target_temps to elide
9668 cleanups created during sibcall expansion.
9670 2000-03-20 Geoff Keating <geoffk@cygnus.com>
9672 * configure.in: Set $IFS to a value if it doesn't already have one
9673 in the --enable-checking handling.
9674 * configure: Regenerate.
9676 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9678 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
9679 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
9682 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
9684 * jump.c (delete_noop_moves): Remove code attempting to
9685 combine stack adjustments.
9687 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9689 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
9690 * except.c (emit_cleanup_handler): Use them.
9691 (expand_end_all_catch): Likewise.
9692 * function.c (fixup_var_refs): Likewise.
9693 (expand_function_end): Clear catch_clauses_last.
9694 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
9695 * except.h (struct eh_status): New field x_catch_clauses_last.
9696 (catch_clauses_last): New define.
9698 * Makefile.in (tree.o): Depend on HASHTAB_H.
9699 * tree.c: Include hashtab.h.
9700 (struct type_hash): Remove next field.
9701 (TYPE_HASH_SIZE): Remove.
9702 (TYPE_HASH_INITIAL_SIZE): New define.
9703 (type_hash_table): Change type to htab_t.
9704 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
9705 mark_hash_entry): New functions.
9706 (init_obstacks): Allocate type hash.
9707 (type_hash_lookup): Use htab functions.
9708 (type_hash_add, mark_type_hash): Likewise.
9709 (dump_tree_statistics): Call print_type_hash_statistics.
9711 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9713 * rs6000/t-aix41: New file.
9715 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
9717 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
9719 * tm.texi (Driver): Fix typos and tweak entry for
9721 Move misplaced STRUCT_FORCE_BLK entry ...
9722 (Storage Layout): ... to here.
9723 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
9725 2000-03-19 Richard Henderson <rth@cygnus.com>
9727 * flow.c (delete_block): Delete the addr_vec along with the block.
9728 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
9731 * fold-const.c (extract_muldiv): Apply type check for defined
9732 overflow to multiply as well as divide.
9734 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
9736 2000-03-18 Mark Mitchell <mark@codesourcery.com>
9738 * emit-rtl.c (remove_unncessary_notes): Check that all
9739 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
9740 associated NOTE_BLOCK.
9741 * function.h (identify_blocks): Update comments.
9742 (reorder_blocks): Declare.
9743 * function.c (identify_blocks): Don't take paramters.
9744 (reorder_blocks): Don't take parameters.
9745 * loop.h (find_loop_tree_blocks): Remove.
9746 (unroll_block_trees): Likewise.
9747 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
9748 reorder_blocks instead of unroll_block_trees.h
9749 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
9750 * stmt.c (find_loop_tree_blocks): Remove.
9751 (unroll_block_trees): Likewise.
9752 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
9753 in whole-function mode.
9754 * tree.h (reorder_blocks): Remove declaration.
9756 * expr.c: Include intl.h.
9757 * Makefile.in (expr.o): Depend on intl.h.
9759 2000-03-18 Richard Henderson <rth@cygnus.com>
9761 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
9763 2000-03-18 Mark Mitchell <mark@codesourcery.com>
9765 * tree.h (tree_index): Remove enumerals for integer types.
9766 (integer_type_kind): New type.
9767 (integer_types): New variable.
9768 (char_type_node): Adjust.
9769 (signed_char_type_node): Likewise.
9770 (unsigned_char_type_node): Likewise.
9771 (short_integer_type_node): Likewise.
9772 (short_unsigned_type_node): Likewise.
9773 (integer_type_node): Likewise.
9774 (unsigned_type_node): Likewise.
9775 (long_integer_type_node): Likewise.
9776 (long_unsigned_type_node): Likewise.
9777 (long_long_integer_type_node): Likewise.
9778 (long_long_unsigned_type_node): Likewise.
9779 * tree.c (integer_types): New variable.
9780 (init_obstacks): Register it as a root.
9782 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
9784 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
9785 NEXT_INSN. Update last insn in chain.
9787 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
9789 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
9790 with TYPE_DECL_SUPPRESS_DEBUG set.
9792 2000-03-18 Richard Henderson <rth@cygnus.com>
9794 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
9796 2000-03-18 Richard Henderson <rth@cygnus.com>
9798 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
9799 care for HALF_PIC_P.
9800 (expander_call_insn_operand): Remove.
9801 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
9802 * i386.h (PREDICATE_CODES): Update.
9803 * i386.md (all call expanders): Remove predicates, remove special
9804 handling for half-pic.
9805 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
9806 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
9807 (sibcall_epilogue): New.
9809 2000-03-17 Richard Henderson <rth@cygnus.com>
9811 * rtlanal.c (single_set): Reject if the parallel has anything
9812 except SET or USE or CLOBBER.
9814 2000-03-17 Jeff Law <law@cygnus.com>
9815 Richard Henderson <rth@cygnus.com>
9817 * Makefile.in (OBJS): Add sibcall.o.
9819 * sibcall.c: New file.
9820 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
9821 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
9822 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
9823 Emit sibcall patterns when requested. Update all callers.
9824 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
9825 elimination seems feasable.
9826 * final.c (leaf_function_p): Sibling calls don't discount being
9828 * flow.c (HAVE_sibcall_epilogue): Provide default.
9829 (find_basic_blocks_1): Sibling calls don't throw.
9830 (make_edges): Make edge from sibling call to EXIT.
9831 (propagate_block): Don't remove sibcall_epilogue insns.
9832 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
9833 (sibcall_epilogue): New.
9834 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
9835 (identify_blocks_1): Likewise. Break out from ...
9836 (identify_blocks): ... here.
9837 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
9838 (reorder_blocks): ... here.
9839 (init_function_for_compilation): Zap prologue/epilogue as varrays.
9840 (record_insns): Extend a varray instead of mallocing new memory.
9841 (contains): Read a varray not array of ints.
9842 (sibcall_epilogue_contains): New.
9843 (thread_prologue_and_epilogue_insns): Emit and record
9844 sibcall_epilogue patterns.
9845 (init_function_once): Allocate prologue/epilogue varrays.
9846 * genflags.c (gen_insn): Treat sibcall patterns as calls.
9847 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
9849 (save_for_inline_nocopy): ... here.
9850 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
9852 (expand_inline_function): ... here.
9853 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
9854 (subst_constants): Handle 'n' formats.
9855 * jump.c (jump_optimize_minimal): New.
9856 (jump_optimize_1): New arg `minimal'; update callers. Elide most
9857 optimizations if it's set.
9858 * rtl.c (copy_rtx): Do copy jump & call for insns.
9859 * rtl.h (struct rtx_def): Document use of jump and call for insns.
9860 (SIBLING_CALL_P): New.
9861 (sibcall_use_t): New.
9862 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
9863 Invoke optimize_sibling_and_tail_recursive_calls.
9864 * tree.c (lang_safe_for_unsave): New.
9865 (safe_for_unsave): New.
9866 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
9868 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
9869 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
9870 (*sibcall_osf_1, *sibcall_value_osf_1): New.
9872 2000-03-17 Mark Mitchell <mark@codesourcery.com>
9874 * objc/objc-act.c (encode_method_prototype): Pass types, not
9875 PARM_DECLs, to int_size_in_bytes.
9877 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
9879 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
9881 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
9882 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
9884 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9886 * Clean up usages of TREE_INT_CST_LOW.
9887 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
9888 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
9890 * c-tree.h (min_precision): Move declaration to here.
9891 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
9892 (build_unary_op, add_pending_init): Use bit_position.
9893 (pending_init_member, process_init_element): Likewise.
9894 (really_start_incremental_init, push_init_level, pop_init_level):
9895 Don't make copies of nodes or modify them in place, use consistent
9896 types when tracking positions, and use tree routines computations.
9897 (set_init_index, output_init_element): Likewise.
9898 (output_pending_init_elements, process_init_element): Likewise.
9899 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
9900 tree_low_cst and int_bit_position; also minor cleanup.
9901 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
9902 (print_cst_octal): Precision is unsigned.
9903 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
9904 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
9905 (simple_type_align_in_bits): Result is unsigned int.
9906 Use tree_int_low_cst and host_integerp.
9907 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
9908 (field_byte_offset): Result is HOST_WIDE_INT.
9909 Change types of internal variables so alignments are unsigned int,
9910 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
9911 Use host_integerp, tree_low_cst, and int_bit_position.
9912 (add_bit_offset_attribute): Likewise.
9913 (add_data_member_location_attribute): Use tree_cst_low.
9914 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
9915 (add_bit_size_attribute): Use tree_low_cst.
9916 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
9917 * dwarfout.c: Similar changes to dwarf2out.c.
9918 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
9919 * genoutput.c (n_occurences): Return -1 for null string.
9920 (strip_whitespace): Accept null string and make into function.
9921 (scan_operands): Reflect above changes.
9922 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
9923 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
9924 * ssa.c (rename_registers): Add missing cast of arg to bzero.
9925 * tree.c (int_size_in_bytes): Check for too big to represent.
9926 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
9927 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
9929 (min_precision): Delete from here.
9930 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
9931 and int_bit_position.
9932 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
9933 (encode_method_def): Likewise.
9934 (build_ivar_list_initializer): Use int_bit_position.
9935 (generate_shared_structures): Convert size.
9936 (encode_type, encode_complete_bitfield): Use integer_zerop.
9937 (encode_bitfield): Use tree_low_cst and int_bit_position.
9939 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9941 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
9943 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9945 * call.c (special_function_p): It is only malloc if it returns
9948 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9950 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
9951 (C33_FLAG, TARGET_C3X): Add macros.
9952 (TARGET_SWITCHES): Add -m33 option.
9953 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
9955 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9957 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
9958 (PARALLEL_PACK_FLAG): Delete.
9959 (TARGET_SWITCHES): Update.
9960 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
9962 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9964 * fold-const.c (fold): Fix a few cases when the returned result
9965 is not of the same type as the input.
9967 2000-03-16 Nick Clifton <nickc@cygnus.com>
9969 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
9972 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9974 * libgcc2.h: Move prototypes above macros with the same name.
9975 Wrap some function prototypes in the conditional which indicates
9976 whether they are supported, i.e. "BITS_PER_UNIT == 8".
9978 2000-03-16 Richard Henderson <rth@cygnus.com>
9980 * calls.c: Revert last two changes.
9982 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
9984 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
9985 has exponent 0 is a zero.
9987 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
9988 HASH may already be nonzero. Add code/mode into hash value
9989 immediately after repeat label.
9990 (cselib_lookup): Don't leave the hash table in an inconsistent
9991 state before a hash lookup operation.
9993 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
9995 * i386.md (all HI and QI mode non-move patterns): Conditionize
9996 by TARGET_[HQ]IMODE_MATH.
9997 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
9998 x86_promote_qi_regs): Declare.
9999 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
10000 TARGET_PROMOTE_QI_REGS): New macros.
10001 (PROMOTE_MODE): New macro.
10002 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
10003 x86_promote_qi_regs): New global variables.
10005 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
10007 * calls.c (emit_library_call_value_1): Break out from ...; handle
10008 VOIDmode function calls too.
10009 (emit_library_call_value): ... here.
10010 (emit_library_call): Implement by calling emit_library_call_value_1.
10012 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
10014 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
10015 Update arg_space_so_far on stack adjustments.
10016 (emit_library_call, emit_library_call_value): Likewise; take into
10017 account arg_space_so_far and pending_stack_adjust when calculcating
10020 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
10022 * flow.c: Move all basic block reordering code into its own file.
10023 (create_basic_block): Externalize.
10024 * bb-reorder.c: New file. Copy all basic block reordering code from
10025 flow.c to this file.
10026 (reorder_basic_blocks): Fix fencepost error in for-loop.
10027 (reorder_basic_blocks): Remove braces from single statement for-loops.
10028 * basic-block.h: Add declaration for create_basic_block.
10029 * Makefile.in: Add rules for bb-reorder.o.
10031 2000-03-16 Neil Booth <NeilB@earthling.net>
10033 * cppinit.c (handle_option): Implement #unassert directive
10034 as -A- command line option.
10035 (print_help): Update.
10036 * cpptexi.c: Update.
10038 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
10040 * md.texi (Standard Names): Document `jump'.
10042 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
10044 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
10047 2000-03-15 Geoff Keating <geoffk@cygnus.com>
10049 Merge changes from newppc-branch onto trunk.
10051 2000-03-15 Geoff Keating <geoffk@cygnus.com>
10053 * rs6000.c (toc_hash_table): Update for new hash table functions.
10054 (toc_hash_function): Likewise.
10055 (toc_hash_eq): Likewise.
10056 (toc_hash_mark_entry): Likewise.
10057 (toc_hash_mark_table): Likewise.
10058 (output_toc): Likewise.
10059 (rs6000_add_gc_roots): Likewise.
10061 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10063 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
10064 (AR_FLAGS_FOR_TARGET): here. New macro.
10066 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
10068 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
10069 fpmem_operand) Delete.
10071 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
10072 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
10073 (rs6000_save_machine_status, rs6000_restore_machine_status,
10074 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
10075 references to above variables.
10076 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
10077 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
10078 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
10079 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
10080 (XER_REGNO_P, XER_REGNO): New.
10081 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
10082 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
10083 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
10085 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
10086 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
10087 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
10089 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10091 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
10092 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
10093 * rs6000.h: from here.
10095 * rs6000-protos.h (rs6000_select_section): Provide prototype.
10096 (rs6000_select_rtx_section): Likewise.
10097 (rs6000_encode_section_info): Likewise.
10098 (sdata_section): Likewise.
10099 (sdata2_section): Likewise.
10100 (sbss_section): Likewise.
10101 * sysv4.h (rs6000_select_section): Delete prototype.
10102 (rs6000_select_rtx_section): Likewise.
10103 (rs6000_encode_section_info): Likewise.
10104 (sdata_section): Likewise.
10105 (sdata2_section): Likewise.
10106 (sbss_section): Likewise.
10107 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
10109 * sysv4.h: Delete various unnecessary #undef's and put a comment
10110 on the remaining ones.
10111 Change various comments according to coding standard.
10113 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
10115 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
10116 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
10117 (CR0_REGNO_P) Remove.
10118 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
10119 setup_incoming_varargs, mtcrf_operation, print_operand,
10120 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
10121 Use the above macros.
10123 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
10125 * config/rs6000/rs6000.md: Added a new alternative for each
10126 pattern that had a 'x' alternative but no 'y' alternative.
10127 Added a new split for each of the above patterns.
10129 2000-02-18 Geoff Keating <geoffk@cygnus.com>
10131 * aix41.h (ASM_CPU_SPEC): Delete.
10132 (CPP_CPU_SPEC): Delete.
10134 * aix.h (RS6000_OUTPUT_BASENAME): Define.
10135 (ASM_OUTPUT_LABEL): Define.
10136 (ASM_GLOBALIZE_LABEL): Define.
10137 (STRIP_NAME_ENCODING): Define.
10138 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
10139 (STRIP_NAME_ENCODING): Don't define.
10140 (ASM_OUTPUT_LABEL): Don't define.
10141 (ASM_GLOBALIZE_LABEL): Don't define.
10142 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
10143 names, and ASM_OUTPUT_LABEL to output labels, rather than
10145 (ASM_OUTPUT_LABEL): Define.
10146 (ASM_OUTPUT_INT): Use assemble_name.
10147 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
10148 (STRIP_NAME_ENCODING): Don't undefine first.
10149 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
10151 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
10152 specified with 'asm' even with -fleading-underscore.
10153 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
10154 (output_epilog): Likewise.
10155 (output_toc): Likewise.
10156 * tramp.asm: Handle -fleading-underscore correctly.
10158 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
10160 (nonlocal_goto_receiver): Delete.
10161 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
10163 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
10164 (SET_ASM_OP): Define.
10165 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
10167 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
10168 (ASM_LONG): Define.
10170 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
10171 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
10173 * rs6000.h: Add 'u' to more constants.
10175 2000-02-18 David Edelsohn <edelsohn@gnu.org>
10177 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
10179 2000-02-15 David Edelsohn <edelsohn@gnu.org>
10181 * rs6000.c (reg_or_u_cint_operand): New function.
10182 (logical_operand): Handle 64-bit hosts.
10183 (logical_u_operand): New function.
10184 (non_logical_cint_operand): Handle 64-bit hosts.
10185 (non_logical_u_cint_operand): New function.
10186 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
10187 (PREDICATE_CODES): Define new functions.
10188 * rs6000-protos.h: Declare new functions.
10189 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
10190 (movdi_64): Bracket code intended for 64-bit hosts. Create
10191 CONST_DOUBLE for 32-bit values.
10192 (scc insns): Generate DImode compares.
10193 (mfcr insns): Create DImode versions.
10194 (sge matchers): New patterns.
10196 2000-02-15 Gabriel Paubert <paubert@iram.es>
10198 * rs6000.md: Correct instructions length attributes and
10199 constraints on unsigned compare instructions.
10200 (*ne0): Disable for PowerPC64.
10202 2000-02-11 Geoff Keating <geoffk@cygnus.com>
10204 * rs6000.c (output_function_profiler): Use .long for a 32-bit
10205 quantity, fix profile1.C test failure under -fPIC.
10207 * rs6000.c: Add 'u' to many constants to suppress warnings.
10208 (constant_pool_expr_1): Make static.
10209 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
10210 * rs6000.h: Add 'u' to many constants to suppress warnings.
10212 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
10213 for the start of the TOC, instead of LCTOC..0.
10214 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
10216 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
10217 (load_toc_aix_di): Use LCTOC..1.
10219 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
10220 * rs6000.c (rs6000_legitimize_address): New function from
10221 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
10222 symbols in the constant pool that really are TOC references.
10223 (print_operand_address): For ELF, write TOC offsets under
10224 -fPIC as subtractions in the insn.
10225 (output_toc): For ELF, define symbols in TOC as normal labels,
10227 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
10228 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
10229 (create_TOC_reference): Prototype only when RTX_CODE is defined.
10230 * rs6000.md (movsi): Only use create_TOC_reference on
10231 symbols in the constant pool that really are TOC references.
10233 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
10234 * rs6000.c (rs6000_reorg): Delete.
10235 * rs6000-protos.h (rs6000_reorg): Delete.
10237 2000-02-09 Geoff Keating <geoffk@cygnus.com>
10239 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
10241 * aix.h (SETUP_FRAME_ADDRESSES): Define.
10242 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
10243 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
10244 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
10245 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
10246 rs6000_aix_emit_builtin_unwind_init.
10247 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
10248 rs6000_emit_eh_toc_restore on AIX.
10249 (return_eh_si): Use r2.
10250 (return_eh_di): Use r2.
10252 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
10253 since we're breaking binary compatibility anyway.
10255 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
10257 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
10258 constant_pool_expr_p): Declare them.
10259 (constant_pool_expr_p): Declare it.
10260 * config/rs6000/rs6000.c (toc_label_name): Define.
10261 (rs6000_override_options): Set toc_label_name.
10262 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
10263 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
10264 uses_TOC): New functions.
10265 (print_operand): Delete old '*' case.
10266 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
10267 and strip off rtl for TOC before calling output_addr_const.
10268 (rs6000_emit_load_toc_table): Use toc_label_name.
10269 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
10271 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
10272 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
10273 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
10274 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
10275 into explicit TOC_REGISTER offsets.
10276 (TOC_REGISTER): New macro.
10277 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
10278 TARGET_TOC to reference TOC_REGISTER.
10279 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
10280 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
10281 uses_TOC before emitting label references.
10283 2000-02-05 Geoff Keating <geoffk@cygnus.com>
10285 * rs6000.md (stack_tie): Fix warning.
10287 * eabi-ctors.c: Use 'asm' names for the start/end variables,
10288 to handle -fleading-underscore.
10289 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
10290 (USER_LABEL_PREFIX): New macro.
10291 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
10292 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
10293 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
10294 call-linux can use the same multilibs.
10295 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
10296 and call-linux multilibs. Do multilib with -fleading-underscore.
10297 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
10298 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
10301 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
10302 have MASK_SOFT_FLOAT set.
10303 (CPP_FLOAT_DEFAULT_SPEC): New macro.
10304 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
10305 CPP_FLOAT_DEFAULT_SPEC.
10307 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
10308 * rs6000.md: Whitespace change.
10309 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
10310 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
10312 2000-02-05 Geoff Keating <geoffk@cygnus.com>
10314 * rs6000.md (eh_epilogue): New expander.
10315 (eh_reg_restore): New expand/split/insn combination.
10316 (return_eh_si): New insn.
10317 (return_eh_di): New insn.
10319 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
10320 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
10321 * eabi-ctors.c (__do_global_ctors): Register this object's
10322 frame. Clean up. Call atexit() after the constructors.
10323 (__do_global_dtors): Deregister this object's frame. Clean up.
10324 Allow for recursive calls to exit().
10325 * rs6000.c (fixuplabelno): New variable.
10326 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
10327 TARGET_RELOCATABLE, it slows down exec() under linux.
10328 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
10330 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
10331 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
10332 (ASM_OUTPUT_DWARF_DELTA2): New macro.
10333 (ASM_OUTPUT_DWARF_DELTA4): New macro.
10334 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
10335 (ASM_OUTPUT_DWARF_ADDR): New macro.
10336 (ASM_OUTPUT_DWARF_DATA4): New macro.
10337 (ASM_OUTPUT_DWARF_DATA2): New macro.
10338 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
10339 (ASM_OUTPUT_DWARF_OFFSET): New macro.
10340 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
10342 2000-02-03 Geoff Keating <geoffk@cygnus.com>
10344 * rs6000.c (rs6000_sr_alias_set): New variable.
10345 (rs6000_override_options): Initialise rs6000_sr_alias_set.
10346 (rs6000_emit_stack_tie): New function.
10347 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
10348 in a way that dwarf2out can understand.
10349 (rs6000_frame_related): New function.
10350 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
10351 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
10352 Use rs6000_emit_stack_tie when needed.
10353 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
10354 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
10355 * rs6000.md (stack_tie): New insn.
10356 (return_internal_si): Allow return value to be in the count
10358 (return_internal_di): Likewise.
10360 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
10362 2000-02-03 Geoff Keating <geoffk@cygnus.com>
10364 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
10366 2000-01-31 Geoff Keating <geoffk@cygnus.com>
10368 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
10370 * rs6000.md (stmw): Use the right POWER opcode.
10373 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10375 * rs6000-protos.h: New file.
10377 * rs6000.c: Include tm_p.h. Fix compile time warnings.
10379 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
10382 * sysv4.h: Likewise.
10384 2000-01-28 Geoff Keating <geoffk@cygnus.com>
10386 * ../../configure.in: Delete powerpcle-*-winnt*
10387 and powerpcle-*-pe|powerpcle-*-cygwin*.
10388 * ../../configure: Regenerated.
10389 * cygwin.h: Delete.
10390 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
10391 (TARGET_WINDOWS_NT): Delete.
10393 (CALL_NT_DLLIMPORT): Delete.
10394 Delete NT-specific code.
10395 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
10396 * win-nt.h: Delete.
10398 * nt-ci.asm: Delete.
10399 * nt-cn.asm: Delete.
10400 * ntstack.asm: Delete.
10402 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10404 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
10405 (ASM_FILE_START): Likewise.
10406 (ASM_DECLARE_FUNCTION_NAME): Likewise.
10407 (ASM_OUTPUT_LABELREF): Likewise.
10408 (ASM_OUTPUT_SKIP): Likewise.
10409 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
10410 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
10411 (ASM_OUTPUT_CASE_LABEL): Likewise.
10412 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
10413 (ASM_OUTPUT_ASCII): Likewise.
10415 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
10417 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
10418 reload_toc_labelno for non-prologue TOC reloads. Also, don't
10419 increment rs6000_pic_labelno here.
10420 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
10421 and increment rs6000_pic_labelno here.
10423 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
10425 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
10426 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
10427 allocation knows (reg) is dead before the insn.
10429 2000-01-21 Geoff Keating <geoffk@cygnus.com>
10431 * rs6000.md (movsi_to_cr): Correct typo in output template.
10433 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
10435 * rs6000.c (rs6000_pic_labelno): Always define.
10436 (rs6000_pic_func_labelno): Delete.
10437 (lmw_operation): Check for a zero base register,
10438 which doesn't mean what we want.
10439 (stmw_operation): New function.
10440 (print_operand): Define new 'l' modifier.
10441 (rs6000_stack_info): We must save all 64 bits of the registers
10442 if TARGET_POWERPC64.
10443 (rs6000_output_load_toc_table): Delete.
10444 (rs6000_emit_load_toc_table): New function.
10445 (rs6000_allocate_stack_space): Delete.
10446 (rs6000_emit_allocate_stack): New function.
10447 (rs6000_emit_prologue): New function.
10448 (output_prolog): Use rs6000_emit_prologue.
10449 (rs6000_emit_epilogue): Change a few variable names to be
10450 more accurate. Restore all 64 bits of the registers if
10451 TARGET_POWERPC64. Only restore the FP registers which were used
10452 if they are being saved/restored one-at-a-time.
10453 (output_mi_thunk): Delete inefficient code generation.
10454 (output_function_profiler): Don't use rs6000_output_load_toc_table.
10455 * rs6000.h: Declare rs6000_emit_load_toc_table,
10456 rs6000_allocate_stack_space, stmw_operation. Don't declare
10457 rs6000_output_load_toc_table.
10458 * rs6000.md (elf_high): Allow register 0, but discourage it
10460 (elf_low): Support loading into register 0.
10461 (load_toc_aix_si): New pattern.
10462 (load_toc_aix_di): New pattern.
10463 (load_toc_v4_pic_si): New pattern.
10464 (load_toc_v4_pic_di): New pattern.
10465 (load_toc_v4_PIC_1): New pattern.
10466 (load_toc_v4_PIC_1b): New pattern.
10467 (load_toc_v4_PIC_2): New pattern.
10468 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
10469 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
10470 (prologue): New expander.
10471 (movesi_from_cr): New pattern.
10472 (stmw): New pattern.
10473 (save_fpregs_si): New pattern.
10474 (save_fpregs_di): New pattern.
10476 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10478 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
10483 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10485 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
10487 (movsi_got_internal): Likewise.
10488 (movsi_got_internal+1): Likewise.
10489 (set_sp): 'unspec 7' does a SImode clobber.
10491 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10493 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
10494 allocate a stack temporary.
10495 (floatsidf2_internal): Likewise.
10496 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
10498 (floatunssidf2): Don't use the fpmem "register", just
10499 allocate a stack temporary.
10500 (floatunssidf2_internal): Likewise.
10501 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
10503 (floatsidf2_loadaddr): Delete.
10504 (floatsidf2_store1): Delete.
10505 (floatsidf2_store2): Delete.
10506 (floatsidf2_load): Delete.
10507 (fix_truncdfsi2): Don't use the fpmem "register", just
10508 allocate a stack temporary.
10509 (fix_truncdfsi2_internal_si): Delete.
10510 (fix_truncdfsi2_internal_di): Delete.
10511 (fix_truncdfsi2_internal): New insn.
10512 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
10513 (fix_truncdfsi2_store): Delete.
