1 Wed Jun 28 15:39:26 2000 Donn Terry (donnte@microsoft.com)
3 * i386-interix.h (STRIP_NAME_ENCODING): Declare _new_name properly.
5 * alpha/alpha-interix.h: Delete redundant -Asystem(interix),
6 use -isystem instead of -idirafter.
7 * i386/i386-interix.h: Likewise.
9 2000-06-28 Jason Merrill <jason@redhat.com>
11 * dwarf2out.c (output_loc_operands): Don't support >1 byte output
12 unless DWARF2_DEBUGGING_INFO is defined.
13 (ASM_OUTPUT_DWARF_*): Wrap normal output defs with #ifndefs.
15 2000-06-28 Richard Henderson <rth@cygnus.com>
17 * config/alpha/alpha.c (summarize_insn): Ignore SCRATCH.
19 2000-06-28 Jakub Jelinek <jakub@redhat.com>
21 * cpplex.c (output_line_command): Output correct #line if a header
22 is including itself and is not protected against multiple inclusion.
24 2000-06-28 Zack Weinberg <zack@wolery.cumb.org>
26 * cppfiles.c (open_include_file): If open(2) returns EMFILE or
27 ENFILE, close all cached file descriptors and try again.
28 (_cpp_execute_include): Keep a count of the number of times
29 each header is included.
30 (close_cached_fd): New function.
31 * cpphash.h (struct include_file): Rename before to
32 include_count; all users updated. Make include_count and sysp
34 * cppinit.c (cpp_finish): If -H, report headers that could use
36 (report_missing_guard): New function.
38 Wed Jun 28 14:46:58 MET DST 2000 Jan Hubicka <jh@suse.cz>
40 * i386.md (prologue_set_got): Set length_immediate field.
41 (testqi_ccno_1): Add missing '@' character.
43 2000-06-27 Jason Merrill <jason@redhat.com>
45 * dwarf2out.c (expand_builtin_init_dwarf_reg_sizes): Use
48 2000-06-27 Andrew Macleod <amacleod@cygnus.com>
50 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA2): Provide default when no
51 unsigned macros available.
53 2000-06-27 Richard Henderson <rth@cygnus.com>
55 * config/ia64/ia64.c (emit_insn_group_barriers): Special case
56 epilogue_deallocate_stack.
58 * config/ia64/ia64.c (ia64_print_operand) [case D]: Emit
59 completers for UNORDERED and ORDERED as well.
60 * config/ia64/ia64.md (bunordered, bordered): New.
61 (sunordered, sordered): New.
63 Tue Jun 27 12:14:12 MET DST 2000 Jan Hubicka <jh@suse.cz>
65 * genattrtab.c (write_attr_value): Do not abort for CONST_INT operands.
66 * i386.c (ix86_attr_length_default): Kill.
67 (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
69 * i386-protos.h (ix86_attr_length_default): Kill
70 (ix86_attr_length_immediate_default, ix86_attr_length_address_default):
72 * i386.md (attribute type): Add "test".
73 (attribute length_prefix): Kill.
74 (attribute length_opcode): Kill.
75 (attribute i387, mode, length_immediate, length_address, prefix_data16,
76 prefix_rep, prefix_0f, modrm): New.
77 (attribute length): Compute using the new attributes.
78 (attribute pent_prefix): New.
79 (attribute pent_pair): Compute using pent_prefix.
80 (all insn patterns): Set mode,modrm and immediate_length attributes where
82 (cmpsi patterns): Compute sizes propertly for test instruction.
83 (movsi, movhi patterns): Compute sizes propertly for eax shortcuts.
84 (movstricthi_xor, movstrictqi_xor): New patterns.
85 (andsi/andhi): Use splitters to generate xor instructions.
86 (xorqi_ext_1): New pattern.
87 (movstricthi->movstricthi_xor peep2): New.
89 Tue Jun 27 12:03:03 MET DST 2000 Jan Hubicka <jh@suse.cz>
91 * i386.md (addqi_low_1): Remove.
93 2000-06-27 Philipp Thomas <pthomas@suse.de>
95 * 1750a.h: Mark help strings for options/switches for translation.
100 * riscix.h: Likewise.
102 * clipper.h: Likewise.
103 * convex.h: Likewise.
109 * cygwin.h: Likewise.
113 * osf1elf.h: Likewise.
114 * osfrose.h: Likewise.
118 * paragon.h: Likewise.
124 * mn10300.h: Likewise.
132 * rs6000.h: Likewise.
135 * linux64.h: Likewise.
136 * sp64-elf.h: Likewise.
140 * convex.h (TARGET_SWITCHES): Provide descriptions and mark them
142 * sp86x-aout.h: Remove bogus first definition of SUBTARGET_SWITCHES.
143 Properly document option and mark for translation.
144 * sp86x-elf.h: Likewise.
146 2000-06-27 Bernd Schmidt <bernds@cygnus.co.uk>
148 Add MMX and SSE registers to i386 machine description.
149 * i386-protos.h (ix86_constant_alignment, ix86_data_alignment,
150 ix86_local_alignment): Declare.
152 * i386.h (TARGET_MMX, TARGET_SSE): New.
153 (FIRST_PSEUDO_REGISTER, FIXED_REGISTERS, CALL_USED_REGISTERS,
154 REG_ALLOC_ORDER, HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
155 REG_CLASS_NAMES, REG_CLASS_CONTENTS,REG_CLASS_FROM_LETTER,
156 enum reg_class, HI_REGISTER_NAMES): Added MMX/SSE registers.
157 (FIRST_SSE_REG, LAST_SSE_REG, SSE_REGNO_P): New.
158 (FIRST_MMX_REG, LAST_MMX_REG, MMX_REGNO_P, MMX_REG_P): New macros.
159 (RETURN_IN_MEMORY): Handle MMX/SSE.
160 (REG_PARM_STACK_SPACE): Added so the first three TImode parameters
161 also get stack space.
162 (MUST_PASS_IN_STACK): Added TImode to the default definition.
163 (CUMULATIVE_ARGS): Added sse_nregs, sse_regno and sse_words.
164 (MMX_REGISTER_NAMES): New.
165 (ALIGN_MODE_128): New macro.
166 (CONSTANT_ALIGNMENT): Code moved out-of-line; just call the function.
167 (DATA_ALIGNMENT): Likewise.
168 (LOCAL_ALIGNMENT): Likewise.
169 (CONDITIONAL_REGISTER_USAGE): Make MMX/SSE regs fixed if not
170 TARGET_MMX/TARGET_SSE.
171 (VALID_SSE_REG_MODE, VALID_MMX_REG_MODE): New macros.
172 (REG_CLASS_FROM_LETTER): 'y' for MMX regs.
173 (SECONDARY_MEMORY_NEEDED): Be conservative about copying between
174 SSE/MMX regs and something else.
175 (CLASS_MAX_NREGS): 1 for SSE and MMX regs.
176 (REGISTER_MOVE_COST): 10 if trying to move between MMX and SSE regs,
177 3 if moving between MMX regs and something else.
179 * i386.c (reg_class): Add SSE_REGS, MMX_REGS.
180 (regclass_map): Add MMX/SSE registers.
181 (print_operand): Add code to print XMMWORD as appropriate.
182 (ix86_split_movdi): Abort for MMX regs.
183 (init_cumulative_args): Also allow SSE_REGS
184 (function_arg_advance, function_arg): Likewise
185 (print_reg): Support 'm'. Add case for TImode.
186 (override_options): TARGET_SSE implies TARGET_MMX.
187 (ix86_constant_alignment, ix86_data_alignment, ix86_local_alignment):
190 * config/i386/unix.h (VALUE_REGNO): VECTOR_MODE values go to
192 * config/i386/ptx4-i.h (RETURN_IN_MEMORY): Return MMX values in
194 * config/i386/sysv4.h (RETURN_IN_MEMORY): Likewise.
195 * config/i386/i386elf.h (RETURN_IN_MEMORY): Likewise.
197 2000-06-26 Geoff Keating <geoffk@cygnus.com>
199 * ssa.c (struct rename_set_data): Change the name of field
200 'set_dest' to 'old_reg'. Add comments.
201 (struct rename_context): Change the name of 'set_data' to
202 'new_renames'. Add new field 'done_renames'.
203 (create_delayed_rename): New function.
204 (apply_delayed_renames): New function.
205 (rename_insn_1): Use the new functions. Handle CLOBBERS. Handle
206 SUBREGs and similar by emitting a move.
207 (new_registers_for_updates): Delete, functionality moved to
208 apply_delayed_renames.
209 (rename_block): Handle moves emitted by rename_insn_1 by putting
210 them into a SEQUENCE with the original insn. Add sanity checks
212 (rename_equivalent_regs_in_insn): Don't handle SUBREGs specially.
213 (rename_equivalent_regs): Expand SEQUENCEs out to individual insns.
215 2000-06-26 Andrew Macleod <amacleod@cygnus.com>
216 Jason Merrill <jason@redhat.com>
218 * dwarf2.h (enum dwarf_call_frame_info): Add
219 DW_CFA_def_cfa_expression.
220 * dwarf2out.c (union dw_cfi_oprnd_struct): Add a pointer to a
221 dw_loc_descr_struct entry.
222 (struct cfa_loc): New structure to track a CFA location.
223 (lookup_cfa): Take a cfa_loc parameter instead of a reg and an offset.
224 (lookup_cfa_1): Take a cfa_loc parameter instead of a reg and an
225 offset, plus handle DW_CFA_def_cfa_expression.
226 (def_cfa_1): Use to be dwarf2out_def_cfa, only now it uses a
228 (dwarf2out_def_cfa): Entry point maintained for compatability.
