1 2000-07-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5 * fp-bit.c: Move common code, prototypes, etc into fp-bit.h.
6 Comment #endif statements.
7 (__thenan_sf, __thenan_df): Add missing braces around initializer.
9 Mon Jul 3 00:32:47 2000 Jeffrey A Law (law@cygnus.com)
11 * gcse.c (compute_pre_data): Compute ae_kill using other local
12 properties instead of calling compute_ae_kill.
14 * alias.c (init_alias_analysis): Do not call
15 prologue_epilogue_contains until after reload has completed.
17 2000-07-02 Benjamin Chelf <chelf@codesourcery.com>
19 * c-common.h (genrtl_begin_compound_stmt): Remove declaration.
20 (genrtl_finish_compound_stmt): Likewise.
21 (genrtl_compound_stmt): Change to return void.
23 * c-semantics.c (genrtl_begin_compound_stmt): Remove function and
24 move code from here to ...
25 (genrtl_compound_stmt): ... here.
26 (genrtl_finish_compound_stmt): Remove.
27 (expand_stmt): Add comment.
29 2000-07-02 Zack Weinberg <zack@wolery.cumb.org>
31 * c-typeck.c (build_indirect_ref): Use COMPLETE_OR_VOID_TYPE_P
34 2000-07-02 Jakub Jelinek <jakub@redhat.com>
36 * cpplib.h (struct cpp_reader): New field include_depth.
37 (struct cpp_printer): Rename last_bsd to last_id.
38 * cppfiles.c (read_include_file): Bump include_depth.
39 * cpplex.c (cpp_pop_buffer): Decrement include_depth.
40 (output_line_command): Output correct #line if a header
41 is including itself and is not protected against multiple inclusion.
42 Use include_depth instead of buffer_stack_depth, last_id instead of
44 * cppinit.c (cpp_start_read): Initialize last_id instead of
47 2000-07-01 Benjamin Chelf <chelf@codesourcery.com>
49 * Makefile.in (C_AND_OBJC_OBJS): Added c-semantics.o.
50 (c-semantics.o): New target.
52 * c-common.h (TREE_LANG_FLAG_?): Added documentation.
53 (genrtl_do_pushlevel): Moved from cp/cp-tree.h.
54 (genrtl_clear_out_block): Likewise.
55 (genrtl_goto_stmt): Likewise.
56 (genrtl_expr_stmt): Likewise.
57 (genrtl_decl_stmt): Likewise.
58 (genrtl_if_stmt): Likewise.
59 (genrtl_while_stmt): Likewise.
60 (genrtl_do_stmt): Likewise.
61 (genrtl_return_stmt): Likewise.
62 (genrtl_for_stmt): Likewise.
63 (genrtl_break_stmt): Likewise.
64 (genrtl_continue_stmt): Likewise.
65 (genrtl_scope_stmt): Likewise.
66 (genrtl_switch_stmt): Likewise.
67 (genrtl_case_label): Likewise.
68 (genrtl_begin_compound_stmt): Likewise.
69 (gerntl_finish_compound_stmt): Likewise.
70 (genrtl_compound_stmt): Likewise.
71 (genrtl_asm_stmt): Likewise.
72 (genrtl_decl_cleanup): Likewise.
73 (DECL_ANON_UNION_ELEMS): Likewise.
74 (emit_local_var): Likewise.
75 (make_rtl_for_local_static): Likewise.
76 (expand_cond): Likewise.
77 (expand_stmt): Likewise.
78 (c_expand_return): Likewise.
79 (c_expand_start_case): Likewise.
81 (COMPOUND_STMT_NO_SCOPE): Likewise.
82 (c_expand_asm_operands): Likewise.
83 (NEW_FOR_SCOPE_P): New macro.
84 (expand_expr_stmt_fn): New type.
86 (set_current_function_name_declared): Likewise.
87 (current_function_name_declared): Likewise.
88 (lang_expand_stmt): Likewise.
89 (stmts_are_full_exprs_p): Likewise.
90 (anon_aggr_type_p): Likewise.
91 (lang_expand_expr_stmt): Likewise.
92 (build_case_label): Likewise.
94 * c-decl.c (lang_expand_expr_stmt): Initialize.
95 (stmts_are_full_exprs_p): Define.
96 (current_function_name_declared): Likewise.
98 (lang_expand_stmt): Likewise.
99 (set_current_function_name_declared): Likewise.
100 (anon_aggr_type_p): Likewise.
102 * c-semantics.c: New file.
103 (expand_cond): Moved from cp/semantics.c.
104 (genrtl_do_pushlevel): Likewise.
105 (genrtl_clear_out_block): Likewise.
106 (genrtl_goto_stmt): Likewise.
107 (genrtl_expr_stmt): Likewise.
108 (genrtl_decl_stmt): Likewise.
109 (genrtl_if_stmt): Likewise.
110 (genrtl_while_stmt): Likewise.
111 (genrtl_do_stmt): Likewise.
112 (genrtl_return_stmt): Likewise.
113 (genrtl_for_stmt): Likewise.
114 (genrtl_break_stmt): Likewise.
115 (genrtl_continue_stmt): Likewise.
116 (genrtl_scope_stmt): Likewise.
117 (genrtl_switch_stmt): Likewise.
118 (genrtl_case_label): Likewise.
119 (genrtl_begin_compound_stmt): Likewise.
120 (genrtl_finish_compound_stmt): Likewise.
121 (genrtl_compound_stmt): Likewise.
122 (genrtl_asm_stmt): Likewise.
123 (genrtl_decl_cleanup): Likewise.
124 (make_rtl_for_local_static): Moved from cp/decl.c.
125 (emit_local_var): Likewise.
126 (expand_stmt): Define.
128 * c-tree.h: (c_expand_asm_operands): Moved to c-common.h.
129 (c_expand_return): Likewise.
130 (c_expand_start_case): Likewise.
132 2000-07-01 Richard Henderson <rth@cygnus.com>
134 * config/ia64/ia64.c (symbolic_operand): Reject CONST expressions
135 with the low 13 bits set.
136 (move_operand): Check for CONST|SYMBOL_REF|LABEL_REF directly.
137 * config/ia64/ia64.md (movdi): Likewise. Expand a CONST with one
138 of the low 13 bits into a CONST plus an adddi3.
139 (load_symptr): Set RTX_UNCHANGING_P.
141 2000-06-30 Mark Mitchell <mark@codesourcery.com>
143 * Makefile.in (c-common.o): Don't depend on c-tree.h or c-lex.h.
144 * c-common.c (ridpointers): Declare.
145 * c-common.h (enum rid): Declare.
147 (ridpointers): Likewise.
148 * c-lex.c (ridpointers): Don't declare.
149 (init_lex): Initialize ridpointers.
150 * c-lex.h (enum rid): Don't declare.
152 (RID_FIRST_MODIFIER): Likewise.
153 (ridpointers): Likewise.
155 2000-06-30 J. David Anglin <dave@hiauly1.hia.nrc.ca>
157 * pa/som.h (ASM_WEAKEN_LABEL): Export weak data symbols so that they
160 2000-06-30 Martin von Loewis <loewis@informatik.hu-berlin.de>
162 * invoke.texi (-Wreturn-type): In C++, a missing return type is
165 2000-06-30 Catherine Moore <clm@cygnus.com>
167 * c-common.c (decl_attributes): Differentiate between
168 types and type decls for alignment.
170 2000-06-30 Nathan Sidwell <nathan@codesourcery.com>
172 * cpp.texi: Document #pragma GCC dependency
173 * cppfiles.c (open_include_file): Set date to unknown.
174 (_cpp_compare_file_date): New function.
175 (read_include_file): Set file date.
176 * cpphash.h (struct include_file): Add date member.
177 (_cpp_compare_file_date): Prototype.
178 * cpplib.c (parse_include): Add trail parameter. Adjust.
179 (do_include): Adjust parse_include call.
180 (do_import): Likewise.
181 (do_include_next): Likewise.
182 (gcc_pragmas): Add dependency pragma.
183 (do_pragma_dependancy): New pragma.
185 2000-06-29 Jason Merrill <jason@redhat.com>
187 * dwarf2out.c (output_loc_operands): Don't abort on codes that have
190 2000-06-29 Jim Wilson <wilson@cygnus.com>
192 * config/ia64/ia64.h (PREFERRED_RELOAD_CLASS): Return NO_REGS for
193 a volatile mem and FR_REGS.
195 2000-06-29 Mark Mitchell <mark@codesourcery.com>
197 * c-common.c: Include c-common.h, not c-lex.h or c-tree.h.
198 * c-common.h (flag_const_strings): Declare.
199 (warn_format): Likewise.
200 (flag_traditional): Likewise.
201 (flag_isoc99): Likewise.
202 (warn_parentheses): Likewise.
203 (warn_conversion): Likewise.
204 (C_TYPE_OBJECT_P): Likewise.
205 (C_TYPE_INCOMPLETE_P): Likewise.
206 (C_TYPE_FUNCTION_P): Likewise.
207 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
208 (C_EXP_ORIGINAL_CODE): Likewise.
209 (build_unary_op): Likewise.
210 (build_binary_op): Likewise.
211 (lvalue_p): Likewise.
212 (default_conversion): Likewise.
213 (common_type): Likewise.
214 * c-tree.h (C_TYPE_OBJECT_P): Remove.
215 (C_TYPE_INCOMPLETE_P): Likewise.
216 (C_TYPE_FUNCTION_P): Likewise.
217 (C_TYPE_OBJECT_OR_INCOMPLETE_P): Likewise.
218 (C_EXP_ORIGINAL_CODE): Likewise.
219 (common_type): Likewise.
220 (default_conversion): Likewise.
221 (build_binary_op): Likewise.
222 (build_unary_op): Likewise.
223 (lvalue_p): Likewise.
224 (flag_const_strings): Likewise.
225 (warn_format): Likewise.
226 (warn_conversion): Likewise.
227 (flag_traditional): Likewise.
228 (flag_isoc99): Likewise.
229 (warn_parentheses): Likewise.
231 2000-06-29 James E. Wilson <wilson@cygnus.com>
233 * config/ia64/linux.h (LINK_SPEC): Change so.1 to so.2.
235 * config/ia64/ia64.h (MODES_TIEABLE_P): Only tie if mode class is the
236 same. Only tie XFmode with XFmode.
238 2000-06-29 Zack Weinberg <zack@wolery.cumb.org>
240 * c-decl.c, timevar.c, tlink.c: Include intl.h.
241 * Makefile.in: Update deps.
243 2000-06-29 Andrew Haley <aph@cygnus.com>
245 * toplev.c (main): On an IA-64, make flag_unwind_tables defauit
248 2000-06-29 Andrew Haley <aph@cygnus.com>
250 * config/ia64/linux.h (JMP_BUF_SIZE): Size is in Pmode units, not
251 bytes: remove the multiply by 8.
253 2000-06-29 Philipp Thomas <pthomas@suse.de>
255 * rtl.c : Revert NLS changes.
256 * gcc.c : Fix bug in display_help introced by my last changes.
258 Wed Jun 28 21:09:33 2000 Raja R Harinath <harinath@cs.umn.edu>
260 * dbxout.c (dbxout_symbol, case RESULT_DECL, VAR_DECL): Use
261 DECL_CONTEXT, not DECL_FIELD_CONTEXT.
263 2000-06-29 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
265 * flow.c (flow_depth_first_order_compute): Fix algorithm.
267 2000-06-28 Philipp Thomas <pthomas@suse.de>
269 * c-decl.c : Mark strings for translation.
270 (parmlist_tags_warning): Use distinct messages instead
271 of conditional expressions.
272 * diagnostic.c (v_message_with_decl): Mark string for translation.
273 * gcc.c: Mark messages for translation.
274 (display_help): Combine messages into one string where necessary.
275 * mips-tfile: Add intl.h. Mark messages for translation.
276 * rtl.c (fatal_with_file_and_line): Modify function for NLS. Mark
277 messages for translation.
278 * timevar.c: Mark messages for translation.
280 * toplev.c: Likewise.
282 Wed Jun 28 15:39:26 2000 Donn Terry (donnte@microsoft.com)
284 * i386-interix.h (STRIP_NAME_ENCODING): Declare _new_name properly.
286 * alpha/alpha-interix.h: Delete redundant -Asystem(interix),
287 use -isystem instead of -idirafter.
288 * i386/i386-interix.h: Likewise.
290 2000-06-28 Jason Merrill <jason@redhat.com>
292 * dwarf2out.c (output_loc_operands): Don't support >1 byte output
293 unless DWARF2_DEBUGGING_INFO is defined.
294 (ASM_OUTPUT_DWARF_*): Wrap normal output defs with #ifndefs.
296 2000-06-28 Richard Henderson <rth@cygnus.com>
298 * config/alpha/alpha.c (summarize_insn): Ignore SCRATCH.
300 2000-06-28 Jakub Jelinek <jakub@redhat.com>
302 * cpplex.c (output_line_command): Output correct #line if a header
303 is including itself and is not protected against multiple inclusion.
305 2000-06-28 Zack Weinberg <zack@wolery.cumb.org>
307 * cppfiles.c (open_include_file): If open(2) returns EMFILE or
308 ENFILE, close all cached file descriptors and try again.
309 (_cpp_execute_include): Keep a count of the number of times
310 each header is included.
311 (close_cached_fd): New function.
312 * cpphash.h (struct include_file): Rename before to
313 include_count; all users updated. Make include_count and sysp
315 * cppinit.c (cpp_finish): If -H, report headers that could use
317 (report_missing_guard): New function.
319 Wed Jun 28 14:46:58 MET DST 2000 Jan Hubicka <jh@suse.cz>
321 * i386.md (prologue_set_got): Set length_immediate field.
322 (testqi_ccno_1): Add missing '@' character.
324 2000-06-27 Jason Merrill <jason@redhat.com>
326 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Use
329 2000-06-27 Andrew Macleod <amacleod@cygnus.com>
331 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA2): Provide default when no
332 unsigned macros available.
334 2000-06-27 Richard Henderson <rth@cygnus.com>
336 * config/ia64/ia64.c (emit_insn_group_barriers): Special case
337 epilogue_deallocate_stack.
339 * config/ia64/ia64.c (ia64_print_operand) [case D]: Emit
340 completers for UNORDERED and ORDERED as well.
341 * config/ia64/ia64.md (bunordered, bordered): New.
342 (sunordered, sordered): New.
344 Tue Jun 27 12:14:12 MET DST 2000 Jan Hubicka <jh@suse.cz>
346 * genattrtab.c (write_attr_value): Do not abort for CONST_INT operands.
347 * i386.c (ix86_attr_length_default): Kill.
348 (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
350 * i386-protos.h (ix86_attr_length_default): Kill
351 (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
353 * i386.md (attribute type): Add "test".
354 (attribute length_prefix): Kill.
355 (attribute length_opcode): Kill.
356 (attribute i387, mode, length_immediate, length_address, prefix_data16,
357 prefix_rep, prefix_0f, modrm): New.
358 (attribute length): Compute using the new attributes.
359 (attribute pent_prefix): New.
360 (attribute pent_pair): Compute using pent_prefix.
361 (all insn patterns): Set mode,modrm and immediate_length attributes where
363 (cmpsi patterns): Compute sizes propertly for test instruction.
364 (movsi, movhi patterns): Compute sizes propertly for eax shortcuts.
365 (movstricthi_xor, movstrictqi_xor): New patterns.
366 (andsi/andhi): Use splitters to generate xor instructions.
367 (xorqi_ext_1): New pattern.
368 (movstricthi->movstricthi_xor peep2): New.
370 Tue Jun 27 12:03:03 MET DST 2000 Jan Hubicka <jh@suse.cz>
372 * i386.md (addqi_low_1): Remove.
374 2000-06-27 Philipp Thomas <pthomas@suse.de>
376 * 1750a.h: Mark help strings for options/switches for translation.
381 * riscix.h: Likewise.
383 * clipper.h: Likewise.
384 * convex.h: Likewise.
390 * cygwin.h: Likewise.
394 * osf1elf.h: Likewise.
395 * osfrose.h: Likewise.
399 * paragon.h: Likewise.
405 * mn10300.h: Likewise.
413 * rs6000.h: Likewise.
416 * linux64.h: Likewise.
417 * sp64-elf.h: Likewise.
421 * convex.h (TARGET_SWITCHES): Provide descriptions and mark them
423 * sp86x-aout.h: Remove bogus first definition of SUBTARGET_SWITCHES.
424 Properly document option and mark for translation.
425 * sp86x-elf.h: Likewise.
427 2000-06-27 Bernd Schmidt <bernds@cygnus.co.uk>
429 Add MMX and SSE registers to i386 machine description.
430 * i386-protos.h (ix86_constant_alignment, ix86_data_alignment,
431 ix86_local_alignment): Declare.
433 * i386.h (TARGET_MMX, TARGET_SSE): New.
434 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
435 REG_ALLOC_ORDER, HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
436 REG_CLASS_NAMES, REG_CLASS_CONTENTS,REG_CLASS_FROM_LETTER,
437 enum reg_class, HI_REGISTER_NAMES): Added MMX/SSE registers.
438 (FIRST_SSE_REG, LAST_SSE_REG, SSE_REGNO_P): New.
439 (FIRST_MMX_REG, LAST_MMX_REG, MMX_REGNO_P, MMX_REG_P): New macros.
440 (RETURN_IN_MEMORY): Handle MMX/SSE.
441 (REG_PARM_STACK_SPACE): Added so the first three TImode parameters
442 also get stack space.
443 (MUST_PASS_IN_STACK): Added TImode to the default definition.
444 (CUMULATIVE_ARGS): Added sse_nregs, sse_regno and sse_words.
445 (MMX_REGISTER_NAMES): New.
446 (ALIGN_MODE_128): New macro.
447 (CONSTANT_ALIGNMENT): Code moved out-of-line; just call the function.
448 (DATA_ALIGNMENT): Likewise.
449 (LOCAL_ALIGNMENT): Likewise.
450 (CONDITIONAL_REGISTER_USAGE): Make MMX/SSE regs fixed if not
451 TARGET_MMX/TARGET_SSE.
452 (VALID_SSE_REG_MODE, VALID_MMX_REG_MODE): New macros.
453 (REG_CLASS_FROM_LETTER): 'y' for MMX regs.
454 (SECONDARY_MEMORY_NEEDED): Be conservative about copying between
455 SSE/MMX regs and something else.
456 (CLASS_MAX_NREGS): 1 for SSE and MMX regs.
457 (REGISTER_MOVE_COST): 10 if trying to move between MMX and SSE regs,
458 3 if moving between MMX regs and something else.
460 * i386.c (reg_class): Add SSE_REGS, MMX_REGS.
461 (regclass_map): Add MMX/SSE registers.
462 (print_operand): Add code to print XMMWORD as appropriate.
463 (ix86_split_movdi): Abort for MMX regs.
464 (init_cumulative_args): Also allow SSE_REGS
465 (function_arg_advance, function_arg): Likewise
466 (print_reg): Support 'm'. Add case for TImode.
467 (override_options): TARGET_SSE implies TARGET_MMX.
468 (ix86_constant_alignment, ix86_data_alignment, ix86_local_alignment):
471 * config/i386/unix.h (VALUE_REGNO): VECTOR_MODE values go to
473 * config/i386/ptx4-i.h (RETURN_IN_MEMORY): Return MMX values in
475 * config/i386/sysv4.h (RETURN_IN_MEMORY): Likewise.
476 * config/i386/i386elf.h (RETURN_IN_MEMORY): Likewise.
478 2000-06-26 Geoff Keating <geoffk@cygnus.com>
480 * ssa.c (struct rename_set_data): Change the name of field
481 'set_dest' to 'old_reg'. Add comments.
482 (struct rename_context): Change the name of 'set_data' to
483 'new_renames'. Add new field 'done_renames'.
484 (create_delayed_rename): New function.
485 (apply_delayed_renames): New function.
486 (rename_insn_1): Use the new functions. Handle CLOBBERS. Handle
487 SUBREGs and similar by emitting a move.
488 (new_registers_for_updates): Delete, functionality moved to
489 apply_delayed_renames.
490 (rename_block): Handle moves emitted by rename_insn_1 by putting
491 them into a SEQUENCE with the original insn. Add sanity checks
493 (rename_equivalent_regs_in_insn): Don't handle SUBREGs specially.
494 (rename_equivalent_regs): Expand SEQUENCEs out to individual insns.
496 2000-06-26 Andrew Macleod <amacleod@cygnus.com>
497 Jason Merrill <jason@redhat.com>
499 * dwarf2.h (enum dwarf_call_frame_info): Add
500 DW_CFA_def_cfa_expression.
501 * dwarf2out.c (union dw_cfi_oprnd_struct): Add a pointer to a
502 dw_loc_descr_struct entry.
503 (struct cfa_loc): New structure to track a CFA location.
504 (lookup_cfa): Take a cfa_loc parameter instead of a reg and an offset.
505 (lookup_cfa_1): Take a cfa_loc parameter instead of a reg and an
506 offset, plus handle DW_CFA_def_cfa_expression.
507 (def_cfa_1): Use to be dwarf2out_def_cfa, only now it uses a
509 (dwarf2out_def_cfa): Entry point maintained for compatability.
510 (dwarf_cfi_name): Add DW_CFA_def_cfa_expression.
511 (cfa_reg, cfa_offset): Replace with cfa_loc record 'cfa'.
512 (cfa_store_reg, cfa_store_offset): Replace with cfa_loc 'cfa_store'.
513 (initial_return_save, dwarf2out_stack_adjust): Use cfa.reg, not
515 (dwarf2out_frame_debug_expr): Use new cfa_loc records. Recognize rtl
516 sequences for the new DW_CFA_def_cfa_expression record.
517 (dwarf2out_frame_debug): Use new variables/fields.A
518 (output_cfi): Handle DW_CFA_def_cfa_expression.
519 (output_cfa_loc): New function to generate a CFI record for
520 DW_CFA_def_cfa_expression.
521 (get_cfa_from_loc_descr): New function to get a cfa_loc record from
522 a dw_loc_descr sequeunce.
523 (build_loc_descr): Build a dw_loc_descr from a cfa_loc record.
524 (dwarf_stack_op_name, new_loc_descr, add_loc_descr, size_of_loc_descr,
525 size_of_locs, output_loc_operands, output_loc_sequence): Move into
527 * frame.h (frame_state): Add base_offset and indirect fields.
528 * frame-dwarf2.c (decode_stack_op): New function to interpret a
529 dw_loc_descr operation.
530 (execute_cfa_insn): Add support for DW_CFA_def_cfa_expression.
531 (struct frame_state): Add base offset and indirect fields.
532 * libgcc2.c (next_stack_level): Support indirect loading for CFA.
534 2000-06-26 Joseph S. Myers <jsm28@cam.ac.uk>
536 * c-decl.c (grokdeclarator): Don't warn about `long long' in C99.
537 Make warnings about implicit int be pedwarns in C99. Don't warn
538 about duplicate type qualifiers in C99.
539 (start_function): Make warning about implict int return type be a
541 * c-lex.c (yylex): Don't warn about `long long' in C99.
542 * c-typeck.c (c_expand_return): In C99, always pedwarn about
543 `return' with no value in function returning non-void.
545 2000-06-26 Richard Henderson <rth@cygnus.com>
547 * c-typeck.c (pedwarn_c99): New.
548 * diagnostic.c (verror, vwarning, vpedwarn): Export.
549 * toplev.h: Prototype them.
551 2000-06-26 J. David Anglin <dave@hiauly1.hia.nrc.ca>
553 * c-typeck.c (digest_init): Return error_mark_node node when
554 TREE_TYPE (init) == error_mark_node.
556 2000-06-26 Philipp Thomas <pthomas@suse.de>
558 * aclocal.m4 (AM_WITH_NLS): Don't set MSGFMT or GMSGFMT to no,
559 test for msgfmt without path instead.
560 * configure: Rebuilt.
562 2000-06-25 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
564 * gengenrtl.c (special_rtx): Fix typo in comment.
566 2000-06-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
568 * mklibgcc.in (LIB2FUNCS): Add missing space.
570 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
572 * tree.h (enum tree_index): Add vector type nodes.
573 Add accessor macros for them.
574 (TYPE_REPRESENATION_TYPE): New macro.
575 * tree.c (build_common_tree_nodes_2): Build these nodes.
576 (finish_vector_type): New function.
577 * c-common.c (type_for_mode): Handle vector modes.
578 * tm.texi (VECTOR_MODE_SUPPORTED_P): Document.
580 * dbxout.c (dbxout_type): Handle VECTOR_TYPEs.
581 * dwarf.h (enum dwarf_fundamental_type): Add 128 bit integers.
582 * dwarf2out.c (lookup_type_die): Handle VECTOR_TYPEs.
583 (gen_type_die): Likewise.
584 * dwarfout.c (dwarf_fund_type_name): Handle 128 bit integers.
585 (fundamental_type_code): Likewise.
586 (type_is_fundamental): VECTOR_TYPEs aren't.
587 (output_type): Handle VECTOR_TYPEs.
589 2000-06-25 Kazu Hirata <kazu@hxi.com>
591 * config/arm.c: Fix a comment typo.
592 * config/arm.h: Likewise.
594 2000-06-25 Philipp Thomas <pthomas@suse.de>
596 * aclocal.m4 (AM_WITH_NLS): Set create_catalogs=no if no catalog
598 AM_GNU_GETTEXT: Don't set CATALOGS if create_catalogs=no.
599 * configure: Rebuilt.
601 2000-06-25 John David Anglin <dave.anglin@nrc.ca>
603 * config/vax/vax.h (TARGET_SWITCHES): Provide descriptions.
605 2000-06-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
607 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2FUNCS when generating
610 2000-06-24 Marc Espie <espie@cvs.openbsd.org>
612 * collect2.c (resolve_lib_name): Move '/' check out of loop.
614 2000-06-24 Dirk Duellmann <Dirk.Duellmann@cern.ch>
616 * ginclude/stddef.h (NULL): define for non-gnu C++ parsers as 0.
618 2000-06-24 Jakub Jelinek <jakub@redhat.com>
620 * stmt.c (expand_decl_cleanup): Emit a dummy insn after
621 last_unconditional_cleanup.
623 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
625 * tree.def (VECTOR_TYPE): New node type.
626 * tree.h: Adjust some comments to reflect addition of vector types.
627 (TYPE_VECTOR_SUBPARTS): New macro.
628 * stor-layout.c (layout_type): Handle VECTOR_TYPE.
629 * c-convert.c (convert): Likewise.
630 * convert.c (convert_to_integer): Handle vector modes.
631 (convert_to_vector): New function.
632 * convert.h (convert_to_vector): Declare.
633 * expr.c (convert_move): Handle vector modes.
634 * expmed.c (extract_bit_field): Don't abort for vector modes.
636 2000-06-24 Marek Michalkiewicz <marekm@linux.org.pl>
638 * config/avr/avr-protos.h (avr_hard_regno_mode_ok): New prototype.
639 * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr):
640 New functions, common code moved from function_{prologue,epilogue}
641 and extended to support the -mtiny-stack option.
642 (function_prologue, function_epilogue): Use them.
643 Use lo8/hi8 consistently for asm output readability.
644 (avr_hard_regno_mode_ok): New function.
645 * config/avr/avr.h (TARGET_SWITCHES): Fix typo. Add -mtiny-stack.
646 (UNITS_PER_WORD): Define as 4 (not 1) when compiling libgcc2.c.
647 (HARD_REGNO_MODE_OK): Call the avr_hard_regno_mode_ok function.
648 * config/avr/avr.md (*mov_sp_r): Add support for -mtiny-stack.
649 Write SPH before SPL.
650 (*movqi): No need to disable interrupts for just one "out"
651 in alternative 5. Change length attribute from 4 to 1.
652 * config/avr/libgcc.S (__prologue_saves__, __epilogue_restores__):
653 Write SPH before SPL.
655 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
657 * rtl.texi (Vector Operations): New node.
658 (Arithmetic): Add ss_plus, us_plus, ss_minus, us_minus.
659 (Conversions): Add ss_truncate, us_truncate.
660 * rtl.def (VEC_MERGE, VEC_SELECT, VEC_CONCAT, VEC_REORDER,
661 VEC_CONST, VEC_DUPLICATE, SS_PLUS, SS_MINUS, SS_TRUNCATE,
662 US_TRUNCATE): New rtx codes.
663 * machmode.def: Add vector modes.
664 * machmode.h (enum mode_class): Add MODE_VECTOR_INT and
666 (INTEGER_MODE_P): Check for MODE_VECTOR_INT.
667 (FLOAT_MODE_P): Check for MODE_VECTOR_FLOAT.
668 (VECTOR_MODE_P): New.
670 2000-06-24 Nathan Sidwell <nathan@codesourcery.com>
672 * cpp.texi: Clarify #pragma GCC namespace.
674 2000-06-24 Philipp Thomas <pthomas@suse.de>
676 * aclocal.m4(AM_GNU_GETTEXT): If LINGUAS isn't set, build
677 all catalogs specified in ALL_LINGUAS.
678 * configure: Rebuilt.
680 2000-06-23 Jakub Jelinek <jakub@redhat.com>
682 * config/sparc/sparc.md (reload_outdi+1): Handle
683 HOST_BITS_PER_WIDE_INT == 64 case correctly.
684 (adddi3_insn_sp32+1, adddi3_insn_sp32+2, andsi3+2): Likewise.
686 2000-06-23 Geoffrey Keating <geoffk@cygnus.com>
688 * alias.c (fixed_scalar_and_varying_struct_p): Don't examine
689 struct vs. scalar-ness when -fno-strict-aliasing.
691 2000-06-23 Nathan Sidwell <nathan@codesourcery.com>
693 * cpplib.c (struct pragma_entry): New structure.
694 (pragma_dispatch): Pragma dispatcher.
695 (top_pragmas, gcc_pragmas): New static variables.
696 (do_pragma): Use pragma_dispatch.
697 (do_pragma_gcc): New pragma handler.
700 2000-06-23 Jakub Jelinek <jakub@redhat.com>
702 * calls.c (compute_argument_addresses): Force stack slots into
704 * expr.c (emit_push_insn): Force pushes into alias set 0.
706 2000-06-23 Richard Henderson <rth@cygnus.com>
708 * config/ia64/ia64.md (pred_rel_mutex): Only take one register.
709 * config/ia64/ia64.c (emit_predicate_relation_info): Adjust to match.
711 2000-06-22 Jason Merrill <jason@redhat.com>
713 * toplev.c (compile_file): Always call timevar_print.
714 * Makefile.in (calls.o): Depend on TIMEVAR_H.
716 2000-06-22 Nathan Sidwell <nathan@codesourcery.com>
718 * varasm.c (constant_descriptor): Make contents unsigned char.
719 (mark_const_hash_entry): Adjust.
720 (const_hash): Just hash the code of unknown nodes.
721 (compare_constant_1): Adjust for unsigned char.
722 Use language specific expander on unknown nodes.
723 (record_constant_1): Likewise.
725 2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
727 * cppfiles.c (cpp_make_system_header): New function.
728 * cpplib.h: Prototype it.
729 * cpplib.c (do_line, do_pragma_system_header): Use it.
730 * fix-header.c (read_scan_file): Use it.
732 * fix-header.c (check_macro_names): Cast second arg of
733 cpp_defined to const unsigned char *.
734 (read_scan_file): Make getchar_call const unsigned char.
736 2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
738 * cppfiles.c: Include splay-tree.h, not hashtab.h.
739 (redundant_include_p, make_IHASH, hash_IHASH, eq_IHASH): Delete.
740 (destroy_include_file_node): New.
741 (_cpp_init_include_hash): Rename _cpp_init_include_table.
742 Create a splay tree, not a hash table.
743 (open_include_file): Look up the path in the include table,
744 do the multiple include optimization here, etc.
745 (cpp_included): Walk the path.
746 (find_include_file): Just walk the path calling
747 open_include_file, or call it directly for an absolute path.
748 (_cpp_fake_ihash): Rename _cpp_fake_include and update for new
750 (read_include_file): Update for new scheme. Don't close the
751 file unless reading fails.
752 (_cpp_execute_include, cpp_read_file): Tweak for new scheme.
754 * cpphash.h (struct ihash, NEVER_REINCLUDE): Delete.
755 (struct include_file): New.
756 (NEVER_REREAD, DO_NOT_REREAD, CPP_IN_SYSTEM_HEADER): New
758 (CPP_PEDANTIC, CPP_WTRADITIONAL): Update.
761 * cppinit.c: Include splay-tree.h.
762 (cpp_reader_init, cpp_cleanup): Update.
764 * cpplib.h (struct cpp_buffer): Change ihash field to
765 'struct include_file *inc'. Remove system_header_p.
766 (struct cpp_reader): Change all_include_files to a
767 struct splay_tree_s *.
769 * cpplex.c: Update all references to cpp_buffer->ihash and/or
770 cpp_buffer->system_header_p.
771 (cpp_pop_buffer): Close file here, only if DO_NOT_REREAD.
773 * Makefile.in (SPLAY_TREE_H): New macro.
774 (cppfiles.o, cppinit.o): Update dependencies.
776 Wed Jun 21 11:05:48 2000 Martin Buchholz <martin@xemacs.org>
778 * invoke.texi (g++): "g++" is not a script anymore.
780 2000-06-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
782 * function.c (round_down): Delete obsolete prototype.
784 * pa.h (CPP_SPEC): Add whitespace after -D__STDC_EXT__.
786 2000-06-20 Zack Weinberg <zack@wolery.cumb.org>
788 * configure.in: Use 'test a = b' not 'test a == b'.
791 * Makefile.in (fix-header): Link with $(LIBS) not $(HOST_LIBS).
793 * Makefile.in: Remove all references to HOST_INTLLIBS.
795 * cpplex.c (parse_name): Don't warn about $ in identifiers if
798 2000-06-20 Philipp Thomas <pthomas@suse.de>
800 * config/pa/pa.h(TARGET_SWITCHES): Require binutils 2.10 or later
803 Mon Jun 19 23:26:40 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
805 * Take REG_INC notes into account.
807 2000-06-19 Zack Weinberg <zack@wolery.cumb.org>
809 * c-parse.in (undeclared_variable_notice): Moved to c-typeck.c.
810 (primary: IDENTIFIER): Just call build_external_ref.
811 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
813 * c-lex.c (lastiddecl): Remove.
814 (yylex): Replace all instances of lastiddecl with local
817 * c-typeck.c (build_external_ref): New function. Treat decls
818 with C_DECL_ANTICIPATED mostly the same as nonexistent decls.
819 Look up the decl from the id here. Call lookup_objc_ivar.
820 * c-lang.c (lookup_objc_ivar): Stub.
821 * objc/objc-act.c (lookup_objc_ivar): New function.
823 * c-tree.h: Prototype lookup_objc_ivar and build_external_ref.
824 * c-lex.h: Don't declare lastiddecl.
826 2000-06-19 Benjamin Chelf <chelf@codesourcery.com>
828 * c-common.h (IF_COND): Added documentation.
829 (THEN_CLAUSE): Likewise.
830 (ELSE_CLAUSE): Likewise.
831 (WHILE_COND): Likewise.
832 (WHILE_BODY): Likewise.
835 (RETURN_EXPR): Likewise.
836 (EXPR_STMT_EXPR): Likewise.
837 (FOR_INIT_STMT): Likewise.
838 (FOR_COND): Likewise.
839 (FOR_EXPR): Likewise.
840 (FOR_BODY): Likewise.
841 (SWITCH_COND): Likewise.
842 (SWITCH_BODY): Likewise.
843 (CASE_LOW): Likewise.
844 (CASE_HIGH): Likewise.
845 (GOTO_DESTINATION): Likewise.
846 (COMPOUND_BODY): Likewise.
847 (ASM_CV_QUAL): Likewise.
848 (ASM_STRING): Likewise.
849 (ASM_OUTPUTS): Likewise.
850 (ASM_INPUTS): Likewise.
851 (ASM_CLOBBERS): Likewise.
852 (DECL_STMT_DECL): Likewise.
853 (STMT_EXPR_STMT): Likewise.
854 (LABEL_STMT_LABEL): Likewise.
856 * c-common.def: Added documenetion for SRCLOC, EXPR_STMT,
857 COMPOUND_STMT, DECL_STMT, IF_STMT, FOR_STMT, WHILE_STMT, DO_STMT,
858 RETURN_STMT, BREAK_STMT, CONTINUE_STMT, SWITCH_STMT, GOTO_STMT,
859 LABEL_STMT, ASM_STMT, SCOPE_STMT, CASE_LABEL, STMT_EXPR.
861 2000-06-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
863 * configure.in (--enable-checking): Update --help doc to reflect
864 new defaults. Ensure $ac_save_IFS is set before $IFS is changed.
866 Sun Jun 18 21:42:15 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
868 * gcse.c (insert_insn_end_bb): Always put after NOTE_INSN_BASIC_BLOCK.
870 * function.c (put_var_into_stack): Don't reference DECL_ fields
871 if input is a SAVE_EXPR.
872 Use set_mem_attributes in COMPLEX case.
874 2000-06-18 Richard Henderson <rth@cygnus.com>
876 * config/ia64/ia64-protos.h (process_for_unwind_directive): Declare.
877 (ia64_file_start): Declare.
878 * config/ia64/ia64.h (ADDL_REGNO_P): Don't compare unsigned against 0.
879 (GR_REGNO_P): Likewise.
880 * config/ia64/ia64.c: Many prototypes.
881 (ia64_reg_numbers): Constify.
882 (ia64_input_reg_names, ia64_local_reg_names): Likewise.
883 (ia64_section_threshold): Make unsigned.
884 (ia64_print_operand): Constify.
885 (fix_range): Constify.
886 (ia64_init_builtins): Don't compare signed vs unsigned.
887 (ia64_expand_builtin): Likewise.
889 * config/ia64/ia64.h (EXTRA_CONSTRAINT): New.
890 (CONSTRAINT_OK_FOR_Q): New.
891 * config/ia64/ia64.md (movdi_internal): Use Q for fp<->mem.
892 (movsf_internal, movdf_internal): Likewise.
893 (cmovdi_internal): Rewrite so that constraints and predicates match;
895 (cmovsi_internal): Likewise.
897 * config/ia64/ia64.h (ASM_SPEC): Add -x for gas.
898 (ASM_FILE_START): New.
899 * config/ia64/ia64.c (ia64_file_start): New.
900 (rtx_needs_barrier): Handle pred.rel.mutex.
901 (emit_predicate_relation_info): New.
902 * config/ia64/ia64.md (pred_rel_mutex): New.
903 * config/ia64/linux.h (ASM_SPEC): Define.
904 * config/ia64/sysv4.h (ASM_FILE_START): Define.
906 * config/ia64/ia64.c (ia64_encode_section_info): Fix thinko
907 filtering global register variables.
909 2000-06-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
911 * c-common.c (add_c_tree_codes): Fix definition for traditional C.
913 2000-06-17 Michael Meissner <meissner@redhat.com>
915 * gcc.c (do_spec_1, '%v3' case): Do not abort if patch level is
916 not present and there is a field after a '-'.
918 2000-06-17 Bruce Korb <bkorb@gnu.org>
920 * fixinc/check.tpl: finish the implementation of multiple tests
922 * fixinc/inclhack.def(ctrl_quotes_def): add a second test
923 (io_quotes_def): add a second test
924 (various): reorder `files' so that "limits.h" is never first
925 * fixinc/tests/base/*: update the testing output
927 Sat Jun 17 10:33:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
929 * gcc.texi: Remove reference to stupid.c.
931 2000-06-16 Benjamin Chelf <chelf@codesourcery.com>
933 * c-common.c (c_tree_code_type): New array.
934 (c_tree_code_length): Likewise.
935 (c_tree_code_name): Likewise.
936 (add_c_tree_codes): New function.
938 * c-common.h (add_c_tree_codes): Declare.
939 (enum c_tree_code): New enum.
941 * c-lex.c (init_parse): Added call to add_c_tree_codes.
943 2000-06-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
945 * fixinc/inclhack.def (ctrl_quotes_def, io_quotes_def): Modify
946 select pattern to also match macro defs with only one argument.
948 Thu Jun 15 18:56:12 2000 Jeffrey A Law (law@cygnus.com)
950 * i386.md: Create new [right,left] rotate and right shift
951 patterns to optimize shift by 1 bit for certain ia32 processors.
952 Update patterns which perform left shifts to optimize shift by
953 1 bit for certain ia32 processors.
954 * i386.c (const_int_1_operand): New predicate.
955 * i386.h (PREDICATE_CODES): Handle const_int_1_operand.
956 * i386-protos.h (const_int_1_operand): Prototype.
958 Wed Jun 14 23:46:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
960 * mips.c (machine_dependent_reorg): Fix braces for nested if.
962 2000-06-14 Geoff Keating <geoffk@cygnus.com>
964 * rs6000.c (toc_hash_eq): Use CODE_LABEL_NUMBER to compare
967 2000-06-14 Richard Henderson <rth@cygnus.com>
969 * conflict.c (conflict_graph_compute): Don't look for REG_INC.
971 * config/ia64/ia64.c (ia64_setup_incoming_varargs): Don't emit
974 * print-rtl.c (print_rtx): Emit space before mem alias set.
976 2000-06-14 David Edelsohn <edelsohn@gnu.org>
978 * rs6000.c (expand_block_move): Fix typo in earlier change.
979 (print_operand): Remove unused variables neg and op.
980 (toc_hash_mark_entry): Fix prototype.
982 2000-06-14 Benjamin Chelf <chelf@codesourcery.com>
984 * c-common.h (IF_COND): Moved here from cp/cp-tree.h.
985 (THEN_CLAUSE): Likewise.
986 (ELSE_CLAUSE): Likewise.
987 (WHILE_COND): Likewise.
988 (WHILE_BODY): Likewise.
991 (RETURN_EXPR): Likewise.
992 (EXPR_STMT_EXPR): Likewise.
993 (FOR_INIT_STMT): Likewise.
994 (FOR_COND): Likewise.
995 (FOR_EXPR): Likewise.
996 (FOR_BODY): Likewise.
997 (SWITCH_COND): Likewise.
998 (SWITCH_BODY): Likewise.
999 (CASE_LOW): Likewise.
1000 (CASE_HIGH): Likewise.
1001 (GOTO_DESTINATION): Likewise.
1002 (COMPOUND_BODY): Likewise.
1003 (ASM_CV_QUAL): Likewise.
1004 (ASM_STRING): Likewise.
1005 (ASM_OUTPUTS): Likewise.
1006 (ASM_INPUTS): Likewise.
1007 (ASM_CLOBBERS): Likewise.
1008 (DECL_STMT_DECL): Likewise.
1009 (STMT_EXPR_STMT): Likewise.
1010 (LABEL_STMT_LABEL): Likewise.
1011 (SCOPE_BEGIN_P): Likewise.
1012 (SCOPE_END_P): Likewise.
1013 (SCOPE_STMT_BLOCK): Likewise.
1014 (SCOPE_NULLIFIED_P): Likewise.
1015 (SCOPE_NO_CLEANUPS_P): Likewise.
1016 (SCOPE_PARTIAL_P): Likewise.
1017 (ASM_VOLATILE_P): Likewise.
1018 (STMT_LINENO): Likewise.
1019 (STMT_LINENO_FOR_FN_P): Likewise.
1021 * c-common.def: New file. Added SRCLOC, SIZEOF_EXPR, ARROW_EXPR,
1022 ALIGNOF_EXPR, EXPR_STMT, COMPOUND_STMT, DECL_STMT, IF_STMT,
1023 FOR_STMT, WHILE_STMT, DO_STMT, RETURN_STMT, BREAK_STMT,
1024 CONTINUE_STMT, SWITCH_STMT, GOTO_STMT, LABEL_STMT, ASM_STMT,
1025 SCOPE_STMT, CASE_LABEL, STMT_EXPR.
1027 * gencheck.c (tree_codes[]): Added '#include "c-common.def"'.
1029 2000-06-14 David O'Brien <obrien@FreeBSD.org>
1031 * gcc.c (main): Quiet compiler warnings. argv is assumed to be
1032 writable in parts of the GCC code.
1034 * config/elfos.h (ASM_GENERATE_INTERNAL_LABEL): Make printf
1035 specification match cast.
1037 Wed Jun 14 09:25:57 2000 Jeffrey A Law (law@cygnus.com)
1039 * configure.in: Revert AC_TYPE_GETGROUPS patch from June 13.
1040 * configure, config.in: Rebuilt.
1041 * sys-protos.h: Similarly.
1043 Wed Jun 14 03:39:58 EDT 2000 John Wehle (john@feith.com)
1045 * ifcvt.c (EDGE_COMPLEX): Move definition ...
1046 * basic-block.h (EDGE_COMPLEX): ... here.
1048 * loop.c (check_dbra_loop): Specify the register when
1049 generating REG_NONNEG notes and don't generate duplicates.
1051 2000-06-13 Jakub Jelinek <jakub@redhat.com>
1053 * tree.h (TYPE_USER_ALIGN, DECL_USER_ALIGN): Define.
1054 (struct tree_type, struct tree_decl): Add user_align member.
1055 * stor-layout.c (layout_decl): Set DECL_USER_ALIGN.
1056 (place_union_field): If BIGGEST_FIELD_ALIGNMENT is defined
1057 and DECL_USER_ALIGN 0, cap alignment to this value.
1058 (place_field): Likewise.
1059 (finalize_type_size): Set TYPE_USER_ALIGN.
1060 (layout_type): Likewise.
1061 (initialize_sizetypes): Likewise.
1062 * c-common.c (decl_attributes): Set TYPE_USER_ALIGN resp.
1063 DECL_USER_ALIGN to 1.
1064 * c-decl.c (duplicate_decls): Set DECL_USER_ALIGN.
1065 (xfer_tag): Set TYPE_USER_ALIGN.
1066 (finish_struct): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
1067 (finish_enum): Likewise.
1068 * stmt.c (expand_decl): Set DECL_USER_ALIGN.
1069 (expand_anon_union_decl): Likewise.
1070 * tree.c (make_node): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
1071 (build_index_type): Set TYPE_USER_ALIGN.
1072 (build_range_type): Likewise.
1073 (build_common_tree_nodes_2): Likewise.
1074 * tm.texi (BIGGEST_FIELD_ALIGNMENT): Document the changed meaning.
1076 2000-06-13 Andreas Jaeger <aj@suse.de>
1078 * configure.in: Use --enable-checking=misc,tree,gc by default if
1079 no --enable-checking option is given and for
1080 --enable-checking=yes.
1081 * configure: Rebuilt.
1083 2000-06-13 Richard Henderson <rth@cygnus.com>
1085 * libgcc2.c (ia64_throw_helper): Use __builtin_return_address.
1086 (__throw): Don't pass the address of a label.
1088 * config/ia64/ia64.c (ia64_compute_frame_size): Use
1089 current_function_is_leaf.
1090 (ia64_expand_prologue): Likewise. Modify return_address_pointer_rtx
1091 instead of reg_names[RETURN_ADDRESS_REGNUM].
1092 (ia64_init_machine_status): Reset return_address_pointer_rtx.
1093 * config/ia64/ia64.h (RETURN_ADDRESS_POINTER_REGNUM): Rename
1094 from RETURN_ADDRESS_REGNUM. Update all uses.
1095 (RETURN_ADDR_RTX): Use return_address_pointer_rtx; return
1096 zero instead of null on failure.
1097 (ELIMINABLE_REGS): Add ra->b0 elimination.
1098 (CAN_ELIMINATE): Update accordingly.
1099 (INITIAL_ELIMINATION_OFFSET): Likewise.
1100 (REGISTER_NAMES): Use an illegal assembler name for
1101 RETURN_ADDRESS_POINTER_REGNUM.
1103 2000-06-13 Richard Henderson <rth@cygnus.com>
1105 * config/ia64/ia64.h (enum reg_class): Remove FR_INT_REGS, FR_FP_REGS,
1106 GR_AND_FR_INT_REGS, GR_AND_FR_FP_REGS.
1107 (REG_CLASS_NAMES): Likewise.
1108 (REG_CLASS_CONTENTS): Likewise.
1109 (FR_FP_REGNO_P, FR_INT_REGNO_P): Remove.
1110 (HARD_REGNO_MODE_OK): Remove references to them.
1111 (REGNO_REG_CLASS): Likewise.
1112 (REG_CLASS_FROM_LETTER): Likewise.
1113 (CLASS_MAX_NREGS): Likewise.
1114 (REGISTER_MOVE_COST): Likewise.
1115 * config/ia64/ia64.c (ia64_secondary_reload_class): Likewise.
1116 * config/ia64/ia64.md (*): Replace "e" constraints with "f".
1117 (movqi_internal): Special case moves from zero.
1118 (movhi_internal, movsi_internal): Likewise.
1119 (movdi_internal): Likewise. Fill out "f" constraints.
1120 (movsf_internal): Fill out "r" constraints.
1121 (movdf_internal): Likewise.
1123 2000-06-13 Richard Henderson <rth@cygnus.com>
1125 * flow.c (insn_dead_p): Keep sets to PIC_OFFSET_TABLE_REGNUM
1126 alive before reload.
1128 * haifa-sched.c (struct deps): Add in_post_call_group_p.
1129 (add_dependence): Handle notes between SCHED_GROUP_P insns.
1130 (remove_dependence): Always define.
1131 (set_sched_group_p): New.
1132 (sched_analyze_2): Use it.
1133 (sched_analyze_insn): Don't special-case naked uses. Look for
1134 and extend in_post_call_group_p.
1135 (sched_analyze): Clear stale SCHED_GROUP_P. Set in_post_call_group_p.
1136 (init_deps): Clear in_post_call_group_p.
1138 2000-06-13 Richard Henderson <rth@cygnus.com>
1140 * combine.c (subst): Use CLASS_CANNOT_CHANGE_MODE and
1141 CLASS_CANNOT_CHANGE_MODE_P instead of CLASS_CANNOT_CHANGE_SIZE
1142 and hard-coded tests.
1143 (simplify_set): Likewise.
1144 (gen_lowpart_for_combine): Likewise.
1145 * emit-rtl.c (gen_lowpart_common): Likewise.
1146 * global.c (find_reg): Likewise.
1147 * local-alloc.c (find_free_reg): Likewise.
1148 * recog.c (register_operand): Likewise.
1149 * regclass.c (init_reg_sets_1): Likewise.
1150 (record_operand_costs, regclass): Likewise.
1151 * reload.c (push_reload): Likewise.
1152 * reload1.c (choose_reload_regs): Likewise.
1153 * flow.c (mark_used_regs): Conditionally set REG_CHANGES_MODE.
1154 * local-alloc.c (struct qty): Rename changes_size to changes_mode.
1155 Update all references.
1156 * regs.h (struct reg_info_def): Likewise.
1157 (REG_CHANGES_MODE): Rename from REG_CHANGES_SIZE.
1158 * tm.texi (CLASS_CANNOT_CHANGE_MODE): Document.
1159 (CLASS_CANNOT_CHANGE_MODE_P): Likewise.
1161 * config/alpha/alpha.h (CLASS_CANNOT_CHANGE_MODE): Rename.
1162 (CLASS_CANNOT_CHANGE_MODE_P): New.
1163 * config/mips/mips.h: Likewise.
1164 * config/pa/pa32-regs.h: Likewise.
1165 * config/pa/pa64-regs.h: Likewise.
1166 * config/rs6000/rs6000.h: Likewise.
1167 * config/sh/sh.h: Likewise.
1168 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE): New.
1169 (CLASS_CANNOT_CHANGE_MODE_P): New.
1170 * config/avr/avr.h (CLASS_CANNOT_CHANGE_SIZE): Remove dead code.
1171 * config/d30v/d30v.h: Likewise.
1173 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1175 * configure.in: Add AC_TYPE_GETGROUPS test.
1176 * sys-protos.h: Use GETGROUPS_T * for second arg of getgroups.
1177 * configure: Rebuilt.
1178 * config.in: Rebuilt.
1180 2000-06-13 Richard Henderson <rth@cygnus.com>
1182 * explow.c (set_mem_attributes): Do nothing for NULL type.
1184 Tue Jun 13 14:45:10 2000 Jeffrey A Law (law@cygnus.com)
1186 * config/m68k/openbsd.h (ASM_SPEC): pass down options to assembler
1189 2000-06-13 James E. Wilson <wilson@cygnus.com>
1191 * config/ia64/ia64.md (movxf_internal): Add missing "e" to ldf/stf.
1193 Tue Jun 13 14:05:35 2000 Jeffrey A Law (law@cygnus.com)
1195 * Makefile.in (gensupport.o): Remove bogus $(HOST_PREFIX) reference.
1197 2000-06-13 Philipp Thomas <pthomas@suse.de>
1199 * configure.in(ALL_LINGUAS): Changed en_UK to en_GB.
1200 * configure: Rebuilt.
1202 2000-06-07 David O'Brien <obrien@FreeBSD.org>
1204 * configure.in: Adjust FreeBSD bits to match changes to config.guess.
1205 We now default to ELF for the i386, and a.out is the special case.
1206 * configure: Rebuilt.
1208 Tue Jun 13 10:05:30 2000 Hans-Peter Nilsson <hp@axis.com>
1210 * final.c (final_scan_insn): Delete notes between cc0 setter and
1211 user when restarting from setter.
1213 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1215 * vax.h (INDEX_TERM_P): Define evaluation order of &&'s in || and
1216 cast to squelch signed/unsigned warnings.
1218 2000-06-13 Zack Weinberg <zack@wolery.cumb.org>
1220 * cpplib.c (handle_directive): Print non-NUL-terminated string
1223 2000-06-12 Michael Meissner <meissner@redhat.com>
1225 * ifcvt.c (dead_or_predicable): Don't do conditional execution
1226 path if the machine needs extra support to do conditional
1229 Mon Jun 12 17:04:17 2000 Jeffrey A Law (law@cygnus.com)
1231 * print-rtl.c (print_rtx, case MEM): Use HOST_WIDE_INT_PRINT_DEC
1232 to print the alias set.
1233 * print-tree.c (print_node, DECL_* nodes and case 't'): Similarly.
1235 2000-06-12 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1237 * config/float-vax.h: Add GFLOAT defines.
1239 Mon Jun 12 9:44:00 2000 Mark Klein <mklein@dis.com>
1241 * configure.in: Update tm dependencies for MPE.
1242 * configure: Rebuilt.
1244 2000-06-12 H.J. Lu <hjl@gnu.org>
1246 * gengenrtl.c (obstack_alloc_rtx): Correct the allocated size.
1248 2000-06-12 David Edelsohn <edelsohn@gnu.org>
1250 * aix41.h (SUBTARGET_SWITCHES): Delete threads.
1251 (CPP_SPEC): Change mthreads to pthread.
1252 (LIB_SPEC): Likewise.
1253 (STARTFILE_SPEC): Likewise.
1254 * aix43.h (SUBTARGET_SWITCHES): Delete threads.
1255 (CPP_SPEC): Change mthreads to pthread.
1256 (LIB_SPEC): Likewise.
1257 (STARTFILE_SPEC): Likewise.
1258 * rs6000-protos.h (reg_or_arith_cint_operand): New.
1259 * rs6000.c (reg_or_arith_cint_operand): New.
1260 (num_insns_constant_wide): Decorate unsigned constant.
1261 * rs6000.h (PREDICATE_CODES): Add reg_or_arith_cint_operand.
1262 * rs6000.md (addsi3): Use new predicate.
1263 (subsi3, adddi3, subdi3): Likewise.
1265 2000-06-12 Mark Mitchell <mark@codesourcery.com>
1267 * c-common.c (lang_get_alias_set): Fix typo.
1269 2000-06-12 Richard Earnshaw <rearnsha@arm.com>
1271 * flow.c (mark_used_regs): Revert last change.
1272 (life_analysis): Remove PROP_AUTOINC if running after reload.
1273 (propagate_one_insn): PROP_AUTOINC is always off after reload.
1275 2000-06-11 Richard Earnshaw <rearnsha@arm.com>
1277 * flow.c (mark_used_regs): Don't call find_auto_inc after reload
1280 2000-06-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1282 * bb-reorder.c (build_scope_forest): Initialize variable
1285 * calls.c (expand_call): Likewise for variables
1286 `save_pending_stack_adjust' and `save_stack_pointer_delta'.
1288 * i386.c (function_arg_advance, function_arg): Cast to avoid
1289 signed/unsigned warnings.
1291 * i386.h (MEMORY_MOVE_COST): Likewise.
1293 * ifcvt.c (cond_exec_process_if_block): Initialize variables
1294 `else_start' and `else_end'.
1296 * libgcc2.h (__eh_alloc, __eh_free): Prototype.
1298 * regrename.c (rr_replace_reg): Initialize variable `dest_subregno'.
1300 2000-06-10 Mark Mitchell <mark@codesourcery.com>
1302 * Makefile.in (libintl.a): Depend on intl.all.
1304 2000-06-09 H.J. Lu (hjl@gnu.org)
1306 * Makefile.in (c-parse.o): Also depend on output.h.
1308 2000-06-09 Rodney Brown <RodneyBrown@mynd.com>
1310 * mcore-protos.h: discards const warning removal.
1311 * mcore.c: discards const warning removal.
1313 2000-06-09 Kazu Hirata <kazu@hxi.com>
1315 * config/h8300/lib1funcs.asm: Declare the machine architecture at
1316 the beginning of the file.
1318 2000-06-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1320 * real.h: Add prototype for ldexp.
1322 2000-06-09 Zack Weinberg <zack@wolery.cumb.org>
1324 * ggc-none.c, ggc-simple.c, ggc-page.c (ggc_alloc_obj): Rename
1325 it ggc_alloc, drop second argument, never clear returned memory.
1326 * ggc-common.c (ggc_alloc_string): Use ggc_alloc.
1327 (ggc_alloc_cleared): New.
1328 * ggc.h: Prototype ggc_alloc and ggc_alloc_cleared, not
1329 ggc_alloc_obj. Remove ggc_alloc macro.
1330 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Use ggc_alloc.
1332 * rtl.c (rtvec_alloc): Clear the vector always.
1333 (rtx_alloc): Clear the first word always. Remove dirty
1334 obstack tricks (this routine is no longer a bottleneck).
1335 * tree.c (make_node): Clear the new node always.
1336 (make_tree_vec): Likewise.
1337 (tree_cons): Clear the common structure always.
1338 (build1): Likewise; also, clear TREE_COMPLEXITY.
1339 * gengenrtl.c: Use puts wherever possible. Remove extra
1341 (gendef): Clear the first word of an RTX in the generator
1342 function, irrespective of ggc_p. Initialize '0' slots to
1344 (genlegend): Don't generate obstack_alloc_rtx routine, just a
1345 thin wrapper macro around obstack_alloc.
1347 * stmt.c (expand_fixup): Use ggc_alloc.
1348 * c-typeck.c (add_pending_init): Use ggc_alloc.
1349 * emit-rtl.c (init_emit_once): Clear CONST_DOUBLE_CHAIN(tem).
1350 * varasm.c (immed_double_const): Set CONST_DOUBLE_MEM(r) to
1351 const0_rtx when it is created.
1352 (immed_real_const_1): Set CONST_DOUBLE_CHAIN(r) to NULL_RTX if
1353 we are not in a function.
1355 * tree.c (tree_class_check_failed): Make second arg an int.
1356 * tree.h: Update prototype.
1358 2000-06-09 Geoff Keating <geoffk@cygnus.com>
1360 * tree.h (VOID_TYPE_P): Don't look at the TYPE_MAIN_VARIANT
1361 of an error_mark_node.
1363 Fri Jun 9 20:35:13 2000 Denis Chertykov <denisc@overta.ru>
1365 * config/avr/avr.c (asm_output_section_name): bugfix.
1367 2000-06-09 Jason Merrill <jason@casey.soma.redhat.com>
1369 * timevar.def: Add TV_EXPAND.
1370 * timevar.c (timevar_print): Update timing information.
1371 * calls.c (try_to_integrate): Push to TV_INTEGRATION for inlining.
1373 * stmt.c (expand_return): Check for error_mark_node.
1375 2000-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1377 * configure.in: Also avoid wrapping auto-build.h with IN_GCC.
1379 * scan-types.sh (VALUE) Wrap use with double quotes to protect
1380 variable against filename expansion when it contains "char *".
1382 * system.h (SSIZE_MAX): Delete backup definition.
1384 * cppfiles.c (read_include_file): Use INTTYPE_MAXIMUM(ssize_t)
1385 instead of SSIZE_MAX.
1387 2000-06-09 Jakub Jelinek <jakub@redhat.com>
1389 * configure.in: Check whether gas supports -relax.
1390 * configure, config.in: Rebuilt.
1391 * config/sparc/sparc.h (ASM_RELAX_SPEC): Define.
1392 (EXTRA_SPECS): Add asm_relax.
1393 (ASM_SPEC): Add %(asm_relax).
1394 (TARGET_SWITCHES): Add -mrelax and -mno-relax.
1395 * config/sparc/linux64.h (LINK_ARCH_SPEC): Rename to LINK_SPEC.
1396 (LINK_SPEC): Pass -relax to linker unless -mno-relax or -r.
1397 (ASM_SPEC): Add %(asm_relax).
1398 * config/sparc/linux.h (LINK_SPEC, ASM_SPEC): Likewise.
1399 * config/sparc/sparc.c (output_sibcall): If HAVE_AS_RELAX_OPTION,
1400 never use sethi/jmpl for leaf tail calls. Use or with rs2 %g0
1401 instead of mov, so that gas can further optimize it.
1403 2000-06-08 James E. Wilson <wilson@bletchleypark.cygnus.com>
1405 * dwarf2out.c (size_of_die, case dw_val_class_const): Use
1407 (value_format, case dw_val_class_const): Use sdata format.
1408 (output_die): Call output_sleb128.
1410 2000-06-08 James E. Wilson <wilson@cygnus.com>
1412 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA8): Add new macro that uses
1413 UNALIGNED_DOUBLE_INT_ASM_OP. Rename old macro to
1414 ASM_OUTPUT_DWARF_CONST_DOUBLE.
1415 (output_die, case dw_val_class_unsigned_const): Correct call to
1416 ASM_OUTPUT_DWARF_DATA8.
1417 (output_die, case dw_val_class_long_long): Use
1418 ASM_OUTPUT_DWARF_CONST_DOUBLE.
1419 * tree.c (host_integerp): Accept unsigned HOST_WIDE_INT values when
1422 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Add.
1423 (output_function_prologue): Fix mispelling.
1424 (output_function_prologue, output_function_epilogue): Reorder to
1425 match ia64.c definition order.
1426 * config/ia64/ia64.c (ia64_expand_prologue): Add comment.
1427 (ia64_expand_epilogue): Set RTX_FRAME_RELATED_P on stack restore insns.
1428 Use r3 instead of r2 for large stack restores.
1429 (ia64_output_end_prologue): New function.
1430 (process_set): Emit ".restore sp" for epilogue stack restores.
1431 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Define.
1433 2000-06-08 Jakub Jelinek <jakub@redhat.com>
1435 * dbxout.c (dbxout_type_fields): Don't segfault on fields with
1438 2000-06-08 Nathan Sidwell <nathan@codesourcery.com>
1440 * frame.c (end_fde_sort): Remove extraneous erratic array test.
1442 2000-06-08 Denis Perchine <dyp@perchine.com>
1444 * frame.c (start_fde_sort): Don't malloc (0).
1446 2000-06-07 Zack Weinberg <zack@wolery.cumb.org>
1448 * c-decl.c (pushdecl): Do not call COMPLETE_TYPE_P on
1450 * print-tree.c (print_node): The transparent_union_flag means
1451 different things for unions and arrays. Do not inspect it
1452 with TYPE_TRANSPARENT_UNION.
1454 2000-06-06 Jakub Jelinek <jakub@redhat.com>
1456 * cpplib.c (do_ifdef, do_ifndef): Don't segfault if parse_ifdef
1459 Wed Jun 7 20:34:33 2000 Denis Chertykov <denisc@overta.ru>
1461 * config/avr/avr.c (asm_output_section_name): output section
1463 * config/avr/libgcc.S (.text.libgcc): declare section attributes.
1465 2000-06-06 James E. Wilson <wilson@cygnus.com>
1467 * frame.h (struct unwind_info_ptr): Collapse version, flags, and length
1468 fields into header field.
1469 (IA64_UNW_HDR_LENGTH, IA64_UNW_HDR_FLAGS, IA64_UNW_HDR_VERSION): New
1470 macros to access length, flags, and version info from header field.
1471 * config/ia64/crtbegin.asm (__do_frame_setup_aux): Delete here.
1472 * config/ia64/crtend.asm (__do_frame_setup_aux): Add here.
1473 (__do_global_ctors_aux): Fix caller.
1474 * config/ia64/frame-ia64.c (get_unwind_record): Change parameter
1475 prologue_flag to header. Pass to read_P_record.
1476 (read_P_record): New argument header. Implement P4 format.
1477 Multiply P7_T_SIZE by 16.
1478 (execute_one_ia64_descriptor): New static local region_header. Pass to
1479 get_unwind_record. Copy r to region_header if r is a header record.
1480 (print_all_records): Likewise.
1481 (__build_ia64_frame_state): Use IA64_UNW_HDR_LENGTH.
1482 (__get_personality, __get_except_table): Likewise.
1483 * config/ia64/ia64.c (process_set): Do not divide offsets by 4.
1485 2000-06-06 Philipp Thomas <pthomas@suse.de>
1487 * configure.in (AC_C_INLINE): Added.
1488 * aclocal.m4 (AM_WITH_NLS): Enable --with-included-gettext by default.
1489 * configure: Regenerate.
1491 2000-06-06 Mark Mitchell <mark@codesourcery.com>
1493 * c-common.h (c_language_kind): New type.
1494 (c_language): New variab.e
1495 * c-common.c (lang_get_alias_set): Don't put structures in
1496 non-zero alias sets in C++.
1497 * c-decl.c (c_language): Define it.
1498 * c-lex.c (doing_objc_thang): Remove.
1499 * c-tree.h (doing_objc_thang): Make it a macro.
1500 * objc/objc-act.c (lang_decode_option): Set c_language, not
1503 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
1505 * diagnostic.c (output_maximum_width): Remove.
1506 (doing_line_wrapping): Tweak.
1507 (diagnostic_buffer): New object.
1508 (global_output_buffer): New object.
1509 (output_destroy_prefix): New function.
1510 (default_initialize_buffer): Likewise.
1511 (reshape_diagnostic_buffer): Likewise.
1512 (initialize_diagnostics): Likewise.
1513 (output_clear): Tweak.
1514 (line_wrapper_printf): Adjust call to init_output_buffer.
1515 (vline_wrapper_message_with_location): Likewise. Use
1516 output_destroy_prefix.
1517 (v_message_with_decl): Likewise.
1519 * diagnostic.h (struct output_buffer): Constify prefix.
1520 (init_output_buffer, output_get_prefix): Constify.
1521 (diagnostic_message_length_per_line): Likewise.
1522 (reshape_diagnostic_buffer): Declare.
1523 (default_initialize_buffer): Declare.
1524 (initialize_diagnostics): Declare.
1525 (diagnostic_buffer): Declare new obbject.
1527 * toplev.c: #include diagnostic.h
1528 (display_help): Document diagnostic formatting options.
1529 (decode_f_option): Handle diagnostic formatting options.
1530 (main): Setup initialization for diagnostic messages outputter.
1532 * toplev.h (set_message_length): Remove.
1534 * Makefile.in (toplev.o): Depends upon diagnostic.h
1536 * invoke.texi : Document diagnostics formatting options.
1538 Tue Jun 6 19:25:32 2000 Philippe De Muyter <phdm@macqel.be>
1540 * configure.in (Make the links): Typo fix : the file that must be
1541 included without #ifdef IN_GCC is `auto-host.h', not `auto-config.h'.
1542 * configure: File rebuilt.