10514 (fix_truncdfsi2_load): Delete.
10515 (fctiwz): Produce gen_fctiwz.
10517 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
10519 * eabi.h (INVOKE__main): Define.
10520 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
10522 (rs6000_emit_prologue): Likewise.
10523 * rs6000.h (struct rs6000_stack): Don't keep track of whether
10524 this is the main program.
10526 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10528 * rs6000.c (rs6000_va_arg): Delete some unused variables.
10530 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10532 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
10533 goes after the argument.
10535 2000-01-12 Geoff Keating <geoffk@cygnus.com>
10537 * rs6000.md: Document 'unspec' values used.
10538 (epilogue): New expander.
10539 (movesi_to_cr_one): New expander.
10540 (movesi_to_cr and following): New pattern.
10541 (lmw): New pattern.
10542 (return_internal_si): New pattern.
10543 (return_internal_di): New pattern.
10544 (return_and_restore_fpregs_si): New pattern.
10545 (return_and_restore_fpregs_di): New pattern.
10546 * rs6000.h: Declare new functions.
10547 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
10548 rather than rs6000_calls_p.
10549 (rs6000_makes_calls): Delete.
10550 (lmw_operation): New function.
10551 (mtcrf_operation): New function.
10552 (rs6000_emit_epilogue): New function.
10553 (output_epilog): Call rs6000_emit_epilogue and final if
10554 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
10556 2000-01-12 Geoff Keating <geoffk@cygnus.com>
10558 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
10559 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
10560 * aix.h (SUBTARGET_SWITCHES): Document switches.
10561 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
10562 sched-prolog and sched-epilog the same. Document all the
10564 (TARGET_OPTIONS): No longer allow -mdebug-.
10566 2000-01-12 Geoff Keating <geoffk@cygnus.com>
10568 * rs6000.h (ASM_FILE_END): Move to aix.h.
10569 (EXTRA_SECTIONS): Move to aix.h.
10570 (READONLY_DATA_SECTION): Move to aix.h.
10571 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
10572 (SELECT_SECTION): Move to aix.h.
10573 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
10574 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
10575 (LINK_REGISTER_REGNUM): New definition.
10576 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
10577 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
10579 * sysv4.h: Delete the code between the inclusion of rs6000.h
10581 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
10582 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
10583 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
10584 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
10585 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
10586 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
10587 (fix_truncdfsi2_internal_di): New pattern.
10588 (fix_truncdfsi2_store): The second arg here is Pmode too.
10589 (fix_truncdfsi2_load): The second arg here is Pmode too.
10590 (tablejumpdi): Now that switch tables hold only SImode values,
10591 gcc needs to know how to add them to the pc which is DImode.
10592 * rs6000.c (rs6000_stack_info): Use symbolic name for
10593 LINK_REGISTER_REGNUM.
10594 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
10595 (output_toc): Delete unused variables s1 and s2.
10596 (output_ascii): Use fputs not fprintf on a variable string.
10598 2000-01-07 David Edelsohn <edelsohn@gnu.org>
10600 * rs6000.c (processor_target_table): Add power3 as alias for 630.
10601 * aix43.h: Revert Aug 2 change.
10602 (HAS_INIT_SECTION): Define, not visible yet.
10603 (LD_INIT_SWITCH): Define, not visible yet.
10604 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
10606 2000-01-04 Joel Sherrill (joel@OARcorp.com>
10608 * config/rs6000/rtems.h: Include config/rtems.h.
10610 2000-01-04 David Edelsohn <edelsohn@gnu.org>
10612 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
10613 (SLOW_UNALIGNED_ACCESS): Define.
10614 (CASE_VECTOR_MODE): Always use 32-bit offsets.
10615 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
10616 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
10617 (toc_section): Likewise and .toc pseudo-op.
10618 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
10620 (TEXT_SECTION_ASM_OP): Likewise.
10621 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
10624 1999-12-17 Jakub Jelinek <jakub@redhat.com>
10626 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
10627 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
10630 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10632 * rs6000.h: Move more stuff from here...
10634 * sysv4.h: Cleanup accordingly.
10635 * netware.h: Likewise
10637 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10639 * rs6000.h: Continue cleanup.
10641 * lynx.h: Likewise.
10642 * netware.h: Likewise.
10643 * sol2.h: Likewise.
10644 * sysv4.h: Likewise.
10645 * win-nt.h: Likewise.
10647 * rs6000.h (TARGET_SWITCHES): Add descriptions.
10648 (TARGET_OPTIONS): Likewise.
10650 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
10651 (SUBTARGET_OPTIONS): Likewise.
10653 * rs6000.md: Fix compile time warnings.
10655 2000-01-04 Geoff Keating <geoffk@cygnus.com>
10657 vxworks patches from the Cygnus tree originally by
10658 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
10659 <vmakarov@cygnus.com>.
10660 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
10661 (ENDFILE_SPEC): Likewise.
10662 (LIB_VXWORKS_SPEC): New macro.
10663 (STARTFILE_VXWORKS_SPEC): New macro.
10664 (ENDFILE_VXWORKS_SPEC): New macro.
10665 (LINK_START_VXWORKS_SPEC): New macro.
10666 (LINK_OS_VXWORKS_SPEC): New macro.
10667 (CPP_OS_VXWORKS_SPEC): New macro.
10668 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
10669 * vxppc.h: Rewrite to use proper configuration method.
10670 * vxppcle.h: New file.
10671 * ../../configure.in: Add powerpcle-wrs-vxworks*.
10672 * ../../configure: Rebuilt.
10674 2000-01-04 Geoff Keating <geoffk@cygnus.com>
10676 Lots of changes to rs6000.h, sysv4.h, aix.h,
10677 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
10678 with the aim that rs6000.h is the first header
10679 included and the others override it.
10682 * x-aix41-gld: Remove.
10684 * x-aix41: Remove target-specific switches, and don't specify
10685 -Wl,-bbigtoc as we don't need it any more.
10686 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
10687 Use t-aix43 for AIX 4.3 and above.
10688 * ../../configure: Regenerated.
10690 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
10691 options, that don't do anything yet.
10692 (MASK_SCHED_PROLOG): New macro.
10693 (MASK_SCHED_EPILOG): New macro.
10694 (TARGET_SCHED_PROLOG): New macro.
10695 (TARGET_SCHED_EPILOG): New macro.
10697 2000-01-04 Geoff Keating <geoffk@cygnus.com>
10699 * rs6000.c: Correct comment, the `minimal' TOCs are actually
10700 one per translation unit, not one per function.
10701 (output_toc): Also do duplicate constant elimination
10702 for per-translation-unit TOCs.
10704 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
10705 a comment explaining _exactly_ when this pattern gets used.
10706 (builtin_setjmp_receiver): New pattern for better clarity.
10707 (init_v4_pic): Move it into a section dealing with TOC registers.
10709 1999-12-30 Geoff Keating <geoffk@cygnus.com>
10711 * rs6000.c (toc_hash_table): New variable.
10712 (rs6000_hash_constant): New function.
10713 (toc_hash_function): New function.
10714 (toc_hash_eq): New function.
10715 (toc_hash_mark_entry): New function.
10716 (toc_hash_mark_table): New function.
10717 (output_toc): Don't output duplicate TOC entries in
10719 (rs6000_add_gc_roots): Add the hash table as a GC root.
10720 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
10721 where they clearly shouldn't be. This may need to be fixed
10722 later when there is a GNU ar for AIX.
10723 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
10724 Don't define BOOT_LDFLAGS as it is now not necessary.
10726 1999-12-29 Geoff Keating <geoffk@cygnus.com>
10728 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
10729 for va_list on AIX. Use unsigned_char_type_node rather than
10730 constructing our own version on svr4.
10732 1999-12-17 Geoff Keating <geoffk@cygnus.com>
10734 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
10735 since patently it's not.
10737 1999-12-08 Geoff Keating <geoffk@cygnus.com>
10739 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
10740 define_expand/define_insn pair, and handle restore of the
10741 SVR4 -fpic register.
10743 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
10745 * acconfig.h (HAVE_GAS_WEAK): New define.
10746 * configure.in (assembler weak support): Check for .weak support.
10747 * config.in, configure: Rebuilt.
10748 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
10749 HAVE_GAS_WEAK is defined.
10751 2000-03-15 Nick Clifton <nickc@cygnus.com>
10753 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
10756 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
10758 * cppfiles.c (open_include_file): New function.
10759 (find_include_file, cpp_read_file): Use it.
10761 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
10763 * cpphash.c (dump_hash_helper): Take the slot, not the element.
10765 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
10767 * flow.c (verify_flow_info): Check for unconditional return.
10769 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
10771 * config/ia64/ia64.md (restore_stack_nonlocal): New.
10772 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
10773 (__ia64_restore_stack_nonlocal): New.
10774 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
10776 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10778 * cpphash.c (collect_formal_parameters): Do not complain about
10779 parameter names that just start with `__VA_ARGS__'.
10781 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
10783 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
10784 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
10785 * i386.c (pentiumpro_cost): Set mul cost to 4.
10786 (x86_use_movx): Set for PPro.
10788 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
10790 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
10791 STACK_BOUNDARY for empty frames now.
10793 2000-03-14 Mark Mitchell <mark@codesourcery.com>
10795 * stor-layout.c (layout_union): Remove.
10796 (layout_union_field): New function, split out from layout_union.
10797 (finish_union_layout): Likewise.
10798 (layout_field): Handle unions by calling layout_union_field.
10799 (finish_record_layout): Handle unions.
10800 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
10801 QUAL_UNION_TYPE handling.
10803 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
10805 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
10806 end of basic block is jump_insn, not barrier; use create_basic_block
10807 instead of creating basic block by hand.
10809 2000-03-14 Jason Eckhardt <jle@cygnus.com>
10811 * flow.c (reorder_basic_blocks): Account for barriers when writing
10812 over NEXT_INSN (last_bb->end).
10813 (verify_flow_info): Add check for missing barriers.
10815 2000-03-14 Greg McGary <gkm@gnu.org>
10817 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
10818 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
10819 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
10820 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
10821 __unbounded, __unbounded__): New keywords.
10822 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
10823 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
10824 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
10826 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
10828 * cselib.h: New file.
10829 * alias.c: Include "cselib.h".
10830 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
10831 MEMs as two new arguments.
10832 (get_addr): New static function.
10833 (find_base_term): Handle VALUEs.
10834 (memrefs_conflict_p): Likewise.
10835 (true_dependence): Call get_addr on the addresses.
10836 Call fixed_scalar_and_varying_struct_p with addresses that have been
10837 passed through get_addr and canon_rtx.
10838 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
10839 with true_dependence.
10840 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
10841 * loop.c: Include "cselib.h".
10842 (load_mems): Process extended basic block that enters the loop with
10843 cselib. Use that information to change initialization of the shadow
10844 register so that a constant equivalence is seen by later passes.
10845 * reload1.c: Include "cselib.h".
10846 (reload_cse_invalidate_regno): Delete function.
10847 (reload_cse_mem_conflict_p): Likewise.
10848 (reload_cse_invalidate_mem): Likewise.
10849 (reload_cse_invalidate_rtx): Likewise.
10850 (reload_cse_regno_equal_p): Likewise.
10851 (reload_cse_check_clobber): Likewise.
10852 (reload_cse_record_set): Likewise.
10853 (reg_values): Delete static variable.
10854 (invalidate_regno_rtx): Likewise.
10855 (reload_cse_delete_noop_set): New static function.
10856 (reload_cse_simplify): New static function, broken out of
10858 (reload_cse_noop_set_p): Delete unused argument INSN.
10859 Just call rtx_equal_for_cselib_p on set source and destination.
10860 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
10861 reload_cse_delete_noop_set. Delete code to keep track of values; use
10862 cselib functions instead. Delete code to push/pop obstacks.
10863 (reload_cse_simplify_set): Use cselib to find equivalent values.
10864 Delete code to push/pop obstacks.
10865 (reload_cse_simplify_operands): Likewise.
10866 * rtl.def (VALUE): New rtx code.
10867 * rtl.h (union rtunion_def): New elt rt_cselib.
10868 (X0CSELIB, CSELIB_VAL_PTR): New macros.
10869 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
10870 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
10871 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
10872 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
10873 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
10874 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
10875 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
10876 cselib_record_set, cselib_record_sets): New static functions.
10877 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
10878 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
10879 references_value_p): New functions.
10880 (MAX_USELESS_VALUES, REG_VALUES): New macros.
10881 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
10882 n_useless_values, reg_values, callmem, cselib_obstack,
10883 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
10884 New static variables.
10885 * varray.h (union varray_data_tag): New elt te.
10886 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
10887 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
10890 2000-03-14 Nick Clifton <nickc@cygnus.com>
10892 * gcc.c (do_spec_1): Catch the case where %* is used in a
10893 substitution pattern, but it has not been initialised.
10894 Issue a meaningful error message if an unrecognised operator
10895 is encountered in a spec string.
10897 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
10899 * function.c (prepare_function_start): Correctly initialize
10900 cfun->stack_alignment_needed.
10902 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
10904 * cppfiles.c (find_include_file): Don't assume nshort is a
10907 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
10909 * configure.in (hppa configurations): Add pa32-regs.h to the
10910 list of tm files as appropriate.
10911 * configure: Rebuilt.
10912 * pa.c (compute_frame_size): Remove explicit knowledge about FP
10913 register numbering.
10914 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
10915 (fmpyaddoperands, fmpysuboperands): Likewise.
10916 * pa.h: Remove various definitions which depend on knowing
10917 how registers are numbered.
10918 * pa32-regs.h: New file with PA32 register numbering specific
10921 2000-03-14 Richard Henderson <rth@cygnus.com>
10923 * regmove.c (combine_stack_adjustments): New.
10924 (stack_memref_p, single_set_for_csa): New.
10925 (free_csa_memlist, record_one_stack_memref): New.
10926 (try_apply_stack_adjustment): New.
10927 (combine_stack_adjustments_for_block): New.
10928 * rtl.h (combine_stack_adjustments): Declare.
10929 * toplev.c (rest_of_compilation): Call it.
10931 * i386.md: Revert 2000-01-16 change.
10933 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10935 * gccbug.in: Add web category, gcc specific classes.
10937 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
10939 * stor-layout.c (finalize_record_size): Fix typo.
10941 2000-03-14 Stan Shebs <shebs@apple.com>
10943 * c-typeck.c (c_alignof): Error on incomplete types.
10944 * extend.texi (Alignment): Document this.
10946 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
10948 * cppfiles.c: Include mkdeps.h.
10949 (find_include_file, read_include_file): Remove _cpp_ prefix
10950 from name, make static.
10951 (_cpp_execute_include): New function, broken out of
10954 * cpplib.c: Don't include mkdeps.h.
10955 (struct directive): Remove type field. Reorder entries. The
10956 function takes only one argument.
10957 (struct if_stack): Make type field an int.
10958 (directive_table): Rename to dtable. Generate it, the
10959 prototypes of the directive handlers, and the enum for the
10960 directive numbers, from a template macro.
10961 (do_ifndef, do_include_next, do_import): New functions.
10962 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
10963 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
10964 do_ident, do_assert, do_unassert, do_sccs): Take only one
10966 (do_sccs): Define always, but alter behavior based on
10968 (_cpp_handle_directive, consider_directive_while_skipping):
10969 Restructure for new directive table layout.
10971 (pass_thru_directive): Take a directive number, not a pointer
10972 to a struct directive.
10973 (parse_include): New function, broken out of do_include.
10974 (do_include, do_import, do_include_next): Use parse_include
10975 and _cpp_execute_include.
10976 (do_elif, do_else): Test for T_ELSE specifically when checking
10977 for #elif/#else after #else.
10978 (parse_ifdef): New function, broken out of do_ifdef.
10979 (validate_else): Expect a name arg without a leading #.
10980 (if_directive_name): Delete.
10981 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
10982 directive handlers with only one argument.
10984 * cpphash.h: Update prototypes.
10985 (enum node_type): Remove entries for directives.
10986 * Makefile.in: Update dependencies.
10988 * cpphash.c (dump_hash_helper): Only dump nodes of type
10989 T_MACRO. Emit a newline after each definition.
10991 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10993 * gccbug.in: New file.
10994 * configure.in (all_outputs): Add gccbug.
10995 * Makefile.in (install-common): Install gccbug.
10996 (GCCBUG_INSTALL_NAME): New variable.
10997 * configure: Rebuilt.
10999 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
11001 * function.c (put_var_into_stack): Use type_for_mode to calculate
11002 part_type. Use MEM_SET_IN_STRUCT_P.
11003 * expr.c (store_field): Handle CONCAT.
11004 (store_constructor): Use fields_length.
11005 * tree.c (fields_length): New fn.
11006 * tree.h: Declare it.
11008 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
11010 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
11011 (cpplex.o): New target.
11012 * po/POTFILES.in: Add cpplex.c.
11014 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
11015 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
11016 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
11017 skip_block_comment, skip_line_comment, skip_comment,
11018 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
11019 _cpp_parse_name, skip_string, parse_string,
11020 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
11021 _cpp_get_directive_token, find_position,
11022 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
11023 (maybe_macroexpand, _cpp_lex_token): New functions.
11025 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
11026 parse_goto_mark): Delete.
11027 (_cpp_handle_eof): New function.
11028 (_cpp_handle_directive): Rename from handle_directive.
11029 (_cpp_output_line_command): Rename from output_line_command.
11030 (do_if, do_elif): Call _cpp_parse_expr directly.
11031 * cppfiles.c (_cpp_read_include_file): Don't call
11032 init_input_buffer here.
11033 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
11034 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
11035 here; pop the token_buffer and skip the rest of the line here.
11036 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
11039 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
11041 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
11042 CPP_GOTO_MARK): New macros.
11043 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
11044 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
11045 _cpp_read_and_prescan, _cpp_init_input_buffer,
11046 _cpp_grow_token_buffer, _cpp_get_directive_token,
11047 _cpp_handle_directive, _cpp_handle_eof,
11048 _cpp_output_line_command): Prototype them here.
11049 * cpplib.h (enum cpp_token): Add CPP_MACRO.
11050 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
11051 quote_string, output_line_command): Remove.
11053 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
11055 * stmt.c (expand_end_case): RANGE may be signed, and when checking
11056 whether it is too large we must also verify that it isn't negative.
11058 2000-03-13 Jakub Jelinek <jakub@redhat.com>
11060 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
11061 (movsi_zero_liveg0): Remove.
11062 (movsf_insn_novis_liveg0): Remove.
11064 (negsi2_not_liveg0): Rename to negsi2.
11065 (one_cmplsi2): Remove.
11066 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
11067 (one_cmplsi2_liveg0): Remove.
11068 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
11069 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
11070 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
11071 (PREDICATE_CODES): Remove zero_operand.
11072 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
11073 TARGET_BROKEN_SAVERESTORE.
11074 (zero_operand): Remove.
11075 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
11076 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
11078 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
11079 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
11080 TARGET_BROKEN_SAVERESTORE): Remove.
11081 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
11083 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
11085 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
11088 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
11090 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
11092 * cpplib.c (do_pragma_implementation): Fix off-by-one error
11093 truncating a string. Don't assume tokens are nul terminated.
11094 Problem noted by Andreas Jaeger <aj@suse.de>
11096 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
11098 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
11099 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
11100 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
11102 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
11104 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
11105 STRUCTURE_SIZE_BOUNDARY.
11107 2000-03-13 Mark Mitchell <mark@codesourcery.com>
11109 * tree.h (record_layout_info_s): New structure.
11110 (record_layout_info): New type.
11111 (new_record_layout_info): New function.
11112 (layout_field): Likewise.
11113 (finish_record_layout): Likewise.
11114 * stor-layout.c (layout_record): Remove.
11115 (new_record_layout_info): New function.
11116 (layout_field): New function, broken out from layout_record.
11117 (finalize_record_size): Likewise.
11118 (compute_record_mode): Likewise.
11119 (finalize_type_size): New function, broken out from layout_type.
11120 (finish_record_layout): Likewise.
11121 (layout_type): Use them.
11123 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
11125 * cpphash.c: Don't include version.h.
11126 (special_symbol) [case T_VERSION]: Look for the string in
11127 hp->value.cpval; don't use version_string.
11128 * cppinit.c (initialize_builtins): Set hp->value.cpval for
11129 __VERSION__ to version_string.
11130 * Makefile.in (cpphash.o): Update deps.
11132 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
11134 Convert cpplib to use libiberty/hashtab.c.
11136 * cpplib.h (struct cpp_reader): Make hashtab and
11137 all_include_files of type 'struct htab *'. Delete HASHSIZE
11138 and ALL_INCLUDE_HASHSIZE macros.
11140 * cpphash.h: Update prototypes.
11141 (struct hashnode): Remove next, prev, and bucket_hdr members.
11142 Make length a size_t. Add hash member.
11143 (struct ihash): Remove next member. Add hash member. Make
11144 name a flexible array member.
11146 * cppfiles.c: Include hashtab.h.
11147 (include_hash): Delete.
11148 (IHASHSIZE): New macro.
11149 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
11150 (cpp_included): Do the hash lookup here.
11151 (_cpp_find_include_file): Rewrite.
11152 (cpp_read_file): Put the "fake" hash entry into the hash
11153 table. Honor the control_macro, if it turns out we've seen
11154 the file before. Don't push the buffer here.
11155 (_cpp_read_include_file): Push the buffer here.
11156 (OMODES): New macro. Use it whenever we call open(2).
11158 * cpphash.c: Include hashtab.h.
11159 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
11160 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
11161 _cpp_lookup_slot): New functions.
11162 (HASHSIZE): new macro.
11163 (hashf, _cpp_install, _cpp_delete_macro): Delete.
11164 (_cpp_lookup): Use hashtab.h routines.
11166 * cppinit.c: Include hashtab.h.
11167 (cpp_reader_init): Call _cpp_init_macro_hash and
11168 _cpp_init_include_hash. Don't allocate hashtab directly.
11169 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
11170 pfile->all_include_files.
11171 (initialize_builtins): Use _cpp_make_hashnode and
11172 htab_find_slot to add hash entries.
11173 (cpp_finish): Just call _cpp_dump_macro_hash.
11174 * cpplib.c: Include hashtab.h.
11175 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
11176 create hash entries.
11177 (do_pragma_poison, do_assert): Likewise.
11178 (do_include): Don't push the buffer here. Don't increment
11179 system_include_depth unless _cpp_read_include_file succeeds.
11180 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
11181 or htab_remove_elt.
11182 (do_pragma_implementation): Use alloca to create copy.
11184 * Makefile.in: Update dependencies.
11186 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11188 * cppinit.c (cl_directive_handler): More K&R fixing.
11190 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
11192 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
11194 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
11196 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11198 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
11199 Change from char[] to macros.
11201 2000-03-12 Neil Booth <NeilB@earthling.net>
11203 * cppinit.c (cpp_start_read): Update indirect function
11206 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
11208 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
11211 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
11212 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
11214 2000-03-11 Neil Booth <NeilB@earthling.net>
11216 * cppinit.c (struct pending option): Replace undef with a
11217 pointer to a directive handling routine.
11218 (struct cpp_pending): Replace separate assert_ and define_
11219 lists with one directive_ list.
11220 (new_pending_define): Rename new_pending_directive. Extra
11221 argument is the directive's handling routine.
11222 (handle_option): Update to use new_pending_directive.
11224 2000-03-11 Neil Booth <NeilB@earthling.net>
11226 * cppfiles.c (file_cleanup, _cpp_find_include_file,
11227 remap_filename, _cpp_read_include_file, actual_directory,
11228 hack_vms_include_specification): Replace bcopy(), index() etc
11229 calls. Add casts to some allocations. Make some variables
11230 pointers to const [unsigned] char.
11231 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
11232 collect_formal_parameters): Similarly.
11233 * cppinit.c (struct pending_option, append_include_chain,
11234 cpp_options_init, cpp_reader_init, initialize_standard_includes,
11235 cpp_start_read, new_pending_define, handle_option): Similarly.
11236 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
11237 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
11238 do_pragma_implementation, detect_if_not_defined,
11239 do_ifdef, skip_if_group, cpp_get_token, parse_string,
11240 do_assert, do_unassert): Similarly.
11241 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
11242 function prototypes.
11243 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
11245 2000-03-10 Richard Henderson <rth@cygnus.com>
11247 * builtins.c (expand_builtin_strlen): Revert last change.
11248 Use emit_insn_before if we're at the beginning of a sequence.
11250 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
11252 * builtins.c (expand_builtin_strlen): Make sure that we have something
11253 at the beginning of the sequence.
11255 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
11258 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
11260 2000-03-10 Richard Henderson <rth@cygnus.com>
11262 * except.c (can_throw): Use INTVAL on a CONST_INT.
11263 (reachable_handlers): Likewise.
11264 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
11266 2000-03-10 Andreas Jaeger <aj@suse.de>
11268 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
11269 MD_STARTFILE_PREFIX since those are not needed on linux.
11270 (ASM_FILE_START): New, from mips/gnu.h.
11272 2000-03-09 Richard Henderson <rth@cygnus.com>
11273 Alex Samuel <samuel@codesourcery.com> and others
11275 * Makefile.in (ssa.o): New rule.
11277 (STAGESTUFF): Add *.ssa and *.ussa.
11278 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
11279 * rtl.def (PHI): New RTL expression.
11280 * rtl.h (clear_log_links): New declaration.
11281 (convert_to_ssa): Likewise.
11282 (convert_from_ssa): Likewise.
11283 * flow.c (split_edge): If the entry node falls through to the
11284 split edge's source block, split the entry edge.
11285 (clear_log_links): New function.
11286 * toplev.c (ssa_dump): New variable.
11287 (flag_ssa): Likewise.
11288 (f_options): Add "ssa".
11289 (compile_file): Create SSA dump files.
11290 (rest_of_compilation): Go to and from SSA if enabled.
11291 (decide_d_option): Handle -de for SSA dump files.
11294 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
11296 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
11299 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
11301 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
11303 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
11305 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
11306 (MD_STARTFILE_PREFIX_1): New macro.
11308 2000-03-09 Robert Lipe <robertl@sco.com>
11310 * config/ia64/ia64.c: Include system.h.
11312 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
11314 * except.c (nothrow_function_p): If -fno-exceptions, just return.
11315 (init_eh_nesting_info): Likewise.
11317 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
11318 (TREE_NOTHROW): Rename from TREE_RAISES.
11319 * toplev.c (rest_of_compilation): Set it.
11320 * print-tree.c (print_node): Adjust.
11321 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
11322 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
11323 * calls.c (emit_call_1): Add 'nothrow' parm. Add
11324 REG_EH_REGION note as appropriate.
11325 (libfunc_nothrow): New fn.
11326 (emit_library_call, emit_library_call_value): Use it.
11327 (expand_call): Check TREE_NOTHROW.
11329 * varasm.c (make_decl_rtl): Skip initial '*' when setting
11330 DECL_ASSEMBLER_NAME.
11332 2000-03-09 Andreas Jaeger <aj@suse.de>
11334 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
11335 (TARGET_MEM_FUNCTIONS): Define.