229 (dwarf_cfi_name): Add DW_CFA_def_cfa_expression.
230 (cfa_reg, cfa_offset): Replace with cfa_loc record 'cfa'.
231 (cfa_store_reg, cfa_store_offset): Replace with cfa_loc 'cfa_store'.
232 (initial_return_save, dwarf2out_stack_adjust): Use cfa.reg, not
234 (dwarf2out_frame_debug_expr): Use new cfa_loc records. Recognize rtl
235 sequences for the new DW_CFA_def_cfa_expression record.
236 (dwarf2out_frame_debug): Use new variables/fields.A
237 (output_cfi): Handle DW_CFA_def_cfa_expression.
238 (output_cfa_loc): New function to generate a CFI record for
239 DW_CFA_def_cfa_expression.
240 (get_cfa_from_loc_descr): New function to get a cfa_loc record from
241 a dw_loc_descr sequeunce.
242 (build_loc_descr): Build a dw_loc_descr from a cfa_loc record.
243 (dwarf_stack_op_name, new_loc_descr, add_loc_descr, size_of_loc_descr,
244 size_of_locs, output_loc_operands, output_loc_sequence): Move into
246 * frame.h (frame_state): Add base_offset and indirect fields.
247 * frame-dwarf2.c (decode_stack_op): New function to interpret a
248 dw_loc_descr operation.
249 (execute_cfa_insn): Add support for DW_CFA_def_cfa_expression.
250 (struct frame_state): Add base offset and indirect fields.
251 * libgcc2.c (next_stack_level): Support indirect loading for CFA.
253 2000-06-26 Joseph S. Myers <jsm28@cam.ac.uk>
255 * c-decl.c (grokdeclarator): Don't warn about `long long' in C99.
256 Make warnings about implicit int be pedwarns in C99. Don't warn
257 about duplicate type qualifiers in C99.
258 (start_function): Make warning about implict int return type be a
260 * c-lex.c (yylex): Don't warn about `long long' in C99.
261 * c-typeck.c (c_expand_return): In C99, always pedwarn about
262 `return' with no value in function returning non-void.
264 2000-06-26 Richard Henderson <rth@cygnus.com>
266 * c-typeck.c (pedwarn_c99): New.
267 * diagnostic.c (verror, vwarning, vpedwarn): Export.
268 * toplev.h: Prototype them.
270 2000-06-26 J. David Anglin <dave@hiauly1.hia.nrc.ca>
272 * c-typeck.c (digest_init): Return error_mark_node node when
273 TREE_TYPE (init) == error_mark_node.
275 2000-06-26 Philipp Thomas <pthomas@suse.de>
277 * aclocal.m4 (AM_WITH_NLS): Don't set MSGFMT or GMSGFMT to no,
278 test for msgfmt without path instead.
279 * configure: Rebuilt.
281 2000-06-25 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
283 * gengenrtl.c (special_rtx): Fix typo in comment.
285 2000-06-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
287 * mklibgcc.in (LIB2FUNCS): Add missing space.
289 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
291 * tree.h (enum tree_index): Add vector type nodes.
292 Add accessor macros for them.
293 (TYPE_REPRESENATION_TYPE): New macro.
294 * tree.c (build_common_tree_nodes_2): Build these nodes.
295 (finish_vector_type): New function.
296 * c-common.c (type_for_mode): Handle vector modes.
297 * tm.texi (VECTOR_MODE_SUPPORTED_P): Document.
299 * dbxout.c (dbxout_type): Handle VECTOR_TYPEs.
300 * dwarf.h (enum dwarf_fundamental_type): Add 128 bit integers.
301 * dwarf2out.c (lookup_type_die): Handle VECTOR_TYPEs.
302 (gen_type_die): Likewise.
303 * dwarfout.c (dwarf_fund_type_name): Handle 128 bit integers.
304 (fundamental_type_code): Likewise.
305 (type_is_fundamental): VECTOR_TYPEs aren't.
306 (output_type): Handle VECTOR_TYPEs.
308 2000-06-25 Kazu Hirata <kazu@hxi.com>
310 * config/arm.c: Fix a comment typo.
311 * config/arm.h: Likewise.
313 2000-06-25 Philipp Thomas <pthomas@suse.de>
315 * aclocal.m4 (AM_WITH_NLS): Set create_catalogs=no if no catalog
317 AM_GNU_GETTEXT: Don't set CATALOGS if create_catalogs=no.
318 * configure: Rebuilt.
320 2000-06-25 John David Anglin <dave.anglin@nrc.ca>
322 * config/vax/vax.h (TARGET_SWITCHES): Provide descriptions.
324 2000-06-25 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
326 * mklibgcc.in: Prefer LIB1ASMFUNCS over LIB2FUNCS when generating
329 2000-06-24 Marc Espie <espie@cvs.openbsd.org>
331 * collect2.c (resolve_lib_name): Move '/' check out of loop.
333 2000-06-24 Dirk Duellmann <Dirk.Duellmann@cern.ch>
335 * ginclude/stddef.h (NULL): define for non-gnu C++ parsers as 0.
337 2000-06-24 Jakub Jelinek <jakub@redhat.com>
339 * stmt.c (expand_decl_cleanup): Emit a dummy insn after
340 last_unconditional_cleanup.
342 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
344 * tree.def (VECTOR_TYPE): New node type.
345 * tree.h: Adjust some comments to reflect addition of vector types.
346 (TYPE_VECTOR_SUBPARTS): New macro.
347 * stor-layout.c (layout_type): Handle VECTOR_TYPE.
348 * c-convert.c (convert): Likewise.
349 * convert.c (convert_to_integer): Handle vector modes.
350 (convert_to_vector): New function.
351 * convert.h (convert_to_vector): Declare.
352 * expr.c (convert_move): Handle vector modes.
353 * expmed.c (extract_bit_field): Don't abort for vector modes.
355 2000-06-24 Marek Michalkiewicz <marekm@linux.org.pl>
357 * config/avr/avr-protos.h (avr_hard_regno_mode_ok): New prototype.
358 * config/avr/avr.c (out_adj_frame_ptr, out_set_stack_ptr):
359 New functions, common code moved from function_{prologue,epilogue}
360 and extended to support the -mtiny-stack option.
361 (function_prologue, function_epilogue): Use them.
362 Use lo8/hi8 consistently for asm output readability.
363 (avr_hard_regno_mode_ok): New function.
364 * config/avr/avr.h (TARGET_SWITCHES): Fix typo. Add -mtiny-stack.
365 (UNITS_PER_WORD): Define as 4 (not 1) when compiling libgcc2.c.
366 (HARD_REGNO_MODE_OK): Call the avr_hard_regno_mode_ok function.
367 * config/avr/avr.md (*mov_sp_r): Add support for -mtiny-stack.
368 Write SPH before SPL.
369 (*movqi): No need to disable interrupts for just one "out"
370 in alternative 5. Change length attribute from 4 to 1.
371 * config/avr/libgcc.S (__prologue_saves__, __epilogue_restores__):
372 Write SPH before SPL.
374 2000-06-24 Bernd Schmidt <bernds@cygnus.co.uk>
376 * rtl.texi (Vector Operations): New node.
377 (Arithmetic): Add ss_plus, us_plus, ss_minus, us_minus.
378 (Conversions): Add ss_truncate, us_truncate.
379 * rtl.def (VEC_MERGE, VEC_SELECT, VEC_CONCAT, VEC_REORDER,
380 VEC_CONST, VEC_DUPLICATE, SS_PLUS, SS_MINUS, SS_TRUNCATE,
381 US_TRUNCATE): New rtx codes.
382 * machmode.def: Add vector modes.
383 * machmode.h (enum mode_class): Add MODE_VECTOR_INT and
385 (INTEGER_MODE_P): Check for MODE_VECTOR_INT.
386 (FLOAT_MODE_P): Check for MODE_VECTOR_FLOAT.
387 (VECTOR_MODE_P): New.
389 2000-06-24 Nathan Sidwell <nathan@codesourcery.com>
391 * cpp.texi: Clarify #pragma GCC namespace.
393 2000-06-24 Philipp Thomas <pthomas@suse.de>
395 * aclocal.m4(AM_GNU_GETTEXT): If LINGUAS isn't set, build
396 all catalogs specified in ALL_LINGUAS.
397 * configure: Rebuilt.
399 2000-06-23 Jakub Jelinek <jakub@redhat.com>
401 * config/sparc/sparc.md (reload_outdi+1): Handle
402 HOST_BITS_PER_WIDE_INT == 64 case correctly.
403 (adddi3_insn_sp32+1, adddi3_insn_sp32+2, andsi3+2): Likewise.
405 2000-06-23 Geoffrey Keating <geoffk@cygnus.com>
407 * alias.c (fixed_scalar_and_varying_struct_p): Don't examine
408 struct vs. scalar-ness when -fno-strict-aliasing.
410 2000-06-23 Nathan Sidwell <nathan@codesourcery.com>
412 * cpplib.c (struct pragma_entry): New structure.
413 (pragma_dispatch): Pragma dispatcher.
414 (top_pragmas, gcc_pragmas): New static variables.
415 (do_pragma): Use pragma_dispatch.
416 (do_pragma_gcc): New pragma handler.
419 2000-06-23 Jakub Jelinek <jakub@redhat.com>
421 * calls.c (compute_argument_addresses): Force stack slots into
423 * expr.c (emit_push_insn): Force pushes into alias set 0.
425 2000-06-23 Richard Henderson <rth@cygnus.com>
427 * config/ia64/ia64.md (pred_rel_mutex): Only take one register.
428 * config/ia64/ia64.c (emit_predicate_relation_info): Adjust to match.