1544 2000-06-06 Nathan Sidwell <nathan@codesourcery.com>
1546 * eh-common.h (EH_ALLOC_SIZE, EH_ALLOC_ALIGN): New #defines.
1547 (eh_context): Add alloc_mask and alloc_buffer emergency fallback
1549 * libgcc2.c (__eh_alloc): Moved from cp/exception.cc. Fallback on
1550 emergency eh_context buffer, if malloc fails.
1551 (__eh_free): Moved from cp/exception.cc. Release to emergency
1552 eh_context buffer, if appropriate.
1554 2000-06-06 Jason Merrill <jason@casey.soma.redhat.com>
1556 * expr.c (store_expr): Fix typo.
1558 2000-06-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1560 * m68k.c (legitimize_pic_address): Move prototype ...
1562 * m68k-protos.h (legitimize_pic_address): ... here.
1564 * m68k.md (legitimize_pic_address): Delete prototypes.
1565 (untyped_call): Invoke GEN_CALL(), not gen_call().
1567 * nextstep.c: Include system.h and toplev.h.
1568 (get_directive_line): Don't prototype.
1569 (handle_pragma): Mark parameters with ATTRIBUTE_UNUSED and constify.
1571 * nextstep.h (handle_pragma): Prototype.
1572 (SECTION_FUNCTION): Prototype FUNCTION(). Move prototype of
1573 objc_section_init ...
1574 (EXTRA_SECTION_FUNCTIONS): ... here.
1576 Tue Jun 6 08:17:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1578 * sdbout.c (struct sdb_file): NAME now const.
1579 (sdbout_init): input_file_name now const.
1580 (sdbout_start_new_source_file): FILENAME now const.
1581 * sdbout.c (sdbout_init, sdbout_start_new_source_file): Reflect above.
1583 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
1585 * c-typeck.c (build_conditional_expr): Handle complex data types.
1587 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
1589 * explow.c (maybe_set_unchanging): New function, broken out from...
1590 (set_mem_attributes): Here.
1591 * expr.h: Declare it.
1592 * stmt.c (expand_decl): Call it.
1594 2000-06-05 Richard Henderson <rth@cygnus.com>
1596 * reload1.c (choose_reload_regs): Mind CLASS_CANNOT_CHANGE_SIZE
1597 while looking for a register to inherit from.
1599 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
1601 * Makefile.in (libgcc.ready): Lose.
1602 (libgcc.mk): Just use mv, not move-if-change.
1603 (LIBGCC_DEPS): New macro.
1605 (stmp-multilib): Likewise.
1606 * mklibgcc.in (stmp-dirs): New target. Make everything depend on
1607 it rather than the directories themselves.
1608 (LIB2ADD): Depend on the list file rather than 'force'.
1610 * fold-const.c (fold, case COND_EXPR): Elide conversion between
1611 cv-qualified versions of types.
1613 Mon Jun 5 14:06:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1615 * config/sparc/sparc.c (short_branch): Correct error in range
1618 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1620 * fixinc/inclhack.def: New include hacks for ultrix.
1621 * (nested_ultrix): Replaced by ultrix_nested_svc.
1622 * (ultrix_atof_param): test_text string added.
1623 * (ultrix_ifdef): Modified select string.
1625 2000-06-05 Zack Weinberg <zack@wolery.cumb.org>
1627 * objc/objc-act.c (generate_method_descriptors): Register
1628 objc_method_prototype_template as a GC root.
1629 (comp_method_with_proto): Register function_type as a GC root.
1630 (comp_proto_with_proto): Replace function_type1 and
1631 function_type2 with a two-element array; register it as a GC root.
1633 (generate_protocols, build_protocol_initializer,
1634 generate_protocol_list, build_category_initializer,
1635 build_shared_structure_initializer): Do not cache cast_type
1638 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1640 * function.c (assign_parms): Add missing argument to set_mem_attributes
1643 2000-06-05 Nathan Sidwell <nathan@codesourcery.com>
1645 * tree.h (VOID_TYPE_P): New macro.
1646 (COMPLETE_OR_VOID_TYPE_P): Use VOID_TYPE_P.
1647 * c-decl.c (grokdeclarator): Use VOID_TYPE_P.
1648 (get_parm_info): Likewise.
1649 (store_parm_decls): Likewise.
1650 (combine_parm_decls): Likewise.
1651 (finish_function): Likewise.
1652 * c-typeck.c (build_function_call): Likewise.
1653 (build_binary_op): Likewise.
1654 (build_conditional_expr): Likewise.
1655 (internal_build_compound_expr): Likewise.
1656 (convert_for_assignment): Likewise.
1657 * stmt.c (expend_expr_stmt): Likewise.
1658 (warn_if_unused_value): Likewise.
1659 (expand_return): Likewise.
1660 * c-parse.in (primary): Likewise.
1661 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
1662 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
1664 Mon Jun 5 06:46:28 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1666 * alias.c (get_alias_set): If compnent is addressable, use alias
1668 * c-decl.c (init_decl_processing): Don't call record_component_aliases.
1669 (grokdeclarator): Likewise.
1670 * c-typeck.c (common_type): Likewise.
1672 2000-06-04 Alex Samuel <samuel@codesourcery.com>
1674 * Makefile.in (OBJS): Remove dyn_string.o
1675 (dyn-string.o): Delete rule.
1676 * dyn-string.c: Delete file
1677 * dyn-string.h: Likewise.
1679 2000-06-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1681 * Makefile.in (intl.*): Honor non-zero exit codes in the intl
1684 2000-06-03 Geoff Keating <geoffk@cygnus.com>
1686 * alias.c (record_component_aliases): Don't inspect
1687 DECL_NONADDRESSABLE_P of non-FIELD_DECL components of structures.
1689 Sat Jun 3 19:05:30 2000 Michael Meissner <meissner@redhat.com>
1691 * ifcvt.c (process_insns): If IFCVT_MODIFY_INSN is defined, call
1692 it with the pattern to do machine dependent work.
1693 (cond_exec_process_if_block): If IFCVT_MODIFY_TESTS is defined,
1694 use it to modify the true/false tests used in conditional
1695 execution. If IFCVT_MODIFY_FINAL and IFCVT_MODIFY_CANCEL are
1696 defined, invoke them if the conversion to conditional execution
1697 was successful or not.
1699 * tm.texi (IFCVT_MODIFY_TESTS): Document.
1700 (IFCVT_MODIFY_INSN): Ditto.
1701 (IFCVT_MODIFY_FINAL): Ditto.
1702 (IFCVT_MODIFY_CANCEL): Ditto.
1704 Sat Jun 3 15:26:13 2000 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1706 * toplev.c (main): Fix misspellings of possibility and language.
1708 2000-06-03 Richard Henderson <rth@cygnus.com>
1710 * alias.c (record_alias_subset): Initialize has_zero_child in the
1713 2000-06-03 Richard Earnshaw (rearnsha@arm.com)
1715 * arm.md (untyped_call): Use GEN_CALL macro.
1717 2000-06-02 Pekka Nikander <pnr@teldanex.tcm.hut.fi>
1719 * Makefile.in: Use $(MAKE) not "make"
1721 Fri Jun 2 19:31:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1723 * alias.c (struct alias_set_entry): New field has_zero_child.
1724 (mem_in_disjoint_alias_sets_p): Return 0 if set in either ase.
1725 (get_alias_set): If language-dependent routine set TYPE_ALIAS_SET,
1727 Call record_component_aliases for aggregate types.
1728 (record_alias_subset): Set has_zero_child.
1729 (record_component_aliases, case ARRAY_TYPE): Do nothing if
1730 TYPE_NONALIASES_COMPONENT.
1731 (record_component_aliases, case RECORD_TYPE): Test
1732 DECL_NONADDRESSABLE_P.
1733 * c-decl.c (grokdeclarator): Set DECL_NONADDRESSABLE_P instead
1734 of TREE_ADDRESSABLE.
1735 * calls.c (initialize_argument_information): Only test
1736 TYPE_TRANSPARENT_UNION for UNION_TYPE.
1737 * function.c (assign_parms): Likewise.
1738 * integrate.c (function_cannot_inline_p): Likewise.
1739 * stor-layout.c (finish_record_layout): Don't call
1740 record_component_aliases.
1741 * tree.h (struct tree_int_cst): Use struct tree_common.
1742 (struct tree_real_cst, struct tree_string): Likewise.
1743 (struct tree_complex, struct tree_identifier): Likewise.
1744 (struct tree_list, struct tree_vec, struct tree_exp): Likewise.
1745 (struct tree_block, struct tree_type, struct tree_decl): Likewise.
1746 (TYPE_TRANSPARENT_UNION): Use UNION_TYPE_CHECK.
1747 (TYPE_NONALIASES_COMPONENT): New macro.
1748 (TYPE_AMBIENT_BOUNDEDNESS): Use FUNCTION_TYPE_CHECK.
1749 (DECL_NONADDRESSABLE_P): New macro.
1750 (struct tree_decl): Reorder bits for clarity of how many left;
1753 2000-06-02 Jason Merrill <jason@casey.soma.redhat.com>
1755 * Makefile.in (libgcc.a): Also depend on $(LIB2ADD).
1756 * mklibgcc.in (force): New target.
1757 Make LIB2ADD stuff depend on it.
1759 2000-06-02 Richard Henderson <rth@cygnus.com>
1761 * alias.c (lang_get_alias_set): Remove.
1762 (get_alias_set): Call it directly, not indirectly.
1763 * c-common.c (lang_get_alias_set): Rename from c_get_alias_set.
1764 * c-common.h (c_get_alias_set): Don't declare.
1765 * c-decl.c (init_decl_processing): Don't set lang_get_alias_set.
1766 * expr.h (lang_get_alias_set): Declare as function, not pointer.
1768 2000-06-02 Bruce Korb <bkorb@gnu.org>
1770 * fixinc/server.c(sig_handler): resume closing server on SIGPIPE
1771 (server_setup): define the server's master pid
1772 (close_server): actually do the deed IFF we are the server's master
1774 2000-06-02 Jakub Jelinek <jakub@redhat.com>
1776 * c-common.c (c_get_alias_set): Check whether signed_type did not
1777 return its argument before calling get_alias_set on the result.
1779 2000-06-02 Andrew MacLeod <amacleod@cygnus.com>
1781 * expr.c (emit_group_load): Fix typo, GET_MODE not GET_CODE.
1783 Fri Jun 2 00:22:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1785 * sh.h (CPP_SPEC): Add -D__NOMACSAVE__ for -mnomacsave.
1786 (CONDITIONAL_REGISTER_USAGE): Mac registers are call used
1787 for TARGET_NOMACSAVE.
1788 (NOMACSAVE_BIT): Define.
1789 (TARGET_NOMACSAVE): Define.
1790 (TARGET_SWITCHES): Add "nomacsave".
1792 2000-06-02 Toshiyasu Morita <toshi.morita@sega.com>
1794 * sh.md (untyped_call): Remove excess parameters
1796 2000-06-01 Loren J. Rittle <ljrittle@acm.org>
1798 * fixinc/inclhack.def (osf_namespace_a): Relax expression to
1799 match that used before the conversion to c_fix style.
1800 * fixinc/fixincl.x: regenerate
1802 2000-06-01 Stan Cox <scox@cygnus.com>
1804 * varray.h (VARRAY_PUSH_GENERIC_PTR, VARRAY_PUSH_CHAR_PTR): Fix
1805 macro argument typo.
1807 2000-06-01 Zack Weinberg <zack@wolery.cumb.org>
1809 * cpplex.c (maybe_macroexpand): Use CPP_WTRADITIONAL. Improve
1811 * cpplib.c (parse_include): Remove support for VAX-C
1812 "#include starlet" misfeature.
1814 2000-05-31 Laurynas Biveinis <lauras@softhome.net>
1816 * cppfiles.c: conditionally define O_BINARY.
1817 (open_include_file): pass O_BINARY to open().
1819 2000-06-01 Richard Henderson <rth@cygnus.com>
1821 * i960.c (i960_br_predict_opcode): Remove.
1822 (i960_print_operand) [+]: Emit branch prediction hints.
1823 (i960_function_arg): Return early for VOIDmode.
1824 (i960_round_align): Return early for incomplete types.
1825 * i960.h (PRINT_OPERAND_PUNCT_VALID_P): New.
1826 * i960.md (all conditional branches): Add "%+".
1828 Thu Jun 1 12:24:21 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1830 * alias.c (get_alias_set): Don't call language-specific routine more
1831 than is needed and clean up code a bit.
1832 * c-common.c (c_get_alias_set): All references whose type
1833 is char get alias set 0, but character types need not.
1834 * varasm.c (make_function_rtl): Don't call set_mem_attributes.
1835 (make_decl_rtl): Don't call it for FUNCTION_DECL.
1837 2000-06-01 Bruce Korb <bkorb@gnu.org>
1839 * fixinc/tests/base/...: new base result files
1841 Thu Jun 1 09:37:35 2000 Clinton Popetz <cpopetz@cygnus.com>
1843 * config/i386/i386.c (ix86_use_fcomi_compare): Make global.
1844 * config/i386/i386-protos.h (ix86_use_fcomi_compare): Declare.
1845 * config/i386/i386.md (*fp_jcc_3, *fp_jcc_4): Disable if we
1848 2000-06-01 Richard Henderson <rth@cygnus.com>
1850 * Makefile.in (c-decl.o): Depend on $(EXPR_H), not expr.h.
1852 * c-decl.c (init_decl_processing): Set lang_get_alias_set first thing.
1854 2000-05-31 Richard Henderson <rth@cygnus.com>
1856 * config/ia64/ia64.c (sdata_symbolic_operand): Consider small
1857 CONSTANT_POOL_ADDRESS_P addresses for .sdata.
1858 * config/ia64/sysv4.h (SELECT_RTX_SECTION): New.
1860 2000-05-31 Richard Henderson <rth@cygnus.com>
1862 * config/ia64/ia64-protos.h (ia64_expand_prediction): Remove.
1863 * config/ia64/ia64.c (ia64_expand_prediction): Move code ...
1864 (ia64_print_operand) [+]: ... here. Use current_output_insn.
1865 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): New.
1866 * config/ia64/ia64.md (all branch/call patterns): Use %+.
1868 2000-05-31 Richard Henderson <rth@cygnus.com>
1870 * ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.
1872 2000-05-31 Richard Henderson <rth@cygnus.com>
1874 * ifcvt.c (merge_if_block): Be prepared for JOIN to have no
1876 (find_if_block): Allow THEN with no outgoing edges.
1877 * flow.c (merge_blocks_nomove): Remove a barrier not following
1880 2000-05-31 Richard Henderson <rth@cygnus.com>
1882 * flow.c (propagate_block): Move initialization of mem_set_list ...
1883 (init_propagate_block_info): ... here. Also track blocks with
1884 no successors; don't scan insns if ! PROP_SCAN_DEAD_CODE.
1886 2000-05-31 Richard Henderson <rth@cygnus.com>
1888 * jump.c (jump_optimize_1): Revert 05-18 change.
1890 2000-05-31 Mark Mitchell <mark@codesourcery.com>
1892 * invoke.texi: Remove documentation for -fguiding-decls.
1894 2000-05-31 Richard Henderson <rth@cygnus.com>
1896 * configure.in: Fix typo last change.
1898 2000-05-31 Philipp Thomas <pthomas@suse.de>
1900 * configure.in (enable-nls): Enable if build == host, i.e. when
1901 not building a canadian cross compiler.
1902 (enable-maintainer-mode): Added for use with i18n.
1903 * aclocal.m4 (AM_GNU_GETTEXT): Only build catalogs that are a
1904 cross section of ALL_LINGUAS and LINGUAS.
1905 * configure: Rebuild.
1907 2000-05-31 Bruce Korb <bkorb@gnu.org>
1909 * fixinc/check.tpl: rework to use test result tree
1910 * fixinc/Makefile.in: change invocation of check script
1911 * fixinc/check.diff: No longer needed
1912 * fixinc/fixincl.x: regenerate
1913 * fixinc/inclhack.def: add new tests
1914 * fixinc/tests/base/arch/i960/archI960.h: New test result
1915 * fixinc/tests/base/curses.h: modified test result
1916 * fixinc/tests/base/stdio.h: ditto
1917 * fixinc/tests/base/time.h: ditto
1918 * fixinc/tests/base/sys/asm.h: ditto
1919 * fixinc/tests/base/sys/stat.h: ditto
1920 * fixinc/tests/base/sys/wait.h: ditto
1922 Wed May 31 13:17:20 2000 Philippe De Muyter <phdm@macqel.be>
1924 * except.c (clear_function_eh_region): Do not free NULL.
1926 Wed May 31 08:07:52 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1928 * Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
1929 * alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
1930 (REG_BASE_VALUE): Remove unneeded cast to unsigned.
1931 (get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
1932 (find_base_decl): New function, from c_find_base_decl in c-common.c.
1933 (new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
1934 (get_alias_set): Likewise.
1935 Major rework to do more things and allow language-specific code
1936 to just handle special-cases.
1937 (record_alias_subset): Args are HOST_WIDE_INT.
1938 (record_component_alias): Local vars are HOST_WIDE_INT.
1939 Don't handle COMPLEX_EXPR.
1940 (get_varargs_alias_set): Moved from builtins.c.
1941 (get_frame_alias_set): New function.
1942 * builtins.c (expand_builtin_return_address): Use frame alias set.
1943 (expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
1945 (get_memory_rtx): Rework to use set_mem_attributes.
1946 (get_varargs_alias_set): Deleted from here.
1947 * c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
1948 (c_find_base_decl): Deleted from here.
1949 (c_get_alias_set): Remove many cases and rework to just handle
1951 * c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
1952 * c-decl.c (rtl.h, expr.h): Now included.
1953 (init_decl_processing): Call record_component_aliases on array types.
1954 (grokdeclarator): Likewise.
1955 Set TREE_ADDRESSABLE for all fields that are not bitfields.
1956 * c-typeck.c (common_type): Call record_component_aliases for array.
1957 * caller-save.c (setup_save_areas): Rework register loop for unsigned.
1958 Set all save areas to the frame alias set.
1959 * calls.c (initialie_argument_information): Call set_mem_attributes.
1960 (compute_argument_addresses, expand_call): Likewise.
1961 * explow.c (set_mem_attributes): New function.
1962 (stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
1963 * expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
1964 LEN and OFFSET now HOST_WIDE_INT.
1965 (clear_by_pieces): Similar changes.
1966 (move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
1967 (move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
1968 (move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
1969 (clear_by_pieces_1): Likewise.
1970 (emit_push_insn): Call set_mem_attributes.
1971 (expand_expr, case INDIRECT_REF): Likewise.
1972 (expand_expr, case VAR_DECL): Call change_address.
1973 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
1975 (get_varargs_alias_set, get_frame_alias_set): New decls.
1976 (record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
1977 (new_alias_set, set_mem_attributes): Likewse.
1978 * function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
1979 (assign_stack_temp_for_type): Likewise.
1980 Can split slot even if alias set since can copy.
1981 Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P.
1982 (assign_temp): Use host_integerp and tree_low_cst.
1983 (put_var_into_stack): Properly handle SAVE_EXPR.
1984 (put_addressof_into_stack): Likewise.
1985 (assign_parms): Call set_mem_attributes.
1987 (fix_lexical_address): Put reference to chain into frame alias set.
1988 (expand_function_start): Call set_mem_attributes.
1989 * integrate.c (expand_inline_function): Likewise.
1990 * recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
1991 * regmove.c (try_apply_stack_adjustment): Likewise.
1992 * reload.c (push_reload, make_memloc): Likewise.
1993 * reload1.c (alter_reg): Make alias sets for spilled pseudos.
1994 * rtl.def (MEM): Update comment.
1995 * rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
1996 (move_by_pieces): Change length to HOST_WIDE_INT.
1997 (record_base_value, record_alias_subset): Delete from here.
1998 * stmt.c (expand_decl): Call set_mem_attributes.
1999 * stor-layout.c (finish_record_layout): Call record_component_aliases.i
2000 * toplev.c (compile_file): Call init_alias_once earlier.
2001 * tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
2002 from here: now in alias.c.
2003 * tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
2004 (struct tree_decl): Likewise.
2005 (get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
2006 * varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
2007 (output_constant_def, force_const_mem): Likewise.
2009 * flow.c (propagate_block): If block has no successors, stores to
2010 frame are dead if not used.
2012 2000-05-31 Nathan Sidwell <nathan@codesourcery.com>
2014 * stmt (expand_end_case): Reorder conversion sequence for jump
2015 table to avoid extra truncations.
2017 Wed May 31 01:31:42 2000 Jeffrey A Law (law@cygnus.com)
2019 * ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
2020 in the block is more than just a simple conditional branch.
2021 (noce_process_if_block): Similarly.
2023 Tue May 30 22:25:57 2000 Alexandre Oliva <aoliva@cygnus.com>
2025 * optabs.c (prepare_float_lib_cmp): Protect *px and *py from
2028 2000-05-30 Michael Meissner <meissner@redhat.com>
2030 * dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
2031 instructions. Treat LO_SUM operations as loading the full integer
2034 2000-05-30 Richard Henderson <rth@cygnus.com>
2036 * combine.c (get_pos_from_mask): Test exact_log2 result as signed.
2038 2000-05-30 Richard Henderson <rth@cygnus.com>
2040 * bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
2042 2000-05-30 Bruce Korb <bkorb@gnu.org>
2044 * fixinc/tests/*: Added expected result files for fixinc's make check
2045 * fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
2047 2000-05-30 Richard Henderson <rth@cygnus.com>
2049 * config/alpha/alpha.md (*setne_internal): Use match_operator
2050 instead of working down from insn.
2052 2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2054 * invoke.texi (-Wtraditional): Update WRT function macros.
2056 Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
2058 * except.c (free_exception_table): Do not free NULL.
2060 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
2062 * cpplib.c (do_if): Don't save and restore only_seen_white here.
2063 * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
2066 2000-05-29 Richard Earnshaw (rearnsha@arm.com)
2068 * flow.c (mark_used_reg): If a register is unconditionally live,
2069 remove any conditional death information.
2071 2000-05-29 Richard Henderson <rth@cygnus.com>
2073 * final.c (current_output_insn): New.
2074 (final_scan_insn): Set it.
2075 * output.h: Declare it.
2077 2000-05-29 Richard Henderson <rth@cygnus.com>
2079 * stor-layout.c (finalize_record_size): Fix typo.
2081 * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
2084 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
2086 * cpplib.h (cpp_reader): Remove if_stack. Change
2087 potential_control_macro to a cpp_hashnode *. Add skipping flag.
2088 * cpphash.h (struct ihash): Change control_macro to a
2089 cpp_hashnode * and shorten name to cmacro.
2090 Add NEVER_REINCLUDE constant.
2092 * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
2093 Examine the cmacro node directly, no need to call cpp_defined.
2094 (_cpp_execute_include, read_include_file): Set cmacro to
2095 NEVER_REINCLUDE, not U"".
2096 * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
2097 (cpp_get_token): If pfile->skipping is true, discard text and
2098 keep scanning until we hit a directive; don't expand macros.
2100 * cpplib.c (struct if_stack): Remove if_succeeded, add
2101 was_skipping. Change control_macro to a cpp_hashnode * and
2102 shorten name to cmacro. Remove typedef IF_STACK.
2103 (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
2104 (conditional_skip, skip_if_group,
2105 consider_directive_while_skipping): Delete.
2106 (push_conditional): New.
2107 (_cpp_handle_directive): Don't process directives other than
2108 conditionals if we are skipping.
2110 (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
2111 Update to new scheme.
2112 (validate_else): Skip rest of line here, unconditionally.
2113 (_cpp_unwind_if_stack): The stack is per-buffer. Force
2114 pfile->skipping off.
2116 (all): Remove `scare quotes' from error messages.
2118 2000-05-29 Richard Henderson <rth@cygnus.com>
2120 * function.c (emit_return_into_block): New line_note arg; emit it.
2121 (thread_prologue_and_epilogue_insns): Attempt to locate a line note
2122 for the close brace to accompany HAVE_return. Move all line notes
2123 following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
2125 2000-05-29 Richard Henderson <rth@cygnus.com>
2127 * longlong.h [__alpha] (count_leading_zeros): New.
2128 (count_trailing_zeros): New.
2129 (COUNT_LEADING_ZEROS_0): New.
2131 * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
2132 (alpha_split_conditional_move): New.
2133 * config/alpha/alpha-protos.h: Prototype them.
2134 * config/alpha/alpha.h (PREDICATE_CODES): Update.
2135 (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
2136 * config/alpha/alpha.md: Update ffs cix commentary.
2138 (*nabssf2, *nabsdf2): New.
2139 (*mov[qhsd]icc_internal): Use add_operand.
2140 (if_then_else constant splitters): New.
2141 (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
2142 (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
2144 2000-05-29 Richard Henderson <rth@cygnus.com>
2146 * combine.c (force_to_mode) [MINUS]: Convert subtraction from
2147 a constant to NEG or NOT when conditions allow.
2149 * combine.c (combine_simplify_rtx): Don't create an if_then_else
2150 unless both args are general_operand. Don't canonicalize plus
2151 to ior unless it helps.
2153 * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
2154 instead track register_life_up_to_date. Toggle no_new_pseudos
2157 2000-05-28 Geoff Keating <geoffk@cygnus.com>
2159 * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
2160 so output_operand doesn't see them.
2162 Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
2164 * lcm.c (make_preds_opaque): Fix comment.
2165 (optimize_mode_switching): Use NORMAL_MODE instead of
2166 MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
2167 FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
2168 Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
2169 * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
2170 (MODE_USES_IN_EXIT_BLOCK): Delete.
2171 (MODE_AT_ENTRY) Rename to NORMAL_MODE.
2172 * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
2173 (MODE_AT_ENTRY): Rename to NORMAL_MODE.
2174 (MODE_NEEDED): Don't look for USE.
2175 (EPILOGUE_USES): Define.
2177 Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
2179 * mklibgcc.in (all): Variable initialised to `libgcc'.
2181 2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
2183 * toplev.h (skip_leading_substring): New macro.
2184 * toplev.c (decode_f_option): Use skip_leading_substring instead
2186 (decode_W_option): Likewise.
2188 2000-05-28 Nick Clifton <nickc@cygnus.com>
2190 * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
2193 2000-05-28 Richard Henderson <rth@cygnus.com>
2195 * regclass.c (record_operand_costs): Protect reg_changes_size
2196 with CLASS_CANNOT_CHANGE_SIZE.
2198 * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
2200 2000-05-28 Richard Henderson <rth@cygnus.com>
2202 * function.c (diddle_return_value): A pcc-style struct return
2205 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
2207 * cppfiles.c: Read files in, using mmap if possible, then
2208 prescan them separately.
2209 (read_file, read_with_read): New functions.
2210 * cpplex.c: Don't define UCHAR_MAX.
2211 (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
2214 * cppinit.c (handle_option): Automatically define __cplusplus,
2215 __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
2216 the respective -lang switch.
2218 * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
2219 prototype): Move to...
2220 * cpplib.h: ... here. Rename struct hashnode to struct
2221 cpp_hashnode and give it a typedef. Rename _cpp_lookup to
2222 cpp_lookup. Add 'fe_value' slot, a union tree_node *.
2224 2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
2226 * config/rs6000/rs6000.md (movsi): Constify 'name'.
2228 * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
2229 (class_can_change_size): New variable.
2230 (reg_changes_size): New variable.
2231 (init_reg_sets_1): Initialise class_can_change_size.
2232 (record_operand_costs): Remove subreg_changes_size.
2233 Don't pass it around. Instead update reg_changes_size.
2234 (regclass): Initialise and free reg_changes_size. If a register
2235 changes size, don't preference it to a class that contains
2236 registers that can't change size.
2237 (record_reg_classes): Don't look at subreg_changes_size.
2239 2000-05-27 Richard Henderson <rth@cygnus.com>
2241 * print-rtl.c (reg_names): Remove const.
2242 * regclass.c (reg_names): Likewise.
2243 * regs.h (reg_names): Likewise.
2244 * hard-reg-set.h (reg_names): Likewise.
2246 2000-05-27 Richard Henderson <rth@cygnus.com>
2248 * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
2250 2000-05-27 Richard Henderson <rth@cygnus.com>
2252 * config/alpha/alpha.c (alpha_does_function_need_gp): Test
2253 TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
2254 (alpha_expand_prologue): Emit prologue_mcount if needed.
2255 * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
2256 * config/alpha/alpha.md (prologue_mcount): New.
2257 * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
2258 (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
2259 * config/alpha/netbsd.h: Likewise.
2261 2000-05-27 Richard Henderson <rth@cygnus.com>
2263 * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
2264 change to config/elfos.h.
2266 2000-05-27 Richard Henderson <rth@cygnus.com>
2268 * Makefile.in (resource.o): Depend on except.h.
2269 * except.h (output_exception_table_data): Prototype.
2270 * genconfig.c (gen_peephole2): Prototype.
2271 * genemit.c (main): Include ggc.h.
2272 * genoutput.c: Revert parts of last change: include errors.h
2273 (main): Set progname.
2274 * recog.c: Include hard-reg-set.h before recog.h.
2275 * resource.c: Include except.h.
2277 * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
2279 (alpha_write_linkage): Protect with BUFSIZ.
2280 (alpha_need_linkage): Update prototype.
2281 * config/alpha/alpha.c (function_arg): Move VMS code here.
2282 (alpha_links_base): Remove.
2284 (mark_alpha_links_node, mark_alpha_links): New.
2285 (alpha_write_one_linkage): New.
2286 (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
2287 (alpha_write_linkage): Use splay_tree_foreach.
2288 * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
2289 to get the linkage symbol.
2290 (call_value_vms): Likewise.
2291 * config/alpha/elf.h (output_file_directive): Remove decl.
2292 (ctors_section, dtors_section): Prototype.
2293 (sbss_section, sdata_section): Prototype.
2294 * config/alpha/vms.h (FUNCTION_ARG): Remove.
2295 (readonly_section, link_section, literals_section): Prototype.
2296 (ctors_section, dtors_section): Prototype.
2297 (vms_valid_decl_attribute_p): Remove decl.
2298 (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
2300 2000-05-27 Geoff Keating <geoffk@cygnus.com>
2302 * reload.c (get_secondary_mem): Don't widen floating-point modes.
2304 * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
2305 substituting the REG in a (subreg:X (reg:Y ...)).
2307 2000-05-28 Neil Booth <NeilB@earthling.net>
2309 * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
2310 first token of a line BOL. Update EOF code for this.
2311 Remove illegal directive check - it appears in the (not
2312 yet committed) caller.
2313 * cpplib.h (BOL): New flag.
2315 2000-05-28 Neil Booth <NeilB@earthling.net>
2317 * cpplex.c (_cpp_init_toklist): No comment space to initialise.
2318 (_cpp_free_toklist): No comment space to free.
2319 (expand_comment_space): Remove.
2320 (save_comment_space): Place the comment in the current token and
2321 not in a separate comment space.
2322 (_cpp_lex_line): Save comments during plain code and #define
2324 * cpplib.h (struct _cpp_toklist): Remove comment space.
2326 2000-05-28 Neil Booth <NeilB@earthling.net>
2328 * cppexp.c (parse_assertion): Supply extra argument to
2330 * cpplib.c (do_assert, do_unassert): Similarly.
2331 * cpphash.h (_cpp_init_toklist) Update.
2332 (_cpp_expand_token_space): New.
2333 (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
2334 * cpplex.c (_cpp_init_toklist): New argument.
2335 (parse_string2): New argument multiline_ok.
2336 (spell_token): Take a const cpp_token *.
2337 (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
2338 (SPELL_ macros): Replace with enum.
2339 (expand_token_space): Replace with _cpp_expand_token_space.
2340 Take COUNT argument.
2341 (IS_DIRECTIVE): Update.
2342 (_cpp_lex_line): Update token structure before parsing number.
2343 Don't assume start at beginning of token list.
2344 (save_comment): Use INIT_TOKEN_NAME.
2346 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
2348 * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
2349 -Wmissing-prototypes.
2350 * configure: Regenerate.
2351 * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
2353 * builtins.c, calls.c: Change all instances of gen_call_* or
2354 gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
2355 * calls.c (struct_value_size_rtx): Separate definition from
2356 initialization to avoid unused variable warning.
2358 * genflags.c (gen_macro): New function.
2359 (gen_proto): Call it for gen_call_* and gen_sibcall_*.
2360 (gen_nonproto): Delete.
2361 (gen_insn): Put all insns on the same obstack.
2362 (main): Generate prototypes for everything unconditionally.
2364 * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
2365 out check for wchar_t.
2366 * acconfig.h: Add template for ssize_t. Remove @TOP@.
2367 * system.h: Add infrastructure for defining missing
2368 TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
2369 definitions of UCHAR_MAX and SSIZE_MAX.
2370 * configure: Regenerate.
2371 * config.in: Regenerate.
2373 * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
2374 Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
2376 (clean): No need to delete libgcc1.a, libgcc1-asm.a,
2377 libgcc2.a, or libgcc1.null.
2379 2000-05-27 Richard Henderson <rth@cygnus.com>
2381 * Makefile.in (recog.o): Don't depend on resource.h.
2382 * recog.c: Don't include resource.h.
2383 (recog_last_allowed_insn): Remove.
2384 (recog_next_insn): Remove.
2385 (struct peep2_insn_data): New.
2386 (peep2_insn_data, peep2_current): New.
2387 (peep2_next_insn): New.
2388 (peep2_regno_dead_p, peep2_reg_dead_p): New.
2389 (peep2_find_free_register): New.
2390 (peephole2_optimize): Track life information by insn as we go.
2391 * recog.h: Update declarations.
2392 * resource.c (find_free_register, reg_dead_p): Remove.
2393 * resource.h: Remove their declarations.
2394 * toplev.c: Include hard-reg-set.h before recog.h.
2396 * genconfig.c (max_insns_per_peep2): New.
2397 (gen_peephole2): New.
2399 * genemit.c (output_peephole2_scratches): Generate calls to
2400 peep2_find_free_register; adjust surrounding code.
2401 (main): Have insn-emit.c include hard-reg-set.h before recog.h.
2402 * genrecog.c (change_state): Don't track last_insn.
2403 (write_action): Write into *_pmatch_len before accepting.
2404 (write_tree): Adjust peephole2_insns and subroutines to match.
2406 * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
2408 * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
2409 (hard_int_register_operand): New.
2410 * config/alpha/alpha-protos.h: Declare it.
2411 * config/alpha/alpha.h (PREDICATE_CODES): Update.
2412 * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
2413 as needed; use peep2_reg_dead_p instead of dead_or_set_p.
2415 2000-05-27 Richard Henderson <rth@cygnus.com>
2417 * function.c (thread_prologue_epilogue_insns): Don't move the
2418 line note at the head of the chain. Only force a lineno note
2419 before the end of block 0.
2421 2000-05-27 Richard Henderson <rth@cygnus.com>
2423 * gensupport.c (collect_insn_data): Record the maximum number
2424 of alternatives, not the last seen.
2426 * genoutput.c: Don't include errors.h.
2427 (struct data): Add lineno member.
2429 (scan_operands): Use message_with_line instead of error.
2430 (validate_insn_alternatives): Likewise.
2431 (gen_insn): Accept and store the pattern's line number.
2432 (gen_peephole, gen_expand, gen_split): Likewise.
2433 (main): Don't set progname. Pass line_no to gen_foo.
2435 2000-05-27 Richard Henderson <rth@cygnus.com>
2437 * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
2438 * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
2439 * config/d30v/d30v.md (attr predicable): New.
2440 (all insn patterns): Mark non-predicable patterns; use %: on the rest.
2441 (andsi3*): Unify into one pattern.
2442 (iorsi3*, xorsi3*): Likewise.
2443 (peephole2 patterns): Use peep2_reg_dead_p; verify not a
2445 (old cond_exec patterns): Remove.
2446 (define_cond_exec): New.
2448 Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2450 * tree.h (TREE_CODE_LENGTH): New macro.
2451 * c-common.c (c_find_base_decl): Use it.
2452 * expr.c (safe_from_p): Likewise.
2453 * print-tree.c (print_node): Likewise.
2454 * tree.c (make_node, copy_node, get_identifier): Likewie.
2455 (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
2456 (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
2457 * fold-const.c (make_range): Likewise.
2458 (fold): Likewise; also use first_rtl_op.
2459 * c-iterate.c (collect_iterators): Use first_rtl_op.
2460 * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
2461 Use IS_EXPR_CODE_CLASS.
2462 (preexpand_calls): Likewise.
2463 * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
2464 and TREE_CODE_LENGTH.
2465 * stmt.c (warn_if_unused_value): If no operands, no unused value.
2467 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
2469 * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
2471 (movdi_internal64): Likewise.
2473 * config/rs6000/rs6000.md: Correct order of operands for DImode
2476 * config/rs6000/rs6000.c (boolean_or_operator): New function.
2477 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
2478 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
2479 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
2480 boolean_operator for the boolean patterns without NOTs.
2482 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
2483 from reg_or_u_cint_operand. Change comment and behaviour.
2484 (logical_operand): Clean up, add assertion.
2485 (non_logical_cint_operand): Also check for
2486 reg_or_logical_cint_operand.
2487 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
2488 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
2494 2000-05-26 Mark Mitchell <mark@codesourcery.com>
2496 * tree.h (struct record_layout_info): Rename to (struct
2497 record_layout_info_s).
2498 * stor-layout.c (start_record_layout): Replace
2499 `record_layout_info' with `record_layout_info_s'.
2501 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
2503 * flow.c (find_label_refs): New function.
2504 (find_basic_blocks_1): Call it for each alternative of a call
2507 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
2509 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
2512 2000-05-25 Richard Henderson <rth@cygnus.com>
2514 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
2515 so strict about DImode.
2516 (alpha_swapped_comparison_operator): Likewise.
2517 * config/alpha/alpha.md (*setne_internal): Name it. Allow
2518 any integer output mode.
2519 (*setcc_internal): Likewise.
2520 (*setcc_swapped_internal): Likewise.
2521 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
2522 (*mov[qhs]icc_internal): New.
2523 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
2525 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2527 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
2529 2000-05-25 Richard Henderson <rth@cygnus.com>
2531 * bb-reorder.c (reorder_block_def): Reorder elements for size.
2532 Remove add_jump; add next; replace flags with visited.
2534 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
2535 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
2536 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
2537 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
2539 (reorder_index, reorder_last_visited): Remove.
2540 (skip_insns_after_block): Rewrite to use a switch.
2541 (get_common_dest): Remove.
2542 (chain_reorder_blocks): Remove.
2543 (record_effective_endpoints): Split out from reorder_basic_blocks.
2544 (make_reorder_chain): Likewise. Loop until all blocks are placed.
2545 (make_reorder_chain_1): Renamed from old make_reorder_chain.
2546 Only construct the reorder chain, do not move insns. Try harder
2548 (label_for_bb, emit_jump_to_block_after): New.
2549 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
2550 and adjust the jump insns appropriately. Fixup basic_block_info.
2551 (verify_insn_chain): Always define.
2552 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
2554 (make_new_scope): Don't write zeros to calloc'd space.
2555 (build_scope_forest): Rely on xrealloc to DTRT.
2556 (reorder_basic_blocks): Don't build loop nest. Don't fail if
2557 profile_arc_flag. Streamline EH test.
2559 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
2560 * basic-block.h: Declare them.
2562 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
2564 * emit-rtl.c (reset_used_decls): New function.
2565 (unshare_all_rtl_again): Call it.
2567 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
2569 * cpplex.c (maybe_macroexpand): Warn about function-like
2570 macros used in non-function context, if -Wtraditional.
2572 2000-05-25 Mark Mitchell <mark@codesourcery.com>
2574 * recog.c (peephole2_optimize): Use INSN_P.
2576 2000-05-25 Richard Henderson <rth@cygnus.com>
2578 * ifcvt.c (seq_contains_jump): New.
2579 (noce_try_store_flag_constants): Use it to fail conversion.
2580 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
2582 2000-05-25 Mark Mitchell <mark@codesourcery.com>
2584 * except.h (can_throw): Declare it.
2585 * except.c (can_throw): Give it external linkage.
2586 * resource.c (find_dead_or_set_registers): Use can_throw.
2588 2000-05-25 Richard Henderson <rth@cygnus.com>
2590 * flow.c (mark_set_1): Don't record conditionally dead memory.
2592 2000-05-25 Jan Hubicka <jh@suse.cz>
2594 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
2595 and pc_set at the place of simplejump_p and condjump_p.
2596 * cse.c (record_jump_equiv): Likewise.
2597 * emit-rtl.c (emit): Likewise.
2598 * explow.c (find_next_ref): Likewise.
2599 * flow.c (tidy_fallthru_edge): Likewise.
2600 (init_propagate_block_info): Likewise.
2601 * gcse.c (delete_null_pointer_checks): Likewise.
2602 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
2603 dead_or_predicable): Likewise.
2604 * integrate.c (copy_insn_list): Likewise.
2605 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
2606 for_each_insn_in_loop, check_dbra_loop, get_condition,
2607 insert_bct, load_mems): Likewise.
2608 * resource.c (find_dead_or_set_registers): Likewise.
2609 * sibcalls.c (simplejump_p): Likewise.
2610 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
2612 2000-05-25 David Edelsohn <edelsohn@gnu.org>
2614 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
2615 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
2617 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
2618 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
2619 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
2620 * rs6000.md: Name various internal patterns.
2622 2000-05-25 Jan Hubicka <jh@suse.cz>
2624 * jump.c (invert_exp_1): Remove first argument, use pc_set
2625 to get the expression.
2626 (redirect_exp): Make static; redirect only the pc_set expression,
2627 remove first argument.
2628 (invert_exp): Remove first argument, make static.
2629 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
2630 any_onlyjump at most places where we originaly did condjump_p
2632 (jump_back_p, follow_jumps, thread_jumps): Likewise.
2633 (delete_barrier_succesors): Use pc_set.
2634 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
2635 calls of invert_exp and redirect_exp.
2636 * rtl.h (redirect_exp, invert_exp): Remove.
2637 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
2639 2000-05-25 Richard Henderson <rth@cygnus.com>
2641 * stmt.c (expand_end_bindings): Fix thinko last change.
2643 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
2644 Andrew Haley <aph@cygnus.com>
2646 * except.c (func_eh_entry): Add emitted field.
2647 (new_eh_region_entry): Set emitted field to 0;
2648 (output_exception_table_entry): Only emit previously un-emitted data,
2649 and send it to the eh_data section.
2650 (output_exception_table): Break out common parts. Output
2651 exception table for entire compilation unit to eh_data section.
2652 (output_exception_table_data): Common parts of output_exception_table.
2653 Send output to eh_data section.
2654 (output_function_exception_table): Output exception table data for
2655 a single function to eh_data section.
2656 (free_exception_table): New external to free the table.
2657 * except.h (free_exception_table): Add prototype.
2658 (output_function_exception_table): Add prototype.
2659 * final.c (final_end_function): Output function exception table
2660 for IA64_UNWIND_INFO.
2661 (final_scan_insn): Emit any unwind directives for an insn.
2663 * frame-dwarf2.c: New file containing all DWARF 2 specific code
2665 * frame.c: Remove all DWARF 2 specific code.
2666 * config/ia64/frame-ia64.c: New file.
2667 (gthread_stuff): Make all gthread available with
2669 (dwarf_fde): Define an IA64 struct for dwarf_fde.
2670 (__register_frame_info, __register_frame): Move to common area of file.
2671 (__register_frame_info_table, __register_frame_table): Move to common i
2673 (__deregister_frame_info, __deregister_frame): Move to common area.
2674 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
2675 (read_uleb128): New version for ia64.
2676 (get_unwind_record): Read the next IA-64 unwind record.
2677 (read_R_record): Read a region header record.
2678 (process_a_b_reg_code): X record helper.
2679 (read_X_record): Read an X format record.
2680 (read_B_record): Read a B format record.
2681 (P3_record_types): List of record types matching the P3 format.
2682 (P7_record_types): List of record types matching the P7 format.
2683 (P8_record_types): List of record types matching the P8 format.
2684 (read_P_record): Read a P format record.
2685 (init_ia64_reg_loc): Set default fields for a register.
2686 (init_ia64_unwind_frame): Set defaults for all register records.
2687 (execute_one_ia64_descriptor): Execute one descriptor record.
2688 (rse_address_add): Calculate the position of a local reg in memory.
2689 (normalize_reg_loc): Turn a location descriptor into a memory address.
2690 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
2691 within a specified PC offset range.
2692 (get_real_reg_value): Given a register location, retrieve its value.
2693 (set_real_reg_value): Change the value of a register location.
2694 (copy_reg_value): Copy reg values, if needed.
2695 (copy_saved_reg_state): Copy all registers that need to be copied.
2696 (process_state_between): Normalize all frame register records that
2697 fall within the specified PC range.
2698 (frame_translate): Take a processed frame description, and turn
2699 everything into addresses.
2700 (build_ia64_frame_state ): Find and create frame state record for a PC.
2701 (get_personality): Get the personality routine for a given frame.
2702 (get_except_table): Get the exception table for a given frame.
2703 (record_name): Unwind record names for debugging.
2704 (print_record): Print and unwind record.
2705 (print_all_records): Print an entire unwind image.
2706 (__ia64_backtrace): Print a backtrace.
2707 (ia64_backtrace_helper): New function.
2708 (__register_frame_info_aux): New function.
2709 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
2711 * frame.h (enum unw_record_type): New unwind record types.
2712 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
2713 (struct unw_r_record, unwind_record): New unwind record structs.
2714 (struct unwind_info_ptr): Unwind information layout.
2715 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
2717 (struct ia64_reg_loc): Register location description.
2718 (struct ia64_frame_state): Location of all registers in a frame.
2719 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
2720 * libgcc2.c (__ia64_personality_v1): Personality routine.
2721 (__calc_caller_bsp): Calculate the bsp register for the caller's
2723 (ia64_throw_helper): Figure out who to return to and set up the
2725 (__throw): Throw routine.
2727 * output.h (assemble_eh_align, assemble_eh_label): New functions
2728 to generate EH info where we want it.
2729 (assemble_eh_integer): New function.
2730 * toplev.c (compile_file): Output module level exception table for
2732 (main): Set exceptions_via_longjump and flag_new_exceptions based
2733 on IA64_UNWIND_INFO too.
2735 * varasm.c (assemble_eh_label): Generate a label via
2736 ASM_OUTPUT_EH_LABEL if it has been specified.
2737 (assemble_eh_align): Generate an alignment directive via
2738 ASM_OUTPUT_EH_ALIGN if it has been specified.
2739 (assemble_eh_label): Generate an integer value via
2740 ASM_OUTPUT_EH_type if they have been specified.
2741 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
2742 (ia64_init_builtins): Add __builtin_ia64_bsp
2743 and __builtin_ia64_flushrs.
2744 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
2745 IA64_BUILTIN_FLUSHRS.
2746 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
2747 IA64_BUILTIN_FLUSHRS.
2749 * config/ia64/ia64.md (flushrs): New insn to flush the register
2750 stack. Add to unspec list.
2752 * config/ia64/crtbegin.asm (frame_object): Change size.
2753 (__do_frame_setup_aux): New function.
2754 * config/ia64/crtend.asm: call __do_frame_setup_aux.
2755 * config/ia64/t-ia64 (LIB2ADDEH): Add.
2756 * Makefile.in (LIB2ADDEH): Add.
2757 (LIB2ADD): Use LIB2ADDEH.
2759 2000-05-24 Richard Henderson <rth@cygnus.com>
2761 * recog.c (offsettable_address_p): If mode size is zero, assume
2764 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
2766 * configure.in: Check for -Wno-long-long option support and improve
2767 handling of warning CFLAGS for stages 1 and 2.
2768 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
2769 * configure: Regenerate.
2771 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
2773 * gcc.texi: Remove contributor list. Instead include contrib.texi.
2774 * contrib.texi: New file.
2776 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2778 * loop.c (basic_induction_var): Avoid double recording of an increment.
2780 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2782 * Back out this patch:
2783 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
2784 * loop.h (struct induction): Add multi_insn_incr.
2785 * loop.c (basic_induction_var): New multi_insn_incr argument.
2786 Set it if we search back through previous insns for the biv.
2787 (record_biv): New multi_insn_incr argument; fill in struct induction.
2788 (strength_reduce): Discard an iv with multiple bivs, any of
2789 which require multiple insns to increment.
2791 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
2793 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2795 * rtl.h (loc_mentioned_in_p): Declare.
2796 * reload.c (loc_mentioned_in_p): Moved from here...
2797 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
2798 Fix loop increment for 'E' handling.
2799 * loop.c (strength_reduce): When doing biv->giv conversion,
2800 take multi-insn biv increments into account.
2802 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
2804 * stmt.c (expand_end_bindings): Look through NOTEs to find a
2807 2000-05-24 Mark Mitchell <mark@codesourcery.com>
2809 * calls.c (expand_call): Handle cleanups in tail-recursion
2810 arguments analagously to cleanups in sibling calls.
2812 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2814 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
2815 All callers changed.
2817 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
2819 * expr.c (expand_assignment, store_expr, expand_expr,
2820 expand_expr_unaligned): Set in_check_memory_usage while emitting
2821 chkr_check_addr libcall.
2823 2000-05-24 Nick Clifton <nickc@cygnus.com>
2825 * fold-const.c (extract_muldiv): When constructing a
2826 multiplier/divisor, do not expect const_binop to correctly
2827 determine if overflow has occured, so check explicitly.
2829 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
2831 * c-decl.c (build_enumerator): Don't modify the value's type,
2834 2000-05-24 Andreas Jaeger <aj@suse.de>
2836 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
2838 2000-05-24 Eric Christopher <echristo@cygnus.com>
2840 * configure.in: Redefine inhibit_libc conditions.
2841 * libgcc2.c: Remove inhibit_libc conditional define.
2842 * configure: Regenerate.
2844 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
2846 * configure.in: For --enable-languages=LIST, check for empty LIST.
2847 * configure: Regenerate.
2849 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
2851 * pdp11.h (STACK_BOUNDARY): Define.
2853 2000-05-24 Jakub Jelinek <jakub@redhat.com>
2855 * ifcvt.c (if_convert): Update life info globally.
2857 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2859 * emit-rtl.c (unshare_all_decls): New function.
2860 (unshare_all_rtl): Call it.
2862 2000-05-23 Nick Clifton <nickc@cygnus.com>
2864 * configure.in: Treat 'strongarm' as if it were 'arm' when
2865 determining cpu type.
2867 * configure: Regenerate.
2869 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
2870 where constant strings are involved.
2872 * config/arm/arm.h (arm_condition_codes): Change type to 'const
2875 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
2876 cases where constant strings are involved.
2878 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
2880 * config/sh/sh.c (gen_far_branch, split_branches): Update
2881 to reflect new prototypes for redirect_jump and invert_jump.
2882 (sh_insn_length_adjustment): Get rid of const warnings.
2884 2000-05-23 Kazu Hirata <kazu@hxi.com>
2886 * invoke.texi (Options for Debugging Your Program or GCC): Update
2887 the names of dump files.
2889 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
2891 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
2892 * configure: Regenerated.
2894 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
2896 * simplify-rtx.c (SIGN_EXTEND): New macro.
2897 (simplify_unary_operation, simplify_binary_operation,
2898 simplify_relational_operation): Use SIGN_EXTEND. Make low
2899 halves of (low, high) pairs unsigned if they weren't already.
2900 (simplify_ternary_operation): Cast INTVAL to unsigned before
2901 comparing to a MODE_BITSIZE.
2903 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2905 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
2906 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
2908 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
2909 gcc_AC_NEED_DECLARATIONS.
2911 * dwarfout.c: Don't prototype time().
2913 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
2915 * system.h: Likewise.
2917 * toplev.c: Likewise.
2919 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
2921 * c-decl.c (pushdecl): Invert sense of test for non-global types.
2923 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2925 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
2927 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
2929 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
2931 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2933 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
2934 (alpha_start_function): Never write ..ng label if VMS or NT.
2935 (alpha_align_insns): Remove GP_IN_USE arg.
2936 Alignment now unsigned.
2937 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
2938 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
2939 and two define_insn's.
2941 2000-05-22 Richard Henderson <rth@cygnus.com>
2943 * combine.c (simplify_comparison): Use trunc_int_for_mode.
2945 2000-05-22 Richard Henderson <rth@cygnus.com>
2947 * stor-layout.c (place_field): Change rli->size to rli->offset.
2949 2000-05-22 Richard Henderson <rth@cygnus.com>
2951 * function.c (thread_prologue_and_epilogue_insns): Make sure
2952 existing line number notes appear after the prologue.
2954 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2956 * config/alpha/alpha.c (alpha_fnname): New static variable.
2957 (print_operand, case '~'): New case.
2958 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
2959 (alpha_start_function): Set alpha_fnname.
2960 Write "ng" label if no ldgp; don't write ldgp insn.
2961 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
2962 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
2964 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
2966 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
2969 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
2971 * varasm.c (eh_frame_section): Revert change to argument list.
2973 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2975 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
2976 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
2978 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
2979 dangling "else" that causes "break" to be conditional.
2980 Also remove unneeded code at start.
2982 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
2984 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
2985 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
2986 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
2988 2000-05-22 Jakub Jelinek <jakub@redhat.com>
2990 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
2993 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2995 * alias.c (record_component_aliases): New function.
2996 * tree.h: Clean up some declarations and comments.
2997 (record_component_aliases): New declaration.
2998 * tree.c (get_alias_set): If type and has alias set, use it.
3000 2000-05-22 Richard Henderson <rth@cygnus.com>
3002 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
3003 IF_THEN_ELSE to a setcc form.
3004 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
3006 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3008 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
3009 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
3011 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3013 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
3016 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
3018 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
3019 * config/mn10300/mn10300.c (print_operand): Likewise.
3021 * final.c (split_double): Right shift of negative values is not
3024 * ifcvt.c (if_convert): Scan and kill dead code.
3026 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
3028 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
3030 * diagnostic.c: Eliminate implicit int.
3031 * except.c, gcc.c: Add static prototypes.
3032 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
3033 * gensupport.c (process_rtx): Use XVEC to initialize vector
3036 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
3037 debug_reg_names instead of static reg_names. If not, define
3039 * regclass.c: Don't define global reg_names unless
3040 DEBUG_REGISTER_NAMES is defined.
3042 * reload1.c (order_regs_for_reload): Remove unused variable.
3043 * varasm.c: Include output.h after defaults.h. Define
3044 eh_frame_section as function of no args, not of unspecified args.
3046 * gcc.c: Constify argbuf; arguments to store_arg,
3047 process_command, main; elements of struct command and struct
3048 switchstr; local variables in execute, process_command, main.
3050 2000-05-20 Bruce Korb <bkorb@gnu.org>
3052 * fixinc/inclhack.def: many applications of c_fix=format + tests
3053 * fixinc/check.diff: regenerated
3054 * fixinc/fixincl.x: regenerated
3056 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3058 * alias.c: Clarify some comments.
3059 (record_base_value): REGNO is unsigned.
3060 * rtl.h (record_base_value): Likewise.
3062 * alias.c (aliases_everything_p): Don't special-case QImode here.
3063 * c-common.c (c_get_alias_set): Do it here.
3064 Handle BIT_FIELD_REF by getting alias info for arg.
3067 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
3069 * mklibgcc.in: Restore rule to create ${dir}.
3071 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
3073 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
3074 GCC_FOR_TARGET used by MULTILIBS.
3075 * mklibgcc.in: Make sure each .o file depends on the
3076 directory it will be in.
3077 Make the multilib directory depends libgcc.
3079 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
3081 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
3083 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
3085 * fold-const.c (make_range): Handle degenerated intervals.
3086 Fixes c-torture/execute/991221-1.c
3088 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3090 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
3091 * reload.c (find_equiv_reg): Likewise.
3092 * alias.c (init_alias_analysis): Likewise.
3093 Only call prologue_epilogue_contains on insns.
3094 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
3095 * bb-reorder.c (hard-reg-set.h): Include earlier.
3096 * haifa-sched.c (hard-reg-set.h): Likewise.
3097 * ifcvt.c (hard-reg-set.h): Likewise.
3098 * local-alloc.c (hard-reg-set.h): Likewise.
3099 * loop.c (hard-reg-set.h): Likewise.
3100 * predict.c (hard-reg-set.h): Likewise.
3101 * regrename.c (hard-reg-set.h): Likewise.
3102 * flow.c (hard-reg-set.h): Likewise.
3103 (reg_set_to_hard_reg_set): New function.
3104 * bitmap.c (regs.h, basic-block.h): No longer include.
3105 (bitmap.h): Now include.
3106 * conflict.c (hard-reg-set.h): Include.
3107 * profile.c (hard-reg-set.h): Likewise.
3108 * print-rtl.c (hard-reg-set.h): Likewise.
3109 * sbitmap.c (hard-reg-set.h): Likewise.
3110 * toplev.c (hard-reg-set.h): Likewise.
3111 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
3112 * hard-reg-set.h (reg_names): Now constant.
3113 * regs.h (reg_names): Likewise.
3114 * regclass.c (reg_names): Likewise.
3115 * loop.h (basic-block.h): No longer include.
3116 (bitmap.h): Now include.
3117 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
3118 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
3119 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
3121 2000-05-19 Jan Hubicka <jh@suse.cz>
3122 Richard Henderson <rth@cygnus.com>
3124 * basic-block.h (struct edge_def): New field "count".
3125 (struct basic_block_def): Likewise.
3126 * flow.c (entry_exit_blocks): Add count fileds.
3127 (split_edge): Keep count information up-to-date.
3128 (dump_edge_info, dump_flow_info): Dump count fields.
3130 * final.c (count_instrumented_edges): Rename to edge from arc.
3131 (end_final): Update users.
3132 * profile.c: Include expr.h, basic-block.h.
3133 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
3134 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
3135 (ignore_next_note, return_label_execution_count): Kill.
3136 (bbg_file_name, da_file_name): Kill.
3137 (edge_info, bb_info): New structures.
3138 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
3139 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
3140 (total_num_edges_instrumented): Likewise.
3141 (init_arc, expand_spanning_tree): Kill.
3142 (fill_spanning_tree, tablejump_entry_p): Kill.
3143 (instrument_edges): Rewrite from instrument_arcs to use
3144 commit_edge_insertions infrastructure.
3145 (compute_branch_probabilities): Remove arguments; rewrite for
3146 CFG infrastructure; use rtl_dump_file directly.
3147 (branch_prob, find_spanning_tree): Likewise.
3148 (union_groups, find_group): New.
3149 (init_branch_prob): Make bbg_file_name and da_file_name local.
3150 (end_branch_prob): Use rtl_dump_file directly.
3151 (init_edge_profiler): Rename to edge from arc.
3152 (output_arc_profiler): Kill.
3153 (gen_edge_profiler): New.
3154 (output_func_start_profiler): Turn off profiling. Make the
3155 constructor static when we can.
3156 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
3158 * toplev.c (DFI_flow): Remove.
3159 (DFI_cfg, DFI_life): New.
3160 (dump_file): Update accordingly.
3161 (compile_file): Call end_branch_prob if profile_arc_flag too.
3162 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
3163 profiling after the CFG is built. Move flow1 life analysis to
3164 DFI_life. Always estimate remaining probabilities.
3166 2000-05-19 Richard Henderson <rth@cygnus.com>
3168 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
3170 * flow.c (make_edges): The sibling call edge to exit is abnormal.
3172 2000-05-19 Richard Henderson <rth@cygnus.com>
3174 * jump.c (redirect_jump): Add delete_unused argument. Don't
3175 remove labels and code following when LABEL_NUSES goes to zero.
3176 (invert_jump): Likewise.
3177 (jump_optimize_1): Fix redirect/invert arguments.
3178 (do_cross_jump, thread_jumps): Likewise.
3179 * flow.c (split_edge): Likewise.
3180 * reorg.c (optimize_skip): Likewise.
3181 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
3182 * profile.c (instrument_arcs): Likewise.
3183 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
3184 * rtl.h: Update prototypes.
3186 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
3188 * ssa.c (convert_from_ssa): Tell life_analysis we need death
3190 (make_regs_equivalent_over_bad_edges): Only look at abnormal
3193 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
3195 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
3196 past l1 when deleting whitespace and markers.
3198 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
3199 * cpplib.c (do_unassert): Put the list to compare against on
3202 2000-05-19 Bruce Korb <bkorb@gnu.org>
3204 * fixinc/README: cleaned up old documentation
3205 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
3206 * fixinc/check.tpl: compute the list of needed directories
3207 emit "#if defined(name)" because of conflict
3208 omit machine name differences from output differences
3209 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
3210 (machine_name): change test text to use `sed' markers
3211 * fixinc/fixincl.x: regen
3213 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3215 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
3218 2000-05-18 Chris Demetriou <cgd@sibyte.com>
3220 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
3221 it to match the current practice.
3223 2000-05-18 Mark Mitchell <mark@codesourcery.com>
3225 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
3227 2000-05-18 Richard Henderson <rth@cygnus.com>
3229 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
3230 * rtl.h (insn_dependant_p): Declare it.
3231 * loop.c (strength_reduce): Use it.
3233 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
3235 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
3236 16-bit and 64-bit clean-up.
3238 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
3240 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
3241 * configure: Rebuilt.
3243 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
3245 * genopinit.c: Use $ for escape sequences in optab patterns.
3246 Remove backslashes from optab patterns. Change $A, $B, $C to
3247 expand to (int) whatever instead of just whatever; remove
3248 explicit (int) from all optab patterns.
3250 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
3251 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
3252 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
3253 genrecog.c: Remove private copies of xmalloc, xrealloc, and
3256 2000-05-18 Richard Henderson <rth@cygnus.com>
3258 * jump.c (jump_optimize_1): Base minimum insn count during
3259 find_cross_jump on BRANCH_COST.
3261 2000-05-18 Jakub Jelinek <jakub@redhat.com>
3263 * print-rtl.c (print_rtx): Only print note line number as string
3264 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
3265 * final.c (final_scan_insn): Do nothing for note line number 0.
3267 2000-05-18 Jakub Jelinek <jakub@redhat.com>
3269 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
3270 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
3271 NOTE_INSN_DELETED_LABEL.
3273 2000-05-18 Nick Clifton <nickc@cygnus.com>
3275 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
3276 uninitialised data in .rodata not .bss, and do not interpret an
3277 error in the initialisation value as meaning that the variable
3278 should be placed in the .bss section.
3280 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
3282 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
3283 not `$ac_cv_prog_cc_cc_c_o'.
3284 * configure: Regenerated.
3286 2000-05-18 Chris Demetriou <cgd@sibyte.com>
3287 Richard Henderson <rth@cygnus.com>
3289 * c-common.h (enum c_tree_index): Add g77 type entries.
3290 (g77_integer_type_node, g77_uinteger_type_node): New.
3291 (g77_longint_type_node, g77_ulongint_type_node): New.
3292 * c-decl.c (init_decl_processing): Initialize them.
3294 2000-05-18 Richard Henderson <rth@cygnus.com>
3296 * config/h8300/h8300.md (subs patterns): Use %G to negate.
3298 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
3299 (small_power_of_two): Likewise; use exact_log2.
3300 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
3301 (output_adds_subs): Remove.
3302 (two_insn_adds_subs_operand): New.
3303 (split_adds_subs): New.
3304 * config/h8300/h8300-protos.h: Update.
3305 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
3306 (CONST_OK_FOR_L): Match strict adds operands.
3307 (CONST_OK_FOR_N): Match struct subs operands.
3308 * config/h8300/h8300.md (adds_subs insns): Remove.
3309 (addhi patterns): Output adds/subs directly.
3310 (addsi_h8300h): Likewise.
3311 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
3313 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
3315 * cppexp.c (parse_assertion): New.
3316 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
3317 (_cpp_parse_expr): Remove case '#'. Don't set
3318 parsing_if_directive.
3319 * cpphash.c (collect_objlike_expansion,
3320 collect_funlike_expansion, collect_params,
3321 _cpp_create_definition): The list no longer has a trailing
3323 * cpphash.h (enum node_type): Add T_ASSERTION.
3324 (struct hashnode): Remove aschain, add pred.
3325 (struct predicate): New.
3328 * cpplex.c (expand_token_space): Handle both offset and
3330 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
3331 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
3332 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
3333 _cpp_equiv_toklists): New.
3334 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
3335 stop at any single-character token, not just newline.
3336 (_cpp_lex_token): Remove special cases for #define and #if.
3337 (cpp_get_token): Expect # as a separate token type. Remove
3339 (_cpp_get_directive_token): Remove DIRECTIVE case.
3340 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
3342 * cpplib.c (_cpp_check_directive): Set dirno and
3343 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
3344 (_cpp_handle_directive): Run # <number> through the same logic
3345 as normal directives.
3346 (do_define): Don't set parsing_define_directive. Use
3347 _cpp_scan_until. The list does not have a VSPACE at the end.
3348 (do_if): Save, clear, and restore only_seen_white around
3350 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
3351 (do_assert, do_unassert): Rewrite.
3353 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
3354 (LIST_OFFSET): New flag.
3355 (struct cpp_toklist): Replace dir_handler and dir_flags with
3357 (struct cpp_reader): Remove parsing_if_directive and
3358 parsing_define_directive.
3360 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3362 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
3363 following the cabs decl which terminate on the following line.
3364 Add the corresponding test_text case.
3366 2000-05-18 Neil Booth <NeilB@earthling.net>
3368 * cppinit.c (cpp_reader_init): Initialise col_adjust and
3369 default tab stop size.
3370 (no_num, OPT_ftabstop): New.
3371 (handle_option): Handle "ftabstop=" command-line option.
3372 (print_help): Document it.
3373 * cpplex.c (COLUMN): Remove.
3374 (handle_newline): Reset col_adjust.
3375 (skip_whitespace): Update col_adjust as tabs encountered.
3376 (_cpp_lex_line): Update to use col_adjust. Call
3377 skip_whitespace for all whitespace.
3378 * cpplib.h (struct cpp_options): New member tabstop.
3379 (struct cpp_reader): New member col_adjust.
3380 (CPP_BUF_COL): Update.
3381 (CPP_BUF_COLUMN): New.
3382 * cpp.texi: Document "-ftabstop=" command line option.
3384 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
3386 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
3388 * configure: Rebuilt.
3390 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
3392 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
3394 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
3395 HOST_BITS_PER_WIDE_INT is >= 64.
3397 2000-05-17 Richard Henderson <rth@cygnus.com>
3399 * jump.c (jump_optimize_1): Remove inactive but real insns
3400 in jump-to-next-insn optimization.
3402 2000-05-17 Richard Henderson <rth@cygnus.com>
3404 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
3405 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
3406 Don't call recompute_reg_usage if no_new_pseudos is true.
3407 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
3408 Return true if we did work; update global life information.
3409 * basic-block.h (optimize_mode_switching): Update decl.
3411 2000-05-17 Neil Booth <neilb@earthling.net>
3413 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
3415 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
3417 * cpplib.c: New feature, #pragma system_header.
3418 * cpp.texi: Document special treatment of system headers, and
3419 the various mechanisms to get a header that special treatment.
3421 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3423 * system.h (offsetof): Define at the very end, to ensure we prefer
3424 the platform's definition if available.
3426 2000-05-16 Bruce Korb <bkorb@gnu.org>
3428 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
3429 * fixinc/server.c: likewise
3430 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
3431 + #ifdef debugging code + use #def constant for
3433 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
3434 on C++ math namespace
3436 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3438 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
3439 Don't check the return value of sprintf. Use asprintf to avoid
3442 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
3444 * flags.h (warn_unused_function, warn_unused_label,
3445 warn_unused_parameter, warn_unused_variable, warn_unused_value):
3446 Replace ``warn_unused''.
3447 (set_Wunused): Add declaration.
3448 * toplev.c (set_Wunused): New function.
3449 (warn_unused_function, warn_unused_label, warn_unused_parameter,
3450 warn_unused_variable, warn_unused_value): New variables.