11337 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
11339 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
11341 * except.c (can_throw): See through a SEQUENCE.
11342 (nothrow_function_p): New fn.
11343 * except.h: Declare it.
11344 * function.c (current_function_nothrow): New var.
11345 (prepare_function_start): Initialize it.
11346 * output.h: Declare it.
11347 * toplev.c (rest_of_compilation): Set it.
11348 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
11350 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
11352 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
11353 match. (cpp_compare_defs): Count the nul separator when
11354 advancing over argument names.
11356 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
11358 * recog.c (preprocess_constraints): Matching constraints affect
11359 same alternative/different operand, not same operand/different
11362 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
11363 register and a constant specially.
11365 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11367 * libgcc2.h: New file.
11368 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
11370 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
11372 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
11373 * configure: Regenerate.
11374 * config/ia64: New.
11376 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
11378 * Makefile.in (LIBCPP_DEPS): New macro.
11379 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
11380 it to declare deps.
11381 * cpperror.c: Include cpphash.h.
11382 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
11384 (lex): Don't use CPP_WARN_UNDEF.
11385 (_cpp_parse_expr): Return an int, the truth value.
11386 * cppfiles.c: Include cpphash.h.
11387 (_cpp_merge_include_chains): Move to cppinit.c and make static.
11388 * cppinit.c (include_defaults_array): Disentangle.
11389 (cpp_cleanup): Don't free the if stack here.
11390 (cpp_finish): Pop off all buffers, not just one.
11391 * cpplib.c (eval_if_expr): Return int.
11392 (do_xifdef): Rename do_ifdef.
11393 (handle_directive): Don't use CPP_PREPROCESSED.
11394 (cpp_get_token): Don't use CPP_C89.
11395 * fix-header.c: Don't use CPP_OPTIONS.
11397 * cpplib.h: Move U_CHAR, enum node_type, struct
11398 file_name_list, struct ihash, is_idchar, is_idstart,
11399 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
11400 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
11401 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
11402 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
11403 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
11404 of _cpp_simplify_pathname, _cpp_find_include_file,
11405 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
11406 Move struct if_stack to cpplib.c. Move struct cpp_pending to
11408 Change all uses of U_CHAR to be unsigned char instead.
11409 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
11411 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
11413 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
11414 (dwarf2out_begin_prologue): Set it.
11415 (output_call_frame_info): Don't emit EH unwind info for leaves.
11417 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
11418 can occur outside of an EH region.
11419 * except.c: Correct comments about rethrow behavior.
11420 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
11422 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
11424 * flow.c (make_edges): Always call make_eh_edge for calls.
11426 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
11428 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
11429 (struct cpp_buffer): Remove fname and underflow fields.
11430 (struct cpp_reader): Remove get_token field.
11431 (struct include_hash): Rename to struct ihash. Add typedef to
11433 (struct if_stack): Remove fname field.
11434 (IF_STACK_FRAME): Rename to IF_STACK.
11436 * cpperror.c (print_containing_files): Trust that there are no
11437 macro buffers below the top file buffer.
11438 * cppfiles.c: Replace all references to 'struct include_hash'
11439 with 'IHASH'. Rename initialize_input_buffer to
11440 init_input_buffer. Don't set or reference cpp_buffer->fname,
11441 use buffer->ihash->name instead.
11442 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
11443 not CPP_NULL_BUFFER.
11444 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
11445 IF_STACK_FRAME, IHASH not struct include_hash.
11446 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
11447 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
11448 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
11449 references to cpp_buffer->fname (delete entirely, or use
11450 ->ihash->name instead) and IF_STACK->fname.
11451 (cpp_push_buffer): Don't set new->underflow.
11452 (do_include): Use cpp_file_buffer.
11454 * cpphash.c (collect_formal_parameters): Remove duplicate
11455 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
11456 used as a macro argument name. Don't append "..." to namebuf
11457 for varargs macros. After we're done scanning, go through
11458 namebuf and make it NUL separated, not comma separated.
11459 (_cpp_compare_defs): Remove register tag from variables.
11460 Expect defn->argnames to be NUL separated.
11461 (_cpp_dump_definition): Expect defn->argnames to be NUL
11462 separated and in forward order.
11463 * cpphash.h: Update documentation of argnames field.
11465 2000-03-08 Richard Henderson <rth@cygnus.com>
11467 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
11468 to fail. Don't pre-expand the source operand.
11470 * i386.md (strlensi): Initialize eoschar and align before use.
11472 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
11474 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
11475 CONSTRUCTOR element.
11477 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
11479 * mips.c (mips_expand_prologue): If the last
11480 named argument is the vararg marker "va_list", treat it as
11481 an unnamed argument.
11483 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
11485 * dbxout.c (dbxout_parms): When correcting for promoted
11486 big-endian parameters, use the mode of the DECL_RTL rather
11487 than UNITS_PER_WORD.
11489 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
11491 * c-common.h (make_fname_decl): Declare.
11492 * c-common.c (make_fname_decl): Define.
11493 (declare_hidden_char_array): Remove.
11494 (declare_function_name): Use make_fname_decl.
11495 * c-decl.c (c_make_fname_decl): New function.
11496 (init_decl_processing): Set make_fname_decl.
11498 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
11500 * cccp.c (handle_directive): Initialize backslash_newlines_p.
11502 2000-03-07 Philipp Thomas <pthomas@suse.de>
11504 * po/POTFILES.in: Remove cppalloc.c from file list.
11506 2000-03-07 Steve Chamberlain <sac@pobox.com>
11508 * pj.c (pj_expand_prologue): current_function->args_info is
11509 now current_function_args_info.
11511 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
11512 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
11513 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
11515 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11517 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
11518 output as hexadecimal rather than the default octal.
11520 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
11522 * cpphash.c (special_symbol): Fix thinko in previous commit.
11524 2000-03-07 Neil Booth <NeilB@earthling.net>
11526 * cppexp.c (struct operation, left_shift, right_shift,
11527 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
11528 "int"s to "unsigned int"s.
11529 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
11531 * cpplib.h: Update for above.
11532 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
11533 returned from allocations.
11535 * cppinit.c (opt_comp, parse_options): New functions.
11536 (handle_option): Use parse_option to parse a single command
11537 line option, that possibly takes an argument.
11538 (cpp_handle_options): Sort the array of command line options on
11539 first invocation (non-ASCII hosts only).
11540 (print_help): Update.
11542 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
11544 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
11545 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
11547 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
11549 * cppinit.c (cpp_cleanup): Free imp->nshort also.
11551 * cpperror.c (cpp_print_containing_files,
11552 cpp_print_file_and_line, v_cpp_message): Rename to
11553 print_containing_files, print_file_and_line, and v_message.
11554 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
11555 to _cpp_parse_expr, parse_escape, and lex.
11556 (parse_charconst): Remove broken multibyte support.
11557 * cppfiles.c (include_hash): Make static.
11558 (cpp_included): New function.
11559 (merge_include_chains, find_include_file, finclude,
11560 simplify_pathname): Rename to _cpp_merge_include_chains,
11561 _cpp_find_include_file, _cpp_read_include_file, and
11562 _cpp_simplify_pathname.
11563 * cpphash.c (cpp_lookup, free_definition, delete_macro,
11564 cpp_install, create_definition, macroexpand, compare_defs,
11565 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
11566 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
11567 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
11568 * cppinit.c (cpp_handle_option): Rename to handle_option, make
11570 * cpplib.c: Remove extern prototype of cpp_parse_expr.
11572 * cpphash.h: Update prototypes.
11573 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
11575 2000-03-07 Andrew Haley <aph@cygnus.com>
11577 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
11578 PTRDIFF_TYPE should be based solely on Pmode.
11579 (SIZE_TYPE): ditto.
11581 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11583 * rtl.h (rtunion_def): Constify member `rtstr'.
11584 (emit_line_note_after, emit_line_note, emit_line_note_force,
11585 emit_note, decode_asm_operands): Constify.
11587 * cse.c (canon_hash): Likewise.
11589 * dbxout.c (dbxout_block): Likewise.
11591 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
11592 v_warning_for_asm): Likewise.
11594 * dwarfout.c (function_start_label): Likewise.
11596 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
11597 emit_line_note_force): Likewise.
11599 * final.c (last_filename, asm_insn_count, final_scan_insn,
11600 output_source_line): Likewise.
11602 * function.h (struct emit_status): Likewise.
11604 * gcse.c (hash_expr_1): Likewise.
11606 * genattr.c (gen_attr, main): Likewise.
11608 * genattrtab.c (struct function_unit, current_alternative_string,
11609 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
11610 attr_numeral, check_attr_test, check_attr_value,
11611 convert_set_attr_alternative, convert_set_attr,
11612 compute_alternative_mask, simplify_by_exploding, gen_attr,
11613 gen_unit): Likewise.
11615 * genflags.c (gen_insn): Likewise.
11617 * gengenrtl.c (type_from_format): Likewise.
11619 * genopinit.c (gen_insn): Likewise.
11621 * genoutput.c (n_occurrences, process_template, process_template):
11624 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
11627 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
11630 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
11631 ggc_set_mark, ggc_get_size): Likewise.
11633 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
11635 * optabs.c (init_one_libfunc): Likewise.
11637 * output.h (assemble_start_function): Likewise.
11639 * recog.c (decode_asm_operands): Likewise.
11641 * toplev.c (rest_of_compilation): Likewise.
11643 * tree.h (emit_line_note_after, emit_line_note,
11644 emit_line_note_force): Likewise.
11646 * varasm.c (asm_output_bss, asm_output_aligned_bss,
11647 asm_emit_uninitialised, assemble_start_function,
11648 assemble_variable, const_hash, compare_constant_1,
11649 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
11651 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
11653 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
11655 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
11657 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
11659 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
11660 arm_dllimport_name_p): Likewise.
11662 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
11665 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
11667 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11669 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
11670 arm_mark_dllexport, arm_mark_dllimport,
11671 arm_pe_encode_section_info): Likewise.
11673 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
11674 ASM_FINISH_DECLARE_OBJECT): Likewise.
11676 * arm/thumb.c (thumb_function_prologue): Likewise.
11678 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
11680 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11682 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
11684 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
11686 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
11688 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11690 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
11691 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
11693 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
11695 * i386/i386.c (asm_output_function_prefix): Likewise.
11697 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
11699 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11701 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
11703 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
11704 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
11705 ASM_OUTPUT_SECTION_NAME): Likewise.
11707 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
11709 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
11711 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
11713 * m32r/m32r.c (m32r_encode_section_info): Likewise.
11715 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11717 * mcore/mcore.c (mcore_encode_section_info): Likewise.
11719 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11721 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11723 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11725 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
11727 * mips/mips.md (movdi, movsi): Likewise.
11729 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11731 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11733 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11735 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
11736 ASM_OUTPUT_ASCII): Likewise.
11738 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
11739 output_mi_thunk, output_toc): Likewise.
11741 * rs6000/rs6000.md (movsi): Likewise.
11743 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
11745 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
11747 * v850/v850.c (print_operand, print_operand_address,
11748 v850_encode_data_area): Likewise.
11750 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
11752 * config/mips/mips.md (zero_extendsidi2): Always force operand
11753 one to memory for mips16.
11755 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11757 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
11758 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
11759 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
11760 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
11761 (min_precision): Result is unsigned.
11762 (add_double, neg_double, mul_double): Low word is unsigned.
11763 (lshift_double, rshift_double, lrotate_double): Likewise.
11764 (rrotate_double, div_and_round_double): Likewise.
11765 (tree_floor_log2, compare_tree_int): New functions.
11766 (preserve_rtl_expr_temps): New declaration.
11767 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
11768 (decl_attributes): Use tree_log2 to find alignment.
11769 Check for TREE_INT_CST_HIGH for format args.
11770 (min_precision): Now unsigned.
11771 Use tree_floor_log2.
11772 (truthvalue_conversion): Delete long-disabled code.
11773 * c-decl.c (finish_struct): Clean up tests on field width.
11774 (finish_function): Use compare_tree_int.
11775 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
11776 * c-typeck.c (comptypes): Use tree_int_cst_equal.
11777 (default_conversion, digest_init): Use compare_tree_int.
11778 (build_binary_op): Use integer_all_onesp and compare_tree_int.
11779 Fix type errors in forming masks.
11780 * calls.c (initialize_argument_information): Use compare_tree_int.
11781 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
11782 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
11783 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
11784 (store_field): Use compare_tree_int.
11785 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
11786 (expand_expr, case ARRAY_REF): Use compare_tree_int.
11787 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
11788 (do_store_flag): Use compare_tree_int.
11789 * fold-const.c (encode, decode): Low part is always unsigned.
11790 (force_fit_type, add_double, neg_double, mul_double): Likewise.
11791 (lshift_double, rshift_double, lrotate_double): Likewise.
11792 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
11793 (fold_convert): Use compare_tree_int.
11794 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
11795 (invert_truthvalue, case INTEGER_CST): Likewise.
11796 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
11797 * mkdeps.c (deps_dummy_targets): Make I unsigned.
11798 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
11799 (lshift_double, rshift_double, lrotate_double, rrotate_double):
11801 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
11802 (expand_end_case): Use compare_tree_int.
11803 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
11804 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
11805 (layout_decl): Likewise.
11806 (layout_record, layout_union): Make sizes unsigned.
11807 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
11808 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
11809 * tree.c (struct type_hash): hashcode is unsigned.
11810 (build_type_attribute_variant, type_hash_list): Likewise.
11811 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
11812 (attribute_hash_list, build_array_type, build_method_type): Likewise.
11813 (build_complex_type): Likewise.
11814 (real_value_from_int_cst): Remove unneeded casts.
11815 (integer_all_onesp): Add casts.
11816 (tree_floor_log2, compare_tree_int): New functions.
11817 (build_index_type): Use tree_int_cst_sgn.
11818 * varasm.c (assemble_variable): Use compare_tree_int.
11820 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
11822 * cpphash.c (collect_expansion): Also catch ## at start of macro.
11824 * varasm.c (make_decl_rtl): Don't add a number to members of
11826 (make_function_rtl): Likewise.
11828 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11830 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
11831 patch from 2000-01-28.
11833 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
11835 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
11836 filled with an insn from the jump target.
11838 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11840 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
11841 (c4x_external_ref): Likewise.
11842 * config/c4x/c4x.c (struct name_list): Likewise.
11844 1999-12-16 Ben Collins <bcollins@debian.org>
11846 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
11847 argument to genmultilib.
11848 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
11849 the contents into the multilib.h header.
11850 * gcc.c: Declare multilib_exclusions for the specs file.
11851 (set_multilib_dir): Use it.
11852 (print_multilib_info): Likewise.
11853 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
11854 to pass to genmultilib.
11856 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11858 * builtins.c (built_in_class_names, built_in_names): Constify a
11861 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
11863 (_mcleanup): Ensure value matches format specifier in sprintf.
11865 * cpphash.c (special_symbol): Don't needlessly cast away
11868 * cppinit.c (base_name): Delete unused prototype.
11870 * mkdeps.c (deps_init): Make definition K&R safe.
11872 * tree.h (built_in_class_names, built_in_names): Constify a
11875 2000-03-06 Jakub Jelinek <jakub@redhat.com>
11877 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
11878 floating point instructions for epilogue delay.
11880 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
11881 to gas if it supports .register pseudo.
11883 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
11884 LONG_DOUBLE_TYPE_SIZE if not defined.
11885 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
11886 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
11887 * real.c: Likewise.
11888 * gengenrtl.c: Likewise.
11889 * print-rtl.c: Likewise.
11891 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
11892 MASK_LONG_DOUBLE_128.
11893 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
11894 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
11895 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
11896 (SUBTARGET_SWITCHES): Define.
11897 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
11898 with -mlong-double-128.
11899 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
11900 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
11901 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
11902 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
11903 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
11904 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
11905 with -mlong-double-128.
11906 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
11907 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
11908 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
11909 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
11910 TARGET_LONG_DOUBLE_128): Define.
11911 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
11912 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
11913 long double on TARGET_ARCH64.
11915 2000-03-06 Mark Mitchell <mark@codesourcery.com>
11917 * function.c (free_temps_for_rtl_expr): Don't free slots
11918 that have been pushed into a higher level.
11921 2000-03-05 Mark Mitchell <mark@codesourcery.com>
11923 2000-03-05 Mark Mitchell <mark@codesourcery.com>
11925 * basic-block.h (ALLOCA_REG_SET): Remove.
11926 (INITIALIZE_REG_SET): New macro.
11927 * flow.c (update_life_info): Use it.
11928 (calculate_global_regs_live): Likewise.
11929 (propagate_block): Likewise.
11930 * global.c (build_insn_chain): Likewise.
11931 * haifa-sched.c (schedule_region): Likewise.
11933 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
11935 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
11936 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
11937 (DWARF_ARANGES_PAD_SIZE): New define.
11938 (output_aranges): Use it to pad the address range header.
11939 (DWARF_ROUND): Fix for non power of 2 rounding.
11941 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
11943 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
11945 2000-03-05 Mark Mitchell <mark@codesourcery.com>
11947 * tree.def (RTL_EXPR): Update documentation.
11948 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
11949 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
11950 * function.c (preserve_rtl_expr_temp): New function.
11951 (preserve_rtl_expr_temps): Likewise.
11952 (preserve_rtl_expr_result): Use it.
11955 2000-03-04 Mark Mitchell <mark@codesourcery.com>
11957 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
11959 * regmove.c (copy_src_to_dest) Do not create src->dest move
11960 for unchanging destination.
11962 2000-03-04 Mark Mitchell <mark@codesourcery.com>
11964 * function.h (struct sequence_stack): Remove rtl_expr.
11965 (struct emit_staus): Likewise.
11966 (seq_rtl_expr): Remove.
11967 * tree.h (free_temps_for_rtl_expr): Don't declare.
11968 (start_sequence_for_rtl_expr): Likewise.
11969 * rtl.h (preserve_rtl_expr_result): Likewise.
11970 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
11971 (start_sequence_for_rtl_expr): Remove.
11972 (push_topmost_sequence): Don't save sequence_rtl_expr.
11973 (pop_topmost_sequence): Remove comment about not restoring it.
11974 (end_sequence): Don't set seq_rtl_expr.
11975 (init_emit): Don't initialize it.
11976 (mark_sequence_stack): Don't mark it.
11977 (mark_emit_status): Likewise.
11978 * except.c (protect_with_terminate): Use
11979 start_sequence_for_rtl_expr, not start_sequence.
11980 * expr.c (expand_expr, case RTL_EXPR): Don't call
11981 preserve_rtl_expr_result or free_temps_for_rtl_expr.
11982 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
11983 (preserve_rtl_expr_result): Remove.
11984 (free_temps_for_rtl_expr): Likewise.
11985 (pop_temp_slots): Likewise.
11986 (mark_temp_slot): Don't mark the rtl_expr.
11987 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
11988 start_sequence_for_rtl_expr.
11990 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
11992 * mkdeps.c, mkdeps.h: New files.
11993 * po/POTFILES.in: Add them.
11994 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
11995 (cpplib.o, cppinit.o): Depend on mkdeps.h.
11996 (mkdeps.o): New target.
11998 * cppfiles.c: Delete deps_output.
11999 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
12000 OBJECT_SUFFIX, and base_name.
12001 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
12003 (initialize_dependency_output): Use deps_init,
12004 deps_add_target, deps_calc_target, and deps_add_dep. Remove
12005 all the unnecessary string bashing.
12006 (cpp_finish): Use deps_write. Remove an unnecessary nesting
12008 * cpplib.c (do_include): Use deps_add_dep.
12009 * cpplib.h (struct cpp_reader): Replace deps_buffer,
12010 deps_allocated_size, deps_size, deps_column members with
12011 single pointer to a struct deps. Delete prototype of
12014 * cppinit.c: Fix thinko in previous patch.
12016 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12018 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
12019 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
12020 (mode_for_size_tree): New function.
12021 (layout_decl, layout_type): Call it and clean up BLKmode checks.
12022 * tree.h (mode_for_size_tree): New declaration.
12024 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
12026 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
12028 * stmt.c (is_body_block): Move...
12029 * dwarfout.c, dwarf2out.c: ...from here.
12030 * tree.h: Declare it.
12031 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
12032 * final.c (final_start_function): Do call remove_unnecessary_notes
12035 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
12037 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
12039 * cpplib.h (_dollar_ok): New macro.
12040 (is_idchar, is_idstart): Use it.
12041 (IStable): Rename to _cpp_IStable. Declare it const if
12042 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
12043 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
12044 is_space): Update for renamed IStable.
12046 * cppinit.c: Delete all references to FAKE_CONST and CAT
12047 macros. Define init_IStable as empty macro if gcc >=2.7 or
12048 C99. Change TABLE() to ISTABLE and hardcode name of table.
12049 (cpp_start_read): Don't change the IStable based on
12052 * cpphash.c (unsafe_chars): Add pfile argument. All callers
12053 changed. Handle '$' for char1 correctly.
12054 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
12056 * cppexp.c (tokentab2): Make const.
12057 (cpp_lex): Make toktab const.
12058 * cppinit.c (include_defaults_array): Make const.
12059 (initialize_standard_includes): Make default_include const.
12061 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
12063 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
12064 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
12065 (gen_decl_die): Likewise.
12066 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
12067 (output_decl): Likewise.
12069 * varasm.c (make_function_rtl): If we change the name used in the
12070 rtl, update DECL_ASSEMBLER_NAME accordingly.
12071 (make_decl_rtl): Likewise.
12073 * toplev.c (rest_of_compilation): Tweak formatting.
12075 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
12076 remove_unnecessary_notes.
12077 (debug_ignore_block): New fn.
12078 * toplev.h: Declare it.
12079 * emit-rtl.c (remove_unncessary_notes): Call it.
12080 * dwarf2out.c (dwarf2out_ignore_block): New fn.
12081 * dwarf2out.h: Declare it.
12082 * final.c (final_start_function): Don't call remove_unnecessary_notes
12083 if we did insn scheduling.
12085 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
12087 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
12088 * cpplib.h: Delete SET_CPP_PEDANTIC.
12090 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12092 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
12093 result is a RECORD_TYPE.
12095 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
12097 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
12099 2000-03-03 Richard Henderson <rth@cygnus.com>
12101 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
12102 addition over compliments over shifts.
12104 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12106 * reload1.c (reload_combine_note_use): Handle return register USEs.
12107 REG case: Handle multi-hard-register hard regs.
12109 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12111 * md.texi: Document use of '*' in insn pattern name.
12113 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
12115 * calls.c (special_function_p): operator new may not be malloc-like.
12117 * gcse.c (dump_hash_table): Really fix error in last change.
12119 2000-03-02 Denis Chertykov <denisc@overta.ru>
12121 * avr.c (print_operand): Use print_operand_address instead of
12123 * avr/libgcc.S: Cleanup code.
12125 2000-03-02 Richard Henderson <rth@cygnus.com>
12127 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
12129 2000-03-02 Mark Mitchell <mark@codesourcery.com>
12131 * tree.h (TYPE_ALIGN_UNIT): New macro.
12133 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
12135 * i386.c: (constant_call_address_operand): Reject CONST_INT.
12137 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
12139 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
12141 (SET_CPP_PEDANTIC): New macro.
12142 * cpplib.c (do_include): Don't bother checking system_header_p.
12143 (do_warning, do_ident, do_assert, do_unassert): Likewise.
12144 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
12146 * function.h (struct expr_status): Add x_arg_space_so_far.
12147 (arg_space_so_far): New macro.
12148 * expr.c (init_expr): Initialize it.
12149 * calls.c (emit_call_1): Reset it.
12150 (compute_argument_block_size, expand_call): Use it.
12151 (expand_call, store_one_arg): Increment it.
12153 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12155 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
12158 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
12160 * cppfiles.c (cpp_read_file): New function.
12162 * cpphash.c (collect_expansion): Make sure to reset last_token
12163 to NORM when we hit a string. Handle trailing whitespace
12164 properly when the expansion is empty.
12165 (create_definition): Disable line commands while parsing the
12167 (dump_definition): If pfile->lineno == 0, output a line
12168 command ahead of the dump, and add a trailing newline.
12170 * cppinit.c (append_include_chain): Add fifth argument, which
12171 indicates whether or not system headers are C++ aware.
12172 (initialize_standard_includes): New function,
12173 broken out of read_and_prescan. Pass 'cxx_aware' value from
12174 the include_defaults_array on to append_include_chain.
12175 (dump_special_to_buffer): Const-ify char array.
12176 (builtin_array): Don't dump __BASE_FILE__.
12177 (cpp_start_read): Use cpp_read_file. Reorder code for
12178 clarity. Don't output line commands here for -D/-A/-U
12179 switches. Don't call deps_output for files included with
12180 -include or -imacros.
12182 * cpplib.c (do_define): Don't pay any attention to the second
12184 (cpp_expand_to_buffer): Disable line commands while scanning.
12185 (output_line_command): Work in the file buffer.
12186 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
12187 Fix formatting of comments. Prototype cpp_read_file.
12189 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12191 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
12192 reference the language-equivalent of sizetype.
12193 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
12194 * fold-const.c (size_binop, size_diffop): Put back checks.
12195 * gcse.c (dump_hash_table): Fix minor error in last change.
12196 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
12197 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
12200 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
12202 * calls.c (expand_call) Do not attempt to combine stack adjustments
12203 with inhibit_defer_pop set.
12205 2000-03-01 Mark Mitchell <mark@codesourcery.com>
12207 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
12208 the DECL_SIZE for a FIELD_DECL.
12210 2000-03-01 Bruce Korb <bkorb@gnu.org>
12212 * fixinc/inclhack.tpl: remove unused symlinks
12213 * fixinc/README: GCC Maintainer info
12214 * fixinc/inclhack.sh: regen
12215 * fixinc/fixincl.sh: regen
12217 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
12219 * cpphash.c (collect_expansion): Trim trailing white space
12220 from macro definitions, but don't go past the last insertion
12223 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
12225 * i386.md (mulqi3): New pattern.
12227 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
12229 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
12231 (struct cpp_reader): Add parsing_if_directive and
12232 parsing_define_directive flags.
12233 (struct cpp_options): Remove output_conditionals flag.
12234 (check_macro_name): Delete prototype.
12236 * cpphash.h (struct macrodef): Delete.
12237 (struct reflist): Separate from struct definition.
12238 (struct definition): Remove unused fields. Add column number.
12239 (create_definition): Returns a DEFINITION *. Takes a
12240 cpp_reader * and an int.
12242 * cpphash.c (SKIP_WHITE_SPACE): Delete.
12243 (PEEKC): Copy defn from cpplib.c.
12244 (rest_extension, REST_EXTENSION_LENGTH): Delete.
12246 (struct arglist): Simplify.
12247 (collect_expansion): Rewrite. Get tokens by calling
12248 cpp_get_token. Add more error checking.
12249 (collect_formal_parameters): New function, broken out of
12250 create_definition and reworked to use get_directive_token.
12251 (create_definition): All real work is now in collect_expansion
12252 and collect_formal_parameters. do_define handles finding the
12253 macro name. Return a DEFINITION, not a MACRODEF.