430 2000-06-22 Jason Merrill <jason@redhat.com>
432 * toplev.c (compile_file): Always call timevar_print.
433 * Makefile.in (calls.o): Depend on TIMEVAR_H.
435 2000-06-22 Nathan Sidwell <nathan@codesourcery.com>
437 * varasm.c (constant_descriptor): Make contents unsigned char.
438 (mark_const_hash_entry): Adjust.
439 (const_hash): Just hash the code of unknown nodes.
440 (compare_constant_1): Adjust for unsigned char.
441 Use language specific expander on unknown nodes.
442 (record_constant_1): Likewise.
444 2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
446 * cppfiles.c (cpp_make_system_header): New function.
447 * cpplib.h: Prototype it.
448 * cpplib.c (do_line, do_pragma_system_header): Use it.
449 * fix-header.c (read_scan_file): Use it.
451 * fix-header.c (check_macro_names): Cast second arg of
452 cpp_defined to const unsigned char *.
453 (read_scan_file): Make getchar_call const unsigned char.
455 2000-06-21 Zack Weinberg <zack@wolery.cumb.org>
457 * cppfiles.c: Include splay-tree.h, not hashtab.h.
458 (redundant_include_p, make_IHASH, hash_IHASH, eq_IHASH): Delete.
459 (destroy_include_file_node): New.
460 (_cpp_init_include_hash): Rename _cpp_init_include_table.
461 Create a splay tree, not a hash table.
462 (open_include_file): Look up the path in the include table,
463 do the multiple include optimization here, etc.
464 (cpp_included): Walk the path.
465 (find_include_file): Just walk the path calling
466 open_include_file, or call it directly for an absolute path.
467 (_cpp_fake_ihash): Rename _cpp_fake_include and update for new
469 (read_include_file): Update for new scheme. Don't close the
470 file unless reading fails.
471 (_cpp_execute_include, cpp_read_file): Tweak for new scheme.
473 * cpphash.h (struct ihash, NEVER_REINCLUDE): Delete.
474 (struct include_file): New.
475 (NEVER_REREAD, DO_NOT_REREAD, CPP_IN_SYSTEM_HEADER): New
477 (CPP_PEDANTIC, CPP_WTRADITIONAL): Update.
480 * cppinit.c: Include splay-tree.h.
481 (cpp_reader_init, cpp_cleanup): Update.
483 * cpplib.h (struct cpp_buffer): Change ihash field to
484 'struct include_file *inc'. Remove system_header_p.
485 (struct cpp_reader): Change all_include_files to a
486 struct splay_tree_s *.
488 * cpplex.c: Update all references to cpp_buffer->ihash and/or
489 cpp_buffer->system_header_p.
490 (cpp_pop_buffer): Close file here, only if DO_NOT_REREAD.
492 * Makefile.in (SPLAY_TREE_H): New macro.
493 (cppfiles.o, cppinit.o): Update dependencies.
495 Wed Jun 21 11:05:48 2000 Martin Buchholz <martin@xemacs.org>
497 * invoke.texi (g++): "g++" is not a script anymore.
499 2000-06-20 J. David Anglin <dave@hiauly1.hia.nrc.ca>
501 * function.c (round_down): Delete obsolete prototype.
503 * pa.h (CPP_SPEC): Add whitespace after -D__STDC_EXT__.
505 2000-06-20 Zack Weinberg <zack@wolery.cumb.org>
507 * configure.in: Use 'test a = b' not 'test a == b'.
510 * Makefile.in (fix-header): Link with $(LIBS) not $(HOST_LIBS).
512 * Makefile.in: Remove all references to HOST_INTLLIBS.
514 * cpplex.c (parse_name): Don't warn about $ in identifiers if
517 2000-06-20 Philipp Thomas <pthomas@suse.de>
519 * config/pa/pa.h(TARGET_SWITCHES): Require binutils 2.10 or later
522 Mon Jun 19 23:26:40 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
524 * Take REG_INC notes into account.
526 2000-06-19 Zack Weinberg <zack@wolery.cumb.org>
528 * c-parse.in (undeclared_variable_notice): Moved to c-typeck.c.
529 (primary: IDENTIFIER): Just call build_external_ref.
530 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
532 * c-lex.c (lastiddecl): Remove.
533 (yylex): Replace all instances of lastiddecl with local
536 * c-typeck.c (build_external_ref): New function. Treat decls
537 with C_DECL_ANTICIPATED mostly the same as nonexistent decls.
538 Look up the decl from the id here. Call lookup_objc_ivar.
539 * c-lang.c (lookup_objc_ivar): Stub.
540 * objc/objc-act.c (lookup_objc_ivar): New function.
542 * c-tree.h: Prototype lookup_objc_ivar and build_external_ref.
543 * c-lex.h: Don't declare lastiddecl.
545 2000-06-19 Benjamin Chelf <chelf@codesourcery.com>
547 * c-common.h (IF_COND): Added documentation.
548 (THEN_CLAUSE): Likewise.
549 (ELSE_CLAUSE): Likewise.
550 (WHILE_COND): Likewise.
551 (WHILE_BODY): Likewise.
554 (RETURN_EXPR): Likewise.
555 (EXPR_STMT_EXPR): Likewise.
556 (FOR_INIT_STMT): Likewise.
557 (FOR_COND): Likewise.
558 (FOR_EXPR): Likewise.
559 (FOR_BODY): Likewise.
560 (SWITCH_COND): Likewise.
561 (SWITCH_BODY): Likewise.
562 (CASE_LOW): Likewise.
563 (CASE_HIGH): Likewise.
564 (GOTO_DESTINATION): Likewise.
565 (COMPOUND_BODY): Likewise.
566 (ASM_CV_QUAL): Likewise.
567 (ASM_STRING): Likewise.
568 (ASM_OUTPUTS): Likewise.
569 (ASM_INPUTS): Likewise.
570 (ASM_CLOBBERS): Likewise.
571 (DECL_STMT_DECL): Likewise.
572 (STMT_EXPR_STMT): Likewise.
573 (LABEL_STMT_LABEL): Likewise.
575 * c-common.def: Added documenetion for SRCLOC, EXPR_STMT,
576 COMPOUND_STMT, DECL_STMT, IF_STMT, FOR_STMT, WHILE_STMT, DO_STMT,
577 RETURN_STMT, BREAK_STMT, CONTINUE_STMT, SWITCH_STMT, GOTO_STMT,
578 LABEL_STMT, ASM_STMT, SCOPE_STMT, CASE_LABEL, STMT_EXPR.
580 2000-06-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
582 * configure.in (--enable-checking): Update --help doc to reflect
583 new defaults. Ensure $ac_save_IFS is set before $IFS is changed.
585 Sun Jun 18 21:42:15 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
587 * gcse.c (insert_insn_end_bb): Always put after NOTE_INSN_BASIC_BLOCK.
589 * function.c (put_var_into_stack): Don't reference DECL_ fields
590 if input is a SAVE_EXPR.
591 Use set_mem_attributes in COMPLEX case.
593 2000-06-18 Richard Henderson <rth@cygnus.com>
595 * config/ia64/ia64-protos.h (process_for_unwind_directive): Declare.
596 (ia64_file_start): Declare.
597 * config/ia64/ia64.h (ADDL_REGNO_P): Don't compare unsigned against 0.
598 (GR_REGNO_P): Likewise.
599 * config/ia64/ia64.c: Many prototypes.
600 (ia64_reg_numbers): Constify.
601 (ia64_input_reg_names, ia64_local_reg_names): Likewise.
602 (ia64_section_threshold): Make unsigned.
603 (ia64_print_operand): Constify.
604 (fix_range): Constify.
605 (ia64_init_builtins): Don't compare signed vs unsigned.
606 (ia64_expand_builtin): Likewise.
608 * config/ia64/ia64.h (EXTRA_CONSTRAINT): New.
609 (CONSTRAINT_OK_FOR_Q): New.
610 * config/ia64/ia64.md (movdi_internal): Use Q for fp<->mem.
611 (movsf_internal, movdf_internal): Likewise.
612 (cmovdi_internal): Rewrite so that constraints and predicates match;
614 (cmovsi_internal): Likewise.
616 * config/ia64/ia64.h (ASM_SPEC): Add -x for gas.
617 (ASM_FILE_START): New.
618 * config/ia64/ia64.c (ia64_file_start): New.
619 (rtx_needs_barrier): Handle pred.rel.mutex.
620 (emit_predicate_relation_info): New.
621 * config/ia64/ia64.md (pred_rel_mutex): New.
622 * config/ia64/linux.h (ASM_SPEC): Define.
623 * config/ia64/sysv4.h (ASM_FILE_START): Define.
625 * config/ia64/ia64.c (ia64_encode_section_info): Fix thinko
626 filtering global register variables.
628 2000-06-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
630 * c-common.c (add_c_tree_codes): Fix definition for traditional C.
632 2000-06-17 Michael Meissner <meissner@redhat.com>
634 * gcc.c (do_spec_1, '%v3' case): Do not abort if patch level is
635 not present and there is a field after a '-'.
637 2000-06-17 Bruce Korb <bkorb@gnu.org>
639 * fixinc/check.tpl: finish the implementation of multiple tests
641 * fixinc/inclhack.def(ctrl_quotes_def): add a second test
642 (io_quotes_def): add a second test
643 (various): reorder `files' so that "limits.h" is never first
644 * fixinc/tests/base/*: update the testing output
646 Sat Jun 17 10:33:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
648 * gcc.texi: Remove reference to stupid.c.
650 2000-06-16 Benjamin Chelf <chelf@codesourcery.com>
652 * c-common.c (c_tree_code_type): New array.
653 (c_tree_code_length): Likewise.