3451 (W_options): Add -Wunused-function, -Wunused-function,
3452 -Wunused-label, -Wunused-parameter, -Wunused-variable and
3453 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
3455 * toplev.c (decode_W_option): Update -Wunused flags by calling
3457 * c-decl.c (c_decode_option): Ditto for -Wall.
3459 * stmt.c (expand_expr_stmt, expand_expr_stmt,
3460 warn_about_unused_variables): Replace warn_unused with more
3461 explicit warn_unused_value et.al.
3462 * function.c (expand_function_end): Ditto.
3463 * c-typeck.c (internal_build_compound_expr,
3464 internal_build_compound_expr): Ditto.
3465 * c-decl.c (poplevel, pop_label_level): Ditto.
3466 * toplev.c (check_global_declarations): Replace warn_unused with
3467 check for either warn_unused_function or warn_unused_variable.
3469 * gcc.1, invoke.texi (Warning Options): Document
3470 -Wunused-function, -Wunused-function, -Wunused-label,
3471 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
3473 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
3475 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
3476 $(srcdir), not in the current directory.
3478 2000-05-16 Richard Henderson <rth@cygnus.com>
3480 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
3481 assembler supports it.
3482 (.fini, .init): Use a gp-relative indirect call.
3483 (__do_global_dtors_aux): Preserve the gp; rebundle.
3484 (__do_frame_setup): Likewise.
3485 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
3486 (.init): Use a gp-relative indirect call.
3487 (__do_global_ctors_aux): Preserve the gp.
3489 2000-05-16 Richard Henderson <rth@cygnus.com>
3491 * flow.c (commit_one_edge_insertion): Be prepared for a return
3492 insn to be inserted on the edge with a normal jump.
3493 * jump.c (jump_optimize_1): Don't look to create return isns.
3495 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
3496 * jump.c (jump_optimize_1): Likewise.
3497 (returnjump_p): Verify the argument is a JUMP_INSN.
3498 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
3500 2000-05-16 Nick Clifton <nickc@cygnus.com>
3502 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
3503 GET_RTX_CLASS (GET_CODE ()) == 'i'.
3504 (large_insn_p): Ditto.
3505 (m32r_is_insn): New function: Return true if the insn contains
3506 an executable instruction.
3507 (m32r_adjust_insn): Use m32r_is_insn.
3508 (m32r_sched_reorder): Use m32r_is_insn.
3509 (m32r_sched_variable_issue): Use m32r_is_insn.
3511 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3513 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
3516 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
3518 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
3519 according to given options.
3521 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
3523 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
3524 if X has VOIDmode either.
3525 (LIMIT_RELOAD_CLASS): Similarly.
3527 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
3528 not "general_operand" to match the processor's capabilities.
3530 2000-05-16 Bruce Korb <bkorb@gnu.org>
3532 * fixinc/README: corrected return address
3533 * fixinc/check.diff: regenerate, now that test works
3534 * fixinc/fixfixes.c(format_fix,format_write): reformatted
3535 (char_macro_def_fix,char_macro_use_fix): corrected and
3536 rewrote to use regex to parse the text
3537 * fixinc/inclhack.def: more testing
3538 * fixinc/fixincl.x: regenerated
3540 * fixinc/inclhack.def: added several "test_text" attributes
3541 changed several fixes to use `c_fix = format'
3542 re-alphabetized the fixes
3544 * fixinc/check.diff: regenerate
3545 * fixinc/fixincl.x: regenerate
3546 * fixinc/check.tpl: added `sparc' and `netinet' to the list
3550 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
3552 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
3554 2000-05-15 Richard Henderson <rth@cygnus.com>
3556 * toplev.c (rest_of_compilation): Run full jump pass before
3557 find_basic_blocks of flow2.
3559 2000-05-15 Richard Henderson <rth@cygnus.com>
3561 * jump.c: Fix typos and clarify commentary from last change.
3562 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
3563 (safe_to_remove_jump_p): Remove.
3564 (condjump_label): Use pc_set.
3566 2000-05-15 Richard Henderson <rth@cygnus.com>
3568 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
3569 that get in the way after reload.
3570 (cond_exec_process_if_block): Skip a label heading THEN block.
3572 2000-05-15 Richard Henderson <rth@cygnus.com>
3574 * varasm.c (output_constant_pool): Abort instead of converting
3575 (improperly) deleted labels to zero.
3577 2000-05-16 Neil Booth <NeilB@earthling.net>
3579 * cpplex.c (parse_string2): Update comment.
3580 (cpp_lex_line): No special assertion treatment for '('.
3581 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
3582 * cpplib.h (SYNTAX_ASSERT): Remove.
3584 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
3586 * jump.c (condjump_p): Mark as depreached.
3587 (any_condump_p): New.
3588 (any_uncondump_p): New.
3590 (safe_to_remove_jump_p): New.
3591 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
3592 safe_to_remove_jump_p): Declare.
3594 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
3596 * calls.c: Re-install both patches reverted by last patch.
3597 (struct arg_data): New field tail_call_reg.
3598 (initialize_argument_information): Initialize tail_call_reg
3599 (load_register_parameters): New argument flags, use
3600 tail_call_reg when emiting tail call sequence.
3601 (expand_call): Update call of load_register_parameters;
3602 copy unadjusted_args_size to adjusted_args_size.
3604 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
3606 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
3607 and bct_p parameters to flags.
3608 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
3609 * rtl.h (loop_optimize): Update prototype.
3610 * toplev.c (rest_of_compilation): Update call of loop_optimize.
3612 2000-05-15 Jakub Jelinek <jakub@redhat.com>
3614 * calls.c (expand_call): Move expand_start_target_temps call after
3617 2000-05-15 Neil Booth <NeilB@earthling.net>
3619 * cpphash.c (trad_stringify, warn_trad_stringify,
3620 collect_params): Make some pointers pointers to const.
3621 * cpplex.c (auto_expand_name_space) Guaranteed to always
3622 expand by at least one character.
3623 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
3624 (struct token_spelling): Use const U_CHAR * rather than PTR.
3625 (expand_name_space): Fix up token pointers if name space
3626 is moved when expanding.
3627 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
3628 parse_string2, save_comment, spell_token, cpp_output_list):
3629 Update so the routines handle tokens with a direct pointer to
3630 their text, rather than an offset into the token's list's namebuf.
3631 (_cpp_lex_line): Rearrange for clarity.
3633 * cpplib.c (_cpp_check_directive): Similarly.
3634 (do_define): Make SYM a pointer to const.
3635 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
3636 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
3637 (TOK_OFFSET): Delete.
3640 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
3642 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
3645 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
3647 (logical_u_operand): Delete.
3648 (non_logical_cint_operand): Rewrite to take MODE into account.
3649 (non_logical_u_cint_operand): Delete.
3650 (boolean_operator): New function.
3651 (print_operand): Add new %q operand.
3652 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
3653 remove logical_u_operand and non_logical_u_cint_operand,
3654 update logical_operand and non_logical_cint_operand.
3655 * config/rs6000/rs6000.md: Rewrite the patterns for performing
3656 logical operations to use %q.
3658 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
3659 (movdi): Make similar to movsi.
3660 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
3661 is no such thing as a DImode CONST_DOUBLE.
3662 * config/rs6000/rs6000.c (output_toc): Likewise.
3664 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
3665 codes when old mnemonics are in use. Print register names
3666 for cc registers when requested.
3668 * optabs.c (expand_float): Don't allow mode widening that causes
3671 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
3672 flags to their current names -maix64 and -maix32.
3674 2000-05-14 Bruce Korb <bkorb@gnu.org>
3676 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
3677 and/or after current text of file
3678 * fixinc/fixlib.c(must_malloc):
3679 * fixinc/fixlib.h(must_malloc): + reformatting
3680 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
3681 with usages of ``c_fix = wrap;''
3682 Add several tests and use the ``c_fix = format'' fixer more.
3683 * fixinc/fixincl.x: regen
3684 * fixinc/check.diff: regen
3685 * fixinc/check.tpl: emit the associated header with the missing
3688 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
3690 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
3691 variables $src and $dst.
3693 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
3695 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
3696 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
3697 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
3698 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
3700 (set_message_prefixing_rule): Declare.
3702 * diagnostic.c: (current_prefixing_rule): New variable.
3703 (set_message_prefixing_rule): Define.
3704 (output_set_prefix): Adjust buffer->emitted_prefix_p.
3705 (init_output_buffer): Adjust Initialization.
3706 (output_emit_prefix): Rewrite. Take prefixing rules into account.
3708 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
3710 * ifcvt.c (if_convert): Do not free NULL.
3712 2000-05-12 Nick Clifton <nickc@cygnus.com>
3714 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
3715 to move a double word value.
3716 (di_operand): New function: Return true if the operand is suitbale
3717 for a double word move operation.
3718 (nonimmediate_di_operand): New function: Return true if the
3719 operand is a DImode register or MEM.
3721 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
3722 nonimmediate_di_operand.
3724 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
3725 nonimmediate_di_operand.
3727 * config/fr30/fr30.md (movdi): New pattern. Required because
3728 other patterns generate DImode results.
3729 (movdi_insn): New pattern.
3731 2000-05-12 Richard Henderson <rth@cygnus.com>
3733 * config/alpha/alpha.c (struct shadow_summary): Define
3734 bitfields as type unsigned int.
3736 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
3738 * config/avr/t-avr: Added definition of FLOAT while generates
3741 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
3742 peepholes for tst+jump = sbrs/sbrc optimization.
3744 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
3746 * expr.c (emit_push_insn): Do not adjust stack pointer when
3749 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
3751 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
3752 * system.h (offsetof): ... to here.
3754 2000-05-12 Richard Henderson <rth@cygnus.com>
3756 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
3757 * final.c (final_end_function): Use app_disable. Rearrange note
3758 handling into a switch. Emit deleted labels.
3759 (output_asm_label): Generate label strings for deleted labels.
3760 * flow.c (tail_recursion_label_list): New.
3761 (find_basic_blocks_1): Set label_value_list directly. Collect list
3762 of tail recursion labels from call_placeholders. Don't add deleted
3763 labels to the label value list.
3764 (cleanup_cfg): Use free_EXPR_LIST_list.
3765 (flow_delete_insn_chain): Turn non-removable labels into notes.
3766 (flow_delete_block): Don't disable deleting the block because of
3767 a non-removable label.
3768 (tail_recursion_label_p): New.
3769 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
3771 (merge_blocks_move_successor_nojumps): Likewise. Also move a
3773 (merge_blocks): Disable a merge because of tail recursion labels.
3774 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
3775 Use a more accurate measure of not merging the join block.
3776 (find_if_block): Don't disable conversion because of a label.
3777 (find_if_case_1, find_if_case_2): Likewise.
3778 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
3779 element when copying.
3780 (squeeze_notes): Also leave EH notes.
3781 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
3783 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
3785 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
3786 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
3787 referring to a deleted label. Convert tail handling to a switch.
3788 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
3789 for NOTE_INSN_DELETED_LABEL.
3790 (NOTE): Fix commentary.
3791 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
3792 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
3793 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
3794 (LABEL_NUSES, LABEL_REFS): Likewise.
3795 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
3797 2000-05-12 Bruce Korb <bkorb@gnu.org>
3799 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
3800 * fixinc/check.diff: updated
3801 * fixinc/inclhack.def: corrected & added some test_text-s
3802 * fixinc/genfixes: removed unneeded options to autogen invocation
3803 * fixinc/fixincl.tpl: Specified the output file
3804 * fixinc/fixfixes.c: visual appearance
3805 * fixinc/fixincl.x: regenerate
3807 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
3809 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
3810 CTRL_defn_fix): Delete.
3811 (fix_char_macro_defines, fix_char_macro_uses): Rename to
3812 char_macro_def_fix and char_macro_use_fix, respectively. Put
3813 them into the FIXUP_TABLE. Get the string to search for from
3816 (format_write): New function.
3817 (format_fix): Use it.
3819 (FIX_PROC_HEAD): Constify text parameter.
3820 (machine_name_fix): Constify all char *s.
3821 * fixtests.c (skip_quote): Remove double static.
3823 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
3824 ctrl_use_quotes): Update for new scheme.
3825 * fixincl.x: Regenerate.
3827 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
3829 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
3831 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
3832 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
3834 2000-05-11 Robert Lipe <robertlipe@usa.net>
3836 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
3837 * fixincl.x: Regenerate.
3839 2000-05-11 Richard Henderson <rth@cygnus.com>
3841 * calls.c: Revert both 05-09 patches.
3843 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
3845 * config/mn10300/mn10300.c (print_operand): Print FP constants in
3847 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
3850 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
3851 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
3853 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
3855 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
3857 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
3859 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
3861 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
3863 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
3864 * config/avr/avr.c (jump_over_one_insn_p): New function.
3865 * config/avr/avr.md: New peepholes added. Output test and
3866 conditional jump to "sbrc" or "sbrs" command.
3868 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
3870 * cppmain.c (main): Use IS_DIR_SEPARATOR.
3872 2000-05-11 Jakub Jelinek <jakub@redhat.com>
3874 * except.c (find_exception_handler_labels_1): New function.
3875 (find_exception_handler_labels): Split into two functions, dive
3876 into CALL_PLACEHOLDERs when looking for exception handler labels.
3878 2000-05-11 Stan Cox <scox@cygnus.com>
3880 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
3881 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
3882 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
3884 2000-05-11 Bruce Korb <bkorb@gnu.org>
3886 * fixinc/fixfixes.c (double_slash_fix): obsolete
3887 (else_endif_label_fix): obsolete
3888 (format_fix): new, unused as yet
3890 * fixinc/fixlib.h: added fix description struct for use by format_fix
3891 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
3892 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
3893 modules. Removed the vestiges of the script version.
3894 Added support for "make check".
3895 * fixinc/check.diff: base diff file (needs work!!)
3896 * fixinc/check.tpl: quiet the fixup output
3897 * fixinc/fixtests.c (main): obsolete
3898 * fixinc/fixincl.sh: don't bother copying fixincl to ..
3899 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
3901 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
3903 * toplev.c (rest_of_compilation): Remove dead code after
3906 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
3908 * cpphash.c (collect_funlike_expansion): Make "# is not
3909 followed by a macro argument name" a pedwarn, not an error.
3910 Preserve the # in the output. Suppress the warning if lang_asm.
3912 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
3914 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
3915 * configure: Rebuilt.
3917 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
3919 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
3921 2000-05-10 Kazu Hirata <kazu@hxi.com>
3923 * combine.c (try_combine): Fix a typo.
3925 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
3927 * config/ia64/ia64.md (insv): Add comment.
3929 2000-05-10 Richard Henderson <rth@cygnus.com>
3931 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
3932 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
3933 dependancies on FPBIT and DPBIT.
3935 2000-05-10 Nick Clifton <nickc@redhat.com>
3937 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
3938 when optimising for size.
3939 (mark_used_regs:) Ditto.
3940 (try_pre_increment_1): Ditto.
3942 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
3944 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
3945 Make error message friendlier.
3947 * cpphash.h (struct hashnode): Use struct hack for name
3949 * cpphash.c (struct hashdummy): New.
3950 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
3951 (make_HASHNODE): No need to set ->name pointer. Correct
3953 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
3955 2000-05-10 Richard Henderson <rth@cygnus.com>
3957 * flow.c (find_basic_blocks_1): Remove any spare bb_note
3960 2000-05-10 Bruce Korb <bkorb@gnu.org>
3962 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
3964 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
3966 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
3967 after we enter .debug.
3969 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
3971 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
3972 abstract instance of a nested inline function.
3974 * stor-layout.c (finish_record_layout): finalize_type_size
3975 before laying out the pending_statics.
3977 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
3979 * cpplex.c (spell_token): New function.
3980 (spell_string, spell_comment, spell_name): fold into
3983 (E, H): Remove macros.
3984 (save_comment): Save comment opening characters too.
3985 (_cpp_lex_file): Update to use spell_token. Tidy up comment
3987 * cpplib.h (I, S): Add macros.
3988 (E, H): Remove macros.
3989 (TTYPE_TABLE): Update entries for new speller.
3990 (SYNTAX_ASSERT): Remove.
3992 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
3994 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
3995 when removing escaped newlines. Reverse sense of test for
3998 2000-05-09 Richard Henderson <rth@cygnus.com>
4000 * flow.c (find_basic_blocks_1): Do not delete the first
4001 bb_note we run across.
4002 (create_basic_block): Use reorder_insns to move an existing
4003 bb_note to the correct place.
4005 2000-05-09 Richard Henderson <rth@cygnus.com>
4007 * calls.c (expand_call): Increment currently_expanding_call
4008 before calling optimize_tail_recursion.
4010 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4012 * reload1.c (reload_combine): Fix errors in last change.
4014 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
4016 * gcc.c (used_arg): Skip over a semicolon at the end of the
4017 split-up loop; don't break out of it.
4019 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
4020 (tree.o): Depend on output.h.
4022 * c-decl.c (pending_invalid_xref_file,
4023 current_function_prototype_file): Constify.
4024 (pushdecl): Constify a local char *.
4025 (define_label): Constify filename parameter.
4026 * c-lex.c (init_parse): Constify parameter and return value.
4027 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
4028 * c-tree.h: Update prototypes.
4029 * c-parse.in: Constify filename member of %union, and if_stmt_file.
4030 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
4031 objc/objc-parse.c: Regenerate.
4033 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
4034 * dwarfout.h: Update prototypes.
4035 * expr.c (expand_expr): Constify a local char *.
4036 * flags.h: Constify main_input_filename.
4037 * function.c (expand_function_end): Constify filename parameter.
4038 * genrecog.c (make_insn_sequence): Use a character array for
4040 (main): Remove unused variables.
4041 * input.h: Constify input_filename, main_input_filename, and
4042 file_stack.name. Update prototypes.
4043 * output.h: Declare first_global_object_name and
4044 weak_global_object_name here, as const char *.
4045 * stmt.c (expand_asm_operands): Constify filename parameter.
4046 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
4047 Constify filename parameter.
4048 (input_filename, main_input_filename): Constify.
4049 * toplev.h: Update prototypes.
4050 * tree.c: Include output.h. Don't declare
4051 first_global_object_name or weak_global_object_name. Clean up string
4052 bashing in get_file_function_name_long.
4053 * tree.h (struct tree_decl): Constify filename member.
4054 (input_filename): Constify.
4056 * varasm.c (first_global_object_name, weak_global_object_name):
4058 (assemble_start_function, assemble_variable): Clean up string bashing.
4060 * gcc.c: Constify all spec-related strings initialized,
4061 transitively, from string constants. Constify all strings
4062 and string variables related to multilibs.
4063 (set_spec, read_specs): Cast argument to free to PTR.
4064 (used_arg): Do not modify multilib_matches. Use strncmp plus
4065 length comparison to compare multilib switches.
4066 * genmultilib: Constify everything declared in multilib.h.
4068 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
4070 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
4073 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
4075 * config/avr/avr-protos.h (extra_constraint): change a type of
4076 second argument from char to int to avoid warnings.
4077 (asm_output_byte): Likewise.
4079 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
4080 (initial_elimination_offset): Handle elimination from
4081 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
4082 (legitimate_address_p): Use MAX_LD_OFFSET.
4083 (legitimize_address): Likewise.
4084 (out_movqi_r_mr): Likewise.
4085 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
4086 (out_movsi_r_mr): Use MAX_LD_OFFSET.
4087 (out_movsi_mr_r): Likewise.
4088 (out_movqi_mr_r): Likewise.
4089 (out_movhi_mr_r): Likewise.
4090 (notice_update_cc): Correct CC for the ashrqi3 with the shift
4091 count as CONST_INT != 6.
4092 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
4093 shift count is a CONSTANT_P, but not a CONST_INT.
4094 (ashlhi3_out): Coding style modifications.
4095 (ashlsi3_out): Likewise.
4096 (ashrhi3_out): Likewise.
4097 (ashrsi3_out): Likewise.
4098 (lshrhi3_out): Likewise.
4099 (lshrsi3_out): Likewise.
4100 (ashrqi3_out): Generate shift for any known constant count without
4101 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
4102 but not a CONST_INT.
4103 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
4104 shift count is a CONSTANT_P, but not a CONST_INT.
4105 (extra_constraint): change a type of
4106 second argument from char to int to avoid warnings.
4107 (asm_output_byte): Likewise.
4108 (asm_file_end): Output size generated commands count as a hex
4111 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
4113 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
4115 (ashlqi3): Values of "length" attribute changed. Shift count
4116 uses constraints 'n' instead of 'i'.
4117 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
4118 shifts without clobber register.
4119 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
4120 (call_insn): Correct test for which_alternative == 1 (was 0).
4121 (call_value_insn): Likewise.
4123 * config/avr/t-avr: Remove definition of FLOAT while generates
4126 2000-05-09 Bruce Korb <bkorb@gnu.org>
4128 * fixinc/check.tpl: Template for checking fixes
4129 * fixinc/inclhack.def: Added 'test_text' for many fixes
4130 disable hpux8_bogus_inlines on SCO
4131 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
4133 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
4135 * calls.c (expand_call): Reorganize somewhat in order
4136 to avoid unnecesary recalculation inside loop and make
4137 tail call failure code cleaner.
4139 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4141 * alias.c (nonlocal_reference_p): Minor reformatting.
4142 * reload.c (find_equiv_reg): Simplify logic for
4143 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
4144 some some reformatting.
4145 * reload1.c (reload_combine): Don't assume everything in
4146 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
4148 2000-05-08 Richard Henderson <rth@cygnus.com>
4150 * final.c (current_insn_predicate): New.
4151 (final_scan_insn): Set it.
4152 * output.h (current_insn_predicate): Declare.
4154 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
4155 Attach it to call insns.
4156 (cond_exec_process_if_block): Track probability for true and
4158 (dead_or_predicable): Likewise.
4160 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
4161 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
4162 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
4163 (estimate_probability, expected_value_to_br_prob): Use them.
4165 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
4166 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
4167 (ia64_expand_prediction): New.
4168 (emit_insn_group_barriers): Don't look at notes. Emit barriers
4169 as needed after calls.
4170 (ia64_epilogue_uses): Mark b0 used.
4171 * config/ia64/ia64.md (beq_true, beq_false): Remove.
4172 (bne_true, bne_false): Remove.
4173 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
4174 (br_true, br_false): New. Use predicate_operator and
4175 ia64_expand_prediction.
4176 (return_true, return_false): Likewise.
4177 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
4178 (call_internal1, call_value_internal): Likewise.
4179 (call_value_internal1, call_multiple_values_internal1): Likewise.
4181 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
4183 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
4185 2000-05-08 Richard Henderson <rth@cygnus.com>
4187 * rtlanal.c (may_trap_p): Consider old-style and volatile
4190 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
4192 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
4194 2000-05-08 Richard Henderson <rth@cygnus.com>
4196 * config/ia64/ia64.h (predicate_operator): Declare.
4198 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
4201 * gensupport.c (process_rtx): Copy and post-process each member
4202 of the define_insn rtvec individually.
4204 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
4206 * cpplex.c (spell_token): New function.
4207 (TOKEN_LEN): Add 1 for whitespace.
4208 (_cpp_lex_file): Update to use spell_token.
4209 * cpplib.h (E): Remove.
4210 (TTYPE_TABLE): Update CPP_VSPACE entry.
4212 2000-05-08 Richard Henderson <rth@cygnus.com>
4214 * flow.c (init_propagate_block_info): Watch out for conditional
4215 branch to next instruction, and thus one outgoing edge.
4217 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
4218 for global register variables; don't special case __[CD]TOR_LIST__;
4219 mind ggc_p for string allocation.
4221 2000-05-08 Nick Clifton <nickc@cygnus.com>
4223 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
4225 2000-05-08 Bruce Korb <bkorb@gnu.org>
4227 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
4228 i?86-*-msdosdjgpp* no longer uses fixincludes
4229 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
4230 * fixinc/inclhack.sh: deleted
4231 * fixinc/hackshell.tpl: deleted
4232 * fixinc/inclhack.tpl: deleted
4233 * fixinc/Makefile.in: Remove dependencies on above
4234 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
4236 2000-05-08 Andreas Jaeger <aj@suse.de>
4238 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
4241 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
4243 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
4246 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
4248 * cpplex.c: Move new lexer definitions and prototypes
4249 to top. Conditional include these and the code if
4250 NEW_LEXER is defined. Rename functions whose names
4251 clash if this code included.
4253 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
4255 * rtl.def (COND_EXEC): Clarify.
4257 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
4258 same fashion as zero_extendsidi2.
4260 2000-05-06 Richard Henderson <rth@cygnus.com>
4262 * config/ia64/ia64.c (predicate_operator): New.
4263 (ia64_print_operand): Handle 'J'.
4264 (rtx_needs_barrier): Handle COND_EXEC.
4265 * config/ia64/ia64.h (BRANCH_COST): Define.
4266 (PREDICATE_CODES): Update.
4267 * config/ia64/ia64.md: Docuement used unspec values.
4268 (attr predicable): New.
4269 (movxf, movxf_internal): New.
4270 (extendsfdf2): Don't comment out nop.
4271 (floatdidf2): Remove.
4272 (truncxfsf2, truncxfdf2, floatdixf2): New.
4273 (abssi2, absdi2): Put the neg in the "true" slot.
4274 (conditional branch instructions): Mark not predicable.
4275 (cmov*_internal): Use predicate_operator. Split to cond_exec.
4276 (abs*_internal): Likewise.
4277 (alloc, set_bsp): Mark not predicable.
4278 (barrier, insn_group_barrier, flush_cache): Likewise.
4279 (define_cond_exec): New.
4281 2000-05-06 Richard Henderson <rth@cygnus.com>
4283 * c-decl.c: Include "tm_p.h".
4285 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
4286 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
4287 (ia64_expand_op_and_fetch): Declare.
4288 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
4289 (setjmp_operand): Constify variables for XSTR.
4290 (ia64_encode_section_info): Likewise.
4291 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
4293 (ia64_asm_output_external): Constify name.
4294 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
4295 (process_for_unwind_directive): Provide switch default.
4296 (ia64_expand_compare_and_swap): Remove unused variables.
4297 (ia64_expand_builtin): Likewise.
4298 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
4301 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
4302 (symbolic_operand, function_operand, setjmp_operand): Likewise.
4303 (shift_count_operand, shift_32bit_count_operand): Likewise.
4304 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
4305 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
4306 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
4307 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
4308 (ia64_expand_builtin): Likewise.
4309 (call_multiple_values_operation): Make dest_regno unsigned.
4311 2000-05-06 Richard Henderson <rth@cygnus.com>
4313 * rtl.def (DEFINE_COND_EXEC): New.
4314 * md.texi: Document it.
4316 * gensupport.c (input_file): Remove.
4317 (struct queue_elem): Add lineno.
4318 (rtx_ready_queue): Remove.
4320 (predicable_default): New.
4321 (predicable_true, predicable_false): New.
4322 (define_attr_queue, define_attr_tail): New.
4323 (define_insn_queue, define_insn_tail): New.
4324 (define_cond_exec_queue, define_cond_exec_tail): New.
4325 (other_queue, other_tail): New.
4326 (queue_pattern): New.
4327 (process_rtx): Add patterns to the appropriate queues.
4328 (is_predicable, identify_predicable_attribute): New.
4329 (n_alternatives, collect_insn_data): New.
4330 (alter_predicate_for_insn, alter_test_for_insn): New.
4331 (shift_output_template, alter_output_for_insn): New.
4332 (process_one_cond_exec, process_define_cond_exec): New.
4333 (init_md_reader): Read the entire file. Process define_cond_exec.
4334 (read_md_rtx): Return elements from the queues.
4336 2000-05-06 Richard Henderson <rth@cygnus.com>
4338 * flow.c (mark_set_1): Don't update conditional life info
4339 if the register is not_dead.
4341 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
4343 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
4344 (mostlyclean): Also delete fixincl, fixinc.sh, and
4345 specs.ready, and make clean in the fixinc subdir.
4347 2000-05-06 Richard Henderson <rth@cygnus.com>
4349 * Makefile.in (gensupport.o): Compile for the host.
4350 (host-prefix gensuuprt.o): Remove.
4351 (genflags.o): Depend on gensupport.h and OBSTACK_H.
4352 (genattrtab.o): Likewise.
4353 (gencodes.o): Depend on gensupport.h.
4354 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
4355 (genpeep.o, genattr.o, genoutput.o): Likewise.
4357 * gensupport.c (obstack, rtl_obstack): New.
4358 (init_md_reader): Initialize rtl_obstack.
4359 * gensupport.h (rtl_obstack): Declare.
4360 (message_with_line): Declare.
4362 * genattr.c: Remove all traces of obstack manipulation.
4363 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
4364 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
4366 * genattrtab.c (obstack, rtl_obstack): Remove.
4367 (main): Don't init rtl_obstack.
4368 * genflags.c: Likewise.
4370 * genrecog.c (message_with_line): Move ...
4371 * gensupport.c: ... here.
4373 2000-05-06 Richard Henderson <rth@cygnus.com>
4375 * c-typeck.c (build_c_cast): Remove dead code.
4377 2000-05-06 Richard Henderson <rth@cygnus.com>
4379 * flow.c (split_edge): Don't allocate global_live_at_start for
4380 the new block unless the old blocks had them as well.
4382 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
4384 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
4385 test_bb if a or b uses x.
4387 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
4389 * cpphash.h: Remove conditional #define of __extension__.
4390 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
4391 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
4392 (ENABLE_RTL_CHECKING only).
4393 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
4394 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
4395 (ENABLE_TREE_CHECKING only).
4396 * varray.h: Add __extension__ to VARRAY_CHECK macro
4397 (ENABLE_CHECKING only).
4399 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
4401 Use new tail-calling mechanism on ARM.
4402 * arm.md (sibcall, sibcall_value): New expands.
4403 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
4404 (tailcalling peepholes): Delete.
4405 (push_multi): Simplify.
4406 * arm.c (lr_save_eliminated): Delete definition.
4407 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
4408 (output_return_instruction): Remove checks on lr_save_eliminated.
4409 (output_arm_prologue): Remove old tail-calling code.
4410 (arm_output_epilogue): New parameter, really_return. All callers
4411 changed. Handle tail-calling epilogues.
4412 * arm.h (lr_save_eliminated): Delete declaration.
4413 (frame_pointer_needed): Delete declaration.
4414 * arm-protos.h (arm_output_epilogue): Adjust prototype.
4416 * arm.md (is_thumb): Examine symbol thumb_code, not expression
4418 * arm.c (thumb_code): Define it.
4419 (arm_override_options): Set it.
4420 * arm.h (thumb_code): Declare it.
4422 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
4424 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
4426 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
4428 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
4429 bogus clobber to insns.
4430 (load_multiple_operation, store_mulitple_operation): Don't check
4432 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
4434 * arm.md (and_scc, ior_scc): Add missing mode.
4436 * arm.md (call_value_symbol): Remove predicate from op2.
4438 * arm.h (SPECIAL_MODE_PREDICATES): Define.
4440 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4442 * expr.c (get_subtarget): New function.
4443 (force_operand, expand_expr, do_store_flag): Use it.
4445 * toplev.c (compile_file): Don't take strlen of NAME if null.
4447 2000-05-06 David Edelsohn <edelsohn@gnu.org>
4449 * xcoffout.c (xcoff_current_include_file,
4450 xcoff_current_function_file, xcoff_lastfile): Constify char *.
4451 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
4453 (xcoffout_declare_function): Make name 'const char *'.
4454 (xcoffout_end_epilogue): Make fname 'const char *'
4455 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
4456 xcoffout_declare_function, xcoffout_source_line): Match above.
4458 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
4460 * rs6000.c (print_operand): Fix lossage typo.
4461 (output_cbranch): Remove "cr" decoration for now.
4462 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
4464 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
4466 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
4469 2000-05-05 Bruce Korb <bkorb@gnu.org>
4471 * fixinc/genfixes: Improve the matching for make target names
4473 2000-05-05 Catherine Moore <clm@cygnus.com>
4475 * c-common.c (decl_attributes): For TYPE_DECLs attach the
4476 attribute to the decl.
4477 * c-decl.c (pushdecl): Propagate the USED attribute to the
4480 2000-05-05 Richard Henderson <rth@cygnus.com>
4482 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
4483 same way emit_group_load does.
4485 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
4487 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
4489 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
4492 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
4494 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
4496 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
4498 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
4499 to support -shared, on platforms with dynamic libraries.
4501 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
4503 * system.h (S_ISBLK): Provide fallback definition.
4505 2000-05-05 Geoff Berry <geoffb@bops.com>
4507 * extend.texi (Extended Asm): Document inability to give asm
4508 statements access to condition codes.
4510 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
4512 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
4513 as arg 2 of UNIQUE_SECTION.
4515 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
4517 * predict.c: Remove May 4 change.
4518 * bb-reorder.c (make_reorder_chain): Do not perform block movement
4519 if we have predicted the branch at 50-50 probability.
4521 2000-05-05 Richard Henderson <rth@cygnus.com>
4523 * flow.c (init_propagate_block_info): Fix merge error
4524 in HAVE_conditional_execution code.
4526 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
4528 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
4529 shift cycle for unknown shift count. Also generates dec + brpl.
4530 (ashlqi3_out): Don't generate dec + brpl which now generates by
4531 `out_shift_with_cnt'.
4532 (ashlhi3_out): Likewise.
4533 (ashlsi3_out): Likewise.
4534 (ashrqi3_out): Likewise.
4535 (ashrhi3_out): Likewise.
4536 (ashrsi3_out): Likewise.
4537 (lshrqi3_out): Likewise.
4538 (lshrhi3_out): Likewise.
4539 (lshrsi3_out): Likewise.
4541 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
4543 * gcc.c (free_split_directories): Correct typo in explanation
4544 of make_relative_prefix.
4546 2000-05-04 Geoff Keating <geoffk@cygnus.com>
4548 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
4549 comparison codes to branch_comparison_operator.
4551 2000-05-04 Richard Henderson <rth@cygnus.com>
4553 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
4555 2000-05-04 Richard Henderson <rth@cygnus.com>
4557 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
4558 (DPBIT_FUNCS): Remove _sf_to_usi.
4559 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
4561 * ifcvt.c (noce_process_if_block): Fail if A or B modified
4562 between condition and jump.
4564 * libgcc2.c (near eh_context_specific): Comment #endif string.
4565 * longlong.h: Don't use strings with embedded newlines.
4567 2000-05-04 Geoff Keating <geoffk@cygnus.com>
4569 * config/rs6000/rs6000-protos.h: Add output_cbranch.
4570 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
4571 (print_operand): Delete %t and %T codes.
4572 (output_cbranch): New function. Support branch prediction.
4573 * config/rs6000/rs6000.md: Use output_cbranch for
4574 conditional branches and returns.
4576 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
4578 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
4579 * stor-layout.c (place_field): Likewise.
4580 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
4581 * expr.c (store_expr): Make align unsigned.
4582 * explow.c (plus_constant_wide): Make low words unsigned.
4583 * expmed.c (choose_multiplier): Likewise.
4584 * fold-const.c (fold): Likewise.
4585 * tree.h (build_int_2): Likewise.
4586 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
4587 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
4588 (init_emit): Change cast to unsigned char*.
4589 * varasm.c (compare_constant_1): Add cast to char*.
4590 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
4591 * reload1.c (reload): Likewise.
4593 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
4595 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
4597 * predict.c (estimate_probability): If no prediction was found, then
4598 predict the successor that is the next physical block (if such a
4601 2000-05-04 Richard Henderson <rth@cygnus.com>
4603 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
4605 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4607 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
4609 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
4611 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
4612 attribute macros from here ...
4613 (CPP_SPEC): to here.
4614 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
4615 (CPP_SPEC): Likewise.
4616 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
4618 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
4619 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
4621 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4623 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
4625 * diagnostic (vbuild_message_string, build_message_string,
4626 build_location_prefix, output_get_prefix, init_output_buffer,
4627 output_notice, vline_wrapper_message_with_location,
4628 v_message_with_decl, default_print_error_function): De-constify.
4629 (set_real_maximum_length): Prototype.
4631 * diagnostic.h (struct output_buffer, init_output_buffer,
4632 output_get_prefix, output_set_prefix): De-constify.
4634 * function.c (init_function_start): Constify.
4636 * gensupport.c (remove_constraints, process_rtx): Prototype.
4638 * gthr-posix.h: Indent uses of #pragma.
4640 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
4643 * predict.c (find_expected_value): Delete prototype.
4644 (expected_value_to_br_prob): Initialize variable `ev_reg'.
4646 * sbitmap.h (debug_sbitmap): Prototype.
4648 * ssa.c (compute_coalesced_reg_partition): Prototype.
4650 * stor-layout.c (debug_rli): Prototype.
4652 * tree.h (round_down): Prototype.
4653 (init_function_start): Constify.
4655 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
4657 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
4658 (overly conservative). Change extern inline wrappers to
4659 static inline, define them always, use PARAMS properly.
4660 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
4661 whitespace warnings for \f and \v at the beginning of a line.
4663 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
4665 * haifa-sched.c (schedule_insns): Free the flow edge list when it
4668 2000-05-04 Bruce Korb <bkorb@gnu.org>
4670 * fixincl/inclhack.def: added broken_cabs -
4671 Remove `extern double cabs' declarations from math.h
4672 * fixincl/inclhack.sh: regen
4673 * fixincl/fixincl.x: regen
4674 * fixincl/fixincl.c: Remove BOGOSITY code
4675 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
4677 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4679 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
4681 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
4682 when calling MEM_COPY_ATTRIBUTES.
4683 * emit-rtl.c (operand_subword, change_address): Likewise.
4684 * explow.c (stabilize): Likewise.
4685 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
4686 * integrate.c (copy_rtx_and_substitute): Likewise.
4687 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
4688 when calling MEM_COPY_ATTRIBUTES.
4689 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
4691 * cse.c (gen_lowpart_if_possible): Likewise.
4692 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
4693 * optabs.c (gen_move_insn): Likewise.
4694 * recog.c (validate_replace_rtx_1): Likewise.
4695 * simplify-rtx.c (add_mem_for_addr): Likewise.
4696 * stmt.c (expand_anon_union_decl): Likewise.
4697 * config/arm/arm.md: Likewise.
4698 * config/h8300/h7300.c (fix_bit_operand): Likewise.
4699 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
4700 (block_move_no_loop, block_move_sequence): Likewise.
4701 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
4702 * config/alpha/alpha.c (get_aligned_mem): Likewise.
4703 Clear MEM_ALIAS_SET.
4704 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
4705 MEM_COPY_ATTRIBUTES.
4707 2000-05-03 Robert Lipe <robertlipe@usa.net>
4709 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
4710 to suppress libgcc1.
4711 (i[34567]86-*-sco3.2v5*) Likewise.
4712 (i[34567]86-*-sco3.2v4*) Likewise.
4713 (i[34567]86-*-sco) Likewise.
4714 (i[34567]86-*-solaris2) Likewise.
4715 (i[34567]86-*-sysv5*) Likewise.
4716 (i[34567]86-*-sysv4*) Likewise.
4717 (i[34567]86-*-udk*) Likewise.
4718 (i[34567]86-*-sysv*) Likewise.
4720 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
4722 * cpphash.h (U): New define, to correct type of string constants.
4723 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
4724 routines, to do casts when passing unsigned strings to libc.
4725 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
4727 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
4728 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
4729 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
4730 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
4731 second argument an U_CHAR *.
4733 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
4734 length field, clean up initializer.
4735 (ISTABLE): Add __extension__ to designated-
4736 initializers version.
4737 * cpplex.c (CHARTAB): Likewise.
4739 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
4740 case so the file won't be empty.
4742 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
4744 * bb-reorder.c (struct reorder_block_def): Member succ removed.
4745 (REORDER_BLOCK_SUCC): Removed.
4746 (enum reorder_skip_type): Removed.
4747 (skip_insns_between_block): Renamed to skip_insns_after_block.
4748 Removed second argument. Removed dead code and cleaned up.
4749 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
4750 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
4751 second parameter to skip_insns_after_block.
4753 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4755 * tree.c (staticp, case LABEL_DECL): New case.
4757 2000-05-03 Richard Henderson <rth@cygnus.com>
4759 * Makefile.in (start.encap): Do not depend on LIBGCC1.
4761 * mklibgcc1.in: Fix typo last change.
4763 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
4765 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
4766 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
4767 (GCC_CFLAGS): Use it.
4768 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
4769 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
4770 objc/Make-lang.in: Use it.
4772 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
4774 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
4776 2000-05-03 Richard Henderson <rth@cygnus.com>
4778 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
4779 LIBGCC1 empty with libgcc1.null.
4781 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
4783 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
4786 2000-05-03 Greg McGary <gkm@gnu.org>
4788 * tree.h (tree_common): Add bounded_flag member. Remove
4789 inaccurate comment about number of remaining bits.
4790 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
4791 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
4792 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
4793 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
4794 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
4795 (TYPE_QUAL_BOUNDED): New constant.
4796 (TYPE_QUALS): Handle bounded qualifier.
4797 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
4798 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
4799 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
4800 TYPE_AMBIENT_BOUNDEDNESS): New macros.
4801 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
4802 (tree_type): Add pointer_depth member. Remove
4803 inaccurate comment about number of remaining bits.
4804 (DECL_POINTER_DEPTH): Add macro.
4805 (tree_decl): Add pointer_depth member.
4807 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
4809 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
4810 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
4811 (lshrhi3_out): Likewise.
4812 (ashrsi3_out): bugfix in shift by 8.
4813 (test_hard_reg_class): New function.
4814 * config/avr/avr.md: Bugfix inside conditions in peepholes.
4815 (ashlhi3): removed define_expand of this pattern.
4816 (*ashlhi3_insn): renamed to ashlhi3.
4817 (ashlsi3): removed define_expand of this pattern.
4818 (*ashlsi3_insn): renamed to ashlsi3.
4819 (ashrqi3): removed define_expand of this pattern.
4820 (*ashrqi3_insn): renamed to ashrqi3.
4821 (ashrhi3): removed define_expand of this pattern.
4822 (*ashrhi3_insn): renamed to ashrhi3.
4823 (ashrsi3): removed define_expand of this pattern.
4824 (*ashrsi3_insn): renamed to ashrsi3.
4825 (lshrhi3): removed define_expand of this pattern.
4826 (*lshrhi3_insn): renamed to lshrhi3.
4827 (lshrsi3): removed define_expand of this pattern.
4828 (*lshrsi3_insn): renamed to lshrsi3.
4830 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
4832 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
4833 inclusion of "system.h".
4835 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
4837 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
4840 2000-05-03 David Mosberger <davidm@hpl.hp.com>
4842 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
4843 if -mauto-pic is on.
4844 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
4845 -mconstant-gp is in effect and function-descriptors are being used
4846 to make indirect calls.
4847 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
4848 (MASK_AUTO_PIC): Ditto.
4849 (TARGET_CONST_GP): Ditto.
4850 (TARGET_AUTO_PIC): Ditto.
4851 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
4852 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
4853 -mno-pic is in effect.
4854 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
4855 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
4856 -mauto-pic is in effect.
4857 (gprel64_offset): New pattern.
4858 (load_gprel64): Ditto.
4859 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
4860 -mconstant-gp is in effect, no need to preserve gp around direct
4862 (call_value): Ditto.
4863 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
4864 (FUNCTION_PROFILER): Define.
4865 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
4866 @fptr() directive when -mno-pic or -mauto-pic is in effect.
4867 (ASM_OUTPUT_DESTRUCTOR): Ditto.
4869 2000-05-03 Richard Henderson <rth@cygnus.com>
4871 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
4872 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
4873 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
4874 (mklibgcc, libgcc.mk): New targets.
4875 (libgcc.a): Use libgcc.mk.
4876 (stmp-multilib): Likewise.
4877 (stmp-multilib-sub): Remove.
4878 (mostlyclean): Don't delete libgcc2 temp files.
4879 * configure.in (AC_PROG_CC_C_O): Add.
4880 (NO_MINUS_C_MINUS_O): Substitute it.
4881 (all_outputs): Add mklibgcc.
4882 * mklibgcc.in: New file.
4884 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
4886 * cppexp.c (op_t): Make an int.
4888 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
4890 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
4892 * gensupport.c (process_rtx): Fix macros used.
4894 2000-05-03 Richard Henderson <rth@cygnus.com>
4896 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
4897 call-clobbered registers of a call.
4899 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
4901 * gensupport.c: New file.
4902 * gensupport.h: New file.
4903 * Makefile.in (HOST_RTL): Depend on gensupport.
4904 (gensupport.o) New rule.
4905 * genattr.c: Use gensupport for reading .md files.
4906 * genattrtab.c: Ditto.
4907 * gencodes.c: Ditto.
4908 * genconfig.c: Ditto.
4910 * genextract.c: Ditto.
4911 * genflags.c: Ditto.
4912 * genopinit.c: Ditto.
4913 * genoutput.c: Ditto.
4915 * genrecog.c: Ditto.
4916 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
4917 * md.texi (Insn Splitting): Document define_insn_and_split.
4919 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
4921 * flow.c (verify_flow_info): Added two more sanity checks. The
4922 first checks that the blocks are numbered consecutively. The second
4923 checks that n_basic_blocks is actually equal to the number of
4924 basic blocks in the insn chain.
4926 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
4928 * cpplib.h: Add accessor macros for token lists.
4929 * cpplib.c, cpphash.c, cpplex.c: Use them.
4931 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4933 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
4934 memory usage if not in a function.
4935 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
4936 return address if static.
4938 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
4940 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
4941 whether address may trap.
4943 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
4945 * bb-reorder (chain_reorder_blocks): Changed code to test for
4946 EDGE_FALLTHRU rather than making erroneous assumption that the
4947 first outgoing edge is the fall-through edge.
4949 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
4951 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
4952 ABI for varargs, across all MIPS. This is incompatible because the
4953 va_list (__builtin_va_list) structure is different, so a compilation
4954 unit passing a va_list and a compilation unit being passed one, should
4955 both be compiled with the same ABI. (The old structure had two
4956 pointers, now it has three.)
4958 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
4960 * bb-reorder.c (struct reorder_block_def): Remove members end,
4961 block_begin, and block_end.
4962 (REORDER_BLOCK_OLD_END): Delete.
4963 (REORDER_BLOCK_BEGIN): Delete.
4964 (REORDER_BLOCK_END): Delete.
4965 (chain_reorder_blocks): Remove dead code.
4967 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
4969 * bb-reorder.c (remove_scope_notes): Check for both types of scope
4970 notes as the end of a basic block before deleting.
4972 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
4974 * final.c (final_start_function): Fix spelling of "necessary".
4976 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
4978 * toplev.c (debug_ignore_block): Return int.
4979 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
4980 * toplev.h, dwarf2out.h: Adjust.
4981 * emit-rtl.c (remove_unnecessary_notes): Test return value.
4983 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
4984 * toplev.c, final.c, rtl.h: Adjust.
4986 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
4988 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
4989 * configure.in: Look for makeinfo in the unified tree, then
4990 for a system makeinfo which is sufficiently new.
4991 * Makefile.in: If configure says makeinfo is too old, don't
4992 build or install Info documentation.
4994 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
4996 * cpphash.c (collect_params): Fix off-by-one error.
4997 (dump_hash_helper): Dump all four macro nodetypes.
4999 2000-05-02 Jakub Jelinek <jakub@redhat.com>
5001 * cpphash.c (trad_stringify): Adjust p after stringification as
5004 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
5006 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
5007 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
5009 * cppfiles.c (file_cleanup): Delete.
5010 * cpphash.c (macro_cleanup): Delete.
5011 (collect_objlike_expansion, collect_funlike_expansion,
5012 macarg, scan_arguments): Remove CPP_POP case.
5014 * cpplex.c (null_cleanup): Delete.
5015 (cpp_pop_buffer): Do the work that was done in the cleanups
5016 here. Call _cpp_unwind_if_stack from here.
5017 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
5018 cpp_scan_buffer): Run until we see CPP_EOF and the top of
5019 stack is the buffer _below_ the one we stacked.
5020 (cpp_get_token): Always pop an exhausted buffer. Return
5021 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
5022 * cpplib.c (skip_if_group): Don't call cpp_get_token to
5023 increment the line number.
5024 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
5026 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
5027 we see CPP_EOF and the top of stack is the buffer _below_ the
5029 * scan-decls.c: Likewise.
5031 2000-05-02 Andrew Haley <aph@cygnus.com>
5033 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
5034 where this function is called for the second time on a decl that
5035 has had its section info changed in such a way as to move it out
5037 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
5039 2000-05-01 Richard Henderson <rth@cygnus.com>
5041 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
5042 the sequence we're moving, not to merge_bb->head.
5044 2000-05-01 Richard Henderson <rth@cygnus.com>
5046 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
5047 reference to alpha/t-linux.
5048 (alpha*-*-linux-gnu*): Likewise.
5049 * configure: Rebuild.
5051 * calls.c (expand_call): Don't emit reg notes for a sibcall.
5053 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
5056 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
5058 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
5060 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
5063 2000-05-01 Richard Henderson <rth@cygnus.com>
5065 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
5066 emit_conditional_move.
5068 2000-05-01 Jakub Jelinek <jakub@redhat.com>
5070 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
5071 as the dynamic linker.
5073 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
5075 * cppfiles.c (open_include_file): Open file in blocking mode.
5076 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
5077 Only exclude block devices and directories.
5079 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
5080 static. Allocate the hashnode and its string in the same
5082 (del_HASHNODE): Don't free h->name.
5083 (_cpp_lookup): If there is no entry for this string, create
5084 one, of type T_VOID.
5085 (_cpp_lookup_slot): Delete.
5086 * cpphash.h: Update prototypes.
5088 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
5090 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
5091 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
5092 node here, just fill in the value field properly. "Delete"
5093 entries by setting the value field to T_VOID. Check for
5094 hp->type == T_VOID, not hp == NULL.
5096 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
5097 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
5100 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
5102 * config/mn10300/mn10300.c (print_operand_address): Do not add
5105 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
5106 adjusted by less than 256 bytes, use ret regardless of having any
5107 callee-saved register to restore.
5109 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
5111 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
5113 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
5115 * config/i386/djgpp.h (INT_ASM_OP): Define.
5116 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
5117 (ASM_WEAKEN_LABEL): Define.
5118 (MASK_BNU210): Define.
5119 (SUBTARGET_SWITCHES): Define.
5120 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
5121 (MAKE_DECL_ONE_ONLY): Define.
5122 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
5124 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
5126 * i386/cygwin.h (INT_ASM_OP): Define.
5128 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
5130 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
5131 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
5133 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
5135 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
5136 __tmp_reg__ and __zero_reg__ initialization.
5138 2000-04-30 Richard Henderson <rth@cygnus.com>
5140 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
5142 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
5143 referenced bewteen the condition and the jump. Don't delete
5144 anything but the jump.
5146 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
5148 * bb-reorder.c (scope_def): New struct.
5149 (scope_forest_info): New struct.
5150 (struct reorder_block_def): New member "scope".
5151 (REORDER_BLOCK_SCOPE): New macro.
5152 (relate_bbs_with_scopes): New function and prototype.
5153 (make_new_scope): Likewise.
5154 (build_scope_forest): Likewise.
5155 (remove_scope_notes): Likewise.
5156 (insert_intra_1): Likewise.
5157 (insert_intra_bb_scope_notes): Likewise.
5158 (insert_inter_bb_scope_notes): Likewise.
5159 (rebuild_scope_notes): Likewise.
5160 (free_scope_forest_1): Likewise.
5161 (free_scope_forest): Likewise.
5162 (dump_scope_forest): Likewise.
5163 (dump_scope_forest_1): Likewise.
5164 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
5165 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
5167 (reorder_basic_blocks): Added calls to build_scope_scope_forest
5168 and remove_scope_notes before reordering is done. Added calls to
5169 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
5170 after reordering is done.
5172 2000-40-30 Bruce Korb <bkorb@gnu.org>
5174 * fixinc/inclhack.def: Added definitions needed by OSR5,
5175 removed two stale entries (defined away with OLD_CPP).
5176 * fixinc/inclhack.sh: regen
5177 * fixinc/fixincl.x: regen
5179 2000-04-30 Richard Henderson <rth@cygnus.com>
5181 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
5182 from the last insn in the sequence.
5184 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
5186 * cpplex.c (cpp_idcmp): New function.
5187 * cpplib.h: Prototype it.
5188 * scan_decls.c (scan_decls): Use it to inspect token names.
5189 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
5190 the file being run through the preprocessor.
5191 (check_macro_names): Provide length of token to cpp_defined.
5193 * Makefile.in: Remove stale warning message.
5195 * cppfiles.c (redundant_include_p): Provide length of token to
5197 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
5198 values are unsigned int.
5199 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
5200 (_cpp_lookup_slot): Do not calculate the hash, either.
5201 * cpphash.h: Update prototypes.
5202 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
5203 Hashes are unsigned int. Calculate hash here, pass by value
5204 to _cpp_lookup_slot.
5206 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
5208 * simplify-rtx.c (check_value_useless): Delete function.
5209 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
5211 (cselib_invalidate_regno): Likewise.
5212 (cselib_invalidate_mem_1): Likewise.
5213 (references_value_p): Recognize useless values by the fact that they
5215 (discard_useless_values): Likewise.
5216 (cselib_record_set): This may turn a useless value
5219 2000-04-30 Richard Henderson <rth@cygnus.com>
5221 * config/d30v: New port.
5223 * configure.in (d30v-*): Set fp format.
5224 * configure: Rebuild.
5226 2000-04-30 Richard Henderson <rth@cygnus.com>
5228 * ifcvt.c: New file.
5229 * Makefile.in (OBJS): Add it.
5230 (ifcvt.o): New target.
5231 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
5232 and conditional arithmetic.
5233 (find_insert_position): Remove.
5234 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
5235 * toplev.c (DFI_ce, DFI_ce2): New.
5236 (dump_file): Add ce and ce2 dumps.
5237 (rest_of_compilation): Run if_convert a couple o times. Set
5238 cse_not_expected after cse2. Don't set no_new_pseudos until
5239 after sched1 or recompute_reg_usage.
5241 2000-04-30 Richard Henderson <rth@cygnus.com>
5243 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
5244 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
5246 2000-04-30 Richard Henderson <rth@cygnus.com>
5248 * flow.c (struct reg_cond_life_info): New.
5249 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
5250 (init_propagate_block_info): Initialize them.
5251 (free_propagate_block_info): Destruct them.
5252 (mark_set_1): Consider conditional life before killing a register.
5253 (mark_regno_cond_dead): New.
5254 (free_reg_cond_life_info): New.
5255 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
5256 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
5257 (mark_used_reg): Record conditional life.
5259 * haifa-sched.c (schedule_insns): Disable death counting
5260 sanity check for HAVE_conditional_execution.
5262 2000-04-30 Richard Henderson <rth@cygnus.com>
5264 * Makefile.in (TIMEVAR_H): New.
5265 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
5266 (timevar.h): Remove rule.
5268 2000-04-29 Richard Henderson <rth@cygnus.com>
5270 * config/alpha/crtend.asm: Use C comments instead of #.
5271 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
5273 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
5275 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
5277 * cpphash.h (enum node_type: Take out T_MCONST.
5278 (union hashval): Move into struct hashnode.
5279 (struct hashnode): Pack tighter. Remove file, line, col
5281 * cpphash.c: Constify most of the macro-definition structures.
5282 (struct definition): Replace by struct object_defn
5283 and struct funct_defn. Put file, line, column information
5284 here. All users updated to match.
5285 (_cpp_create_definition, _cpp_macroexpand): Remove special
5286 case for #define WORD OTHERWORD.
5287 * cpplib.c (do_undef): Remove T_MCONST case.
5289 * cpphash.h: Move struct reflist, struct definition, and the
5290 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
5291 union hashval. _cpp_free_definition takes a HASHNODE pointer.
5292 * cpphash.c (_cpp_free_definition): Free data pointed to by
5293 MCONST, XCONST, MACRO, and FMACRO nodes properly.
5294 (_cpp_create_definition, del_HASHNODE): Just call
5295 _cpp_free_definition to clear out a hashnode.
5296 * cpplib.c (do_pragma_poison): Likewise.
5298 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
5300 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
5301 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
5302 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
5303 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
5304 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
5305 REGNO_AM33_P): Redefine in terms of the new macros.
5306 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
5307 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
5308 STRUCT_VALUE): Likewise.
5309 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
5310 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
5312 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
5314 * regmove.c (struct record_stack_memrefs_data): New.
5315 (record_stack_memrefs): New function.
5316 (combine_stack_adjustments_for_block): Use it.
5318 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
5320 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
5321 use special_function_p to detect alloca.
5323 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
5325 * gcc.texi: Fixes for makeinfo 4.0 --html.
5327 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
5329 * pcp.h: Delete file.
5331 2000-04-28 Kazu Hirata <kazu@hxi.com>
5333 * h8300.c (function_epilogue): Clean up flags when the last insn
5334 in a function is a barrier.
5336 2000-04-28 Chris Demetriou <cgd@sibyte.com>
5338 * configure.in (sparc-hal-solaris2*): protect [] glob from
5340 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
5341 rather than hard-coded constants in target_cpu_default2.
5342 * configure: Regenerate.
5344 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
5346 * tree.c (get_callee_fndecl): Extract the initial value from
5349 2000-04-28 Richard Henderson <rth@cygnus.com>
5351 * varasm.c (record_constant_1): Record the CODE_LABEL when
5352 taking the address of a LABEL_REF.
5354 2000-04-28 Richard Henderson <rth@cygnus.com>
5355 Jan Hubicka <jh@suse.cz>
5357 * calls.c (combine_pending_stack_adjustment_and_call): Return the
5358 adjustment; don't do the stack adjust.
5359 (expand_call): Call compute_argument_block_size right before
5360 allocating the block; update comment; don't do alignment sanity
5361 checking for sibling call; use args_size instead of
5362 unadjusted_args_size before args_size is adjusted. Use
5363 combine_pending_stack_adjustment_and_call to compute stack adjust
5364 for must_preallocate case.
5366 * expr.c (push_block): Remove shadow `temp' in inner scope.
5368 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
5370 * toplev.c (rest_of_compilation): Call
5371 note_deferral_of_defined_inline_function even if the function
5374 2000-04-28 Scott Bambrough <scottb@netwinder.org>
5376 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
5378 2000-04-28 Richard Henderson <rth@cygnus.com>
5380 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
5382 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5384 * timevar.c (init_timevar): DeANSIfy function definition.
5386 2000-04-27 Alex Samuel <samuel@codesourcery.com>
5388 * Makefile.in (timevar.o): Depend on flags.h.
5389 * timevar.c (unused_stack_instances): New variable.
5390 (timevar_push): Take a timevar_stack_def from
5391 unused_stack_instances if available.
5392 (timevar_pop): Push the popped timevar_stack_def onto
5393 unused_stack_instances.
5394 (TIMEVAR_ENABLE): New macro.
5395 (timevar_def): Make standalone a 1-bit field. Add field used.
5396 (get_time): Rename parameter to now. Return after clearing it if
5398 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
5399 (timevar_pop): Likewise.
5400 (timevar_stop): Likewise.
5401 (timevar_push): Likewise. Mark the timing variable as used.
5402 (timevar_start): Likewise.
5403 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
5404 timevars that were never used.
5406 2000-04-27 Mark Mitchell <mark@codesourcery.com>
5408 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
5409 always TREE_READONLY.
5411 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
5413 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
5414 for call instruction with mode QImode.
5416 2000-04-27 Alex Samuel <samuel@codesourcery.com>
5418 * Makefile.in (OBJS): Add timevar.o.
5419 (toplev.o): Depend on timevar.h.
5420 (ggc-simple.o): Likewise.
5421 (ggc-page.o): Likewise.
5422 (timevar.o): New rule.
5423 (timevar.h): New rule.
5425 * timevar.h: New file.
5426 * timevar.c: Likewise.
5427 * timevar.def: Likewise.
5429 * toplev.h (gc_time, parse_time, varconst_time): Remove.
5430 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
5432 (TIMEVAR): Remove macro.
5433 (gc_time, parse_time, varconst_time, integration_time, jump_time,
5434 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
5435 flow_time, combine_time, regmove_time, sched_time,
5436 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
5437 sched2_time, dbr_sched_time, reorder_blocks_time,
5438 rename_registers_time, shorten_branch_time, stack_reg_time,
5439 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
5441 (compile_file): Don't initialize time variables. Call
5442 init_timevar and start TV_TOTAL timer. Call timevar_print instead
5443 of many calls to print_time.
5444 (rest_of_compilation): Add timing for reload_cse_regs.
5445 (get_run_time): Removed to timevar.c.
5446 (print_time): Likewise.
5447 (get_run_time): Implement using TV_TOTAL time variable.
5448 (print_time): Get total run time from get_run_time.
5449 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
5450 computing elapsed time explicitly.
5451 * ggc-simple.c (ggc_collect): Likewise.
5452 (gc_time): Remove declaration.
5454 2000-04-27 Mark Mitchell <mark@codesourcery.com>
5456 * calls.c (combine_pending_stack_adjustment_and_call): New function.
5457 (expand_call): Use it.
5459 2000-04-27 Jan Hubicka <jh@suse.cz>
5461 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
5464 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
5466 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
5469 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
5471 * function.c (epilogue_done): Pass whole insn to record_insns.
5473 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
5475 * cse.c (CSE_ADDRESS_COST): Remove.
5476 (find_best_addr): Add new parameter "MODE", use address_cost instead
5478 (address_cost): New.
5479 (fold_rtx): Update call of find_best_addr.
5480 * rtl.h (address_cost): Declare.
5481 * loop.c (general_induction_var): Add new parameter "MODE", use
5482 address_cost instead of ADDRESS_COST
5483 (init_loop): Use address_cost instead of ADDRESS_COST.
5484 (check_insn_for_givs): Update call of general_induction_var.
5485 (find_mem_givs): Likewise.
5486 (consec_sets_giv): Likewise.
5487 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
5488 * i386.c (ix86_address_cost): New.
5489 * i386-protos.h (ix86_address_cost): Declare.
5491 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
5493 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
5496 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
5498 * expr.c (store_expr): Use clear_storage instead of direct memset
5501 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
5503 * config/mn10300/mn10300.c (mn10300_address_cost): Test
5504 ASHIFT, AND and LABEL_REF.
5506 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
5508 * invoke.texi (-foptimize-sibling-calls): Fix.
5510 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
5512 * loop.c (load_mems) Don't use hard registers for the hoisting.
5514 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
5515 calculation; rename const_equiv array in the preconditioning code
5516 from loop_unroll to loop_unroll_precondition
5518 2000-04-27 Richard Henderson <rth@cygnus.com>
5520 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
5522 (propagate_one_insn): Clear it. Don't update reg_live here.
5523 (init_propagate_block_info): Update for pbi member changes.
5524 (free_propagate_block_info): Likewise.
5525 (mark_set_1): Know that zero_extract, sign_extract, and
5526 strict_low_part don't kill their argument. Alter hard subregs.
5527 Update new_set for non-CLOBBER sets. Update reg_live.
5528 (find_auto_inc): Update reg_live, not new_dead.
5529 (mark_used_reg): Update reg_live, not new_live. Examine new_set
5530 to determine if the reg in question was set this insn. Only update
5531 reg info with PROP_REG_INFO.
5533 2000-04-26 Richard Henderson <rth@cygnus.com>
5535 * flow.c (allocate_reg_life_data): Set max_regno here ...
5536 (life_analysis): ... not here.
5538 * flow.c (calculate_global_regs_live): Force stack pointer
5541 2000-04-26 Richard Henderson <rth@cygnus.com>
5543 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
5544 commit change group changes.
5545 (invert_exp_1): Similarly.
5546 (redirect_exp, invert_exp): Use them.
5547 (redirect_jump_1): New.
5548 (invert_jump_1): New.
5549 (jump_optimize_1): Remove code subsumed by condexec.c.
5550 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
5552 2000-04-26 Richard Henderson <rth@cygnus.com>
5554 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
5556 * genconfig.c (main): Set all HAVE_foo to 1.
5558 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
5560 2000-04-26 Alex Samuel <samuel@codesourcery.com>
5562 * invoke.texi: Document -fssa flag.
5564 2000-04-26 Richard Henderson <rth@cygnus.com>
5566 * flow.c (count_reg_sets_1): Remove.
5567 (count_reg_sets, count_reg_references): Remove.
5568 (recompute_reg_usage): Implement with update_life_info.
5569 Reallocate life data.
5571 2000-04-26 Richard Henderson <rth@cygnus.com>
5573 * flow.c (update_life_info): Consider blocks null to mean the
5575 (calculate_global_regs_live): Likewise.
5576 (life_analysis): Do that instead of collecting all_blocks.
5578 2000-04-26 Richard Henderson <rth@cygnus.com>
5580 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
5581 a still-valid conditional jump.
5583 2000-04-26 Richard Henderson <rth@cygnus.com>
5585 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
5587 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
5588 * flow.c (calculate_loop_depth): Remove.
5589 * output.h (calculate_loop_depth): Don't declare.
5590 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
5591 inline; run estimate_probability at the same time.
5593 2000-04-26 Neil Booth <NeilB@earthling.net>
5595 * cpplib.h: "~=" is not a single pp-token.
5596 * cpplex.c: Correct commentary.
5598 2000-04-26 Richard Henderson <rth@cygnus.com>
5600 * flow.c (mark_set_1): New arguments code and flags; update all
5601 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
5602 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
5603 loop_depth when optimizing for size. Do new_dead update after
5604 emitting REG_UNUSED notes. Merge mark_set_reg code.
5605 (mark_set_reg): Remove.
5606 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
5607 arrange to not emit REG_UNUSED notes.
5609 2000-04-26 Richard Henderson <rth@cygnus.com>
5611 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
5612 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
5614 2000-04-26 Richard Henderson <rth@cygnus.com>
5616 * flow.c (propagate_one_insn): Break out from propagate_block.
5617 (init_propagate_block_info): Likewise.
5618 (free_propagate_block_info): Likewise.
5619 (propagate_block): Use them. Export.
5620 * basic-block.h: Declare them all.
5622 2000-04-26 Richard Henderson <rth@cygnus.com>
5624 * basic-block.h (life_analysis): Declare here ...
5625 * output.h: ... not here.
5626 * flow.c (life_analysis): Remove nregs parameter; replace
5627 remove_dead_code with flags. Remove ssa dead code check.
5628 Only init alias analysis if we'll use it.
5629 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
5630 * ssa.c (convert_to_ssa): Likewise.
5631 (convert_from_ssa): Likewise.
5632 * toplev.c (rest_of_compilation): Likewise.
5634 2000-04-26 Richard Henderson <rth@cygnus.com>
5636 * flow.c (flow_delete_block): Rename from delete_block. Export.
5637 * basic-block.h (flow_delete_block): Declare.
5639 2000-04-26 David S. Miller <davem@redhat.com>
5641 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
5642 taking a PATTERN of it.
5644 2000-04-26 <NeilB@earthling.net>
5646 * cpplex.c (spell_other, spell_char): Remove.
5648 (token_spelling, trigraph_map): Use unsigned chars.
5649 (_cpp_lex_line): Tidy up the switch statement.
5650 * cpplib.h: Implement spell_char with spell_string.
5653 2000-04-26 <RodneyBrown@pmsc.com>
5655 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
5656 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
5658 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5660 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
5661 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
5662 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
5663 dwarf2out_return_save, dwarf2out_return_reg,
5664 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
5665 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
5666 gen_compile_unit_die, dwarf2out_init): Constify a char*.
5668 * dwarf2out.h (dwarf2out_init): Likewise.
5670 * dwarfout.c (filename_entry, primary_filename, last_filename,
5671 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
5673 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
5674 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
5675 dwarf2out_return_reg): Likewise.
5677 2000-04-26 Andreas Jaeger <aj@suse.de>
5679 * extend.texi (Function Attributes): Fix description of pure
5682 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
5684 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
5685 before calling rest_of_compilation.