12254 (macroexpand): Replace bcopy with memcpy throughout. Replace
12255 character-at-a-time copy loop with memcpy and pointer increments.
12256 (compare-defs): d1->argnames / d2->argnames might be null.
12258 * cpplib.c (copy_rest_of_line): Delete function.
12259 (skip_rest_of_line): Do all the work ourselves.
12260 (skip_string): New function.
12261 (parse_string): Use skip_string.
12262 (get_macro_name): New function.
12263 (check_macro_name): Delete.
12264 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
12265 (cpp_skip_hspace): Use CPP_BUMP_LINE.
12266 (handle_directive): ICE if we're called on a macro buffer.
12267 (do_define): Determine macro name and type (funlike/objlike)
12268 here. Expunge all uses of MACRODEF.
12269 (cpp_push_buffer): Set line_base to NULL.
12270 (do_undef, read_line_number): Don't worry about getting a POP token.
12271 (eval_if_expression): Set/reset parsing_if_directive around
12272 cpp_parse_expr. Don't clear only_seen_white.
12273 (skip_if_group): Remove output_conditionals logic. Use
12275 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
12276 tokens under appropriate conditions.
12277 (cpp_unassert): Call do_unassert not do_assert. Oops.
12279 * cppexp.c (parse_defined): New function, break out of
12281 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
12282 ourselves, with cpp_defined.
12283 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
12285 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
12286 * gcc.dg/strpaste-2.c: New.
12288 2000-02-29 Mark Mitchell <mark@codesourcery.com>
12290 * fold-const.c (size_binop): Don't asert inputs are the same and
12291 have TYPE_IS_SIZETYPE set.
12292 (size_diffop): Likewise.
12294 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
12296 * dwarfout.c (output_block): Output abstract blocks even if they
12297 don't have TREE_ASM_WRITTEN set.
12299 * calls.c (emit_library_call): Check for null REG.
12301 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
12303 * c-decl.c (current_function_decl): Move to toplev.c.
12304 (init_decl_processing): Don't add current_function_decl as a ggc
12306 * dbxout.c (dbxout_symbol): Change return type to int.
12307 (dbxout_symbol_location, dbxout_syms): Likewise.
12308 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
12309 any locals. Use current_function_func_begin_label if set.
12310 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
12311 * dwarf2out.c (dwarf2out_begin_prologue): Set
12312 current_function_func_begin_label.
12313 * final.c (final_start_function): Reset it.
12314 * toplev.c (current_function_decl): Define it here.
12315 (current_function_func_begin_label): New variable.
12316 (main): Add both as ggc roots.
12317 * tree.h (current_function_func_begin_label): Declare.
12319 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12321 * gcse.c: Cleanups throughout: mostly white-space, but also
12322 some minor rearrangement of code.
12324 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
12326 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
12327 returns a PARALLEL. Use emit_group_load and use_group_regs
12329 (emit_library_call_value): Similarly.
12331 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
12332 * pa/quadlib.asm: Remove.
12333 * pa/quadlib.c: New file.
12335 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
12336 * configure: Rebuilt.
12338 2000-02-29 Philip Blundell <pb@futuretv.com>
12340 * config/arm/conix-elf.h: New file.
12341 * configure.in (arm*-*-conix*): New configuration.
12342 * configure: Regenerate.
12344 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
12346 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
12347 don't have TREE_ASM_WRITTEN set.
12349 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12351 * Eliminate DECL_FIELD_SIZE.
12352 * builtins.c (built_in_class_names, built_in_names): New variables.
12353 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
12354 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
12355 DECL_SIZE, not DECL_FIELD_SIZE.
12356 * print-tree.c (print_node): Remove code that prints extra blank
12357 lines in some cases.
12358 Properly handle inline and builtin function cases.
12359 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
12360 * tree.h (built_in_class_named, built_in_names): New declarations.
12361 (union tree_decl): Rename internal unions to u1 and u2 and change
12362 some of their components.
12363 Add new field built_in_class.
12364 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
12365 Reflect above changes.
12366 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
12367 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
12368 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
12369 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
12371 2000-02-28 Dmitri Makarov <dim@windriver.com>
12373 * extend.texi: Document ARM's support for long/short calls.
12375 * invoke.texi: Document ARM's -mlong-calls command line switch.
12377 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
12378 (arm_encode_call_attribute): Add prototype.
12379 (arm_set_default_type_attribute): Add prototype.
12380 (arm_strip_name_encoding): Add prototype.
12382 * config/arm/arm.c (arm_init_cumulative_args): replace
12383 initialisation og 'long_calls' field with initialisation of
12384 'call_cookie' field.
12385 (enum arm_pragma_enum): New enum.
12386 (arm_pragma_long_calls): New static variable.
12387 (arm_process_pragma): Also process "#pragma long_calls_off".
12388 (arm_valid_type_attribute_p): Accept short_call attribute.
12389 (arm_comp_type_attributes): Check long/short call attributes.
12390 (arm_encode_call_attribute): New function: Encode long_call
12391 or short_call attribute in function name.
12392 (arm_set_default_type_attributes): New function: Assign
12393 default attributes to newly defined type.
12394 (current_file_function_operand): New function: Return true if
12395 the symbol is a function which has already been compiled.
12396 (arm_is_longcall_p): New function: Return true if the
12397 indicated function should be called via a long call.
12398 (arm_get_strip_length): New function. Returns number of
12399 prefix characters to be stripped from a function's name.
12400 (arm_strip_name_encoding): New function. Strip prefix characters
12401 from a function's name.
12403 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
12404 with 'call_cookie'.
12405 (SHORT_CALL_FAG_CHAR): Define.
12406 (LONG_CALL_FAG_CHAR): Define.
12407 (ENCODED_SHORT_CALL_ATTR_P): Define.
12408 (ENCODED_LONG_CALL_ATTR_P): Define.
12409 (ARM_NAME_ENCODING_LENGTHS): Define.
12410 (STRIP_NAME_ENCODING): Define.
12411 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
12412 (ARM_ENCODE_CALL_TYPE): Define.
12413 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
12414 (ARM_DECLARE_FUNCTION_SIZE): Define.
12415 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
12417 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
12418 if a long call is needed.
12419 (call_value): Ditto.
12420 (call_symbol): Ditto.
12422 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
12423 ARM_DECLARE_FUNCTION_SIZE.
12425 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
12426 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
12427 (ARM_STRIP_NAME_ENCODING): Undefine.
12428 (STRIP_NAME_ENCODING): Undefine.
12429 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
12430 (ASM_DECLARE_FUNCTION_NAME): Ditto.
12431 (ASM_OUTPUT_COMMON): Ditto.
12432 (ASM_DECLARE_OBJECT_NAME): Ditto.
12434 * config/arm/pe.c (arm_dllexport_name_p): Check for
12436 (arm_dllimport_name_p): Ditto.
12437 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
12438 (arm_mark_dllimport): Ditto.
12440 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12442 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
12444 2000-02-28 Mark Mitchell <mark@codesourcery.com>
12446 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
12448 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
12450 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
12451 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
12452 NO_BUILTIN_WCHAR_TYPE is not defined.
12453 (CPP_WCHAR_TYPE): Delete.
12454 * cccp.c (main): Don't change wchar_type if cplusplus.
12455 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
12457 2000-02-28 Nick Clifton <nickc@cygnus.com>
12459 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
12461 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
12463 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
12464 (ASM_WEAKEN_LABEL): Define.
12466 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
12468 * expr.c (store_constructor): Do not emit USE.
12469 * rtl.h (stupid_life_analysis): Remove.
12471 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12473 * function.c (number_blocks): Reset next_block_index based on
12474 what debugging format is used, not what is defined.
12476 * lcm.c: Minor reformatting throughout.
12477 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
12479 * toplev.c (rest_of_compilation): Account for time in
12480 optimize_mode_switching.
12482 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
12483 if only marking labels.
12485 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
12487 * calls.c (expand_call): Attempt to combine stack adjustments with
12488 pending stack adjustments.
12490 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12492 * loop.c (reg_in_basic_block_p): Don't abort when falling through
12493 to the end of the function.
12495 2000-02-27 Mark Mitchell <mark@codesourcery.com>
12497 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
12499 * final.c (next_block_index): Remove.
12500 (max_block_depth): Likewise.
12501 (pending_blocks): Likewise.
12502 (init_final): Don't initialize them.
12503 (final_start_function): Don't set next_block_index. Set up
12505 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
12506 * function.h (number_blocks): New function.
12507 * function.c (get_block_vector): New function.
12508 (identify_blocks): Use it.
12509 (reorder_blocks): Set NOTE_BLOCK.
12510 (number_blocks): New function.
12511 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
12512 * tree.h (BLOCK_NUMBER): New macro.
12513 (tree_block): Add block_num field.
12514 * dbxout.c (next_block_number): Remove.
12515 (dbxout_init): Don't set it.
12516 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
12517 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
12519 * toplev.c (rest_of_compilation): Always call
12520 find_loop_tree_blocks. Fix indentation.
12521 * dwarf2out.c (next_block_number): Remove.
12522 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
12523 to determine block numbers.
12524 (gen_inlined_subroutine_die): Likewise.
12525 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
12526 (decls_for_scope): Don't increment next_block_number.
12527 * dwarfout.c (next_block_number): Remove.
12528 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
12529 to determine block numbers.
12530 (output_inlined_subroutine_die): Likewise.
12531 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
12532 (output_decls_for_scope): Don't increment next_block_number.
12533 * sdbout.c (next_block_number): Remove.
12534 (sdbout_block): Use BLOCK_NUMBER.
12535 (sdbout_begin_block): Simplify.
12536 * xcoffout.c (next_block_number): Remove.
12537 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
12538 (xcoffout_begin_block): Don't set next_block_number.
12539 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
12542 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12544 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
12545 (expand_builtin_strcpy): Pass correct type to size_binop.
12546 (expand_builtin_strcmp): Likewise.
12547 Clean up conditional structure.
12548 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
12549 (complete_array_type): Don't use size_binop for MAXINDEX.
12550 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
12551 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
12552 (c_alignof): Use size_one_node.
12553 (build_unary_op): Pass arg of proper type to size_binop.
12554 (really_start_incremental_init, push_init_level): Use sizetype for
12555 constructor{,_bit,_unfilled}_index.
12556 (pop_init_label, output_init_element): Likewise.
12557 (output_pending_init_elements, process_init_element): Likewise.
12558 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
12559 * expr.c (store_expr): Use size_int.
12560 (store_constructor): Use proper types for size_binop args.
12561 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
12562 (expand_expr_unaligned): Likewise.
12563 (string_contant): Return object of sizetype.
12564 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
12565 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
12566 (ARGS_SIZE_TREE): Pass proper types to size_binop.
12567 * fold-const.c (int_const_binop): Refine when size_int is called.
12568 (fold_convert): Likewise.
12569 (size_int_wide): Rework to take KIND as arg, only take low order
12570 bits, handle new sizetype_tab datatype, and chain entries in
12572 (size_int_type_wide): New function.
12573 (size_binop): Validate types of arguments.
12574 (ssize_binop): Deleted.
12575 (size_diffop): New function.
12576 (extract_muldiv): Only fold division into multiplication for sizetypes.
12577 * function.c (assign_parms): Use size_diffop and make sure
12578 VAR field is of ssizetype; also pass proper type to size_binop.
12579 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
12580 (round_down): Deleted from here.
12581 * store-layout.c (sizetype_tab): Now an array.
12582 (sizetype_set, early_root_list): New variables.
12583 (variable_size): Use size_one_node.
12584 (round_up): Pass proper type to size_binop.
12585 (round_down): Moved to here and corrected as above.
12586 (layout_record): Pass proper arg types to size_binop.
12587 (layout_type): Likewise.
12588 If sizetype_set is zero, record the type just laid out.
12589 (make_unsigned_type): Don't call set_sizetype;
12590 (make_signed_type): Likewise; also, call fixup_signed_type.
12591 (initialize_sizetypes): New function.
12592 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
12593 set name of bitsizetype to "bit_size_type".
12594 Fix up type of sizes of all types made before call.
12595 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
12596 * tree.c (fix_sizetype): Deleted.
12597 (build_common_tree_nodes): Call initialize_sizetypes.
12598 (build_common_tree_nodes_2): Don't call fix_sizetype.
12599 * tree.h (TYPE_IS_SIZETYPE): New macro.
12600 (initialize_sizetype): New declaration.
12601 (enum size_type_kind): New type.
12602 (struct sizetype_tab): Deleted.
12603 (sizetype_tab): Now array; adjust sizetype macros.
12604 (size_diffop, size_int_type_wide): New functions.
12605 (size_int_wide): Change number of args and type; access macros changed.
12606 (ssize_int, sbitsize_int): New macros.
12607 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
12608 (ROUND_TYPE_SIZE_UNIT): New macro.
12610 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
12612 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
12614 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12616 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
12617 Mark as possibly unused.
12619 * cse.c (cse_insn): Delete dead code involving tablejump.
12620 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
12622 * Makefile.in (libcpp.a): Start by deleting it.
12624 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12626 * cpplib.h (enum file_change_code): Added rename_file.
12627 * cpplib.c (do_line): If a filename is given, set file_change to
12629 (output_line_command): If file_change is rename_file, always
12630 output a # directive with the file name.
12632 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
12634 2000-02-26 Mark Mitchell <mark@codesourcery.com>
12636 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
12637 when copying a PARM_DECL or RESULT_DECL.
12639 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12641 * fix-header.c (recognized_function): Also fix prototypes for
12642 functions taking "void".
12644 2000-02-26 Geoff Keating <geoffk@cygnus.com>
12646 * reload1.c (do_output_reload): Check reg_reloaded_valid before
12647 looking at reg_reloaded_contents.
12649 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
12651 * Makefile.in (STMP_FIXINC): New toggle.
12652 (LIBGCC2_DEPS): Delete all references.
12653 (stmp-headers): Delete target. All references either deleted
12654 or changed to stmp-int-headers.
12655 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
12656 (LIBCPP_OBJS): Take out cppalloc.o.
12657 (cppalloc.o): Delete target.
12658 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
12659 (gen-protos, fix-header): Link with libiberty.a.
12660 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
12663 * configure.in: Remove refs to strerror.
12664 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
12665 * system.h: Take out strerror stanza.
12667 * cpperror.c (my_strerror): Delete function.
12668 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
12669 * cppmain.c (main): Call xmalloc_set_program_name first thing.
12670 * cppalloc.c: Delete file.
12671 * gen-protos.c: Don't provide xrealloc.
12673 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
12674 xstrerror throughout.
12676 2000-02-26 Bruce Korb <bkorb@gnu.org>
12678 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
12679 match for DOS headers, too.
12680 * fixinc/inclhack.sh,fixincl.x: Regenerate.
12682 2000-02-26 Geoff Keating <geoffk@cygnus.com>
12684 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
12685 is right for most ELF targets.
12686 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
12687 Let the default file use %U properly.
12688 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
12691 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
12694 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12696 * toplev.c (documented_lang_options): Correct spelling error.
12697 (decode_d_option, decode_f_option, main): Likewise.
12699 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
12701 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
12702 to tell assembler it is permitted to expand large constants.
12704 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
12706 * protoize.c: (AUX_INFO_SUFFIX): New macro.
12707 (aux_info_suffix): Use.
12708 (SAVE_SUFFIX): New macro.
12709 (save_suffix): Use.
12710 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
12711 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
12712 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
12714 * invoke.texi (Running Protoize): Update documentation.
12716 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
12718 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
12720 2000-02-25 John Wehle (john@feith.com)
12722 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
12724 2000-02-25 Anthony Green <green@cygnus.com>
12726 * toplev.c (rest_of_compilation): Rebuild jump labels if
12727 combine_instructions has created a new direct jump.
12728 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
12730 (combine_instructions): Call try_combine with new argument.
12731 Return non-null value when new direct jump instruction is created.
12732 * rtl.h: combine_instructions returns an int.
12734 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
12736 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
12737 jump when changing a computed jump into a jump to a known
12740 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
12742 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
12743 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
12745 * i386.md (define_expand "clrstrsi"): Fix typo.
12747 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
12749 * rtl.texi: Fix typo.
12751 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12753 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
12754 UNITS_PER_WORD. Change caller initial_elimination_offset.
12755 (rounded_frame_size): Take into account that argument pushed has
12756 changed. Fix TARGET_ALIGN_DOUBLE problem.
12758 2000-02-25 Geoff Keating <geoffk@cygnus.com>
12760 * haifa-sched.c (schedule_block): Explain the real reason
12761 we delete REG_SAVE_NOTEs on the first insn of a block.
12762 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
12764 2000-02-24 Mark Mitchell <mark@codesourcery.com>
12766 * input.h (push_srcloc): New function.
12767 (pop_srcloc): Likewise.
12768 * toplev.c (push_srcloc): Define it.
12769 (pop_srcloc): Likewise.
12771 2000-02-24 Richard Henderson <rth@cygnus.com>
12773 * flow.c (life_analysis): When collecting reg info, clear
12776 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12778 Fix bug exposed by reload.c no longer rounding the frame
12779 size to BIGGEST_ALIGNMENT:
12780 * sh.c (rounded_frame_size): New function.
12781 (sh_expand_prologue, sh_expand_epilogue): Use it.
12782 (initial_elimination_offset): Likewise.
12784 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12786 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
12787 * sh-protos.h (sh_need_epilogue): Declare.
12788 * sh.c (sh_need_epilogue_known): New static variable.
12789 (sh_need_epilogue): New function.
12790 (function_epilogue): Clear need_epilogue_known.
12791 * sh.md (return): Split into expander / insn pattern.
12792 Make the expander conditional on ! sh_need_epilogue ().
12794 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
12796 * machmode.h (get_mode_alignment): Declare.
12797 (GET_MODE_ALIGNMENT): Call it.
12798 * stor-layout.c (get_mode_alignment): New function. Make
12799 sure alignment is always power of 2.
12801 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
12803 * i386.h: Remove useless definition of "I386" and misleading
12806 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
12808 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
12809 under which TREE_PERMANENT will be set.
12810 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
12811 build1): Use TREE_SET_PERMANENT.
12812 * print-tree.c (print_node): Don't report value of
12813 TREE_PERMANENT if ggc_p is true.
12815 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
12816 decide whether to give a type a new alias set.
12817 * objc/objc-act.c (build_objc_string_object): Never copy the string.
12818 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
12819 of value of 'obstack'.
12822 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12824 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
12826 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12828 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
12829 * cpplib.c (cpp_get_token): Produce them.
12830 * cppexp.c (cpp_lex): Handle them.
12832 2000-02-23 Nick Clifton <nickc@cygnus.com>
12834 * config/arm/arm.c (arm_comp_type_attributes): Simply and
12835 comment tests on type attributes.
12837 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12839 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
12840 conform to documentation.
12841 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
12842 to check for special cases.
12843 * sh-protos.h (sh_loop_align): Declare.
12844 * sh.c (sh_loop_align): Define.
12846 2000-02-22 Andrew Haley <aph@cygnus.com>
12848 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
12849 (SIZE_TYPE): Is 32 bits when using -mgp32.
12850 (PTRDIFF_TYPE): Ditto.
12852 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12854 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
12856 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
12858 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
12859 BIGGEST_FIELD_ALIGNMENT a constant.
12861 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
12863 * dwarf2out.c (output_line_info): Put the marker for the end of
12864 the line number info at the actual end.
12865 (gen_struct_or_union_type_die): Use decl_function_context
12866 to check for local classes.
12867 * dwarfout.c (output_type): Likewise.
12869 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
12871 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
12872 for arguments with a mode, but no type.
12873 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
12874 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
12875 * pa/long_double.h: New file.
12876 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
12877 both have 128bit wide long doubles.
12878 * configure: Rebuilt.
12880 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12882 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
12884 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
12885 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
12886 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
12888 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
12890 * integrate.c (compare_blocks, find_block): Likewise.
12892 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
12894 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
12896 * stmt.c (stmt_status, set_file_and_line_for_stmt,
12897 expand_asm_operands): Likewise.
12899 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
12901 * predict.c (estimate_probability): Added the pointer heuristic to
12902 the collection of static branch predictors.
12904 2000-02-21 Catherine Moore <clm@cygnus.com>
12906 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
12907 * invoke.texi (-mfix7000): Document.
12909 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
12911 * diagnostic.c (init_output_buffer): Make it possible to output at
12912 least 32 characters if we're given a too long prefix.
12914 2000-02-20 Mark Mitchell <mark@codesourcery.com>
12916 * varasm.c (initializer_constant_valid_p): Call
12917 lang_expand_constant to simplify the constant.
12919 2000-02-20 Bruce Korb <bkorb@gnu.org>
12921 * fixinc/inclhack.def(stdio_va_list):
12922 typedef needs to be disabled.
12923 * fixinc/inclhack.sh: regen
12924 * fixinc/fixincl.x: regen
12926 2000-02-20 Geoff Keating <geoffk@cygnus.com>
12928 * print-rtl.c (print_rtx): Don't print addresses when
12929 flag_dump_unnumbered.
12931 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12933 * sparc.c (sparc_output_scratch_registers): Mark parameter with
12935 (sparc_va_arg, sparc_flat_output_function_prologue,
12936 sparc_flat_output_function_epilogue): Cast value to unsigned in
12938 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
12940 * sparc.md: Add default case in switch.
12942 2000-02-19 Richard Henderson <rth@cygnus.com>
12944 * c-typeck.c (add_pending_init): Don't abort for multiple
12945 fields at the same offset.
12946 (pending_init_member): Test the correct member.
12948 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12950 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
12952 (start_catch_handler) : Same.
12954 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
12956 * Makefile.in: Have flow.o depend on $(EXPR_H)
12958 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12960 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
12961 * c-decl.c (duplicate_decls, finish_enum): Likewise.
12962 (finish_decl): Remove -Wlarger-than code from here.
12963 * flags.h (id_clash_len): Now int.
12964 (larger_than_size): Now HOST_WIDE_INT.
12965 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
12966 Clean up checking to see if in table.
12967 (make_bit_field_ref): Remove extra parm to bitsize_int.
12968 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
12969 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
12970 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
12971 and for computing size of decl.
12972 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
12973 Move -Wlarger-than code to here.
12974 (layout_record): Remove extra arg to bitsize_int.
12975 Set TYPE_BINFO_SIZE_UNIT.
12976 (layout_union): Remove extra arg to bitsize_int.
12977 Use proper type for size of QUAL_UNION.
12978 (layout_type): Remove extra arg to bitsize_int.
12979 * toplev.c (id_clash_len): Now int.
12980 (larger_than_size): Now HOST_WIDE_INT.
12981 (decode_W_option): Clean up id-clash and larger-than- cases.
12982 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
12983 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
12984 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
12985 (struct tree_decl): New field size_unit.
12986 (size_int_wide): No HIGH operand; NUMBER is now signed.
12987 (size_int_2): Deleted.
12988 (size_int, bitsize_int): Don't use it and rework args.
12989 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
12991 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
12993 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
12995 2000-02-18 Geoff Keating <geoffk@cygnus.com>
12997 * invoke.texi (Warning Options): Add an explanation of why
12998 you might want the -Wfloat-equal flag.
13000 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13002 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
13003 * cppinit.c (new_pending_define): Add cast to avoid warning.
13004 * expmed.c (extract_bit_field): Likewise.
13005 * flow.c (enum reorder_skip_type): New type.
13006 (skip_insns_between_blcok): New it.
13007 Rework to avoid warning about possibly undefined variable.
13008 * function.c (assign_parms): Make thisparm_boundary unsigned.
13009 * genrecog.c (write_switch): Cast XWINT result to int.
13010 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
13011 * mips-tfile.c (init_file): Make two versions of FDR intializer:
13012 one for MIPS and one for Alpha.
13013 (get_tag, copy_object): Add casts to avoid warnings.
13014 * optabs.c (init_one_libfunc): Cast NAME to (char *).
13015 * reload.c (find_reloads): Make TYPE enum reload_type.
13016 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
13017 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
13018 * varasm.c (compare_constant_1): Add cast to avoid warning.
13019 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
13021 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
13022 Cast switch operand of size to int.
13023 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
13024 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
13027 2000-02-18 Nick Clifton <nickc@cygnus.com>
13029 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
13030 anything for an alignment of zero.
13032 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
13033 anything for an alignment of zero.
13035 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
13037 * gcc.texi (Bug Reporting): Refer to bugs.html.
13038 (Bug Lists): Likewise.
13039 * system.h (GCCBUGURL): New preprocessor define.
13040 * rtl.c (fancy_abort): Use it.
13041 * gcc.c (main): Likewise.
13043 2000-02-18 Richard Henderson <rth@cygnus.com>
13045 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
13046 (life_analysis_1): Subsume into ...
13047 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
13048 Use update_life_info for the relaxation.
13049 (update_life_info): Update REG_BASIC_BLOCK for registers live on
13050 entry and regs_live_at_setjmp.
13051 (set_noop_p): Simplify.
13052 (notice_stack_pointer_modification_1): Renamed from s/_1//.
13053 (record_volatile_insns): Split into ...
13054 (delete_noop_moves): ... here,
13055 (notice_stack_pointer_modification): ... here,
13056 (insn_dead_p): ... and here.
13057 (propagate_block): Don't query INSN_VOLATILE.
13058 (mark_used_regs): Mind !PROP_REG_INFO.
13059 * toplev.c (rest_of_compilation): Call mark_constant_function here,
13060 not in life_analysis.
13062 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
13064 * loop.c (canonicalize_condition): New function,
13065 broken out of get_condition.
13066 (get_condition): Use it.
13067 * expr.h (canonicalize_condition): Prototype it.
13069 * tree.h (tree_int_cst_msb): Declare.
13070 * tree.c (tree_int_cst_msb): New function.
13072 2000-02-17 Mark Mitchell <mark@codesourcery.com>
13074 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
13077 * invoke.texi (-fmessage-length=n): Document.
13079 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
13081 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
13083 2000-02-17 Mark Mitchell <mark@codesourcery.com>
13085 * function.c (thread_prologue_and_epilogue_insns): Put a line note
13086 after the prologue.
13088 2000-02-17 Nick Clifton <nickc@cygnus.com>
13090 * config/arm/thumb.c: Replace includes of system headers with
13091 #include "system.h".
13093 2000-02-16 Richard Henderson <rth@cygnus.com>
13095 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
13096 Add crtbeginS.o and crtendS.o.
13097 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
13098 (ENDFILE_SPEC): Use crtendS.o.
13099 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
13101 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
13102 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
13103 shared and present.
13104 (__dso_handle): New variable.
13105 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
13106 bias to __CTOR_END__.
13108 2000-02-16 Richard Henderson <rth@cygnus.com>
13110 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
13112 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
13114 * longlong.h (__clz_tab): Declare as static to match definition.
13116 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
13118 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
13119 (XREF_FILE_NAME): Define.
13121 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
13122 (EH_FRAME_SECTION_ASM_OP): Define.
13123 (IDENT_ASM_OP): Define.
13124 (TEXT_SECTION_ASM_OP): Define.
13125 (CPP_SPEC): Define.