654 (c_tree_code_name): Likewise.
655 (add_c_tree_codes): New function.
657 * c-common.h (add_c_tree_codes): Declare.
658 (enum c_tree_code): New enum.
660 * c-lex.c (init_parse): Added call to add_c_tree_codes.
662 2000-06-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
664 * fixinc/inclhack.def (ctrl_quotes_def, io_quotes_def): Modify
665 select pattern to also match macro defs with only one argument.
667 Thu Jun 15 18:56:12 2000 Jeffrey A Law (law@cygnus.com)
669 * i386.md: Create new [right,left] rotate and right shift
670 patterns to optimize shift by 1 bit for certain ia32 processors.
671 Update patterns which perform left shifts to optimize shift by
672 1 bit for certain ia32 processors.
673 * i386.c (const_int_1_operand): New predicate.
674 * i386.h (PREDICATE_CODES): Handle const_int_1_operand.
675 * i386-protos.h (const_int_1_operand): Prototype.
677 Wed Jun 14 23:46:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
679 * mips.c (machine_dependent_reorg): Fix braces for nested if.
681 2000-06-14 Geoff Keating <geoffk@cygnus.com>
683 * rs6000.c (toc_hash_eq): Use CODE_LABEL_NUMBER to compare
686 2000-06-14 Richard Henderson <rth@cygnus.com>
688 * conflict.c (conflict_graph_compute): Don't look for REG_INC.
690 * config/ia64/ia64.c (ia64_setup_incoming_varargs): Don't emit
693 * print-rtl.c (print_rtx): Emit space before mem alias set.
695 2000-06-14 David Edelsohn <edelsohn@gnu.org>
697 * rs6000.c (expand_block_move): Fix typo in earlier change.
698 (print_operand): Remove unused variables neg and op.
699 (toc_hash_mark_entry): Fix prototype.
701 2000-06-14 Benjamin Chelf <chelf@codesourcery.com>
703 * c-common.h (IF_COND): Moved here from cp/cp-tree.h.
704 (THEN_CLAUSE): Likewise.
705 (ELSE_CLAUSE): Likewise.
706 (WHILE_COND): Likewise.
707 (WHILE_BODY): Likewise.
710 (RETURN_EXPR): Likewise.
711 (EXPR_STMT_EXPR): Likewise.
712 (FOR_INIT_STMT): Likewise.
713 (FOR_COND): Likewise.
714 (FOR_EXPR): Likewise.
715 (FOR_BODY): Likewise.
716 (SWITCH_COND): Likewise.
717 (SWITCH_BODY): Likewise.
718 (CASE_LOW): Likewise.
719 (CASE_HIGH): Likewise.
720 (GOTO_DESTINATION): Likewise.
721 (COMPOUND_BODY): Likewise.
722 (ASM_CV_QUAL): Likewise.
723 (ASM_STRING): Likewise.
724 (ASM_OUTPUTS): Likewise.
725 (ASM_INPUTS): Likewise.
726 (ASM_CLOBBERS): Likewise.
727 (DECL_STMT_DECL): Likewise.
728 (STMT_EXPR_STMT): Likewise.
729 (LABEL_STMT_LABEL): Likewise.
730 (SCOPE_BEGIN_P): Likewise.
731 (SCOPE_END_P): Likewise.
732 (SCOPE_STMT_BLOCK): Likewise.
733 (SCOPE_NULLIFIED_P): Likewise.
734 (SCOPE_NO_CLEANUPS_P): Likewise.
735 (SCOPE_PARTIAL_P): Likewise.
736 (ASM_VOLATILE_P): Likewise.
737 (STMT_LINENO): Likewise.
738 (STMT_LINENO_FOR_FN_P): Likewise.
740 * c-common.def: New file. Added SRCLOC, SIZEOF_EXPR, ARROW_EXPR,
741 ALIGNOF_EXPR, EXPR_STMT, COMPOUND_STMT, DECL_STMT, IF_STMT,
742 FOR_STMT, WHILE_STMT, DO_STMT, RETURN_STMT, BREAK_STMT,
743 CONTINUE_STMT, SWITCH_STMT, GOTO_STMT, LABEL_STMT, ASM_STMT,
744 SCOPE_STMT, CASE_LABEL, STMT_EXPR.
746 * gencheck.c (tree_codes[]): Added '#include "c-common.def"'.
748 2000-06-14 David O'Brien <obrien@FreeBSD.org>
750 * gcc.c (main): Quiet compiler warnings. argv is assumed to be
751 writable in parts of the GCC code.
753 * config/elfos.h (ASM_GENERATE_INTERNAL_LABEL): Make printf
754 specification match cast.
756 Wed Jun 14 09:25:57 2000 Jeffrey A Law (law@cygnus.com)
758 * configure.in: Revert AC_TYPE_GETGROUPS patch from June 13.
759 * configure, config.in: Rebuilt.
760 * sys-protos.h: Similarly.
762 Wed Jun 14 03:39:58 EDT 2000 John Wehle (john@feith.com)
764 * ifcvt.c (EDGE_COMPLEX): Move definition ...
765 * basic-block.h (EDGE_COMPLEX): ... here.
767 * loop.c (check_dbra_loop): Specify the register when
768 generating REG_NONNEG notes and don't generate duplicates.
770 2000-06-13 Jakub Jelinek <jakub@redhat.com>
772 * tree.h (TYPE_USER_ALIGN, DECL_USER_ALIGN): Define.
773 (struct tree_type, struct tree_decl): Add user_align member.
774 * stor-layout.c (layout_decl): Set DECL_USER_ALIGN.
775 (place_union_field): If BIGGEST_FIELD_ALIGNMENT is defined
776 and DECL_USER_ALIGN 0, cap alignment to this value.
777 (place_field): Likewise.
778 (finalize_type_size): Set TYPE_USER_ALIGN.
779 (layout_type): Likewise.
780 (initialize_sizetypes): Likewise.
781 * c-common.c (decl_attributes): Set TYPE_USER_ALIGN resp.
782 DECL_USER_ALIGN to 1.
783 * c-decl.c (duplicate_decls): Set DECL_USER_ALIGN.
784 (xfer_tag): Set TYPE_USER_ALIGN.
785 (finish_struct): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
786 (finish_enum): Likewise.
787 * stmt.c (expand_decl): Set DECL_USER_ALIGN.
788 (expand_anon_union_decl): Likewise.
789 * tree.c (make_node): Set DECL_USER_ALIGN resp. TYPE_USER_ALIGN.
790 (build_index_type): Set TYPE_USER_ALIGN.
791 (build_range_type): Likewise.
792 (build_common_tree_nodes_2): Likewise.
793 * tm.texi (BIGGEST_FIELD_ALIGNMENT): Document the changed meaning.
795 2000-06-13 Andreas Jaeger <aj@suse.de>
797 * configure.in: Use --enable-checking=misc,tree,gc by default if
798 no --enable-checking option is given and for
799 --enable-checking=yes.
800 * configure: Rebuilt.
802 2000-06-13 Richard Henderson <rth@cygnus.com>
804 * libgcc2.c (ia64_throw_helper): Use __builtin_return_address.
805 (__throw): Don't pass the address of a label.
807 * config/ia64/ia64.c (ia64_compute_frame_size): Use
808 current_function_is_leaf.
809 (ia64_expand_prologue): Likewise. Modify return_address_pointer_rtx
810 instead of reg_names[RETURN_ADDRESS_REGNUM].
811 (ia64_init_machine_status): Reset return_address_pointer_rtx.
812 * config/ia64/ia64.h (RETURN_ADDRESS_POINTER_REGNUM): Rename
813 from RETURN_ADDRESS_REGNUM. Update all uses.
814 (RETURN_ADDR_RTX): Use return_address_pointer_rtx; return
815 zero instead of null on failure.
816 (ELIMINABLE_REGS): Add ra->b0 elimination.
817 (CAN_ELIMINATE): Update accordingly.
818 (INITIAL_ELIMINATION_OFFSET): Likewise.
819 (REGISTER_NAMES): Use an illegal assembler name for
820 RETURN_ADDRESS_POINTER_REGNUM.
822 2000-06-13 Richard Henderson <rth@cygnus.com>
824 * config/ia64/ia64.h (enum reg_class): Remove FR_INT_REGS, FR_FP_REGS,
825 GR_AND_FR_INT_REGS, GR_AND_FR_FP_REGS.
826 (REG_CLASS_NAMES): Likewise.
827 (REG_CLASS_CONTENTS): Likewise.
828 (FR_FP_REGNO_P, FR_INT_REGNO_P): Remove.
829 (HARD_REGNO_MODE_OK): Remove references to them.
830 (REGNO_REG_CLASS): Likewise.
831 (REG_CLASS_FROM_LETTER): Likewise.
832 (CLASS_MAX_NREGS): Likewise.
833 (REGISTER_MOVE_COST): Likewise.
834 * config/ia64/ia64.c (ia64_secondary_reload_class): Likewise.
835 * config/ia64/ia64.md (*): Replace "e" constraints with "f".
836 (movqi_internal): Special case moves from zero.
837 (movhi_internal, movsi_internal): Likewise.
838 (movdi_internal): Likewise. Fill out "f" constraints.
839 (movsf_internal): Fill out "r" constraints.
840 (movdf_internal): Likewise.
842 2000-06-13 Richard Henderson <rth@cygnus.com>
844 * flow.c (insn_dead_p): Keep sets to PIC_OFFSET_TABLE_REGNUM
847 * haifa-sched.c (struct deps): Add in_post_call_group_p.
848 (add_dependence): Handle notes between SCHED_GROUP_P insns.
849 (remove_dependence): Always define.