5687 2000-04-26 Andreas Jaeger <aj@suse.de>
5689 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
5692 2000-04-25 Richard Henderson <rth@cygnus.com>
5694 * cse.c (cse_insn): Emit barrier after unconditional jump.
5696 * calls.c (expand_call): Disable tail call generation once
5697 rtx_equal_function_value_matters is false.
5699 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
5702 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
5704 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
5706 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
5708 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
5709 is the primary DIE for a member function.
5710 (gen_decl_die): Call set_decl_origin_self here.
5711 * dwarfout.c (output_decl): And here.
5712 * integrate.c (output_inline_function): Not here.
5713 Don't clear DECL_INLINE until after calling rest_of_compilation.
5714 (set_decl_origin_self): No longer static.
5715 * tree.h: Add prototype.
5716 * toplev.c (note_deferral_of_defined_inline_function): Only write
5717 out abstract instance for actual inlines.
5719 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
5721 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
5722 EXTENDED_REGS only if TARGET_AM33.
5723 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
5724 SP_REGS to register allocation and reloading unless absolutely
5726 (movsi3): Remove special-case of adding non-constants to SP.
5728 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5730 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
5731 INCLUDES to search and does not provide any of its own. Also it
5732 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
5733 parameters. Also it does not call AC_DEFINE.
5734 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
5735 AC_DEFINE and provides for automatic entries for autoheader.
5736 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
5738 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
5739 so we can pass -I flags and include gansidecl.h/system.h in this
5742 * acconfig.h: Delete all NEED_DECLARATION_* entries.
5744 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5746 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
5747 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
5748 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
5750 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
5751 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
5752 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
5753 for these macros. Clean up spacing and linewraps.
5755 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
5757 * calls.c (expand_call): Use get_callee_fndecl.
5759 * print-tree.c (print_node): Print the chain of an _EXPR.
5761 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
5762 Jim Wilson <wilson@cygnus.com>
5763 Andrew Haley <aph@cygnus.com>
5765 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
5766 and gp save/restore problems.
5767 * config/ia64/crtend.asm: Add IA-64 unwind support.
5768 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
5769 in fr_pad_size calculation.
5770 (save_restore_insns): Move PR save area. Correct uses of
5771 RTX_FRAME_RELATED_P.
5772 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
5773 (ia64_expand_epilogue): Add eh_epilogue support.
5774 (ia64_function_prologue): Emit .prologue directive.
5775 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
5776 (ia64_override_options): Set init_machine_status and
5777 mark_machine_status.
5778 (rtx_needs_barrier): Handle bsp reads and writes.
5779 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
5780 New static variables.
5781 (process_set, process_for_unwind_directive): New functions.
5782 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
5783 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
5784 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
5786 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
5787 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
5788 (struct machine_function): Define.
5789 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
5791 2000-04-25 Bruce Korb <bkorb@gnu.org>
5793 * fixinc/Makefile.in: make the removal of old programs more
5795 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
5796 install-bin and install-sh
5798 2000-04-25 Nick Clifton <nickc@cygnus.com>
5800 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
5801 defined, define to return zero.
5802 (function_cannot_inline_p): If a function has any target
5803 specific attributes, then use the macro
5804 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
5805 whether it can be inlined. If it cannot, issue a suitable
5808 * tm.texi: Add a new node 'Inlining' to document the new macro
5809 FUNCTION_ATTRIBUTE_INLINABLE_P.
5811 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
5813 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
5816 2000-04-25 Neil Booth <NeilB@earthling.net>
5818 Restore previous patch, plus the following fixes:
5820 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
5821 flags, not CPP_OPEN_PAREN.
5822 * cpplex.c (expand_token_space, init_token_list,
5823 cpp_free_token_list): Put the dummy token at list->tokens[-1].
5824 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
5826 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5828 * config/i386/freebsd.h (INT_ASM_OP): Define.
5830 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
5832 * loop.c (strength_reduce): Fix typo in the last checkin.
5834 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5836 * stor-layout.c (finalize_record_size): Simplify to use existing
5838 (compute_record_mode): No longer static.
5839 * tree.h (compute_record_mode): New declaration.
5841 2000-04-25 Neil Booth <NeilB@earthling.net>
5843 * Revert my patch below until cause of build failures
5846 2000-04-25 Richard Henderson <rth@cygnus.com>
5848 * combine.c (combine_instructions): Add missing argument
5851 * toplev.c (rest_of_compilation): Delay sibcall optimization
5852 until after emit_eh_context.
5854 2000-04-24 Nick Clifton <nickc@redhat.com>
5856 * combine.c (combine_instructions): Do not try to combine a
5857 sequence of insns when the second insn has been replaced by a
5860 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
5862 * gcc.c (load_specs): New static function.
5863 (read_specs): Use it.
5865 * gcc.c (lookup_compiler): Make multiple passes for case
5866 insensitive filesystems.
5868 2000-04-24 Neil Booth <NeilB@earthling.net>
5870 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
5871 * cpphash.h (_cpp_check_directive): new.
5872 * cpplex.c (handle_newline, cpp_free_token_list,
5873 init_trigraph_map, trigraph_ok, trigraph_replace,
5874 backslash_start, skip_block_comment, skip_line_comment,
5875 skip_whitespace, parse_name, parse_number, parse_string,
5876 copy_comment, _cpp_lex_line, spell_char, spell_string,
5877 spell_comment, spell_name, spell_other, _cpp_lex_file,
5878 _cpp_output_list): new.
5879 (expand_name_space): take length argument.
5880 (init_token_list): add comment list initialisation.
5881 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
5882 instead of HSPACE_BEFORE.
5884 * cpplib.c (_cpp_check_directive): new
5885 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
5886 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
5887 (HSPACE_BEFORE): delete.
5888 (TTYPE_TABLE): rearrange.
5889 (struct cpp_toklist): update.
5891 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5893 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
5894 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
5895 argument form of AC_DEFINE.
5897 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
5898 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
5899 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
5900 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
5901 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
5903 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
5905 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5907 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
5908 deduced.h): Use -isystem, not -I, for including system headers.
5910 2000-04-24 Nick Clifton <nickc@cygnus.com>
5912 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
5913 the source register is the frame pointer or arg pointer.
5914 (addsi3_small_int): Disallow if source register is the frame
5915 pointer or arg pointer.
5917 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5919 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
5920 call to AC_MSG_RESULT.
5922 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5924 * invoke.texi: Correct grammatical errors, document
5925 -fno-gnu-keywords as identical to -fno-asm for C++.
5927 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5929 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
5930 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
5931 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
5932 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
5933 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
5935 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
5936 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
5937 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
5938 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
5941 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
5943 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
5944 (pop_alignment): Likewise.
5945 (handle_pragma_token): Likewise.
5947 2000-04-24 Robert Lipe <robertlipe@usa.net>
5949 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
5951 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
5953 * combine.c (try_combine): Update reg_nonzero_bits of
5954 newi2pat before newpat.
5956 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
5958 * loop.c (strength_reduce): Simplify test to INSN_P.
5959 (record_giv): Attempt to simplify the add value, use CONSTANT_P
5960 expressions instead of CONST_INT.
5961 (express_from_1): Likewise.
5963 2000-04-24 Mark Mitchell <mark@codesourcery.com>
5965 * regs.h (reg_n_max): Don't declare.
5966 * flow.c (reg_n_max): Don't define.
5967 * regclass.c (renumber): Don't initialize to zero.
5968 (regno_allocated): Likewise.
5969 (reg_n_max): Define.
5970 (allocate_reg_info): Don't initialize unnecessarily.
5972 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
5974 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
5975 and blockage_p in the newly allocated attribute.
5977 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
5979 * config/mn10300/mn10300.md (addsi): `inc4' on address
5980 registers does not modify cc, but `inc' on an extended
5983 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
5985 * reload.c (find_equiv_reg): Checks all valueno regs
5986 as a reload_reg_p regs.
5988 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
5990 * cpphash.c (collect_objlike_expansion): Add sanity check.
5991 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
5992 the buffer is the empty string, return. Mark __DATE__ and
5993 __TIME__ as XCONST nodes, not MCONST.
5994 (_cpp_macroexpand): Avoid pushing an empty buffer.
5995 (funlike_macroexpand): Don't pop token_buffer here.
5997 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
5999 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
6000 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
6001 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
6002 (REGNO_OK_FOR_BASE_P): Define in terms of them.
6003 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
6004 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
6005 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
6007 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
6009 * loop.c (simplify_giv_expr): Be more agressive on simplifying
6012 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
6014 * cpphash.h (struct definition): Move file, line, col members...
6015 (struct hashnode): ... here. Also add 'disabled' flag.
6016 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
6017 T_IDENTITY. Remove T_DISABLED.
6020 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
6021 (collect_expansion): Split into collect_objlike_expansion and
6022 collect_funlike_expansion.
6023 (_cpp_macroexpand): Split out scan_arguments, stringify, and
6024 funlike_macroexpand.
6025 (_cpp_compare_defs): Rename compare_defs, make static.
6026 (_cpp_make_hashnode): Initialize hp->disabled.
6027 (macro_cleanup): Adjust for new token types. Clear
6029 (_cpp_create_definition): Move code here to determine what
6030 sort of macro it is, and code to check for redefinitions, from
6031 do_define. Implement a few simple cases without creating a
6033 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
6034 Handle the simple cases.
6035 (push_macro_expansion): Set buf->has_escapes and hp->disabled
6038 * cppinit.c (builtin_array): Change MCONST to XCONST
6040 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
6041 fix check for disabled and function-like macros.
6042 * cpplib.c (do_define): Move most logic to
6043 _cpp_create_definition.
6044 (do_undef): Handle new special token types.
6046 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
6048 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
6049 of CONSTANT_P for mult_val; always use validate_change to update insn.
6051 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
6053 * cpphash.c (trad_stringify, add_pat): New functions.
6054 (collect_expansion): Restore support for -traditional syntax.
6055 Use trad_stringify and add_pat.
6056 (_cpp_macroexpand): Restore support for -traditional semantics.
6057 * cpplex.c (_cpp_scan_line): Don't change space_before if we
6058 get a COMMENT token.
6059 (_cpp_lex_token): Provide COMMENT tokens to caller if
6060 traditional and parsing_define_directive.
6061 (skip_comment): Warn about // comments if -Wtraditional.
6062 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
6064 (do_undef): Don't warn about undefining EMPTY nodes.
6066 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
6068 * loop.c (strength_reduce): Fix biv removal code.
6070 2000-04-22 Richard Henderson <rth@cygnus.com>
6072 * predict.c (estimate_probability): Examine both sides of
6073 a branch for no exits. Use 90% not 50% for predict taken.
6074 Reorg for one copy of note generation code.
6076 2000-04-22 Richard Henderson <rth@cygnus.com>
6078 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
6080 2000-04-22 Richard Henderson <rth@cygnus.com>
6082 * diagnostic.c (init_output_buffer): Don't initialize format_args.
6083 (output_clear): Likewise.
6084 (output_printf): Use va_copy.
6085 (vline_wrapper_message_with_location): Likewise.
6086 (v_message_with_decl): Likewise.
6087 (line_wrapper_printf): VA_START infor buffer.format_args directly.
6088 * system.h (va_copy): Provide default implementation.
6090 2000-04-22 Richard Henderson <rth@cygnus.com>
6092 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
6093 the collected condition is not a constant.
6095 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
6097 * diagnostic.h: New file.
6099 * Makefile.in (diagnostic.o): Depends on diagnostic.h
6101 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
6102 various function prototypes.
6103 (diagnostic.h): #include.
6104 (struct output_buffer): Move into diagnostic.h.
6105 (get_output_prefix): Rename to output_get_prefix. Export.
6106 (init_output_buffer): Export. Break out. Ajust intialization.
6107 (output_space_left, output_append): Export.
6108 (output_newline): Rename to output_add_newline. Export.
6109 (output_clear): Nullify additional output_buffer fields.
6110 (output_puts): Rename to output_add_string. Export.
6111 (dump_output): Rename to output_flush_on. Export.
6112 (build_location_prefix): Constify return-type.
6113 (emit_output_prefix): Rename to output_emit_prefix. Export.
6114 (set_real_maximum_length): New function.
6115 (output_set_maximum_length): Ditto
6116 (output_clear): Ditto.
6117 (output_add_character): Ditto.
6118 (output_add_integer): Ditto.
6119 (output_add_space): Ditto.
6120 (output_format): Ditto.
6121 (output_printf): Adjust buffer initialization.
6122 (vline_wrapper_message_with_location): Ditto.
6123 (v_message_with_decl): Ditto. Adjust call to output_puts
6124 and get_output_prefix.
6125 (default_print_error_function): Adjust buffer intialization.
6127 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6129 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
6132 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
6134 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
6137 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
6139 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
6140 accurate data about SP moves.
6142 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
6144 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
6145 aliases to AM33 registers.
6147 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
6149 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
6150 to all EXTENDED bitmaps.
6152 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
6154 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
6155 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
6156 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
6158 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
6160 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
6161 the operand is not constant.
6163 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
6165 * reload.c (find_equiv_reg): Checks all valueno and regno regs
6166 as a call-clobbered regs.
6168 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6170 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
6172 * rtl.def: Update comment.
6173 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
6174 * integrate.c (expand_inline_function): Likewise.
6175 * profile.c (branch_prob): Likewise.
6176 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
6177 * print-rtl.c (print_rtx): Likewise.
6178 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
6179 (reemit_notes): Likewise; also use enum insn_note.
6181 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
6182 (place_field): Properly compute know and actual alignment.
6184 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
6187 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
6190 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
6192 * cpphash.c (struct arg, struct arglist): Const-ify strings.
6193 (warn_trad_stringify, duplicate_arg_p): New helper functions.
6194 (collect_expansion): Rewrite to scan over a token list.
6195 Remove -traditional support.
6196 (collect_formal_parameters): Rename to collect_params; rewrite
6197 to scan over a token list.
6198 (_cpp_create_definition): Adjust to scan a token list.
6199 (_cpp_macroexpand): Remove -traditional support.
6200 (_cpp_compare_defs): Whitespace is now canonicalized.
6201 (comp_def_part): Delete function.
6203 * cpphash.h: Update prototypes.
6204 * cpplex.c (init_token_list): Don't set lineno if there is no
6206 (pedantic_whitespace): New function.
6207 (_cpp_scan_line): Mark tokens that had hspace before. Don't
6208 consume a newline. Use pedantic_whitespace.
6209 (_cpp_lex_token): Remove support for -traditional macros.
6210 (_cpp_get_define_token): Delete.
6211 (_cpp_get_directive_token): Do the real work here. Use
6212 pedantic_whitespace.
6213 (_cpp_init_input_buffer): Initialize pfile->directbuf.
6215 * cpplib.c (get_macro_name): Delete.
6216 (do_define): Read the entire line into pfile->directbuf, then
6217 feed the token list to _cpp_create_definition.
6218 * cpplib.h (HSPACE_BEFORE): new define.
6219 (struct cpp_reader): Add a toklist member, "directbuf".
6221 * predict.c (estimate_probability): New heuristic: if a jump
6222 branches around a block with no successors, predict it taken.
6223 Disentangle control flow.
6225 2000-04-20 Richard Henderson <rth@cygnus.com>
6227 * loop.c (emit_iv_add_mult): Revert last change.
6229 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
6231 * cpplib.h (enum cpp_ttype): Add token types for all
6232 punctuators. Distinguish pp-numbers from valid C numbers.
6233 Give some tokens better names. Initialize from macro.
6234 (struct cpp_name, cpp_token, cpp_toklist): New data
6237 * cpplex.c (bump_column, expand_name_space,
6238 expand_token_space, init_token_list, cpp_output_list,
6239 _cpp_scan_line): New functions.
6240 (output_line_command): Add third argument, new line number.
6241 * cpphash.h: Update prototypes.
6242 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
6245 2000-04-20 Richard Henderson <rth@cygnus.com>
6247 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
6249 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
6251 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
6254 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
6256 * loop.c (emit_iv_add_mult): Simplify it's input and emit
6257 REG_EQUAL note explaining the calculated value.
6259 * calls.c (expand_call): Avoid unnecesary precalculation
6260 and outgoing parameters space guarding for sibling calls.
6261 (store_one_arg): Likewise.
6263 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6265 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
6266 (rest_of_compilation): Write sibling dump file and account
6267 for time as jump time.
6268 * invoke.texi: Update documentation on dump flags.
6270 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
6272 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
6274 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
6276 * cpphash.c (special_symbol): Represent an empty macro with
6277 "\r \r " not just "\r ".
6278 (_cpp_macroexpand): Correct condition for the foo ( ) special
6280 (unsafe_chars): Handle EOF as second argument.
6281 (push_macro_expansion): Simplify test for removing escape at
6282 end. Do not trim both escapes if there is no text in between.
6284 2000-04-19 Jim Blandy <jimb@redhat.com>
6286 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
6287 of PTR_SIZE, when appropriate.
6289 2000-04-19 Mark Mitchell <mark@codesourcery.com>
6291 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
6292 (USE_ENUM_BITFIELDS): Fix typo.
6294 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6296 * stor-layout.c (place_field): Set rli->offset_align properly.
6298 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6300 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
6301 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
6302 PARM_BOUNDARY): Remove unnecessary casts.
6304 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
6306 * calls.c (precompute_arguments): Remove must_preallocate and
6308 (expand_call): Update call of precompute_arguments.
6310 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
6311 check_insn_for_givs): Break out from ...
6312 (strength_reduce) ... here; use for_every_insn_in_loop to call
6313 check_insn_for_givs.
6314 * loop.h (for_every_insn_in_loop): Declare.
6315 (loop_insn_callback): New type.
6317 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
6319 * cpplib.c (do_pragma_poison): Strings in the token buffer are
6322 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
6324 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
6327 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
6329 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
6331 * configure.in: Delete --disable-cpplib option and all
6332 references to cpp_main.
6333 * configure: Regenerate.
6334 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
6335 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
6336 cccp.o, cccp, or cppmain. Link cppmain.o straight to
6337 cpp$(exeext). Add --no-headers to makeinfo command line when
6338 generating INSTALL. Install and uninstall cpp.1 manpage, not
6340 * install.texi: Delete all references to cexp.y/cexp.c.
6341 Delete ancient instructions for compiling GCC on 3b1.
6342 * INSTALL: Regenerate.
6344 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
6345 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
6346 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
6348 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
6349 which is no longer tested anywhere.
6351 * cppinit.c (handle_option): Don't run error message through
6354 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6356 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
6357 * cpperror.c (hashtab.h): Now include.
6358 * cppexp.c (hashtab.h): Likewise.
6359 * cpplex.c (hashtab.h): Likewise.
6360 * cppfiles.c (hashtab.h): Likewise.
6361 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
6362 to htab_find_slot_with_hash.
6363 * cpphash.c (hashtab.h): Now include.
6364 (_cpp_lookup_slot): INSERT is now enum insert_option.
6365 * cpphash.h (_cpp_lookup_slot): Likewise.
6366 * cppinit.c (hashtab.h): Include earlier.
6367 (initialize_builtins): Pass enum to htab_find_slot.
6368 * cpplib.c (hashtab.h): Now include.
6369 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
6370 (do_pragma_poison, do_assert): Likewise.
6371 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
6372 htab_find_slot_with_hash.
6373 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
6374 * tree.c (type_hash_add): Likewise.
6375 (build1): Minor cleanup.
6377 * ggc-common.c: Add missing blanks.
6378 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
6379 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
6381 * stmt.c (mark_case_node): New function.
6382 (mark_case_nesting): Call it.
6384 * expmed.c (emit_store_flag): If comparing two-word integer
6385 with zero, can optimize NE, EQ, GE, and LT.
6387 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
6388 * conflict.c: Minor cleanups.
6389 * optabs.c: Add blank line
6390 * simplify-rtx.c: Minor cleanups.
6392 2000-04-18 Stan Cox <scox@cygnus.com>
6394 * gengenrtl.c (genlegend): Fix misspelling.
6396 2000-04-18 Robert Lipe <robertlipe@usa.net>
6398 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
6399 bitfields of the host compiler are not signed quantities.
6400 * config.in: Regenerate.
6401 * configure: Regenerate.
6402 * system.h (USE_ENUM_BITFIELDS): Added.
6403 (ENUM_BITFIELDS): Added.
6404 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
6405 (SHORT_ENUM_BUG): Deleted.
6406 * tree.h (tree_common): Members `code', `mode', `built_in_class',
6408 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
6409 (CODE_FIELD_BUG): Likewise.
6410 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
6412 * config/m68k/x-ccur (X_CFLAGS): Likewise.
6414 2000-04-18 Mark Mitchell <mark@codesourcery.com>
6416 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
6419 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
6421 * cppexp.c (lex): Don't assume tokens are NUL terminated.
6422 * cpplib.c (do_include, do_import, do_include_next,
6423 read_line_number, detect_if_not_defined): Likewise.
6424 * cpphash.c (collect_expansion): Likewise.
6425 (special_symbol, _cpp_macroexpand): Check return from
6427 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
6428 macros. Delete all uses.
6430 * gcc.dg/cpp-mi.c: Add two more test cases.
6431 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
6433 2000-04-17 Richard Henderson <rth@cygnus.com>
6435 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
6436 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
6438 2000-04-17 Mark Mitchell <mark@codesourcery.com>
6440 * function.c (expand_function_start): Use hard_function_value to
6441 compute the RTL to use for DECL_RESULT.
6443 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
6445 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
6446 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
6447 x86_memory_mismatch_stall): New global variables.
6448 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
6449 alloved; fix load penalties for Athlon.
6450 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
6451 x86_memory_mismatch_stall): Declare.
6452 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
6453 TARGET_MEMORY_MISMATCH_STALL): New.
6454 * i386.md (athlon scheduling parameters): Fix latencies according to
6455 Athlon Optimization Manual.
6456 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
6458 (fsqrt instruction patterns): Set athlon_decode to direct.
6459 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
6460 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
6461 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
6462 and TARGET_PARTIAL_REGISTER_STALL machines.
6463 (pushdf_nointeger): New pattern.
6464 (pushdf_integer): Rename from pushdf.
6465 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
6466 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
6468 2000-04-17 Richard Henderson <rth@cygnus.com>
6470 * loop.c (canonicalize_condition): Add WANT_REG argument.
6471 Stop the search if we match it.
6472 * expr.h (canonicalize_condition): Update decl.
6473 * predict.c (expected_value_to_br_prob): Use it. Track last
6474 expected value note.
6475 (find_expected_value): Remove.
6477 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
6479 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
6481 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
6482 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
6484 * configure.in: Call AC_FUNC_MMAP_FILE.
6485 * configure: Regenerate.
6486 * config.in: Regenerate.
6488 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
6489 * fixinc/fixincl.c: Likewise.
6491 2000-04-17 Richard Henderson <rth@cygnus.com>
6493 * builtins.c (expand_builtin_expect): New.
6494 (expand_builtin): Call it.
6495 * builtins.def (BUILT_IN_EXPECT): New.
6496 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
6497 * extend.texi: Document it.
6499 * predict.c (expected_value_to_br_prob): New.
6500 (find_expected_value): New.
6501 * basic-block.h (expected_value_to_br_prob): Declare.
6502 * toplev.c (rest_of_compilation): Invoke it.
6504 * rtl.h (NOTE_EXPECTED_VALUE): New.
6505 (NOTE_INSN_EXPECTED_VALUE): New.
6506 * rtl.c (note_insn_name): Update.
6507 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
6508 cases; handle NOTE_INSN_EXPECTED_VALUE.
6510 2000-04-17 Jakub Jelinek <jakub@redhat.com>
6512 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
6513 leaf sibcall delay slot if flag_pic.
6514 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
6516 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6518 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
6520 * fixproto: If fix-header fails, exit with an error.
6522 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
6524 * cse.c (struct check_depdendence_data): New.
6525 (check_dependence): New function.
6526 (invalidate): Use check_depdenence.
6528 2000-04-16 Mark Mitchell <mark@codesourcery.com>
6530 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
6531 UNITS_PER_WORD is unsigned.
6533 * tree.h (struct tree_common): Remove misleading comment.
6535 2000-04-16 Dave Pitts <dpitts@cozx.com>
6537 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
6538 message in quotes. Otherwise, IBM's make program treats the '#' as the
6539 start of a comment and ignores the remainder of the line.
6541 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
6543 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
6544 * cexp.y (initialize_random_junk): Likewise.
6545 * cppfiles.c (find_include_file): Cast alloca return value.
6546 * cppinit.c (initialize_standard_includes): Likewise.
6547 * cpplib.c (cpp_define, cpp_undef): Likewise.
6548 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
6549 * final.c (output_asm_insn): Allow for holes in EBCDIC.
6550 * fold-const.c (CHARMASK): New.
6551 (real_hex_to_f): Use it.
6552 * real.c (CHARMASK): New.
6553 (etoasc, asctoeg): Use it.
6554 (asctoeg): EBCDIC lower case characters preceed upper case.
6556 * i370.c (mvs_add_label): Change spacing for coding conventions.
6557 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
6558 outputing case vectors.
6559 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
6560 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
6561 since vector in in the data CSECT.
6562 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
6563 * i370.md (Many patterns): Put the length in the XL directives.
6564 (movdi): Put back STM and MVC in definition.
6565 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
6566 pattern using the TCA.
6567 * oe.h (CPP_SPEC): Added to allow trigraphs.
6568 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
6569 not support the "long long" type.
6571 2000-04-16 Mark Mitchell <mark@codesourcery.com>
6573 * config/mips/mips-protos.h (mips_legitimate_address_p): New
6575 (mips_reg_mode_ok_for_base_p): Likewise.
6576 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
6577 (REG_OK_FOR_INDEX_P): Define unconditionally.
6578 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
6579 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
6580 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
6581 that GET_MODE_SIZE is unsigned.
6582 (mips_reg_mode_ok_for_base_p): Define.
6583 (mips_legitimate_address_p): Likewise. Adjust now
6584 that GET_MODE_SIZE is unsigned.
6585 (block_move_loop): Make the number of bytes unsigned.
6586 (expand_block_move): Likewise.
6587 (function_arg): Make the loop counter unsigned to match the
6590 2000-04-16 Richard Henderson <rth@cygnus.com>
6592 * rtl.h (enum insn_note): New enumeration. Subsume
6593 NOTE_INSN_DELETED and friends.
6594 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
6595 * rtl.c (note_insn_name): Tweak string order.
6597 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
6599 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
6602 * cpplex.c (output_line_command): Remove debugging prints.
6603 (cpp_output_tokens): Don't write out a zero-length buffer or
6604 try to see if it has a newline in it.
6605 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
6606 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
6607 the end of the loop. Use memmove. Don't read past the end of
6608 the buffer. Remove trailing newlines from error messages.
6610 2004-04-16 Neil Booth <NeilB@earthling.net>
6612 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
6613 * cpplib.c: Add new syntax flags to directive table, and
6616 2000-04-15 Ulrich Drepper <drepper@redhat.com>
6618 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
6621 2000-04-15 David Edelsohn <edelsohn@gnu.org>
6623 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
6624 * haifa-sched.c: Update -fsched-verbose comments to use "=".
6626 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6628 * Makefile.in (ggc-page.o): Now includes toplev.h.
6629 * ggc-page.c (toplev.h): Now included.
6630 (gc_time): Remove declaration.
6631 (ggc_collect): TIME now long.
6632 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
6634 * toplev.h (gc_time, parse_time, gc_time): New declarations.
6636 * toplev.c: Make *_time variable long to reduce chance of overflow.
6637 (TIMEVAR): Likewise for `otime'.
6638 (print_time): Arg is now long; compute percentage in FP and round.
6639 * toplev.h (print_time): Arg is long.
6641 * tree.c: Minor whitespace changes.
6643 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
6644 * configure: Rebuilt.
6645 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
6646 (__fixunsxfDI): Renamed from __fixunsxfdi.
6647 (__fixunsdfDI): Renamed from __fixunsdfdi.
6648 (__fixunssfDI): Renamed from __fixunssfdi.
6649 (__floatdisf): Use proper type in REP_BIT macro.
6650 (__fixunsxfSI): Renamed from __fixunsxfsi.
6651 (__fixunsdfSI): Renamed from __fixunsdfsi.
6652 (__fixunssfSI): Renamed from __fixunssfsi.
6653 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
6654 Change location of macros and upper-case some names as above.
6655 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
6656 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
6658 * varasm.c (assemble_variable): Add cast to remove warning.
6659 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
6661 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
6662 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
6663 region number to -1.
6665 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
6667 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
6668 call unshare_all_rtl.
6670 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
6672 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
6674 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
6675 Use .s1 not .s0 for all FP instructions.
6677 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
6679 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
6681 (safe_fwrite, output_line_command): New static functions.
6682 (cpp_expand_to_buffer): Now private to cpplib.
6683 (cpp_scan_buffer): Take a printer.
6685 * cpphash.h: Update prototypes.
6686 * cpplib.h: Update prototypes.
6688 (cpp_buffer): Remove last_nominal_fname.
6689 (cpp_reader): Remove lineno.
6691 * cppmain.c: Use a cpp_printer.
6692 * fix-header.c: No need to inhibit line commands. Call
6693 cpp_start_read with no printer.
6695 * cpperror.c (cpp_notice_from_errno): Provide default name.
6696 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
6697 (find_include_file, cpp_read_file): Use make_IHASH.
6698 (file_cleanup): Set control_macro and clear
6699 input_stack_listing_current here.
6700 (_cpp_execute_include): Don't output entering-file marker.
6701 * cpphash.c (special_symbol): Look for the line number in the
6702 buffer, not the reader.
6703 (_cpp_macroexpand): No need to disable line commands.
6704 (_cpp_dump_definition): No need to generate line commands.
6705 (dump_hash_helper): Remove excess newline from output.
6706 * cppinit.c (dump_special_to_buffer): No need to generate line
6708 (cpp_printer_init): New.
6709 (cpp_start_read): Take a printer, and start it up if it's not
6710 NULL. No need to generate line commands.
6711 (cpp_finish): Expect no buffers stacked at all. Take a
6712 printer argument, and flush the output buffer if it's not
6714 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
6715 Don't put two hashes at the beginning of an assertion.
6716 (cpp_get_token): Don't increment pfile->lineno or emit line
6717 commands here. Return EOF if there's no buffer when we get
6719 * cpplib.c (do_define, skip_if_group):
6720 No need to disable line commands.
6721 (_cpp_output_line_command): Delete function.
6722 (do_line): Don't emit line commands here, but set things up so
6723 they will be emitted if necessary. Use _cpp_fake_ihash to
6724 make unique nominal_fnames if necessary.
6725 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
6726 with 0 for column, not -1.
6727 (_cpp_handle_eof): Don't set the control macro here. Don't
6728 clear input_stack_listing_current here. Don't emit line
6731 2000-04-14 Geoff Keating <geoffk@cygnus.com>
6733 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
6734 always, use the default SVR4 start address.
6736 * config/rs6000/linux.h (LINK_SPEC): Don't define.
6737 (LINK_SHLIB_SPEC): Define.
6738 (LINK_START_DEFAULT_SPEC): Define.
6739 (LINK_OS_DEFAULT_SPEC): Define.
6741 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
6743 * config/rs6000/eabi.asm (__eabi): Call __init rather than
6744 __do_global_ctors to handle constructors.
6745 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
6746 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
6747 (STARTFILE_MVME_SPEC): Likewise.
6748 (STARTFILE_SIM_SPEC): Likewise.
6749 (ENDFILE_ADS_SPEC): Use crtend.
6750 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
6751 (ENDFILE_MVME_SPEC): Likewise.
6752 (ENDFILE_SIM_SPEC): Likewise.
6753 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
6754 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
6755 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
6756 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
6757 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
6758 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
6759 (CRTSTUFF_T_CFLAGS_S): Define.
6760 * config/rs6000/eabi-ctors.c: Delete.
6762 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
6765 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
6769 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
6771 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
6772 plus mask size is smaller or equal to the mode size.
6774 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6776 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
6779 * expr.c (reload.h): Now included.
6780 (emit_block_move): Set volatile_ok when checking for movstr.
6781 (emit_move_1): Check for replacements in addresses in multi-word case.
6782 * Makefile.in (expr.o): Now includes reload.h.
6784 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
6785 Never have a LIBCALL end a basic block.
6786 (find_basic_blocks_1): Likewise.
6787 Reorganize CALL_INSN cases.
6789 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
6791 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
6793 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
6794 completers from mov.ret instruction.
6796 2000-04-14 Richard Henderson <rth@cygnus.com>
6798 * fold-const.c (extract_muldiv): Don't distribute and widen
6799 multiply across plus for non-sizetype unsigned types.
6801 2000-04-14 Richard Henderson <rth@cygnus.com>
6803 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
6804 If the original source is dead in the incr insn, it's dead now.
6806 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6808 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
6809 see if DECL_BIT_FIELD needs to still be set.
6811 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
6813 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
6814 print_int_cst_octal with something that's not an INTEGER_CST.
6816 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
6817 and not a SUBREG to a FLOAT rtl.
6819 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
6821 * emit-rtl.c (try_split): Avoid infinite loop if the split
6822 results in a sequence that contains the original insn.
6824 2000-04-13 Andreas Jaeger <aj@suse.de>
6826 * config/mips/mips.c (expand_block_move): Pass alignment
6827 argument to move_by_pieces in bits, not bytes.
6829 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
6830 __pic__ for little endian.
6832 2000-04-13 Andreas Jaeger <aj@suse.de>
6834 * config/i386/i386-protos.h: Add prototype for
6835 uno_comparison_operator.
6837 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
6839 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
6840 * calls.c (ECF_PURE): New flag.
6841 (emit_call_1): Handle ECF_PURE calls.
6842 (initialize_argument_information): Unset ECF_PURE flag too.
6843 (precompute_arguments): Precompute for ECF_PURE too.
6844 (expand_call): Handle ECF_PURE calls too.
6845 (emit_library_call_value_1): Rename no_queue argument to fn_type,
6846 accept value of 2 as pure function.
6847 (emit_library_call_value, emit_library_call): Rename no_queue argument
6849 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
6851 * tree.h (DECL_IS_PURE): New macro.
6852 (struct tree_decl): Add pure_flag.
6853 * c-common.c (enum attrs): Add attribute "pure".
6854 (init_attributes): Initialize attribute "pure"
6855 (decl_attributes): Handle attribute "pure".
6856 * extend.texi (Attribute "pure"): Document.
6857 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
6859 (flags_from_decl_or_type): Support attribute "pure".
6861 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
6863 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
6864 the token except for numbers and identifiers.
6866 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
6868 * i386.c (ix86_expand_binary_operator,
6869 ix86_expand_unary_operator): Check no_new_pseudos
6870 instead of reload_in_progress and reload_completed.
6871 (ix86_split_ashldi, ix86_split_ashrdi,
6872 ix86_split_lshrdi): Check no_new_pseudos instead
6873 of reload_completed.
6875 2000-04-12 Jeffrey A Law (law@cygnus.com)
6877 * function.c (purge_addressof): Unshare any shared rtl created by
6878 purge_addressof and its children.
6880 2000-04-12 Mark Mitchell <mark@codesourcery.com>
6882 * function.c (aggregate_value_p): VOID_TYPE nodes are never
6885 2000-04-05 Andreas Jaeger <aj@suse.de>
6887 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
6888 not compiling PIC code, add flags for mabi=64.
6889 (SUBTARGET_CPP_SIZE_SPEC): New.
6890 (SUBTARGET_CPP_SPEC): New.
6891 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
6892 for MIPS/Linux and lots of code needs these defines.
6894 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
6896 * reorg.c (fill_slots_from_thread): Check side_effects_p when
6897 trying the "opposite arithmetic" approach.
6899 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6901 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
6902 (struct sh_args): Add new field force_mem.
6903 (INIT_CUMULATIVE_ARGS): Initialize it.
6904 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
6906 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
6908 * calls.c (expand_call): Do not reverse args in "equal from" field.
6909 (emit_library_call_value_1): Emit_libcall_block for const and pure
6912 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6914 * reload1.c (reload_combine): Don't enable optimization for fixed
6915 registers when encountering a BARRIER.
6917 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
6919 * builtins.c (expand_builtin_memcmp): Do expansion even with
6920 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
6922 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
6923 stack is propertly aligned; add sanity checking for aligned
6925 (expand_library_call_value_1): Add sanity checking for aligned
6928 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
6930 * calls.c (emit_library_call_value_1): Change 3rd arg to
6931 locate_and_pad_parm to disregard the setting of partial.
6933 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6935 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
6937 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
6938 CALL_INSN from the normal case.
6940 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
6942 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
6943 New global variables.
6944 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
6946 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
6948 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
6949 TARGET_ADD_ESP_8): New macros.
6950 * i386.md: Add peep2s to convert esp adjustments to push and pop
6952 (pushsi_prologue, popsi_epilogue): New patterns.
6954 2000-04-12 Jakub Jelinek <jakub@redhat.com>
6956 * real.c (toe64): Remove stale #endif from the last change.
6958 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
6960 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
6961 * real.c (toe64): Revert previous change.
6963 2000-04-12 Jakub Jelinek <jakub@redhat.com>
6965 * objc/objc-act.c: Include ggc.h.
6966 (objc_tree_index, objc_global_trees): Convert most of the
6967 static tree variables into a static array with previous names
6969 (objc_ellipsis_node): New variable.
6970 (lang_init): Call objc_act_parse_init and c_parse_init.
6971 Create objc_ellipsis_node.
6972 (build_selector_translation_table): Use objc_ellipsis_node instead
6974 (hack_method_prototype): Likewise.
6975 (get_arg_type_list): Likewise.
6976 (start_method_def): Likewise.
6977 (continue_method_def): Likewise.
6978 (gen_method_decl): Likewise.
6979 (ggc_mark_imp_list): New function.
6980 (ggc_mark_hash_table): New function.
6981 (objc_act_parse_init): New function.
6982 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
6983 * c-parse.in (c_parse_init): For objc add roots of objc specific
6984 local tree variables.
6985 * objc/objc-parse.y: Rebuilt.
6986 * objc/objc-parse.c: Rebuilt.
6987 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
6989 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
6991 * cse.c (delete_trivially_dead_insns): Also delete insns
6992 that copy a register to itself where the destination is
6995 2000-04-11 Richard Henderson <rth@cygnus.com>
6997 * flow.c (struct propagate_block_info): Add new_dead, new_live.
6998 (propagate_block): Initialize them. Use them in parallel instead
6999 of one tmp variable, ie revert much of the 0408 and 0407 functional
7000 changes, but keep the structural changes.
7001 (mark_set_regs): Take new_dead from propagate_block_info instead.
7002 (mark_set_1, mark_set_reg): Likewise.
7003 (mark_used_regs): Likewise with new_live.
7004 (mark_used_reg): Likewise. Revert 0408 change.
7006 2000-04-11 Nick Clifton <nickc@cygnus.com>
7008 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
7010 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
7012 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
7014 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
7015 const section to output a CONSTRUCTOR based on the same conditions
7018 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
7020 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
7021 * pa/pa-protos.h (output_call): Add additional argument indicating
7022 if the call is a sibling/tail call.
7023 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
7024 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
7025 (function_arg, function_arg_partial_nregs): Likewise
7026 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
7027 (emit_move_sequence): Zero extend certain constants as needed
7029 (compute_zdepdi_operands, output_64bit_and): New functions.
7030 (output_64bit_ior, function_arg): Likewise.
7031 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
7032 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
7033 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
7034 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
7035 (output_bvb): Likewise.
7036 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
7037 (output_call): New argument 'sibcall'. Generate sibcall sequences
7039 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
7040 (ouput_arg_descriptor): Do not emit argument descriptors for
7042 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
7044 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
7045 (FUNCTION_OK_FOR_SIBALL): Define.
7046 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
7047 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
7048 (CPP_SPEC): Use new spec infrastructure.
7049 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
7050 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
7051 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
7052 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
7053 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
7054 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
7055 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
7056 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
7057 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
7058 (FUNCTION_ARG); Call out to C code.
7059 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
7060 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
7061 (MIN_UNITS_PER_WORD): Likewise.
7062 * pa/pa.md (cmpdi): New expander.
7063 (scc patterns, movstrsi): Not available for TARGET_64BIT.
7064 (64bit conditional arithmetic): New patterns.
7065 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
7066 (movsicc): Not available if modes on all the operands to not match.
7067 (movdicc): New expander and associated patterns.
7068 (64bit branches): New patterns.
7069 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
7070 (pre_ldd, post_std): New patterns.
7071 (64bit addil, load low part): New patterns.
7072 (special movsf constant): Not available for TARGET_64BIT.
7073 (movsf, movdf expanders): Force constants into memory.
7074 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
7075 (64bit movdf/movdi patterns): New patterns.
7076 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
7078 (extendqidi2, extendhidi2, extendsidi2): Similarly.
7079 (adddi3 expander): Allow "arith_operand" for second input.
7080 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
7081 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
7082 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
7083 (muldi3): New expander for TARGET_64BIT.
7084 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
7086 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
7087 patterns for TARGET_64BIT.
7088 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
7089 patterns for TARGET_64BIT.
7090 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
7091 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
7092 (sibcall_epilogue): New expander.
7093 (casesi): Tweak for TARGET_64BIT.
7094 (call expanders): Set & use the outgoing argument pointer. Use the
7095 64bit call patterns as needed. Add additional arg to output_call.
7096 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
7097 (sibcall, sibcall_internal_symref): New expanders.
7098 (sibcall_value, sibcall_value_internal_symref
7099 (interspace_jump): Turn into an expander + matching patterns.
7100 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
7101 * pa/pa64-regs.h: Eliminate trigraph sequences.
7102 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
7104 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
7106 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
7107 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
7108 cpp_token with cpp_ttype everywhere.
7109 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
7110 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
7111 CPP_BUF_COL. Line and column numbers are unsigned int, not
7113 * cpplex.c (cpp_buf_line_and_col): Delete.
7114 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
7115 'long lineno' to 'unsigned int lineno'.
7116 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
7118 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7120 * extend.texi: ISO C99 is not a draft anymore.
7121 * invoke.texi: ISO C++ is not a draft anymore.
7122 * cpp.texi: __cplusplus is required by the ISO standard.
7124 * extend.texi (-fthis-is-variable): Undocument.
7125 * flags.h (warn_template_debugging): Remove declaration.
7126 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
7127 -Wenum-clash, -Wtemplate-debugging): Undocument.
7129 2000-04-10 Nick Clifton <nickc@cygnus.com>
7131 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
7133 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
7135 (ARM_SIGN_EXTEND): Use HOST_UINT.
7136 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
7137 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
7138 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
7139 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
7141 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
7142 (arm_gen_constant): Use HOST_UINT.
7143 (arm_canonicalize_constant): Use HOST_UINT.
7144 (arm_reload_in_hi): Use HOST_UINT.
7145 (arm_reload_out_hi): Use HOST_UINT.
7146 (output_multi_immediate): Use HOST_UINT.
7147 (int_log2): Use HOST_UINT.
7148 (arm_poke_function_name): Use HOST_UINT.
7149 (arm_output_epilogue): Use arm_volatile_func().
7150 (output_thumb_prologue): Use arm_strip_name_encoding().
7152 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7154 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
7155 of sequence point problems.
7157 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
7159 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
7161 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
7163 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7165 * sbitmap.h: Whitespace changes and use upper-case macro args.
7166 (struct simple_bitmap_def): All sizes now unsigned.
7167 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
7168 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
7169 (sbitmap_vector_alloc): Parms and local vars now unsigned.
7170 (sbitmap_zero): Cast bzero arg to PTR.
7171 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
7172 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
7173 loop to make structure clearer.
7174 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
7175 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
7176 (sbitmap_a_and_b_or_c): Likewise.
7177 (sbitmap_intersection_of_succs): Minor cleanups.
7178 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
7179 (sbitmap_union_of_preds): Likewise.
7180 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
7181 (debug_sbitmap): New function.
7183 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
7184 * c-typeck.c (convert_for_assignment): Likewise.
7186 * expmed.c (init_expmed): Don't free objects we make.
7187 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
7189 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
7190 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
7192 * gcse.c (expr_hash_table_size): Now unsigned.
7193 (compute_ae_gen): Local variable `i' now unsigned.
7194 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
7195 (compute_transout, hoist_code): Likewise.
7196 (compute_local_properties): Likewise, also hash_table_size.
7197 (alloc_expr_hash_table): N_INSNS now unsigned.
7198 (delete_null_pointer_checks): Mark arg F as unused.
7200 * regrename.c: Minor cleanups, including chang some variables
7203 2000-04-10 Neil Booth <NeilB@earthling.net>
7205 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
7207 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
7209 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7211 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
7212 __classof__, and __headof__ from the list of gnu keywords.
7213 (-ansi): Remove -foperator-names from list of implied options.
7214 Do not call it ANSI C++.
7215 (-foperator-names): Document as -fno-operator-names.
7217 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
7219 * cpphash.c (timestamp): Delete.
7220 (del_HASHNODE): If type is T_MCONST, free value.cpval.
7221 (special_symbol): Remove unnecessary braces. Remove
7222 T_VERSION. Treat T_STDC like T_CONST unless
7223 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
7224 when one is encountered, then convert them into T_MCONST
7226 * cppinit.c (builtin_array): version_string is T_MCONST.
7227 __STDC__ has a "1" in its cpval. Don't have a terminator
7228 entry. Clean up which entries are dumped.
7229 (initialize_builtins): Only __STDC__ gets the special
7230 -traditional treatment. Count the length of builtin_array.
7231 Render version_string here.
7232 * cpphash.h: Remove T_VERSION. Add T_MCONST.
7233 * cpplib.h (struct cpp_reader): Remove timebuf.
7235 2000-04-09 Richard Henderson <rth@cygnus.com>
7237 * genrecog.c (pred): Update comparison_operator for the unordered
7240 * config/i386/i386.c (no_comparison_operator): Disallow unordered
7242 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
7243 (uno_comparison_operator): New.
7244 (put_condition_code): Handle UNORDERED/ORDERED.
7245 (unsigned_comparison): Likewise.
7246 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
7247 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
7248 (ix86_expand_fp_compare): Use them. Take scratch as argument,
7249 update all callers. Handle all 8 unordered operators.
7250 (ix86_expand_setcc): Lose the unordered argument, update all callers.
7251 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
7252 * config/i386/i386.h (PREDICATE_CODES): Update.
7253 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
7254 (ix86_expand_branch, ix86_expand_setcc): Update.
7255 * config/i386/i386.md (sunordered, sordered): New.
7256 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
7257 (bunordered, bordered): New.
7258 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
7259 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
7260 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
7262 2000-04-09 Philip Blundell <philb@gnu.org>
7264 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
7266 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
7268 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
7269 fix_truncxfhi2): New patterns.
7270 * i386.c (output_fix_trunc): Handle converting to HImode.
7272 2000-04-08 Alex Samuel <samuel@codesourcery.com>
7274 * ssa.c (convert_to_ssa): Eliminate dead code when calling
7276 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
7277 (for_each_successor_phi): Change parameter to basic_block.
7278 (coalesce_regs_in_successor_phi_nodes): Likewise.
7279 (coalesce_regs_in_copies): Likewise.
7280 (compute_coalesced_reg_partition): Use basic_block instead of index.
7281 * rtl.h (convert_to_ssa): Delete.
7282 (convert_from_ssa): Likewise.
7283 (successor_phi_fn): Likewise.
7284 (for_each_successor_phi): Likewise.
7285 (in_ssa_form): Likewise.
7286 * basic-block.h (convert_to_ssa): Moved from rtl.h.
7287 (convert_from_ssa): Likewise.
7288 (successor_phi_fn): Likewise.
7289 (in_ssa_form): Likewise.
7290 (for_each_successor_phi): Likewise. Change parameter to basic_block.
7291 * flow.c (calculate_global_regs_live): Pass a basic_block to
7292 for_each_successor_phi.
7294 2000-04-08 Richard Henderson <rth@cygnus.com>
7296 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
7297 was modified in the current insn.
7299 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
7301 * arm/thumb.md: Delete.
7302 * arm/thumb-protos.h: Delete.
7304 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
7306 Merge changes from merged-arm-thumb-backend-branch onto trunk.
7308 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
7310 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
7313 * arm.md (nop): Use the standard RTL expression. Don't code as a
7315 (*arm_nop, *thumb_nop): Delete.
7317 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
7318 constants. Use casts instead.
7319 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
7320 output_multi_immediate, arm_poke_function_name): Likewise.
7321 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
7322 MASK_RETURN_ADDDR): Likewise.
7324 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
7326 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
7329 * arm.md (eh_epilogue): New function.
7330 * arm.h (struct machine_function): Move to here ...
7331 * arm.c: ... from here.
7332 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
7333 (thumb_exit): Extra parameter eh_ofs. All callers changed.
7334 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
7336 2000-03-30 Nick Clifton <nickc@cygnus.com>
7338 * config/arm/semi.h (ASM_SPEC): Restore definition.
7339 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
7341 * config/arm/elf.h (ASM_SPEC): Restore definition.
7342 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
7344 * config/arm/arm.h (ASM_SPEC): Remove definition.
7345 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
7347 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
7349 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
7351 2000-03-24 Nick Clifton <nickc@cygnus.com>
7353 Various formating tidyups, elimination of compile time
7354 warnings and synchronisation with internal sources:
7356 * config/arm/arm-protos.h (assemble_align): Add prototype.
7357 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
7358 (gen_comapre_reg): Rename to arm_gen_compare_reg.
7359 (arm_return_addr_rtx): Rename to arm_return_addr.
7361 * config/arm/arm.c: Include except.h.
7362 Define shorter typenames for strict minipool_node and struct
7364 (arm_return_in_memory): For WinCE return all structures <= 32 bits
7366 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
7367 (gen_comapre_reg): Rename to arm_gen_compare_reg.
7369 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
7371 (ASM_SPEC): Define if not already defined.
7372 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
7374 * config/arm/arm.md: Rename references to gen_rotated_half_load to
7375 arm_gen_rotated_half_load, and references to gen_comapre_reg to
7376 arm_gen_compare_reg.
7377 (indirect_jump): Only accept register operands.
7378 (load_indirect_jump): Keep this pattern since combine can generate
7381 * config/arm/coff.h: Include aout.h.
7382 (MULTILIB_DEFAULTS): Only define if not already defined.
7384 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
7385 into arm.h (so that COFF ports can support thumb based aliases).
7386 (ASM_SPEC): Move definition into arm.h
7388 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
7389 redundant apcs spec.
7390 (ASM_SPEC): Move definition to arm.h
7392 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
7394 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
7395 for entries in the .bss section
7397 2000-03-23 Nick Clifton <nickc@cygnus.com>
7399 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
7400 to thumb_far_jump_used_p.
7402 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
7403 single integer parameter.
7405 * config/arm/arm.c (struct machine_function): Add two new
7406 fields, 'far_jump_used' and 'arg_pointer_live'.
7407 (thumb_far_jump_used_p): Once the decision has been made that
7408 far jumps might be used, always return true.
7409 If being called from the initial elimination offset macro then
7410 do not bother to perform the test if the arg pointer is not
7412 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
7413 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
7415 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
7417 * arm.c (output_return_instruction): Handle more cases where we can
7418 return from a function with an ldr instruction.
7419 (arm_output_epilogue): Likewise.
7421 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
7422 if we need to push a large stack frame and there are no callee-saved
7425 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
7426 in ARM code if the frame pointer has been eliminated.
7428 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
7429 unspec_volatile arguments to avoid duplicates.
7430 (consttable_1, consttable_2): Fixes for big-endian mode.
7432 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
7435 Re-write constant pool code.
7436 * arm.c (minipool_node, minipool_fix): New types.
7437 (minifix): Delete type.
7438 (arm_add_minipool_constant): Delete.
7439 (arm_compute_minipool_offsets, arm_find_barrier,
7440 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
7441 (get_jump_table_size): Now returns HOST_WIDE_INT.
7442 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
7444 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
7445 (assign_minipool_offsets, arm_print_value): Likewise.
7446 (dump_minipool): Rewrite.
7447 (arm_barrier_cost): New function.
7448 (create_fix_barrier): New function.
7449 (push_minipool_barrier): New function.
7450 (push_minipool_fix): Record additional information about the fixup
7452 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
7453 check the mode of what needs fixing.
7454 (arm_reorg): Rewrite.
7456 2000-03-08 Nick Clifton <nickc@cygnus.com>
7458 * config/arm/arm.md (indirect_jump): Force constant addresses into
7461 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
7463 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
7465 2000-02-24 Nick Clifton <nickc@cygnus.com>
7467 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
7468 adjust is word aligned.
7469 (thumb_expand_epilogue): Make sure that stack adjust is word
7472 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
7474 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
7476 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
7477 pointer relative addresses.
7479 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
7481 * arm.c (find_barrier): Find the last barrier within the allowed
7484 2000-02-09 Nick Clifton <nickc@cygnus.com>
7486 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
7488 2000-02-09 Nick Clifton <nickc@cygnus.com>
7490 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
7491 ARM_FUNCTION_PROFILER.
7493 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
7494 ARM_FUNCTION_PROFILER.
7496 * config/arm/linux-oldld.h: Imported from mainline sources.
7498 2000-02-07 Nick Clifton <nickc@cygnus.com>
7500 * config/arm/lib1funcs.asm: Merge in thumb functions from
7503 * config/arm/lib1thumb.asm: Delete.
7505 2000-02-04 Nick Clifton <nickc@cygnus.com>
7507 * config/arm/arm.c: Sychronised with current Red hat local
7509 * config/arm/arm.h: Ditto.
7510 * config/arm/arm-protos.h: Ditto.
7512 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
7514 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
7516 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
7519 2000-02-02 Nick Clifton <nickc@cygnus.com>
7521 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
7523 * config/arm/arm.md (epilogue): Fix rtl checking abort because
7524 (return) was emited using an emit_insn() call.
7526 2000-01-31 Nick Clifton <nickc@cygnus.com>
7528 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
7530 (thumb_exit): Move frame pointer back into hard frame pointer
7531 register if backtracing is being used.
7533 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
7535 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
7538 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
7540 * config/arm/arm.md (neg_pool_offset): Provide default for new
7542 (arm_movsi_insn): Add neg_pool_offset attribute.
7543 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
7544 rtx for the insn that starts the scan and an unsigned long for its
7545 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
7546 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
7547 instructions in *PINSERTED.
7548 (struct minipool_fixup): Add MIN_ADDRESS elt.
7549 (sort_fixups): Compute it.
7550 (arm_reorg): Changes to support inserting pools before the insn to be
7553 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
7555 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
7556 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
7557 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
7559 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
7561 * config/arm/semi.h (TARGET_VERSION): Do not define if already
7563 (TARGET_DEFAULT): Do not define if already defined.
7565 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
7567 * config/arm/arm.md (anddi3): Allow disjoint source operands.
7568 (iordi3): Allow disjoint source operands.
7569 (xordi3): Allow disjoint source operands.
7570 (negdi2): Permit construction for ARM and Thumb.
7571 (arm_negdi2): Renamed version of old negdi2 pattern.
7572 (thumb_negdi2): New pattern: Only permit non-overlapping
7573 source and destination.
7575 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
7577 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
7578 scratch low register so that it will not be deleted.
7580 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
7582 * config/arm/pe.h (ARM_PE): Define.
7584 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
7585 interfacearm attribute if this is a PE toolchain.
7586 (output_return_instruction): Do not emit anything if the function
7587 has the naked attribute set.
7588 (is_called_in_ARM_mode): If the function has the interfacearm
7589 attribute then return true.
7590 (thumb_expand_prologue): Do not generate a prologue for naked
7592 (thumb_expand_epilogue): Do not generate an epilogie for a naked
7594 (output_thumb_prologue): Do not bother if the function is naked.
7595 Strip PE encoding from function name before emitting.
7597 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
7599 * arm.md (pic_load_addr): Fix constraints.
7601 * arm.md (casesi_insn): Fix mis-applied patch.
7603 * arm.md ("core" function unit): Add rules for single- and
7605 (All TARGET_THUMB patterns): Add "type" attribute information
7607 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
7608 the following insn is a CALL.
7610 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
7612 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
7613 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
7614 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
7616 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
7618 * config/arm/linux-gas.h: oops - this file was missed out when the
7619 branch was created...
7621 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
7623 * thumb.c: Deleted. Move contents to ...
7625 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
7627 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
7630 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
7631 declare a prototype for asm_output_align();
7633 * arm.c (thumb_condition_code): Delete.
7634 (arm_print_operand): Always use arm_condition_code array.
7636 * arm.c (thumb_return_addr_rtx): Delete.
7637 (arm_save_machine_status, arm_restore_machine_status): Delete.
7638 (arm_init_machine_status, arm_mark_machine_status): New functions.
7639 (arm_init_expanders): Update accordingly.
7640 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
7641 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
7642 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
7644 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
7646 * configure.in : Fix arm-*-aout target to use new t-arm-aout
7648 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
7651 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
7653 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
7654 stack backtrace structure.
7656 * config/arm/arm-protos.h: Add prototypes for functions defined in
7659 * config/arm/arm.c (arm_override_options): Fix selection of
7660 attributes of default processor.
7662 * config/arm/coff.h: Delete needless #include.
7664 * config/arm/pe.c: Delete unused code.
7666 * config/arm/pe.h (CPP_DEFINES): Delete
7667 (SUBTARGET_CPP_SPEC): Define.
7668 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
7670 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
7672 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
7674 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
7676 (CAN_DEBUG_WITHOUT_FP): Define.
7677 (FIXED_REGISTERS): Make r11 call-saved.
7678 (CALL_USED_REGISTERS): Likewise.
7679 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
7680 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
7681 frame-pointer is required.
7682 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
7683 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
7684 if the target normally needs a stack frame in non-leaf functions.
7685 (use_return_insn): Correct logic for determining when a return
7686 instruction can be used.
7687 (output_return_instruction): Handle the frame-pointer register as
7688 a normal register when not TARGET_APCS_FRAME.
7689 (arm_output_prologue): Likewise.
7690 (arm_output_epilogue): Likewise.
7691 (output_func_epilogue): Likewise.
7692 (arm_expand_prologue): Likewise.
7693 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
7695 * arm.c (use_return_insn): No need to check floating point regs if
7697 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
7698 the code of value stored in the minipool array.
7699 (arm_add_minipool_constant): Likewise.
7701 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7703 * basic-block.h (conflict_graph_enum_fn): K&R fix.
7705 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7707 * tree.c (tree_expr_nonnegative_p): New function.
7709 * tree.h (tree_expr_nonnegative_p): Declare.
7711 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
7712 elide some sign_compare warnings.
7713 (build_conditional_expr): Likewise.
7715 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
7717 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
7719 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
7720 * i386.c (print_operand): Use the proper suffix for a 387 HImode
7721 operand. Abort if a 387 operand has an unsupported size.
7723 2000-04-08 Neil Booth <NeilB@earthling.net>
7725 * cppexp.c (parse_charconst): Null does not end character
7727 * cppinit.c (ISTABLE): Null character handled as whitespace.
7728 * cpplex.c (null_warning): new function.
7729 (skip_string): Emit warning if nulls encountered.
7730 (_cpp_skip_hspace): Emit warning if nulls encountered.
7731 (_cpp_lex_token): Emit warning if nulls encountered. Drop
7735 2000-04-07 Richard Henderson <rth@cygnus.com>
7737 * flow.c (loop_depth): Remove.
7738 (reg_next_use, cc0_live, mem_set_list): Replace with ...
7739 (struct propagate_block_info): New.
7740 (life_analysis): Don't allocate reg_next_use.
7741 (propagate_block_delete_insn): Break out of propagate_block.
7742 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
7743 (propagate_block_delete_libcall): Likewise.
7744 (propagate_block): Create a propagate_block_info struct to pass
7745 to subroutines. Allocate one not two temporary regsets. Don't
7746 clobber memory for const calls. Look for clobbers in
7747 CALL_INSN_FUNCTION_USAGE.
7748 (mark_set_regs): Recognize COND_EXEC.
7749 (mark_set_reg): Break out of mark_set_1.
7750 (mark_used_reg): Break out of mark_used_regs.
7751 (mark_used_regs): Recognize COND_EXEC.
7752 (insn_dead_p): Use propagate_block_info struct.
7753 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
7754 (find_auto_inc, try_pre_increment_1): Likewise.
7755 (print_rtl_with_bb): Dump regs live at end too.
7756 (count_reg_sets_1): Pass in loop_depth.
7757 (count_reg_sets, count_reg_references): Likewise.
7758 (recompute_reg_usage): Provide it.
7760 2000-04-07 Richard Henderson <rth@cygnus.com>
7762 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
7765 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
7767 * cpplib.c (do_elif): Skip the rest of the line if we're
7768 not going to bother evaluating it.
7769 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
7770 to avoid pointless calls to the lexer.
7772 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
7774 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
7776 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
7778 * calls.c (expand_call): emit_queue if we're trying a sibcall.
7780 2000-04-07 Jakub Jelinek <jakub@redhat.com>
7782 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
7784 2000-04-06 Geoff Keating <geoffk@cygnus.com>
7786 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
7787 crtend so they can be multilibbed.
7788 (STAGESTUFF): Remove s-crt and s-crtS.
7790 2000-04-07 Richard Henderson <rth@cygnus.com>
7792 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
7793 if we discover we need a pseudo and no_new_pseudos is true.
7794 * config/alpha/alpha.md (ne:DI insn): New.
7795 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
7797 2000-04-07 Richard Henderson <rth@cygnus.com>
7799 * rtl.def (COND_EXEC): New.
7800 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
7801 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
7803 * genconfig.c (have_cond_arith_flag): Remove.
7804 (have_cond_exec_flag): New.
7805 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
7806 (main): Print HAVE_conditional_execution.
7808 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
7809 (sched_analyze_insn, print_pattern): Likewise.
7810 * reload.c (find_equiv_reg): Likewise.
7811 * rtlanal.c (reg_referenced_p): Likewise.
7812 (note_stores, dead_or_set_regno_p): Likewise.
7813 (reg_overlap_mentioned_p): Rewrite to use a switch.
7815 * ggc.h (struct rtx_def): Forward declare.
7817 * print-rtl.c (debug_rtx_range): New.
7818 * rtl.h (debug_rtx_range): Declare.
7820 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
7822 * gcse.c (gcse_main): Don't rebuild the CFG here.
7823 (delete_null_pointer_checks): Likewise.
7824 * ssa.c (convert_to_ssa): Likewise.
7825 * toplev.c (rest_of_compilation): Do it here instead. Combine
7826 sequential calls to TIMEVAR. Consistently use `insns' instead of
7827 `get_insns()'. Always split insns after reload when optimizing.
7829 * basic-block.h (merge_blocks_nomove): Declare.
7830 (tidy_fallthru_edge): Declare.
7831 * flow.c (merge_blocks_nomove): Document as merging into previous
7832 blocks. Remove cruft from between blocks; remove all edges out of A.
7833 (tidy_fallthru_edge): Export.
7835 2000-04-06 Alex Samuel <samuel@codesourcery.com>
7837 * ssa.c (compute_conservative_reg_partition): Declare with
7839 * toplev.c (clean_dump_file): Remove previously-deleted function
7840 inadvertantly merged back in.
7841 * conflict.c (conflict_graph_add): Use a single call to
7842 htab_find_slot to look up and insert.
7844 2000-04-06 Richard Henderson <rth@cygnus.com>
7846 * genrecog.c (*): Rename _last_insn to last_insn.
7847 (make_insn_sequence): Set the position of the peephole2 C test
7848 to be at the last insn.
7850 2000-04-06 Richard Henderson <rth@cygnus.com>
7852 * flow.c (compute_flow_dominators): Free worklist.
7854 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
7856 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
7858 2000-04-06 Alex Samuel <samuel@codesourcery.com>
7860 * rtl.h (INSN_P): New macro.
7861 (successor_phi_fn): New typedef.
7862 (for_each_successor_phi): New prototype.
7863 (in_ssa_form): New variable.
7864 (PHI_NODE_P): Likewise.
7865 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
7866 phi nodes in successors.
7867 (mark_used_regs): Add PHI case.
7868 (set_phi_alternative_reg): New function.
7869 (life_analysis): Assert that dead code elimination is not selected
7871 * toplev.c (to_ssa_time): New variable.
7872 (from_ssa_time): Likewise.
7873 (compile_file): Zero to_ssa_time and from_ssa_time.
7874 Print time to convert to and from SSA.
7875 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
7876 (print_time): Compute percent fraction as integer.
7877 * ssa.c (PHI_NODE_P): Moved to rtl.h.
7878 (convert_to_ssa): Check if we're already in SSA.
7879 Don't eliminate dead code in life_analysis.
7880 Rerun flow and life analysis at bottom.
7881 (eliminate_phi): Use canonical regnos when adding nodes.
7882 (mark_reg_in_phi): New function.
7883 (mark_phi_and_copy_regs): Likewise.
7884 (convert_from_ssa): Rerun life analysis at top.
7885 Use coalesced partition.
7886 Check for removing a phi node at the end of the block.
7887 (compute_coalesced_reg_partition): New function.
7888 (coalesce_regs_in_copies): Likewise.
7889 (coalesce_reg_in_phi): Likewise.
7890 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
7891 (for_each_successor_phi): Likewise.
7892 (rename_context): New struct.
7893 (rename_block): Use a rename_context with rename_insn_1. When
7894 renaming sets of a subreg, emit a copy of the entire reg first.
7895 (rename_insn_1): Treat data as a rename_context *. Save current
7897 (rename_set_data): Add field set_insn.
7898 * Makefile.in (HASHTAB_H): Move up in file.
7899 (OBSTACK_H): New macro.
7900 (collect2.o): Use OBSTACK_H in dependencies.
7901 (sdbout.o): Likewise.
7902 (emit-rtl.o): Likewise.
7903 (simplify-rtx.o): Likewise.
7904 (fix-header.o): Likewise.
7905 (OBJS): Add conflict.o.
7906 (conflict.o): New rule.
7907 * basic-block.h: Include partition.h.
7908 (conflict_graph): New typedef.
7909 (conflict_graph_enum_fn): Likewise.
7910 (conflict_graph_new): New prototype.
7911 (conflict_graph_delete): Likewise.
7912 (conflict_graph_add): Likewise.
7913 (conflict_graph_conflict_p): Likewise.
7914 (conflict_graph_enum): Likewise.
7915 (conflict_graph_merge_regs): Likewise.
7916 (conflict_graph_print): Likewise.
7917 (conflict_graph_compute): Likewise.
7918 * conflict.c: New file.
7920 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
7922 * tlink.c (read_repo_files): Don't look for .rpo info for
7925 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7927 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
7929 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7931 * config/sh/lib1funcs.asm (___udivsi3_i4):
7932 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
7933 only depends on FMOVD_WORKS.
7935 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7937 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
7938 make double constant 8-byte aligned.
7940 2000-04-06 Jakub Jelinek <jakub@redhat.com>
7942 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
7943 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
7944 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
7945 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
7946 Accept storing GENERAL_REGS into offsetable memory.
7947 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
7948 building a TFmode constant other than 0.0L into GENERAL_REGS.
7950 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
7952 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
7954 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
7956 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
7957 (macro_cleanup): No need to cast pbuf->macro.
7958 (collect_expansion): Use _cpp_get_define_token. Goto done if
7959 it returns VSPACE. Remove check for trailing space after
7961 (_cpp_create_definition): Don't diddle flags here. Return
7963 (unsafe_chars): Handle c1 being EOF.
7964 (push_macro_expansion): Use unsafe_chars for both accidental-paste
7965 checks. Don't push the buffer till after we're done with
7967 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
7968 (PEEKN, FORWARD, GETC, PEEKC): Use them.
7969 (cpp_push_buffer): Don't set new->alimit. Set new->mark
7971 (_cpp_parse_assertion): Don't NUL terminate.
7972 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
7973 hspace before calling _cpp_parse_assertion. Remove all sets
7974 of only_seen_white. Treat '\f' as hspace. Don't do anything
7975 special with '\n' here.