13126 (CTORS_SECTION_ASM_OP): Define.
13127 (CTOR_SECTION_FUNCTION): Use it.
13128 (DTORS_SECTION_ASM_OP): Define.
13129 (DTOR_SECTION_FUNCTION): Use it.
13131 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
13133 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
13136 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
13137 debug_bb_n): New functions.
13138 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
13139 * basic-block.h: Prototype new functions.
13141 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
13143 * configure.in: Add support for avr target.
13144 * configure: Rebuilt.
13146 * invoke.texi: Add AVR invocation docs.
13147 * install.texi: Add information about AVR.
13148 * md.texi: Add AVR constraint letters description.
13149 * extend.texi: Add description for AVR specific attributes.
13151 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
13153 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
13155 2000-02-16 Nick Clifton <nickc@cygnus.com>
13157 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
13158 (make_insn_raw): Move RTL check here.
13160 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13162 * version.c: Include gansidecl.h and version.h.
13164 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
13166 * configure.in (gcc_version): When setting, narrow search to
13167 lines containing `version_string'.
13169 * Makefile.in (mainversion): Likewise.
13170 (GCC_H): New variable.
13171 (gcc.h): Delete target.
13172 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
13173 (version.o): Depend on version.h.
13174 (dbxout.o): Don't depend on gcc.h.
13176 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
13177 Michael Meissner <meissner@cygnus.com>
13179 * md.texi (Simple Constraints): Add item about whitespace.
13180 * genoutput.c (strip_whitespace): New.
13181 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
13182 strip_whitespace for constraints.
13183 Test pointer using NULL, not 0.
13185 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13187 * cpplib.c (do_line): Pedwarn for #line > 32767.
13189 * c-lex.c (readescape): Warn about '\x', but do not reject it.
13191 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
13193 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
13194 to default cpp spec.
13195 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
13196 * cpp.texi: Document __GNUC_PATCHLEVEL__.
13199 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
13202 2000-02-15 Denis Chertykov <denisc@overta.ru>
13204 * configure.in: Add support for avr target.
13206 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13208 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
13209 (sh_addr_diff_vec_mode): Don't declare.
13210 * sh.c (sh_addr_diff_vec_mode): Delete.
13212 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13214 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
13216 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13218 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
13219 (smulsi3_highpart_i): Name.
13220 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
13221 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
13222 (smulsi3_highpart, umulsi3_highpart): Likewise.
13224 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
13225 correctly independent of endianness.
13226 (mulsidi3, umulsidi3): Now define_insn. Hide details that
13227 confuse the optimizers.
13228 (mulsidi3+1, umulsidi3+1): New define_split.
13230 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
13232 * config/sh/sh.md: Guard insn splits against illegal registers.
13233 * config/sh/sh.h: Correct comment about macros.
13235 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13236 Andrew MacLeod <amacleod@cygnus.com>
13238 * Makefile.in (lcm.o): Depend on insn-attr.h.
13239 * basic-block.h (optimize_mode_switching): Declare.
13240 * lcm.c (tm_p.h, insn-attr.h): #include.
13241 (seginfo, bb_info): New structs.
13242 (antic, transp, comp, delete, insert) : New file-scope static variables.
13243 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
13244 (reg_becomes_live, optimize_mode_switching): Likewise.
13245 * tm.texi: Add description of mode switching macros.
13246 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
13248 * sh-protos.h (remove_dead_before_cse): Remove prototype.
13249 (fldi_ok, fpscr_set_from_mem): New prototypes.
13250 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
13251 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
13252 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
13253 (sh_flag_remove_dead_before_cse): Remove declaration.
13254 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
13255 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
13256 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
13257 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
13258 (barrier_align): Allow for JUMP_INSNS containing a parallel.
13259 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
13260 (fldi_ok): New function.
13261 (get_fpscr_rtx): Add fpscr_rtx as GC root.
13262 (emit_sf_insn): Only generate fpu switches when optimize < 1.
13263 (emit_df_insn): Likewise.
13264 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
13265 (sh_flag_remove_dead_before_cse): Delete.
13266 (get_free_reg, fpscr_set_from_mem): New functions.
13267 * sh.md (movdf, movsf): Remove no_new_pseudos code.
13268 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
13270 2000-02-15 Loren Rittle <ljrittle@acm.org>
13272 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
13274 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13276 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
13277 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
13279 * cccp.c: Include version.h and/or don't declare `version_string'.
13280 * collect2.c: Likewise.
13281 * alpha.c: Likewise.
13282 * arm/aof.h: Likewise.
13283 * arm/coff.h: Likewise.
13284 * arm/elf.h: Likewise.
13285 * arm/pe.h: Likewise.
13286 * arm/tcoff.h: Likewise.
13287 * arm/telf.h: Likewise.
13288 * arm/tpe.h: Likewise.
13289 * arm/vxarm.h: Likewise.
13290 * convex/convex.c: Likewise.
13291 * i386/dgux.c: Likewise.
13292 * i386/sun386.h: Likewise.
13293 * m88k/m88k.c: Likewise.
13294 * mcore/mcore-pe.h: Likewise.
13295 * mips/mips.h: Likewise.
13296 * romp/romp.h: Likewise.
13297 * sh/sh.c: Likewise.
13298 * cpphash.c: Likewise.
13299 * cppinit.c: Likewise.
13300 * dwarf2out.c: Likewise.
13301 * dwarfout.c: Likewise.
13304 * mips-tfile.c: Likewise.
13305 * protoize.c: Likewise.
13306 * toplev.c: Likewise.
13307 * tree.h: Likewise.
13309 * version.c (version_string): Constify a char*.
13311 * version.h: New file.
13313 2000-02-14 Nick Clifton <nickc@cygnus.com>
13315 * configure.in: Add mcore-elf and mcore-pe targets.
13316 * configure: Regenerate.
13318 * NEWS: Add note that MCore port has been contributed.
13320 * invoke.texi: Document command line switches for MCore port.
13321 * install.texi: Add MCore to list of supported targets.
13323 2000-02-14 Geoff Keating <geoffk@cygnus.com>
13325 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
13326 then we will need to import the frame handling functions.
13327 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
13328 to import the frames themselves.
13330 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
13331 Jason Eckhardt <jle@cygnus.com>
13333 * basic_block.h: Added prototype for reorder_basic_blocks.
13334 * toplev.c: Changes to add -freorder-blocks and graph dump after
13335 block reordering is done.
13336 * flow.c (reorder_block_def): New structure for use during block
13338 (REORDER_BLOCK_*): New macros to access members of above structure.
13339 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
13340 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
13341 functions for block reordering.
13343 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
13345 * gcc.texi (Passes): Fix typo.
13346 * md.texi (Standard Names): Ditto.
13347 * tm.texi (Storage Layout): Ditto.
13349 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
13351 * cpplib.c (do_define): Only free the old definition if it
13354 2000-02-13 Neil Booth <NeilB@earthling.net>
13356 * cppfiles.c (read_and_prescan): When emitting deferred
13357 newlines, test speccase[] again instead of checking each
13358 possible whitespace character in turn. When we encounter \r,
13359 look behind for \n first, then ahead.
13361 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
13363 * cse.c (cse_altered): New internal flag.
13364 (cse_insn): Set it if we changed an insn.
13365 (cse_main): Clear cse_altered before each basic block.
13366 Only garbage collect if cse_altered is true afterward.
13368 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13370 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
13372 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
13374 * combine.c (simplify_comparison): Fix typo.
13376 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
13378 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
13381 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13383 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
13384 previously inserted node instead of root node. Caller changed.
13386 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13388 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
13390 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13392 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
13393 __dereg_frame_dtor): Add prototype argument.
13395 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
13397 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
13399 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
13401 * gthr-vxworks.h (__gthread_once): Likewise.
13403 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
13405 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
13407 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
13408 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
13409 stack pointer in functions w/o saved registers, output LEAVE more often
13410 on TARGET_USE_LEAVE machines.
13412 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
13414 * config/arm/arm.c (arm_init_cumulative_args); New function:
13415 Initlaise the CUMULATIE_ARGS strcuture for a function
13417 (arm_function_arg): New function: Determine where to place a
13418 function's argument. Also handles deciding the function's
13420 (current_file_function_operand): New function: Return true if
13421 the symbol is a function which has already been compiled.
13422 (arm_is_long_call_p): New function: Return true if the
13423 indicated function should be called via a long call.
13424 (arm_valid_type_attribute_p): New function: Return true if the
13425 attribute is a valid, arm specific, attribute.
13426 (arm_comp_type_attribute): New function: Return true if the
13427 two types have compatable, arm specific, attributes.
13429 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
13431 (FUNCTION_ARG): Redefine to call arm_function_arg.
13432 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
13434 (INIT_CUMULATIVE_ARGS): Redefine to call
13435 arm_init_cumulative_args.
13436 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
13438 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
13440 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
13442 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
13443 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
13444 (COMP_TYPE_ATTRIBUTES): Define.
13446 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
13447 if a long call is needed.
13448 (call_value): Call arm_is_long_call_p to decide if a long call
13450 (call_symbol): Call arm_is_long_call_p to decide if a long call
13453 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
13455 2000-02-11 Denis Chertykov <denisc@overta.ru>
13457 * README.AVR: New file with information about the avr ports.
13458 * config/avr: New directory with avr port files.
13460 2000-02-11 Andreas Jaeger <aj@suse.de>
13462 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
13464 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
13466 * cpphash.c: Fix formatting, update commentary.
13467 (dump_definition): Take three separate arguments instead of a
13468 MACRODEF structure argument.
13469 * cpphash.h: Update prototype of dump_definition.
13470 * cppinit.c (cpp_finish): Update call of dump_definition.
13472 * cpplib.c (do_define): Always create new hash entry with
13473 T_MACRO type. Remove redundant check for redefinition of
13474 poisoned identifier. Update call of dump_definition.
13475 (do_undef): Don't call check_macro_name. Rename sym_length to
13477 (do_error, do_warning): Don't use copy_rest_of_line or
13479 (do_warning): Don't use pedwarn for the actual warning,
13480 only the notice about its not being in the standard. (Fixes
13481 bug with #warning in system headers.)
13482 (do_ident): Stricter argument checking - accept only a single
13483 string after #ident. Also, macro-expand the line.
13484 (do_xifdef): Use cpp_defined. De-obfuscate.
13486 (do_pragma): Split out specific pragma handling to separate
13487 functions. Use get_directive_token. Update commentary. Do
13488 not pass on #pragma once or #pragma poison to the front end.
13489 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
13490 do_pragma_default): New.
13492 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
13494 * jump.c (jump_optimize_1): The first operand in a relational
13495 can be a CONST_INT.
13496 * optabs.c (emit_conditional_move): Handle relationals which
13497 have a known true/false result.
13499 2000-02-11 Geoff Keating <geoffk@cygnus.com>
13501 * function.c (thread_prologue_and_epilogue_insns): Don't insert
13502 a RETURN insn into a block which already ends with a jump.
13504 2000-02-11 Geoff Keating <geoffk@cygnus.com>
13506 * haifa-sched.c (BUF_LEN): Increase a lot.
13508 2000-02-11 Nick Clifton <nickc@cygnus.com>
13510 * configure.in: Add tm_p_file specification for thumb targets.
13511 * configure: Regenerate.
13513 * config/arm/thumb-protos.h: New file: Prototypes for exported
13514 functions defined in thumb.c.
13516 2000-02-11 Robert Lipe <robertl@sco.com>
13518 * Makefile.in (bootstrap-lean): Remove additional files.
13519 (bootstrap2-lean): Likewise.
13520 (VOL_FILES): List of files for above.
13522 2000-02-11 Nathan Sidwell <nathan@acm.org>
13524 * cpphash.c (special_symbol): Remove spurious argument to
13527 2000-02-11 Joel Sherrill (joel@OARcorp.com>
13529 * configure.in: (i*86-*-rtems*): Swapped elf and coff
13531 * configure: Rebuilt.
13533 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
13535 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
13537 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
13539 * pa.c, pa.h: Remove trigraph sequences within comments.
13541 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
13543 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
13545 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
13547 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
13549 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13551 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
13553 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13555 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
13556 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
13557 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
13558 (ASM_FILE_END): Use c4x_file_end.
13559 * config/c4x/c4x.c (c4x_global_label): New function.
13560 (c4x_external_ref, c4x_file_end): Likewise.
13562 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
13563 (c4x_external_ref, c4x_end_file): Likewise.
13565 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
13567 * cppexp.c: Don't include cpphash.h.
13568 (parse_charconst, cpp_lex): Use cpp_defined.
13569 (cpp_lex): Use get_directive_token throughout. Remove
13570 unnecessary cases from switch. Move assertion-handling code
13571 down to OTHER case.
13572 (cpp_parse_expr): If we see '+' or '-', check the context to
13573 determine if they are unary or binary operators. Streamline
13574 the jumps a bit. Do not call skip_rest_of_line.
13576 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
13577 static. Export get_directive_token. Update commentary.
13578 (cpp_defined): New function.
13579 (do_define): Remove reference to T_PCSTRING. Call
13580 free_definition to release memory for old definition, when
13581 redefining a macro.
13582 (eval_if_expression): Set only_seen_white to 0 before calling
13583 cpp_parse_expr. Call skip_rest_of_line after it returns.
13584 (cpp_read_check_assertion): Don't preserve a pointer into the
13585 token buffer across a call to cpp_get_token.
13587 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
13588 * cppfiles.c (redundant_include_p): Use cpp_defined.
13589 * cpphash.c (free_definition): New function.
13590 (delete_macro): Use it. Update commentary.
13591 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
13593 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
13594 from enum node_type. Prototype cpp_defined and get_directive_token.
13595 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
13597 * fix-header.c (check_macro_names): Use cpp_defined.
13598 (read_scan_file): Set inhibit_warnings and inhibit_errors in
13599 the options structure.
13601 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13603 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
13605 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
13607 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
13608 rather than die->die_tag.
13610 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13612 * combine.c (make_extraction, force_to_mode): Avoid warning on
13613 mixed-signedness conditionals.
13614 (make_field_assignment, nonzero_bits): Likewise.
13615 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
13616 (store_split_bit_field, extract_split_bit_field): Likewise.
13617 (extract_fixed_bit_field, store_bit_field,
13618 * expr.c: Change alignment to be unsigned everywhere.
13619 (move_by_pieces, store_constructor_field, store_constructor):
13620 Alignment parm is unsigned.
13621 (emit_block_move, emit_group_load, emit_group_store): Likewise.
13622 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
13623 (do_compare_rtx_and_jump): Likewise.
13624 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
13625 Compare align with GET_MODE_ALIGNMENT.
13626 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
13627 (get_inner_reference): Likewise.
13628 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
13629 (expand_assignment): Local vars for alignment now unsigned.
13630 (store_constructor, store_field, expand_expr, do_jump): Likewise.
13631 (do_compare_and_jump): Likewise.
13632 (store_field): Call new function expr_align.
13633 * expr.h (emit_block_move, emit_group_load, emit_group_store):
13634 Alignment arg now unsigned.
13635 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
13636 (do_compare_rtx_and_jump, store_bit_field): Likewise.
13637 (extract_bit_field): Likewise.
13638 * fold-const.c (add_double): Add cast to eliminate signedness warning.
13639 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
13640 (get_best_mode): Alignment arg is unsigned.
13641 * rtl.h (move_by_pieces): Likewise.
13642 * store-layout.c (maximum_field_alignment, set_alignment):
13644 (layout_decl): Alignment arg is now unsigned.
13645 Remove unneeded casts.
13646 (layout_record, layout_union, layout_type): Remove unneeded casts.
13647 Local alignment variables now unsigned.
13648 (get_best_mode): Alignment arg now unsigned.
13649 * tree.c (expr_align): New function.
13650 * tree.h (expr_align): Likewise.
13651 (maximum_field_alignment, set_alignment): Now unsigned.
13652 (get_inner_reference): Alignment argument is now pointer to unsigned.
13653 * varasm.c (assemble_variable): Add cast to eliminate warning.
13655 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
13657 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
13658 then store directly into op0.
13660 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
13661 the CALL_INSN, and emit the note immediately after it.
13663 2000-02-10 Nick Clifton <nickc@cygnus.com>
13665 * config/arm/thumb.md (epilogue): Include a (return) in the
13666 generated insn, and emit it using emit_jump_insn not
13669 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
13671 * function.c (assign_temp): Change zero-sized arrays to size 1.
13672 * integrate.c (expand_inline_function): Do not update
13673 stack_alignment_needed
13674 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
13675 add some sanity checking, remove optimization for function with
13678 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13680 * flow.c (mark_regs_live_at_end): Delete unused variables.
13682 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
13684 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
13685 in macro FRAME_GROWS_DOWNWARD.
13687 * stmt.c (expand_end_bindings): Delete unused variable.
13689 * unroll.c (iteration_info): Mark parameter `loop' with
13692 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13694 * fixinc/server.c (load_data): Return NULL if the marker line is
13696 (run_shell): If load_data returns NULL, retry the command once, in
13699 * configure: Rebuilt.
13701 2000-02-09 Bruce Korb <bkorb@gnu.org>
13703 * gcc/fixincludes: ** DELETED **
13704 * gcc/fixcpp: ** DELETED **
13705 * gcc/fixinc-nt.sed: ** DELETED **
13706 * gcc/just-fixinc: ** DELETED **
13707 * gcc/Makefile.in: Removed out-dated commentary
13708 * gcc/configure.in: Removed fast-fixincludes disablement.
13709 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
13711 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
13712 * function.c (thread_prologue_and_epilogue_insns): Uncomment
13715 2000-02-09 Richard Henderson <rth@cygnus.com>
13717 * jump.c (delete_insn): Don't delete user labels at -O0.
13719 2000-02-09 Robert Lipe <robertl@sco.com>
13721 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
13722 Don't link with HOST_LIBS.
13724 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
13726 * configure.in: Correct --help text for --with-dwarf2.
13727 Put tm-dwarf2.h after other tm files, if it's requested.
13728 * configure: Regenerate.
13729 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
13732 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
13734 * cpplib.h: Provide HASHNODE typedef and forward decl of
13735 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
13736 DEFINITION, struct hashnode, struct macrodef, struct
13737 definition, scan_decls prototype, default defn of
13738 INCLUDE_LEN_FUDGE moved elsewhere.
13740 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
13741 definition, and struct hashnode moved here. Remove the unused
13742 'predefined' field from struct definition. Replace the 'args'
13743 union with its sole member. All users updated (cpphash.c).
13744 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
13745 multiple include guard.
13747 * cpphash.c (hashf): Make static; use better algorithm; drop
13748 HASHSIZE parameter; return an unsigned int.
13749 (cpp_lookup): Drop HASH parameter. PFILE parameter is
13750 used. Calculate HASHSIZE modulus here.
13751 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
13753 (create_definition): Drop PREDEFINITION parameter.
13754 * cpplib.c (do_define): Don't calculate a hash value here.
13755 Don't pass (keyword == NULL) to create_definition.
13757 * scan.h: Prototype scan_decls here.
13758 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
13759 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
13760 callers of cpp_lookup and cpp_install updated.
13762 * cpphash.c (macarg): Hoist all the flag diddling out of the
13764 (macroexpand): ... and out of the loop that calls macarg.
13765 Skip over the initial paren before macro arguments with
13766 cpp_get_non_space_token; point may be some distance before
13767 that paren. Abort if it's not there.
13769 * cpplib.c (parse_clear_mark): Delete function.
13770 (parse_set_mark, parse_goto_mark): Make static.
13771 (ACTIVE_MARK_P): New macro.
13772 (skip_block_comment, skip_line_comment): Do not bump the line
13773 if ACTIVE_MARK_P is true.
13774 (cpp_pop_buffer): The buffer to be popped may not have an
13776 (cpp_get_token): When looking for the initial paren before
13777 macro arguments, only set a mark in a file buffer, Always
13778 return to that mark before proceeding to call macroexpand or
13779 return a NAME token.
13781 * cpplib.h: Remove prototypes of parse_set_mark,
13782 parse_clear_mark, parse_goto_mark.
13783 (struct cpp_options): Rename 'put_out_comments' to
13784 'discard_comments' and invert its sense.
13785 * cppinit.c, cpphash.c, cpplib.c: All users of
13786 put_out_comments changed to use discard_comments, with
13789 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
13791 * function.c (thread_prologue_and_epilogue_insns): Don't delete
13792 the edge from a block that both jumps and falls through to the
13795 2000-02-09 Scott Bambrough <scottb@netwinder.org>
13797 * config/arm/arm.md (movsi): In PIC mode, make sure that a
13798 constant source address is legitimate.
13800 2000-02-09 Philip Blundell <pb@futuretv.com>
13802 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
13805 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
13807 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
13809 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
13811 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
13812 ends with a newline and a NUL. Don't be so clever manipulating
13815 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
13817 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
13818 not to BIGGEST_ALIGNMENT.
13820 2000-02-08 Geoff Keating <geoffk@cygnus.com>
13822 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
13823 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
13824 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
13825 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
13826 * frame.c (execute_cfa_insn): Handle
13827 DW_CFA_GNU_negative_offset_extended.
13829 2000-02-08 Richard Henderson <rth@cygnus.com>
13831 * flow.c (tidy_fallthru_edges): Split out from ...
13832 (delete_unreachable_blocks): ... here.
13833 (find_basic_blocks): Use it.
13835 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13837 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
13839 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
13841 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
13842 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
13843 (fix-header.o): Don't depend on cpphash.h.
13845 * scan.c (hashstr): New function.
13846 * scan.h: Prototype it.
13847 * fix-header.c: Don't include cpphash.h. Use hashstr.
13848 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
13849 hashstr. Report hash table statistics. Add private
13850 definition of xrealloc.
13852 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13854 * i386.h (TARGET_SWITCHES): Fix typo in option name.
13856 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
13858 * function.c (thread_prologue_and_epilogue_insns): Don't replace
13859 jumps with returns unless they are jumps to the fallthru block.
13861 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
13863 * i386.md (addqi3_cc): Fix contraints.
13865 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
13867 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
13869 2000-02-07 Mark Mitchell <mark@codesourcery.com>
13871 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
13872 carriage return after a macro name.
13874 2000-02-07 Fred Fish <fnf@be.com>
13876 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
13877 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
13879 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
13881 * cppfiles.c (deps_output): Count spacers in deps_column.
13883 2000-02-07 Neil Booth <NeilB@earthling.net>
13885 * cppinit.c (initialize_dependency_output): If there is no
13886 suffix, don't try to look for known suffixes. Use strrchr.
13887 (cpp_start_read): Remove duplicate initialization.
13889 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
13891 * calls.c (compute_argument_block_size): New argument
13892 preferred_stack_boundary.
13893 (expand_call): update cfun->preferred_stack_boundary, update call of
13894 compute_argument_block_size
13895 (emit_library_call): Increate cfun->preferred_stack_boundary
13896 to PREFERRED_STACK_BOUNDARY
13897 (emit_library_call_value): Likewise.
13898 * explow.c (allocate_dynamic_stack_spave): Likewise.
13899 * function.c (prepare_function_start): Set
13900 cfun->preferred_stack_boundary
13901 * function.h (struct function): Add preferred_stack_boundary field.
13902 * integrate.c (expand_inline_function): Update
13903 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
13904 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
13905 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
13907 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
13909 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
13910 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
13911 cpp_pedwarn, cpp_pedwarn_with_line,
13912 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
13913 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
13914 v_cpp_error_with_line, v_cpp_warning_with_line,
13915 cpp_message_from_errno, cpp_perror_with_name): Delete.
13917 * cpperror.c (cpp_print_containing_files): Take starting
13918 buffer as argument.
13919 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
13920 (v_cpp_message): Now called directly by all entry points.
13922 (cpp_pfatal_with_name, cpp_message): Delete.
13923 (cpp_notice_from_errno, cpp_ice): New functions.
13924 (cpp_notice): Is now for reporting error conditions, just
13925 without an associated file.
13926 (cpp_error, cpp_error_with_line): Don't do anything if
13927 opts->inhibit_errors is on.
13928 (cpp_pedwarn_with_file_and_line): Take column argument also.
13930 * cpplib.h: Update prototypes of exported functions.
13931 (struct cpp_options): Add inhibit_errors.
13933 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
13934 non-error messages. Include intl.h.
13936 * cppinit.c, cppmain.c: Likewise. Also, use
13937 cpp_notice_from_errno instead of cpp_perror_with_name or
13938 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
13940 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
13941 report internal errors.
13943 * cpplib.c (do_define): Switch bcopy to memcpy.
13944 Give cpp_pedwarn_with_file_and_line a dummy column argument.
13946 * cpplib.c (copy_rest_of_line): Revert previous change: don't
13947 bail out early if we hit a line comment.
13949 2000-02-06 Richard Henderson <rth@cygnus.com>
13951 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
13952 * basic-block.h: Declare them.
13953 * emit-rtl.h (active_insn_p): New.
13954 (next_active_insn, prev_active_insn): Use it.
13955 * rtl.h: Declare it.
13956 * function.c (emit_return_into_block): New.
13957 (thread_prologue_and_epilogue_insns): Insert return insns instead
13958 of epilogues when possible.
13959 * jump.c (jump_optimize_1): Remove code to insert a return insn
13960 on the fallthru to the exit block.
13962 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
13963 and for non-empty stack frames.
13964 * i386.md (return): Expand to return-pop as needed.
13966 2000-02-06 Richard Henderson <rth@cygnus.com>
13968 * simplify-rtx.c (simplify_relational_operation): Canonicalize
13969 constant to op1 for testing.
13971 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13973 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
13974 (fixuns_truncqfqi2): Use it.
13976 2000-02-06 Richard Henderson <rth@cygnus.com>
13978 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
13979 as a TYPE_LEA insn.
13981 * i386.md (widening and peepholes): Mask the constant instead of
13984 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
13986 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
13987 input pointer before possibly branching off to the backslash
13989 * cpphash.c (macroexpand): Correctly delete \r escapes when
13990 stringifying parameters.
13991 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
13992 if we can; bail out early if we hit a line comment.
13993 (handle_directive): Treat '# 123' in an .S file just like
13994 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
13995 Return 1 for '# not_a_directive'.
13996 (get_directive_token): Pop macro buffers here, so that
13997 cpp_get_token can't sneakily move past a newline.
13999 (cpp_get_token): goto randomchar if handle_directive returns 0.
14001 * cppalloc.c: Update copyright.
14002 * cpplib.c: Merge all the static function prototypes into one
14004 * cpplib.h: Remove #if 0 block.
14006 * cpperror.c: Remove #ifdef EMACS block.
14007 * cppmain.c: Likewise.
14008 * cpphash.c: Remove #if 0 blocks.
14009 * cppinit.c: Remove #if 0 blocks, and the -lint option.
14010 * cpplib.c: Remove #if 0 blocks and code referencing
14011 pcp_inside_if or for_lint. Remove duplicate error message.
14012 Fix error messages for #else after #else or #elif. Reformat.
14013 Remove archaic TODO list.
14014 * cpplib.h: Remove pcp_inside_if and for_lint flags.