850 (set_sched_group_p): New.
851 (sched_analyze_2): Use it.
852 (sched_analyze_insn): Don't special-case naked uses. Look for
853 and extend in_post_call_group_p.
854 (sched_analyze): Clear stale SCHED_GROUP_P. Set in_post_call_group_p.
855 (init_deps): Clear in_post_call_group_p.
857 2000-06-13 Richard Henderson <rth@cygnus.com>
859 * combine.c (subst): Use CLASS_CANNOT_CHANGE_MODE and
860 CLASS_CANNOT_CHANGE_MODE_P instead of CLASS_CANNOT_CHANGE_SIZE
861 and hard-coded tests.
862 (simplify_set): Likewise.
863 (gen_lowpart_for_combine): Likewise.
864 * emit-rtl.c (gen_lowpart_common): Likewise.
865 * global.c (find_reg): Likewise.
866 * local-alloc.c (find_free_reg): Likewise.
867 * recog.c (register_operand): Likewise.
868 * regclass.c (init_reg_sets_1): Likewise.
869 (record_operand_costs, regclass): Likewise.
870 * reload.c (push_reload): Likewise.
871 * reload1.c (choose_reload_regs): Likewise.
872 * flow.c (mark_used_regs): Conditionally set REG_CHANGES_MODE.
873 * local-alloc.c (struct qty): Rename changes_size to changes_mode.
874 Update all references.
875 * regs.h (struct reg_info_def): Likewise.
876 (REG_CHANGES_MODE): Rename from REG_CHANGES_SIZE.
877 * tm.texi (CLASS_CANNOT_CHANGE_MODE): Document.
878 (CLASS_CANNOT_CHANGE_MODE_P): Likewise.
880 * config/alpha/alpha.h (CLASS_CANNOT_CHANGE_MODE): Rename.
881 (CLASS_CANNOT_CHANGE_MODE_P): New.
882 * config/mips/mips.h: Likewise.
883 * config/pa/pa32-regs.h: Likewise.
884 * config/pa/pa64-regs.h: Likewise.
885 * config/rs6000/rs6000.h: Likewise.
886 * config/sh/sh.h: Likewise.
887 * config/ia64/ia64.h (CLASS_CANNOT_CHANGE_MODE): New.
888 (CLASS_CANNOT_CHANGE_MODE_P): New.
889 * config/avr/avr.h (CLASS_CANNOT_CHANGE_SIZE): Remove dead code.
890 * config/d30v/d30v.h: Likewise.
892 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
894 * configure.in: Add AC_TYPE_GETGROUPS test.
895 * sys-protos.h: Use GETGROUPS_T * for second arg of getgroups.
896 * configure: Rebuilt.
897 * config.in: Rebuilt.
899 2000-06-13 Richard Henderson <rth@cygnus.com>
901 * explow.c (set_mem_attributes): Do nothing for NULL type.
903 Tue Jun 13 14:45:10 2000 Jeffrey A Law (law@cygnus.com)
905 * config/m68k/openbsd.h (ASM_SPEC): pass down options to assembler
908 2000-06-13 James E. Wilson <wilson@cygnus.com>
910 * config/ia64/ia64.md (movxf_internal): Add missing "e" to ldf/stf.
912 Tue Jun 13 14:05:35 2000 Jeffrey A Law (law@cygnus.com)
914 * Makefile.in (gensupport.o): Remove bogus $(HOST_PREFIX) reference.
916 2000-06-13 Philipp Thomas <pthomas@suse.de>
918 * configure.in(ALL_LINGUAS): Changed en_UK to en_GB.
919 * configure: Rebuilt.
921 2000-06-07 David O'Brien <obrien@FreeBSD.org>
923 * configure.in: Adjust FreeBSD bits to match changes to config.guess.
924 We now default to ELF for the i386, and a.out is the special case.
925 * configure: Rebuilt.
927 Tue Jun 13 10:05:30 2000 Hans-Peter Nilsson <hp@axis.com>
929 * final.c (final_scan_insn): Delete notes between cc0 setter and
930 user when restarting from setter.
932 2000-06-13 J. David Anglin <dave@hiauly1.hia.nrc.ca>
934 * vax.h (INDEX_TERM_P): Define evaluation order of &&'s in || and
935 cast to squelch signed/unsigned warnings.
937 2000-06-13 Zack Weinberg <zack@wolery.cumb.org>
939 * cpplib.c (handle_directive): Print non-NUL-terminated string
942 2000-06-12 Michael Meissner <meissner@redhat.com>
944 * ifcvt.c (dead_or_predicable): Don't do conditional execution
945 path if the machine needs extra support to do conditional
948 Mon Jun 12 17:04:17 2000 Jeffrey A Law (law@cygnus.com)
950 * print-rtl.c (print_rtx, case MEM): Use HOST_WIDE_INT_PRINT_DEC
951 to print the alias set.
952 * print-tree.c (print_node, DECL_* nodes and case 't'): Similarly.
954 2000-06-12 J. David Anglin <dave@hiauly1.hia.nrc.ca>
956 * config/float-vax.h: Add GFLOAT defines.
958 Mon Jun 12 9:44:00 2000 Mark Klein <mklein@dis.com>
960 * configure.in: Update tm dependencies for MPE.
961 * configure: Rebuilt.
963 2000-06-12 H.J. Lu <hjl@gnu.org>
965 * gengenrtl.c (obstack_alloc_rtx): Correct the allocated size.
967 2000-06-12 David Edelsohn <edelsohn@gnu.org>
969 * aix41.h (SUBTARGET_SWITCHES): Delete threads.
970 (CPP_SPEC): Change mthreads to pthread.
971 (LIB_SPEC): Likewise.
972 (STARTFILE_SPEC): Likewise.
973 * aix43.h (SUBTARGET_SWITCHES): Delete threads.
974 (CPP_SPEC): Change mthreads to pthread.
975 (LIB_SPEC): Likewise.
976 (STARTFILE_SPEC): Likewise.
977 * rs6000-protos.h (reg_or_arith_cint_operand): New.
978 * rs6000.c (reg_or_arith_cint_operand): New.
979 (num_insns_constant_wide): Decorate unsigned constant.
980 * rs6000.h (PREDICATE_CODES): Add reg_or_arith_cint_operand.
981 * rs6000.md (addsi3): Use new predicate.
982 (subsi3, adddi3, subdi3): Likewise.
984 2000-06-12 Mark Mitchell <mark@codesourcery.com>
986 * c-common.c (lang_get_alias_set): Fix typo.
988 2000-06-12 Richard Earnshaw <rearnsha@arm.com>
990 * flow.c (mark_used_regs): Revert last change.
991 (life_analysis): Remove PROP_AUTOINC if running after reload.
992 (propagate_one_insn): PROP_AUTOINC is always off after reload.
994 2000-06-11 Richard Earnshaw <rearnsha@arm.com>
996 * flow.c (mark_used_regs): Don't call find_auto_inc after reload
999 2000-06-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1001 * bb-reorder.c (build_scope_forest): Initialize variable
1004 * calls.c (expand_call): Likewise for variables
1005 `save_pending_stack_adjust' and `save_stack_pointer_delta'.
1007 * i386.c (function_arg_advance, function_arg): Cast to avoid
1008 signed/unsigned warnings.
1010 * i386.h (MEMORY_MOVE_COST): Likewise.
1012 * ifcvt.c (cond_exec_process_if_block): Initialize variables
1013 `else_start' and `else_end'.
1015 * libgcc2.h (__eh_alloc, __eh_free): Prototype.
1017 * regrename.c (rr_replace_reg): Initialize variable `dest_subregno'.
1019 2000-06-10 Mark Mitchell <mark@codesourcery.com>
1021 * Makefile.in (libintl.a): Depend on intl.all.
1023 2000-06-09 H.J. Lu (hjl@gnu.org)
1025 * Makefile.in (c-parse.o): Also depend on output.h.
1027 2000-06-09 Rodney Brown <RodneyBrown@mynd.com>
1029 * mcore-protos.h: discards const warning removal.
1030 * mcore.c: discards const warning removal.
1032 2000-06-09 Kazu Hirata <kazu@hxi.com>
1034 * config/h8300/lib1funcs.asm: Declare the machine architecture at
1035 the beginning of the file.
1037 2000-06-09 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1039 * real.h: Add prototype for ldexp.
1041 2000-06-09 Zack Weinberg <zack@wolery.cumb.org>
1043 * ggc-none.c, ggc-simple.c, ggc-page.c (ggc_alloc_obj): Rename
1044 it ggc_alloc, drop second argument, never clear returned memory.
1045 * ggc-common.c (ggc_alloc_string): Use ggc_alloc.
1046 (ggc_alloc_cleared): New.
1047 * ggc.h: Prototype ggc_alloc and ggc_alloc_cleared, not
1048 ggc_alloc_obj. Remove ggc_alloc macro.
1049 (ggc_alloc_rtx, ggc_alloc_rtvec, ggc_alloc_tree): Use ggc_alloc.
1051 * rtl.c (rtvec_alloc): Clear the vector always.
1052 (rtx_alloc): Clear the first word always. Remove dirty
1053 obstack tricks (this routine is no longer a bottleneck).
1054 * tree.c (make_node): Clear the new node always.
1055 (make_tree_vec): Likewise.
1056 (tree_cons): Clear the common structure always.
1057 (build1): Likewise; also, clear TREE_COMPLEXITY.
1058 * gengenrtl.c: Use puts wherever possible. Remove extra
1060 (gendef): Clear the first word of an RTX in the generator
1061 function, irrespective of ggc_p. Initialize '0' slots to
1063 (genlegend): Don't generate obstack_alloc_rtx routine, just a
1064 thin wrapper macro around obstack_alloc.