7976 (maybe_macroexpand): Handle T_EMPTY hash entries without
7977 pushing a buffer at all.
7978 (cpp_get_token): Handle clearing only_seen_white here. Handle
7979 incrementing the line number here. Clear
7980 potential_control_macro as well as only_seen_white, if
7982 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
7983 (_cpp_get_define_token): New function, basically like
7984 _cpp_get_directive_token was but doesn't eat horizontal space.
7985 Don't do anything with only_seen_white here.
7986 (_cpp_get_directive_token): Just call _cpp_get_define_token
7987 repeatedly till it returns non-hspace.
7989 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
7990 (conditional_skip, skip_if_group): Return int.
7991 (DIRECTIVE_TABLE): Change origin of all conditional directives
7993 (TRAD_DIRECT_P): New macro.
7994 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
7995 an error for a bogus directive, unless -lang-asm. Use
7996 TRAD_DIRECT_P. Loop calling handler functions till one returns
7998 (get_macro_name): Don't diddle flags here.
7999 (do_define): Diddle flags here. Use _cpp_get_directive_token.
8000 Create T_EMPTY nodes for #define macro /* nothing */.
8001 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
8002 Use hp->name when calling pass_thru_directive.
8003 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
8004 Return the result of conditional_skip and/or skip_if_group.
8005 Don't call _cpp_output_line_command.
8006 (consider_directive_while_skipping): Use _cpp_get_directive_token.
8007 Issue -Wtraditional warnings as appropriate. Don't complain
8008 about unrecognized directives. If we are to stop skipping,
8009 return the number of the directive that ended the skip.
8010 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
8011 expansion and line commands while skipping. Return the result
8012 of consider_directive_while_skipping, if nonzero.
8013 (do_endif): Just set potential_control_macro here.
8014 (validate_else): Use _cpp_get_directive_token.
8015 (do_assert, do_unassert): Don't save pointers into the
8016 token_buffer across calls to the lexer. Use
8017 _cpp_get_directive_token.
8019 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
8020 pointer, not an offset. Replace 'data', which was a generic
8021 pointer, with 'macro', which points to a struct hashnode.
8022 (cpp_reader): Add 'potential_control_macro' pointer.
8023 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
8024 (CPP_BUF_GET, CPP_FORWARD): Delete.
8025 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
8026 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
8027 ACTIVE_MARK_P): Update.
8028 (_cpp_get_define_token): New internal function.
8029 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
8031 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
8033 * configure.in: And here.
8034 * configure: Regenerate.
8035 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
8036 --enable-libstdcxx-v3 is passed at configure time.
8037 * config.h.in: Regenerate.
8039 2000-04-05 Mark Mitchell <mark@codesourcery.com>
8041 * final.c (final): Use xcalloc to allocate line_note_exists.
8042 * function.c (free_after_compilation): Free the temp_slots.
8043 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
8044 (combine_temp_slot): Free temp_slots when they get combined.
8045 (purge_addressof): Fix typo in comment.
8046 * stmt.c (mark_goto_fixup): Mark the fixup itself.
8047 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
8049 * ggc.h: Include varray.h.
8050 (ggc_pending_trees): Declare.
8051 (ggc_mark_tree_children): Remove declaration.
8052 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
8053 * ggc-common.c (ggc_pending_trees): New variable.
8054 (ggc_mark_roots): Call ggc_mark_trees.
8055 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
8056 the ggc_pending_trees.
8057 * Makefile.in (GGC_H): New variable. Use it throughout in place
8060 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8062 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
8065 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
8067 * sh.c (sh_insn_length_adjustment): New function.
8068 * sh-protos.h (sh_insn_length_adjustment): Declare.
8069 * sh.h (ADJUST_INSN_LENGTH): Use it.
8071 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
8073 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
8074 from the insn where REG_RETVAL is added.
8075 (emit_no_conflict_block): Ditto.
8077 * md.texi (Standard Names): Clarify when movX is needed.
8079 * combine.c (simplify_comparison) [MINUS]: Do not replace
8080 all (op (minus A B) 0) with (op A B).
8082 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
8083 J"orn Rennecke <amylaar@cygnus.co.uk>
8085 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
8086 (block_lump_real): Likewise.
8088 2000-04-05 Chris Demetriou <cgd@netbsd.org>
8090 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
8091 remaining non-zero debugging masks.
8093 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
8095 * basic-block.h (verify_flow_info): Declare.
8096 (flow_loop_outside_edge_p): Declare.
8097 * flow.c (verify_flow_info): Remove declaration.
8098 (clear_log_links, flow_loop_outside_edge_p): Likewise.
8100 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
8102 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
8105 2000-04-05 Jakub Jelinek <jakub@redhat.com>
8107 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
8108 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
8109 seqdi_zero_trunc+1): Allow splits only if registers are
8112 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
8114 * acconfig.h: Add HAVE_GAS_HIDDEN.
8115 * config.in: Regenerated.
8116 * configure.in: Add test for .hidden pseudo-op in gas.
8117 * configure: Regenerated.
8118 * crtstuff.c: Include auto-host.h.
8119 Emit additional .hidden pseudo-op for __dso_handle if the
8120 assembler knows about it.
8122 2000-04-04 Philippe De Muyter <phdm@macqel.be>
8124 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
8125 before freeing argnames.
8126 * cpplib.c (do_ifndef): Cast return value of xstrdup.
8128 2000-04-05 Michael Meissner <meissner@redhat.com>
8130 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
8131 Walton <jonboy@gordian.com> to make memory references with update
8132 work wtih -mregnames.
8134 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8136 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
8137 (regrename_optimize): Rename variables `def_uses' and
8138 `ext_basic_blocks' to avoid conflicts with similarly named
8139 typedefs in traditional C.
8141 * calls.c (initialize_argument_information): Fix typo in previous
8144 2000-04-04 Richard Henderson <rth@cygnus.com>
8146 * regrename.c (consider_available): Test fixed_regs not
8147 PIC_OFFSET_TABLE_REGNUM.
8149 2000-04-04 Geoff Keating <geoffk@cygnus.com>
8151 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
8153 (CRTSTUFF_T_CFLAGS_S): Delete definition.
8154 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
8155 (ENDFILE_LINUX_SPEC): Always use crtend.
8156 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
8157 (powerpc-*-linux-gnu): Likewise.
8158 * configure: Regenerate.
8160 * config/rs6000/eabi.h: Don't include sysv4.h.
8161 (MULTILIB_DEFAULTS): Don't define.
8162 * config/rs6000/eabiaix.h: Don't include eabi.h.
8163 * config/rs6000/eabile.h: Delete.
8164 * config/rs6000/eabilesim.h: Delete.
8165 * config/rs6000/eabisim.h: Don't include eabi.h.
8166 * config/rs6000/linux.h: Don't include sysv4.h.
8167 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
8168 (MULTILIB_DEFAULTS): Don't redefine.
8169 * config/rs6000/rtems.h: Don't include eabi.h.
8170 * config/rs6000/sol2.h: Don't include sysv4le.h.
8171 * config/rs6000/sysv4le.h: Don't include sysv4.h.
8172 * config/rs6000/t-ppc: Delete.
8173 * config/rs6000/t-ppcgas: Correct comment.
8174 * config/rs6000/t-ppcos: Correct comment. Don't build
8175 multilibs for -fPIC, rather use -fPIC -mstrict-align
8177 * config/rs6000/t-ppc: Delete.
8178 * config/rs6000/vxppc.h: Don't include sysv4.h.
8179 * config/rs6000/vxppcle.h: Delete.
8180 * configure.in: Use multiple header files for p2pc ELF targets
8181 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
8182 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
8183 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
8184 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
8185 always available for these platforms.
8187 2000-04-04 Richard Henderson <rth@cygnus.com>
8189 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
8191 2000-04-04 Stan Cox <scox@cygnus.com>
8193 * Makefile.in: Add rules for regrename.o
8194 * regrename.c: New file.
8195 * rtl.h (regrename_optimize): Add prototype.
8196 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
8197 (compile_file, decode_d_option): Add support for -frename-registers.
8198 (rest_of_compilation): Call regrename_optimize.
8199 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
8202 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
8204 * Makefile (gccbug): New target.
8205 (doc): Depend on it.
8206 * gcc.texi (Bugs): Link subnodes.
8208 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
8209 Document severities, priorities, and classes in bug form.
8211 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
8213 * cpplex.c (trigraph_map, speccase): Combine into single
8215 (NORMAL, NONTRI): New macros.
8216 (_cpp_read_and_prescan): Change to use unified table. Use
8217 is_hspace to test for whitespace.
8219 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
8220 definition that doesn't provoke the "empty body in an
8221 if-statement" warning.
8223 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
8225 * builtins.c (expand_builtin_strlen): Force the source to
8226 be a memory address.
8228 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8230 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
8232 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
8234 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
8235 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
8236 (ECF_IS_CONST): Rename to ECF_CONST.
8237 (special_function_p): Make static, change interface.
8238 (flags_from_decl_or_type, try_to_integrate): Break out from ...
8239 (expand_call) ... here; convert number of variables to flags.
8240 (emit_library_call_vlue_1): Likewise.
8241 (setjmp_call_p): New function.
8242 (initialize_argument_information): Accepts flags as argument;
8244 (precompute_arguments): Likewise.
8245 * tree.h (special_function_p): Remove.
8246 (setjmp_call_p): Add prototype.
8248 2000-04-04 Jakub Jelinek <jakub@redhat.com>
8250 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
8251 so that addresses are offsetable by up to 16 bytes.
8252 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
8253 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
8256 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
8257 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
8258 (movsf): Don't force any constant to memory if target is integer
8260 Move fp_zero_operand check below the const0_rtx check.
8261 (movtf): Likewise. Also allow fp_zero_operand for stores into
8263 (movdf): Likewise. Also allow fp_zero_operand for stores into
8264 memory and into integer hard registers.
8265 (clear_df, clear_dfp, movdf_const_intreg_sp32,
8266 movdf_const_intreg_sp64): Remove.
8267 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
8269 (movdf_no_e_insn_v9_sp32): New pattern.
8270 (movdf_insn_v9only): Remove.
8271 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
8272 (movdf_insn_sp64): Remove.
8273 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
8274 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
8275 (following splits): Rewrite conditions. Add two new splits
8276 for storing 0.0 into memory and registers.
8277 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
8278 (movtf_insn_sp32): Redo constraints and conditions.
8279 (movtf_insn_vis_sp32): New pattern.
8280 (movtf_no_e_insn_sp32): Redo constraints and conditions.
8281 (movtf_insn_hq_sp64): Likewise.
8282 (movtf_insn_hq_vis_sp64): New pattern.
8283 (movtf_insn_sp64): Redo constraints and conditions.
8284 (movtf_insn_vis_sp64): New pattern.
8285 (movtf_no_e_insn_sp64): Redo constraints and conditions.
8286 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
8288 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
8289 -mvis or -m64 to take down the number of various reload patterns.
8291 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
8293 * pa/pa-64.h: New file.
8294 * pa/pa64-regs.h: New file.
8295 * pa/pa64-start.h: New file.
8296 * pa/t-pa64: New file.
8297 * pa/xm-pa64hpux.h: New file.
8299 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8301 * sparc.c (output_restore_regs): Prototype.
8302 (sparc_emit_float_lib_cmp): Constification.
8304 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
8306 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
8309 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
8310 (get_value_hash, hash_rtx): Likewise.
8312 * ssa.c (compute_conservative_reg_partition): Prototype.
8314 * tree.c (mark_hash_entry): Prototype.
8316 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
8318 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
8319 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
8320 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
8322 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
8323 * objc/lang-specs.h: Likewise.
8325 2000-04-03 Neil Booth <NeilB@earthling.net>
8327 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
8328 and SYNTAX_ERROR2. Replace `' in messages with ''.
8329 (op_to_str): Make re-entrant.
8330 (_cpp_parse_expr): Implement new error macros. Use | rather
8331 than || to logically or 2 boolean integers. Simply expression
8332 checking we have a left operand iff needed.
8334 2000-04-03 Nick Clifton <nickc@cygnus.com>
8336 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
8338 2000-04-03 Philip Blundell <philb@gnu.org>
8340 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
8342 2000-04-03 Felix Lee <flee@cygnus.com>
8344 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
8345 (run_shell): Use it.
8347 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
8349 * Makefile.in (stmp-int-hdrs): Make include subdir here...
8350 (stmp-fixproto): ...rather than here.
8352 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
8354 * pa.c (print_operand): Compute 'base' only inside the code paths
8357 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
8359 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
8362 2000-04-03 Philipp Thomas <pthomas@suse.de>
8364 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
8366 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
8368 * Makefile.in (alias.o): Depend on $(TREE_H).
8370 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
8372 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
8374 * cpplib.c (_cpp_handle_directive): Improve warnings for
8375 traditional C and indented directives.
8377 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
8378 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
8379 fixinc/inclhack.def: Indent the # of #include_next one space.
8380 * cp/rtti.c: Un-indent #if and #endif.
8382 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
8383 syntax error, but an error has already been printed.
8384 * cpplex.c (_cpp_parse_assertion): Give a more specific error
8385 message when called with nothing remaining on the line.
8386 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
8387 OTHER token, not an ASSERTION.
8388 * cpplib.c (do_assert): When we create a 'base' node, clear
8389 its aschain pointer.
8391 2000-04-02 Neil Booth <NeilB@earthling.net>
8393 * cppexp.c: New typedef op_t. struct operation and struct
8394 token updated to use it.
8395 (op_to_str): New function.
8396 (_cpp_parse_expr): Error messages modified to use op_to_str.
8398 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8400 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
8401 before checking MUST_PASS_IN_STACK.
8403 2000-04-02 Neil Booth <NeilB@earthling.net>
8405 * cppexp.c: New FINISHED dummy token. Combine operator initial
8406 flags and initial priority into a single constant. New
8407 EQUALITY macro. New operator flag SHORT_CIRCUIT.
8408 (_parse_cpp_expr): Implement new constants. Take left operand
8409 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
8410 parse indicated by reducing FINISHED token. Remove new lines
8411 from cpp_error messages.
8413 2000-04-01 Mark Mitchell <mark@codesourcery.com>
8415 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
8418 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
8420 * cpplib.c: Include symcat.h. Add 'origin' field to struct
8421 directive. Add origin values to DIRECTIVE_TABLE. Generate
8422 the strings and function names on the fly. Take the #sccs
8423 entry out of the table if SCCS_DIRECTIVE is not defined.
8424 (_cpp_handle_directive): Decide if the # was at the beginning
8425 of the line here. Issue -pedantic warnings for extended
8426 directives here. Warn about K+R directives with the #
8427 indented, and C89/extended directives with the # not indented,
8429 (do_import, do_include_next, do_warning, do_ident, do_sccs,
8430 do_assert, do_unassert): Don't issue pedantic warning here.
8432 * cpphash.h: Add CPP_WTRADITIONAL macro.
8433 * cpplib.h (struct cpp_options): Rename warn_stringify to
8434 warn_traditional; update comments.
8435 * cppinit.c (handle_option): Set warn_traditional not
8437 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
8438 CPP_WTRADITIONAL (pfile).
8439 * cpplex.c (_cpp_lex_token): Don't decide if directives should
8440 be ignored in -traditional mode here.
8442 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
8443 to initialize speccase[] and trigraph_map[]. Delete all
8444 references to pfile->input_speccase. Always treat '?' as a
8445 special character. Remove table-initialization code from
8446 _cpp_init_input_buffer.
8448 * cpplib.h (struct cpp_reader): Remove input_speccase field.
8449 * cppinit.c (cpp_cleanup): Don't free input_speccase.
8451 2000-04-01 Richard Henderson <rth@cygnus.com>
8453 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
8454 (mostlyclean): Likewise.
8456 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
8457 (struct dump_file_info, enum dump_file_index, dump_file): New.
8458 (open_dump_file): Take a dump_file_index not a suffix, and a decl
8459 not a string. Clean out file if we havn't yet done so. Do nothing
8460 if the dump isn't enabled.
8461 (close_dump_file): Do nothing if the dump isn't open. Dump
8462 graph data if requested.
8463 (dump_rtl, clean_dump_file): Remove.
8464 (compile_file): Don't clean the dump files. Only finalize .bp dump
8465 if flag_test_coverage or flag_branch_probabilities. Only finalize
8466 .combine dump if optimizing. Iterate over dump_file to finalize the
8468 (rest_of_compilation): Update for open_dump_file/close_dump_file.
8469 Convert all uses of dump_rtl.
8470 (decode_d_option): Iterate over dump_file to implement 'a' and to
8471 locate pass-specific dumps.
8473 2000-04-01 Neil Booth <NeilB@earthling.net>
8475 * cppexp.c: Redefine priority constants.
8476 (_cpp_parse_expr): Replace left and right priority scheme with
8477 single priority logic. Move LOGICAL to same place as COMPARE.
8478 Remove bogus check for multiple unary +/- operators.
8480 2000-04-01 Neil Booth <NeilB@earthling.net>
8482 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
8483 within the switch statement. Binary operations break out of
8484 the switch naturally. '(' tokens handled by forcing
8485 immediate shift. ')' handled by forcing immediate reduce to
8486 the previous '('. New error messages.
8488 2000-03-31 Geoff Keating <geoffk@cygnus.com>
8490 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
8491 part', it's already in use. Use %K instead. Add a return at the
8492 end of what is now %K.
8493 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
8495 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
8497 * builtins.c (expand_builtin_apply): Pass proper parameters to
8498 allocate_dynamic_stack_space.
8499 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
8500 update stack_pointer_delta; do not update arg_size_so_far.
8501 (compute_argument_block_size): Use stack_delta instead of
8502 stack_pointer_pending and arg_size_so_far.
8503 (expand_call): Add sanity checking for stack_pointer_delta;
8504 save and restore stack_pointer_delta for SIB, use
8505 stack_pointer_delta for alignment; do not update arg_space_so_far.
8506 (emit_library_call_value): Use stack_pointer_delta for alignment.
8507 (store_one_arg): Do not update arg_space_so_far.
8508 * explow.c (adjust_stack, anti_adjust_stack): Update
8509 stack_pointer_delta.
8510 (allocate_dynamic_stack_space): Add sanity checking for
8511 stack_pointer_delta.
8512 * expr.c (init_expr, clear_pending_stack_adjust): Clear
8513 stack_pointer_delta.
8514 (emit_push_insn): Update stack_pointer_delta.
8515 * function.h (struct expr_status): Add x_stack_pointer_delta;
8516 remove x_arg_space_so_far.
8517 (arg_space_so_far): Remove.
8518 (stack_pointer_delta): New macro.
8520 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
8522 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
8523 Reorder struct cpp_options and struct cpp_reader for better
8524 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
8525 takes two args. Change all 'char' flags to 'unsigned char'.
8526 Move show_column flag into struct cpp_options. Don't
8527 prototype cpp_options_init.
8528 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
8529 cppinit.c, cpplex.c, cpplib.c:
8530 Replace CPP_OPTIONS (pfile)->whatever with
8531 CPP_OPTION (pfile, whatever), and likewise for
8532 opts = CPP_OPTIONS (pfile); ... opts->whatever;
8534 * cppinit.c (merge_include_chains): Take a cpp_reader *.
8535 Extract CPP_OPTION (pfile, pending) and work with that
8537 (cpp_options_init): Delete.
8538 (cpp_reader_init): Turn on on-by-default options here.
8539 Allocate the pending structure here.
8540 (cl_options, enum opt_code): Define these from the same table,
8541 kept in a large macro. Add -fshow-column and -fno-show-column
8544 * cpperror.c (v_message): If show_column is off, don't print
8547 * cppmain.c: Update for new interface.
8548 * fix-header.c: Likewise.
8550 2000-03-30 Geoff Keating <geoffk@cygnus.com>
8552 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
8554 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
8555 are passed to any invocation of AR_FOR_TARGET.
8556 (AR_CREATE_FOR_TARGET): New macro.
8557 (AR_EXTRACT_FOR_TARGET): New macro.
8558 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
8559 AR_EXTRACT_FOR_TARGET.
8560 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
8561 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
8562 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
8563 AR_EXTRACT_FOR_TARGET to sub-makes.
8565 2000-03-31 Neil Booth <NeilB@earthling.net>
8567 * cppexp.c: Delete SKIP_OPERAND. Correct priority
8569 (_cpp_parse_expr): Check for multiple unary +/- operators.
8570 Correct priorities of ':' and '?'. Treat ')' as having a
8571 value. Ensure conditional expression is not void.
8573 2000-03-31 Mark Mitchell <mark@codesourcery.com>
8575 * alias.c (canon_rtx): Make it global.
8576 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
8578 * cse.c (struct table_elt): Add canon_exp.
8580 (invalidate): Canonicalize expressions only once.
8581 * rtl.h (canon_rtx): Declare.
8583 2000-03-30 Mark Mitchell <mark@codesourcery.com>
8585 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
8586 * alias.c (reg_known_value): Add comments.
8587 (init_alias_analysis): Likewise.
8588 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
8590 (cse_basic_block): Fix typo in comment.
8591 * emit-rtl.c: Include hashtab.h.
8592 (const_int_htab): New variable.
8593 (const_int_htab_hash): New function.
8594 (const_int_htab_eq): Likewise.
8595 (rtx_htab_mark_1): Likewise.
8596 (rtx_htab_mark): Likewise.
8597 (gen_rtx_CONST_INT): Cache all CONST_INTs.
8598 (unshare_all_rtx): Fix formatting.
8599 (init_emit_once): Initialize const_int_htab.
8600 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
8602 * rtl.texi: Document the fact that all CONST_INTs with the same
8605 2000-03-30 Richard Henderson <rth@cygnus.com>
8607 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
8609 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
8611 * configure.in: Comment out --enable-c-cpplib stanza.
8612 * configure: Regenerate.
8614 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8616 * expr.c (store_constructor): Properly compute displacement and
8617 alignment when offset is variable.
8619 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
8620 cases of alignment in bytes.
8622 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
8624 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
8625 since it is used to generate c-parse.y.
8626 * objc-parse.c, objc-parse.y: Regenerated.
8628 * function.c (expand_function_end): Pass alignment argument to
8629 emit_block_move in bits, not bytes.
8631 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8633 * expr.c (move_by_pieces_ninsns): Fix one more missing align
8636 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
8638 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
8639 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
8640 * function.c (assign_parms): Likewise.
8641 * integrate.c (expand_inline_function): Likewise.
8642 * stmt.c (expand_decl): Likewise.
8643 (copy_rtx_and_substitute): Likewise.
8644 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
8645 (clear_by_pieces): Fix error in last change.
8646 * emit-rtl.c (init_emit): Set known registers alignment in bits.
8647 * function.h (regno_pointer_align): Now unsigned.
8648 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
8650 * config/i386/i386.c (aligned_operand): Likewise.
8651 * config/sparc/sparc.c (mem_min_alignment): Likewise.
8652 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
8653 (unaligned_memory_operand): Likewise.
8654 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
8655 Also make alignments and sizes unsigned and some whitespace cleanup.
8656 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
8658 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
8659 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
8660 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
8661 (expand_builtin_memset): Likewise, but to clear_storage.
8662 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
8663 (restore_fixed_argument_area): Likewise.
8664 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
8665 (load_register_parameters): Likewise, to emit_group_load.
8666 (expand_call): Likewise, to emit_group_store and emit_block_move.
8667 (emit_library_call_value_1): Likewise, to emit_block_move.
8668 (store_one_arg): Likewise, and to emit_push_insn.
8669 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
8670 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
8671 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
8672 (emit_block_move, emit_group_load, emit_group_store): Likewise.
8673 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
8674 (expand_assigment, store_expr, store_constructor_field): Likewise.
8675 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
8676 (store_constructor, store_field, get_inner_reference): Likewise.
8677 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
8678 (expand_expr, case COMPONENT_REF): Likewise.
8679 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
8680 and positions; reindent code.
8681 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
8682 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
8683 (assign_parms): Likewise to emit_group_store.
8684 * optabs.c (prepare_cmp_insn): Alignment is in bits.
8685 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
8686 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
8687 (expand_return): Likewise to {extract,store}_bit_field.
8688 * stor-layout.c (get_mode_alignment): Minor cleanup.
8689 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
8690 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
8692 2000-03-29 Nick Clifton <nickc@cygnus.com>
8694 * config/arm/arm.h: Undo effects of previous delta:
8695 (ASM_SPEC): Do not define.
8696 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
8698 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
8701 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
8703 * cppinit.c (cpp_start_read): Call initialize_dependency_output
8704 only after reading in the primary source file.
8706 2000-03-29 Geoff Keating <geoffk@cygnus.com>
8708 * c-common.c (c_common_nodes_and_builtins): The first parameter to
8709 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
8710 or a reference to a va_list.
8711 * builtins.c (stabilize_va_list): Simplify now we don't have to
8712 work around C array address decay.
8713 * c-typeck.c (convert_for_assignment): Handle assignment to
8714 a reference parameter by taking the address of the RHS.
8715 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
8716 (va_copy): Likewise.
8717 (__va_copy): Likewise.
8718 * ginclude/varargs.h (va_start): Likewise.
8719 (__va_copy): Likewise.
8721 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
8723 * i386/djgpp.h: Remove extraneous "+".
8725 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
8727 * calls.c (expand_call): Fix typo in last change.
8729 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
8731 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
8734 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8736 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
8737 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
8738 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
8739 * tree.c (bit_position, byte_position): Likewise.
8740 * tree.h: Declare new functions.
8742 2000-03-29 Nick Clifton <nickc@cygnus.com>
8744 * config/arm/arm.c: Minor formatting changes/
8745 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
8747 (ASM_SPEC): Define if not already defined.
8749 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
8751 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
8754 2000-03-29 Jakub Jelinek <jakub@redhat.com>
8756 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
8757 value, don't output it as unsigned.
8759 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
8761 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
8763 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8765 * c-common.c (c_common_nodes_and_builtins): Don't special case
8766 cplus_mode when declaring builtin bzero/bcmp, always avoid
8767 prototype arguments.
8769 2000-03-29 Bruce Korb <bkorb@gnu.org>
8771 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
8774 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
8776 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
8777 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
8778 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
8779 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
8780 (save_fixed_argument_area, restore_fixed_argument_area):
8781 conditionize by #ifdef REG_PARM_STACK_SPACE only.
8782 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
8783 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
8784 (precompute_register_parameters): Avoid #ifdefs on
8785 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
8786 (stire_one_args): Likewise.
8787 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
8788 (emit_library_call_value_1): Likewise.
8789 (compute_argument_block_size): Align to STACK_BOUNDARY only for
8790 ACCUMULATE_OUTGOING_ARGS.
8791 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
8793 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
8794 (use_crosses_set_p): Likewise.
8795 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
8796 #define ACCUMULATE_OUTGOING_ARGS 1.
8797 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
8799 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
8801 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
8802 (TARGET_SWITCHES): Add push-args, no-push-args,
8803 accumulate-outgoing-args and no-accumulate-outgoing-args.
8804 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
8805 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
8806 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
8808 (emit_push_insn): Likewise.
8809 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
8810 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
8811 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
8812 (STACK_DYNAMIC_OFFSET): Define correctly for both
8813 ACCUMULATE_OUTGOING_ARGS and normal mode.
8814 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
8815 * tm.texi (PUSH_ARGS): Document.
8816 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
8818 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
8820 * flags.h (flag_optimize_sibling_calls): Declare.
8821 * calls.c (expand_call): Fail sibcall when
8822 !flag_optimize_sibling_calls
8823 * invoke.texi (flag_optimize_sibling_calls): Document.
8824 * toplev.c (flag_optimize_sibling_calls): New global variable.
8825 (f_options): Add flag_optimize_sibling_calls.
8826 (rest_of_compilation): Conditionize
8827 optimize_sibling_and_tail_recursive_calls by
8828 flag_optimize_sibling_calls.
8829 (main): Set flag_optimize_sibling_calls for -O2.
8830 * stmt.c (expand_return): Conditionize tail recursion by
8831 flag_optimize_sibling_calls.
8833 2000-03-29 Richard Henderson <rth@cygnus.com>
8835 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
8836 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
8838 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
8840 * except.c (add_eh_table_entry): Mark type_info's as referenced.
8842 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8844 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
8846 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
8847 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
8848 * config/rs6000/aix.h: then modified likewise.
8850 2000-03-28 Richard Henderson <rth@cygnus.com>
8852 * rtl.h: Redistribute enum reg_note documentation.
8853 Kill trailing whitespace.
8854 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
8855 Kill trailing whitespace.
8857 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
8859 * cppfiles.c (hash_IHASH): Just return i->hash.
8860 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
8861 htab_find_with_hash.
8862 (cpp_read_file): Likewise.
8863 (find_include_file): Likewise. Properly initialize
8864 ih->nshort. Share ih->name and ih->nshort if possible.
8865 * cpphash.c (_cpp_calc_hash): New function.
8866 (hash_HASHNODE): Just return h->hash.
8867 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
8868 htab_find_with_hash.
8869 * cpphash.h: Prototype _cpp_calc_hash.
8870 * cppinit.c (initialize_builtins): Provide a valid hash
8871 to _cpp_make_hashnode, using _cpp_calc_hash.
8873 * cpphash.c (collect_expansion): # is not a special character
8874 in object-like macros. In -traditional mode, /**/ is not
8875 token paste at the beginning or end of the line.
8876 * cpplib.c (do_include, do_import, do_include_next): If
8877 parse_include fails, return immediately.
8879 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
8881 * config/arm/arm.md (return peepholes): Update to reflect the new
8883 * config/arm/arm.c (arm_volatile_func): Also check
8884 current_function_nothrow.
8885 (output_return_instruction, output_func_prologue): Use it.
8886 (arm_output_epilogue, arm_expand_prologue): Likewise.
8888 2000-03-27 Tom Tromey <tromey@cygnus.com>
8890 * gcc.c (handle_braces): In {x*...} case, break out of loop if
8893 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8895 * expr.c (store_constructor): SIZE now signed.
8896 For EXPR_SIZE, don't evaluate size; just needed if constant.
8897 * fold-const.c (fold): Fix a number of cases when folded tree is
8899 * function.c (flush_addressof): Reenable.
8900 * tree.h (flush_addressof): Likewise.
8901 * toplev.c (independent_decode_option): Look at strings_processed.
8902 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
8904 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
8906 * sibcall.c (indentify_call_return_value): Find last call in the chain;
8907 Allow stack adjustment after function call.
8909 * regmove.c (struct csa_memlist): Make mem field rtx *.
8910 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
8911 (try_apply_stack_adjustment): Replace whole MEM rtx.
8912 (combine_stack_adjustments_for_block): Update calls
8913 to record_one_stack_ref.
8915 2000-03-28 Neil Booth <NeilB@earthling.net>
8917 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
8918 '\\' rather than a null character, so nulls are not special. Fix
8919 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
8920 speed trigraph conversion.
8921 (_cpp_init_input_buffer): Initialize trigraph map.
8923 2000-03-27 Alan Modra <alan@linuxcare.com.au>
8925 * config/i386/i386.c (output_387_binary_op): Correct intel
8926 mode assembly output, and add spaces after commas in AT&T
8927 output. Correct Unixware assembler comment. Document input
8928 constraints. Comment fp operations. Reduce profligate buffer
8929 size. Remove extraneous abort. Localize temp var.
8930 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
8931 (output_fix_trunc): Add spaces after commas in assembly output.
8933 2000-03-27 Richard Henderson <rth@cygnus.com>
8935 * i386-protos.h (ix86_match_ccmode): Declare.
8936 * i386.c (ix86_match_ccmode): New.
8937 (ix86_expand_fp_compare): Update for pattern renames.
8938 (ix86_expand_strlensi_unroll_1): Likewise.
8939 * i386.h (EXTRA_CC_MODES): Add CCZ.
8940 (SELECT_CC_MODE): Use it for EQ/NE zero.
8941 * i386.md (cmpsi_ccz_1): New.
8943 (*testsi_ccz_1): New.
8944 (testqi_ccz_1): New.
8945 (cmpsi_ccno_1): Rename from cmpsi_0.
8946 (testsi_ccno_1): Rename from testsi_1.
8947 (testqi_ccno_1): Rename from testqi_1.
8948 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
8949 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
8950 (*cmphi_0): Use ix86_match_ccmode.
8951 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
8952 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
8953 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
8954 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
8955 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
8956 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
8957 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
8958 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
8959 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
8960 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
8961 (appropriate peepholes): Likewise.
8962 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
8963 (*subsi_3, *subhi_3, *subqi_3): Remove.
8964 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
8965 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
8966 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
8967 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
8968 (x86_shift_adj_1): Use CCZ.
8969 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
8971 2000-03-27 Stan Cox <scox@cygnus.com>
8973 * resource.h (mark_resource_type): New.
8974 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
8975 find_free_register): Use mark_resource_type.
8976 (mark_set_resources): Change include_delayed_effects
8977 to mark_resource_type.
8978 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
8979 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
8980 Use mark_resource_type.
8982 2000-03-27 Richard Henderson <rth@cygnus.com>
8984 * i386.md (call_pop_0, call_value_pop_0): New.
8985 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
8986 (call_value_pop_1): Likewise.
8987 (call_0, call_value_0): New.
8988 (call_1, call_value_1): Remove constraint from unused arg.
8990 2000-03-27 Nick Clifton <nickc@cygnus.com>
8992 * invoke.texi (Spec Files): Document new spec % command created by
8993 Tom Tromey's recent patch.
8995 2000-03-27 Jakub Jelinek <jakub@redhat.com>
8997 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
9000 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9002 * expr.c (expand_assignment): Fix typo in last change.
9004 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
9006 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9008 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
9009 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
9010 and DECL_INLINE if FUNCTION_DECL.
9011 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
9012 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
9013 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
9014 (combine_parm_decls): Likewise.
9015 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
9016 * print-tree.c (print_node): Likewise.
9017 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
9018 DECL_TRANSPARENT_UNION on proper decl types.
9019 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
9020 * stor-layout.c (layout_decl): Only check DECL_PACKED and
9021 DECL_BIT_FIELD of FIELD_DECL.
9022 * tree.h (DECL_RESULT_FLD): New macro.
9024 * expr.c (expand_assignment): Add code to handle variable-sized
9027 2000-03-26 Richard Henderson <rth@cygnus.com>
9029 * calls.c (expand_call): Pass parms not original exp to
9030 optimize_tail_recursion. Mind return value instead of looking
9032 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
9033 call_expr. Move checks for call_expr and current_function_decl ...
9034 (expand_return): ... here.
9036 2000-03-26 Tom Tromey <tromey@cygnus.com>
9038 * gcc.c (handle_braces): Recognize `%{<S}' construct.
9039 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
9041 (process_command): Use them.
9042 (check_live_switch): Likewise.
9043 (give_switch): Skip ignored switches.
9045 2000-03-26 Jan Hubicka <jh@suse.cz>
9047 * jump.c (jump_optimize_1): Fix typo in elide optimizations
9048 for minimal jump pass test.
9050 2000-03-26 Mark Mitchell <mark@codesourcery.com>
9052 * integrate.c (function_cannot_inline_p): Do inline functions that
9055 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9057 * stor-layout.c (layout_type, set_sizetype): early_type_list is
9058 now a list of TREE_LIST entries, not types.
9059 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
9061 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
9062 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
9064 * config/mips/mips.c (function_arg): Likewise; also remove cast
9065 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
9066 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
9067 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
9068 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
9069 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
9070 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
9071 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
9072 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
9073 num_adjusts now unsigned.
9074 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
9075 * config/sparc/sparc.c (struct function_arg_record_value_parms):
9077 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
9078 as is BITPOS variable; use host_integerp and int_bit_position.
9079 (function_arg_record_value_2): Likewise.
9080 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
9081 Variable REGNO now unsigned.
9082 (function_arg_record_value): NREGS now unsigned.
9084 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
9086 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
9088 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9090 * Rework fields used to describe positions of bitfields and
9091 modify sizes to be unsigned and use HOST_WIDE_INT.
9092 * alias.c (reg_known_value_size): Now unsigned.
9093 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
9094 (really_start_incremental_init): Use bitsize_zero_node.
9095 (push_init_level, pop_init_level, output_init_element): Likewise.
9096 Use bitsize_unit_node and bitsize_one_node.
9097 (output_pending_init_elements, process_init_element): Likewise.
9098 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
9099 (make_extraction): Position and length HOST_WIDE_INT and unsigned
9100 HOST_WIDE_INT, respectively.
9101 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
9102 (num_sign_bit_copies): Returns unsigned.
9103 BITWIDTH now unsigned; rework arithmetic.
9104 Remove recursive call from arg to MAX.
9105 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
9106 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
9108 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
9109 (find_split_point, expand_compound_operation, make_extraction): LEN
9110 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
9111 (make_field_assignment): Likewise.
9112 (combine_simplify_rtx): Add cast.
9113 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
9114 (force_to_mode): WIDTH now unsigned; add cast.
9115 (if_then_else_cond): SIZE now unsigned.
9116 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
9117 (extended_count): Now returns unsigned.
9118 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
9119 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
9120 (simplify_comparison): MODE_WIDTH now unsigned.
9121 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
9122 (mark_used_regs_combine): Likewise; rework arithmetic.
9123 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
9124 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
9125 (record_promoted_value): REGNO now unsigned.
9126 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
9127 (get_last_value): REGNO now unsigned.
9128 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
9129 (reg_dead_regno, reg_dead_endregno): Now unsigned.
9130 (remove_death): Arg REGNO now unsigned.
9131 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
9132 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
9134 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
9135 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
9136 (struct cse_reg_info): REGNO now unsigned.
9137 (cached_regno): Now unsigned.
9138 (REGNO_QTY_VALID_P): Add cast.
9139 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
9140 (remove_invalid_regs): Likewise.
9141 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
9142 as are variables END and I.
9143 (get_cse_reg_info, insert): Likewise.
9144 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
9145 (canon_hash): Likewise.
9146 (insert_regs, lookup_for_remove): REGNO now unsigned.
9147 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
9149 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
9150 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
9151 * emit-rtl.c (subreg_realpart_p): Add cast.
9152 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
9153 (operand_subword_force): Arg I is now unsigned.
9154 * except.c (eh_regs): Variable I is now unsigned.
9155 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
9156 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
9157 length is unsigned HOST_WIDE_INT; likewise for internal variables.
9158 (store_split_bit_field, extract_fixed_bit_field): Likewise.
9159 (extract_split_bit_field, store_bit_field, extract_bit_field):
9161 * expr.c (store_constructor_fields, store_constructor, store_field):
9162 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
9163 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
9164 (do_jump): Likewise.
9165 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
9166 MAX_SIZE is now unsigned.
9167 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
9168 (emit_group_store): Likewise.
9169 (emit_move_insn): I now unsigned.
9170 (store_constructor): Use host_integerp, tree_low_cst, and
9172 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
9173 Rework all calculations to use trees and new fields.
9174 * expr.h (promoted_input_arg): Regno now unsigned.
9175 (store_bit_field, extract_bit_field): Adjust types of pos and size.
9176 (mark_seen_cases): Arg is HOST_WIDE_INT.
9177 * flow.c (verify_wide_reg_1): REGNO now unsigned.
9178 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
9179 precisions and alignments are unsigned.
9180 (optimize_bit_field_compare, fold_truthop): Likewise.
9181 (int_const_binop): Adjust threshold for size_int_type_wide call.
9182 (fold_convert): Likewise.
9183 (size_int_type_wide): Make table larger and fix thinko that only
9184 had half of table used.
9185 (all_ones_mask_p, fold): Precisions are unsigned.
9186 * function.c (put_reg_info_stack): REGNO is unsigned.
9187 (instantiate_decl): Size is HOST_WIDE_INT.
9188 (instantiate_virtual_regs): I is unsigned.
9189 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
9190 (promoted_input_arg): REGNO is unsigned.
9191 * function.h (struct function): x_max_parm_reg is now unsigned.
9192 * gcse.c (max_gcse_regno): Now unsigned.
9193 (struct null_pointer_info): min_reg and max_reg now unsigned.
9194 (lookup_set, next_set): REGNO arg now unsigned.
9195 (compute_hash_table): REGNO and I now unsigned.
9196 (handle_avail_expr): regnum_for_replacing now unsigned.
9197 (cprop_insn): REGNO now unsigned.
9198 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
9199 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
9200 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
9201 * hard-reg-set.h (reg_class_size): Now unsigned.
9202 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
9203 * jump.c (mark_modified_reg): I now unsigned; add cast.
9204 (rtx_equal_for_thread_p): Add cast.
9205 * loop.c (max_reg_before_loop): Now unsigned.
9206 (struct_movable): REGNO now unsigned.
9207 (try_copy_prop): REGNO arg unsigned.
9208 (regs_match_p): XN and YN now unsigned.
9209 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
9210 (strength_reduce): Likewise; NREGS also unsigned.
9211 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
9212 * loop.h (struct iv_class): REGNO now unsigned.
9213 (max_reg_before_loop, first_increment_giv, last_increment_giv):
9215 * machmode.h (mode_size, mode_unit_size): Now unsigned.
9216 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
9217 * optabs.c (expand_binop): I and NWORDS now unsigned.
9218 (expand_unop): I now unsigned.
9219 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
9220 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
9221 * real.c (significand_size): Now returns unsigned.
9222 * real.h (significand_size): Likewise.
9223 * regclass.c (reg_class_size): Now unsigned.
9224 (choose_hard_reg_mode): Both operands now unsigned.
9225 (record_reg_classes): REGNO and NR now unsigned.
9226 (reg_scan): NREGS now unsigned.
9227 (reg_scan_update): old_max_regno now unsigned.
9228 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
9229 * reload.c (find_valid_class): BEST_SIZE now unsigned.
9230 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
9231 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
9232 Likewise for variable R.
9233 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
9234 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
9235 (find_equiv_reg): Add casts.
9236 (regno_clobbered_p): Arg REGNO now unsigned.
9237 * reload.h (struct reload): NREGS now unsigned.
9238 (refers_to_regno_for_reload_p): Regno args are unsigned.
9239 (regno_clobbered_p): Likewise.
9240 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
9241 (compute_use_by_pseudos): REGNO now unsigned.
9242 (find_reg): I and J now unsigned, new variable K, and change loop
9243 variables accordingly; THIS_NREGS now unsigned.
9244 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
9245 (spill_hard_reg): REGNO arg now unsigned; add casts.
9246 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
9247 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
9248 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
9249 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
9250 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
9251 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
9252 (emit_reload_insns): REGNO now unsigned.
9253 (reload_cse_move2add): Add cast.
9254 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
9256 * resource.c (mark_referenced_resources, mark_set_resources): New
9257 variable R; REGNO and LAST_REGNO now unsigned.
9258 (mark_target_live_regs): J and REGNO now unsigned.
9259 * rtl.c (mode_size, mode_unit_size): Now unsigned.
9260 * rtl.h (union rtunion_def): New field rtuint.
9261 (XCUINT): New macro.
9262 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
9263 (operand_subword, operand_subword_force): Word number is unsigned.
9264 (choose_hard_reg_mode): Operands are unsigned.
9265 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
9266 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
9267 (regno_use_in, combine_instructions, remove_death): Likewise.
9268 (reg_scan, reg_scan_update): Likewise.
9269 (extended_count): Return is unsigned.
9270 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
9271 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
9272 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
9273 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
9274 (reg_reg_last_1): FIRS and LAST now unsigned.
9275 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
9276 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
9278 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
9279 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
9280 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
9281 (replace_regs): Arg NREGS now unsigned.
9282 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
9283 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
9284 (simplify_binary_operation): Likewise.
9285 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
9286 THIS_LAST now unsigned.
9287 (cselib_record_set): Add cast.
9288 * ssa.c (ssa_max_reg_num): Now unsigned.
9289 (rename_block): REGNO now unsigned.
9290 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
9292 (all_cases_count): Just return -1 not -2.
9293 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
9294 Rework tests to use trees whenever possible.
9295 Use host_integerp and tree_low_cst.
9296 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
9297 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
9298 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
9299 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
9300 (smallest_mode_for_size): Likewise.
9301 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
9302 KNOWN_ALIGN is now an alignment, so simplify code.
9303 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
9304 (start_record_layout): Renamed from new_record_layout_info.
9305 Update to new fields.
9306 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
9308 (place_union_field): Renamed from layout_union_field.
9309 Update to use new fields in rli.
9310 (place_field): Renamed from layout_field.
9311 Major rewrite to use new fields in rli; pass alignment to layout_decl.
9312 (finalize_record_size): Rework to use new fields in rli and handle
9314 (compute_record_mode): Rework to simplify and to use new DECL fields.
9315 (finalize_type_size): Make rounding more consistent.
9316 (finish_union_layout): Deleted.
9317 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
9318 (layout_type, case RECORD_TYPE): Call new function names.
9319 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
9320 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
9321 (get_best_mode): UNIT is now unsigned; remove casts.
9322 * tree.c (bit_position): Compute from new fields.
9323 (byte_position, int_byte_position): New functions.
9324 (print_type_hash_statistics): Cast to remove warning.
9325 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
9326 (build_index_type): Likewise; make subtype of sizetype.
9327 (build_index_2_type): Pass sizetype to build_range_type.
9328 (build_common_tree_nodes): Use size_int and bitsize_int to
9329 initialize nodes; add bitsize_{zero,one,unit}_node.
9330 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
9331 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
9332 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
9333 (DECL_FIELD_BITPOS): Deleted.
9334 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
9335 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
9336 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
9337 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
9338 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
9339 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
9340 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
9341 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
9342 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
9343 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
9344 (DECL_ALIGN): Adjust to new field in union.
9345 (DECL_OFFSET_ALIGN): New field.
9346 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
9347 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
9348 (union tree_decl): Add struct for both aligns.
9349 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
9350 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
9351 (struct record_layout_info): Rework fields to have offset
9352 alignment and byte and bit position.
9353 (start_record_layout, place_field): Renamed from old names.
9354 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
9355 (byte_position, int_byte_position): Likewise.
9356 (get_inner_reference): Change types of position and length.
9357 * unroll.c (unroll_loop): New variable R; use for some loops.
9358 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
9359 (calculate_giv_inc): Arg REGNO now unsigned.
9360 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
9361 * varasm.c (assemble_variable): Clean up handling of size using
9362 host_integerp and tree_low_cst.
9363 (decode_addr_const): Use byte, not bit, position.
9364 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
9365 use tree_low_cst and int_bit_position.
9366 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
9368 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
9370 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
9371 (reorder_block_def): New members eff_head and eff_end.
9372 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
9373 (verify_insn_chain): New function.
9374 (skip_insns_between_block): Add code to skip deleted insns.
9375 Check for note before using.
9376 (chain_reorder_blocks): Replace calls to skip_insns_between_block
9377 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
9378 Check for note before using.
9379 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
9380 (fixup_reorder_chain): Restructure, clean up, defect removal.
9381 (reorder_basic_blocks): Remove last_insn and references to it.
9382 Moved insn chain verification code into a new function (see above).
9383 Delete defective code that sets last insn.
9384 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
9387 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9389 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
9391 2000-03-24 Richard Henderson <rth@cygnus.com>
9393 * tree.c (lang_safe_for_unsave): Remove.
9394 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
9395 allowing for two levels of unsafeness. Remove lang hook.
9396 * tree.h: Update declarations.
9397 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
9398 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
9399 Always fail sibcalls when there are pending cleanups.
9401 2000-03-24 Geoff Keating <geoffk@cygnus.com>
9403 * flow.c (propagate_block): When we delete an ADDR_VEC,
9404 also delete the BARRIER following it if there is one.
9406 2000-03-24 Richard Henderson <rth@cygnus.com>
9408 * builtins.c (expand_builtin_bzero): Convert `length' argument
9411 2000-03-24 Jakub Jelinek <jakub@redhat.com>
9413 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
9414 comparison if regno's are equal.
9415 * calls.c (initialize_argument_informat): Add ecf_flags argument.
9416 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
9417 (expand_call): Update caller.
9418 Avoid making a sibling call if argument size of the callee is larger
9419 than argument size of the caller.
9420 Call hard_function_value with outgoing set if in sibcall pass.
9421 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
9423 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
9424 Change LEAF_REGISTERS from an array initializer to actual array
9425 identifier. Move static global variable into the function.
9426 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
9427 sequences for leaf functions.
9428 * global.c (global_alloc): Likewise.
9429 * tm.texi (LEAF_REGISTERS): Update documentation.
9431 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
9432 TARGET_FLAT leaf disabling hack.
9433 (LEAF_REGISTERS): Changed from an array initializer to actual array
9434 identifier to avoid duplication and remove the above hack.
9435 (FUNCTION_OK_FOR_SIBCALL): Define.
9436 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
9437 always like call attribute.
9438 (eligible_for_sibcall_delay): New attribute.
9439 (sibcall): New delay type.
9440 (sibcall, sibcall_value, sibcall_epilogue): New expands.
9441 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
9442 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
9443 * config/sparc/sparc.c (sparc_leaf_regs): New array.
9444 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
9446 (output_function_epilogue): Move part of the code into
9447 output_restore_regs.
9448 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
9450 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
9453 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
9454 until infrastructure is finished.
9456 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
9458 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
9459 (save_parm_insns): Not here.
9461 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9463 * builtins.c (expand_builtin_bzero): New function.
9464 (expand_builtin): Handle bzero.
9466 * builtins.def: Add BUILT_IN_BZERO.
9468 * c-common.c (c_common_nodes_and_builtins): Provide builtin
9469 prototype & function for bzero.
9471 2000-03-23 Michael Meissner <meissner@redhat.com>
9473 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
9474 change adding TARGET_FP to the TF floating point insns, except for
9475 trunctfsf2, which generates direct calls to truncdfsf2.
9477 2000-03-23 Geoff Keating <geoffk@cygnus.com>
9479 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
9480 try to protect against middle-end changes that break binary
9482 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
9484 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9486 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
9488 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9490 * calls.c (expand_call): If TARGET is passed by reference and
9491 is readonly, write a CLOBBER.
9493 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9495 * builtins.c (expand_builtin): Handle bcmp.
9497 * builtins.def: Add BUILT_IN_BCMP.
9499 * c-common.c (c_common_nodes_and_builtins): Provide builtin
9500 prototype & function for bcmp.
9502 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
9504 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
9505 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
9506 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
9508 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
9510 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
9511 alternative when using -fp64 -gp32.
9513 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
9515 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
9516 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
9517 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
9519 * frame.h (frame_state): Revert last change.
9520 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
9521 * libgcc2.c (throw_helper): Revert last change.
9523 2000-03-22 Richard Henderson <rth@cygnus.com>
9525 * stmt.c (expand_asm_operands): Don't promote the temporary.
9527 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
9529 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
9530 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
9531 c_get_alias_set): Likewise.
9532 * c-decl.c (duplicate_decls): Likewise.
9533 * c-typeck.c (default_conversion,build_unary_op): Likewise.
9534 * calls.c (initialize_argument_information): Likewise.
9535 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
9537 * dwarfout.c (decl_class_context,output_type): Likewise.
9538 * expr.c (get_inner_reference): Likewise.
9539 * fold-const.c (simple_operand_p,fold): Likewise.
9540 * function.c (aggregate_value_p): Likewise.
9541 * stmt.c (expand_asm_operands): Likewise.
9542 * varasm.c (named_section): Likewise.
9544 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
9546 Implement dwarf2 exception handling for the ARM.
9547 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
9548 (DWARF_FRAME_RETURN_COLUMN): Define.
9549 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
9550 REG_FRAME_RELATED_EXPR note.
9551 (emit_sfm): Likewise.
9552 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
9553 * dwarf2out.c (reg_save): Handle saving a register to itself.
9554 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
9555 * except.c (eh_regs): Don't use the static chain reg if it's
9557 * frame.h (frame_state): Add cfa_saved field.
9558 * frame.c (execute_cfa_insn): Set it.
9559 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
9561 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
9563 (instantiate_virtual_regs): Adjust.
9565 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
9566 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
9567 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
9569 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
9570 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
9572 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9574 * builtins.def: New file.
9576 * Makefile.in (TREE_H): Depend on builtins.def.
9578 * builtins.c (built_in_names): Use builtins.def.
9580 * tree.h (built_in_function): Likewise.
9582 2000-03-22 Mark Mitchell <mark@codesourcery.com>
9584 * tree.c (size_in_bytes): Return size_zero_node, not
9587 2000-03-22 Geoff Keating <geoffk@cygnus.com>
9589 * config/fp-bit.c (pack_d): Correct the case when a denormal
9590 is rounded up and stops being denormal.
9592 2000-03-21 Richard Henderson <rth@cygnus.com>
9594 * config/alpha/alpha.c (function_arg): Check for void_type_node
9595 before using MUST_PASS_IN_STACK.
9597 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
9599 * regmove.c (combine_stack_adjustments_for_block): Check that
9600 the stack pointer is a valid memory address.
9602 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
9604 * calls.c: re-install Mar 16 emit_library_call merge.
9606 2000-03-21 Jakub Jelinek <jakub@redhat.com>
9608 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
9609 we cannot be sure that if reload_completed base register will
9610 be properly aligned.
9612 2000-03-21 Richard Henderson <rth@cygnus.com>
9614 * flow.c (delete_block): Fix typo last change.
9616 2000-03-21 Mark Mitchell <mark@codesourcery.com>
9618 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
9619 not COMPLETE_TYPE_P, to check the type of the expression.
9621 2000-03-21 Michael Meissner <meissner@redhat.com>
9623 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
9624 all floating point insns that just tested the macro
9625 TARGET_HAS_XFLOATING_LIBS.
9626 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
9627 used to only use the gprs.
9629 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
9631 * tree.h (COMPLETE_TYPE_P): New macro.
9632 (COMPLETE_OR_VOID_TYPE_P): New macro.
9633 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
9634 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
9635 * c-aux-info.c (gen_type): Use them.
9636 * c-common.c (c_expand_expr_stmt): Likewise.
9637 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
9638 grokdeclarator, grokparms, finish_struct, start_function,
9639 store_parm_decls, combine_parm_decls): Likewise.
9640 * c-parse.y (cast_expr): Likewise.
9641 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
9642 c_size_in_bytes, c_alignof, build_component_ref,
9643 build_indirect_ref, build_array_ref, convert_arguments,
9644 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
9645 * calls.c (initialize_argument_information): Likewise.
9646 * convert.c (convert_to_integer): Likewise.
9647 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
9648 * dwarfout.c (location_or_const_value_attribute,
9649 output_enumeration_type_die, output_structure_type_die,
9650 output_union_type_die, output_type): Likewise.
9651 * expr.c (safe_from_p, expand_expr): Likewise.
9652 * function.c (assign_parms): Likewise.
9653 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
9654 * tree.c (build_array_type, build_function_type,
9655 build_method_type, build_offset_type, build_complex_type): Likewise.
9656 * c-parse.c, c-parse.h: Regenerated.
9658 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9660 * config/c4x/rtems.h: Include config/rtems.h.
9662 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
9664 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
9665 decl is a FUNCTION_DECL
9667 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
9669 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
9670 function uses output registers. Don't save RP for leaf functions.
9671 Do save RP even if no epilogue.
9672 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
9673 (CALL_USED_REGISTERS): Unmark in registers.
9674 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
9677 2000-03-20 Geoff Keating <geoffk@cygnus.com>
9679 * config/rs6000/rs6000.md (bunordered): New expander.
9680 (bordered): New expander.
9681 (buneq): New expander.
9682 (bunge): New expander.
9683 (bungt): New expander.
9684 (bunle): New expander.
9685 (bunlt): New expander.
9686 (bltgt): New expander.
9688 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
9689 (ccr_bit_negated_p): New function.
9690 (print_operand): For %C, generate appropriate cror for UNEQ,
9691 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
9693 2000-03-20 Andreas Jaeger <aj@suse.de>
9695 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
9698 * tree.h (safe_for_unsave): Prototype.
9700 2000-03-20 Richard Henderson <rth@cygnus.com>
9702 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
9703 (combine_stack_adjustments_for_block): Don't allow sp references
9704 in the side of a set we're not fixing up.
9705 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
9706 after life_analysis.
9708 2000-03-20 Richard Henderson <rth@cygnus.com>
9710 * calls.c (expand_call): Don't bother generating tail call
9711 sequences if there are pending cleanups. Use
9712 expand_start_target_temps/expand_end_target_temps to elide
9713 cleanups created during sibcall expansion.
9715 2000-03-20 Geoff Keating <geoffk@cygnus.com>
9717 * configure.in: Set $IFS to a value if it doesn't already have one
9718 in the --enable-checking handling.
9719 * configure: Regenerate.
9721 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9723 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
9724 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
9727 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
9729 * jump.c (delete_noop_moves): Remove code attempting to
9730 combine stack adjustments.
9732 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9734 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
9735 * except.c (emit_cleanup_handler): Use them.
9736 (expand_end_all_catch): Likewise.
9737 * function.c (fixup_var_refs): Likewise.
9738 (expand_function_end): Clear catch_clauses_last.
9739 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
9740 * except.h (struct eh_status): New field x_catch_clauses_last.
9741 (catch_clauses_last): New define.
9743 * Makefile.in (tree.o): Depend on HASHTAB_H.
9744 * tree.c: Include hashtab.h.
9745 (struct type_hash): Remove next field.
9746 (TYPE_HASH_SIZE): Remove.
9747 (TYPE_HASH_INITIAL_SIZE): New define.
9748 (type_hash_table): Change type to htab_t.
9749 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
9750 mark_hash_entry): New functions.
9751 (init_obstacks): Allocate type hash.
9752 (type_hash_lookup): Use htab functions.
9753 (type_hash_add, mark_type_hash): Likewise.
9754 (dump_tree_statistics): Call print_type_hash_statistics.
9756 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9758 * rs6000/t-aix41: New file.
9760 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
9762 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
9764 * tm.texi (Driver): Fix typos and tweak entry for
9766 Move misplaced STRUCT_FORCE_BLK entry ...
9767 (Storage Layout): ... to here.
9768 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
9770 2000-03-19 Richard Henderson <rth@cygnus.com>
9772 * flow.c (delete_block): Delete the addr_vec along with the block.
9773 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
9776 * fold-const.c (extract_muldiv): Apply type check for defined
9777 overflow to multiply as well as divide.
9779 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
9781 2000-03-18 Mark Mitchell <mark@codesourcery.com>
9783 * emit-rtl.c (remove_unncessary_notes): Check that all
9784 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
9785 associated NOTE_BLOCK.
9786 * function.h (identify_blocks): Update comments.
9787 (reorder_blocks): Declare.
9788 * function.c (identify_blocks): Don't take paramters.
9789 (reorder_blocks): Don't take parameters.
9790 * loop.h (find_loop_tree_blocks): Remove.
9791 (unroll_block_trees): Likewise.
9792 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
9793 reorder_blocks instead of unroll_block_trees.h
9794 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
9795 * stmt.c (find_loop_tree_blocks): Remove.
9796 (unroll_block_trees): Likewise.
9797 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
9798 in whole-function mode.
9799 * tree.h (reorder_blocks): Remove declaration.
9801 * expr.c: Include intl.h.
9802 * Makefile.in (expr.o): Depend on intl.h.
9804 2000-03-18 Richard Henderson <rth@cygnus.com>
9806 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
9808 2000-03-18 Mark Mitchell <mark@codesourcery.com>
9810 * tree.h (tree_index): Remove enumerals for integer types.
9811 (integer_type_kind): New type.
9812 (integer_types): New variable.
9813 (char_type_node): Adjust.
9814 (signed_char_type_node): Likewise.
9815 (unsigned_char_type_node): Likewise.
9816 (short_integer_type_node): Likewise.
9817 (short_unsigned_type_node): Likewise.
9818 (integer_type_node): Likewise.
9819 (unsigned_type_node): Likewise.
9820 (long_integer_type_node): Likewise.
9821 (long_unsigned_type_node): Likewise.
9822 (long_long_integer_type_node): Likewise.
9823 (long_long_unsigned_type_node): Likewise.
9824 * tree.c (integer_types): New variable.
9825 (init_obstacks): Register it as a root.
9827 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
9829 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
9830 NEXT_INSN. Update last insn in chain.
9832 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
9834 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
9835 with TYPE_DECL_SUPPRESS_DEBUG set.
9837 2000-03-18 Richard Henderson <rth@cygnus.com>
9839 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
9841 2000-03-18 Richard Henderson <rth@cygnus.com>
9843 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
9844 care for HALF_PIC_P.
9845 (expander_call_insn_operand): Remove.
9846 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
9847 * i386.h (PREDICATE_CODES): Update.
9848 * i386.md (all call expanders): Remove predicates, remove special
9849 handling for half-pic.
9850 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
9851 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
9852 (sibcall_epilogue): New.
9854 2000-03-17 Richard Henderson <rth@cygnus.com>
9856 * rtlanal.c (single_set): Reject if the parallel has anything
9857 except SET or USE or CLOBBER.
9859 2000-03-17 Jeff Law <law@cygnus.com>
9860 Richard Henderson <rth@cygnus.com>
9862 * Makefile.in (OBJS): Add sibcall.o.
9864 * sibcall.c: New file.
9865 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
9866 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
9867 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
9868 Emit sibcall patterns when requested. Update all callers.
9869 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
9870 elimination seems feasable.
9871 * final.c (leaf_function_p): Sibling calls don't discount being
9873 * flow.c (HAVE_sibcall_epilogue): Provide default.
9874 (find_basic_blocks_1): Sibling calls don't throw.
9875 (make_edges): Make edge from sibling call to EXIT.
9876 (propagate_block): Don't remove sibcall_epilogue insns.
9877 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
9878 (sibcall_epilogue): New.
9879 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
9880 (identify_blocks_1): Likewise. Break out from ...
9881 (identify_blocks): ... here.
9882 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
9883 (reorder_blocks): ... here.
9884 (init_function_for_compilation): Zap prologue/epilogue as varrays.
9885 (record_insns): Extend a varray instead of mallocing new memory.
9886 (contains): Read a varray not array of ints.
9887 (sibcall_epilogue_contains): New.
9888 (thread_prologue_and_epilogue_insns): Emit and record
9889 sibcall_epilogue patterns.
9890 (init_function_once): Allocate prologue/epilogue varrays.
9891 * genflags.c (gen_insn): Treat sibcall patterns as calls.
9892 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
9894 (save_for_inline_nocopy): ... here.
9895 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
9897 (expand_inline_function): ... here.
9898 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
9899 (subst_constants): Handle 'n' formats.
9900 * jump.c (jump_optimize_minimal): New.
9901 (jump_optimize_1): New arg `minimal'; update callers. Elide most
9902 optimizations if it's set.
9903 * rtl.c (copy_rtx): Do copy jump & call for insns.
9904 * rtl.h (struct rtx_def): Document use of jump and call for insns.
9905 (SIBLING_CALL_P): New.
9906 (sibcall_use_t): New.
9907 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
9908 Invoke optimize_sibling_and_tail_recursive_calls.
9909 * tree.c (lang_safe_for_unsave): New.
9910 (safe_for_unsave): New.
9911 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
9913 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
9914 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
9915 (*sibcall_osf_1, *sibcall_value_osf_1): New.
9917 2000-03-17 Mark Mitchell <mark@codesourcery.com>
9919 * objc/objc-act.c (encode_method_prototype): Pass types, not
9920 PARM_DECLs, to int_size_in_bytes.
9922 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
9924 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
9926 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
9927 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
9929 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9931 * Clean up usages of TREE_INT_CST_LOW.
9932 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
9933 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
9935 * c-tree.h (min_precision): Move declaration to here.
9936 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
9937 (build_unary_op, add_pending_init): Use bit_position.
9938 (pending_init_member, process_init_element): Likewise.
9939 (really_start_incremental_init, push_init_level, pop_init_level):
9940 Don't make copies of nodes or modify them in place, use consistent
9941 types when tracking positions, and use tree routines computations.
9942 (set_init_index, output_init_element): Likewise.
9943 (output_pending_init_elements, process_init_element): Likewise.
9944 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
9945 tree_low_cst and int_bit_position; also minor cleanup.
9946 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
9947 (print_cst_octal): Precision is unsigned.
9948 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
9949 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
9950 (simple_type_align_in_bits): Result is unsigned int.
9951 Use tree_int_low_cst and host_integerp.
9952 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
9953 (field_byte_offset): Result is HOST_WIDE_INT.
9954 Change types of internal variables so alignments are unsigned int,
9955 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
9956 Use host_integerp, tree_low_cst, and int_bit_position.
9957 (add_bit_offset_attribute): Likewise.
9958 (add_data_member_location_attribute): Use tree_cst_low.
9959 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
9960 (add_bit_size_attribute): Use tree_low_cst.
9961 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
9962 * dwarfout.c: Similar changes to dwarf2out.c.
9963 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
9964 * genoutput.c (n_occurences): Return -1 for null string.
9965 (strip_whitespace): Accept null string and make into function.
9966 (scan_operands): Reflect above changes.
9967 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
9968 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
9969 * ssa.c (rename_registers): Add missing cast of arg to bzero.
9970 * tree.c (int_size_in_bytes): Check for too big to represent.
9971 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
9972 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
9974 (min_precision): Delete from here.
9975 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
9976 and int_bit_position.
9977 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
9978 (encode_method_def): Likewise.
9979 (build_ivar_list_initializer): Use int_bit_position.
9980 (generate_shared_structures): Convert size.
9981 (encode_type, encode_complete_bitfield): Use integer_zerop.
9982 (encode_bitfield): Use tree_low_cst and int_bit_position.
9984 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9986 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
9988 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9990 * call.c (special_function_p): It is only malloc if it returns
9993 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9995 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
9996 (C33_FLAG, TARGET_C3X): Add macros.
9997 (TARGET_SWITCHES): Add -m33 option.
9998 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
10000 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10002 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
10003 (PARALLEL_PACK_FLAG): Delete.
10004 (TARGET_SWITCHES): Update.
10005 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
10007 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10009 * fold-const.c (fold): Fix a few cases when the returned result
10010 is not of the same type as the input.
10012 2000-03-16 Nick Clifton <nickc@cygnus.com>
10014 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
10017 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10019 * libgcc2.h: Move prototypes above macros with the same name.
10020 Wrap some function prototypes in the conditional which indicates
10021 whether they are supported, i.e. "BITS_PER_UNIT == 8".
10023 2000-03-16 Richard Henderson <rth@cygnus.com>
10025 * calls.c: Revert last two changes.
10027 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
10029 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
10030 has exponent 0 is a zero.
10032 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
10033 HASH may already be nonzero. Add code/mode into hash value
10034 immediately after repeat label.
10035 (cselib_lookup): Don't leave the hash table in an inconsistent
10036 state before a hash lookup operation.
10038 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
10040 * i386.md (all HI and QI mode non-move patterns): Conditionize
10041 by TARGET_[HQ]IMODE_MATH.
10042 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
10043 x86_promote_qi_regs): Declare.
10044 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
10045 TARGET_PROMOTE_QI_REGS): New macros.
10046 (PROMOTE_MODE): New macro.
10047 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
10048 x86_promote_qi_regs): New global variables.
10050 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
10052 * calls.c (emit_library_call_value_1): Break out from ...; handle
10053 VOIDmode function calls too.
10054 (emit_library_call_value): ... here.
10055 (emit_library_call): Implement by calling emit_library_call_value_1.
10057 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
10059 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
10060 Update arg_space_so_far on stack adjustments.
10061 (emit_library_call, emit_library_call_value): Likewise; take into
10062 account arg_space_so_far and pending_stack_adjust when calculcating
10065 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
10067 * flow.c: Move all basic block reordering code into its own file.
10068 (create_basic_block): Externalize.
10069 * bb-reorder.c: New file. Copy all basic block reordering code from
10070 flow.c to this file.
10071 (reorder_basic_blocks): Fix fencepost error in for-loop.
10072 (reorder_basic_blocks): Remove braces from single statement for-loops.