14016 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
14018 * i386/osf1elf.h: Add missing backslash to multiline string.
14020 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14022 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
14024 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14026 * Makefile.in (c-common.o): Depend on $(EXPR_H).
14028 * c-common.c: Include expr.h.
14030 * c-pragma.c (mark_align_stack): Add prototype.
14032 * caller-save.c (add_stored_regs): Likewise.
14034 * combine.c (record_promoted_value): Likewise.
14036 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
14039 * cppinit.c (new_pending_define): Likewise.
14041 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
14043 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
14044 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
14045 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
14046 class_scope_p): Likewise.
14048 * dwarf2out.h (dwarf2out_set_demangle_name_func,
14049 dwarf2out_add_library_unit_info): Likewise.
14051 * ggc.h (ggc_page_print_statistics): Likewise.
14053 * haifa-sched.c (propagate_deps): Likewise.
14055 * reg-stack.c (next_flags_user, record_label_references): Likewise.
14057 * rtl.h (set_stack_check_libfunc): Likewise.
14059 * toplev.h (set_fatal_function): Likewise.
14061 * toplev.c (set_fatal_function): Delete prototype.
14063 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
14065 2000-02-05 Geoff Keating <geoffk@cygnus.com>
14067 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
14068 (FUNC_END): Likewise.
14070 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14072 * caller-save.c: Include tm_p.h.
14074 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14076 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
14078 2000-02-04 Neil Booth <NeilB@earthling.net>
14080 * cccp.c (main): Check 'dir' for a NULL pointer before passing
14083 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
14085 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
14086 * genflags.c: Use the max_operand_1 logic from genemit.c to
14087 calculate how many arguments gen_insn prototypes have. Remove
14088 NO_MD_PROTOTYPES ifdefs from the generated file.
14089 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
14090 file. Cast gen_insn initializers to insn_gen_fn.
14091 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
14092 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
14094 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14096 * fixinc/Makefile.in (HDR): Add machname.h.
14099 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14101 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
14102 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
14103 (c4x_cpu_version): Ditto.
14104 * config/c4x/c4x-protos.h: ... here.
14106 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
14108 * dwarf2out.c (add_abstract_origin_attribute): Don't call
14109 gen_abstract_function on our context if we're a nested function.
14111 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14113 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
14114 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
14116 2000-02-04 Bruce Korb <bkorb@gnu.org>
14118 * fixinc/genfixes(machname.h):
14119 Move the functionality from gen-machine.h into this file.
14120 UNdef MN_NAME_PAT if there are no names to change.
14121 Also, be a little kinder when AutoGen is not present.
14123 * fixinc/Makefile.in(machname.h):
14124 Change the generation rule to use genfixes.
14126 * fixinc/fixfixes.c(machine_name):
14127 machine_name_fix's functionality now dependent upon whether
14128 MN_NAME_PAT is defined.
14130 * fixinc/fixtests.c(machine_name):
14133 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
14136 * fixinc/fixlib.h(mn_get_regexps):
14139 * fixinc/gen-machine.h: DELETED
14141 2000-02-04 Jan Hubicka <jh@suse.cz>
14142 Richard Henderson <rth@cygnus.com>
14144 * i386.c (SAVE_REGS_FIRST): Remove.
14145 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
14146 (ix86_compute_frame_size): Likewise.
14147 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
14148 (ix86_emit_restore_regs): Remove.
14149 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
14150 when a frame pointer is in use.
14151 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
14152 instead of pop to restore a register when profitable; emit leave
14154 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
14155 as a TYPE_LEA insn.
14156 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
14157 * i386.md (prologue_allocate_stack): Remove.
14158 (epilogue_deallocate_stack): Remove.
14159 (pro_epilogue_adjust_stack): New.
14161 2000-02-04 Richard Henderson <rth@cygnus.com>
14163 * function.c (diddle_return_value): Rework to use a callback function.
14164 Use current_function_return_rtx if it's been set up.
14165 (do_clobber_return_reg, clobber_return_register): New.
14166 (do_use_return_reg, use_return_register): New.
14167 (expand_function_end): Use them.
14168 * stmt.c (expand_null_return): Likewise.
14169 * function.h: Declare them.
14170 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
14171 (mark_reg): Change arguments as appropriate for callback.
14172 * integrate.c (expand_inline_function): Revert 19 Jan change.
14174 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
14176 * tm.texi (Values in Registers): Fix typo: "fo" "for".
14177 (Misc): Say the scheduler, not the Haifa scheduler.
14179 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
14181 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
14182 when in_mem is set. Update all callers.
14184 2000-02-04 Richard Henderson <rth@cygnus.com>
14186 * i386/openbsd.h (INT_ASM_OP): Define.
14188 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
14190 * tm.texi: Fix various typos.
14192 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
14194 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
14195 (MD_STARTFILE_PREFIX_1): New macro.
14197 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
14199 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
14200 destination when needed.
14201 (strmovsi, strsetsi): New expander.
14202 (strmovsi_1, strsetsi_1): New pattern.
14203 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
14204 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
14205 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
14206 * invoke.texi (align-stringops, inline-all-stringops): Document.
14208 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
14210 * i386/netbsd.h (INT_ASM_OP): Define.
14212 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
14214 * cpplib.h (cpp_reader): Add new flag, no_directives.
14215 * cpphash.c (macarg): Set it.
14216 * cpplib.c (handle_directive): If no_directives is on and we
14217 find a directive, issue an error and discard the line.
14219 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
14221 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
14222 FP constants. Add ! TARGET_FPU check for FP constants.
14224 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
14226 * flow.c (find_basic_blocks): Don't kill label_value_list
14228 (cleanup_cfg): Kill it here.
14230 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14232 * expr.c (store_field): Ensure ALIGN is no stricter than the
14235 2000-02-02 Richard Henderson <rth@cygnus.com>
14237 * jump.c (delete_insn): Partially revert 19 Jan change;
14238 don't convert unused code labels to notes at -O0.
14240 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14242 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
14243 split_all_insns to recreate REG_LABEL notes for flow2 pass.
14245 2000-02-01 Richard Henderson <rth@cygnus.com>
14247 * i386.c (general_no_elim_operand): New.
14248 (nonmemory_no_elim_operand): New.
14249 (ix86_expand_move): Copy eliminable operands before a push.
14250 * i386-protos.h: Declare new functions.
14251 * i386.h (CAN_ELIMINATE): Simplify.
14252 (PREDICATE_CODES): Update.
14253 * i386.md (push insns): Don't allow eliminable register operands.
14255 2000-02-01 Richard Henderson <rth@cygnus.com>
14257 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
14258 replace BLKmode with DECL_RTL's mode.
14260 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
14262 * frame.c (find_fde): Convert for loop to do-while so compiler
14263 sees it's always executed at least once.
14264 * libgcc2.c (BBINBUFSIZE): Kill.
14265 (__bb_init_prg): Use fgets.
14266 (__bb_exit_trace_func): Don't paste strings.
14267 * unroll.c (unroll_loop): Initialize unroll_type, not
14268 unroll_number, and tweak logic to match.
14270 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
14272 (ix86_flags_dependant): Likewise. Disentangle control flow.
14273 (ix86_sched_reorder): Break guts out to
14274 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
14275 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
14278 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
14279 use string concatenation. Don't save and restore esi.
14281 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
14282 (machname.h): Remove script to separate file. Use two-step
14283 sequence so target is not created if script fails.
14284 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
14285 identifiers are defined.
14286 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
14287 an empty string, machine_name doesn't need to do anything at
14289 (is_cxx_header): Add more cases to regexp.
14290 * fixinc/fixlib.h: Update prototype.
14291 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
14293 * fixinc/fixincl.c: Define NO_BOGOSITY.
14295 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
14296 (hp_sysfile): Add missing comma.
14297 (math_exception): Put the wrapper ifdefs at the beginning and
14298 the end of the file.
14299 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
14301 2000-02-01 Richard Henderson <rth@cygnus.com>
14303 * sparc.c (fp_zero_operand): Turn into a normal predicate.
14304 Use CONST0_RTX. Update all callers.
14305 * sparc.h, sparc-protos.h: Update accordingly.
14306 * sparc.md (fp mov insns): Use fp_zero_operand directly
14309 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
14311 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
14314 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14316 * Makefile.in (specs.ready): New target.
14317 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
14319 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14321 * fixinc.irix: Use unique filenames for writing into /tmp,
14322 * fixinc.ptx: Likewise.
14323 * fixinc.sco: Likewise.
14324 * fixinc.svr4: Likewise.
14325 * fixinc.winnt: Likewise.
14327 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14329 * tsystem.h: New file.
14331 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
14332 s-crtS): Depend on tsystem.h.
14334 * crtstuff.c: Include tsystem.h.
14335 * frame.c: Likewise.
14336 * libgcc2.c: Likewise.
14338 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
14340 * builtins.c (expand_builtin_memset): Expand for variable sized
14343 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
14345 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
14348 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
14350 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
14352 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
14354 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
14356 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
14357 case 3->2 combining (combining with splitting) in which 2 is CC0
14358 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
14359 checked at the begining of the function with the aid of calling
14360 function 'can_combine_p'.
14362 2000-01-31 Dave Brolley <brolley@redhat.com>
14364 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
14366 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
14368 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
14371 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14373 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
14375 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
14378 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
14380 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
14381 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
14382 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
14383 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
14384 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
14385 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
14386 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
14387 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
14388 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
14389 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
14391 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
14392 Add %(cpp_cpu) to CPP_SPEC.
14394 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
14395 Add %(cc1_cpu) to CC1_SPEC.
14397 2000-01-28 Ulrich Drepper <drepper@redhat.com>
14399 * c-decl.c (c_decode_option): Accept optional numeric argument to
14400 -Wformat and set warn_format.
14401 * c-common.c: Don't emit warning about non-constant printf format
14402 string unless warn_format > 1.
14404 2000-01-30 Richard Henderson <rth@cygnus.com>
14406 * alpha.md (return_internal): Allow after reload only.
14408 2000-01-30 Richard Henderson <rth@cygnus.com>
14410 * i386.c (ix86_compute_frame_size): Omit padding1 if the
14411 local frame size is zero.
14413 2000-01-30 Richard Henderson <rth@cygnus.com>
14415 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
14416 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
14417 * alpha.md (return): Turn into an expander.
14418 (return_internal): Don't use $26.
14419 (epilogue): Emit the return insn.
14421 2000-01-30 Richard Henderson <rth@cygnus.com>
14423 * alpha.md (negtf2, abstf2): Fix word order thinko.
14424 (extendsftf2): New.
14425 (trunctfsf2): Avoid intermediate rounding errors.
14427 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
14429 * cppfiles.c (find_position): Drop 'colp' argument, return the
14431 (read_and_prescan): Adjust to match. Don't ever manipulate
14432 line or line_base except via find_position.
14434 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
14436 * c-parse.in: Apply Ulrich's changes from c-parse.y.
14437 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
14440 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
14442 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
14443 just print "<command line>". If 'filename' is null or an
14444 empty string, print "<stdin>" for the filename.
14445 * cpplib.c (do_define): Don't print the 'location of the
14446 previous definition' message if we're still parsing the
14448 (cpp_pedwarn_with_file_and_line): Always call
14449 cpp_file_line_for_message.
14451 2000-01-29 Mark Mitchell <mark@codesourcery.com>
14453 * flow.c (mark_regs_live_at_end): Fix typo.
14455 2000-01-28 Ulrich Drepper <drepper@redhat.com>
14457 * c-common.c: Adjust variable names, comments, help strings to c99.
14458 * c-lex.c: Likewise.
14459 * c-parse.y: Likewise.
14460 * c-tree.h: Likewise.
14461 * cccp.c: Likewise.
14462 * cpplib.h: Likewise.
14463 * c-decl.c: Likewise. Recognize options with names "*99" as well.
14464 * cppinit.c: Likewise.
14466 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14468 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
14469 * c4x.c: Define the optab rtx values.
14470 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
14471 (c4x_emit_libcall): Use new optab rtx values.
14472 (c4x_emit_libcall3): Likewise.
14473 (c4x_emit_libcall_mulhi): Likewise.
14474 * c4x-protos.h: Add prototypes for optab rtx values and change
14475 prototypes for above c4x_emit_libcall functions.
14477 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14479 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
14481 (c4x_function_prologue): Use regnames intead of float_reg_names when
14483 (c4x_function_epilogue): Likewise.
14484 (c4x_print_operand): Likewise.
14485 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
14486 * c4x.md (set_high): Disable for TARGET_TI.
14488 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14490 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
14491 of framepointer + constant to ADDR_REGS class.
14492 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
14493 * c4x.c (std_or_reg_operand): New function.
14494 * c4x-protos.h (std_or_reg_operand): Prototype it.
14496 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14498 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
14499 object names as libgcc2.c.
14500 * libgcc.S: Use newly defined names.
14502 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
14503 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
14505 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
14506 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
14507 (FLOW_LOOP_LAST_BLOCK): Likewise.
14509 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14511 * basic-block.h (struct loop): New fields 'first' and 'last'.
14512 * flow.c (flow_loops_find): Compute loop->first and loop->last.
14513 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
14514 and loop->last to check for NOTE_INSN_LOOP_END.
14516 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
14518 * predict.c (estimate_probability): Use the new FIRST and LAST fields
14519 of the loop descriptor rather than HEADER and LATCH. Also added
14520 missing break statements as well making some coding style modifications
14521 as suggested by Michael Hayes.
14523 2000-01-28 Richard Henderson <rth@cygnus.com>
14525 * flow.c (find_basic_blocks): Remove do_cleanup argument.
14526 Break out that code ...
14527 (cleanup_cfg): ... here.
14528 (commit_one_edge_insertion): Detect a return instruction being
14529 emitted to an edge. Emit a barrier following; clear fallthru.
14530 (commit_edge_insertions): Verify CFG consistency.
14531 * function.c (expand_function_start): Kill unused variable.
14532 (expand_function_end): Likewise.
14533 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
14534 to insert the epilogue.
14536 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
14537 (delete_null_pointer_checks): Likewise.
14538 * output.h: Likewise.
14539 * reg-stack.c (reg_to_stack): Likewise.
14540 * toplev.c (rest_of_compilation): Likewise. Run
14541 thread_prologue_and_epilogue_insns after rebuilding the CFG.
14543 2000-01-28 Richard Henderson <rth@cygnus.com>
14545 * Makefile.in (flow.o): Revert 24 Jan change.
14546 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
14547 FUNCTION_VALUE result to DECL_RESULT's mode.
14549 * haifa-sched.c (schedule_insns): Don't recompute reg info
14552 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
14554 * configure.in: Make --enable-cpplib the default.
14555 * configure: Regenerate.
14556 * gcc.dg/990119-1.c: No longer expected to fail.
14558 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
14560 * jump.c (jump_optimize_1): Delete an optimization that is also done
14561 by merge_blocks in flow.
14563 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14565 * diagnostic.c (build_message_string, output_printf,
14566 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
14567 (build_location_prefix): Fix non-literal format string.
14569 2000-01-27 Richard Henderson <rth@cygnus.com>
14571 * alpha.md (trunctfsf2): New.
14573 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
14575 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
14577 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
14579 * cppinit.c (cpp_handle_option): Recognize C++ comments under
14581 * cpplib.c (skip_block_comment, skip_line_comment): Split code
14583 (skip_comment) ... here. Permit C++ comments in system
14584 headers always. Warn about C++ comments in user code under
14585 -std=gnu89 -pedantic.
14586 (copy_comment): Use skip_comment.
14587 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
14589 (consider_directive_while_skipping, do_else, do_endif): Call
14590 validate_else unconditionally.
14591 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
14592 text after the conditional in a system header.
14593 * cpplib.h (struct cpp_buffer): Add flag
14594 warned_cplusplus_comments.
14596 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
14598 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
14599 Use unshare_all_rtl_1.
14600 (unshare_all_rtl_again): New function.
14601 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
14603 * function.c (purge_addressof_1): Use unshare_all_rtl_again
14604 rather than resetting the 'used' flags ourself.
14606 * toplev.c (rest_of_compilation): Add current_function_decl
14607 to the unshare_all_rtl call.
14608 * tree.h: Prototype unshare_all_rtl.
14609 * rtl.h: Prototype unshare_all_rtl_again here.
14611 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
14613 * genoutput.c (output_prologue): Include ggc.h in generated
14615 * Makefile.in (insn-output.o): Depends on ggc.h.
14617 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
14618 Hans-Peter Nilsson <hp@bitrange.com>
14620 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
14621 Remove redundant include of xm-ns32k.h.
14622 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
14623 Remove redundant include of xm-ns32k.h.
14624 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
14625 Remove redundant include of xm-ns32k.h.
14626 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
14628 * ns32k/ns32k.h: Update comment on multiply-add instructions.
14629 (TARGET_SWITCHES): Add documentation strings.
14630 (DWARF_FRAME_REGNUM): Override default definition.
14631 (REG_CLASS_CONTENTS): Add comments.
14632 (SUBSET_P): Format to reduce line length.
14633 (SMALL_REGISTER_CLASSES): Make a run time option.
14634 (GO_IF_NONINDEXED_ADDRESS): Reformat.
14635 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
14636 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
14637 (regclass_map): fix typo in comment.
14638 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
14639 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
14640 (trace, reg_or_mem_operand): Delete, unused function.
14641 (calc_address_cost): Small offsets are cheaper than large ones.
14642 (expand_block_move): Generate more efficient code when bytes is a
14643 known at compile time.
14644 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
14645 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
14646 instead of reg_or_mem_operand.
14648 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
14649 not general_operand. Similarly use "=rm" or stricter, not "=g".
14650 For input operands, use stricter constraints than "g" if not
14651 general_operand. Similarly use stricter predicate than
14652 "general_operand" when stricter constraints than "g" are present,
14653 except for matching constraints.
14654 (movstrsi): Use "memory_operand" for operands 0 and 1.
14655 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
14656 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
14657 not reg_or_mem_operand.
14658 (udivmoddisi4): Ditto.
14659 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
14660 Use nonimmediate_operand for operand 3, not register_operand.
14661 (udivmoddiqi4_internal): Use register_operand for operand 1, not
14662 reg_or_mem_operand.
14664 2000-01-27 Fred Fish <fnf@be.com>
14666 * gthr-posix.h: Fix typo; compatibily -> compatibility.
14667 * gthr-single.h: Likewise.
14668 * gthr-solaris.h: Likewise.
14669 * gthr-vxworks.h: Likewise.
14670 * gthr-win32.h: Likewise.
14671 * gthr.h: Likewise.
14673 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
14675 * cppinit.c: Add " (cpplib)" to end of string printed by
14678 2000-01-27 Richard Henderson <rth@cygnus.com>
14680 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
14681 testing for a signed comparison.
14682 (alpha_emit_floatuns): New.
14683 * alpha-protos.h: Declare it.
14684 * alpha.md (floatunsdisf2, floatunsdidf2): New.
14685 (extendsfdf2): Tidy.
14687 2000-01-27 Jakub Jelinek <jakub@redhat.com>
14689 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
14690 no -g option specifying debugging format, default to -gstabs+.
14692 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14694 * calls.c (special_function_p): New argument fork_or_exec.
14695 (expand_call): When profile_arc_flag is set and the function
14696 is in the fork_or_exec group, call __bb_fork_func first.
14697 * libgcc2.c, _bb module (__bb_fork_func): New function.
14698 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
14700 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
14701 * tree.h (special_function_p): Update prototype.
14703 2000-01-26 Richard Henderson <rth@cygnus.com>
14705 * alpha.c (alpha_split_tfmode_pair): New.
14706 * alpha-protos.h: Declare it.
14707 * alpha.md (abstf2, negtf2): New.
14708 (movtf insn): Add input G constraint.
14709 (movtf splitter): Use alpha_split_tfmode_pair.
14711 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14713 * i386/cygwin.h: PROTO -> PARAMS.
14715 2000-01-26 Jakub Jelinek <jakub@redhat.com>
14717 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
14718 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
14719 using _Qp_cmp/_Q_cmp and testing the return value.
14720 (print_operand): Call reverse_condition_maybe_unordered if
14721 we are handling CCFPmode or CCFPEmode.
14722 Handle ORDERED, UN* and LTGT comparisons.
14723 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
14724 if not TARGET_HARD_QUAD.
14725 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
14726 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
14727 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
14728 Adjust gen_b* calls so that they reflect return comparison of
14729 sparc_emit_float_lib_cmp.
14731 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14733 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
14734 incoming operands array is large enough for one more operand.
14735 (alpha_emit_xfloating_arith): Likewise.
14737 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
14739 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
14740 file with one line and no trailing newline.
14741 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
14742 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
14743 checking if the match is on the line.
14744 * fixinc/gnu-regex.c: Provide regerror not __regerror.
14746 2000-01-25 Richard Henderson <rth@cygnus.com>
14748 * sparc.c (output_cbranch): Fix accidental squashing of the
14749 fp branch pre-delay nop.
14751 2000-01-25 Richard Henderson <rth@cygnus.com>
14753 * tree.def (UNNE_EXPR): Remove.
14754 * c-typeck.c (build_binary_op): Don't handle it.
14755 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
14757 * rtl.def (UNNE): Remove.
14759 * jump.c (reverse_condition): Update accordingly.
14760 (swap_condition): Likewise.
14761 (comparison_dominates_p): Handle unordered comparisons.
14762 (reverse_condition_maybe_unordered): New.
14763 * rtl.h (reverse_condition_maybe_unordered): Declare.
14765 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
14766 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
14767 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
14768 * sparc.md (bltgt): New.
14770 2000-01-25 Nick Clifton <nickc@redhat.com>
14772 * emit-rtl.c (emit_insn): Only check machine class insns for
14773 improper emission of a RETURN.
14775 2000-01-25 Richard Henderson <rth@cygnus.com>
14777 * Makefile.in (flow.o): Depend on $(EXPR_H).
14778 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
14779 duplicate the structure of diddle_return_value for keeping regs live.
14781 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14783 * loop.c (current_loop_info): Delete.
14784 (consec_sets_invariant_p): Add loop argument, update callers.
14785 (get_condition_for_loop): Likewise.
14786 (count_nonfixed_reads, update_giv_derive): Likewise.
14787 (simplify_giv_expr, general_induction_var): Likewise.
14788 (consec_sets_giv, recombine_givs): Likewise.
14789 (move_movables): Delete loop_start and loop_end arguments,
14790 add loop argument, and update callers.
14791 (find_mem_givs, check_final_value): Likewise.
14792 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
14793 (loop_invariant_p): Rename from invariant_p, add loop argument, and
14795 (basic_induction_var): Add loop argument, delete loop_level argument,
14796 and update callers.
14797 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
14798 add loop argument, and update callers.
14799 (find_splittable_regs, find_splittable_givs): Likewise.
14800 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
14801 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
14802 (biv_total_increment): Delete loop_start and loop_end arguments;
14804 (precondition_loop_p): Delete loop_start and loop_info arguments;
14806 * loop.h (get_condition_for_loop): Add loop argument.
14807 (biv_total_increment): Delete loop_start and loop_end arguments.
14808 (precondition_loop_p): Delete loop_start and loop_info arguments;
14810 (final_biv_value): Delete loop_start and loop_end arguments;
14812 (final_giv_value, back_branch_in_range_p): Likewise.
14814 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
14816 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
14818 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
14820 * Makefile.in (c-gperf.h) : Change the "See" pointer to
14821 point to the new "generated_files" doc.
14823 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
14825 * config/fp-bit.c (_unord_f2): Fix typo.
14827 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
14829 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
14830 c-typeck.c, objc/objc-act.c: Remove all references to obstack
14831 functions obsoleted by GC, such as push_obstacks_nochange,
14832 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
14833 and code which existed only to decide whether or not to call
14834 them. Remove now-unused NESTED argument from start_function;
14835 all callers changed. Do not change behavior based on ggc_p.
14836 The use of the ixp_obstack in c-iterate.c and the util_obstack
14837 in objc/objc-act.c remain; these are not obsoleted by garbage
14839 * c-tree.h: Update prototype for start_function.
14841 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
14843 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
14845 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
14848 2000-01-25 Richard Henderson <rth@cygnus.com>
14850 * sparc-protos.h (select_cc_mode): Declare.
14851 * sparc.c (select_cc_mode): New. Handle unordered compares.
14852 (output_cbranch): Always reverse via code change. Handle
14853 unordered compares. Factor tests and string updates.
14854 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
14855 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
14856 * sparc.md (bunordered, bordered): New.
14857 (bungt, bunlt, buneq, bunge, bunle): New.
14859 2000-01-25 Richard Henderson <rth@cygnus.com>
14861 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
14862 * ggc-common.c (ggc_add_rtx_varray_root): New.
14863 (ggc_mark_rtx_varray): New.
14864 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
14865 functions down below ggc_mark_foo.
14866 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
14868 2000-01-25 Richard Henderson <rth@cygnus.com>
14870 * alpha.c (secondary_reload_class): Don't allocate a secondary
14871 for integral mode memories into FLOAT_REGS. Rearrange the more
14872 complicated memory expression inward.
14874 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
14876 * inclhack.def: Fixes to play nicer with FreeBSD, and
14877 corrections to comments.
14878 (cxx_unready): Add select expression.
14879 (irix_sockaddr): Add bypass expression.
14880 (machine_ansi_h_va_list): New fix.
14881 (stdio_va_list): No need to edit _BSD_VA_LIST_.
14882 Split out addition of "#include <stdarg.h>" to...
14883 (stdio_stdarg_h): ... here.
14884 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
14885 to stdlib.h also. Do not munge _BSD_SIZE_T_.
14886 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
14888 (ultrix_ifdef): Tighten up select expression.
14890 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
14891 re_ct and max_mach to avoid use of shell. Make printed names
14892 match names in inclhack.def. Use static copyright date.
14893 Don't count c_test and test expressions as requiring regex_t
14894 slots. Add some commentary.
14895 * inclhack.tpl: Do not include the 'This script contains N
14896 fixup scripts' line if PROGRAM is defined. Use static
14899 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
14901 * dwarf2out.c: include "varray.h", not dyn-string.h.
14902 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
14903 (addr_const_to_string, addr_to_string): Lose.
14904 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
14905 (struct dw_val_struct): val_addr is now an rtx.
14906 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
14907 (used_rtx_varray): New varray.
14908 (dwarf2out_init): Initialize it.
14909 (save_rtx): New fn.
14910 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
14912 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
14913 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
14914 * Makefile.in (dwarf2out.o): Update dependencies.
14916 2000-01-24 Richard Henderson <rth@cygnus.com>
14918 * i386.c (i386_dwarf_output_addr_const): New.
14919 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
14921 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
14923 * dwarfout.c (output_mem_loc_descriptor): Likewise.
14924 * i386.c (i386_simplify_dwarf_addr): New.
14925 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
14927 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
14929 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
14930 TYPE_STUB_DECL is NULL.
14932 2000-01-24 Richard Henderson <rth@cygnus.com>
14934 * builtins.c (expand_tree_builtin): Move ...
14935 * c-common.c (expand_tree_builtin): ... here.
14937 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14939 * loop.h (LOOP_INFO): New accessor macro.