1066 * stmt.c (expand_fixup): Use ggc_alloc.
1067 * c-typeck.c (add_pending_init): Use ggc_alloc.
1068 * emit-rtl.c (init_emit_once): Clear CONST_DOUBLE_CHAIN(tem).
1069 * varasm.c (immed_double_const): Set CONST_DOUBLE_MEM(r) to
1070 const0_rtx when it is created.
1071 (immed_real_const_1): Set CONST_DOUBLE_CHAIN(r) to NULL_RTX if
1072 we are not in a function.
1074 * tree.c (tree_class_check_failed): Make second arg an int.
1075 * tree.h: Update prototype.
1077 2000-06-09 Geoff Keating <geoffk@cygnus.com>
1079 * tree.h (VOID_TYPE_P): Don't look at the TYPE_MAIN_VARIANT
1080 of an error_mark_node.
1082 Fri Jun 9 20:35:13 2000 Denis Chertykov <denisc@overta.ru>
1084 * config/avr/avr.c (asm_output_section_name): bugfix.
1086 2000-06-09 Jason Merrill <jason@casey.soma.redhat.com>
1088 * timevar.def: Add TV_EXPAND.
1089 * timevar.c (timevar_print): Update timing information.
1090 * calls.c (try_to_integrate): Push to TV_INTEGRATION for inlining.
1092 * stmt.c (expand_return): Check for error_mark_node.
1094 2000-06-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1096 * configure.in: Also avoid wrapping auto-build.h with IN_GCC.
1098 * scan-types.sh (VALUE) Wrap use with double quotes to protect
1099 variable against filename expansion when it contains "char *".
1101 * system.h (SSIZE_MAX): Delete backup definition.
1103 * cppfiles.c (read_include_file): Use INTTYPE_MAXIMUM(ssize_t)
1104 instead of SSIZE_MAX.
1106 2000-06-09 Jakub Jelinek <jakub@redhat.com>
1108 * configure.in: Check whether gas supports -relax.
1109 * configure, config.in: Rebuilt.
1110 * config/sparc/sparc.h (ASM_RELAX_SPEC): Define.
1111 (EXTRA_SPECS): Add asm_relax.
1112 (ASM_SPEC): Add %(asm_relax).
1113 (TARGET_SWITCHES): Add -mrelax and -mno-relax.
1114 * config/sparc/linux64.h (LINK_ARCH_SPEC): Rename to LINK_SPEC.
1115 (LINK_SPEC): Pass -relax to linker unless -mno-relax or -r.
1116 (ASM_SPEC): Add %(asm_relax).
1117 * config/sparc/linux.h (LINK_SPEC, ASM_SPEC): Likewise.
1118 * config/sparc/sparc.c (output_sibcall): If HAVE_AS_RELAX_OPTION,
1119 never use sethi/jmpl for leaf tail calls. Use or with rs2 %g0
1120 instead of mov, so that gas can further optimize it.
1122 2000-06-08 James E. Wilson <wilson@bletchleypark.cygnus.com>
1124 * dwarf2out.c (size_of_die, case dw_val_class_const): Use
1126 (value_format, case dw_val_class_const): Use sdata format.
1127 (output_die): Call output_sleb128.
1129 2000-06-08 James E. Wilson <wilson@cygnus.com>
1131 * dwarf2out.c (ASM_OUTPUT_DWARF_DATA8): Add new macro that uses
1132 UNALIGNED_DOUBLE_INT_ASM_OP. Rename old macro to
1133 ASM_OUTPUT_DWARF_CONST_DOUBLE.
1134 (output_die, case dw_val_class_unsigned_const): Correct call to
1135 ASM_OUTPUT_DWARF_DATA8.
1136 (output_die, case dw_val_class_long_long): Use
1137 ASM_OUTPUT_DWARF_CONST_DOUBLE.
1138 * tree.c (host_integerp): Accept unsigned HOST_WIDE_INT values when
1141 * config/ia64/ia64-protos.h (ia64_output_end_prologue): Add.
1142 (output_function_prologue): Fix mispelling.
1143 (output_function_prologue, output_function_epilogue): Reorder to
1144 match ia64.c definition order.
1145 * config/ia64/ia64.c (ia64_expand_prologue): Add comment.
1146 (ia64_expand_epilogue): Set RTX_FRAME_RELATED_P on stack restore insns.
1147 Use r3 instead of r2 for large stack restores.
1148 (ia64_output_end_prologue): New function.
1149 (process_set): Emit ".restore sp" for epilogue stack restores.
1150 * config/ia64/ia64.h (FUNCTION_END_PROLOGUE): Define.
1152 2000-06-08 Jakub Jelinek <jakub@redhat.com>
1154 * dbxout.c (dbxout_type_fields): Don't segfault on fields with
1157 2000-06-08 Nathan Sidwell <nathan@codesourcery.com>
1159 * frame.c (end_fde_sort): Remove extraneous erratic array test.
1161 2000-06-08 Denis Perchine <dyp@perchine.com>
1163 * frame.c (start_fde_sort): Don't malloc (0).
1165 2000-06-07 Zack Weinberg <zack@wolery.cumb.org>
1167 * c-decl.c (pushdecl): Do not call COMPLETE_TYPE_P on
1169 * print-tree.c (print_node): The transparent_union_flag means
1170 different things for unions and arrays. Do not inspect it
1171 with TYPE_TRANSPARENT_UNION.
1173 2000-06-06 Jakub Jelinek <jakub@redhat.com>
1175 * cpplib.c (do_ifdef, do_ifndef): Don't segfault if parse_ifdef
1178 Wed Jun 7 20:34:33 2000 Denis Chertykov <denisc@overta.ru>
1180 * config/avr/avr.c (asm_output_section_name): output section
1182 * config/avr/libgcc.S (.text.libgcc): declare section attributes.
1184 2000-06-06 James E. Wilson <wilson@cygnus.com>
1186 * frame.h (struct unwind_info_ptr): Collapse version, flags, and length
1187 fields into header field.
1188 (IA64_UNW_HDR_LENGTH, IA64_UNW_HDR_FLAGS, IA64_UNW_HDR_VERSION): New
1189 macros to access length, flags, and version info from header field.
1190 * config/ia64/crtbegin.asm (__do_frame_setup_aux): Delete here.
1191 * config/ia64/crtend.asm (__do_frame_setup_aux): Add here.
1192 (__do_global_ctors_aux): Fix caller.
1193 * config/ia64/frame-ia64.c (get_unwind_record): Change parameter
1194 prologue_flag to header. Pass to read_P_record.
1195 (read_P_record): New argument header. Implement P4 format.
1196 Multiply P7_T_SIZE by 16.
1197 (execute_one_ia64_descriptor): New static local region_header. Pass to
1198 get_unwind_record. Copy r to region_header if r is a header record.
1199 (print_all_records): Likewise.
1200 (__build_ia64_frame_state): Use IA64_UNW_HDR_LENGTH.
1201 (__get_personality, __get_except_table): Likewise.
1202 * config/ia64/ia64.c (process_set): Do not divide offsets by 4.
1204 2000-06-06 Philipp Thomas <pthomas@suse.de>
1206 * configure.in (AC_C_INLINE): Added.
1207 * aclocal.m4 (AM_WITH_NLS): Enable --with-included-gettext by default.
1208 * configure: Regenerate.
1210 2000-06-06 Mark Mitchell <mark@codesourcery.com>
1212 * c-common.h (c_language_kind): New type.
1213 (c_language): New variab.e
1214 * c-common.c (lang_get_alias_set): Don't put structures in
1215 non-zero alias sets in C++.
1216 * c-decl.c (c_language): Define it.
1217 * c-lex.c (doing_objc_thang): Remove.
1218 * c-tree.h (doing_objc_thang): Make it a macro.
1219 * objc/objc-act.c (lang_decode_option): Set c_language, not
1222 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
1224 * diagnostic.c (output_maximum_width): Remove.
1225 (doing_line_wrapping): Tweak.
1226 (diagnostic_buffer): New object.
1227 (global_output_buffer): New object.
1228 (output_destroy_prefix): New function.
1229 (default_initialize_buffer): Likewise.
1230 (reshape_diagnostic_buffer): Likewise.
1231 (initialize_diagnostics): Likewise.
1232 (output_clear): Tweak.
1233 (line_wrapper_printf): Adjust call to init_output_buffer.
1234 (vline_wrapper_message_with_location): Likewise. Use
1235 output_destroy_prefix.
1236 (v_message_with_decl): Likewise.
1238 * diagnostic.h (struct output_buffer): Constify prefix.
1239 (init_output_buffer, output_get_prefix): Constify.
1240 (diagnostic_message_length_per_line): Likewise.
1241 (reshape_diagnostic_buffer): Declare.
1242 (default_initialize_buffer): Declare.
1243 (initialize_diagnostics): Declare.
1244 (diagnostic_buffer): Declare new obbject.
1246 * toplev.c: #include diagnostic.h
1247 (display_help): Document diagnostic formatting options.
1248 (decode_f_option): Handle diagnostic formatting options.
1249 (main): Setup initialization for diagnostic messages outputter.
1251 * toplev.h (set_message_length): Remove.
1253 * Makefile.in (toplev.o): Depends upon diagnostic.h
1255 * invoke.texi : Document diagnostics formatting options.
1257 Tue Jun 6 19:25:32 2000 Philippe De Muyter <phdm@macqel.be>
1259 * configure.in (Make the links): Typo fix : the file that must be
1260 included without #ifdef IN_GCC is `auto-host.h', not `auto-config.h'.
1261 * configure: File rebuilt.