10073 * basic-block.h: Add declaration for create_basic_block.
10074 * Makefile.in: Add rules for bb-reorder.o.
10076 2000-03-16 Neil Booth <NeilB@earthling.net>
10078 * cppinit.c (handle_option): Implement #unassert directive
10079 as -A- command line option.
10080 (print_help): Update.
10081 * cpptexi.c: Update.
10083 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
10085 * md.texi (Standard Names): Document `jump'.
10087 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
10089 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
10092 2000-03-15 Geoff Keating <geoffk@cygnus.com>
10094 Merge changes from newppc-branch onto trunk.
10096 2000-03-15 Geoff Keating <geoffk@cygnus.com>
10098 * rs6000.c (toc_hash_table): Update for new hash table functions.
10099 (toc_hash_function): Likewise.
10100 (toc_hash_eq): Likewise.
10101 (toc_hash_mark_entry): Likewise.
10102 (toc_hash_mark_table): Likewise.
10103 (output_toc): Likewise.
10104 (rs6000_add_gc_roots): Likewise.
10106 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10108 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
10109 (AR_FLAGS_FOR_TARGET): here. New macro.
10111 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
10113 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
10114 fpmem_operand) Delete.
10116 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
10117 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
10118 (rs6000_save_machine_status, rs6000_restore_machine_status,
10119 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
10120 references to above variables.
10121 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
10122 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
10123 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
10124 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
10125 (XER_REGNO_P, XER_REGNO): New.
10126 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
10127 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
10128 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
10130 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
10131 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
10132 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
10134 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10136 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
10137 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
10138 * rs6000.h: from here.
10140 * rs6000-protos.h (rs6000_select_section): Provide prototype.
10141 (rs6000_select_rtx_section): Likewise.
10142 (rs6000_encode_section_info): Likewise.
10143 (sdata_section): Likewise.
10144 (sdata2_section): Likewise.
10145 (sbss_section): Likewise.
10146 * sysv4.h (rs6000_select_section): Delete prototype.
10147 (rs6000_select_rtx_section): Likewise.
10148 (rs6000_encode_section_info): Likewise.
10149 (sdata_section): Likewise.
10150 (sdata2_section): Likewise.
10151 (sbss_section): Likewise.
10152 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
10154 * sysv4.h: Delete various unnecessary #undef's and put a comment
10155 on the remaining ones.
10156 Change various comments according to coding standard.
10158 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
10160 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
10161 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
10162 (CR0_REGNO_P) Remove.
10163 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
10164 setup_incoming_varargs, mtcrf_operation, print_operand,
10165 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
10166 Use the above macros.
10168 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
10170 * config/rs6000/rs6000.md: Added a new alternative for each
10171 pattern that had a 'x' alternative but no 'y' alternative.
10172 Added a new split for each of the above patterns.
10174 2000-02-18 Geoff Keating <geoffk@cygnus.com>
10176 * aix41.h (ASM_CPU_SPEC): Delete.
10177 (CPP_CPU_SPEC): Delete.
10179 * aix.h (RS6000_OUTPUT_BASENAME): Define.
10180 (ASM_OUTPUT_LABEL): Define.
10181 (ASM_GLOBALIZE_LABEL): Define.
10182 (STRIP_NAME_ENCODING): Define.
10183 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
10184 (STRIP_NAME_ENCODING): Don't define.
10185 (ASM_OUTPUT_LABEL): Don't define.
10186 (ASM_GLOBALIZE_LABEL): Don't define.
10187 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
10188 names, and ASM_OUTPUT_LABEL to output labels, rather than
10190 (ASM_OUTPUT_LABEL): Define.
10191 (ASM_OUTPUT_INT): Use assemble_name.
10192 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
10193 (STRIP_NAME_ENCODING): Don't undefine first.
10194 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
10196 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
10197 specified with 'asm' even with -fleading-underscore.
10198 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
10199 (output_epilog): Likewise.
10200 (output_toc): Likewise.
10201 * tramp.asm: Handle -fleading-underscore correctly.
10203 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
10205 (nonlocal_goto_receiver): Delete.
10206 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
10208 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
10209 (SET_ASM_OP): Define.
10210 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
10212 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
10213 (ASM_LONG): Define.
10215 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
10216 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
10218 * rs6000.h: Add 'u' to more constants.
10220 2000-02-18 David Edelsohn <edelsohn@gnu.org>
10222 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
10224 2000-02-15 David Edelsohn <edelsohn@gnu.org>
10226 * rs6000.c (reg_or_u_cint_operand): New function.
10227 (logical_operand): Handle 64-bit hosts.
10228 (logical_u_operand): New function.
10229 (non_logical_cint_operand): Handle 64-bit hosts.
10230 (non_logical_u_cint_operand): New function.
10231 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
10232 (PREDICATE_CODES): Define new functions.
10233 * rs6000-protos.h: Declare new functions.
10234 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
10235 (movdi_64): Bracket code intended for 64-bit hosts. Create
10236 CONST_DOUBLE for 32-bit values.
10237 (scc insns): Generate DImode compares.
10238 (mfcr insns): Create DImode versions.
10239 (sge matchers): New patterns.
10241 2000-02-15 Gabriel Paubert <paubert@iram.es>
10243 * rs6000.md: Correct instructions length attributes and
10244 constraints on unsigned compare instructions.
10245 (*ne0): Disable for PowerPC64.
10247 2000-02-11 Geoff Keating <geoffk@cygnus.com>
10249 * rs6000.c (output_function_profiler): Use .long for a 32-bit
10250 quantity, fix profile1.C test failure under -fPIC.
10252 * rs6000.c: Add 'u' to many constants to suppress warnings.
10253 (constant_pool_expr_1): Make static.
10254 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
10255 * rs6000.h: Add 'u' to many constants to suppress warnings.
10257 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
10258 for the start of the TOC, instead of LCTOC..0.
10259 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
10261 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
10262 (load_toc_aix_di): Use LCTOC..1.
10264 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
10265 * rs6000.c (rs6000_legitimize_address): New function from
10266 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
10267 symbols in the constant pool that really are TOC references.
10268 (print_operand_address): For ELF, write TOC offsets under
10269 -fPIC as subtractions in the insn.
10270 (output_toc): For ELF, define symbols in TOC as normal labels,
10272 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
10273 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
10274 (create_TOC_reference): Prototype only when RTX_CODE is defined.
10275 * rs6000.md (movsi): Only use create_TOC_reference on
10276 symbols in the constant pool that really are TOC references.
10278 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
10279 * rs6000.c (rs6000_reorg): Delete.
10280 * rs6000-protos.h (rs6000_reorg): Delete.
10282 2000-02-09 Geoff Keating <geoffk@cygnus.com>
10284 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
10286 * aix.h (SETUP_FRAME_ADDRESSES): Define.
10287 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
10288 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
10289 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
10290 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
10291 rs6000_aix_emit_builtin_unwind_init.
10292 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
10293 rs6000_emit_eh_toc_restore on AIX.
10294 (return_eh_si): Use r2.
10295 (return_eh_di): Use r2.
10297 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
10298 since we're breaking binary compatibility anyway.
10300 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
10302 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
10303 constant_pool_expr_p): Declare them.
10304 (constant_pool_expr_p): Declare it.
10305 * config/rs6000/rs6000.c (toc_label_name): Define.
10306 (rs6000_override_options): Set toc_label_name.
10307 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
10308 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
10309 uses_TOC): New functions.
10310 (print_operand): Delete old '*' case.
10311 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
10312 and strip off rtl for TOC before calling output_addr_const.
10313 (rs6000_emit_load_toc_table): Use toc_label_name.
10314 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
10316 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
10317 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
10318 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
10319 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
10320 into explicit TOC_REGISTER offsets.
10321 (TOC_REGISTER): New macro.
10322 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
10323 TARGET_TOC to reference TOC_REGISTER.
10324 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
10325 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
10326 uses_TOC before emitting label references.
10328 2000-02-05 Geoff Keating <geoffk@cygnus.com>
10330 * rs6000.md (stack_tie): Fix warning.
10332 * eabi-ctors.c: Use 'asm' names for the start/end variables,
10333 to handle -fleading-underscore.
10334 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
10335 (USER_LABEL_PREFIX): New macro.
10336 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
10337 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
10338 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
10339 call-linux can use the same multilibs.
10340 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
10341 and call-linux multilibs. Do multilib with -fleading-underscore.
10342 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
10343 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
10346 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
10347 have MASK_SOFT_FLOAT set.
10348 (CPP_FLOAT_DEFAULT_SPEC): New macro.
10349 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
10350 CPP_FLOAT_DEFAULT_SPEC.
10352 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
10353 * rs6000.md: Whitespace change.
10354 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
10355 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
10357 2000-02-05 Geoff Keating <geoffk@cygnus.com>
10359 * rs6000.md (eh_epilogue): New expander.
10360 (eh_reg_restore): New expand/split/insn combination.
10361 (return_eh_si): New insn.
10362 (return_eh_di): New insn.
10364 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
10365 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
10366 * eabi-ctors.c (__do_global_ctors): Register this object's
10367 frame. Clean up. Call atexit() after the constructors.
10368 (__do_global_dtors): Deregister this object's frame. Clean up.
10369 Allow for recursive calls to exit().
10370 * rs6000.c (fixuplabelno): New variable.
10371 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
10372 TARGET_RELOCATABLE, it slows down exec() under linux.
10373 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
10375 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
10376 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
10377 (ASM_OUTPUT_DWARF_DELTA2): New macro.
10378 (ASM_OUTPUT_DWARF_DELTA4): New macro.
10379 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
10380 (ASM_OUTPUT_DWARF_ADDR): New macro.
10381 (ASM_OUTPUT_DWARF_DATA4): New macro.
10382 (ASM_OUTPUT_DWARF_DATA2): New macro.
10383 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
10384 (ASM_OUTPUT_DWARF_OFFSET): New macro.
10385 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
10387 2000-02-03 Geoff Keating <geoffk@cygnus.com>
10389 * rs6000.c (rs6000_sr_alias_set): New variable.
10390 (rs6000_override_options): Initialise rs6000_sr_alias_set.
10391 (rs6000_emit_stack_tie): New function.
10392 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
10393 in a way that dwarf2out can understand.
10394 (rs6000_frame_related): New function.
10395 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
10396 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
10397 Use rs6000_emit_stack_tie when needed.
10398 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
10399 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
10400 * rs6000.md (stack_tie): New insn.
10401 (return_internal_si): Allow return value to be in the count
10403 (return_internal_di): Likewise.
10405 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
10407 2000-02-03 Geoff Keating <geoffk@cygnus.com>
10409 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
10411 2000-01-31 Geoff Keating <geoffk@cygnus.com>
10413 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
10415 * rs6000.md (stmw): Use the right POWER opcode.
10418 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10420 * rs6000-protos.h: New file.
10422 * rs6000.c: Include tm_p.h. Fix compile time warnings.
10424 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
10427 * sysv4.h: Likewise.
10429 2000-01-28 Geoff Keating <geoffk@cygnus.com>
10431 * ../../configure.in: Delete powerpcle-*-winnt*
10432 and powerpcle-*-pe|powerpcle-*-cygwin*.
10433 * ../../configure: Regenerated.
10434 * cygwin.h: Delete.
10435 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
10436 (TARGET_WINDOWS_NT): Delete.
10438 (CALL_NT_DLLIMPORT): Delete.
10439 Delete NT-specific code.
10440 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
10441 * win-nt.h: Delete.
10443 * nt-ci.asm: Delete.
10444 * nt-cn.asm: Delete.
10445 * ntstack.asm: Delete.
10447 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10449 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
10450 (ASM_FILE_START): Likewise.
10451 (ASM_DECLARE_FUNCTION_NAME): Likewise.
10452 (ASM_OUTPUT_LABELREF): Likewise.
10453 (ASM_OUTPUT_SKIP): Likewise.
10454 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
10455 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
10456 (ASM_OUTPUT_CASE_LABEL): Likewise.
10457 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
10458 (ASM_OUTPUT_ASCII): Likewise.
10460 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
10462 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
10463 reload_toc_labelno for non-prologue TOC reloads. Also, don't
10464 increment rs6000_pic_labelno here.
10465 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
10466 and increment rs6000_pic_labelno here.
10468 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
10470 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
10471 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
10472 allocation knows (reg) is dead before the insn.
10474 2000-01-21 Geoff Keating <geoffk@cygnus.com>
10476 * rs6000.md (movsi_to_cr): Correct typo in output template.
10478 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
10480 * rs6000.c (rs6000_pic_labelno): Always define.
10481 (rs6000_pic_func_labelno): Delete.
10482 (lmw_operation): Check for a zero base register,
10483 which doesn't mean what we want.
10484 (stmw_operation): New function.
10485 (print_operand): Define new 'l' modifier.
10486 (rs6000_stack_info): We must save all 64 bits of the registers
10487 if TARGET_POWERPC64.
10488 (rs6000_output_load_toc_table): Delete.
10489 (rs6000_emit_load_toc_table): New function.
10490 (rs6000_allocate_stack_space): Delete.
10491 (rs6000_emit_allocate_stack): New function.
10492 (rs6000_emit_prologue): New function.
10493 (output_prolog): Use rs6000_emit_prologue.
10494 (rs6000_emit_epilogue): Change a few variable names to be
10495 more accurate. Restore all 64 bits of the registers if
10496 TARGET_POWERPC64. Only restore the FP registers which were used
10497 if they are being saved/restored one-at-a-time.
10498 (output_mi_thunk): Delete inefficient code generation.
10499 (output_function_profiler): Don't use rs6000_output_load_toc_table.
10500 * rs6000.h: Declare rs6000_emit_load_toc_table,
10501 rs6000_allocate_stack_space, stmw_operation. Don't declare
10502 rs6000_output_load_toc_table.
10503 * rs6000.md (elf_high): Allow register 0, but discourage it
10505 (elf_low): Support loading into register 0.
10506 (load_toc_aix_si): New pattern.
10507 (load_toc_aix_di): New pattern.
10508 (load_toc_v4_pic_si): New pattern.
10509 (load_toc_v4_pic_di): New pattern.
10510 (load_toc_v4_PIC_1): New pattern.
10511 (load_toc_v4_PIC_1b): New pattern.
10512 (load_toc_v4_PIC_2): New pattern.
10513 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
10514 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
10515 (prologue): New expander.
10516 (movesi_from_cr): New pattern.
10517 (stmw): New pattern.
10518 (save_fpregs_si): New pattern.
10519 (save_fpregs_di): New pattern.
10521 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10523 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
10528 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10530 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
10532 (movsi_got_internal): Likewise.
10533 (movsi_got_internal+1): Likewise.
10534 (set_sp): 'unspec 7' does a SImode clobber.
10536 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10538 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
10539 allocate a stack temporary.
10540 (floatsidf2_internal): Likewise.
10541 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
10543 (floatunssidf2): Don't use the fpmem "register", just
10544 allocate a stack temporary.
10545 (floatunssidf2_internal): Likewise.
10546 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
10548 (floatsidf2_loadaddr): Delete.
10549 (floatsidf2_store1): Delete.
10550 (floatsidf2_store2): Delete.
10551 (floatsidf2_load): Delete.
10552 (fix_truncdfsi2): Don't use the fpmem "register", just
10553 allocate a stack temporary.
10554 (fix_truncdfsi2_internal_si): Delete.
10555 (fix_truncdfsi2_internal_di): Delete.
10556 (fix_truncdfsi2_internal): New insn.
10557 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
10558 (fix_truncdfsi2_store): Delete.
10559 (fix_truncdfsi2_load): Delete.
10560 (fctiwz): Produce gen_fctiwz.
10562 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
10564 * eabi.h (INVOKE__main): Define.
10565 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
10567 (rs6000_emit_prologue): Likewise.
10568 * rs6000.h (struct rs6000_stack): Don't keep track of whether
10569 this is the main program.
10571 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10573 * rs6000.c (rs6000_va_arg): Delete some unused variables.
10575 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10577 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
10578 goes after the argument.
10580 2000-01-12 Geoff Keating <geoffk@cygnus.com>
10582 * rs6000.md: Document 'unspec' values used.
10583 (epilogue): New expander.
10584 (movesi_to_cr_one): New expander.
10585 (movesi_to_cr and following): New pattern.
10586 (lmw): New pattern.
10587 (return_internal_si): New pattern.
10588 (return_internal_di): New pattern.
10589 (return_and_restore_fpregs_si): New pattern.
10590 (return_and_restore_fpregs_di): New pattern.
10591 * rs6000.h: Declare new functions.
10592 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
10593 rather than rs6000_calls_p.
10594 (rs6000_makes_calls): Delete.
10595 (lmw_operation): New function.
10596 (mtcrf_operation): New function.
10597 (rs6000_emit_epilogue): New function.
10598 (output_epilog): Call rs6000_emit_epilogue and final if
10599 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
10601 2000-01-12 Geoff Keating <geoffk@cygnus.com>
10603 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
10604 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
10605 * aix.h (SUBTARGET_SWITCHES): Document switches.
10606 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
10607 sched-prolog and sched-epilog the same. Document all the
10609 (TARGET_OPTIONS): No longer allow -mdebug-.
10611 2000-01-12 Geoff Keating <geoffk@cygnus.com>
10613 * rs6000.h (ASM_FILE_END): Move to aix.h.
10614 (EXTRA_SECTIONS): Move to aix.h.
10615 (READONLY_DATA_SECTION): Move to aix.h.
10616 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
10617 (SELECT_SECTION): Move to aix.h.
10618 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
10619 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
10620 (LINK_REGISTER_REGNUM): New definition.
10621 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
10622 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
10624 * sysv4.h: Delete the code between the inclusion of rs6000.h
10626 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
10627 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
10628 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
10629 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
10630 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
10631 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
10632 (fix_truncdfsi2_internal_di): New pattern.
10633 (fix_truncdfsi2_store): The second arg here is Pmode too.
10634 (fix_truncdfsi2_load): The second arg here is Pmode too.
10635 (tablejumpdi): Now that switch tables hold only SImode values,
10636 gcc needs to know how to add them to the pc which is DImode.
10637 * rs6000.c (rs6000_stack_info): Use symbolic name for
10638 LINK_REGISTER_REGNUM.
10639 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
10640 (output_toc): Delete unused variables s1 and s2.
10641 (output_ascii): Use fputs not fprintf on a variable string.
10643 2000-01-07 David Edelsohn <edelsohn@gnu.org>
10645 * rs6000.c (processor_target_table): Add power3 as alias for 630.
10646 * aix43.h: Revert Aug 2 change.
10647 (HAS_INIT_SECTION): Define, not visible yet.
10648 (LD_INIT_SWITCH): Define, not visible yet.
10649 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
10651 2000-01-04 Joel Sherrill (joel@OARcorp.com>
10653 * config/rs6000/rtems.h: Include config/rtems.h.
10655 2000-01-04 David Edelsohn <edelsohn@gnu.org>
10657 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
10658 (SLOW_UNALIGNED_ACCESS): Define.
10659 (CASE_VECTOR_MODE): Always use 32-bit offsets.
10660 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
10661 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
10662 (toc_section): Likewise and .toc pseudo-op.
10663 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
10665 (TEXT_SECTION_ASM_OP): Likewise.
10666 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
10669 1999-12-17 Jakub Jelinek <jakub@redhat.com>
10671 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
10672 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
10675 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10677 * rs6000.h: Move more stuff from here...
10679 * sysv4.h: Cleanup accordingly.
10680 * netware.h: Likewise
10682 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10684 * rs6000.h: Continue cleanup.
10686 * lynx.h: Likewise.
10687 * netware.h: Likewise.
10688 * sol2.h: Likewise.
10689 * sysv4.h: Likewise.
10690 * win-nt.h: Likewise.
10692 * rs6000.h (TARGET_SWITCHES): Add descriptions.
10693 (TARGET_OPTIONS): Likewise.
10695 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
10696 (SUBTARGET_OPTIONS): Likewise.
10698 * rs6000.md: Fix compile time warnings.
10700 2000-01-04 Geoff Keating <geoffk@cygnus.com>
10702 vxworks patches from the Cygnus tree originally by
10703 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
10704 <vmakarov@cygnus.com>.
10705 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
10706 (ENDFILE_SPEC): Likewise.
10707 (LIB_VXWORKS_SPEC): New macro.
10708 (STARTFILE_VXWORKS_SPEC): New macro.
10709 (ENDFILE_VXWORKS_SPEC): New macro.
10710 (LINK_START_VXWORKS_SPEC): New macro.
10711 (LINK_OS_VXWORKS_SPEC): New macro.
10712 (CPP_OS_VXWORKS_SPEC): New macro.
10713 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
10714 * vxppc.h: Rewrite to use proper configuration method.
10715 * vxppcle.h: New file.
10716 * ../../configure.in: Add powerpcle-wrs-vxworks*.
10717 * ../../configure: Rebuilt.
10719 2000-01-04 Geoff Keating <geoffk@cygnus.com>
10721 Lots of changes to rs6000.h, sysv4.h, aix.h,
10722 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
10723 with the aim that rs6000.h is the first header
10724 included and the others override it.
10727 * x-aix41-gld: Remove.
10729 * x-aix41: Remove target-specific switches, and don't specify
10730 -Wl,-bbigtoc as we don't need it any more.
10731 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
10732 Use t-aix43 for AIX 4.3 and above.
10733 * ../../configure: Regenerated.
10735 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
10736 options, that don't do anything yet.
10737 (MASK_SCHED_PROLOG): New macro.
10738 (MASK_SCHED_EPILOG): New macro.
10739 (TARGET_SCHED_PROLOG): New macro.
10740 (TARGET_SCHED_EPILOG): New macro.
10742 2000-01-04 Geoff Keating <geoffk@cygnus.com>
10744 * rs6000.c: Correct comment, the `minimal' TOCs are actually
10745 one per translation unit, not one per function.
10746 (output_toc): Also do duplicate constant elimination
10747 for per-translation-unit TOCs.
10749 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
10750 a comment explaining _exactly_ when this pattern gets used.
10751 (builtin_setjmp_receiver): New pattern for better clarity.
10752 (init_v4_pic): Move it into a section dealing with TOC registers.
10754 1999-12-30 Geoff Keating <geoffk@cygnus.com>
10756 * rs6000.c (toc_hash_table): New variable.
10757 (rs6000_hash_constant): New function.
10758 (toc_hash_function): New function.
10759 (toc_hash_eq): New function.
10760 (toc_hash_mark_entry): New function.
10761 (toc_hash_mark_table): New function.
10762 (output_toc): Don't output duplicate TOC entries in
10764 (rs6000_add_gc_roots): Add the hash table as a GC root.
10765 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
10766 where they clearly shouldn't be. This may need to be fixed
10767 later when there is a GNU ar for AIX.
10768 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
10769 Don't define BOOT_LDFLAGS as it is now not necessary.
10771 1999-12-29 Geoff Keating <geoffk@cygnus.com>
10773 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
10774 for va_list on AIX. Use unsigned_char_type_node rather than
10775 constructing our own version on svr4.
10777 1999-12-17 Geoff Keating <geoffk@cygnus.com>
10779 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
10780 since patently it's not.
10782 1999-12-08 Geoff Keating <geoffk@cygnus.com>
10784 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
10785 define_expand/define_insn pair, and handle restore of the
10786 SVR4 -fpic register.
10788 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
10790 * acconfig.h (HAVE_GAS_WEAK): New define.
10791 * configure.in (assembler weak support): Check for .weak support.
10792 * config.in, configure: Rebuilt.
10793 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
10794 HAVE_GAS_WEAK is defined.
10796 2000-03-15 Nick Clifton <nickc@cygnus.com>
10798 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
10801 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
10803 * cppfiles.c (open_include_file): New function.
10804 (find_include_file, cpp_read_file): Use it.
10806 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
10808 * cpphash.c (dump_hash_helper): Take the slot, not the element.
10810 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
10812 * flow.c (verify_flow_info): Check for unconditional return.
10814 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
10816 * config/ia64/ia64.md (restore_stack_nonlocal): New.
10817 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
10818 (__ia64_restore_stack_nonlocal): New.
10819 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
10821 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10823 * cpphash.c (collect_formal_parameters): Do not complain about
10824 parameter names that just start with `__VA_ARGS__'.
10826 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
10828 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
10829 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
10830 * i386.c (pentiumpro_cost): Set mul cost to 4.
10831 (x86_use_movx): Set for PPro.
10833 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
10835 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
10836 STACK_BOUNDARY for empty frames now.
10838 2000-03-14 Mark Mitchell <mark@codesourcery.com>
10840 * stor-layout.c (layout_union): Remove.
10841 (layout_union_field): New function, split out from layout_union.
10842 (finish_union_layout): Likewise.
10843 (layout_field): Handle unions by calling layout_union_field.
10844 (finish_record_layout): Handle unions.
10845 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
10846 QUAL_UNION_TYPE handling.
10848 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
10850 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
10851 end of basic block is jump_insn, not barrier; use create_basic_block
10852 instead of creating basic block by hand.
10854 2000-03-14 Jason Eckhardt <jle@cygnus.com>
10856 * flow.c (reorder_basic_blocks): Account for barriers when writing
10857 over NEXT_INSN (last_bb->end).
10858 (verify_flow_info): Add check for missing barriers.
10860 2000-03-14 Greg McGary <gkm@gnu.org>
10862 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
10863 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
10864 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
10865 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
10866 __unbounded, __unbounded__): New keywords.
10867 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
10868 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
10869 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
10871 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
10873 * cselib.h: New file.
10874 * alias.c: Include "cselib.h".
10875 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
10876 MEMs as two new arguments.
10877 (get_addr): New static function.
10878 (find_base_term): Handle VALUEs.
10879 (memrefs_conflict_p): Likewise.
10880 (true_dependence): Call get_addr on the addresses.
10881 Call fixed_scalar_and_varying_struct_p with addresses that have been
10882 passed through get_addr and canon_rtx.
10883 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
10884 with true_dependence.
10885 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
10886 * loop.c: Include "cselib.h".
10887 (load_mems): Process extended basic block that enters the loop with
10888 cselib. Use that information to change initialization of the shadow
10889 register so that a constant equivalence is seen by later passes.
10890 * reload1.c: Include "cselib.h".
10891 (reload_cse_invalidate_regno): Delete function.
10892 (reload_cse_mem_conflict_p): Likewise.
10893 (reload_cse_invalidate_mem): Likewise.
10894 (reload_cse_invalidate_rtx): Likewise.
10895 (reload_cse_regno_equal_p): Likewise.
10896 (reload_cse_check_clobber): Likewise.
10897 (reload_cse_record_set): Likewise.
10898 (reg_values): Delete static variable.
10899 (invalidate_regno_rtx): Likewise.
10900 (reload_cse_delete_noop_set): New static function.
10901 (reload_cse_simplify): New static function, broken out of
10903 (reload_cse_noop_set_p): Delete unused argument INSN.
10904 Just call rtx_equal_for_cselib_p on set source and destination.
10905 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
10906 reload_cse_delete_noop_set. Delete code to keep track of values; use
10907 cselib functions instead. Delete code to push/pop obstacks.
10908 (reload_cse_simplify_set): Use cselib to find equivalent values.
10909 Delete code to push/pop obstacks.
10910 (reload_cse_simplify_operands): Likewise.
10911 * rtl.def (VALUE): New rtx code.
10912 * rtl.h (union rtunion_def): New elt rt_cselib.
10913 (X0CSELIB, CSELIB_VAL_PTR): New macros.
10914 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
10915 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
10916 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
10917 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
10918 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
10919 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
10920 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
10921 cselib_record_set, cselib_record_sets): New static functions.
10922 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
10923 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
10924 references_value_p): New functions.
10925 (MAX_USELESS_VALUES, REG_VALUES): New macros.
10926 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
10927 n_useless_values, reg_values, callmem, cselib_obstack,
10928 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
10929 New static variables.
10930 * varray.h (union varray_data_tag): New elt te.
10931 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
10932 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
10935 2000-03-14 Nick Clifton <nickc@cygnus.com>
10937 * gcc.c (do_spec_1): Catch the case where %* is used in a
10938 substitution pattern, but it has not been initialised.
10939 Issue a meaningful error message if an unrecognised operator
10940 is encountered in a spec string.
10942 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
10944 * function.c (prepare_function_start): Correctly initialize
10945 cfun->stack_alignment_needed.
10947 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
10949 * cppfiles.c (find_include_file): Don't assume nshort is a
10952 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
10954 * configure.in (hppa configurations): Add pa32-regs.h to the
10955 list of tm files as appropriate.
10956 * configure: Rebuilt.
10957 * pa.c (compute_frame_size): Remove explicit knowledge about FP
10958 register numbering.
10959 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
10960 (fmpyaddoperands, fmpysuboperands): Likewise.
10961 * pa.h: Remove various definitions which depend on knowing
10962 how registers are numbered.
10963 * pa32-regs.h: New file with PA32 register numbering specific
10966 2000-03-14 Richard Henderson <rth@cygnus.com>
10968 * regmove.c (combine_stack_adjustments): New.
10969 (stack_memref_p, single_set_for_csa): New.
10970 (free_csa_memlist, record_one_stack_memref): New.
10971 (try_apply_stack_adjustment): New.
10972 (combine_stack_adjustments_for_block): New.
10973 * rtl.h (combine_stack_adjustments): Declare.
10974 * toplev.c (rest_of_compilation): Call it.
10976 * i386.md: Revert 2000-01-16 change.
10978 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10980 * gccbug.in: Add web category, gcc specific classes.
10982 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
10984 * stor-layout.c (finalize_record_size): Fix typo.
10986 2000-03-14 Stan Shebs <shebs@apple.com>
10988 * c-typeck.c (c_alignof): Error on incomplete types.
10989 * extend.texi (Alignment): Document this.
10991 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
10993 * cppfiles.c: Include mkdeps.h.
10994 (find_include_file, read_include_file): Remove _cpp_ prefix
10995 from name, make static.
10996 (_cpp_execute_include): New function, broken out of
10999 * cpplib.c: Don't include mkdeps.h.
11000 (struct directive): Remove type field. Reorder entries. The
11001 function takes only one argument.
11002 (struct if_stack): Make type field an int.
11003 (directive_table): Rename to dtable. Generate it, the
11004 prototypes of the directive handlers, and the enum for the
11005 directive numbers, from a template macro.
11006 (do_ifndef, do_include_next, do_import): New functions.
11007 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
11008 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
11009 do_ident, do_assert, do_unassert, do_sccs): Take only one
11011 (do_sccs): Define always, but alter behavior based on
11013 (_cpp_handle_directive, consider_directive_while_skipping):
11014 Restructure for new directive table layout.
11016 (pass_thru_directive): Take a directive number, not a pointer
11017 to a struct directive.
11018 (parse_include): New function, broken out of do_include.
11019 (do_include, do_import, do_include_next): Use parse_include
11020 and _cpp_execute_include.
11021 (do_elif, do_else): Test for T_ELSE specifically when checking
11022 for #elif/#else after #else.
11023 (parse_ifdef): New function, broken out of do_ifdef.
11024 (validate_else): Expect a name arg without a leading #.
11025 (if_directive_name): Delete.
11026 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
11027 directive handlers with only one argument.
11029 * cpphash.h: Update prototypes.
11030 (enum node_type): Remove entries for directives.
11031 * Makefile.in: Update dependencies.
11033 * cpphash.c (dump_hash_helper): Only dump nodes of type
11034 T_MACRO. Emit a newline after each definition.
11036 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
11038 * gccbug.in: New file.
11039 * configure.in (all_outputs): Add gccbug.
11040 * Makefile.in (install-common): Install gccbug.
11041 (GCCBUG_INSTALL_NAME): New variable.
11042 * configure: Rebuilt.
11044 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
11046 * function.c (put_var_into_stack): Use type_for_mode to calculate
11047 part_type. Use MEM_SET_IN_STRUCT_P.
11048 * expr.c (store_field): Handle CONCAT.
11049 (store_constructor): Use fields_length.
11050 * tree.c (fields_length): New fn.
11051 * tree.h: Declare it.
11053 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
11055 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
11056 (cpplex.o): New target.
11057 * po/POTFILES.in: Add cpplex.c.
11059 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
11060 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
11061 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
11062 skip_block_comment, skip_line_comment, skip_comment,
11063 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
11064 _cpp_parse_name, skip_string, parse_string,
11065 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
11066 _cpp_get_directive_token, find_position,
11067 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
11068 (maybe_macroexpand, _cpp_lex_token): New functions.
11070 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
11071 parse_goto_mark): Delete.
11072 (_cpp_handle_eof): New function.
11073 (_cpp_handle_directive): Rename from handle_directive.
11074 (_cpp_output_line_command): Rename from output_line_command.
11075 (do_if, do_elif): Call _cpp_parse_expr directly.
11076 * cppfiles.c (_cpp_read_include_file): Don't call
11077 init_input_buffer here.
11078 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
11079 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
11080 here; pop the token_buffer and skip the rest of the line here.
11081 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
11084 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
11086 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
11087 CPP_GOTO_MARK): New macros.
11088 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
11089 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
11090 _cpp_read_and_prescan, _cpp_init_input_buffer,
11091 _cpp_grow_token_buffer, _cpp_get_directive_token,
11092 _cpp_handle_directive, _cpp_handle_eof,
11093 _cpp_output_line_command): Prototype them here.
11094 * cpplib.h (enum cpp_token): Add CPP_MACRO.
11095 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
11096 quote_string, output_line_command): Remove.
11098 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
11100 * stmt.c (expand_end_case): RANGE may be signed, and when checking
11101 whether it is too large we must also verify that it isn't negative.
11103 2000-03-13 Jakub Jelinek <jakub@redhat.com>
11105 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
11106 (movsi_zero_liveg0): Remove.
11107 (movsf_insn_novis_liveg0): Remove.
11109 (negsi2_not_liveg0): Rename to negsi2.
11110 (one_cmplsi2): Remove.
11111 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
11112 (one_cmplsi2_liveg0): Remove.
11113 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
11114 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
11115 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
11116 (PREDICATE_CODES): Remove zero_operand.
11117 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
11118 TARGET_BROKEN_SAVERESTORE.
11119 (zero_operand): Remove.
11120 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
11121 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
11123 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
11124 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
11125 TARGET_BROKEN_SAVERESTORE): Remove.
11126 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
11128 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
11130 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
11133 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
11135 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
11137 * cpplib.c (do_pragma_implementation): Fix off-by-one error
11138 truncating a string. Don't assume tokens are nul terminated.
11139 Problem noted by Andreas Jaeger <aj@suse.de>
11141 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
11143 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
11144 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
11145 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
11147 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
11149 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
11150 STRUCTURE_SIZE_BOUNDARY.
11152 2000-03-13 Mark Mitchell <mark@codesourcery.com>
11154 * tree.h (record_layout_info_s): New structure.
11155 (record_layout_info): New type.
11156 (new_record_layout_info): New function.
11157 (layout_field): Likewise.
11158 (finish_record_layout): Likewise.
11159 * stor-layout.c (layout_record): Remove.
11160 (new_record_layout_info): New function.
11161 (layout_field): New function, broken out from layout_record.
11162 (finalize_record_size): Likewise.
11163 (compute_record_mode): Likewise.
11164 (finalize_type_size): New function, broken out from layout_type.
11165 (finish_record_layout): Likewise.
11166 (layout_type): Use them.
11168 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
11170 * cpphash.c: Don't include version.h.
11171 (special_symbol) [case T_VERSION]: Look for the string in
11172 hp->value.cpval; don't use version_string.
11173 * cppinit.c (initialize_builtins): Set hp->value.cpval for
11174 __VERSION__ to version_string.
11175 * Makefile.in (cpphash.o): Update deps.
11177 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
11179 Convert cpplib to use libiberty/hashtab.c.
11181 * cpplib.h (struct cpp_reader): Make hashtab and
11182 all_include_files of type 'struct htab *'. Delete HASHSIZE
11183 and ALL_INCLUDE_HASHSIZE macros.
11185 * cpphash.h: Update prototypes.
11186 (struct hashnode): Remove next, prev, and bucket_hdr members.
11187 Make length a size_t. Add hash member.
11188 (struct ihash): Remove next member. Add hash member. Make
11189 name a flexible array member.
11191 * cppfiles.c: Include hashtab.h.
11192 (include_hash): Delete.
11193 (IHASHSIZE): New macro.
11194 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
11195 (cpp_included): Do the hash lookup here.
11196 (_cpp_find_include_file): Rewrite.
11197 (cpp_read_file): Put the "fake" hash entry into the hash
11198 table. Honor the control_macro, if it turns out we've seen
11199 the file before. Don't push the buffer here.
11200 (_cpp_read_include_file): Push the buffer here.
11201 (OMODES): New macro. Use it whenever we call open(2).
11203 * cpphash.c: Include hashtab.h.
11204 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
11205 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
11206 _cpp_lookup_slot): New functions.
11207 (HASHSIZE): new macro.
11208 (hashf, _cpp_install, _cpp_delete_macro): Delete.
11209 (_cpp_lookup): Use hashtab.h routines.
11211 * cppinit.c: Include hashtab.h.
11212 (cpp_reader_init): Call _cpp_init_macro_hash and
11213 _cpp_init_include_hash. Don't allocate hashtab directly.
11214 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
11215 pfile->all_include_files.
11216 (initialize_builtins): Use _cpp_make_hashnode and
11217 htab_find_slot to add hash entries.
11218 (cpp_finish): Just call _cpp_dump_macro_hash.
11219 * cpplib.c: Include hashtab.h.
11220 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
11221 create hash entries.
11222 (do_pragma_poison, do_assert): Likewise.
11223 (do_include): Don't push the buffer here. Don't increment
11224 system_include_depth unless _cpp_read_include_file succeeds.
11225 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
11226 or htab_remove_elt.
11227 (do_pragma_implementation): Use alloca to create copy.
11229 * Makefile.in: Update dependencies.
11231 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11233 * cppinit.c (cl_directive_handler): More K&R fixing.
11235 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
11237 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
11239 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
11241 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11243 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
11244 Change from char[] to macros.
11246 2000-03-12 Neil Booth <NeilB@earthling.net>
11248 * cppinit.c (cpp_start_read): Update indirect function
11251 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
11253 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
11256 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
11257 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
11259 2000-03-11 Neil Booth <NeilB@earthling.net>
11261 * cppinit.c (struct pending option): Replace undef with a
11262 pointer to a directive handling routine.
11263 (struct cpp_pending): Replace separate assert_ and define_
11264 lists with one directive_ list.
11265 (new_pending_define): Rename new_pending_directive. Extra
11266 argument is the directive's handling routine.
11267 (handle_option): Update to use new_pending_directive.
11269 2000-03-11 Neil Booth <NeilB@earthling.net>
11271 * cppfiles.c (file_cleanup, _cpp_find_include_file,
11272 remap_filename, _cpp_read_include_file, actual_directory,
11273 hack_vms_include_specification): Replace bcopy(), index() etc
11274 calls. Add casts to some allocations. Make some variables
11275 pointers to const [unsigned] char.
11276 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
11277 collect_formal_parameters): Similarly.
11278 * cppinit.c (struct pending_option, append_include_chain,
11279 cpp_options_init, cpp_reader_init, initialize_standard_includes,
11280 cpp_start_read, new_pending_define, handle_option): Similarly.
11281 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
11282 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
11283 do_pragma_implementation, detect_if_not_defined,
11284 do_ifdef, skip_if_group, cpp_get_token, parse_string,
11285 do_assert, do_unassert): Similarly.
11286 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
11287 function prototypes.
11288 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
11290 2000-03-10 Richard Henderson <rth@cygnus.com>
11292 * builtins.c (expand_builtin_strlen): Revert last change.
11293 Use emit_insn_before if we're at the beginning of a sequence.
11295 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
11297 * builtins.c (expand_builtin_strlen): Make sure that we have something
11298 at the beginning of the sequence.
11300 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
11303 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
11305 2000-03-10 Richard Henderson <rth@cygnus.com>
11307 * except.c (can_throw): Use INTVAL on a CONST_INT.
11308 (reachable_handlers): Likewise.
11309 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
11311 2000-03-10 Andreas Jaeger <aj@suse.de>
11313 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
11314 MD_STARTFILE_PREFIX since those are not needed on linux.
11315 (ASM_FILE_START): New, from mips/gnu.h.
11317 2000-03-09 Richard Henderson <rth@cygnus.com>
11318 Alex Samuel <samuel@codesourcery.com> and others
11320 * Makefile.in (ssa.o): New rule.
11322 (STAGESTUFF): Add *.ssa and *.ussa.
11323 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
11324 * rtl.def (PHI): New RTL expression.
11325 * rtl.h (clear_log_links): New declaration.
11326 (convert_to_ssa): Likewise.
11327 (convert_from_ssa): Likewise.
11328 * flow.c (split_edge): If the entry node falls through to the
11329 split edge's source block, split the entry edge.
11330 (clear_log_links): New function.
11331 * toplev.c (ssa_dump): New variable.
11332 (flag_ssa): Likewise.
11333 (f_options): Add "ssa".
11334 (compile_file): Create SSA dump files.
11335 (rest_of_compilation): Go to and from SSA if enabled.
11336 (decide_d_option): Handle -de for SSA dump files.
11339 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
11341 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
11344 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
11346 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
11348 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
11350 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
11351 (MD_STARTFILE_PREFIX_1): New macro.
11353 2000-03-09 Robert Lipe <robertl@sco.com>
11355 * config/ia64/ia64.c: Include system.h.
11357 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
11359 * except.c (nothrow_function_p): If -fno-exceptions, just return.
11360 (init_eh_nesting_info): Likewise.
11362 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
11363 (TREE_NOTHROW): Rename from TREE_RAISES.
11364 * toplev.c (rest_of_compilation): Set it.
11365 * print-tree.c (print_node): Adjust.
11366 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
11367 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
11368 * calls.c (emit_call_1): Add 'nothrow' parm. Add
11369 REG_EH_REGION note as appropriate.
11370 (libfunc_nothrow): New fn.
11371 (emit_library_call, emit_library_call_value): Use it.
11372 (expand_call): Check TREE_NOTHROW.
11374 * varasm.c (make_decl_rtl): Skip initial '*' when setting
11375 DECL_ASSEMBLER_NAME.
11377 2000-03-09 Andreas Jaeger <aj@suse.de>
11379 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
11380 (TARGET_MEM_FUNCTIONS): Define.
11382 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
11384 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
11386 * except.c (can_throw): See through a SEQUENCE.
11387 (nothrow_function_p): New fn.
11388 * except.h: Declare it.
11389 * function.c (current_function_nothrow): New var.
11390 (prepare_function_start): Initialize it.
11391 * output.h: Declare it.
11392 * toplev.c (rest_of_compilation): Set it.
11393 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
11395 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
11397 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
11398 match. (cpp_compare_defs): Count the nul separator when
11399 advancing over argument names.
11401 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
11403 * recog.c (preprocess_constraints): Matching constraints affect
11404 same alternative/different operand, not same operand/different
11407 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
11408 register and a constant specially.
11410 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11412 * libgcc2.h: New file.
11413 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
11415 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
11417 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
11418 * configure: Regenerate.
11419 * config/ia64: New.
11421 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
11423 * Makefile.in (LIBCPP_DEPS): New macro.
11424 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
11425 it to declare deps.
11426 * cpperror.c: Include cpphash.h.
11427 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
11429 (lex): Don't use CPP_WARN_UNDEF.
11430 (_cpp_parse_expr): Return an int, the truth value.
11431 * cppfiles.c: Include cpphash.h.
11432 (_cpp_merge_include_chains): Move to cppinit.c and make static.
11433 * cppinit.c (include_defaults_array): Disentangle.
11434 (cpp_cleanup): Don't free the if stack here.
11435 (cpp_finish): Pop off all buffers, not just one.
11436 * cpplib.c (eval_if_expr): Return int.
11437 (do_xifdef): Rename do_ifdef.
11438 (handle_directive): Don't use CPP_PREPROCESSED.
11439 (cpp_get_token): Don't use CPP_C89.
11440 * fix-header.c: Don't use CPP_OPTIONS.
11442 * cpplib.h: Move U_CHAR, enum node_type, struct
11443 file_name_list, struct ihash, is_idchar, is_idstart,
11444 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
11445 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
11446 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
11447 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
11448 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
11449 of _cpp_simplify_pathname, _cpp_find_include_file,
11450 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
11451 Move struct if_stack to cpplib.c. Move struct cpp_pending to
11453 Change all uses of U_CHAR to be unsigned char instead.
11454 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
11456 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
11458 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
11459 (dwarf2out_begin_prologue): Set it.
11460 (output_call_frame_info): Don't emit EH unwind info for leaves.
11462 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
11463 can occur outside of an EH region.
11464 * except.c: Correct comments about rethrow behavior.
11465 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
11467 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
11469 * flow.c (make_edges): Always call make_eh_edge for calls.
11471 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
11473 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
11474 (struct cpp_buffer): Remove fname and underflow fields.
11475 (struct cpp_reader): Remove get_token field.
11476 (struct include_hash): Rename to struct ihash. Add typedef to
11478 (struct if_stack): Remove fname field.
11479 (IF_STACK_FRAME): Rename to IF_STACK.
11481 * cpperror.c (print_containing_files): Trust that there are no
11482 macro buffers below the top file buffer.
11483 * cppfiles.c: Replace all references to 'struct include_hash'
11484 with 'IHASH'. Rename initialize_input_buffer to
11485 init_input_buffer. Don't set or reference cpp_buffer->fname,
11486 use buffer->ihash->name instead.
11487 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
11488 not CPP_NULL_BUFFER.
11489 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
11490 IF_STACK_FRAME, IHASH not struct include_hash.
11491 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
11492 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
11493 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
11494 references to cpp_buffer->fname (delete entirely, or use
11495 ->ihash->name instead) and IF_STACK->fname.
11496 (cpp_push_buffer): Don't set new->underflow.
11497 (do_include): Use cpp_file_buffer.
11499 * cpphash.c (collect_formal_parameters): Remove duplicate
11500 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
11501 used as a macro argument name. Don't append "..." to namebuf
11502 for varargs macros. After we're done scanning, go through
11503 namebuf and make it NUL separated, not comma separated.
11504 (_cpp_compare_defs): Remove register tag from variables.
11505 Expect defn->argnames to be NUL separated.
11506 (_cpp_dump_definition): Expect defn->argnames to be NUL
11507 separated and in forward order.
11508 * cpphash.h: Update documentation of argnames field.
11510 2000-03-08 Richard Henderson <rth@cygnus.com>
11512 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
11513 to fail. Don't pre-expand the source operand.
11515 * i386.md (strlensi): Initialize eoschar and align before use.
11517 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
11519 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
11520 CONSTRUCTOR element.
11522 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
11524 * mips.c (mips_expand_prologue): If the last
11525 named argument is the vararg marker "va_list", treat it as
11526 an unnamed argument.
11528 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
11530 * dbxout.c (dbxout_parms): When correcting for promoted
11531 big-endian parameters, use the mode of the DECL_RTL rather
11532 than UNITS_PER_WORD.
11534 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
11536 * c-common.h (make_fname_decl): Declare.
11537 * c-common.c (make_fname_decl): Define.
11538 (declare_hidden_char_array): Remove.
11539 (declare_function_name): Use make_fname_decl.
11540 * c-decl.c (c_make_fname_decl): New function.
11541 (init_decl_processing): Set make_fname_decl.
11543 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
11545 * cccp.c (handle_directive): Initialize backslash_newlines_p.
11547 2000-03-07 Philipp Thomas <pthomas@suse.de>
11549 * po/POTFILES.in: Remove cppalloc.c from file list.
11551 2000-03-07 Steve Chamberlain <sac@pobox.com>
11553 * pj.c (pj_expand_prologue): current_function->args_info is
11554 now current_function_args_info.
11556 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
11557 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
11558 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
11560 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11562 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
11563 output as hexadecimal rather than the default octal.
11565 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
11567 * cpphash.c (special_symbol): Fix thinko in previous commit.
11569 2000-03-07 Neil Booth <NeilB@earthling.net>
11571 * cppexp.c (struct operation, left_shift, right_shift,
11572 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
11573 "int"s to "unsigned int"s.
11574 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
11576 * cpplib.h: Update for above.
11577 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
11578 returned from allocations.
11580 * cppinit.c (opt_comp, parse_options): New functions.
11581 (handle_option): Use parse_option to parse a single command
11582 line option, that possibly takes an argument.
11583 (cpp_handle_options): Sort the array of command line options on
11584 first invocation (non-ASCII hosts only).
11585 (print_help): Update.
11587 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
11589 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
11590 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
11592 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
11594 * cppinit.c (cpp_cleanup): Free imp->nshort also.
11596 * cpperror.c (cpp_print_containing_files,
11597 cpp_print_file_and_line, v_cpp_message): Rename to
11598 print_containing_files, print_file_and_line, and v_message.
11599 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
11600 to _cpp_parse_expr, parse_escape, and lex.
11601 (parse_charconst): Remove broken multibyte support.
11602 * cppfiles.c (include_hash): Make static.
11603 (cpp_included): New function.
11604 (merge_include_chains, find_include_file, finclude,
11605 simplify_pathname): Rename to _cpp_merge_include_chains,
11606 _cpp_find_include_file, _cpp_read_include_file, and
11607 _cpp_simplify_pathname.
11608 * cpphash.c (cpp_lookup, free_definition, delete_macro,
11609 cpp_install, create_definition, macroexpand, compare_defs,
11610 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
11611 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
11612 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
11613 * cppinit.c (cpp_handle_option): Rename to handle_option, make
11615 * cpplib.c: Remove extern prototype of cpp_parse_expr.
11617 * cpphash.h: Update prototypes.
11618 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
11620 2000-03-07 Andrew Haley <aph@cygnus.com>
11622 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
11623 PTRDIFF_TYPE should be based solely on Pmode.
11624 (SIZE_TYPE): ditto.
11626 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11628 * rtl.h (rtunion_def): Constify member `rtstr'.
11629 (emit_line_note_after, emit_line_note, emit_line_note_force,
11630 emit_note, decode_asm_operands): Constify.
11632 * cse.c (canon_hash): Likewise.
11634 * dbxout.c (dbxout_block): Likewise.
11636 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
11637 v_warning_for_asm): Likewise.
11639 * dwarfout.c (function_start_label): Likewise.
11641 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
11642 emit_line_note_force): Likewise.
11644 * final.c (last_filename, asm_insn_count, final_scan_insn,
11645 output_source_line): Likewise.
11647 * function.h (struct emit_status): Likewise.
11649 * gcse.c (hash_expr_1): Likewise.
11651 * genattr.c (gen_attr, main): Likewise.
11653 * genattrtab.c (struct function_unit, current_alternative_string,
11654 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
11655 attr_numeral, check_attr_test, check_attr_value,
11656 convert_set_attr_alternative, convert_set_attr,
11657 compute_alternative_mask, simplify_by_exploding, gen_attr,
11658 gen_unit): Likewise.
11660 * genflags.c (gen_insn): Likewise.
11662 * gengenrtl.c (type_from_format): Likewise.
11664 * genopinit.c (gen_insn): Likewise.
11666 * genoutput.c (n_occurrences, process_template, process_template):
11669 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
11672 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
11675 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
11676 ggc_set_mark, ggc_get_size): Likewise.
11678 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
11680 * optabs.c (init_one_libfunc): Likewise.
11682 * output.h (assemble_start_function): Likewise.
11684 * recog.c (decode_asm_operands): Likewise.
11686 * toplev.c (rest_of_compilation): Likewise.
11688 * tree.h (emit_line_note_after, emit_line_note,
11689 emit_line_note_force): Likewise.
11691 * varasm.c (asm_output_bss, asm_output_aligned_bss,
11692 asm_emit_uninitialised, assemble_start_function,
11693 assemble_variable, const_hash, compare_constant_1,
11694 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
11696 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
11698 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
11700 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
11702 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
11704 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
11705 arm_dllimport_name_p): Likewise.
11707 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
11710 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
11712 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11714 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
11715 arm_mark_dllexport, arm_mark_dllimport,
11716 arm_pe_encode_section_info): Likewise.
11718 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
11719 ASM_FINISH_DECLARE_OBJECT): Likewise.
11721 * arm/thumb.c (thumb_function_prologue): Likewise.
11723 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
11725 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11727 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
11729 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
11731 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
11733 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11735 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
11736 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
11738 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
11740 * i386/i386.c (asm_output_function_prefix): Likewise.
11742 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
11744 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11746 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
11748 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
11749 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
11750 ASM_OUTPUT_SECTION_NAME): Likewise.
11752 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
11754 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
11756 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
11758 * m32r/m32r.c (m32r_encode_section_info): Likewise.
11760 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11762 * mcore/mcore.c (mcore_encode_section_info): Likewise.
11764 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11766 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11768 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11770 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
11772 * mips/mips.md (movdi, movsi): Likewise.
11774 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11776 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11778 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11780 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
11781 ASM_OUTPUT_ASCII): Likewise.
11783 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
11784 output_mi_thunk, output_toc): Likewise.
11786 * rs6000/rs6000.md (movsi): Likewise.
11788 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
11790 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
11792 * v850/v850.c (print_operand, print_operand_address,
11793 v850_encode_data_area): Likewise.
11795 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
11797 * config/mips/mips.md (zero_extendsidi2): Always force operand
11798 one to memory for mips16.
11800 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11802 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
11803 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
11804 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
11805 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
11806 (min_precision): Result is unsigned.
11807 (add_double, neg_double, mul_double): Low word is unsigned.
11808 (lshift_double, rshift_double, lrotate_double): Likewise.
11809 (rrotate_double, div_and_round_double): Likewise.
11810 (tree_floor_log2, compare_tree_int): New functions.
11811 (preserve_rtl_expr_temps): New declaration.
11812 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
11813 (decl_attributes): Use tree_log2 to find alignment.
11814 Check for TREE_INT_CST_HIGH for format args.
11815 (min_precision): Now unsigned.
11816 Use tree_floor_log2.
11817 (truthvalue_conversion): Delete long-disabled code.
11818 * c-decl.c (finish_struct): Clean up tests on field width.
11819 (finish_function): Use compare_tree_int.
11820 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
11821 * c-typeck.c (comptypes): Use tree_int_cst_equal.
11822 (default_conversion, digest_init): Use compare_tree_int.
11823 (build_binary_op): Use integer_all_onesp and compare_tree_int.
11824 Fix type errors in forming masks.
11825 * calls.c (initialize_argument_information): Use compare_tree_int.
11826 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
11827 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
11828 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
11829 (store_field): Use compare_tree_int.
11830 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
11831 (expand_expr, case ARRAY_REF): Use compare_tree_int.
11832 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
11833 (do_store_flag): Use compare_tree_int.
11834 * fold-const.c (encode, decode): Low part is always unsigned.
11835 (force_fit_type, add_double, neg_double, mul_double): Likewise.
11836 (lshift_double, rshift_double, lrotate_double): Likewise.
11837 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
11838 (fold_convert): Use compare_tree_int.
11839 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
11840 (invert_truthvalue, case INTEGER_CST): Likewise.
11841 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
11842 * mkdeps.c (deps_dummy_targets): Make I unsigned.
11843 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
11844 (lshift_double, rshift_double, lrotate_double, rrotate_double):
11846 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
11847 (expand_end_case): Use compare_tree_int.
11848 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
11849 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
11850 (layout_decl): Likewise.
11851 (layout_record, layout_union): Make sizes unsigned.
11852 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
11853 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
11854 * tree.c (struct type_hash): hashcode is unsigned.
11855 (build_type_attribute_variant, type_hash_list): Likewise.
11856 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
11857 (attribute_hash_list, build_array_type, build_method_type): Likewise.
11858 (build_complex_type): Likewise.
11859 (real_value_from_int_cst): Remove unneeded casts.
11860 (integer_all_onesp): Add casts.
11861 (tree_floor_log2, compare_tree_int): New functions.
11862 (build_index_type): Use tree_int_cst_sgn.
11863 * varasm.c (assemble_variable): Use compare_tree_int.
11865 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
11867 * cpphash.c (collect_expansion): Also catch ## at start of macro.
11869 * varasm.c (make_decl_rtl): Don't add a number to members of
11871 (make_function_rtl): Likewise.
11873 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11875 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
11876 patch from 2000-01-28.
11878 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
11880 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
11881 filled with an insn from the jump target.
11883 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11885 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
11886 (c4x_external_ref): Likewise.
11887 * config/c4x/c4x.c (struct name_list): Likewise.
11889 1999-12-16 Ben Collins <bcollins@debian.org>
11891 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
11892 argument to genmultilib.
11893 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
11894 the contents into the multilib.h header.
11895 * gcc.c: Declare multilib_exclusions for the specs file.
11896 (set_multilib_dir): Use it.
11897 (print_multilib_info): Likewise.
11898 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
11899 to pass to genmultilib.
11901 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11903 * builtins.c (built_in_class_names, built_in_names): Constify a
11906 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
11908 (_mcleanup): Ensure value matches format specifier in sprintf.
11910 * cpphash.c (special_symbol): Don't needlessly cast away
11913 * cppinit.c (base_name): Delete unused prototype.
11915 * mkdeps.c (deps_init): Make definition K&R safe.
11917 * tree.h (built_in_class_names, built_in_names): Constify a
11920 2000-03-06 Jakub Jelinek <jakub@redhat.com>
11922 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
11923 floating point instructions for epilogue delay.
11925 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
11926 to gas if it supports .register pseudo.
11928 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
11929 LONG_DOUBLE_TYPE_SIZE if not defined.
11930 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
11931 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
11932 * real.c: Likewise.
11933 * gengenrtl.c: Likewise.
11934 * print-rtl.c: Likewise.
11936 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
11937 MASK_LONG_DOUBLE_128.
11938 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
11939 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
11940 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
11941 (SUBTARGET_SWITCHES): Define.
11942 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
11943 with -mlong-double-128.
11944 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
11945 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
11946 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
11947 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
11948 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
11949 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
11950 with -mlong-double-128.
11951 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
11952 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
11953 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
11954 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
11955 TARGET_LONG_DOUBLE_128): Define.
11956 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
11957 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
11958 long double on TARGET_ARCH64.
11960 2000-03-06 Mark Mitchell <mark@codesourcery.com>
11962 * function.c (free_temps_for_rtl_expr): Don't free slots
11963 that have been pushed into a higher level.
11966 2000-03-05 Mark Mitchell <mark@codesourcery.com>
11968 2000-03-05 Mark Mitchell <mark@codesourcery.com>
11970 * basic-block.h (ALLOCA_REG_SET): Remove.
11971 (INITIALIZE_REG_SET): New macro.
11972 * flow.c (update_life_info): Use it.
11973 (calculate_global_regs_live): Likewise.
11974 (propagate_block): Likewise.
11975 * global.c (build_insn_chain): Likewise.
11976 * haifa-sched.c (schedule_region): Likewise.
11978 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
11980 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
11981 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
11982 (DWARF_ARANGES_PAD_SIZE): New define.
11983 (output_aranges): Use it to pad the address range header.
11984 (DWARF_ROUND): Fix for non power of 2 rounding.
11986 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
11988 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
11990 2000-03-05 Mark Mitchell <mark@codesourcery.com>
11992 * tree.def (RTL_EXPR): Update documentation.
11993 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
11994 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
11995 * function.c (preserve_rtl_expr_temp): New function.
11996 (preserve_rtl_expr_temps): Likewise.
11997 (preserve_rtl_expr_result): Use it.
12000 2000-03-04 Mark Mitchell <mark@codesourcery.com>
12002 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
12004 * regmove.c (copy_src_to_dest) Do not create src->dest move
12005 for unchanging destination.
12007 2000-03-04 Mark Mitchell <mark@codesourcery.com>
12009 * function.h (struct sequence_stack): Remove rtl_expr.
12010 (struct emit_staus): Likewise.
12011 (seq_rtl_expr): Remove.
12012 * tree.h (free_temps_for_rtl_expr): Don't declare.
12013 (start_sequence_for_rtl_expr): Likewise.
12014 * rtl.h (preserve_rtl_expr_result): Likewise.
12015 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
12016 (start_sequence_for_rtl_expr): Remove.
12017 (push_topmost_sequence): Don't save sequence_rtl_expr.
12018 (pop_topmost_sequence): Remove comment about not restoring it.
12019 (end_sequence): Don't set seq_rtl_expr.
12020 (init_emit): Don't initialize it.
12021 (mark_sequence_stack): Don't mark it.
12022 (mark_emit_status): Likewise.
12023 * except.c (protect_with_terminate): Use
12024 start_sequence_for_rtl_expr, not start_sequence.
12025 * expr.c (expand_expr, case RTL_EXPR): Don't call
12026 preserve_rtl_expr_result or free_temps_for_rtl_expr.
12027 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
12028 (preserve_rtl_expr_result): Remove.
12029 (free_temps_for_rtl_expr): Likewise.
12030 (pop_temp_slots): Likewise.
12031 (mark_temp_slot): Don't mark the rtl_expr.
12032 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
12033 start_sequence_for_rtl_expr.
12035 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
12037 * mkdeps.c, mkdeps.h: New files.
12038 * po/POTFILES.in: Add them.
12039 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
12040 (cpplib.o, cppinit.o): Depend on mkdeps.h.
12041 (mkdeps.o): New target.
12043 * cppfiles.c: Delete deps_output.
12044 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
12045 OBJECT_SUFFIX, and base_name.
12046 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
12048 (initialize_dependency_output): Use deps_init,
12049 deps_add_target, deps_calc_target, and deps_add_dep. Remove
12050 all the unnecessary string bashing.
12051 (cpp_finish): Use deps_write. Remove an unnecessary nesting
12053 * cpplib.c (do_include): Use deps_add_dep.
12054 * cpplib.h (struct cpp_reader): Replace deps_buffer,
12055 deps_allocated_size, deps_size, deps_column members with
12056 single pointer to a struct deps. Delete prototype of
12059 * cppinit.c: Fix thinko in previous patch.
12061 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12063 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
12064 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
12065 (mode_for_size_tree): New function.
12066 (layout_decl, layout_type): Call it and clean up BLKmode checks.
12067 * tree.h (mode_for_size_tree): New declaration.
12069 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
12071 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
12073 * stmt.c (is_body_block): Move...
12074 * dwarfout.c, dwarf2out.c: ...from here.
12075 * tree.h: Declare it.
12076 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
12077 * final.c (final_start_function): Do call remove_unnecessary_notes
12080 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
12082 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
12084 * cpplib.h (_dollar_ok): New macro.
12085 (is_idchar, is_idstart): Use it.
12086 (IStable): Rename to _cpp_IStable. Declare it const if
12087 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
12088 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
12089 is_space): Update for renamed IStable.
12091 * cppinit.c: Delete all references to FAKE_CONST and CAT
12092 macros. Define init_IStable as empty macro if gcc >=2.7 or
12093 C99. Change TABLE() to ISTABLE and hardcode name of table.
12094 (cpp_start_read): Don't change the IStable based on
12097 * cpphash.c (unsafe_chars): Add pfile argument. All callers
12098 changed. Handle '$' for char1 correctly.
12099 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
12101 * cppexp.c (tokentab2): Make const.
12102 (cpp_lex): Make toktab const.
12103 * cppinit.c (include_defaults_array): Make const.
12104 (initialize_standard_includes): Make default_include const.
12106 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
12108 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
12109 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
12110 (gen_decl_die): Likewise.
12111 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
12112 (output_decl): Likewise.
12114 * varasm.c (make_function_rtl): If we change the name used in the
12115 rtl, update DECL_ASSEMBLER_NAME accordingly.
12116 (make_decl_rtl): Likewise.
12118 * toplev.c (rest_of_compilation): Tweak formatting.
12120 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
12121 remove_unnecessary_notes.
12122 (debug_ignore_block): New fn.
12123 * toplev.h: Declare it.
12124 * emit-rtl.c (remove_unncessary_notes): Call it.
12125 * dwarf2out.c (dwarf2out_ignore_block): New fn.
12126 * dwarf2out.h: Declare it.
12127 * final.c (final_start_function): Don't call remove_unnecessary_notes
12128 if we did insn scheduling.
12130 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
12132 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
12133 * cpplib.h: Delete SET_CPP_PEDANTIC.
12135 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12137 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
12138 result is a RECORD_TYPE.
12140 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
12142 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
12144 2000-03-03 Richard Henderson <rth@cygnus.com>
12146 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
12147 addition over compliments over shifts.
12149 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12151 * reload1.c (reload_combine_note_use): Handle return register USEs.
12152 REG case: Handle multi-hard-register hard regs.
12154 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12156 * md.texi: Document use of '*' in insn pattern name.
12158 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
12160 * calls.c (special_function_p): operator new may not be malloc-like.
12162 * gcse.c (dump_hash_table): Really fix error in last change.
12164 2000-03-02 Denis Chertykov <denisc@overta.ru>
12166 * avr.c (print_operand): Use print_operand_address instead of
12168 * avr/libgcc.S: Cleanup code.
12170 2000-03-02 Richard Henderson <rth@cygnus.com>
12172 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
12174 2000-03-02 Mark Mitchell <mark@codesourcery.com>
12176 * tree.h (TYPE_ALIGN_UNIT): New macro.
12178 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
12180 * i386.c: (constant_call_address_operand): Reject CONST_INT.
12182 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
12184 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
12186 (SET_CPP_PEDANTIC): New macro.
12187 * cpplib.c (do_include): Don't bother checking system_header_p.
12188 (do_warning, do_ident, do_assert, do_unassert): Likewise.
12189 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
12191 * function.h (struct expr_status): Add x_arg_space_so_far.
12192 (arg_space_so_far): New macro.
12193 * expr.c (init_expr): Initialize it.
12194 * calls.c (emit_call_1): Reset it.
12195 (compute_argument_block_size, expand_call): Use it.
12196 (expand_call, store_one_arg): Increment it.
12198 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12200 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
12203 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
12205 * cppfiles.c (cpp_read_file): New function.
12207 * cpphash.c (collect_expansion): Make sure to reset last_token
12208 to NORM when we hit a string. Handle trailing whitespace
12209 properly when the expansion is empty.
12210 (create_definition): Disable line commands while parsing the
12212 (dump_definition): If pfile->lineno == 0, output a line
12213 command ahead of the dump, and add a trailing newline.
12215 * cppinit.c (append_include_chain): Add fifth argument, which
12216 indicates whether or not system headers are C++ aware.
12217 (initialize_standard_includes): New function,
12218 broken out of read_and_prescan. Pass 'cxx_aware' value from
12219 the include_defaults_array on to append_include_chain.
12220 (dump_special_to_buffer): Const-ify char array.
12221 (builtin_array): Don't dump __BASE_FILE__.
12222 (cpp_start_read): Use cpp_read_file. Reorder code for
12223 clarity. Don't output line commands here for -D/-A/-U
12224 switches. Don't call deps_output for files included with
12225 -include or -imacros.
12227 * cpplib.c (do_define): Don't pay any attention to the second
12229 (cpp_expand_to_buffer): Disable line commands while scanning.
12230 (output_line_command): Work in the file buffer.
12231 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
12232 Fix formatting of comments. Prototype cpp_read_file.
12234 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12236 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
12237 reference the language-equivalent of sizetype.
12238 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
12239 * fold-const.c (size_binop, size_diffop): Put back checks.
12240 * gcse.c (dump_hash_table): Fix minor error in last change.
12241 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
12242 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
12245 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
12247 * calls.c (expand_call) Do not attempt to combine stack adjustments
12248 with inhibit_defer_pop set.
12250 2000-03-01 Mark Mitchell <mark@codesourcery.com>
12252 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
12253 the DECL_SIZE for a FIELD_DECL.
12255 2000-03-01 Bruce Korb <bkorb@gnu.org>
12257 * fixinc/inclhack.tpl: remove unused symlinks
12258 * fixinc/README: GCC Maintainer info
12259 * fixinc/inclhack.sh: regen
12260 * fixinc/fixincl.sh: regen
12262 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
12264 * cpphash.c (collect_expansion): Trim trailing white space
12265 from macro definitions, but don't go past the last insertion
12268 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
12270 * i386.md (mulqi3): New pattern.