14940 * basic-block.h (struct loop): Rename field `info' to `aux'.
14941 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
14942 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
14943 * unroll.c (loop_iterations, unroll_loop): Likewise.
14945 2000-01-24 Christopher Faylor <cgf@cygnus.com>
14947 * config/i386/t-cygwin: Accomodate new winsup directory layout
14948 when searching for include files.
14950 2000-01-24 Richard Henderson <rth@cygnus.com>
14952 * rtl.def: Add unordered fp comparisions.
14953 * tree.def: Likewise.
14954 * tree.h: Add ISO C 9x unordered fp comparision builtins.
14956 * builtins.c (expand_tree_builtin): New function.
14957 * c-typeck.c (build_function_call): Use it.
14958 (build_binary_op): Support unordered compares.
14959 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
14961 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
14962 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
14963 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
14964 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
14965 * jump.c (reverse_condition): Don't abort for UNLE etc, but
14967 (swap_condition): Handle unordered compares.
14968 (thread_jumps): Check can_reverse before reversing.
14969 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
14972 * optabs.c (can_compare_p): New argument CODE. Verify branch or
14973 setcc is present before acking for cmp_optab. Update all callers.
14974 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
14975 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
14976 * expr.c (expand_expr): Likewise. Support unordered compares.
14977 (do_jump, do_store_flag): Likewise.
14978 * expr.h (enum libfunc_index): Add unordered compares.
14980 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
14981 (DPBIT_FUNCS): Add _unord_df.
14982 * config/fp-bit.c (_unord_f2): New.
14983 * fp-test.c (main): Try unordered compare builtins.
14985 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
14986 * alpha.c (alpha_comparison_operator): Check mode properly.
14987 (alpha_swapped_comparison_operator): Likewise.
14988 (signed_comparison_operator): Likewise.
14989 (alpha_fp_comparison_operator): New.
14990 (alpha_emit_conditional_branch): Handle unordered compares.
14991 * alpha.h (PREDICATE_CODES): Update.
14992 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
14993 (bunordered, bordered): New.
14995 2000-01-24 Richard Henderson <rth@cygnus.com>
14997 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
14998 * alpha.md (movtf): New expander, insn, and splitter.
15000 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
15002 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
15005 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
15007 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
15008 (FIXED_REGISTERS, CALL_USED_REGISTERS,
15009 REG_ALLOC_ORDER): Add frame pointer
15010 (FRAME_POINTER_REGNUM): Set to 20
15011 (HARD_FRAME_POINTER_REGNUM): New macro.
15012 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
15013 to HARD_FRAME_POINTER.
15014 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
15015 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
15016 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
15017 (HI_REGISTER_NAMES): Add "frame".
15018 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
15019 (debug_reg): Handle FRAME_POINTER_REGNUM.
15020 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
15021 GENERAL_REGS and INDEX_REGS.
15022 * i386.c (SAVED_REGS_FIRST): new macro.
15023 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
15024 (ix86_decompose_address, memory_address_length): Likewise.
15025 (regclass_map): Add frame pointer.
15026 (call_insn_operand): Handle frame_pointer_rtx.
15027 (reg_no_sp_operand): Likewise.
15028 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
15029 (print_operand, legitimize_pic_address): Fix formating.
15030 (ix86_compute_frame_size): Make static, update prototype, new
15031 parameters padding1, padding2, use ix86_nsaved_regs, use
15032 stack_alignment_needed.
15033 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
15034 to HARD_FRAME_POINTER_REGNUM conversions.
15035 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
15036 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
15037 (print_reg): Abort on FRAME_POINTER_REGNUM
15039 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
15041 * i386.h (PREDICATE_CODES): Add aligned_operand.
15042 * i386.c (aligned_operand): New function.
15043 (ix86_aligned_p): Kill.
15044 * i386.md (movhi_1): Emit mov for aligned operands.
15045 (promoting peep2s): Use aligned_operand.
15047 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
15049 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
15050 expression to allow underscores in macro names.
15051 (fix_char_macro_defines): Increment scanning pointer.
15053 2000-01-23 Richard Henderson <rth@cygnus.com>
15055 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
15056 * alpha/osf5.h: New file.
15057 * configure.in (alpha-*-osf5): Add it to tm_file.
15059 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
15061 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
15062 (alpha_emit_xfloating_cvt, function_arg): Declare.
15063 * alpha.c (alpha_emit_conditional_branch): Call
15064 alpha_emit_xfloating_compare for TFmode compares.
15065 (alpha_lookup_xfloating_lib_func): New.
15066 (alpha_compute_xfloating_mode_arg): New.
15067 (alpha_emit_xfloating_libcall): New.
15068 (alpha_emit_xfloating_arith): New.
15069 (alpha_emit_xfloating_compare): New.
15070 (alpha_emit_xfloating_cvt): New.
15071 (print_operand): Add default abort case.
15072 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
15073 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
15074 (BIGGEST_ALIGNMENT): Increase to 128 bits.
15075 (RETURN_IN_MEMORY): True for TF/TCmode.
15076 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
15077 (FUNCTION_ARG): Move to function_arg.
15078 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
15079 (ASM_OUTPUT_LONG_DOUBLE): New.
15080 (ASM_OUTPUT_DOUBLE): Always output bits.
15081 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
15082 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
15083 (extenddftf2, trunctfdf2): New.
15085 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15087 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
15088 * config/sparc/sol2.h: ... here.
15090 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15092 * basic-block.h (struct loops): New field `levels'.
15093 * flow.c (flow_loops_level_compute): Traverse all outer loops.
15094 (flow_loop_level_compute): Initialise level to 1.
15095 (flow_loops_find): Set loops->levels.
15096 (flow_loops_dump): Print loops->levels.
15098 2000-01-23 Richard Henderson <rth@cygnus.com>
15100 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
15101 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
15103 2000-01-23 Richard Henderson <rth@cygnus.com>
15105 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
15106 * i386.h (DBX_REGISTER_NUMBER): Use them.
15107 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
15108 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
15109 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
15110 * i386/sequent.h: Kill incorrect comment.
15112 2000-01-23 Mark Mitchell <mark@codesourcery.com>
15114 * ggc-page.c (struct page_entry): Make `context_depth' an
15116 (struct globals): Likewise.
15118 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
15120 * loop.c (check_dbra_loop): When checking a loop for
15121 reversability, check the source of any stores to ensure
15122 they don't depend on an initial value.
15124 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15126 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
15128 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
15130 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
15131 'pz_scan' into scope of entire function. Only affects
15132 compiles with -DDEBUG.
15134 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
15136 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
15137 section naming to that prior to 2000-01-07 patch.
15138 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
15139 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
15140 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
15141 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
15142 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
15144 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
15146 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
15149 2000-01-21 Jim Wilson <wilson@cygnus.com>
15151 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
15152 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
15154 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
15156 * cpphash.c (change_newlines): Delete function.
15157 (struct argdata): Delete 'newlines' and 'use_count' fields.
15158 (macroexpand): Remove code referencing those fields.
15160 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15162 * loop.c (loops_info): New variable.
15163 (loop_optimize): Allocate loops->array and free it on exit.
15164 Allocate memory for loops_info and assign to each loop,
15166 (find_and_verify_loops): Do not allocate loops->array.
15168 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
15170 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
15172 2000-01-21 Jakub Jelinek <jakub@redhat.com>
15174 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
15175 pseudos if expanded after first flow.
15176 (movdi_pic_label_ref): Likewise.
15178 2000-01-20 Richard Henderson <rth@cygnus.com>
15180 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
15182 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
15184 * Makefile.in (fixinc.sh): Depend on specs.
15185 * fixinc/Makefile.in: Add rule to create machname.h.
15186 (fixlib.o): Depend on machname.h.
15187 * fixinc/fixtests.c (machine_name): New test.
15188 * fixinc/fixfixes.c (machine_name): New fix.
15189 * fixinc/fixlib.c (mn_get_regexps): New helper function for
15190 the machine_name test and fix.
15191 * fixinc/fixlib.h: Prototype it.
15192 * fixinc/inclhack.def (machine_name): Use the C test and fix.
15193 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
15195 * gcc.c (do_spec_1) [case P]: Take care not to create
15196 identifiers with three leading or trailing underscores.
15198 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
15199 (fixincl): Don't specify libraries twice on link line.
15200 (gnu-regex.o): Remove special rule.
15201 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
15202 defined by config.h. Do not define _REGEX_RE_COMP.
15203 (regcomp): Allocate and initialize a fastmap.
15204 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
15206 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
15208 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
15210 2000-01-19 Richard Henderson <rth@cygnus.com>
15212 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
15213 arguments with BB. Update all callers. Tidy line wrapping.
15215 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
15217 * emit-rtl.c (try_split): Return last_insn if we split the
15220 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
15222 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
15223 (ix86_initial_elimination_offset): Declare.
15224 * i386.c (ix86_nsaved_regs): Break out from ...
15225 (ix86_can_use_return_insn_p): ... here.
15226 (ix86_emit_save_regs): Break out from ...
15227 (ix86_expand_prologue): ... here.
15228 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
15230 (ix86_expand_epilogue): ... here.
15231 (ix86_compute_frame_size): Make static, add prototype.
15232 (ix86_initial_elimination_offset): Break out from ...
15233 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
15235 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15237 * recog.h (OUT_FCN): Delete.
15239 * vax.md: Call `get_insn_template' instead of OUT_FCN.
15241 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15243 * cppalloc.c: PROTO -> PARAMS.
15244 * cpperror.c: Likewise.
15245 * cppfiles.c: Likewise.
15246 * cpplib.c: Likewise.
15247 * cpplib.h: Likewise.
15249 * config/arm/arm-protos.h: PROTO -> PARAMS.
15250 * config/arm/arm.c: Likewise.
15251 * config/c4x/c4x.c: Likewise.
15252 * config/fr30/fr30-protos.h: Likewise.
15253 * config/nextstep.c: Likewise.
15254 * config/pa/pa.c: Likewise.
15255 * config/pj/pj.c: Likewise.
15256 * config/rs6000/rs6000.c: Likewise.
15257 * config/v850/v850-protos.h: Likewise.
15258 * config/v850/v850.c: Likewise.
15260 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15262 * i370-protos.h: New file.
15264 * i370.c: Include tm_p.h. Fix compile time warnings.
15266 * i370.h: Move prototypes to i370-protos.h. Fix compile time
15269 * i370.md: Likewise.
15271 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15273 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
15274 (target_isinf, target_isnan, eisnan): Mark parameter with
15276 (eiisinf): Wrap in INFINITY.
15277 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
15278 (ibmtoe): Remove unused variable `rndsav'.
15280 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
15282 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
15283 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
15285 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
15287 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
15288 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
15289 (fix_char_macro_defines, fix_char_macro_uses): New functions.
15291 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
15292 Recognize Emacs mode markers also.
15293 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
15294 C++ comments in C++ headers. Call is_cxx_header only if
15297 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
15298 bypass for ncurses.
15299 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
15300 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
15301 ... these, which use the new C fixes.
15302 (math_exception): Escape literal '+' in bypass expression.
15304 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
15307 2000-01-19 Geoff Keating <geoffk@cygnus.com>
15309 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
15312 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15314 * loop.c (loop_optimize): Allocate loop_info structure for each loop
15315 prior to calling scan_loop.
15317 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
15319 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
15320 (split_branches, calc_live_regs): Likewise.
15322 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
15324 * sh.md (fpu_single, fp_mode): New attributes.
15326 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15328 * loop.c (current_loop_info): Renamed from loop_info_data
15329 and changed to a pointer.
15330 (loop_optimize): Allocate loop_info structure for each loop
15331 and initialise to zero.
15332 (scan_loop): Set current_loop_info.
15334 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
15337 2000-01-19 Richard Henderson <rth@cygnus.com>
15339 * stupid.c: Die die die.
15340 * Makefile.in (OBJS): Remove stupid.o.
15341 (stupid.o): Likewise.
15343 * except.c (emit_eh_context): Don't emit USEs for stupid.
15344 * explow.c (probe_stack_range): Likewise.
15345 * flags.h (obey_regdecls): Remove.
15346 * flow.c (find_basic_blocks): Don't run try_merge_blocks
15347 when not optimizing.
15348 (life_analysis): Limit data collection when not optimizing.
15349 (mark_regs_live_at_end): Always mark the return value registers.
15350 (mark_used_regs): Remove dummy RETURN case.
15351 (print_rtl_with_bb): Don't consult obey_regdecls.
15352 * function.c (use_variable, use_variable_after): Remove.
15353 (assign_parms): Consult optimize not obey_regdecls.
15354 (expand_function_start): Don't emit USEs for stupid.
15355 (expand_function_end): Likewise.
15356 * global.c (build_insn_chain): Export.
15357 * integrate.c (expand_inline_function): Kill return-value USE
15359 * jump.c (jump_optimize_1): Do simple jump optimizations and
15360 dead code elimination.
15361 (calculate_can_reach_end): Remove check_deleted argument.
15362 (delete_insn): Patch out insns even when not optimizing.
15363 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
15364 * rtl.h (use_variable, use_variable_after): Remove declarations.
15365 (build_insn_chain): Declare.
15366 * stmt.c (expand_value_return): Don't emit USEs for stupid.
15367 (expand_end_bindings): Likewise.
15368 (expand_decl): Likewise. Consult optimize not obey_regdecls.
15369 * toplev.c (obey_regdecls): Remove.
15370 (rest_of_compilation): Don't set it. Kill stupid in favour of
15371 flow1, local-alloc, and reload.
15372 (main): Don't set obey_regdecls.
15374 * config/nextstep.c (handle_pragma): Likewise.
15376 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
15378 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
15380 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15382 * alpha-protos.h: PROTO -> PARAMS.
15383 * alpha.c: Likewise.
15385 * h8300.c: Likewise.
15386 * i386-protos.h: Likewise.
15387 * i386.c: Likewise.
15388 * m32r-protos.h: Likewise.
15389 * m32r.c: Likewise.
15390 * mips.c: Likewise.
15391 * mips.md: Likewise.
15392 * gmon-sol2.c: Likewise.
15393 * sparc.c: Likewise.
15395 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15397 * ns32k-protos.h: New file.
15399 * ns32k.c: Fix compile time warnings.
15401 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
15404 * ns32k.md: Likewise.
15406 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15408 * vax-protos.h: New file.
15410 * vax.c: Fix compile time warnings.
15412 * vax.h: Move prototypes to vax-protos.h. Fix compile time
15415 * vax.md: Likewise.
15417 * vaxv.md: Likewise.
15419 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15421 * romp-protos.h: New file.
15423 * romp.c: Fix compile time warnings.
15425 * romp.h: Move prototypes to romp-protos.h. Fix compile time
15428 * romp.md: Likewise.
15430 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15432 * we32k-protos.h: New file.
15434 * we32k.c: Fix compile time warnings.
15436 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
15439 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15441 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
15443 * except.c (eh_regs): Likewise.
15445 * final.c (output_operand): Likewise.
15447 * fold-const.c (target_isinf, target_isnan): Likewise.
15449 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15451 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
15452 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
15454 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
15455 when optimize_size.
15456 (clrstrsi): Rewrite.
15457 (strsethi, strsetqi): New expanders.
15458 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
15459 (cmpstrsi): Emit compare insn before cmpstrsi_1
15460 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
15461 (strlensi_1): Likewise.
15462 (cmpstrsi_1): Likewise; do not output compare.
15463 (strlen expander): Do not unroll when optimizing for size.
15464 (*subsi3_carry): Rename to subsi3_carry
15465 (addqi3_cc): New pattern.
15466 * i386.h (processor_costs): Add move_ratio field.
15467 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
15468 * i386.c (*_cost): Set move_ratio.
15469 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
15470 (x86_expand_strlensi_1): Rewrite the main loop.
15472 2000-01-17 Richard Henderson <rth@cygnus.com>
15474 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
15475 * cse.c (find_comparison_args, fold_rtx): Likewise.
15476 * integrate.c (subst_constants): Likewise.
15477 * loop.c (get_condition): Likewise.
15479 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
15481 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
15483 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
15485 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
15486 (RESTORE_WARN_FLAGS): Unpack it.
15487 Change semantic type of extension to ttype.
15488 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
15489 * c-parse.y, c-parse.c, objc/objc-parse.y,
15490 objc/objc-parse.c: Regenerate.
15492 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
15494 * fixinc/fixlib.c: Add copyright notice.
15495 (compile_re): New function.
15496 * fixinc/fixlib.h: Prototype compile_re.
15498 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
15499 Use compile_re to compile regular expressions.
15501 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
15502 where the pattern matched.
15504 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
15506 (ultrix_ansi_compat): Likewise.
15507 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
15509 (interactv_add2, interactv_add3): Delete.
15510 (x11_sprintf): Don't use filename glob.
15511 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
15514 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15516 * print-rtl.c: PROTO -> PARAMS.
15517 * real.c: Likewise.
15518 * reg-stack.c: Likewise.
15519 * resource.c: Likewise.
15520 * sdbout.h: Likewise.
15521 * simplify-rtx.c: Likewise.
15522 * stor-layout.c: Likewise.
15523 * stupid.c: Likewise.
15524 * xcoffout.c: Likewise.
15525 * xcoffout.h: Likewise.
15527 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15529 * toplev.c: PROTO -> PARAMS.
15530 * toplev.h: Likewise.
15531 * tree.c: Likewise.
15532 * tree.h: Likewise.
15533 * unroll.c: Likewise.
15534 * varasm.c: Likewise.
15535 * varray.c: Likewise.
15536 * varray.h: Likewise.
15538 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15540 * reload.c: PROTO -> PARAMS.
15541 * reload.h: Likewise.
15542 * reload1.c: Likewise.
15543 * reorg.c: Likewise.
15544 * resource.h: Likewise.
15547 * rtlanal.c: Likewise.
15548 * sbitmap.h: Likewise.
15549 * sdbout.c: Likewise.
15550 * stack.h: Likewise.
15551 * stmt.c: Likewise.
15552 * system.h: Likewise.
15554 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15556 * machmode.h: PROTO -> PARAMS.
15557 * mbchar.h: Likewise.
15558 * mips-tdump.c: Likewise.
15559 * mips-tfile.c: Likewise.
15560 * optabs.c: Likewise.
15561 * output.h: Likewise.
15562 * prefix.c: Likewise.
15563 * profile.c: Likewise.
15564 * protoize.c: Likewise.
15565 * real.h: Likewise.
15566 * recog.c: Likewise.
15567 * recog.h: Likewise.
15568 * regclass.c: Likewise.
15569 * regmove.c: Likewise.
15570 * regs.h: Likewise.
15572 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15574 * ggc-common.c: PROTO -> PARAMS.
15575 * ggc-page.c: Likewise.
15576 * ggc-simple.c: Likewise.
15578 * global.c: Likewise.
15579 * graph.c: Likewise.
15580 * gthr-win32.h: Likewise.
15581 * haifa-sched.c: Likewise.
15582 * halfpic.h: Likewise.
15583 * integrate.c: Likewise.
15584 * integrate.h: Likewise.
15585 * jump.c: Likewise.
15587 * local-alloc.c: Likewise.
15588 * loop.c: Likewise.
15589 * loop.h: Likewise.
15591 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15593 * genattr.c: PROTO -> PARAMS.
15594 * genattrtab.c: Likewise.
15595 * gencheck.c: Likewise.
15596 * gencodes.c: Likewise.
15597 * genconfig.c: Likewise.
15598 * genemit.c: Likewise.
15599 * genextract.c: Likewise.
15600 * genflags.c: Likewise.
15601 * gengenrtl.c: Likewise.
15602 * genopinit.c: Likewise.
15603 * genoutput.c: Likewise.
15604 * genpeep.c: Likewise.
15605 * genrecog.c: Likewise.
15607 2000-01-16 Mark Mitchell <mark@codesourcery.com>
15609 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
15611 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15613 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
15614 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
15615 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
15616 * configure, config.in: Rebuilt.
15618 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
15620 * config/i386/i386.md: Add peephole to merge successive stack
15623 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
15625 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
15626 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
15627 when walking backwards to find all the parameter loads when
15628 the basic block ends in a call.
15630 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15632 * loop.c (this_loop_info): Delete.
15633 (uid_loop): Add in place of uid_loop_num. All uses updated.
15634 (loop_number_exit_count): Delete and replace with entry in loop
15635 structure. All uses updated.
15636 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
15637 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
15638 (loop_outer_loop): Likewise.
15639 (loop_invalid, loop_number_exit_labels): Likewise.
15640 (loop_used_count_register): Delete and replace with entry in
15641 loop_info structure.
15642 (find_and_verify_loops): Add loops argument.
15643 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
15644 loop_end, etc. arguments with loop structure pointer. All callers
15646 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
15647 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
15648 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
15649 (insert_bct): Likewise.
15650 (basic_induction_var): New argument level.
15651 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
15652 vtop, and cont. Add used_count_register.
15653 (uid_loop): Delete declaration.
15654 (loop_number_exit_count): Likewise.
15655 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
15656 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
15657 (loop_outer_loop, loop_used_count_register): Likewise.
15658 (loop_invalid, loop_number_exit_labels): Likewise.
15659 (unroll_loop): Replace loop_start and loop_end arguments
15660 with loop structure pointer.
15661 (loop_precondition_p, loop_iterations): Likewise.
15662 Include basic-block.h.
15663 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
15664 with loop structure pointer.
15665 (loop_precondition_p, loop_iterations): Likewise.
15666 * basic-block.h (struct loop): New entries vtop, cont,
15667 cont_dominator, start, end, top, scan_start, exit_labels,
15669 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
15671 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
15673 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
15675 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
15677 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
15679 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15681 * pdp11-protos.h: New file.
15683 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
15686 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
15689 * pdp11.md: Likewise.
15691 * 2bsd.h: Likewise.
15693 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15695 * mn10300-protos.h: New file.
15697 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
15700 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
15703 * mn10300.md: Likewise.
15705 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15707 * mn10200-protos.h: New file.
15709 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
15712 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
15715 * mn10200.md: Likewise.
15717 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15719 * h8300-protos.h: New file.
15721 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
15724 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
15727 * h8300.md: Likewise.
15729 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15731 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
15732 (asm_emit_uninitialised): Likewise.
15734 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
15736 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
15737 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
15739 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
15741 * config/mips/mips.c (override_options): Don't turn on extra
15742 alignment for mips16.
15744 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
15746 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
15747 eabi, and make sure queued POSTINCREMENT rtl is emitted at
15750 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
15752 * builtins.c (PAD_VARARGS_DOWN): Define.
15753 (std_expand_builtin_va_arg): Use the above macro.
15754 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
15755 * tm.texi (Register Arguments): Document the above macro.
15757 2000-01-14 Nick Clifton <nickc@cygnus.com>
15759 * emit-rtl.c (emit_insn): If checking is enabled, make sure
15760 that this function has not been used to emit a jump
15763 * jump.c (return_jump_1): Cope with being passed a null rtx.
15765 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15767 * eh-common.h: PROTO -> PARAMS.
15768 * emit-rtl.c: Likewise.
15769 * errors.c: Likewise.
15770 * errors.h: Likewise.
15771 * except.c: Likewise.
15772 * except.h: Likewise.
15773 * explow.c: Likewise.
15774 * expmed.c: Likewise.
15775 * expr.c: Likewise.
15776 * expr.h: Likewise.
15777 * final.c: Likewise.
15778 * fix-header.c: Likewise.
15779 * flow.c: Likewise.
15780 * fold-const.c: Likewise.
15781 * function.c: Likewise.
15782 * function.h: Likewise.
15784 * gcov-io.h: Likewise.
15785 * gcov.c: Likewise.
15786 * gcse.c: Likewise.
15788 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15790 * sh-protos.h: New file.
15792 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
15793 Add static prototypes. Fix compile time warnings.
15795 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
15799 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15801 * arc-protos.h: New file.
15803 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
15806 * arc.h: Move prototypes to arc-protos.h. Fix compile time
15809 * arc.md: Likewise.
15811 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15813 * dsp16xx-protos.h: New file.
15815 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
15818 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
15821 * dsp16xx.md: Likewise.
15823 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15825 * convex-protos.h: New file.
15827 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
15830 * convex.h: Move prototypes to convex-protos.h. Fix compile time
15833 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15835 * elxsi-protos.h: New file.
15837 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
15840 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
15843 * elxsi.md: Likewise.
15845 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
15847 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
15848 case for moving from HI/LO/HI_LO_REG. This makes the behavior
15849 match the comment for MIPS16.
15851 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
15853 * flow.c (split_edge): Do not call set_block_for_insn if we
15854 do not have a basic_block_for_insn structure.
15856 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
15857 and destination functions are 32bit aligned within the trampoline.
15858 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
15859 (TRAMPOLINE_ALIGNMENT): Define.
15861 * cse.c (cse_insn): When changing (set (pc) (reg)) to
15862 (set (pc) (label_ref)), verify the change creates a valid insn.
15864 * fr30.c (call_operand): Tighten and rework to match rules for
15865 call RTL expressions.
15866 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
15867 * fr30.md (call patterns): Improve constraints.
15869 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
15871 * fr30.c (fr30_expand_epilogue): Revert last change.
15872 Use emit_jump_insn for the return insn.
15874 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
15875 Stan Cox <scox@cygnus.com>
15877 * predict.c: New file. Preliminary infrastructure work for static
15878 branch prediction and basic block reordering.
15879 * basic-block.h: Add prototype for estimate_probability.
15880 * Makefile.in: Add rules for predict.o.
15882 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
15884 * fixincludes (va_list): Use __not_va_list__ for the dummy.
15885 * fixinc/*: Likewise.
15887 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15889 * cccp.c: PROTO -> PARAMS.
15890 * cexp.y: Likewise.
15891 * collect2.c: Likewise.
15892 * combine.c: Likewise.
15893 * convert.h: Likewise.
15895 * dbxout.c: Likewise.
15896 * dbxout.h: Likewise.
15897 * diagnostic.c: Likewise.
15898 * doprint.c: Likewise.
15899 * dwarf2out.c: Likewise.
15900 * dwarf2out.h: Likewise.
15901 * dwarfout.c: Likewise.
15902 * dwarfout.h: Likewise.
15903 * dyn-string.h: Likewise.
15905 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15907 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
15908 macro conditionals guarding use.
15910 * dwarf2out.c: Include "tm_p.h".
15912 * function.c (locate_and_pad_parm): Mark parameter with
15914 (expand_function_end): Likewise for variable `context'.
15916 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
15918 2000-01-13 Nick Clifton <nickc@cygnus.com>
15920 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
15921 register to prevent compile time warnings.
15923 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
15925 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
15926 to avoid -Wtraditional warning.
15928 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15930 * 1750a-protos.h: New file.
15932 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
15935 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
15938 * 1750a.md: Likewise.
15940 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15942 * a29k-protos.h: New file.
15944 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
15947 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
15950 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15952 * clipper-protos.h: New file.
15954 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
15957 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
15960 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
15962 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
15964 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
15966 * configure.in (--enable-new-gxx-abi): New option.
15967 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
15968 * Makefile.in (GXX_ABI_FLAG): New variable.