1263 2000-06-06 Nathan Sidwell <nathan@codesourcery.com>
1265 * eh-common.h (EH_ALLOC_SIZE, EH_ALLOC_ALIGN): New #defines.
1266 (eh_context): Add alloc_mask and alloc_buffer emergency fallback
1268 * libgcc2.c (__eh_alloc): Moved from cp/exception.cc. Fallback on
1269 emergency eh_context buffer, if malloc fails.
1270 (__eh_free): Moved from cp/exception.cc. Release to emergency
1271 eh_context buffer, if appropriate.
1273 2000-06-06 Jason Merrill <jason@casey.soma.redhat.com>
1275 * expr.c (store_expr): Fix typo.
1277 2000-06-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1279 * m68k.c (legitimize_pic_address): Move prototype ...
1281 * m68k-protos.h (legitimize_pic_address): ... here.
1283 * m68k.md (legitimize_pic_address): Delete prototypes.
1284 (untyped_call): Invoke GEN_CALL(), not gen_call().
1286 * nextstep.c: Include system.h and toplev.h.
1287 (get_directive_line): Don't prototype.
1288 (handle_pragma): Mark parameters with ATTRIBUTE_UNUSED and constify.
1290 * nextstep.h (handle_pragma): Prototype.
1291 (SECTION_FUNCTION): Prototype FUNCTION(). Move prototype of
1292 objc_section_init ...
1293 (EXTRA_SECTION_FUNCTIONS): ... here.
1295 Tue Jun 6 08:17:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1297 * sdbout.c (struct sdb_file): NAME now const.
1298 (sdbout_init): input_file_name now const.
1299 (sdbout_start_new_source_file): FILENAME now const.
1300 * sdbout.c (sdbout_init, sdbout_start_new_source_file): Reflect above.
1302 2000-06-06 Gabriel Dos Reis <gdr@codesourcery.com>
1304 * c-typeck.c (build_conditional_expr): Handle complex data types.
1306 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
1308 * explow.c (maybe_set_unchanging): New function, broken out from...
1309 (set_mem_attributes): Here.
1310 * expr.h: Declare it.
1311 * stmt.c (expand_decl): Call it.
1313 2000-06-05 Richard Henderson <rth@cygnus.com>
1315 * reload1.c (choose_reload_regs): Mind CLASS_CANNOT_CHANGE_SIZE
1316 while looking for a register to inherit from.
1318 2000-06-05 Jason Merrill <jason@casey.soma.redhat.com>
1320 * Makefile.in (libgcc.ready): Lose.
1321 (libgcc.mk): Just use mv, not move-if-change.
1322 (LIBGCC_DEPS): New macro.
1324 (stmp-multilib): Likewise.
1325 * mklibgcc.in (stmp-dirs): New target. Make everything depend on
1326 it rather than the directories themselves.
1327 (LIB2ADD): Depend on the list file rather than 'force'.
1329 * fold-const.c (fold, case COND_EXPR): Elide conversion between
1330 cv-qualified versions of types.
1332 Mon Jun 5 14:06:18 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1334 * config/sparc/sparc.c (short_branch): Correct error in range
1337 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1339 * fixinc/inclhack.def: New include hacks for ultrix.
1340 * (nested_ultrix): Replaced by ultrix_nested_svc.
1341 * (ultrix_atof_param): test_text string added.
1342 * (ultrix_ifdef): Modified select string.
1344 2000-06-05 Zack Weinberg <zack@wolery.cumb.org>
1346 * objc/objc-act.c (generate_method_descriptors): Register
1347 objc_method_prototype_template as a GC root.
1348 (comp_method_with_proto): Register function_type as a GC root.
1349 (comp_proto_with_proto): Replace function_type1 and
1350 function_type2 with a two-element array; register it as a GC root.
1352 (generate_protocols, build_protocol_initializer,
1353 generate_protocol_list, build_category_initializer,
1354 build_shared_structure_initializer): Do not cache cast_type
1357 2000-06-05 J. David Anglin <dave@hiauly1.hia.nrc.ca>
1359 * function.c (assign_parms): Add missing argument to set_mem_attributes
1362 2000-06-05 Nathan Sidwell <nathan@codesourcery.com>
1364 * tree.h (VOID_TYPE_P): New macro.
1365 (COMPLETE_OR_VOID_TYPE_P): Use VOID_TYPE_P.
1366 * c-decl.c (grokdeclarator): Use VOID_TYPE_P.
1367 (get_parm_info): Likewise.
1368 (store_parm_decls): Likewise.
1369 (combine_parm_decls): Likewise.
1370 (finish_function): Likewise.
1371 * c-typeck.c (build_function_call): Likewise.
1372 (build_binary_op): Likewise.
1373 (build_conditional_expr): Likewise.
1374 (internal_build_compound_expr): Likewise.
1375 (convert_for_assignment): Likewise.
1376 * stmt.c (expend_expr_stmt): Likewise.
1377 (warn_if_unused_value): Likewise.
1378 (expand_return): Likewise.
1379 * c-parse.in (primary): Likewise.
1380 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
1381 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
1383 Mon Jun 5 06:46:28 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1385 * alias.c (get_alias_set): If compnent is addressable, use alias
1387 * c-decl.c (init_decl_processing): Don't call record_component_aliases.
1388 (grokdeclarator): Likewise.
1389 * c-typeck.c (common_type): Likewise.
1391 2000-06-04 Alex Samuel <samuel@codesourcery.com>
1393 * Makefile.in (OBJS): Remove dyn_string.o
1394 (dyn-string.o): Delete rule.
1395 * dyn-string.c: Delete file
1396 * dyn-string.h: Likewise.
1398 2000-06-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1400 * Makefile.in (intl.*): Honor non-zero exit codes in the intl
1403 2000-06-03 Geoff Keating <geoffk@cygnus.com>
1405 * alias.c (record_component_aliases): Don't inspect
1406 DECL_NONADDRESSABLE_P of non-FIELD_DECL components of structures.
1408 Sat Jun 3 19:05:30 2000 Michael Meissner <meissner@redhat.com>
1410 * ifcvt.c (process_insns): If IFCVT_MODIFY_INSN is defined, call
1411 it with the pattern to do machine dependent work.
1412 (cond_exec_process_if_block): If IFCVT_MODIFY_TESTS is defined,
1413 use it to modify the true/false tests used in conditional
1414 execution. If IFCVT_MODIFY_FINAL and IFCVT_MODIFY_CANCEL are
1415 defined, invoke them if the conversion to conditional execution
1416 was successful or not.
1418 * tm.texi (IFCVT_MODIFY_TESTS): Document.
1419 (IFCVT_MODIFY_INSN): Ditto.
1420 (IFCVT_MODIFY_FINAL): Ditto.
1421 (IFCVT_MODIFY_CANCEL): Ditto.
1423 Sat Jun 3 15:26:13 2000 Matt Kraai <kraai@alumni.carnegiemellon.edu>
1425 * toplev.c (main): Fix misspellings of possibility and language.
1427 2000-06-03 Richard Henderson <rth@cygnus.com>
1429 * alias.c (record_alias_subset): Initialize has_zero_child in the
1432 2000-06-03 Richard Earnshaw (rearnsha@arm.com)
1434 * arm.md (untyped_call): Use GEN_CALL macro.
1436 2000-06-02 Pekka Nikander <pnr@teldanex.tcm.hut.fi>
1438 * Makefile.in: Use $(MAKE) not "make"
1440 Fri Jun 2 19:31:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1442 * alias.c (struct alias_set_entry): New field has_zero_child.
1443 (mem_in_disjoint_alias_sets_p): Return 0 if set in either ase.
1444 (get_alias_set): If language-dependent routine set TYPE_ALIAS_SET,
1446 Call record_component_aliases for aggregate types.
1447 (record_alias_subset): Set has_zero_child.
1448 (record_component_aliases, case ARRAY_TYPE): Do nothing if
1449 TYPE_NONALIASES_COMPONENT.
1450 (record_component_aliases, case RECORD_TYPE): Test
1451 DECL_NONADDRESSABLE_P.
1452 * c-decl.c (grokdeclarator): Set DECL_NONADDRESSABLE_P instead
1453 of TREE_ADDRESSABLE.
1454 * calls.c (initialize_argument_information): Only test
1455 TYPE_TRANSPARENT_UNION for UNION_TYPE.
1456 * function.c (assign_parms): Likewise.
1457 * integrate.c (function_cannot_inline_p): Likewise.
1458 * stor-layout.c (finish_record_layout): Don't call
1459 record_component_aliases.
1460 * tree.h (struct tree_int_cst): Use struct tree_common.
1461 (struct tree_real_cst, struct tree_string): Likewise.
1462 (struct tree_complex, struct tree_identifier): Likewise.
1463 (struct tree_list, struct tree_vec, struct tree_exp): Likewise.
1464 (struct tree_block, struct tree_type, struct tree_decl): Likewise.
1465 (TYPE_TRANSPARENT_UNION): Use UNION_TYPE_CHECK.
1466 (TYPE_NONALIASES_COMPONENT): New macro.
1467 (TYPE_AMBIENT_BOUNDEDNESS): Use FUNCTION_TYPE_CHECK.
1468 (DECL_NONADDRESSABLE_P): New macro.
1469 (struct tree_decl): Reorder bits for clarity of how many left;
1472 2000-06-02 Jason Merrill <jason@casey.soma.redhat.com>
1474 * Makefile.in (libgcc.a): Also depend on $(LIB2ADD).
1475 * mklibgcc.in (force): New target.
1476 Make LIB2ADD stuff depend on it.
1478 2000-06-02 Richard Henderson <rth@cygnus.com>
1480 * alias.c (lang_get_alias_set): Remove.