12272 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
12274 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
12276 (struct cpp_reader): Add parsing_if_directive and
12277 parsing_define_directive flags.
12278 (struct cpp_options): Remove output_conditionals flag.
12279 (check_macro_name): Delete prototype.
12281 * cpphash.h (struct macrodef): Delete.
12282 (struct reflist): Separate from struct definition.
12283 (struct definition): Remove unused fields. Add column number.
12284 (create_definition): Returns a DEFINITION *. Takes a
12285 cpp_reader * and an int.
12287 * cpphash.c (SKIP_WHITE_SPACE): Delete.
12288 (PEEKC): Copy defn from cpplib.c.
12289 (rest_extension, REST_EXTENSION_LENGTH): Delete.
12291 (struct arglist): Simplify.
12292 (collect_expansion): Rewrite. Get tokens by calling
12293 cpp_get_token. Add more error checking.
12294 (collect_formal_parameters): New function, broken out of
12295 create_definition and reworked to use get_directive_token.
12296 (create_definition): All real work is now in collect_expansion
12297 and collect_formal_parameters. do_define handles finding the
12298 macro name. Return a DEFINITION, not a MACRODEF.
12299 (macroexpand): Replace bcopy with memcpy throughout. Replace
12300 character-at-a-time copy loop with memcpy and pointer increments.
12301 (compare-defs): d1->argnames / d2->argnames might be null.
12303 * cpplib.c (copy_rest_of_line): Delete function.
12304 (skip_rest_of_line): Do all the work ourselves.
12305 (skip_string): New function.
12306 (parse_string): Use skip_string.
12307 (get_macro_name): New function.
12308 (check_macro_name): Delete.
12309 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
12310 (cpp_skip_hspace): Use CPP_BUMP_LINE.
12311 (handle_directive): ICE if we're called on a macro buffer.
12312 (do_define): Determine macro name and type (funlike/objlike)
12313 here. Expunge all uses of MACRODEF.
12314 (cpp_push_buffer): Set line_base to NULL.
12315 (do_undef, read_line_number): Don't worry about getting a POP token.
12316 (eval_if_expression): Set/reset parsing_if_directive around
12317 cpp_parse_expr. Don't clear only_seen_white.
12318 (skip_if_group): Remove output_conditionals logic. Use
12320 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
12321 tokens under appropriate conditions.
12322 (cpp_unassert): Call do_unassert not do_assert. Oops.
12324 * cppexp.c (parse_defined): New function, break out of
12326 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
12327 ourselves, with cpp_defined.
12328 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
12330 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
12331 * gcc.dg/strpaste-2.c: New.
12333 2000-02-29 Mark Mitchell <mark@codesourcery.com>
12335 * fold-const.c (size_binop): Don't asert inputs are the same and
12336 have TYPE_IS_SIZETYPE set.
12337 (size_diffop): Likewise.
12339 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
12341 * dwarfout.c (output_block): Output abstract blocks even if they
12342 don't have TREE_ASM_WRITTEN set.
12344 * calls.c (emit_library_call): Check for null REG.
12346 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
12348 * c-decl.c (current_function_decl): Move to toplev.c.
12349 (init_decl_processing): Don't add current_function_decl as a ggc
12351 * dbxout.c (dbxout_symbol): Change return type to int.
12352 (dbxout_symbol_location, dbxout_syms): Likewise.
12353 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
12354 any locals. Use current_function_func_begin_label if set.
12355 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
12356 * dwarf2out.c (dwarf2out_begin_prologue): Set
12357 current_function_func_begin_label.
12358 * final.c (final_start_function): Reset it.
12359 * toplev.c (current_function_decl): Define it here.
12360 (current_function_func_begin_label): New variable.
12361 (main): Add both as ggc roots.
12362 * tree.h (current_function_func_begin_label): Declare.
12364 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12366 * gcse.c: Cleanups throughout: mostly white-space, but also
12367 some minor rearrangement of code.
12369 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
12371 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
12372 returns a PARALLEL. Use emit_group_load and use_group_regs
12374 (emit_library_call_value): Similarly.
12376 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
12377 * pa/quadlib.asm: Remove.
12378 * pa/quadlib.c: New file.
12380 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
12381 * configure: Rebuilt.
12383 2000-02-29 Philip Blundell <pb@futuretv.com>
12385 * config/arm/conix-elf.h: New file.
12386 * configure.in (arm*-*-conix*): New configuration.
12387 * configure: Regenerate.
12389 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
12391 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
12392 don't have TREE_ASM_WRITTEN set.
12394 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12396 * Eliminate DECL_FIELD_SIZE.
12397 * builtins.c (built_in_class_names, built_in_names): New variables.
12398 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
12399 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
12400 DECL_SIZE, not DECL_FIELD_SIZE.
12401 * print-tree.c (print_node): Remove code that prints extra blank
12402 lines in some cases.
12403 Properly handle inline and builtin function cases.
12404 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
12405 * tree.h (built_in_class_named, built_in_names): New declarations.
12406 (union tree_decl): Rename internal unions to u1 and u2 and change
12407 some of their components.
12408 Add new field built_in_class.
12409 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
12410 Reflect above changes.
12411 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
12412 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
12413 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
12414 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
12416 2000-02-28 Dmitri Makarov <dim@windriver.com>
12418 * extend.texi: Document ARM's support for long/short calls.
12420 * invoke.texi: Document ARM's -mlong-calls command line switch.
12422 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
12423 (arm_encode_call_attribute): Add prototype.
12424 (arm_set_default_type_attribute): Add prototype.
12425 (arm_strip_name_encoding): Add prototype.
12427 * config/arm/arm.c (arm_init_cumulative_args): replace
12428 initialisation og 'long_calls' field with initialisation of
12429 'call_cookie' field.
12430 (enum arm_pragma_enum): New enum.
12431 (arm_pragma_long_calls): New static variable.
12432 (arm_process_pragma): Also process "#pragma long_calls_off".
12433 (arm_valid_type_attribute_p): Accept short_call attribute.
12434 (arm_comp_type_attributes): Check long/short call attributes.
12435 (arm_encode_call_attribute): New function: Encode long_call
12436 or short_call attribute in function name.
12437 (arm_set_default_type_attributes): New function: Assign
12438 default attributes to newly defined type.
12439 (current_file_function_operand): New function: Return true if
12440 the symbol is a function which has already been compiled.
12441 (arm_is_longcall_p): New function: Return true if the
12442 indicated function should be called via a long call.
12443 (arm_get_strip_length): New function. Returns number of
12444 prefix characters to be stripped from a function's name.
12445 (arm_strip_name_encoding): New function. Strip prefix characters
12446 from a function's name.
12448 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
12449 with 'call_cookie'.
12450 (SHORT_CALL_FAG_CHAR): Define.
12451 (LONG_CALL_FAG_CHAR): Define.
12452 (ENCODED_SHORT_CALL_ATTR_P): Define.
12453 (ENCODED_LONG_CALL_ATTR_P): Define.
12454 (ARM_NAME_ENCODING_LENGTHS): Define.
12455 (STRIP_NAME_ENCODING): Define.
12456 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
12457 (ARM_ENCODE_CALL_TYPE): Define.
12458 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
12459 (ARM_DECLARE_FUNCTION_SIZE): Define.
12460 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
12462 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
12463 if a long call is needed.
12464 (call_value): Ditto.
12465 (call_symbol): Ditto.
12467 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
12468 ARM_DECLARE_FUNCTION_SIZE.
12470 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
12471 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
12472 (ARM_STRIP_NAME_ENCODING): Undefine.
12473 (STRIP_NAME_ENCODING): Undefine.
12474 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
12475 (ASM_DECLARE_FUNCTION_NAME): Ditto.
12476 (ASM_OUTPUT_COMMON): Ditto.
12477 (ASM_DECLARE_OBJECT_NAME): Ditto.
12479 * config/arm/pe.c (arm_dllexport_name_p): Check for
12481 (arm_dllimport_name_p): Ditto.
12482 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
12483 (arm_mark_dllimport): Ditto.
12485 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12487 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
12489 2000-02-28 Mark Mitchell <mark@codesourcery.com>
12491 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
12493 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
12495 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
12496 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
12497 NO_BUILTIN_WCHAR_TYPE is not defined.
12498 (CPP_WCHAR_TYPE): Delete.
12499 * cccp.c (main): Don't change wchar_type if cplusplus.
12500 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
12502 2000-02-28 Nick Clifton <nickc@cygnus.com>
12504 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
12506 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
12508 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
12509 (ASM_WEAKEN_LABEL): Define.
12511 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
12513 * expr.c (store_constructor): Do not emit USE.
12514 * rtl.h (stupid_life_analysis): Remove.
12516 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12518 * function.c (number_blocks): Reset next_block_index based on
12519 what debugging format is used, not what is defined.
12521 * lcm.c: Minor reformatting throughout.
12522 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
12524 * toplev.c (rest_of_compilation): Account for time in
12525 optimize_mode_switching.
12527 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
12528 if only marking labels.
12530 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
12532 * calls.c (expand_call): Attempt to combine stack adjustments with
12533 pending stack adjustments.
12535 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12537 * loop.c (reg_in_basic_block_p): Don't abort when falling through
12538 to the end of the function.
12540 2000-02-27 Mark Mitchell <mark@codesourcery.com>
12542 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
12544 * final.c (next_block_index): Remove.
12545 (max_block_depth): Likewise.
12546 (pending_blocks): Likewise.
12547 (init_final): Don't initialize them.
12548 (final_start_function): Don't set next_block_index. Set up
12550 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
12551 * function.h (number_blocks): New function.
12552 * function.c (get_block_vector): New function.
12553 (identify_blocks): Use it.
12554 (reorder_blocks): Set NOTE_BLOCK.
12555 (number_blocks): New function.
12556 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
12557 * tree.h (BLOCK_NUMBER): New macro.
12558 (tree_block): Add block_num field.
12559 * dbxout.c (next_block_number): Remove.
12560 (dbxout_init): Don't set it.
12561 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
12562 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
12564 * toplev.c (rest_of_compilation): Always call
12565 find_loop_tree_blocks. Fix indentation.
12566 * dwarf2out.c (next_block_number): Remove.
12567 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
12568 to determine block numbers.
12569 (gen_inlined_subroutine_die): Likewise.
12570 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
12571 (decls_for_scope): Don't increment next_block_number.
12572 * dwarfout.c (next_block_number): Remove.
12573 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
12574 to determine block numbers.
12575 (output_inlined_subroutine_die): Likewise.
12576 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
12577 (output_decls_for_scope): Don't increment next_block_number.
12578 * sdbout.c (next_block_number): Remove.
12579 (sdbout_block): Use BLOCK_NUMBER.
12580 (sdbout_begin_block): Simplify.
12581 * xcoffout.c (next_block_number): Remove.
12582 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
12583 (xcoffout_begin_block): Don't set next_block_number.
12584 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
12587 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12589 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
12590 (expand_builtin_strcpy): Pass correct type to size_binop.
12591 (expand_builtin_strcmp): Likewise.
12592 Clean up conditional structure.
12593 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
12594 (complete_array_type): Don't use size_binop for MAXINDEX.
12595 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
12596 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
12597 (c_alignof): Use size_one_node.
12598 (build_unary_op): Pass arg of proper type to size_binop.
12599 (really_start_incremental_init, push_init_level): Use sizetype for
12600 constructor{,_bit,_unfilled}_index.
12601 (pop_init_label, output_init_element): Likewise.
12602 (output_pending_init_elements, process_init_element): Likewise.
12603 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
12604 * expr.c (store_expr): Use size_int.
12605 (store_constructor): Use proper types for size_binop args.
12606 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
12607 (expand_expr_unaligned): Likewise.
12608 (string_contant): Return object of sizetype.
12609 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
12610 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
12611 (ARGS_SIZE_TREE): Pass proper types to size_binop.
12612 * fold-const.c (int_const_binop): Refine when size_int is called.
12613 (fold_convert): Likewise.
12614 (size_int_wide): Rework to take KIND as arg, only take low order
12615 bits, handle new sizetype_tab datatype, and chain entries in
12617 (size_int_type_wide): New function.
12618 (size_binop): Validate types of arguments.
12619 (ssize_binop): Deleted.
12620 (size_diffop): New function.
12621 (extract_muldiv): Only fold division into multiplication for sizetypes.
12622 * function.c (assign_parms): Use size_diffop and make sure
12623 VAR field is of ssizetype; also pass proper type to size_binop.
12624 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
12625 (round_down): Deleted from here.
12626 * store-layout.c (sizetype_tab): Now an array.
12627 (sizetype_set, early_root_list): New variables.
12628 (variable_size): Use size_one_node.
12629 (round_up): Pass proper type to size_binop.
12630 (round_down): Moved to here and corrected as above.
12631 (layout_record): Pass proper arg types to size_binop.
12632 (layout_type): Likewise.
12633 If sizetype_set is zero, record the type just laid out.
12634 (make_unsigned_type): Don't call set_sizetype;
12635 (make_signed_type): Likewise; also, call fixup_signed_type.
12636 (initialize_sizetypes): New function.
12637 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
12638 set name of bitsizetype to "bit_size_type".
12639 Fix up type of sizes of all types made before call.
12640 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
12641 * tree.c (fix_sizetype): Deleted.
12642 (build_common_tree_nodes): Call initialize_sizetypes.
12643 (build_common_tree_nodes_2): Don't call fix_sizetype.
12644 * tree.h (TYPE_IS_SIZETYPE): New macro.
12645 (initialize_sizetype): New declaration.
12646 (enum size_type_kind): New type.
12647 (struct sizetype_tab): Deleted.
12648 (sizetype_tab): Now array; adjust sizetype macros.
12649 (size_diffop, size_int_type_wide): New functions.
12650 (size_int_wide): Change number of args and type; access macros changed.
12651 (ssize_int, sbitsize_int): New macros.
12652 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
12653 (ROUND_TYPE_SIZE_UNIT): New macro.
12655 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
12657 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
12659 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12661 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
12662 Mark as possibly unused.
12664 * cse.c (cse_insn): Delete dead code involving tablejump.
12665 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
12667 * Makefile.in (libcpp.a): Start by deleting it.
12669 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12671 * cpplib.h (enum file_change_code): Added rename_file.
12672 * cpplib.c (do_line): If a filename is given, set file_change to
12674 (output_line_command): If file_change is rename_file, always
12675 output a # directive with the file name.
12677 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
12679 2000-02-26 Mark Mitchell <mark@codesourcery.com>
12681 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
12682 when copying a PARM_DECL or RESULT_DECL.
12684 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12686 * fix-header.c (recognized_function): Also fix prototypes for
12687 functions taking "void".
12689 2000-02-26 Geoff Keating <geoffk@cygnus.com>
12691 * reload1.c (do_output_reload): Check reg_reloaded_valid before
12692 looking at reg_reloaded_contents.
12694 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
12696 * Makefile.in (STMP_FIXINC): New toggle.
12697 (LIBGCC2_DEPS): Delete all references.
12698 (stmp-headers): Delete target. All references either deleted
12699 or changed to stmp-int-headers.
12700 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
12701 (LIBCPP_OBJS): Take out cppalloc.o.
12702 (cppalloc.o): Delete target.
12703 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
12704 (gen-protos, fix-header): Link with libiberty.a.
12705 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
12708 * configure.in: Remove refs to strerror.
12709 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
12710 * system.h: Take out strerror stanza.
12712 * cpperror.c (my_strerror): Delete function.
12713 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
12714 * cppmain.c (main): Call xmalloc_set_program_name first thing.
12715 * cppalloc.c: Delete file.
12716 * gen-protos.c: Don't provide xrealloc.
12718 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
12719 xstrerror throughout.
12721 2000-02-26 Bruce Korb <bkorb@gnu.org>
12723 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
12724 match for DOS headers, too.
12725 * fixinc/inclhack.sh,fixincl.x: Regenerate.
12727 2000-02-26 Geoff Keating <geoffk@cygnus.com>
12729 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
12730 is right for most ELF targets.
12731 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
12732 Let the default file use %U properly.
12733 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
12736 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
12739 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12741 * toplev.c (documented_lang_options): Correct spelling error.
12742 (decode_d_option, decode_f_option, main): Likewise.
12744 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
12746 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
12747 to tell assembler it is permitted to expand large constants.
12749 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
12751 * protoize.c: (AUX_INFO_SUFFIX): New macro.
12752 (aux_info_suffix): Use.
12753 (SAVE_SUFFIX): New macro.
12754 (save_suffix): Use.
12755 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
12756 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
12757 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
12759 * invoke.texi (Running Protoize): Update documentation.
12761 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
12763 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
12765 2000-02-25 John Wehle (john@feith.com)
12767 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
12769 2000-02-25 Anthony Green <green@cygnus.com>
12771 * toplev.c (rest_of_compilation): Rebuild jump labels if
12772 combine_instructions has created a new direct jump.
12773 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
12775 (combine_instructions): Call try_combine with new argument.
12776 Return non-null value when new direct jump instruction is created.
12777 * rtl.h: combine_instructions returns an int.
12779 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
12781 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
12782 jump when changing a computed jump into a jump to a known
12785 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
12787 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
12788 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
12790 * i386.md (define_expand "clrstrsi"): Fix typo.
12792 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
12794 * rtl.texi: Fix typo.
12796 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12798 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
12799 UNITS_PER_WORD. Change caller initial_elimination_offset.
12800 (rounded_frame_size): Take into account that argument pushed has
12801 changed. Fix TARGET_ALIGN_DOUBLE problem.
12803 2000-02-25 Geoff Keating <geoffk@cygnus.com>
12805 * haifa-sched.c (schedule_block): Explain the real reason
12806 we delete REG_SAVE_NOTEs on the first insn of a block.
12807 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
12809 2000-02-24 Mark Mitchell <mark@codesourcery.com>
12811 * input.h (push_srcloc): New function.
12812 (pop_srcloc): Likewise.
12813 * toplev.c (push_srcloc): Define it.
12814 (pop_srcloc): Likewise.
12816 2000-02-24 Richard Henderson <rth@cygnus.com>
12818 * flow.c (life_analysis): When collecting reg info, clear
12821 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12823 Fix bug exposed by reload.c no longer rounding the frame
12824 size to BIGGEST_ALIGNMENT:
12825 * sh.c (rounded_frame_size): New function.
12826 (sh_expand_prologue, sh_expand_epilogue): Use it.
12827 (initial_elimination_offset): Likewise.
12829 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12831 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
12832 * sh-protos.h (sh_need_epilogue): Declare.
12833 * sh.c (sh_need_epilogue_known): New static variable.
12834 (sh_need_epilogue): New function.
12835 (function_epilogue): Clear need_epilogue_known.
12836 * sh.md (return): Split into expander / insn pattern.
12837 Make the expander conditional on ! sh_need_epilogue ().
12839 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
12841 * machmode.h (get_mode_alignment): Declare.
12842 (GET_MODE_ALIGNMENT): Call it.
12843 * stor-layout.c (get_mode_alignment): New function. Make
12844 sure alignment is always power of 2.
12846 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
12848 * i386.h: Remove useless definition of "I386" and misleading
12851 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
12853 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
12854 under which TREE_PERMANENT will be set.
12855 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
12856 build1): Use TREE_SET_PERMANENT.
12857 * print-tree.c (print_node): Don't report value of
12858 TREE_PERMANENT if ggc_p is true.
12860 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
12861 decide whether to give a type a new alias set.
12862 * objc/objc-act.c (build_objc_string_object): Never copy the string.
12863 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
12864 of value of 'obstack'.
12867 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12869 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
12871 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12873 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
12874 * cpplib.c (cpp_get_token): Produce them.
12875 * cppexp.c (cpp_lex): Handle them.
12877 2000-02-23 Nick Clifton <nickc@cygnus.com>
12879 * config/arm/arm.c (arm_comp_type_attributes): Simply and
12880 comment tests on type attributes.
12882 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12884 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
12885 conform to documentation.
12886 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
12887 to check for special cases.
12888 * sh-protos.h (sh_loop_align): Declare.
12889 * sh.c (sh_loop_align): Define.
12891 2000-02-22 Andrew Haley <aph@cygnus.com>
12893 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
12894 (SIZE_TYPE): Is 32 bits when using -mgp32.
12895 (PTRDIFF_TYPE): Ditto.
12897 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12899 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
12901 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
12903 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
12904 BIGGEST_FIELD_ALIGNMENT a constant.
12906 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
12908 * dwarf2out.c (output_line_info): Put the marker for the end of
12909 the line number info at the actual end.
12910 (gen_struct_or_union_type_die): Use decl_function_context
12911 to check for local classes.
12912 * dwarfout.c (output_type): Likewise.
12914 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
12916 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
12917 for arguments with a mode, but no type.
12918 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
12919 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
12920 * pa/long_double.h: New file.
12921 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
12922 both have 128bit wide long doubles.
12923 * configure: Rebuilt.
12925 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12927 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
12929 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
12930 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
12931 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
12933 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
12935 * integrate.c (compare_blocks, find_block): Likewise.
12937 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
12939 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
12941 * stmt.c (stmt_status, set_file_and_line_for_stmt,
12942 expand_asm_operands): Likewise.
12944 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
12946 * predict.c (estimate_probability): Added the pointer heuristic to
12947 the collection of static branch predictors.
12949 2000-02-21 Catherine Moore <clm@cygnus.com>
12951 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
12952 * invoke.texi (-mfix7000): Document.
12954 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
12956 * diagnostic.c (init_output_buffer): Make it possible to output at
12957 least 32 characters if we're given a too long prefix.
12959 2000-02-20 Mark Mitchell <mark@codesourcery.com>
12961 * varasm.c (initializer_constant_valid_p): Call
12962 lang_expand_constant to simplify the constant.
12964 2000-02-20 Bruce Korb <bkorb@gnu.org>
12966 * fixinc/inclhack.def(stdio_va_list):
12967 typedef needs to be disabled.
12968 * fixinc/inclhack.sh: regen
12969 * fixinc/fixincl.x: regen
12971 2000-02-20 Geoff Keating <geoffk@cygnus.com>
12973 * print-rtl.c (print_rtx): Don't print addresses when
12974 flag_dump_unnumbered.
12976 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12978 * sparc.c (sparc_output_scratch_registers): Mark parameter with
12980 (sparc_va_arg, sparc_flat_output_function_prologue,
12981 sparc_flat_output_function_epilogue): Cast value to unsigned in
12983 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
12985 * sparc.md: Add default case in switch.
12987 2000-02-19 Richard Henderson <rth@cygnus.com>
12989 * c-typeck.c (add_pending_init): Don't abort for multiple
12990 fields at the same offset.
12991 (pending_init_member): Test the correct member.
12993 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12995 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
12997 (start_catch_handler) : Same.
12999 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
13001 * Makefile.in: Have flow.o depend on $(EXPR_H)
13003 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13005 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
13006 * c-decl.c (duplicate_decls, finish_enum): Likewise.
13007 (finish_decl): Remove -Wlarger-than code from here.
13008 * flags.h (id_clash_len): Now int.
13009 (larger_than_size): Now HOST_WIDE_INT.
13010 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
13011 Clean up checking to see if in table.
13012 (make_bit_field_ref): Remove extra parm to bitsize_int.
13013 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
13014 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
13015 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
13016 and for computing size of decl.
13017 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
13018 Move -Wlarger-than code to here.
13019 (layout_record): Remove extra arg to bitsize_int.
13020 Set TYPE_BINFO_SIZE_UNIT.
13021 (layout_union): Remove extra arg to bitsize_int.
13022 Use proper type for size of QUAL_UNION.
13023 (layout_type): Remove extra arg to bitsize_int.
13024 * toplev.c (id_clash_len): Now int.
13025 (larger_than_size): Now HOST_WIDE_INT.
13026 (decode_W_option): Clean up id-clash and larger-than- cases.
13027 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
13028 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
13029 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
13030 (struct tree_decl): New field size_unit.
13031 (size_int_wide): No HIGH operand; NUMBER is now signed.
13032 (size_int_2): Deleted.
13033 (size_int, bitsize_int): Don't use it and rework args.
13034 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
13036 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
13038 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
13040 2000-02-18 Geoff Keating <geoffk@cygnus.com>
13042 * invoke.texi (Warning Options): Add an explanation of why
13043 you might want the -Wfloat-equal flag.
13045 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13047 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
13048 * cppinit.c (new_pending_define): Add cast to avoid warning.
13049 * expmed.c (extract_bit_field): Likewise.
13050 * flow.c (enum reorder_skip_type): New type.
13051 (skip_insns_between_blcok): New it.
13052 Rework to avoid warning about possibly undefined variable.
13053 * function.c (assign_parms): Make thisparm_boundary unsigned.
13054 * genrecog.c (write_switch): Cast XWINT result to int.
13055 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
13056 * mips-tfile.c (init_file): Make two versions of FDR intializer:
13057 one for MIPS and one for Alpha.
13058 (get_tag, copy_object): Add casts to avoid warnings.
13059 * optabs.c (init_one_libfunc): Cast NAME to (char *).
13060 * reload.c (find_reloads): Make TYPE enum reload_type.
13061 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
13062 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
13063 * varasm.c (compare_constant_1): Add cast to avoid warning.
13064 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
13066 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
13067 Cast switch operand of size to int.
13068 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
13069 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
13072 2000-02-18 Nick Clifton <nickc@cygnus.com>
13074 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
13075 anything for an alignment of zero.
13077 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
13078 anything for an alignment of zero.
13080 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
13082 * gcc.texi (Bug Reporting): Refer to bugs.html.
13083 (Bug Lists): Likewise.
13084 * system.h (GCCBUGURL): New preprocessor define.
13085 * rtl.c (fancy_abort): Use it.
13086 * gcc.c (main): Likewise.
13088 2000-02-18 Richard Henderson <rth@cygnus.com>
13090 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
13091 (life_analysis_1): Subsume into ...
13092 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
13093 Use update_life_info for the relaxation.
13094 (update_life_info): Update REG_BASIC_BLOCK for registers live on
13095 entry and regs_live_at_setjmp.
13096 (set_noop_p): Simplify.
13097 (notice_stack_pointer_modification_1): Renamed from s/_1//.
13098 (record_volatile_insns): Split into ...
13099 (delete_noop_moves): ... here,
13100 (notice_stack_pointer_modification): ... here,
13101 (insn_dead_p): ... and here.
13102 (propagate_block): Don't query INSN_VOLATILE.
13103 (mark_used_regs): Mind !PROP_REG_INFO.
13104 * toplev.c (rest_of_compilation): Call mark_constant_function here,
13105 not in life_analysis.
13107 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
13109 * loop.c (canonicalize_condition): New function,
13110 broken out of get_condition.
13111 (get_condition): Use it.
13112 * expr.h (canonicalize_condition): Prototype it.
13114 * tree.h (tree_int_cst_msb): Declare.
13115 * tree.c (tree_int_cst_msb): New function.
13117 2000-02-17 Mark Mitchell <mark@codesourcery.com>
13119 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
13122 * invoke.texi (-fmessage-length=n): Document.
13124 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
13126 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
13128 2000-02-17 Mark Mitchell <mark@codesourcery.com>
13130 * function.c (thread_prologue_and_epilogue_insns): Put a line note
13131 after the prologue.
13133 2000-02-17 Nick Clifton <nickc@cygnus.com>
13135 * config/arm/thumb.c: Replace includes of system headers with
13136 #include "system.h".
13138 2000-02-16 Richard Henderson <rth@cygnus.com>
13140 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
13141 Add crtbeginS.o and crtendS.o.
13142 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
13143 (ENDFILE_SPEC): Use crtendS.o.
13144 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
13146 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
13147 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
13148 shared and present.
13149 (__dso_handle): New variable.
13150 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
13151 bias to __CTOR_END__.
13153 2000-02-16 Richard Henderson <rth@cygnus.com>
13155 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
13157 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
13159 * longlong.h (__clz_tab): Declare as static to match definition.
13161 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
13163 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
13164 (XREF_FILE_NAME): Define.
13166 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
13167 (EH_FRAME_SECTION_ASM_OP): Define.
13168 (IDENT_ASM_OP): Define.
13169 (TEXT_SECTION_ASM_OP): Define.
13170 (CPP_SPEC): Define.
13171 (CTORS_SECTION_ASM_OP): Define.
13172 (CTOR_SECTION_FUNCTION): Use it.
13173 (DTORS_SECTION_ASM_OP): Define.
13174 (DTOR_SECTION_FUNCTION): Use it.
13176 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
13178 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
13181 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
13182 debug_bb_n): New functions.
13183 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
13184 * basic-block.h: Prototype new functions.
13186 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
13188 * configure.in: Add support for avr target.
13189 * configure: Rebuilt.
13191 * invoke.texi: Add AVR invocation docs.
13192 * install.texi: Add information about AVR.
13193 * md.texi: Add AVR constraint letters description.
13194 * extend.texi: Add description for AVR specific attributes.
13196 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
13198 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
13200 2000-02-16 Nick Clifton <nickc@cygnus.com>
13202 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
13203 (make_insn_raw): Move RTL check here.
13205 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13207 * version.c: Include gansidecl.h and version.h.
13209 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
13211 * configure.in (gcc_version): When setting, narrow search to
13212 lines containing `version_string'.
13214 * Makefile.in (mainversion): Likewise.
13215 (GCC_H): New variable.
13216 (gcc.h): Delete target.
13217 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
13218 (version.o): Depend on version.h.
13219 (dbxout.o): Don't depend on gcc.h.
13221 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
13222 Michael Meissner <meissner@cygnus.com>
13224 * md.texi (Simple Constraints): Add item about whitespace.
13225 * genoutput.c (strip_whitespace): New.
13226 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
13227 strip_whitespace for constraints.
13228 Test pointer using NULL, not 0.
13230 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13232 * cpplib.c (do_line): Pedwarn for #line > 32767.
13234 * c-lex.c (readescape): Warn about '\x', but do not reject it.
13236 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
13238 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
13239 to default cpp spec.
13240 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
13241 * cpp.texi: Document __GNUC_PATCHLEVEL__.
13244 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
13247 2000-02-15 Denis Chertykov <denisc@overta.ru>
13249 * configure.in: Add support for avr target.
13251 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13253 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
13254 (sh_addr_diff_vec_mode): Don't declare.
13255 * sh.c (sh_addr_diff_vec_mode): Delete.
13257 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13259 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
13261 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13263 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
13264 (smulsi3_highpart_i): Name.
13265 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
13266 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
13267 (smulsi3_highpart, umulsi3_highpart): Likewise.
13269 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
13270 correctly independent of endianness.
13271 (mulsidi3, umulsidi3): Now define_insn. Hide details that
13272 confuse the optimizers.
13273 (mulsidi3+1, umulsidi3+1): New define_split.
13275 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
13277 * config/sh/sh.md: Guard insn splits against illegal registers.
13278 * config/sh/sh.h: Correct comment about macros.
13280 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13281 Andrew MacLeod <amacleod@cygnus.com>
13283 * Makefile.in (lcm.o): Depend on insn-attr.h.
13284 * basic-block.h (optimize_mode_switching): Declare.
13285 * lcm.c (tm_p.h, insn-attr.h): #include.
13286 (seginfo, bb_info): New structs.
13287 (antic, transp, comp, delete, insert) : New file-scope static variables.
13288 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
13289 (reg_becomes_live, optimize_mode_switching): Likewise.
13290 * tm.texi: Add description of mode switching macros.
13291 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
13293 * sh-protos.h (remove_dead_before_cse): Remove prototype.
13294 (fldi_ok, fpscr_set_from_mem): New prototypes.
13295 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
13296 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
13297 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
13298 (sh_flag_remove_dead_before_cse): Remove declaration.
13299 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
13300 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
13301 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
13302 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
13303 (barrier_align): Allow for JUMP_INSNS containing a parallel.
13304 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
13305 (fldi_ok): New function.
13306 (get_fpscr_rtx): Add fpscr_rtx as GC root.
13307 (emit_sf_insn): Only generate fpu switches when optimize < 1.
13308 (emit_df_insn): Likewise.
13309 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
13310 (sh_flag_remove_dead_before_cse): Delete.
13311 (get_free_reg, fpscr_set_from_mem): New functions.
13312 * sh.md (movdf, movsf): Remove no_new_pseudos code.
13313 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
13315 2000-02-15 Loren Rittle <ljrittle@acm.org>
13317 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
13319 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13321 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
13322 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
13324 * cccp.c: Include version.h and/or don't declare `version_string'.
13325 * collect2.c: Likewise.
13326 * alpha.c: Likewise.
13327 * arm/aof.h: Likewise.
13328 * arm/coff.h: Likewise.
13329 * arm/elf.h: Likewise.
13330 * arm/pe.h: Likewise.
13331 * arm/tcoff.h: Likewise.
13332 * arm/telf.h: Likewise.
13333 * arm/tpe.h: Likewise.
13334 * arm/vxarm.h: Likewise.
13335 * convex/convex.c: Likewise.
13336 * i386/dgux.c: Likewise.
13337 * i386/sun386.h: Likewise.
13338 * m88k/m88k.c: Likewise.
13339 * mcore/mcore-pe.h: Likewise.
13340 * mips/mips.h: Likewise.
13341 * romp/romp.h: Likewise.
13342 * sh/sh.c: Likewise.
13343 * cpphash.c: Likewise.
13344 * cppinit.c: Likewise.
13345 * dwarf2out.c: Likewise.
13346 * dwarfout.c: Likewise.
13349 * mips-tfile.c: Likewise.
13350 * protoize.c: Likewise.
13351 * toplev.c: Likewise.
13352 * tree.h: Likewise.
13354 * version.c (version_string): Constify a char*.
13356 * version.h: New file.
13358 2000-02-14 Nick Clifton <nickc@cygnus.com>
13360 * configure.in: Add mcore-elf and mcore-pe targets.
13361 * configure: Regenerate.
13363 * NEWS: Add note that MCore port has been contributed.
13365 * invoke.texi: Document command line switches for MCore port.
13366 * install.texi: Add MCore to list of supported targets.
13368 2000-02-14 Geoff Keating <geoffk@cygnus.com>
13370 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
13371 then we will need to import the frame handling functions.
13372 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
13373 to import the frames themselves.
13375 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
13376 Jason Eckhardt <jle@cygnus.com>
13378 * basic_block.h: Added prototype for reorder_basic_blocks.
13379 * toplev.c: Changes to add -freorder-blocks and graph dump after
13380 block reordering is done.
13381 * flow.c (reorder_block_def): New structure for use during block
13383 (REORDER_BLOCK_*): New macros to access members of above structure.
13384 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
13385 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
13386 functions for block reordering.
13388 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
13390 * gcc.texi (Passes): Fix typo.
13391 * md.texi (Standard Names): Ditto.
13392 * tm.texi (Storage Layout): Ditto.
13394 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
13396 * cpplib.c (do_define): Only free the old definition if it
13399 2000-02-13 Neil Booth <NeilB@earthling.net>
13401 * cppfiles.c (read_and_prescan): When emitting deferred
13402 newlines, test speccase[] again instead of checking each
13403 possible whitespace character in turn. When we encounter \r,
13404 look behind for \n first, then ahead.
13406 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
13408 * cse.c (cse_altered): New internal flag.
13409 (cse_insn): Set it if we changed an insn.
13410 (cse_main): Clear cse_altered before each basic block.
13411 Only garbage collect if cse_altered is true afterward.
13413 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13415 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
13417 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
13419 * combine.c (simplify_comparison): Fix typo.
13421 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
13423 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
13426 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13428 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
13429 previously inserted node instead of root node. Caller changed.
13431 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13433 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
13435 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13437 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
13438 __dereg_frame_dtor): Add prototype argument.
13440 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
13442 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
13444 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
13446 * gthr-vxworks.h (__gthread_once): Likewise.
13448 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
13450 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
13452 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
13453 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
13454 stack pointer in functions w/o saved registers, output LEAVE more often
13455 on TARGET_USE_LEAVE machines.
13457 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
13459 * config/arm/arm.c (arm_init_cumulative_args); New function:
13460 Initlaise the CUMULATIE_ARGS strcuture for a function
13462 (arm_function_arg): New function: Determine where to place a
13463 function's argument. Also handles deciding the function's
13465 (current_file_function_operand): New function: Return true if
13466 the symbol is a function which has already been compiled.
13467 (arm_is_long_call_p): New function: Return true if the
13468 indicated function should be called via a long call.
13469 (arm_valid_type_attribute_p): New function: Return true if the
13470 attribute is a valid, arm specific, attribute.
13471 (arm_comp_type_attribute): New function: Return true if the
13472 two types have compatable, arm specific, attributes.
13474 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
13476 (FUNCTION_ARG): Redefine to call arm_function_arg.
13477 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
13479 (INIT_CUMULATIVE_ARGS): Redefine to call
13480 arm_init_cumulative_args.
13481 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
13483 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
13485 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
13487 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
13488 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
13489 (COMP_TYPE_ATTRIBUTES): Define.
13491 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
13492 if a long call is needed.
13493 (call_value): Call arm_is_long_call_p to decide if a long call
13495 (call_symbol): Call arm_is_long_call_p to decide if a long call
13498 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
13500 2000-02-11 Denis Chertykov <denisc@overta.ru>
13502 * README.AVR: New file with information about the avr ports.
13503 * config/avr: New directory with avr port files.
13505 2000-02-11 Andreas Jaeger <aj@suse.de>
13507 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
13509 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
13511 * cpphash.c: Fix formatting, update commentary.
13512 (dump_definition): Take three separate arguments instead of a
13513 MACRODEF structure argument.
13514 * cpphash.h: Update prototype of dump_definition.
13515 * cppinit.c (cpp_finish): Update call of dump_definition.
13517 * cpplib.c (do_define): Always create new hash entry with
13518 T_MACRO type. Remove redundant check for redefinition of
13519 poisoned identifier. Update call of dump_definition.
13520 (do_undef): Don't call check_macro_name. Rename sym_length to
13522 (do_error, do_warning): Don't use copy_rest_of_line or
13524 (do_warning): Don't use pedwarn for the actual warning,
13525 only the notice about its not being in the standard. (Fixes
13526 bug with #warning in system headers.)
13527 (do_ident): Stricter argument checking - accept only a single
13528 string after #ident. Also, macro-expand the line.
13529 (do_xifdef): Use cpp_defined. De-obfuscate.
13531 (do_pragma): Split out specific pragma handling to separate
13532 functions. Use get_directive_token. Update commentary. Do
13533 not pass on #pragma once or #pragma poison to the front end.
13534 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
13535 do_pragma_default): New.
13537 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
13539 * jump.c (jump_optimize_1): The first operand in a relational
13540 can be a CONST_INT.
13541 * optabs.c (emit_conditional_move): Handle relationals which
13542 have a known true/false result.
13544 2000-02-11 Geoff Keating <geoffk@cygnus.com>
13546 * function.c (thread_prologue_and_epilogue_insns): Don't insert
13547 a RETURN insn into a block which already ends with a jump.
13549 2000-02-11 Geoff Keating <geoffk@cygnus.com>
13551 * haifa-sched.c (BUF_LEN): Increase a lot.
13553 2000-02-11 Nick Clifton <nickc@cygnus.com>
13555 * configure.in: Add tm_p_file specification for thumb targets.
13556 * configure: Regenerate.
13558 * config/arm/thumb-protos.h: New file: Prototypes for exported
13559 functions defined in thumb.c.
13561 2000-02-11 Robert Lipe <robertl@sco.com>
13563 * Makefile.in (bootstrap-lean): Remove additional files.
13564 (bootstrap2-lean): Likewise.
13565 (VOL_FILES): List of files for above.
13567 2000-02-11 Nathan Sidwell <nathan@acm.org>
13569 * cpphash.c (special_symbol): Remove spurious argument to
13572 2000-02-11 Joel Sherrill (joel@OARcorp.com>
13574 * configure.in: (i*86-*-rtems*): Swapped elf and coff
13576 * configure: Rebuilt.
13578 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
13580 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
13582 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
13584 * pa.c, pa.h: Remove trigraph sequences within comments.
13586 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
13588 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
13590 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
13592 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
13594 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13596 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
13598 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13600 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
13601 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
13602 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
13603 (ASM_FILE_END): Use c4x_file_end.
13604 * config/c4x/c4x.c (c4x_global_label): New function.
13605 (c4x_external_ref, c4x_file_end): Likewise.
13607 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
13608 (c4x_external_ref, c4x_end_file): Likewise.
13610 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
13612 * cppexp.c: Don't include cpphash.h.
13613 (parse_charconst, cpp_lex): Use cpp_defined.
13614 (cpp_lex): Use get_directive_token throughout. Remove
13615 unnecessary cases from switch. Move assertion-handling code
13616 down to OTHER case.
13617 (cpp_parse_expr): If we see '+' or '-', check the context to
13618 determine if they are unary or binary operators. Streamline
13619 the jumps a bit. Do not call skip_rest_of_line.
13621 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
13622 static. Export get_directive_token. Update commentary.
13623 (cpp_defined): New function.
13624 (do_define): Remove reference to T_PCSTRING. Call
13625 free_definition to release memory for old definition, when
13626 redefining a macro.
13627 (eval_if_expression): Set only_seen_white to 0 before calling
13628 cpp_parse_expr. Call skip_rest_of_line after it returns.
13629 (cpp_read_check_assertion): Don't preserve a pointer into the
13630 token buffer across a call to cpp_get_token.
13632 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
13633 * cppfiles.c (redundant_include_p): Use cpp_defined.
13634 * cpphash.c (free_definition): New function.
13635 (delete_macro): Use it. Update commentary.
13636 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
13638 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
13639 from enum node_type. Prototype cpp_defined and get_directive_token.
13640 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
13642 * fix-header.c (check_macro_names): Use cpp_defined.
13643 (read_scan_file): Set inhibit_warnings and inhibit_errors in
13644 the options structure.
13646 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13648 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
13650 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
13652 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
13653 rather than die->die_tag.
13655 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13657 * combine.c (make_extraction, force_to_mode): Avoid warning on
13658 mixed-signedness conditionals.
13659 (make_field_assignment, nonzero_bits): Likewise.
13660 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
13661 (store_split_bit_field, extract_split_bit_field): Likewise.
13662 (extract_fixed_bit_field, store_bit_field,
13663 * expr.c: Change alignment to be unsigned everywhere.
13664 (move_by_pieces, store_constructor_field, store_constructor):
13665 Alignment parm is unsigned.
13666 (emit_block_move, emit_group_load, emit_group_store): Likewise.
13667 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
13668 (do_compare_rtx_and_jump): Likewise.
13669 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
13670 Compare align with GET_MODE_ALIGNMENT.
13671 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
13672 (get_inner_reference): Likewise.
13673 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
13674 (expand_assignment): Local vars for alignment now unsigned.
13675 (store_constructor, store_field, expand_expr, do_jump): Likewise.
13676 (do_compare_and_jump): Likewise.
13677 (store_field): Call new function expr_align.
13678 * expr.h (emit_block_move, emit_group_load, emit_group_store):
13679 Alignment arg now unsigned.
13680 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
13681 (do_compare_rtx_and_jump, store_bit_field): Likewise.
13682 (extract_bit_field): Likewise.
13683 * fold-const.c (add_double): Add cast to eliminate signedness warning.
13684 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
13685 (get_best_mode): Alignment arg is unsigned.
13686 * rtl.h (move_by_pieces): Likewise.
13687 * store-layout.c (maximum_field_alignment, set_alignment):
13689 (layout_decl): Alignment arg is now unsigned.
13690 Remove unneeded casts.
13691 (layout_record, layout_union, layout_type): Remove unneeded casts.
13692 Local alignment variables now unsigned.
13693 (get_best_mode): Alignment arg now unsigned.
13694 * tree.c (expr_align): New function.
13695 * tree.h (expr_align): Likewise.
13696 (maximum_field_alignment, set_alignment): Now unsigned.
13697 (get_inner_reference): Alignment argument is now pointer to unsigned.
13698 * varasm.c (assemble_variable): Add cast to eliminate warning.
13700 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
13702 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
13703 then store directly into op0.
13705 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
13706 the CALL_INSN, and emit the note immediately after it.
13708 2000-02-10 Nick Clifton <nickc@cygnus.com>
13710 * config/arm/thumb.md (epilogue): Include a (return) in the
13711 generated insn, and emit it using emit_jump_insn not
13714 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
13716 * function.c (assign_temp): Change zero-sized arrays to size 1.
13717 * integrate.c (expand_inline_function): Do not update
13718 stack_alignment_needed
13719 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
13720 add some sanity checking, remove optimization for function with
13723 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13725 * flow.c (mark_regs_live_at_end): Delete unused variables.
13727 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
13729 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
13730 in macro FRAME_GROWS_DOWNWARD.
13732 * stmt.c (expand_end_bindings): Delete unused variable.
13734 * unroll.c (iteration_info): Mark parameter `loop' with
13737 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13739 * fixinc/server.c (load_data): Return NULL if the marker line is
13741 (run_shell): If load_data returns NULL, retry the command once, in
13744 * configure: Rebuilt.
13746 2000-02-09 Bruce Korb <bkorb@gnu.org>
13748 * gcc/fixincludes: ** DELETED **
13749 * gcc/fixcpp: ** DELETED **
13750 * gcc/fixinc-nt.sed: ** DELETED **
13751 * gcc/just-fixinc: ** DELETED **
13752 * gcc/Makefile.in: Removed out-dated commentary
13753 * gcc/configure.in: Removed fast-fixincludes disablement.
13754 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
13756 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
13757 * function.c (thread_prologue_and_epilogue_insns): Uncomment
13760 2000-02-09 Richard Henderson <rth@cygnus.com>
13762 * jump.c (delete_insn): Don't delete user labels at -O0.
13764 2000-02-09 Robert Lipe <robertl@sco.com>
13766 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
13767 Don't link with HOST_LIBS.
13769 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
13771 * configure.in: Correct --help text for --with-dwarf2.
13772 Put tm-dwarf2.h after other tm files, if it's requested.
13773 * configure: Regenerate.
13774 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
13777 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
13779 * cpplib.h: Provide HASHNODE typedef and forward decl of
13780 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
13781 DEFINITION, struct hashnode, struct macrodef, struct
13782 definition, scan_decls prototype, default defn of
13783 INCLUDE_LEN_FUDGE moved elsewhere.
13785 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
13786 definition, and struct hashnode moved here. Remove the unused
13787 'predefined' field from struct definition. Replace the 'args'
13788 union with its sole member. All users updated (cpphash.c).
13789 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
13790 multiple include guard.
13792 * cpphash.c (hashf): Make static; use better algorithm; drop
13793 HASHSIZE parameter; return an unsigned int.
13794 (cpp_lookup): Drop HASH parameter. PFILE parameter is
13795 used. Calculate HASHSIZE modulus here.
13796 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
13798 (create_definition): Drop PREDEFINITION parameter.
13799 * cpplib.c (do_define): Don't calculate a hash value here.
13800 Don't pass (keyword == NULL) to create_definition.
13802 * scan.h: Prototype scan_decls here.
13803 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
13804 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
13805 callers of cpp_lookup and cpp_install updated.
13807 * cpphash.c (macarg): Hoist all the flag diddling out of the
13809 (macroexpand): ... and out of the loop that calls macarg.
13810 Skip over the initial paren before macro arguments with
13811 cpp_get_non_space_token; point may be some distance before
13812 that paren. Abort if it's not there.
13814 * cpplib.c (parse_clear_mark): Delete function.
13815 (parse_set_mark, parse_goto_mark): Make static.
13816 (ACTIVE_MARK_P): New macro.
13817 (skip_block_comment, skip_line_comment): Do not bump the line
13818 if ACTIVE_MARK_P is true.
13819 (cpp_pop_buffer): The buffer to be popped may not have an
13821 (cpp_get_token): When looking for the initial paren before
13822 macro arguments, only set a mark in a file buffer, Always
13823 return to that mark before proceeding to call macroexpand or
13824 return a NAME token.
13826 * cpplib.h: Remove prototypes of parse_set_mark,
13827 parse_clear_mark, parse_goto_mark.
13828 (struct cpp_options): Rename 'put_out_comments' to
13829 'discard_comments' and invert its sense.
13830 * cppinit.c, cpphash.c, cpplib.c: All users of
13831 put_out_comments changed to use discard_comments, with
13834 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
13836 * function.c (thread_prologue_and_epilogue_insns): Don't delete
13837 the edge from a block that both jumps and falls through to the
13840 2000-02-09 Scott Bambrough <scottb@netwinder.org>
13842 * config/arm/arm.md (movsi): In PIC mode, make sure that a
13843 constant source address is legitimate.
13845 2000-02-09 Philip Blundell <pb@futuretv.com>
13847 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
13850 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
13852 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
13854 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
13856 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
13857 ends with a newline and a NUL. Don't be so clever manipulating
13860 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
13862 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
13863 not to BIGGEST_ALIGNMENT.
13865 2000-02-08 Geoff Keating <geoffk@cygnus.com>
13867 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
13868 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
13869 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
13870 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
13871 * frame.c (execute_cfa_insn): Handle
13872 DW_CFA_GNU_negative_offset_extended.
13874 2000-02-08 Richard Henderson <rth@cygnus.com>
13876 * flow.c (tidy_fallthru_edges): Split out from ...
13877 (delete_unreachable_blocks): ... here.
13878 (find_basic_blocks): Use it.
13880 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13882 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
13884 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
13886 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
13887 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
13888 (fix-header.o): Don't depend on cpphash.h.
13890 * scan.c (hashstr): New function.
13891 * scan.h: Prototype it.
13892 * fix-header.c: Don't include cpphash.h. Use hashstr.
13893 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
13894 hashstr. Report hash table statistics. Add private
13895 definition of xrealloc.
13897 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13899 * i386.h (TARGET_SWITCHES): Fix typo in option name.
13901 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
13903 * function.c (thread_prologue_and_epilogue_insns): Don't replace
13904 jumps with returns unless they are jumps to the fallthru block.
13906 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
13908 * i386.md (addqi3_cc): Fix contraints.
13910 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
13912 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
13914 2000-02-07 Mark Mitchell <mark@codesourcery.com>
13916 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
13917 carriage return after a macro name.
13919 2000-02-07 Fred Fish <fnf@be.com>
13921 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
13922 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
13924 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
13926 * cppfiles.c (deps_output): Count spacers in deps_column.
13928 2000-02-07 Neil Booth <NeilB@earthling.net>
13930 * cppinit.c (initialize_dependency_output): If there is no
13931 suffix, don't try to look for known suffixes. Use strrchr.
13932 (cpp_start_read): Remove duplicate initialization.
13934 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
13936 * calls.c (compute_argument_block_size): New argument
13937 preferred_stack_boundary.
13938 (expand_call): update cfun->preferred_stack_boundary, update call of
13939 compute_argument_block_size
13940 (emit_library_call): Increate cfun->preferred_stack_boundary
13941 to PREFERRED_STACK_BOUNDARY
13942 (emit_library_call_value): Likewise.
13943 * explow.c (allocate_dynamic_stack_spave): Likewise.
13944 * function.c (prepare_function_start): Set
13945 cfun->preferred_stack_boundary
13946 * function.h (struct function): Add preferred_stack_boundary field.
13947 * integrate.c (expand_inline_function): Update
13948 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
13949 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
13950 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
13952 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
13954 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
13955 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
13956 cpp_pedwarn, cpp_pedwarn_with_line,
13957 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
13958 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
13959 v_cpp_error_with_line, v_cpp_warning_with_line,
13960 cpp_message_from_errno, cpp_perror_with_name): Delete.
13962 * cpperror.c (cpp_print_containing_files): Take starting
13963 buffer as argument.
13964 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
13965 (v_cpp_message): Now called directly by all entry points.
13967 (cpp_pfatal_with_name, cpp_message): Delete.
13968 (cpp_notice_from_errno, cpp_ice): New functions.
13969 (cpp_notice): Is now for reporting error conditions, just
13970 without an associated file.
13971 (cpp_error, cpp_error_with_line): Don't do anything if
13972 opts->inhibit_errors is on.
13973 (cpp_pedwarn_with_file_and_line): Take column argument also.
13975 * cpplib.h: Update prototypes of exported functions.
13976 (struct cpp_options): Add inhibit_errors.
13978 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
13979 non-error messages. Include intl.h.
13981 * cppinit.c, cppmain.c: Likewise. Also, use
13982 cpp_notice_from_errno instead of cpp_perror_with_name or
13983 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
13985 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
13986 report internal errors.
13988 * cpplib.c (do_define): Switch bcopy to memcpy.
13989 Give cpp_pedwarn_with_file_and_line a dummy column argument.
13991 * cpplib.c (copy_rest_of_line): Revert previous change: don't
13992 bail out early if we hit a line comment.
13994 2000-02-06 Richard Henderson <rth@cygnus.com>
13996 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
13997 * basic-block.h: Declare them.
13998 * emit-rtl.h (active_insn_p): New.
13999 (next_active_insn, prev_active_insn): Use it.
14000 * rtl.h: Declare it.
14001 * function.c (emit_return_into_block): New.
14002 (thread_prologue_and_epilogue_insns): Insert return insns instead
14003 of epilogues when possible.
14004 * jump.c (jump_optimize_1): Remove code to insert a return insn
14005 on the fallthru to the exit block.
14007 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
14008 and for non-empty stack frames.
14009 * i386.md (return): Expand to return-pop as needed.
14011 2000-02-06 Richard Henderson <rth@cygnus.com>
14013 * simplify-rtx.c (simplify_relational_operation): Canonicalize
14014 constant to op1 for testing.
14016 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14018 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
14019 (fixuns_truncqfqi2): Use it.
14021 2000-02-06 Richard Henderson <rth@cygnus.com>
14023 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
14024 as a TYPE_LEA insn.
14026 * i386.md (widening and peepholes): Mask the constant instead of
14029 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
14031 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
14032 input pointer before possibly branching off to the backslash
14034 * cpphash.c (macroexpand): Correctly delete \r escapes when
14035 stringifying parameters.
14036 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
14037 if we can; bail out early if we hit a line comment.
14038 (handle_directive): Treat '# 123' in an .S file just like
14039 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
14040 Return 1 for '# not_a_directive'.
14041 (get_directive_token): Pop macro buffers here, so that
14042 cpp_get_token can't sneakily move past a newline.
14044 (cpp_get_token): goto randomchar if handle_directive returns 0.
14046 * cppalloc.c: Update copyright.
14047 * cpplib.c: Merge all the static function prototypes into one
14049 * cpplib.h: Remove #if 0 block.
14051 * cpperror.c: Remove #ifdef EMACS block.
14052 * cppmain.c: Likewise.
14053 * cpphash.c: Remove #if 0 blocks.
14054 * cppinit.c: Remove #if 0 blocks, and the -lint option.
14055 * cpplib.c: Remove #if 0 blocks and code referencing
14056 pcp_inside_if or for_lint. Remove duplicate error message.
14057 Fix error messages for #else after #else or #elif. Reformat.
14058 Remove archaic TODO list.
14059 * cpplib.h: Remove pcp_inside_if and for_lint flags.
14061 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
14063 * i386/osf1elf.h: Add missing backslash to multiline string.
14065 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14067 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
14069 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14071 * Makefile.in (c-common.o): Depend on $(EXPR_H).
14073 * c-common.c: Include expr.h.
14075 * c-pragma.c (mark_align_stack): Add prototype.
14077 * caller-save.c (add_stored_regs): Likewise.
14079 * combine.c (record_promoted_value): Likewise.
14081 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
14084 * cppinit.c (new_pending_define): Likewise.
14086 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
14088 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
14089 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
14090 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
14091 class_scope_p): Likewise.
14093 * dwarf2out.h (dwarf2out_set_demangle_name_func,
14094 dwarf2out_add_library_unit_info): Likewise.
14096 * ggc.h (ggc_page_print_statistics): Likewise.
14098 * haifa-sched.c (propagate_deps): Likewise.
14100 * reg-stack.c (next_flags_user, record_label_references): Likewise.
14102 * rtl.h (set_stack_check_libfunc): Likewise.
14104 * toplev.h (set_fatal_function): Likewise.
14106 * toplev.c (set_fatal_function): Delete prototype.
14108 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
14110 2000-02-05 Geoff Keating <geoffk@cygnus.com>
14112 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
14113 (FUNC_END): Likewise.
14115 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14117 * caller-save.c: Include tm_p.h.
14119 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14121 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
14123 2000-02-04 Neil Booth <NeilB@earthling.net>
14125 * cccp.c (main): Check 'dir' for a NULL pointer before passing
14128 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
14130 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
14131 * genflags.c: Use the max_operand_1 logic from genemit.c to
14132 calculate how many arguments gen_insn prototypes have. Remove
14133 NO_MD_PROTOTYPES ifdefs from the generated file.
14134 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
14135 file. Cast gen_insn initializers to insn_gen_fn.
14136 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
14137 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
14139 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14141 * fixinc/Makefile.in (HDR): Add machname.h.
14144 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14146 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
14147 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
14148 (c4x_cpu_version): Ditto.
14149 * config/c4x/c4x-protos.h: ... here.
14151 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
14153 * dwarf2out.c (add_abstract_origin_attribute): Don't call
14154 gen_abstract_function on our context if we're a nested function.
14156 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14158 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
14159 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
14161 2000-02-04 Bruce Korb <bkorb@gnu.org>
14163 * fixinc/genfixes(machname.h):
14164 Move the functionality from gen-machine.h into this file.
14165 UNdef MN_NAME_PAT if there are no names to change.
14166 Also, be a little kinder when AutoGen is not present.
14168 * fixinc/Makefile.in(machname.h):
14169 Change the generation rule to use genfixes.
14171 * fixinc/fixfixes.c(machine_name):
14172 machine_name_fix's functionality now dependent upon whether
14173 MN_NAME_PAT is defined.
14175 * fixinc/fixtests.c(machine_name):
14178 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
14181 * fixinc/fixlib.h(mn_get_regexps):
14184 * fixinc/gen-machine.h: DELETED
14186 2000-02-04 Jan Hubicka <jh@suse.cz>
14187 Richard Henderson <rth@cygnus.com>
14189 * i386.c (SAVE_REGS_FIRST): Remove.
14190 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
14191 (ix86_compute_frame_size): Likewise.
14192 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
14193 (ix86_emit_restore_regs): Remove.
14194 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
14195 when a frame pointer is in use.
14196 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
14197 instead of pop to restore a register when profitable; emit leave
14199 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
14200 as a TYPE_LEA insn.
14201 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
14202 * i386.md (prologue_allocate_stack): Remove.
14203 (epilogue_deallocate_stack): Remove.
14204 (pro_epilogue_adjust_stack): New.
14206 2000-02-04 Richard Henderson <rth@cygnus.com>
14208 * function.c (diddle_return_value): Rework to use a callback function.
14209 Use current_function_return_rtx if it's been set up.
14210 (do_clobber_return_reg, clobber_return_register): New.
14211 (do_use_return_reg, use_return_register): New.
14212 (expand_function_end): Use them.
14213 * stmt.c (expand_null_return): Likewise.
14214 * function.h: Declare them.
14215 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
14216 (mark_reg): Change arguments as appropriate for callback.
14217 * integrate.c (expand_inline_function): Revert 19 Jan change.
14219 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
14221 * tm.texi (Values in Registers): Fix typo: "fo" "for".
14222 (Misc): Say the scheduler, not the Haifa scheduler.
14224 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
14226 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
14227 when in_mem is set. Update all callers.
14229 2000-02-04 Richard Henderson <rth@cygnus.com>
14231 * i386/openbsd.h (INT_ASM_OP): Define.
14233 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
14235 * tm.texi: Fix various typos.
14237 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
14239 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
14240 (MD_STARTFILE_PREFIX_1): New macro.
14242 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
14244 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
14245 destination when needed.
14246 (strmovsi, strsetsi): New expander.
14247 (strmovsi_1, strsetsi_1): New pattern.
14248 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
14249 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
14250 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
14251 * invoke.texi (align-stringops, inline-all-stringops): Document.
14253 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
14255 * i386/netbsd.h (INT_ASM_OP): Define.
14257 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
14259 * cpplib.h (cpp_reader): Add new flag, no_directives.
14260 * cpphash.c (macarg): Set it.
14261 * cpplib.c (handle_directive): If no_directives is on and we
14262 find a directive, issue an error and discard the line.
14264 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
14266 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
14267 FP constants. Add ! TARGET_FPU check for FP constants.
14269 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
14271 * flow.c (find_basic_blocks): Don't kill label_value_list
14273 (cleanup_cfg): Kill it here.
14275 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
14277 * expr.c (store_field): Ensure ALIGN is no stricter than the
14280 2000-02-02 Richard Henderson <rth@cygnus.com>
14282 * jump.c (delete_insn): Partially revert 19 Jan change;
14283 don't convert unused code labels to notes at -O0.
14285 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14287 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
14288 split_all_insns to recreate REG_LABEL notes for flow2 pass.
14290 2000-02-01 Richard Henderson <rth@cygnus.com>
14292 * i386.c (general_no_elim_operand): New.
14293 (nonmemory_no_elim_operand): New.
14294 (ix86_expand_move): Copy eliminable operands before a push.
14295 * i386-protos.h: Declare new functions.
14296 * i386.h (CAN_ELIMINATE): Simplify.
14297 (PREDICATE_CODES): Update.
14298 * i386.md (push insns): Don't allow eliminable register operands.
14300 2000-02-01 Richard Henderson <rth@cygnus.com>
14302 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
14303 replace BLKmode with DECL_RTL's mode.
14305 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
14307 * frame.c (find_fde): Convert for loop to do-while so compiler
14308 sees it's always executed at least once.
14309 * libgcc2.c (BBINBUFSIZE): Kill.
14310 (__bb_init_prg): Use fgets.
14311 (__bb_exit_trace_func): Don't paste strings.
14312 * unroll.c (unroll_loop): Initialize unroll_type, not
14313 unroll_number, and tweak logic to match.
14315 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
14317 (ix86_flags_dependant): Likewise. Disentangle control flow.
14318 (ix86_sched_reorder): Break guts out to
14319 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
14320 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
14323 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
14324 use string concatenation. Don't save and restore esi.
14326 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
14327 (machname.h): Remove script to separate file. Use two-step
14328 sequence so target is not created if script fails.
14329 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
14330 identifiers are defined.
14331 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
14332 an empty string, machine_name doesn't need to do anything at
14334 (is_cxx_header): Add more cases to regexp.
14335 * fixinc/fixlib.h: Update prototype.
14336 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
14338 * fixinc/fixincl.c: Define NO_BOGOSITY.
14340 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
14341 (hp_sysfile): Add missing comma.
14342 (math_exception): Put the wrapper ifdefs at the beginning and
14343 the end of the file.
14344 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
14346 2000-02-01 Richard Henderson <rth@cygnus.com>
14348 * sparc.c (fp_zero_operand): Turn into a normal predicate.
14349 Use CONST0_RTX. Update all callers.
14350 * sparc.h, sparc-protos.h: Update accordingly.
14351 * sparc.md (fp mov insns): Use fp_zero_operand directly
14354 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
14356 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
14359 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14361 * Makefile.in (specs.ready): New target.
14362 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
14364 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14366 * fixinc.irix: Use unique filenames for writing into /tmp,
14367 * fixinc.ptx: Likewise.
14368 * fixinc.sco: Likewise.
14369 * fixinc.svr4: Likewise.
14370 * fixinc.winnt: Likewise.
14372 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14374 * tsystem.h: New file.
14376 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
14377 s-crtS): Depend on tsystem.h.
14379 * crtstuff.c: Include tsystem.h.
14380 * frame.c: Likewise.
14381 * libgcc2.c: Likewise.
14383 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
14385 * builtins.c (expand_builtin_memset): Expand for variable sized
14388 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
14390 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
14393 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
14395 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
14397 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
14399 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
14401 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
14402 case 3->2 combining (combining with splitting) in which 2 is CC0
14403 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
14404 checked at the begining of the function with the aid of calling
14405 function 'can_combine_p'.
14407 2000-01-31 Dave Brolley <brolley@redhat.com>
14409 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
14411 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
14413 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
14416 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14418 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
14420 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
14423 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
14425 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
14426 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
14427 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
14428 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
14429 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
14430 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
14431 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
14432 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
14433 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
14434 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
14436 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
14437 Add %(cpp_cpu) to CPP_SPEC.
14439 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
14440 Add %(cc1_cpu) to CC1_SPEC.
14442 2000-01-28 Ulrich Drepper <drepper@redhat.com>
14444 * c-decl.c (c_decode_option): Accept optional numeric argument to
14445 -Wformat and set warn_format.
14446 * c-common.c: Don't emit warning about non-constant printf format
14447 string unless warn_format > 1.
14449 2000-01-30 Richard Henderson <rth@cygnus.com>
14451 * alpha.md (return_internal): Allow after reload only.
14453 2000-01-30 Richard Henderson <rth@cygnus.com>
14455 * i386.c (ix86_compute_frame_size): Omit padding1 if the
14456 local frame size is zero.
14458 2000-01-30 Richard Henderson <rth@cygnus.com>
14460 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
14461 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
14462 * alpha.md (return): Turn into an expander.
14463 (return_internal): Don't use $26.
14464 (epilogue): Emit the return insn.
14466 2000-01-30 Richard Henderson <rth@cygnus.com>
14468 * alpha.md (negtf2, abstf2): Fix word order thinko.
14469 (extendsftf2): New.
14470 (trunctfsf2): Avoid intermediate rounding errors.
14472 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
14474 * cppfiles.c (find_position): Drop 'colp' argument, return the
14476 (read_and_prescan): Adjust to match. Don't ever manipulate
14477 line or line_base except via find_position.
14479 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
14481 * c-parse.in: Apply Ulrich's changes from c-parse.y.
14482 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
14485 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
14487 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
14488 just print "<command line>". If 'filename' is null or an
14489 empty string, print "<stdin>" for the filename.
14490 * cpplib.c (do_define): Don't print the 'location of the
14491 previous definition' message if we're still parsing the
14493 (cpp_pedwarn_with_file_and_line): Always call
14494 cpp_file_line_for_message.
14496 2000-01-29 Mark Mitchell <mark@codesourcery.com>
14498 * flow.c (mark_regs_live_at_end): Fix typo.
14500 2000-01-28 Ulrich Drepper <drepper@redhat.com>
14502 * c-common.c: Adjust variable names, comments, help strings to c99.
14503 * c-lex.c: Likewise.
14504 * c-parse.y: Likewise.
14505 * c-tree.h: Likewise.
14506 * cccp.c: Likewise.
14507 * cpplib.h: Likewise.
14508 * c-decl.c: Likewise. Recognize options with names "*99" as well.
14509 * cppinit.c: Likewise.
14511 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14513 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
14514 * c4x.c: Define the optab rtx values.
14515 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
14516 (c4x_emit_libcall): Use new optab rtx values.
14517 (c4x_emit_libcall3): Likewise.
14518 (c4x_emit_libcall_mulhi): Likewise.
14519 * c4x-protos.h: Add prototypes for optab rtx values and change
14520 prototypes for above c4x_emit_libcall functions.
14522 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14524 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
14526 (c4x_function_prologue): Use regnames intead of float_reg_names when
14528 (c4x_function_epilogue): Likewise.
14529 (c4x_print_operand): Likewise.
14530 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
14531 * c4x.md (set_high): Disable for TARGET_TI.
14533 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14535 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
14536 of framepointer + constant to ADDR_REGS class.
14537 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
14538 * c4x.c (std_or_reg_operand): New function.
14539 * c4x-protos.h (std_or_reg_operand): Prototype it.
14541 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14543 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
14544 object names as libgcc2.c.
14545 * libgcc.S: Use newly defined names.
14547 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
14548 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
14550 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
14551 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
14552 (FLOW_LOOP_LAST_BLOCK): Likewise.
14554 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14556 * basic-block.h (struct loop): New fields 'first' and 'last'.