15969 * configure: Regenerate.
15971 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15973 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
15974 * tm.texi (FORCE_STRUCT_BLK): Document.
15975 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
15977 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
15979 * config/ns32k/ns32k.md: Revert Jan 9 change.
15981 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
15982 to a mode-test, if the predicate is address_operand.
15984 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
15986 * combine.c (if_then_else_cond): Be careful about what kinds
15987 of RTL expressions are passed to operand_subword.
15989 * flow.c (split_edge): If we have to insert a new jump, make
15990 sure to associate it with a basic block.
15992 * flow.c (commit_one_edge_insertion): A block with one successor
15993 can end in a JUMP_INSN that is not a simplejump.
15995 2000-01-12 Robert Lipe <robertl@sco.com>
15997 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
15998 (BUILD_VA_LIST_TYPE): Define.
15999 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
16002 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
16004 * cccp.c (do_pragma): Add cast to (char *).
16006 2000-01-12 Richard Henderson <rth@cygnus.com>
16007 Fred Fish <fnf@be.com>
16008 Jason Merrill <jason@cygnus.com>
16010 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
16011 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
16012 * i386/beos-elf.h, i386/beos-pe.h: New files.
16014 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
16015 * cross-make (SYSTEM_HEADER_DIR): Define using
16016 CROSS_SYSTEM_HEADER_DIR.
16018 * gcc.c (LIBRARY_PATH_ENV): Provide default.
16019 (process_command): Use it.
16020 (main): Likewise. Kill trailing = from env vars.
16021 (build_search_list): Put it back.
16022 * collect2.c (main): Use LIBRARY_PATH_ENV.
16024 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
16025 * toplev.c: Use NEED_DECLARATION_ENVIRON.
16027 * tm.texi (Frame Layout): Document SMALL_STACK.
16028 * c-common.c (c_common_nodes_and_builtins): Check it.
16030 * system.h: Undef alloca after including glibc's <stdlib.h>,
16031 if USE_C_ALLOCA is defined.
16033 * gcc.c (set_input): New fn.
16034 (main): After all input files are compiled, reset the input file
16037 * aclocal.m4 (rindex, index): If already defined, don't attempt
16040 * ginclude/varargs.h: (__va_list__): Define ifndef.
16041 * ginclude/stdarg.h: Likewise.
16043 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
16044 instead of unsigned char.
16046 * hash.h (true, false, boolean): Undef before enum.
16048 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
16049 proper type of "HOST_WIDE_INT *", rather than their natural type of
16050 "unsigned HOST_WIDE_INT *".
16052 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16054 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
16056 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
16058 * regclass.c (choose_hard_reg_mode): Likewise.
16060 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
16062 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
16064 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16066 * c-common.c: PROTO -> PARAMS.
16067 * c-common.h: Likewise.
16068 * c-decl.c: Likewise.
16069 * c-iterate.c: Likewise.
16070 * c-lang.c: Likewise.
16071 * c-lex.c: Likewise.
16072 * c-lex.h: Likewise.
16073 * c-parse.in: Likewise.
16074 * c-pragma.c: Likewise.
16075 * c-pragma.h: Likewise.
16076 * c-tree.h: Likewise.
16077 * c-typeck.c: Likewise.
16078 * objc/objc-act.c: Likewise.
16079 * objc/objc-act.h: Likewise.
16081 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16083 * m88k-protos.h: New file.
16085 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
16088 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
16090 * m88k.md: Likewise.
16092 * tekXD88.h: Likewise.
16094 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16096 * m68k-protos.h: New file.
16098 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
16101 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
16103 * mot3300.h: Likewise.
16105 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
16107 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
16109 (extract_bitlist): Declare bitlen.
16111 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
16113 * cccp.c: Accept and ignore -lang-fortran.
16115 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
16116 qualifiers don't match at any level of pointerness.
16118 2000-01-12 Robert Lipe <robertl@sco.com>
16120 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
16122 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
16124 * reload1.c (reload_reg_unavailable): New static variable.
16125 (reload_reg_free_p): Test it.
16126 (reload_reg_free_for_value_p): Test it instead of
16128 (choose_reload_regs_init): Compute it.
16130 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
16132 * reorg.c (fill_slots_from_thread): Check modified_in_p
16135 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
16137 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
16138 these nodes even if INTERNALS is not set.
16140 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
16142 * gcse.c (delete_null_pointer_checks_1): Cope when
16143 get_condition cannot determine the condition.
16145 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
16147 * toplev.h (set_message_length): Declare.
16149 * diagnostic.c (obstack_chunk_alloc): Define macro.
16150 (obstack_chunk_free): Likewise.
16151 (struct output_buffer): New data structure.
16152 (vmessage): Remove.
16153 (output_maximum_width): New variable.
16154 (doing_line_wrapping, set_message_length, init_output_buffer,
16155 get_output_prefix, output_space_left, emit_output_prefix,
16156 output_newline, output_append, output_puts, dump_output,
16157 vbuild_message_string, build_message_string, build_location_prefix,
16158 voutput_notice, output_printf, line_wrapper_printf,
16159 vline_wrapper_message_with_location): New functions. Implement
16160 automatic line wrapping.
16161 (v_message_with_decl): Make it handle automatic line wrapping.
16162 (v_error_with_file_and_line): Likewise.
16163 (v_warning_with_file_and_line): Likewise.
16164 (announce_function): Likewise.
16165 (default_print_error_function): Likewise.
16167 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
16169 * cpplib.h (struct cpp_options): Change lang_asm to char.
16171 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
16172 done in cpp_handle_option now.
16173 (initialize_builtins): Take out special case code used only by
16175 (cpp_handle_option): Turn off trigraphs and trigraph warnings
16176 if -traditional. Recognize -lang-fortran and set
16177 lang_fortran, also turn off cplusplus_comments.
16178 (print_help): Document -lang-fortran.
16179 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
16180 lang_asm. Ignore all directives other than `# 123 "file"' if
16182 (cpp_get_token): If -traditional, don't recognize directives
16183 unless the # is in column 1.
16184 (parse_string): If lang_fortran or lang_asm, silently
16185 terminate strings ('' or "") at end of line.
16186 Remove unnecessary braces.
16188 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16189 Richard Henderson <rth@cygnus.com>
16191 * resource.c (mark_referenced_resources): Mark a set strict_low_part
16193 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
16194 strict_low_part when possible.
16196 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16198 * alias.c: PROTO -> PARAMS.
16199 * basic-block.h: Likewise.
16200 * bitmap.c: Likewise.
16201 * bitmap.h: Likewise.
16202 * builtins.c: Likewise.
16203 * c-aux-info.c: Likewise.
16204 * caller-save.c: Likewise.
16205 * calls.c: Likewise.
16207 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16209 * Makefile.in (toplev.o): Depend on regs.h.
16211 * output.h (tdesc_section): Prototype.
16213 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
16215 * sdbout.c: Include "tm_p.h".
16217 * toplev.c: Include "regs.h".
16219 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
16221 * unroll.c (unroll_loop): Add EH support.
16223 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16225 * pa-protos.h: New file.
16227 * pa.c: Include recog.h and tm_p.h.
16228 (compute_zdepwi_operands, compute_movstrsi_length,
16229 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
16230 find_addr_reg, import_milli): Add static prototypes.
16231 (pa_cpu_string, pa_arch_string): Constify a char*.
16232 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
16233 (read_only_operand): Add argument `mode'.
16234 (singlemove_string, output_move_double, output_fp_move_double,
16235 output_block_move, output_and, output_ior, output_ascii,
16236 remove_useless_addtr_insns, milli_names, output_mul_insn,
16237 output_div_insn, output_mod_insn, output_arg_descriptor,
16238 output_cbranch, output_bb, output_bvb, output_dbra, ,
16239 output_millicode_call, output_call, hppa_encode_label,
16240 output_parallel_movb, output_parallel_addb): Constify a char*.
16241 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
16242 (output_parallel_addb): Remove extra arg to `constrain_operands'
16244 * pa.h: Move all prototypes to pa-protos.h.
16245 (pa_cpu_string, pa_arch_string): Constify a char*.
16246 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
16248 * pa.md: Call `function_label_operand' with mode argument.
16249 Likewise for `read_only_operand'.
16250 Fix nesting of parens in call to `symbolic_operand'.
16252 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16254 * i860-protos.h: New file.
16256 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
16259 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
16261 * i860.md: Likewise.
16263 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
16265 * i386.md (movstrsi expander): Rewrite.
16266 (movstrsi_1 insn): Deleted.
16267 (strmovhi, strmovqi expander): New expanders.
16268 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
16269 * i386.c (x86_single_stringop): New global variable.
16270 * i386.h (x86_single_stringop): Declare.
16271 (TARGET_SINGLE_STRINGOP): New macro.
16273 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
16275 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
16276 integer vararg POSTINCREMENT before the destination of the jump
16277 for the hard fp case.
16278 (function_arg_pass_by_reference): Pass a copy of CUM to
16281 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
16282 for CONSTANT_ADDRESS_P above while loop for subreg.
16284 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
16286 * flow.c (propagate_block): When a prologue/epilogue insn
16287 is marked dead, unconditionally clear libcall_is_dead and
16288 insn_is_dead, and only dump rtl if warnings aren't being
16291 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
16293 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
16294 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
16295 (FIXED_REGISTERS): Set dirflag as fixed.
16296 (CALL_USED_REGISTERS): Set dirflag as used.
16297 (REG_ALLOC_ORDER): Set dirflag as last one.
16298 (DIRFLAG_REG): New macro.
16299 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
16300 (HI_REGISTER_NAMES): Add dirflag.
16301 (DEBUF_PRINT_REG): Handle dirflag.
16302 * i386.md (type attribute): New cld and str types.
16303 (length_opcode attribute): Set cld and str to 1.
16304 (memory attribute): Set str to unknown - it is not clear from the
16306 (pent_np function unit): Prefixed string operations takes 12 cycles
16307 minimally; cld takes 2 cycles.
16308 (ppro_uops attribute): Str is "many" and cld is "few".
16309 (ppro_p0 unit): Handle cld here.
16310 (k6_alux unit): Handle cld and str types.
16311 (k6_load unit): It is ocupied by str opcodes.
16312 (k6_store unit): It is ocupied by str opcodes.
16313 (athlon_decode): Str is vector decoded.
16314 (athlon_ieu): Handle str and cld.
16315 (cld pattern): New.
16316 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
16317 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
16318 cmpstrsi_nz_1 insn): Do not output cld instruction
16320 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
16322 * gcc.texi (G++ and GCC): Add Java and Chill.
16323 (Bug Critera): Don't list languages.
16325 * gcc.texi (Incompatibilities): No longer claim most C compilers
16328 * gcc.texi (G++ and GCC): Update other front-ends list.
16330 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
16332 * i386.c (ix86_expand_setcc): Fix typo.
16333 (ix86_expand_movcc): Similarly.
16335 * Band-aid until haifa's bitset implementation is nuked.
16336 * haifa-sched.c (extract_bitlst): New parameter for size of the
16337 bitset in bits. All callers changed. Avoid looking at undefined
16338 bits in the bitset.
16339 (edgeset_bitsize): New variable.
16340 (schedule_region): Initialize edgeset_bitsize.
16342 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16344 * Makefile.in (optabs.o): Depend on real.h
16345 (resource.o): Depend on insn-attr.h
16347 * builtins.c (result_vector): Wrap prototype in macro conditions
16348 governing definition and use.
16350 * c-common.c: Include tm_p.h.
16352 * c-lex.c: Likewise.
16354 * elfos.h: Constify a char*.
16356 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
16357 (get_attr_length, shorten_branches, profile_after_prologue): Mark
16358 parameter with ATTRIBUTE_UNUSED.
16360 * fold-const.c (exact_real_inverse): Wrap variable `i' in
16363 * haifa-sched.c (schedule_insns): Mark parameter with
16366 * optabs.c: Include real.h.
16368 * real.h (ereal_atof): Add prototype arguments.
16370 * resource.c: Include insn-attr.h.
16372 * sdbout.c (sdbout_queue_anonymous_type,
16373 sdbout_dequeue_anonymous_types): Wrap in macro
16374 SDB_ALLOW_FORWARD_REFERENCES.
16375 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
16378 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
16380 * stupid.c: Include tm_p.h.
16382 * tree.c (real_value_from_int_cst): Mark parameter with
16385 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16387 * i960-protos.h: New file.
16389 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
16392 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
16394 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16396 * combine.c (expand_field_assignment): Do not discard SUBREGs
16397 while computing nonzero_bits.
16399 2000-01-09 Nick Clifton <nickc@cygnus.com>
16401 * config/arm/arm.c: Fix compile time warnings about signed vs
16402 unsigned constants.
16403 * config/arm/arm.h: Fix compile time warnings about signed vs
16404 unsigned constants.
16406 2000-01-09 Philip Blundell <philb@gnu.org>
16408 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
16409 than `ldm' with only one register.
16410 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
16413 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
16416 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
16418 * config/ns32k/ns32k.md (load or push effective address): Operand 1
16421 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16423 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
16424 assignment used as truth value.
16426 * function.c (assign_temp): Mark parameter `dont_promote' with
16427 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
16428 PROMOTE_FOR_CALL_ONLY.
16430 * genrecog.c (write_subroutine): Mark variable `operands' with
16433 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
16436 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
16437 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
16439 * toplev.c (note_deferral_of_defined_inline_function): Likewise
16442 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16444 * config/c4x.h: Tidy up comments.
16445 * config/c4x.c: Likewise.
16447 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
16449 * fold-const.c (lshift_double, rshift_double): Handle
16450 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
16452 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16454 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
16455 in prepare_function_start().
16457 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
16459 * config/v850/v850.c (expand_epilogue): Interrupt functions no
16460 longer allocate extra stack for function calls.
16462 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16464 * config/c4x/c4x.md (*subqf3_set): Fix typo.
16466 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16468 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
16470 2000-01-07 David Edelsohn <edelsohn@gnu.org>
16472 * rs6000.c (processor_target_table): Add power3 as alias for 630.
16473 * aix43.h: Revert Aug 2 change.
16474 (HAS_INIT_SECTION): Define, not visible yet.
16475 (LD_INIT_SWITCH): Define, not visible yet.
16476 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
16478 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
16480 * collect2.c (main): Expand ld2 size further.
16481 (export_object_lst): Cast assignment to avoid warning.
16482 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
16483 (scan_prog_file, COFF): Do not collect initialization or
16484 finalization functions generated for entire shared object if
16485 init/fini support present.
16487 2000-01-07 Nick Clifton <nickc@cygnus.com>
16489 * config/elfos.h: Tidy up formatting of marcos. Make sure
16490 that .section directives are always prefixed by a tab.
16492 * config/svr4.h: Add #include "elfos.h" and remove duplicate
16495 2000-01-07 Matt Austern <austern@sgi.com>
16497 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
16500 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
16502 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
16504 (crtbegin.o, s-crtS): Likewise.
16506 2000-01-06 Richard Henderson <rth@cygnus.com>
16508 * alpha.md (adddi_2+1): Limit offset such that it will be
16509 loadable with a single ldah+lda pair.
16510 (adddi_2+2): Explicitly fail split if we can't make it work.
16512 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
16514 * protoize.c: Conditionally include unistd.h.
16515 (IS_SAME_PATH_CHAR): New macro.
16516 (IS_SAME_PATH): New macro.
16517 (CPLUS_FILE_SUFFIX): New macro.
16518 (cplus_suffix): New static variable.
16519 (is_abspath): New static function.
16520 (in_system_include_dir): Handle DOS style pathnames.
16521 (file_could_be_converted): Likewise.
16522 (file_normally_convertible): Likewise.
16523 (directory_specified_p): Likewise.
16524 (file_excluded_p): Likewise.
16525 (abspath): Likewise.
16526 (shortpath): Likewise.
16527 (referenced_file_is_newer): Likewise.
16528 (save_def_or_dec): Likewise.
16529 (do_processing): Likewise.
16531 (edit_file): Likewise. Use rename instead of link.
16532 (rename_c_file): Likewise. Don't rename syscalls file.
16533 (munge_compile_params): Define null device for DOS based systems.
16534 (process_aux_info_file): Use binary mode if appliable.
16535 (edit_file): Likewise.
16536 * invoke.texi (Running Protoize): Document C++ suffixes used.
16538 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
16539 IS_DIR_SEPARATOR macros.
16540 * collect2.c: Likewise.
16541 * cppinit.c: Likewise.
16542 * dwarf2out.c: Likewise.
16544 * gcov.c: Likewise.
16545 * prefix.c: Likewise.
16547 * toplev.c: Likewise.
16548 * system.h: And move to here.
16550 * prefix.c (update_path): Fix typo in variable name.
16552 2000-01-06 Richard Henderson <rth@cygnus.com>
16554 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
16555 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
16556 (count_reg_sets_1, count_reg_references): Likewise.
16557 (flow_loops_level_compute): Start counting actual loop depth at 1.
16558 (flow_loops_find): Likewise.
16559 * local-alloc.c (update_equiv_regs): Likewise.
16560 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
16562 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
16564 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
16565 FIRST_PSEUDO_REGISTER
16566 * dwarf2out.c: Don't include frame.h
16567 * dwarfout.c: Likewise
16568 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
16571 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
16573 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
16576 * i386.c (movsf splitter): Fix typo in my last checkin.
16578 2000-01-05 Nick Clifton <nickc@cygnus.com>
16580 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
16581 own definition of this macro.
16582 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
16583 flag_data_sections or UNIQUE_SECTION_P are true.
16585 * tm.texi (UNIQUE_SECTION): Document that it can be called for
16586 unitialised data decls.
16588 * config/i386/winnt.c (i386_pe_unique_section): Cope with
16589 being called for uninitialised data.
16591 * config/i386/interix.c (i386_pe_unique_section): Cope with
16592 being called for uninitialised data.
16594 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
16595 for uninitialised data.
16597 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
16598 for uninitialised data.
16600 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
16601 for uninitialised data.
16603 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
16604 (UNIQUE_SECTION_P): Always generate a unique section if
16605 flag_data_sections is true.
16606 (UNIQUE_SECTION): Also generate unique sections for
16607 uninitialised data.
16608 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
16609 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
16612 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16614 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
16617 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16619 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
16620 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
16621 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
16622 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
16623 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
16625 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
16627 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
16629 * c-decl.c (finish_enum): Simplify code to determine minimum and
16630 maximum values of the enum, and calculate the type. Remove check
16631 for FUNCTION_DECLs in the values list, which cannot happen. Replace
16632 the DECL_INITIAL of each enumeration constant with a copy converted
16633 to the enumeration type. When updating variant types, don't bother
16634 updating the type itself.
16636 * c-typeck.c (build_binary_op): Simplify conditional expressions
16637 when weeding out spurious signed-unsigned warnings. Add new
16638 spurious warning category: if the unsigned quantity is an enum
16639 and its maximum value fits in signed_type(result_type). Update
16641 (build_conditional_expr): Warn here if one alternative is signed
16642 and the other is unsigned.
16644 2000-01-05 Nick Clifton <nickc@cygnus.com>
16646 * config/fr30/fr30.h: Remove extraneous comments.
16648 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
16650 * reload1.c (choose_reload_regs): When disabling a reload, also
16651 set reload_spill_index to -1.
16653 2000-01-04 Joel Sherrill (joel@OARcorp.com>
16655 * configure.in (m68*-*-rtemscoff*): New target, formal name for
16657 (m68*-*-rtemself*): New target.
16658 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
16659 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
16660 (sparc*-*-rtemself*): New target.
16661 (sparc*-*-rtems*): Now elf not a.out.
16662 * config/i386/rtems.h: Include config/rtems.h.
16663 * config/i386/rtemself.h: Include config/rtems.h.
16664 * config/i960/rtems.h: Include config/rtems.h.
16665 * config/m68k/rtems.h: Include config/rtems.h.
16666 * config/m68k/rtemself.h: Include config/rtems.h.
16667 * config/mips/rtems64.h: Include config/rtems.h.
16668 * config/pa/rtems.h: Include config/rtems.h.
16669 * config/rs6000/rtems.h: Include config/rtems.h.
16670 * config/sh/rtems.h: Include config/rtems.h.
16671 * config/sh/rtemself.h: Include config/rtems.h.
16672 * config/sparc/rtems.h: Include config/rtems.h.
16673 * config/sparc/rtemself.h: Include config/rtems.h
16675 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
16677 * final.c (shorten_branches): Correctly compute length of
16678 asms without operands.
16680 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
16682 * configure.in: Add pj target.
16683 * configure: Regenerate.
16684 * config/pj: New directory.
16685 * config/pj/lib1funcs.S: New file.
16686 * config/pj/linux.h: New file.
16687 * config/pj/pj.c: New file.
16688 * config/pj/pj.md: New file.
16689 * config/pj/pjl.h: New file.
16690 * config/pj/t-pj: New file.
16691 * config/pj/xm-pj.h: New file
16693 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
16695 * toplev.c (rest_of_compilation): Run shorten-branches before
16698 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16700 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
16701 macros so that they're consistent with their names.
16702 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
16703 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
16705 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16707 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
16708 modified inadvertently.
16710 2000-01-04 Joel Sherrill <joel@OARcorp.com>
16712 * configure.in (v850*-*-rtems*): New target.
16713 * configure: Regenerate.
16714 * config/v850/rtems.h: New file.
16716 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
16718 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
16719 (__gthread_key_create): Likewise.
16720 (__gthread_key_dtor): Likewise.
16721 (__gthread_once): Fix logic.
16722 (__gthread_key_delete): Cast away constness.
16724 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
16725 * invoke.texi: Document.
16726 * i386/mingw32.h (CPP_SPEC): Use.
16727 (LIBGCC_SPEC): Likewise.
16728 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
16730 2000-01-04 David Edelsohn <edelsohn@gnu.org>
16732 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
16733 (HANDLE_PRAGMA_PACK): Undefine.
16734 (SLOW_UNALIGNED_ACCESS): Define.
16736 2000-01-04 David Edelsohn <edelsohn@gnu.org>
16738 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
16739 to default definition.
16740 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
16741 (store_fixed_bit_field): Call macro with word_mode and alignment.
16742 (extract_bit_field): Call macro with relevant mode and alignment.
16743 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
16744 to default definition.
16745 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
16747 (move_by_pieces_ninsns): Likewise.
16748 (clear_by_pieces): Likewise.
16749 (emit_push_insn): Likewise.
16750 (store_field): Call macro with relevant mode and alignment.
16751 (expand_expr): Likewise.
16752 (expand_expr_unaligned): Likewise.
16754 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
16755 (SLOW_UNALIGNED_ACCESS): Define.
16756 (CASE_VECTOR_MODE): Always use 32-bit offsets.
16757 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
16758 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
16759 (toc_section): Likewise and .toc pseudo-op.
16760 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
16762 (TEXT_SECTION_ASM_OP): Likewise.
16763 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
16766 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
16767 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
16768 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
16769 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
16770 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
16772 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
16774 * regclass.c: Revert my Jan 4 change to loop cost computation.
16776 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
16778 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
16781 2000-01-04 Stan Cox <scox@cygnus.com>
16783 * haifa-sched.c (build_control_flow): Change unreachable simple
16784 loop test to check if current block has only one predecessor.
16785 (find_rgns): Initialize degree. Use dest as degree index, not src.
16787 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16789 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
16791 * calls.c (expand_call): Likewise for
16792 `old_stack_arg_under_construction'.
16794 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
16796 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
16799 * gcc.c (execute): Likewise for `ut' and `st'.
16801 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
16803 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
16805 * jump.c (jump_optimize_1): Likewise for `temp2'.
16807 * local-alloc.c (block_alloc): Likewise for `r1'.
16809 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
16811 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
16812 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
16814 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
16817 * reload.c (find_reloads): Likewise for `goal_alternative_number'
16818 and `goal_earlyclobber'.
16820 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
16822 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
16824 * stupid.c (stupid_life_analysis): Likewise for `chain'.
16826 * unroll.c (copy_loop_body): Likewise for `copy'.
16828 * varasm.c (output_constructor): Likewise for `byte'.
16830 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
16832 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
16833 all FP constants for constant->reg moves.
16834 (ix86_split_to_parts): Try to convert memory address into immediate
16835 when available in the constant pool.
16836 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
16838 (LEGITIMATE_CONSTANT_P): Return 1.
16839 * i386.md (pushsf): New splitter to convert constant pool memory
16840 reference to immediate.
16841 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
16844 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
16846 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
16847 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
16848 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
16849 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
16850 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
16852 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
16854 * ginclude/stdbool.h: Support compilation as C++.
16856 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16858 * fold-const.c (make_range): Don't try to reverse an unbounded range.
16860 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
16862 * regclass.c (regclass): Properly compute loop_cost. Adjust
16865 * regclass.c: Fix minor whitespace problems.
16867 2000-01-03 Anthony Green <green@cygnus.com>
16869 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
16870 Restore the pic register if required.
16872 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
16874 * c-common.c (format_char_info): Update comment.
16875 (check_format_info): Recognize 'z' modifier in the same way 'Z'
16876 was recognized. Emit warning for formats new in ISO C99 only
16877 if flag_isoc9x is not set.
16879 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
16881 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
16883 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
16885 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
16886 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
16887 (make_compound_operation): Choose cheaper alternative between
16888 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
16890 * regclass.c (op_costs): Remove global variable.
16891 (record_reg_classes): New parameter "op_costs" and "reg_pref".
16892 (record_operand_costs): Break out from ...
16893 (scan_one_insn): ... here.
16894 (dump_regclass): Make dumps nicer.
16895 (regclass): Dump preferrences choosed and changes done during passes.
16897 2000-01-03 Jakub Jelinek <jakub@redhat.com>
16899 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
16901 2000-01-03 Jakub Jelinek <jakub@redhat.com>
16903 * config/sparc/sparc.c (gen_df_reg): New function.
16904 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
16905 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
16906 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
16907 movtf_cc_reg_sp64+1): Use it.
16909 2000-01-02 Mark Mitchell <mark@codesourcery.com>
16911 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
16912 copied LABEL_DECLs.
16914 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
16916 * config/i386/i386.c (ix86_expand_unary_operator): Function
16917 definition made void.
16918 (ix86_expand_binary_operator): Update outdated preceding comment.
16919 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
16922 * config/i386/i386.c (override_options): Fix option-name typo.
16924 2000-01-02 Mark Mitchell <mark@codesourcery.com>
16926 * system.h (CEIL): Define.
16927 * builtins.c (CEIL): Remove.
16928 * expmed.c (CEIL): Likewise.
16929 * expr.c (CEIL): Likewise.
16930 * stor-layout.c (CEIL): Likewise.
16932 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16934 * expr.c (store_constructor_field): Fix typo introduced with last
16937 2000-01-01 Mark Mitchell <mark@codesourcery.com>
16939 * tree.h (BINFO_N_BASETYPES): New macro.
16941 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
16943 * expmed.c (emit_store_flag): Prevent losing a pending stack
16944 adjust the same way we prevent losing queued increments.
16946 See ChangeLog.2 for earlier changes.