14557 * flow.c (flow_loops_find): Compute loop->first and loop->last.
14558 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
14559 and loop->last to check for NOTE_INSN_LOOP_END.
14561 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
14563 * predict.c (estimate_probability): Use the new FIRST and LAST fields
14564 of the loop descriptor rather than HEADER and LATCH. Also added
14565 missing break statements as well making some coding style modifications
14566 as suggested by Michael Hayes.
14568 2000-01-28 Richard Henderson <rth@cygnus.com>
14570 * flow.c (find_basic_blocks): Remove do_cleanup argument.
14571 Break out that code ...
14572 (cleanup_cfg): ... here.
14573 (commit_one_edge_insertion): Detect a return instruction being
14574 emitted to an edge. Emit a barrier following; clear fallthru.
14575 (commit_edge_insertions): Verify CFG consistency.
14576 * function.c (expand_function_start): Kill unused variable.
14577 (expand_function_end): Likewise.
14578 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
14579 to insert the epilogue.
14581 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
14582 (delete_null_pointer_checks): Likewise.
14583 * output.h: Likewise.
14584 * reg-stack.c (reg_to_stack): Likewise.
14585 * toplev.c (rest_of_compilation): Likewise. Run
14586 thread_prologue_and_epilogue_insns after rebuilding the CFG.
14588 2000-01-28 Richard Henderson <rth@cygnus.com>
14590 * Makefile.in (flow.o): Revert 24 Jan change.
14591 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
14592 FUNCTION_VALUE result to DECL_RESULT's mode.
14594 * haifa-sched.c (schedule_insns): Don't recompute reg info
14597 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
14599 * configure.in: Make --enable-cpplib the default.
14600 * configure: Regenerate.
14601 * gcc.dg/990119-1.c: No longer expected to fail.
14603 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
14605 * jump.c (jump_optimize_1): Delete an optimization that is also done
14606 by merge_blocks in flow.
14608 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14610 * diagnostic.c (build_message_string, output_printf,
14611 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
14612 (build_location_prefix): Fix non-literal format string.
14614 2000-01-27 Richard Henderson <rth@cygnus.com>
14616 * alpha.md (trunctfsf2): New.
14618 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
14620 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
14622 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
14624 * cppinit.c (cpp_handle_option): Recognize C++ comments under
14626 * cpplib.c (skip_block_comment, skip_line_comment): Split code
14628 (skip_comment) ... here. Permit C++ comments in system
14629 headers always. Warn about C++ comments in user code under
14630 -std=gnu89 -pedantic.
14631 (copy_comment): Use skip_comment.
14632 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
14634 (consider_directive_while_skipping, do_else, do_endif): Call
14635 validate_else unconditionally.
14636 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
14637 text after the conditional in a system header.
14638 * cpplib.h (struct cpp_buffer): Add flag
14639 warned_cplusplus_comments.
14641 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
14643 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
14644 Use unshare_all_rtl_1.
14645 (unshare_all_rtl_again): New function.
14646 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
14648 * function.c (purge_addressof_1): Use unshare_all_rtl_again
14649 rather than resetting the 'used' flags ourself.
14651 * toplev.c (rest_of_compilation): Add current_function_decl
14652 to the unshare_all_rtl call.
14653 * tree.h: Prototype unshare_all_rtl.
14654 * rtl.h: Prototype unshare_all_rtl_again here.
14656 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
14658 * genoutput.c (output_prologue): Include ggc.h in generated
14660 * Makefile.in (insn-output.o): Depends on ggc.h.
14662 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
14663 Hans-Peter Nilsson <hp@bitrange.com>
14665 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
14666 Remove redundant include of xm-ns32k.h.
14667 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
14668 Remove redundant include of xm-ns32k.h.
14669 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
14670 Remove redundant include of xm-ns32k.h.
14671 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
14673 * ns32k/ns32k.h: Update comment on multiply-add instructions.
14674 (TARGET_SWITCHES): Add documentation strings.
14675 (DWARF_FRAME_REGNUM): Override default definition.
14676 (REG_CLASS_CONTENTS): Add comments.
14677 (SUBSET_P): Format to reduce line length.
14678 (SMALL_REGISTER_CLASSES): Make a run time option.
14679 (GO_IF_NONINDEXED_ADDRESS): Reformat.
14680 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
14681 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
14682 (regclass_map): fix typo in comment.
14683 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
14684 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
14685 (trace, reg_or_mem_operand): Delete, unused function.
14686 (calc_address_cost): Small offsets are cheaper than large ones.
14687 (expand_block_move): Generate more efficient code when bytes is a
14688 known at compile time.
14689 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
14690 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
14691 instead of reg_or_mem_operand.
14693 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
14694 not general_operand. Similarly use "=rm" or stricter, not "=g".
14695 For input operands, use stricter constraints than "g" if not
14696 general_operand. Similarly use stricter predicate than
14697 "general_operand" when stricter constraints than "g" are present,
14698 except for matching constraints.
14699 (movstrsi): Use "memory_operand" for operands 0 and 1.
14700 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
14701 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
14702 not reg_or_mem_operand.
14703 (udivmoddisi4): Ditto.
14704 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
14705 Use nonimmediate_operand for operand 3, not register_operand.
14706 (udivmoddiqi4_internal): Use register_operand for operand 1, not
14707 reg_or_mem_operand.
14709 2000-01-27 Fred Fish <fnf@be.com>
14711 * gthr-posix.h: Fix typo; compatibily -> compatibility.
14712 * gthr-single.h: Likewise.
14713 * gthr-solaris.h: Likewise.
14714 * gthr-vxworks.h: Likewise.
14715 * gthr-win32.h: Likewise.
14716 * gthr.h: Likewise.
14718 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
14720 * cppinit.c: Add " (cpplib)" to end of string printed by
14723 2000-01-27 Richard Henderson <rth@cygnus.com>
14725 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
14726 testing for a signed comparison.
14727 (alpha_emit_floatuns): New.
14728 * alpha-protos.h: Declare it.
14729 * alpha.md (floatunsdisf2, floatunsdidf2): New.
14730 (extendsfdf2): Tidy.
14732 2000-01-27 Jakub Jelinek <jakub@redhat.com>
14734 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
14735 no -g option specifying debugging format, default to -gstabs+.
14737 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14739 * calls.c (special_function_p): New argument fork_or_exec.
14740 (expand_call): When profile_arc_flag is set and the function
14741 is in the fork_or_exec group, call __bb_fork_func first.
14742 * libgcc2.c, _bb module (__bb_fork_func): New function.
14743 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
14745 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
14746 * tree.h (special_function_p): Update prototype.
14748 2000-01-26 Richard Henderson <rth@cygnus.com>
14750 * alpha.c (alpha_split_tfmode_pair): New.
14751 * alpha-protos.h: Declare it.
14752 * alpha.md (abstf2, negtf2): New.
14753 (movtf insn): Add input G constraint.
14754 (movtf splitter): Use alpha_split_tfmode_pair.
14756 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14758 * i386/cygwin.h: PROTO -> PARAMS.
14760 2000-01-26 Jakub Jelinek <jakub@redhat.com>
14762 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
14763 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
14764 using _Qp_cmp/_Q_cmp and testing the return value.
14765 (print_operand): Call reverse_condition_maybe_unordered if
14766 we are handling CCFPmode or CCFPEmode.
14767 Handle ORDERED, UN* and LTGT comparisons.
14768 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
14769 if not TARGET_HARD_QUAD.
14770 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
14771 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
14772 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
14773 Adjust gen_b* calls so that they reflect return comparison of
14774 sparc_emit_float_lib_cmp.
14776 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14778 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
14779 incoming operands array is large enough for one more operand.
14780 (alpha_emit_xfloating_arith): Likewise.
14782 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
14784 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
14785 file with one line and no trailing newline.
14786 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
14787 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
14788 checking if the match is on the line.
14789 * fixinc/gnu-regex.c: Provide regerror not __regerror.
14791 2000-01-25 Richard Henderson <rth@cygnus.com>
14793 * sparc.c (output_cbranch): Fix accidental squashing of the
14794 fp branch pre-delay nop.
14796 2000-01-25 Richard Henderson <rth@cygnus.com>
14798 * tree.def (UNNE_EXPR): Remove.
14799 * c-typeck.c (build_binary_op): Don't handle it.
14800 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
14802 * rtl.def (UNNE): Remove.
14804 * jump.c (reverse_condition): Update accordingly.
14805 (swap_condition): Likewise.
14806 (comparison_dominates_p): Handle unordered comparisons.
14807 (reverse_condition_maybe_unordered): New.
14808 * rtl.h (reverse_condition_maybe_unordered): Declare.
14810 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
14811 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
14812 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
14813 * sparc.md (bltgt): New.
14815 2000-01-25 Nick Clifton <nickc@redhat.com>
14817 * emit-rtl.c (emit_insn): Only check machine class insns for
14818 improper emission of a RETURN.
14820 2000-01-25 Richard Henderson <rth@cygnus.com>
14822 * Makefile.in (flow.o): Depend on $(EXPR_H).
14823 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
14824 duplicate the structure of diddle_return_value for keeping regs live.
14826 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14828 * loop.c (current_loop_info): Delete.
14829 (consec_sets_invariant_p): Add loop argument, update callers.
14830 (get_condition_for_loop): Likewise.
14831 (count_nonfixed_reads, update_giv_derive): Likewise.
14832 (simplify_giv_expr, general_induction_var): Likewise.
14833 (consec_sets_giv, recombine_givs): Likewise.
14834 (move_movables): Delete loop_start and loop_end arguments,
14835 add loop argument, and update callers.
14836 (find_mem_givs, check_final_value): Likewise.
14837 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
14838 (loop_invariant_p): Rename from invariant_p, add loop argument, and
14840 (basic_induction_var): Add loop argument, delete loop_level argument,
14841 and update callers.
14842 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
14843 add loop argument, and update callers.
14844 (find_splittable_regs, find_splittable_givs): Likewise.
14845 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
14846 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
14847 (biv_total_increment): Delete loop_start and loop_end arguments;
14849 (precondition_loop_p): Delete loop_start and loop_info arguments;
14851 * loop.h (get_condition_for_loop): Add loop argument.
14852 (biv_total_increment): Delete loop_start and loop_end arguments.
14853 (precondition_loop_p): Delete loop_start and loop_info arguments;
14855 (final_biv_value): Delete loop_start and loop_end arguments;
14857 (final_giv_value, back_branch_in_range_p): Likewise.
14859 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
14861 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
14863 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
14865 * Makefile.in (c-gperf.h) : Change the "See" pointer to
14866 point to the new "generated_files" doc.
14868 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
14870 * config/fp-bit.c (_unord_f2): Fix typo.
14872 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
14874 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
14875 c-typeck.c, objc/objc-act.c: Remove all references to obstack
14876 functions obsoleted by GC, such as push_obstacks_nochange,
14877 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
14878 and code which existed only to decide whether or not to call
14879 them. Remove now-unused NESTED argument from start_function;
14880 all callers changed. Do not change behavior based on ggc_p.
14881 The use of the ixp_obstack in c-iterate.c and the util_obstack
14882 in objc/objc-act.c remain; these are not obsoleted by garbage
14884 * c-tree.h: Update prototype for start_function.
14886 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
14888 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
14890 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
14893 2000-01-25 Richard Henderson <rth@cygnus.com>
14895 * sparc-protos.h (select_cc_mode): Declare.
14896 * sparc.c (select_cc_mode): New. Handle unordered compares.
14897 (output_cbranch): Always reverse via code change. Handle
14898 unordered compares. Factor tests and string updates.
14899 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
14900 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
14901 * sparc.md (bunordered, bordered): New.
14902 (bungt, bunlt, buneq, bunge, bunle): New.
14904 2000-01-25 Richard Henderson <rth@cygnus.com>
14906 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
14907 * ggc-common.c (ggc_add_rtx_varray_root): New.
14908 (ggc_mark_rtx_varray): New.
14909 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
14910 functions down below ggc_mark_foo.
14911 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
14913 2000-01-25 Richard Henderson <rth@cygnus.com>
14915 * alpha.c (secondary_reload_class): Don't allocate a secondary
14916 for integral mode memories into FLOAT_REGS. Rearrange the more
14917 complicated memory expression inward.
14919 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
14921 * inclhack.def: Fixes to play nicer with FreeBSD, and
14922 corrections to comments.
14923 (cxx_unready): Add select expression.
14924 (irix_sockaddr): Add bypass expression.
14925 (machine_ansi_h_va_list): New fix.
14926 (stdio_va_list): No need to edit _BSD_VA_LIST_.
14927 Split out addition of "#include <stdarg.h>" to...
14928 (stdio_stdarg_h): ... here.
14929 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
14930 to stdlib.h also. Do not munge _BSD_SIZE_T_.
14931 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
14933 (ultrix_ifdef): Tighten up select expression.
14935 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
14936 re_ct and max_mach to avoid use of shell. Make printed names
14937 match names in inclhack.def. Use static copyright date.
14938 Don't count c_test and test expressions as requiring regex_t
14939 slots. Add some commentary.
14940 * inclhack.tpl: Do not include the 'This script contains N
14941 fixup scripts' line if PROGRAM is defined. Use static
14944 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
14946 * dwarf2out.c: include "varray.h", not dyn-string.h.
14947 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
14948 (addr_const_to_string, addr_to_string): Lose.
14949 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
14950 (struct dw_val_struct): val_addr is now an rtx.
14951 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
14952 (used_rtx_varray): New varray.
14953 (dwarf2out_init): Initialize it.
14954 (save_rtx): New fn.
14955 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
14957 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
14958 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
14959 * Makefile.in (dwarf2out.o): Update dependencies.
14961 2000-01-24 Richard Henderson <rth@cygnus.com>
14963 * i386.c (i386_dwarf_output_addr_const): New.
14964 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
14966 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
14968 * dwarfout.c (output_mem_loc_descriptor): Likewise.
14969 * i386.c (i386_simplify_dwarf_addr): New.
14970 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
14972 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
14974 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
14975 TYPE_STUB_DECL is NULL.
14977 2000-01-24 Richard Henderson <rth@cygnus.com>
14979 * builtins.c (expand_tree_builtin): Move ...
14980 * c-common.c (expand_tree_builtin): ... here.
14982 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14984 * loop.h (LOOP_INFO): New accessor macro.
14985 * basic-block.h (struct loop): Rename field `info' to `aux'.
14986 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
14987 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
14988 * unroll.c (loop_iterations, unroll_loop): Likewise.
14990 2000-01-24 Christopher Faylor <cgf@cygnus.com>
14992 * config/i386/t-cygwin: Accomodate new winsup directory layout
14993 when searching for include files.
14995 2000-01-24 Richard Henderson <rth@cygnus.com>
14997 * rtl.def: Add unordered fp comparisions.
14998 * tree.def: Likewise.
14999 * tree.h: Add ISO C 9x unordered fp comparision builtins.
15001 * builtins.c (expand_tree_builtin): New function.
15002 * c-typeck.c (build_function_call): Use it.
15003 (build_binary_op): Support unordered compares.
15004 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
15006 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
15007 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
15008 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
15009 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
15010 * jump.c (reverse_condition): Don't abort for UNLE etc, but
15012 (swap_condition): Handle unordered compares.
15013 (thread_jumps): Check can_reverse before reversing.
15014 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
15017 * optabs.c (can_compare_p): New argument CODE. Verify branch or
15018 setcc is present before acking for cmp_optab. Update all callers.
15019 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
15020 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
15021 * expr.c (expand_expr): Likewise. Support unordered compares.
15022 (do_jump, do_store_flag): Likewise.
15023 * expr.h (enum libfunc_index): Add unordered compares.
15025 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
15026 (DPBIT_FUNCS): Add _unord_df.
15027 * config/fp-bit.c (_unord_f2): New.
15028 * fp-test.c (main): Try unordered compare builtins.
15030 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
15031 * alpha.c (alpha_comparison_operator): Check mode properly.
15032 (alpha_swapped_comparison_operator): Likewise.
15033 (signed_comparison_operator): Likewise.
15034 (alpha_fp_comparison_operator): New.
15035 (alpha_emit_conditional_branch): Handle unordered compares.
15036 * alpha.h (PREDICATE_CODES): Update.
15037 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
15038 (bunordered, bordered): New.
15040 2000-01-24 Richard Henderson <rth@cygnus.com>
15042 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
15043 * alpha.md (movtf): New expander, insn, and splitter.
15045 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
15047 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
15050 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
15052 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
15053 (FIXED_REGISTERS, CALL_USED_REGISTERS,
15054 REG_ALLOC_ORDER): Add frame pointer
15055 (FRAME_POINTER_REGNUM): Set to 20
15056 (HARD_FRAME_POINTER_REGNUM): New macro.
15057 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
15058 to HARD_FRAME_POINTER.
15059 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
15060 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
15061 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
15062 (HI_REGISTER_NAMES): Add "frame".
15063 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
15064 (debug_reg): Handle FRAME_POINTER_REGNUM.
15065 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
15066 GENERAL_REGS and INDEX_REGS.
15067 * i386.c (SAVED_REGS_FIRST): new macro.
15068 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
15069 (ix86_decompose_address, memory_address_length): Likewise.
15070 (regclass_map): Add frame pointer.
15071 (call_insn_operand): Handle frame_pointer_rtx.
15072 (reg_no_sp_operand): Likewise.
15073 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
15074 (print_operand, legitimize_pic_address): Fix formating.
15075 (ix86_compute_frame_size): Make static, update prototype, new
15076 parameters padding1, padding2, use ix86_nsaved_regs, use
15077 stack_alignment_needed.
15078 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
15079 to HARD_FRAME_POINTER_REGNUM conversions.
15080 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
15081 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
15082 (print_reg): Abort on FRAME_POINTER_REGNUM
15084 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
15086 * i386.h (PREDICATE_CODES): Add aligned_operand.
15087 * i386.c (aligned_operand): New function.
15088 (ix86_aligned_p): Kill.
15089 * i386.md (movhi_1): Emit mov for aligned operands.
15090 (promoting peep2s): Use aligned_operand.
15092 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
15094 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
15095 expression to allow underscores in macro names.
15096 (fix_char_macro_defines): Increment scanning pointer.
15098 2000-01-23 Richard Henderson <rth@cygnus.com>
15100 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
15101 * alpha/osf5.h: New file.
15102 * configure.in (alpha-*-osf5): Add it to tm_file.
15104 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
15106 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
15107 (alpha_emit_xfloating_cvt, function_arg): Declare.
15108 * alpha.c (alpha_emit_conditional_branch): Call
15109 alpha_emit_xfloating_compare for TFmode compares.
15110 (alpha_lookup_xfloating_lib_func): New.
15111 (alpha_compute_xfloating_mode_arg): New.
15112 (alpha_emit_xfloating_libcall): New.
15113 (alpha_emit_xfloating_arith): New.
15114 (alpha_emit_xfloating_compare): New.
15115 (alpha_emit_xfloating_cvt): New.
15116 (print_operand): Add default abort case.
15117 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
15118 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
15119 (BIGGEST_ALIGNMENT): Increase to 128 bits.
15120 (RETURN_IN_MEMORY): True for TF/TCmode.
15121 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
15122 (FUNCTION_ARG): Move to function_arg.
15123 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
15124 (ASM_OUTPUT_LONG_DOUBLE): New.
15125 (ASM_OUTPUT_DOUBLE): Always output bits.
15126 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
15127 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
15128 (extenddftf2, trunctfdf2): New.
15130 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15132 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
15133 * config/sparc/sol2.h: ... here.
15135 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15137 * basic-block.h (struct loops): New field `levels'.
15138 * flow.c (flow_loops_level_compute): Traverse all outer loops.
15139 (flow_loop_level_compute): Initialise level to 1.
15140 (flow_loops_find): Set loops->levels.
15141 (flow_loops_dump): Print loops->levels.
15143 2000-01-23 Richard Henderson <rth@cygnus.com>
15145 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
15146 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
15148 2000-01-23 Richard Henderson <rth@cygnus.com>
15150 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
15151 * i386.h (DBX_REGISTER_NUMBER): Use them.
15152 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
15153 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
15154 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
15155 * i386/sequent.h: Kill incorrect comment.
15157 2000-01-23 Mark Mitchell <mark@codesourcery.com>
15159 * ggc-page.c (struct page_entry): Make `context_depth' an
15161 (struct globals): Likewise.
15163 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
15165 * loop.c (check_dbra_loop): When checking a loop for
15166 reversability, check the source of any stores to ensure
15167 they don't depend on an initial value.
15169 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15171 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
15173 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
15175 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
15176 'pz_scan' into scope of entire function. Only affects
15177 compiles with -DDEBUG.
15179 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
15181 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
15182 section naming to that prior to 2000-01-07 patch.
15183 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
15184 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
15185 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
15186 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
15187 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
15189 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
15191 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
15194 2000-01-21 Jim Wilson <wilson@cygnus.com>
15196 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
15197 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
15199 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
15201 * cpphash.c (change_newlines): Delete function.
15202 (struct argdata): Delete 'newlines' and 'use_count' fields.
15203 (macroexpand): Remove code referencing those fields.
15205 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15207 * loop.c (loops_info): New variable.
15208 (loop_optimize): Allocate loops->array and free it on exit.
15209 Allocate memory for loops_info and assign to each loop,
15211 (find_and_verify_loops): Do not allocate loops->array.
15213 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
15215 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
15217 2000-01-21 Jakub Jelinek <jakub@redhat.com>
15219 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
15220 pseudos if expanded after first flow.
15221 (movdi_pic_label_ref): Likewise.
15223 2000-01-20 Richard Henderson <rth@cygnus.com>
15225 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
15227 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
15229 * Makefile.in (fixinc.sh): Depend on specs.
15230 * fixinc/Makefile.in: Add rule to create machname.h.
15231 (fixlib.o): Depend on machname.h.
15232 * fixinc/fixtests.c (machine_name): New test.
15233 * fixinc/fixfixes.c (machine_name): New fix.
15234 * fixinc/fixlib.c (mn_get_regexps): New helper function for
15235 the machine_name test and fix.
15236 * fixinc/fixlib.h: Prototype it.
15237 * fixinc/inclhack.def (machine_name): Use the C test and fix.
15238 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
15240 * gcc.c (do_spec_1) [case P]: Take care not to create
15241 identifiers with three leading or trailing underscores.
15243 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
15244 (fixincl): Don't specify libraries twice on link line.
15245 (gnu-regex.o): Remove special rule.
15246 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
15247 defined by config.h. Do not define _REGEX_RE_COMP.
15248 (regcomp): Allocate and initialize a fastmap.
15249 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
15251 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
15253 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
15255 2000-01-19 Richard Henderson <rth@cygnus.com>
15257 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
15258 arguments with BB. Update all callers. Tidy line wrapping.
15260 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
15262 * emit-rtl.c (try_split): Return last_insn if we split the
15265 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
15267 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
15268 (ix86_initial_elimination_offset): Declare.
15269 * i386.c (ix86_nsaved_regs): Break out from ...
15270 (ix86_can_use_return_insn_p): ... here.
15271 (ix86_emit_save_regs): Break out from ...
15272 (ix86_expand_prologue): ... here.
15273 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
15275 (ix86_expand_epilogue): ... here.
15276 (ix86_compute_frame_size): Make static, add prototype.
15277 (ix86_initial_elimination_offset): Break out from ...
15278 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
15280 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15282 * recog.h (OUT_FCN): Delete.
15284 * vax.md: Call `get_insn_template' instead of OUT_FCN.
15286 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15288 * cppalloc.c: PROTO -> PARAMS.
15289 * cpperror.c: Likewise.
15290 * cppfiles.c: Likewise.
15291 * cpplib.c: Likewise.
15292 * cpplib.h: Likewise.
15294 * config/arm/arm-protos.h: PROTO -> PARAMS.
15295 * config/arm/arm.c: Likewise.
15296 * config/c4x/c4x.c: Likewise.
15297 * config/fr30/fr30-protos.h: Likewise.
15298 * config/nextstep.c: Likewise.
15299 * config/pa/pa.c: Likewise.
15300 * config/pj/pj.c: Likewise.
15301 * config/rs6000/rs6000.c: Likewise.
15302 * config/v850/v850-protos.h: Likewise.
15303 * config/v850/v850.c: Likewise.
15305 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15307 * i370-protos.h: New file.
15309 * i370.c: Include tm_p.h. Fix compile time warnings.
15311 * i370.h: Move prototypes to i370-protos.h. Fix compile time
15314 * i370.md: Likewise.
15316 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15318 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
15319 (target_isinf, target_isnan, eisnan): Mark parameter with
15321 (eiisinf): Wrap in INFINITY.
15322 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
15323 (ibmtoe): Remove unused variable `rndsav'.
15325 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
15327 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
15328 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
15330 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
15332 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
15333 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
15334 (fix_char_macro_defines, fix_char_macro_uses): New functions.
15336 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
15337 Recognize Emacs mode markers also.
15338 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
15339 C++ comments in C++ headers. Call is_cxx_header only if
15342 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
15343 bypass for ncurses.
15344 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
15345 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
15346 ... these, which use the new C fixes.
15347 (math_exception): Escape literal '+' in bypass expression.
15349 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
15352 2000-01-19 Geoff Keating <geoffk@cygnus.com>
15354 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
15357 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15359 * loop.c (loop_optimize): Allocate loop_info structure for each loop
15360 prior to calling scan_loop.
15362 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
15364 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
15365 (split_branches, calc_live_regs): Likewise.
15367 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
15369 * sh.md (fpu_single, fp_mode): New attributes.
15371 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15373 * loop.c (current_loop_info): Renamed from loop_info_data
15374 and changed to a pointer.
15375 (loop_optimize): Allocate loop_info structure for each loop
15376 and initialise to zero.
15377 (scan_loop): Set current_loop_info.
15379 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
15382 2000-01-19 Richard Henderson <rth@cygnus.com>
15384 * stupid.c: Die die die.
15385 * Makefile.in (OBJS): Remove stupid.o.
15386 (stupid.o): Likewise.
15388 * except.c (emit_eh_context): Don't emit USEs for stupid.
15389 * explow.c (probe_stack_range): Likewise.
15390 * flags.h (obey_regdecls): Remove.
15391 * flow.c (find_basic_blocks): Don't run try_merge_blocks
15392 when not optimizing.
15393 (life_analysis): Limit data collection when not optimizing.
15394 (mark_regs_live_at_end): Always mark the return value registers.
15395 (mark_used_regs): Remove dummy RETURN case.
15396 (print_rtl_with_bb): Don't consult obey_regdecls.
15397 * function.c (use_variable, use_variable_after): Remove.
15398 (assign_parms): Consult optimize not obey_regdecls.
15399 (expand_function_start): Don't emit USEs for stupid.
15400 (expand_function_end): Likewise.
15401 * global.c (build_insn_chain): Export.
15402 * integrate.c (expand_inline_function): Kill return-value USE
15404 * jump.c (jump_optimize_1): Do simple jump optimizations and
15405 dead code elimination.
15406 (calculate_can_reach_end): Remove check_deleted argument.
15407 (delete_insn): Patch out insns even when not optimizing.
15408 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
15409 * rtl.h (use_variable, use_variable_after): Remove declarations.
15410 (build_insn_chain): Declare.
15411 * stmt.c (expand_value_return): Don't emit USEs for stupid.
15412 (expand_end_bindings): Likewise.
15413 (expand_decl): Likewise. Consult optimize not obey_regdecls.
15414 * toplev.c (obey_regdecls): Remove.
15415 (rest_of_compilation): Don't set it. Kill stupid in favour of
15416 flow1, local-alloc, and reload.
15417 (main): Don't set obey_regdecls.
15419 * config/nextstep.c (handle_pragma): Likewise.
15421 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
15423 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
15425 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15427 * alpha-protos.h: PROTO -> PARAMS.
15428 * alpha.c: Likewise.
15430 * h8300.c: Likewise.
15431 * i386-protos.h: Likewise.
15432 * i386.c: Likewise.
15433 * m32r-protos.h: Likewise.
15434 * m32r.c: Likewise.
15435 * mips.c: Likewise.
15436 * mips.md: Likewise.
15437 * gmon-sol2.c: Likewise.
15438 * sparc.c: Likewise.
15440 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15442 * ns32k-protos.h: New file.
15444 * ns32k.c: Fix compile time warnings.
15446 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
15449 * ns32k.md: Likewise.
15451 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15453 * vax-protos.h: New file.
15455 * vax.c: Fix compile time warnings.
15457 * vax.h: Move prototypes to vax-protos.h. Fix compile time
15460 * vax.md: Likewise.
15462 * vaxv.md: Likewise.
15464 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15466 * romp-protos.h: New file.
15468 * romp.c: Fix compile time warnings.
15470 * romp.h: Move prototypes to romp-protos.h. Fix compile time
15473 * romp.md: Likewise.
15475 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15477 * we32k-protos.h: New file.
15479 * we32k.c: Fix compile time warnings.
15481 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
15484 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15486 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
15488 * except.c (eh_regs): Likewise.
15490 * final.c (output_operand): Likewise.
15492 * fold-const.c (target_isinf, target_isnan): Likewise.
15494 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15496 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
15497 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
15499 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
15500 when optimize_size.
15501 (clrstrsi): Rewrite.
15502 (strsethi, strsetqi): New expanders.
15503 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
15504 (cmpstrsi): Emit compare insn before cmpstrsi_1
15505 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
15506 (strlensi_1): Likewise.
15507 (cmpstrsi_1): Likewise; do not output compare.
15508 (strlen expander): Do not unroll when optimizing for size.
15509 (*subsi3_carry): Rename to subsi3_carry
15510 (addqi3_cc): New pattern.
15511 * i386.h (processor_costs): Add move_ratio field.
15512 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
15513 * i386.c (*_cost): Set move_ratio.
15514 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
15515 (x86_expand_strlensi_1): Rewrite the main loop.
15517 2000-01-17 Richard Henderson <rth@cygnus.com>
15519 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
15520 * cse.c (find_comparison_args, fold_rtx): Likewise.
15521 * integrate.c (subst_constants): Likewise.
15522 * loop.c (get_condition): Likewise.
15524 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
15526 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
15528 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
15530 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
15531 (RESTORE_WARN_FLAGS): Unpack it.
15532 Change semantic type of extension to ttype.
15533 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
15534 * c-parse.y, c-parse.c, objc/objc-parse.y,
15535 objc/objc-parse.c: Regenerate.
15537 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
15539 * fixinc/fixlib.c: Add copyright notice.
15540 (compile_re): New function.
15541 * fixinc/fixlib.h: Prototype compile_re.
15543 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
15544 Use compile_re to compile regular expressions.
15546 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
15547 where the pattern matched.
15549 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
15551 (ultrix_ansi_compat): Likewise.
15552 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
15554 (interactv_add2, interactv_add3): Delete.
15555 (x11_sprintf): Don't use filename glob.
15556 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
15559 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15561 * print-rtl.c: PROTO -> PARAMS.
15562 * real.c: Likewise.
15563 * reg-stack.c: Likewise.
15564 * resource.c: Likewise.
15565 * sdbout.h: Likewise.
15566 * simplify-rtx.c: Likewise.
15567 * stor-layout.c: Likewise.
15568 * stupid.c: Likewise.
15569 * xcoffout.c: Likewise.
15570 * xcoffout.h: Likewise.
15572 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15574 * toplev.c: PROTO -> PARAMS.
15575 * toplev.h: Likewise.
15576 * tree.c: Likewise.
15577 * tree.h: Likewise.
15578 * unroll.c: Likewise.
15579 * varasm.c: Likewise.
15580 * varray.c: Likewise.
15581 * varray.h: Likewise.
15583 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15585 * reload.c: PROTO -> PARAMS.
15586 * reload.h: Likewise.
15587 * reload1.c: Likewise.
15588 * reorg.c: Likewise.
15589 * resource.h: Likewise.
15592 * rtlanal.c: Likewise.
15593 * sbitmap.h: Likewise.
15594 * sdbout.c: Likewise.
15595 * stack.h: Likewise.
15596 * stmt.c: Likewise.
15597 * system.h: Likewise.
15599 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15601 * machmode.h: PROTO -> PARAMS.
15602 * mbchar.h: Likewise.
15603 * mips-tdump.c: Likewise.
15604 * mips-tfile.c: Likewise.
15605 * optabs.c: Likewise.
15606 * output.h: Likewise.
15607 * prefix.c: Likewise.
15608 * profile.c: Likewise.
15609 * protoize.c: Likewise.
15610 * real.h: Likewise.
15611 * recog.c: Likewise.
15612 * recog.h: Likewise.
15613 * regclass.c: Likewise.
15614 * regmove.c: Likewise.
15615 * regs.h: Likewise.
15617 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15619 * ggc-common.c: PROTO -> PARAMS.
15620 * ggc-page.c: Likewise.
15621 * ggc-simple.c: Likewise.
15623 * global.c: Likewise.
15624 * graph.c: Likewise.
15625 * gthr-win32.h: Likewise.
15626 * haifa-sched.c: Likewise.
15627 * halfpic.h: Likewise.
15628 * integrate.c: Likewise.
15629 * integrate.h: Likewise.
15630 * jump.c: Likewise.
15632 * local-alloc.c: Likewise.
15633 * loop.c: Likewise.
15634 * loop.h: Likewise.
15636 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15638 * genattr.c: PROTO -> PARAMS.
15639 * genattrtab.c: Likewise.
15640 * gencheck.c: Likewise.
15641 * gencodes.c: Likewise.
15642 * genconfig.c: Likewise.
15643 * genemit.c: Likewise.
15644 * genextract.c: Likewise.
15645 * genflags.c: Likewise.
15646 * gengenrtl.c: Likewise.
15647 * genopinit.c: Likewise.
15648 * genoutput.c: Likewise.
15649 * genpeep.c: Likewise.
15650 * genrecog.c: Likewise.
15652 2000-01-16 Mark Mitchell <mark@codesourcery.com>
15654 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
15656 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15658 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
15659 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
15660 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
15661 * configure, config.in: Rebuilt.
15663 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
15665 * config/i386/i386.md: Add peephole to merge successive stack
15668 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
15670 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
15671 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
15672 when walking backwards to find all the parameter loads when
15673 the basic block ends in a call.
15675 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15677 * loop.c (this_loop_info): Delete.
15678 (uid_loop): Add in place of uid_loop_num. All uses updated.
15679 (loop_number_exit_count): Delete and replace with entry in loop
15680 structure. All uses updated.
15681 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
15682 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
15683 (loop_outer_loop): Likewise.
15684 (loop_invalid, loop_number_exit_labels): Likewise.
15685 (loop_used_count_register): Delete and replace with entry in
15686 loop_info structure.
15687 (find_and_verify_loops): Add loops argument.
15688 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
15689 loop_end, etc. arguments with loop structure pointer. All callers
15691 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
15692 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
15693 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
15694 (insert_bct): Likewise.
15695 (basic_induction_var): New argument level.
15696 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
15697 vtop, and cont. Add used_count_register.
15698 (uid_loop): Delete declaration.
15699 (loop_number_exit_count): Likewise.
15700 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
15701 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
15702 (loop_outer_loop, loop_used_count_register): Likewise.
15703 (loop_invalid, loop_number_exit_labels): Likewise.
15704 (unroll_loop): Replace loop_start and loop_end arguments
15705 with loop structure pointer.
15706 (loop_precondition_p, loop_iterations): Likewise.
15707 Include basic-block.h.
15708 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
15709 with loop structure pointer.
15710 (loop_precondition_p, loop_iterations): Likewise.
15711 * basic-block.h (struct loop): New entries vtop, cont,
15712 cont_dominator, start, end, top, scan_start, exit_labels,
15714 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
15716 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
15718 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
15720 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
15722 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
15724 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15726 * pdp11-protos.h: New file.
15728 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
15731 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
15734 * pdp11.md: Likewise.
15736 * 2bsd.h: Likewise.
15738 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15740 * mn10300-protos.h: New file.
15742 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
15745 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
15748 * mn10300.md: Likewise.
15750 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15752 * mn10200-protos.h: New file.
15754 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
15757 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
15760 * mn10200.md: Likewise.
15762 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15764 * h8300-protos.h: New file.
15766 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
15769 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
15772 * h8300.md: Likewise.
15774 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15776 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
15777 (asm_emit_uninitialised): Likewise.
15779 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
15781 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
15782 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
15784 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
15786 * config/mips/mips.c (override_options): Don't turn on extra
15787 alignment for mips16.
15789 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
15791 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
15792 eabi, and make sure queued POSTINCREMENT rtl is emitted at
15795 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
15797 * builtins.c (PAD_VARARGS_DOWN): Define.
15798 (std_expand_builtin_va_arg): Use the above macro.
15799 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
15800 * tm.texi (Register Arguments): Document the above macro.
15802 2000-01-14 Nick Clifton <nickc@cygnus.com>
15804 * emit-rtl.c (emit_insn): If checking is enabled, make sure
15805 that this function has not been used to emit a jump
15808 * jump.c (return_jump_1): Cope with being passed a null rtx.
15810 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15812 * eh-common.h: PROTO -> PARAMS.
15813 * emit-rtl.c: Likewise.
15814 * errors.c: Likewise.
15815 * errors.h: Likewise.
15816 * except.c: Likewise.
15817 * except.h: Likewise.
15818 * explow.c: Likewise.
15819 * expmed.c: Likewise.
15820 * expr.c: Likewise.
15821 * expr.h: Likewise.
15822 * final.c: Likewise.
15823 * fix-header.c: Likewise.
15824 * flow.c: Likewise.
15825 * fold-const.c: Likewise.
15826 * function.c: Likewise.
15827 * function.h: Likewise.
15829 * gcov-io.h: Likewise.
15830 * gcov.c: Likewise.
15831 * gcse.c: Likewise.
15833 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15835 * sh-protos.h: New file.
15837 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
15838 Add static prototypes. Fix compile time warnings.
15840 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
15844 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15846 * arc-protos.h: New file.
15848 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
15851 * arc.h: Move prototypes to arc-protos.h. Fix compile time
15854 * arc.md: Likewise.
15856 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15858 * dsp16xx-protos.h: New file.
15860 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
15863 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
15866 * dsp16xx.md: Likewise.
15868 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15870 * convex-protos.h: New file.
15872 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
15875 * convex.h: Move prototypes to convex-protos.h. Fix compile time
15878 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15880 * elxsi-protos.h: New file.
15882 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
15885 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
15888 * elxsi.md: Likewise.
15890 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
15892 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
15893 case for moving from HI/LO/HI_LO_REG. This makes the behavior
15894 match the comment for MIPS16.
15896 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
15898 * flow.c (split_edge): Do not call set_block_for_insn if we
15899 do not have a basic_block_for_insn structure.
15901 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
15902 and destination functions are 32bit aligned within the trampoline.
15903 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
15904 (TRAMPOLINE_ALIGNMENT): Define.
15906 * cse.c (cse_insn): When changing (set (pc) (reg)) to
15907 (set (pc) (label_ref)), verify the change creates a valid insn.
15909 * fr30.c (call_operand): Tighten and rework to match rules for
15910 call RTL expressions.
15911 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
15912 * fr30.md (call patterns): Improve constraints.
15914 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
15916 * fr30.c (fr30_expand_epilogue): Revert last change.
15917 Use emit_jump_insn for the return insn.
15919 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
15920 Stan Cox <scox@cygnus.com>
15922 * predict.c: New file. Preliminary infrastructure work for static
15923 branch prediction and basic block reordering.
15924 * basic-block.h: Add prototype for estimate_probability.
15925 * Makefile.in: Add rules for predict.o.
15927 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
15929 * fixincludes (va_list): Use __not_va_list__ for the dummy.
15930 * fixinc/*: Likewise.
15932 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15934 * cccp.c: PROTO -> PARAMS.
15935 * cexp.y: Likewise.
15936 * collect2.c: Likewise.
15937 * combine.c: Likewise.
15938 * convert.h: Likewise.
15940 * dbxout.c: Likewise.
15941 * dbxout.h: Likewise.
15942 * diagnostic.c: Likewise.
15943 * doprint.c: Likewise.
15944 * dwarf2out.c: Likewise.
15945 * dwarf2out.h: Likewise.
15946 * dwarfout.c: Likewise.
15947 * dwarfout.h: Likewise.
15948 * dyn-string.h: Likewise.
15950 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15952 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
15953 macro conditionals guarding use.
15955 * dwarf2out.c: Include "tm_p.h".
15957 * function.c (locate_and_pad_parm): Mark parameter with
15959 (expand_function_end): Likewise for variable `context'.
15961 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
15963 2000-01-13 Nick Clifton <nickc@cygnus.com>
15965 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
15966 register to prevent compile time warnings.
15968 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
15970 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
15971 to avoid -Wtraditional warning.
15973 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15975 * 1750a-protos.h: New file.
15977 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
15980 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
15983 * 1750a.md: Likewise.
15985 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15987 * a29k-protos.h: New file.
15989 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
15992 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
15995 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15997 * clipper-protos.h: New file.
15999 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
16002 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
16005 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16007 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
16009 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
16011 * configure.in (--enable-new-gxx-abi): New option.
16012 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
16013 * Makefile.in (GXX_ABI_FLAG): New variable.
16014 * configure: Regenerate.
16016 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16018 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
16019 * tm.texi (FORCE_STRUCT_BLK): Document.
16020 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
16022 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
16024 * config/ns32k/ns32k.md: Revert Jan 9 change.
16026 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
16027 to a mode-test, if the predicate is address_operand.
16029 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
16031 * combine.c (if_then_else_cond): Be careful about what kinds
16032 of RTL expressions are passed to operand_subword.
16034 * flow.c (split_edge): If we have to insert a new jump, make
16035 sure to associate it with a basic block.
16037 * flow.c (commit_one_edge_insertion): A block with one successor
16038 can end in a JUMP_INSN that is not a simplejump.
16040 2000-01-12 Robert Lipe <robertl@sco.com>
16042 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
16043 (BUILD_VA_LIST_TYPE): Define.
16044 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
16047 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
16049 * cccp.c (do_pragma): Add cast to (char *).
16051 2000-01-12 Richard Henderson <rth@cygnus.com>
16052 Fred Fish <fnf@be.com>
16053 Jason Merrill <jason@cygnus.com>
16055 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
16056 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
16057 * i386/beos-elf.h, i386/beos-pe.h: New files.
16059 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
16060 * cross-make (SYSTEM_HEADER_DIR): Define using
16061 CROSS_SYSTEM_HEADER_DIR.
16063 * gcc.c (LIBRARY_PATH_ENV): Provide default.
16064 (process_command): Use it.
16065 (main): Likewise. Kill trailing = from env vars.
16066 (build_search_list): Put it back.
16067 * collect2.c (main): Use LIBRARY_PATH_ENV.
16069 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
16070 * toplev.c: Use NEED_DECLARATION_ENVIRON.
16072 * tm.texi (Frame Layout): Document SMALL_STACK.
16073 * c-common.c (c_common_nodes_and_builtins): Check it.
16075 * system.h: Undef alloca after including glibc's <stdlib.h>,
16076 if USE_C_ALLOCA is defined.
16078 * gcc.c (set_input): New fn.
16079 (main): After all input files are compiled, reset the input file
16082 * aclocal.m4 (rindex, index): If already defined, don't attempt
16085 * ginclude/varargs.h: (__va_list__): Define ifndef.
16086 * ginclude/stdarg.h: Likewise.
16088 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
16089 instead of unsigned char.
16091 * hash.h (true, false, boolean): Undef before enum.
16093 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
16094 proper type of "HOST_WIDE_INT *", rather than their natural type of
16095 "unsigned HOST_WIDE_INT *".
16097 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16099 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
16101 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
16103 * regclass.c (choose_hard_reg_mode): Likewise.
16105 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
16107 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
16109 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16111 * c-common.c: PROTO -> PARAMS.
16112 * c-common.h: Likewise.
16113 * c-decl.c: Likewise.
16114 * c-iterate.c: Likewise.
16115 * c-lang.c: Likewise.
16116 * c-lex.c: Likewise.
16117 * c-lex.h: Likewise.
16118 * c-parse.in: Likewise.
16119 * c-pragma.c: Likewise.
16120 * c-pragma.h: Likewise.
16121 * c-tree.h: Likewise.
16122 * c-typeck.c: Likewise.
16123 * objc/objc-act.c: Likewise.
16124 * objc/objc-act.h: Likewise.
16126 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16128 * m88k-protos.h: New file.
16130 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
16133 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
16135 * m88k.md: Likewise.
16137 * tekXD88.h: Likewise.
16139 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16141 * m68k-protos.h: New file.
16143 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
16146 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
16148 * mot3300.h: Likewise.
16150 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
16152 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
16154 (extract_bitlist): Declare bitlen.
16156 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
16158 * cccp.c: Accept and ignore -lang-fortran.
16160 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
16161 qualifiers don't match at any level of pointerness.
16163 2000-01-12 Robert Lipe <robertl@sco.com>
16165 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
16167 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
16169 * reload1.c (reload_reg_unavailable): New static variable.
16170 (reload_reg_free_p): Test it.
16171 (reload_reg_free_for_value_p): Test it instead of
16173 (choose_reload_regs_init): Compute it.
16175 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
16177 * reorg.c (fill_slots_from_thread): Check modified_in_p
16180 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
16182 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
16183 these nodes even if INTERNALS is not set.
16185 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
16187 * gcse.c (delete_null_pointer_checks_1): Cope when
16188 get_condition cannot determine the condition.
16190 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
16192 * toplev.h (set_message_length): Declare.
16194 * diagnostic.c (obstack_chunk_alloc): Define macro.
16195 (obstack_chunk_free): Likewise.
16196 (struct output_buffer): New data structure.
16197 (vmessage): Remove.
16198 (output_maximum_width): New variable.
16199 (doing_line_wrapping, set_message_length, init_output_buffer,
16200 get_output_prefix, output_space_left, emit_output_prefix,
16201 output_newline, output_append, output_puts, dump_output,
16202 vbuild_message_string, build_message_string, build_location_prefix,
16203 voutput_notice, output_printf, line_wrapper_printf,
16204 vline_wrapper_message_with_location): New functions. Implement
16205 automatic line wrapping.
16206 (v_message_with_decl): Make it handle automatic line wrapping.
16207 (v_error_with_file_and_line): Likewise.
16208 (v_warning_with_file_and_line): Likewise.
16209 (announce_function): Likewise.
16210 (default_print_error_function): Likewise.
16212 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
16214 * cpplib.h (struct cpp_options): Change lang_asm to char.
16216 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
16217 done in cpp_handle_option now.
16218 (initialize_builtins): Take out special case code used only by
16220 (cpp_handle_option): Turn off trigraphs and trigraph warnings
16221 if -traditional. Recognize -lang-fortran and set
16222 lang_fortran, also turn off cplusplus_comments.
16223 (print_help): Document -lang-fortran.
16224 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
16225 lang_asm. Ignore all directives other than `# 123 "file"' if
16227 (cpp_get_token): If -traditional, don't recognize directives
16228 unless the # is in column 1.
16229 (parse_string): If lang_fortran or lang_asm, silently
16230 terminate strings ('' or "") at end of line.
16231 Remove unnecessary braces.
16233 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16234 Richard Henderson <rth@cygnus.com>
16236 * resource.c (mark_referenced_resources): Mark a set strict_low_part
16238 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
16239 strict_low_part when possible.
16241 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16243 * alias.c: PROTO -> PARAMS.
16244 * basic-block.h: Likewise.
16245 * bitmap.c: Likewise.
16246 * bitmap.h: Likewise.
16247 * builtins.c: Likewise.
16248 * c-aux-info.c: Likewise.
16249 * caller-save.c: Likewise.
16250 * calls.c: Likewise.
16252 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16254 * Makefile.in (toplev.o): Depend on regs.h.
16256 * output.h (tdesc_section): Prototype.
16258 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
16260 * sdbout.c: Include "tm_p.h".
16262 * toplev.c: Include "regs.h".
16264 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
16266 * unroll.c (unroll_loop): Add EH support.
16268 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16270 * pa-protos.h: New file.
16272 * pa.c: Include recog.h and tm_p.h.
16273 (compute_zdepwi_operands, compute_movstrsi_length,
16274 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
16275 find_addr_reg, import_milli): Add static prototypes.
16276 (pa_cpu_string, pa_arch_string): Constify a char*.
16277 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
16278 (read_only_operand): Add argument `mode'.
16279 (singlemove_string, output_move_double, output_fp_move_double,
16280 output_block_move, output_and, output_ior, output_ascii,
16281 remove_useless_addtr_insns, milli_names, output_mul_insn,
16282 output_div_insn, output_mod_insn, output_arg_descriptor,
16283 output_cbranch, output_bb, output_bvb, output_dbra, ,
16284 output_millicode_call, output_call, hppa_encode_label,
16285 output_parallel_movb, output_parallel_addb): Constify a char*.
16286 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
16287 (output_parallel_addb): Remove extra arg to `constrain_operands'
16289 * pa.h: Move all prototypes to pa-protos.h.
16290 (pa_cpu_string, pa_arch_string): Constify a char*.
16291 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
16293 * pa.md: Call `function_label_operand' with mode argument.
16294 Likewise for `read_only_operand'.
16295 Fix nesting of parens in call to `symbolic_operand'.
16297 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16299 * i860-protos.h: New file.
16301 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
16304 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
16306 * i860.md: Likewise.
16308 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
16310 * i386.md (movstrsi expander): Rewrite.
16311 (movstrsi_1 insn): Deleted.
16312 (strmovhi, strmovqi expander): New expanders.
16313 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
16314 * i386.c (x86_single_stringop): New global variable.
16315 * i386.h (x86_single_stringop): Declare.
16316 (TARGET_SINGLE_STRINGOP): New macro.
16318 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
16320 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
16321 integer vararg POSTINCREMENT before the destination of the jump
16322 for the hard fp case.
16323 (function_arg_pass_by_reference): Pass a copy of CUM to
16326 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
16327 for CONSTANT_ADDRESS_P above while loop for subreg.
16329 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
16331 * flow.c (propagate_block): When a prologue/epilogue insn
16332 is marked dead, unconditionally clear libcall_is_dead and
16333 insn_is_dead, and only dump rtl if warnings aren't being
16336 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
16338 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
16339 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
16340 (FIXED_REGISTERS): Set dirflag as fixed.
16341 (CALL_USED_REGISTERS): Set dirflag as used.
16342 (REG_ALLOC_ORDER): Set dirflag as last one.
16343 (DIRFLAG_REG): New macro.
16344 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
16345 (HI_REGISTER_NAMES): Add dirflag.
16346 (DEBUF_PRINT_REG): Handle dirflag.
16347 * i386.md (type attribute): New cld and str types.
16348 (length_opcode attribute): Set cld and str to 1.
16349 (memory attribute): Set str to unknown - it is not clear from the
16351 (pent_np function unit): Prefixed string operations takes 12 cycles
16352 minimally; cld takes 2 cycles.
16353 (ppro_uops attribute): Str is "many" and cld is "few".
16354 (ppro_p0 unit): Handle cld here.
16355 (k6_alux unit): Handle cld and str types.
16356 (k6_load unit): It is ocupied by str opcodes.
16357 (k6_store unit): It is ocupied by str opcodes.
16358 (athlon_decode): Str is vector decoded.
16359 (athlon_ieu): Handle str and cld.
16360 (cld pattern): New.
16361 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
16362 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
16363 cmpstrsi_nz_1 insn): Do not output cld instruction
16365 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
16367 * gcc.texi (G++ and GCC): Add Java and Chill.
16368 (Bug Critera): Don't list languages.
16370 * gcc.texi (Incompatibilities): No longer claim most C compilers
16373 * gcc.texi (G++ and GCC): Update other front-ends list.
16375 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
16377 * i386.c (ix86_expand_setcc): Fix typo.
16378 (ix86_expand_movcc): Similarly.
16380 * Band-aid until haifa's bitset implementation is nuked.
16381 * haifa-sched.c (extract_bitlst): New parameter for size of the
16382 bitset in bits. All callers changed. Avoid looking at undefined
16383 bits in the bitset.
16384 (edgeset_bitsize): New variable.
16385 (schedule_region): Initialize edgeset_bitsize.
16387 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16389 * Makefile.in (optabs.o): Depend on real.h
16390 (resource.o): Depend on insn-attr.h
16392 * builtins.c (result_vector): Wrap prototype in macro conditions
16393 governing definition and use.
16395 * c-common.c: Include tm_p.h.
16397 * c-lex.c: Likewise.
16399 * elfos.h: Constify a char*.
16401 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
16402 (get_attr_length, shorten_branches, profile_after_prologue): Mark
16403 parameter with ATTRIBUTE_UNUSED.
16405 * fold-const.c (exact_real_inverse): Wrap variable `i' in
16408 * haifa-sched.c (schedule_insns): Mark parameter with
16411 * optabs.c: Include real.h.
16413 * real.h (ereal_atof): Add prototype arguments.
16415 * resource.c: Include insn-attr.h.
16417 * sdbout.c (sdbout_queue_anonymous_type,
16418 sdbout_dequeue_anonymous_types): Wrap in macro
16419 SDB_ALLOW_FORWARD_REFERENCES.
16420 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
16423 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
16425 * stupid.c: Include tm_p.h.
16427 * tree.c (real_value_from_int_cst): Mark parameter with
16430 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16432 * i960-protos.h: New file.
16434 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
16437 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
16439 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16441 * combine.c (expand_field_assignment): Do not discard SUBREGs
16442 while computing nonzero_bits.
16444 2000-01-09 Nick Clifton <nickc@cygnus.com>
16446 * config/arm/arm.c: Fix compile time warnings about signed vs
16447 unsigned constants.
16448 * config/arm/arm.h: Fix compile time warnings about signed vs
16449 unsigned constants.
16451 2000-01-09 Philip Blundell <philb@gnu.org>
16453 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
16454 than `ldm' with only one register.
16455 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
16458 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
16461 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
16463 * config/ns32k/ns32k.md (load or push effective address): Operand 1
16466 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16468 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
16469 assignment used as truth value.
16471 * function.c (assign_temp): Mark parameter `dont_promote' with
16472 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
16473 PROMOTE_FOR_CALL_ONLY.
16475 * genrecog.c (write_subroutine): Mark variable `operands' with
16478 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
16481 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
16482 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
16484 * toplev.c (note_deferral_of_defined_inline_function): Likewise
16487 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16489 * config/c4x.h: Tidy up comments.
16490 * config/c4x.c: Likewise.
16492 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
16494 * fold-const.c (lshift_double, rshift_double): Handle
16495 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
16497 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16499 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
16500 in prepare_function_start().
16502 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
16504 * config/v850/v850.c (expand_epilogue): Interrupt functions no
16505 longer allocate extra stack for function calls.
16507 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16509 * config/c4x/c4x.md (*subqf3_set): Fix typo.
16511 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16513 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
16515 2000-01-07 David Edelsohn <edelsohn@gnu.org>
16517 * rs6000.c (processor_target_table): Add power3 as alias for 630.
16518 * aix43.h: Revert Aug 2 change.
16519 (HAS_INIT_SECTION): Define, not visible yet.
16520 (LD_INIT_SWITCH): Define, not visible yet.
16521 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
16523 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
16525 * collect2.c (main): Expand ld2 size further.
16526 (export_object_lst): Cast assignment to avoid warning.
16527 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
16528 (scan_prog_file, COFF): Do not collect initialization or
16529 finalization functions generated for entire shared object if
16530 init/fini support present.
16532 2000-01-07 Nick Clifton <nickc@cygnus.com>
16534 * config/elfos.h: Tidy up formatting of marcos. Make sure
16535 that .section directives are always prefixed by a tab.
16537 * config/svr4.h: Add #include "elfos.h" and remove duplicate
16540 2000-01-07 Matt Austern <austern@sgi.com>
16542 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
16545 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
16547 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
16549 (crtbegin.o, s-crtS): Likewise.
16551 2000-01-06 Richard Henderson <rth@cygnus.com>
16553 * alpha.md (adddi_2+1): Limit offset such that it will be
16554 loadable with a single ldah+lda pair.
16555 (adddi_2+2): Explicitly fail split if we can't make it work.
16557 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
16559 * protoize.c: Conditionally include unistd.h.
16560 (IS_SAME_PATH_CHAR): New macro.
16561 (IS_SAME_PATH): New macro.
16562 (CPLUS_FILE_SUFFIX): New macro.
16563 (cplus_suffix): New static variable.
16564 (is_abspath): New static function.
16565 (in_system_include_dir): Handle DOS style pathnames.
16566 (file_could_be_converted): Likewise.
16567 (file_normally_convertible): Likewise.
16568 (directory_specified_p): Likewise.
16569 (file_excluded_p): Likewise.
16570 (abspath): Likewise.
16571 (shortpath): Likewise.
16572 (referenced_file_is_newer): Likewise.
16573 (save_def_or_dec): Likewise.
16574 (do_processing): Likewise.
16576 (edit_file): Likewise. Use rename instead of link.
16577 (rename_c_file): Likewise. Don't rename syscalls file.
16578 (munge_compile_params): Define null device for DOS based systems.
16579 (process_aux_info_file): Use binary mode if appliable.
16580 (edit_file): Likewise.
16581 * invoke.texi (Running Protoize): Document C++ suffixes used.
16583 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
16584 IS_DIR_SEPARATOR macros.
16585 * collect2.c: Likewise.
16586 * cppinit.c: Likewise.
16587 * dwarf2out.c: Likewise.
16589 * gcov.c: Likewise.
16590 * prefix.c: Likewise.
16592 * toplev.c: Likewise.
16593 * system.h: And move to here.
16595 * prefix.c (update_path): Fix typo in variable name.
16597 2000-01-06 Richard Henderson <rth@cygnus.com>
16599 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
16600 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
16601 (count_reg_sets_1, count_reg_references): Likewise.
16602 (flow_loops_level_compute): Start counting actual loop depth at 1.
16603 (flow_loops_find): Likewise.
16604 * local-alloc.c (update_equiv_regs): Likewise.
16605 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
16607 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
16609 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
16610 FIRST_PSEUDO_REGISTER
16611 * dwarf2out.c: Don't include frame.h
16612 * dwarfout.c: Likewise
16613 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
16616 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
16618 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
16621 * i386.c (movsf splitter): Fix typo in my last checkin.
16623 2000-01-05 Nick Clifton <nickc@cygnus.com>
16625 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
16626 own definition of this macro.
16627 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
16628 flag_data_sections or UNIQUE_SECTION_P are true.
16630 * tm.texi (UNIQUE_SECTION): Document that it can be called for
16631 unitialised data decls.
16633 * config/i386/winnt.c (i386_pe_unique_section): Cope with
16634 being called for uninitialised data.
16636 * config/i386/interix.c (i386_pe_unique_section): Cope with
16637 being called for uninitialised data.
16639 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
16640 for uninitialised data.
16642 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
16643 for uninitialised data.
16645 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
16646 for uninitialised data.
16648 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
16649 (UNIQUE_SECTION_P): Always generate a unique section if
16650 flag_data_sections is true.
16651 (UNIQUE_SECTION): Also generate unique sections for
16652 uninitialised data.
16653 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
16654 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
16657 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16659 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
16662 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16664 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
16665 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
16666 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
16667 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
16668 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
16670 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
16672 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
16674 * c-decl.c (finish_enum): Simplify code to determine minimum and
16675 maximum values of the enum, and calculate the type. Remove check
16676 for FUNCTION_DECLs in the values list, which cannot happen. Replace
16677 the DECL_INITIAL of each enumeration constant with a copy converted
16678 to the enumeration type. When updating variant types, don't bother
16679 updating the type itself.
16681 * c-typeck.c (build_binary_op): Simplify conditional expressions
16682 when weeding out spurious signed-unsigned warnings. Add new
16683 spurious warning category: if the unsigned quantity is an enum
16684 and its maximum value fits in signed_type(result_type). Update
16686 (build_conditional_expr): Warn here if one alternative is signed
16687 and the other is unsigned.
16689 2000-01-05 Nick Clifton <nickc@cygnus.com>
16691 * config/fr30/fr30.h: Remove extraneous comments.
16693 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
16695 * reload1.c (choose_reload_regs): When disabling a reload, also
16696 set reload_spill_index to -1.
16698 2000-01-04 Joel Sherrill (joel@OARcorp.com>
16700 * configure.in (m68*-*-rtemscoff*): New target, formal name for
16702 (m68*-*-rtemself*): New target.
16703 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
16704 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
16705 (sparc*-*-rtemself*): New target.
16706 (sparc*-*-rtems*): Now elf not a.out.
16707 * config/i386/rtems.h: Include config/rtems.h.
16708 * config/i386/rtemself.h: Include config/rtems.h.
16709 * config/i960/rtems.h: Include config/rtems.h.
16710 * config/m68k/rtems.h: Include config/rtems.h.
16711 * config/m68k/rtemself.h: Include config/rtems.h.
16712 * config/mips/rtems64.h: Include config/rtems.h.
16713 * config/pa/rtems.h: Include config/rtems.h.
16714 * config/rs6000/rtems.h: Include config/rtems.h.
16715 * config/sh/rtems.h: Include config/rtems.h.
16716 * config/sh/rtemself.h: Include config/rtems.h.
16717 * config/sparc/rtems.h: Include config/rtems.h.
16718 * config/sparc/rtemself.h: Include config/rtems.h
16720 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
16722 * final.c (shorten_branches): Correctly compute length of
16723 asms without operands.
16725 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
16727 * configure.in: Add pj target.
16728 * configure: Regenerate.
16729 * config/pj: New directory.
16730 * config/pj/lib1funcs.S: New file.
16731 * config/pj/linux.h: New file.
16732 * config/pj/pj.c: New file.
16733 * config/pj/pj.md: New file.
16734 * config/pj/pjl.h: New file.
16735 * config/pj/t-pj: New file.
16736 * config/pj/xm-pj.h: New file
16738 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
16740 * toplev.c (rest_of_compilation): Run shorten-branches before
16743 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16745 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
16746 macros so that they're consistent with their names.
16747 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
16748 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
16750 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16752 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
16753 modified inadvertently.
16755 2000-01-04 Joel Sherrill <joel@OARcorp.com>
16757 * configure.in (v850*-*-rtems*): New target.
16758 * configure: Regenerate.
16759 * config/v850/rtems.h: New file.
16761 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
16763 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
16764 (__gthread_key_create): Likewise.
16765 (__gthread_key_dtor): Likewise.
16766 (__gthread_once): Fix logic.
16767 (__gthread_key_delete): Cast away constness.
16769 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
16770 * invoke.texi: Document.
16771 * i386/mingw32.h (CPP_SPEC): Use.
16772 (LIBGCC_SPEC): Likewise.
16773 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
16775 2000-01-04 David Edelsohn <edelsohn@gnu.org>
16777 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
16778 (HANDLE_PRAGMA_PACK): Undefine.
16779 (SLOW_UNALIGNED_ACCESS): Define.
16781 2000-01-04 David Edelsohn <edelsohn@gnu.org>
16783 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
16784 to default definition.
16785 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
16786 (store_fixed_bit_field): Call macro with word_mode and alignment.
16787 (extract_bit_field): Call macro with relevant mode and alignment.
16788 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
16789 to default definition.
16790 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
16792 (move_by_pieces_ninsns): Likewise.
16793 (clear_by_pieces): Likewise.
16794 (emit_push_insn): Likewise.
16795 (store_field): Call macro with relevant mode and alignment.
16796 (expand_expr): Likewise.
16797 (expand_expr_unaligned): Likewise.
16799 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
16800 (SLOW_UNALIGNED_ACCESS): Define.
16801 (CASE_VECTOR_MODE): Always use 32-bit offsets.
16802 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
16803 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
16804 (toc_section): Likewise and .toc pseudo-op.
16805 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
16807 (TEXT_SECTION_ASM_OP): Likewise.
16808 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
16811 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
16812 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
16813 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
16814 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
16815 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
16817 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
16819 * regclass.c: Revert my Jan 4 change to loop cost computation.
16821 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
16823 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
16826 2000-01-04 Stan Cox <scox@cygnus.com>
16828 * haifa-sched.c (build_control_flow): Change unreachable simple
16829 loop test to check if current block has only one predecessor.
16830 (find_rgns): Initialize degree. Use dest as degree index, not src.
16832 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16834 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
16836 * calls.c (expand_call): Likewise for
16837 `old_stack_arg_under_construction'.
16839 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
16841 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
16844 * gcc.c (execute): Likewise for `ut' and `st'.
16846 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
16848 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
16850 * jump.c (jump_optimize_1): Likewise for `temp2'.
16852 * local-alloc.c (block_alloc): Likewise for `r1'.
16854 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
16856 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
16857 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
16859 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
16862 * reload.c (find_reloads): Likewise for `goal_alternative_number'
16863 and `goal_earlyclobber'.
16865 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
16867 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
16869 * stupid.c (stupid_life_analysis): Likewise for `chain'.
16871 * unroll.c (copy_loop_body): Likewise for `copy'.
16873 * varasm.c (output_constructor): Likewise for `byte'.
16875 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
16877 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
16878 all FP constants for constant->reg moves.
16879 (ix86_split_to_parts): Try to convert memory address into immediate
16880 when available in the constant pool.
16881 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
16883 (LEGITIMATE_CONSTANT_P): Return 1.
16884 * i386.md (pushsf): New splitter to convert constant pool memory
16885 reference to immediate.
16886 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
16889 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
16891 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
16892 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
16893 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
16894 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
16895 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
16897 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
16899 * ginclude/stdbool.h: Support compilation as C++.
16901 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16903 * fold-const.c (make_range): Don't try to reverse an unbounded range.
16905 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
16907 * regclass.c (regclass): Properly compute loop_cost. Adjust
16910 * regclass.c: Fix minor whitespace problems.
16912 2000-01-03 Anthony Green <green@cygnus.com>
16914 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
16915 Restore the pic register if required.
16917 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
16919 * c-common.c (format_char_info): Update comment.
16920 (check_format_info): Recognize 'z' modifier in the same way 'Z'
16921 was recognized. Emit warning for formats new in ISO C99 only
16922 if flag_isoc9x is not set.
16924 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
16926 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
16928 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
16930 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
16931 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
16932 (make_compound_operation): Choose cheaper alternative between
16933 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
16935 * regclass.c (op_costs): Remove global variable.
16936 (record_reg_classes): New parameter "op_costs" and "reg_pref".
16937 (record_operand_costs): Break out from ...
16938 (scan_one_insn): ... here.
16939 (dump_regclass): Make dumps nicer.
16940 (regclass): Dump preferrences choosed and changes done during passes.
16942 2000-01-03 Jakub Jelinek <jakub@redhat.com>
16944 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
16946 2000-01-03 Jakub Jelinek <jakub@redhat.com>
16948 * config/sparc/sparc.c (gen_df_reg): New function.
16949 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
16950 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
16951 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
16952 movtf_cc_reg_sp64+1): Use it.
16954 2000-01-02 Mark Mitchell <mark@codesourcery.com>
16956 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
16957 copied LABEL_DECLs.
16959 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
16961 * config/i386/i386.c (ix86_expand_unary_operator): Function
16962 definition made void.
16963 (ix86_expand_binary_operator): Update outdated preceding comment.
16964 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
16967 * config/i386/i386.c (override_options): Fix option-name typo.
16969 2000-01-02 Mark Mitchell <mark@codesourcery.com>
16971 * system.h (CEIL): Define.
16972 * builtins.c (CEIL): Remove.
16973 * expmed.c (CEIL): Likewise.
16974 * expr.c (CEIL): Likewise.
16975 * stor-layout.c (CEIL): Likewise.
16977 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16979 * expr.c (store_constructor_field): Fix typo introduced with last
16982 2000-01-01 Mark Mitchell <mark@codesourcery.com>
16984 * tree.h (BINFO_N_BASETYPES): New macro.
16986 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
16988 * expmed.c (emit_store_flag): Prevent losing a pending stack
16989 adjust the same way we prevent losing queued increments.
16991 See ChangeLog.2 for earlier changes.