1481 (get_alias_set): Call it directly, not indirectly.
1482 * c-common.c (lang_get_alias_set): Rename from c_get_alias_set.
1483 * c-common.h (c_get_alias_set): Don't declare.
1484 * c-decl.c (init_decl_processing): Don't set lang_get_alias_set.
1485 * expr.h (lang_get_alias_set): Declare as function, not pointer.
1487 2000-06-02 Bruce Korb <bkorb@gnu.org>
1489 * fixinc/server.c(sig_handler): resume closing server on SIGPIPE
1490 (server_setup): define the server's master pid
1491 (close_server): actually do the deed IFF we are the server's master
1493 2000-06-02 Jakub Jelinek <jakub@redhat.com>
1495 * c-common.c (c_get_alias_set): Check whether signed_type did not
1496 return its argument before calling get_alias_set on the result.
1498 2000-06-02 Andrew MacLeod <amacleod@cygnus.com>
1500 * expr.c (emit_group_load): Fix typo, GET_MODE not GET_CODE.
1502 Fri Jun 2 00:22:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
1504 * sh.h (CPP_SPEC): Add -D__NOMACSAVE__ for -mnomacsave.
1505 (CONDITIONAL_REGISTER_USAGE): Mac registers are call used
1506 for TARGET_NOMACSAVE.
1507 (NOMACSAVE_BIT): Define.
1508 (TARGET_NOMACSAVE): Define.
1509 (TARGET_SWITCHES): Add "nomacsave".
1511 2000-06-02 Toshiyasu Morita <toshi.morita@sega.com>
1513 * sh.md (untyped_call): Remove excess parameters
1515 2000-06-01 Loren J. Rittle <ljrittle@acm.org>
1517 * fixinc/inclhack.def (osf_namespace_a): Relax expression to
1518 match that used before the conversion to c_fix style.
1519 * fixinc/fixincl.x: regenerate
1521 2000-06-01 Stan Cox <scox@cygnus.com>
1523 * varray.h (VARRAY_PUSH_GENERIC_PTR, VARRAY_PUSH_CHAR_PTR): Fix
1524 macro argument typo.
1526 2000-06-01 Zack Weinberg <zack@wolery.cumb.org>
1528 * cpplex.c (maybe_macroexpand): Use CPP_WTRADITIONAL. Improve
1530 * cpplib.c (parse_include): Remove support for VAX-C
1531 "#include starlet" misfeature.
1533 2000-05-31 Laurynas Biveinis <lauras@softhome.net>
1535 * cppfiles.c: conditionally define O_BINARY.
1536 (open_include_file): pass O_BINARY to open().
1538 2000-06-01 Richard Henderson <rth@cygnus.com>
1540 * i960.c (i960_br_predict_opcode): Remove.
1541 (i960_print_operand) [+]: Emit branch prediction hints.
1542 (i960_function_arg): Return early for VOIDmode.
1543 (i960_round_align): Return early for incomplete types.
1544 * i960.h (PRINT_OPERAND_PUNCT_VALID_P): New.
1545 * i960.md (all conditional branches): Add "%+".
1547 Thu Jun 1 12:24:21 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1549 * alias.c (get_alias_set): Don't call language-specific routine more
1550 than is needed and clean up code a bit.
1551 * c-common.c (c_get_alias_set): All references whose type
1552 is char get alias set 0, but character types need not.
1553 * varasm.c (make_function_rtl): Don't call set_mem_attributes.
1554 (make_decl_rtl): Don't call it for FUNCTION_DECL.
1556 2000-06-01 Bruce Korb <bkorb@gnu.org>
1558 * fixinc/tests/base/...: new base result files
1560 Thu Jun 1 09:37:35 2000 Clinton Popetz <cpopetz@cygnus.com>
1562 * config/i386/i386.c (ix86_use_fcomi_compare): Make global.
1563 * config/i386/i386-protos.h (ix86_use_fcomi_compare): Declare.
1564 * config/i386/i386.md (*fp_jcc_3, *fp_jcc_4): Disable if we
1567 2000-06-01 Richard Henderson <rth@cygnus.com>
1569 * Makefile.in (c-decl.o): Depend on $(EXPR_H), not expr.h.
1571 * c-decl.c (init_decl_processing): Set lang_get_alias_set first thing.
1573 2000-05-31 Richard Henderson <rth@cygnus.com>
1575 * config/ia64/ia64.c (sdata_symbolic_operand): Consider small
1576 CONSTANT_POOL_ADDRESS_P addresses for .sdata.
1577 * config/ia64/sysv4.h (SELECT_RTX_SECTION): New.
1579 2000-05-31 Richard Henderson <rth@cygnus.com>
1581 * config/ia64/ia64-protos.h (ia64_expand_prediction): Remove.
1582 * config/ia64/ia64.c (ia64_expand_prediction): Move code ...
1583 (ia64_print_operand) [+]: ... here. Use current_output_insn.
1584 * config/ia64/ia64.h (PRINT_OPERAND_PUNCT_VALID_P): New.
1585 * config/ia64/ia64.md (all branch/call patterns): Use %+.
1587 2000-05-31 Richard Henderson <rth@cygnus.com>
1589 * ifcvt.c (cond_exec_process_insns): Don't ever ignore clobbers.
1591 2000-05-31 Richard Henderson <rth@cygnus.com>
1593 * ifcvt.c (merge_if_block): Be prepared for JOIN to have no
1595 (find_if_block): Allow THEN with no outgoing edges.
1596 * flow.c (merge_blocks_nomove): Remove a barrier not following
1599 2000-05-31 Richard Henderson <rth@cygnus.com>
1601 * flow.c (propagate_block): Move initialization of mem_set_list ...
1602 (init_propagate_block_info): ... here. Also track blocks with
1603 no successors; don't scan insns if ! PROP_SCAN_DEAD_CODE.
1605 2000-05-31 Richard Henderson <rth@cygnus.com>
1607 * jump.c (jump_optimize_1): Revert 05-18 change.
1609 2000-05-31 Mark Mitchell <mark@codesourcery.com>
1611 * invoke.texi: Remove documentation for -fguiding-decls.
1613 2000-05-31 Richard Henderson <rth@cygnus.com>
1615 * configure.in: Fix typo last change.
1617 2000-05-31 Philipp Thomas <pthomas@suse.de>
1619 * configure.in (enable-nls): Enable if build == host, i.e. when
1620 not building a canadian cross compiler.
1621 (enable-maintainer-mode): Added for use with i18n.
1622 * aclocal.m4 (AM_GNU_GETTEXT): Only build catalogs that are a
1623 cross section of ALL_LINGUAS and LINGUAS.
1624 * configure: Rebuild.
1626 2000-05-31 Bruce Korb <bkorb@gnu.org>
1628 * fixinc/check.tpl: rework to use test result tree
1629 * fixinc/Makefile.in: change invocation of check script
1630 * fixinc/check.diff: No longer needed
1631 * fixinc/fixincl.x: regenerate
1632 * fixinc/inclhack.def: add new tests
1633 * fixinc/tests/base/arch/i960/archI960.h: New test result
1634 * fixinc/tests/base/curses.h: modified test result
1635 * fixinc/tests/base/stdio.h: ditto
1636 * fixinc/tests/base/time.h: ditto
1637 * fixinc/tests/base/sys/asm.h: ditto
1638 * fixinc/tests/base/sys/stat.h: ditto
1639 * fixinc/tests/base/sys/wait.h: ditto
1641 Wed May 31 13:17:20 2000 Philippe De Muyter <phdm@macqel.be>
1643 * except.c (clear_function_eh_region): Do not free NULL.
1645 Wed May 31 08:07:52 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1647 * Makefile.in (c-decl.o): Depend on rtl.h and expr.h.
1648 * alias.c (struct alias_entry): alias_set is HOST_WIDE_INT.
1649 (REG_BASE_VALUE): Remove unneeded cast to unsigned.
1650 (get_alias_set_entry): ALIAS_SET arg is HOST_WIDE_INT.
1651 (find_base_decl): New function, from c_find_base_decl in c-common.c.
1652 (new_alias_set): Moved from tree.c; return is HOST_WIDE_INT.
1653 (get_alias_set): Likewise.
1654 Major rework to do more things and allow language-specific code
1655 to just handle special-cases.
1656 (record_alias_subset): Args are HOST_WIDE_INT.
1657 (record_component_alias): Local vars are HOST_WIDE_INT.
1658 Don't handle COMPLEX_EXPR.
1659 (get_varargs_alias_set): Moved from builtins.c.
1660 (get_frame_alias_set): New function.
1661 * builtins.c (expand_builtin_return_address): Use frame alias set.
1662 (expand_builtin_setjmp, expand_builtin_longjmp): Use alias set
1664 (get_memory_rtx): Rework to use set_mem_attributes.
1665 (get_varargs_alias_set): Deleted from here.
1666 * c-common.c (c_apply_type_quals_to_decl): Alias sets now HOST_WIDE_INT.
1667 (c_find_base_decl): Deleted from here.
1668 (c_get_alias_set): Remove many cases and rework to just handle
1670 * c-common.h (c_get_alias_set): Returns HOST_WIDE_INT.
1671 * c-decl.c (rtl.h, expr.h): Now included.
1672 (init_decl_processing): Call record_component_aliases on array types.
1673 (grokdeclarator): Likewise.
1674 Set TREE_ADDRESSABLE for all fields that are not bitfields.
1675 * c-typeck.c (common_type): Call record_component_aliases for array.
1676 * caller-save.c (setup_save_areas): Rework register loop for unsigned.
1677 Set all save areas to the frame alias set.
1678 * calls.c (initialie_argument_information): Call set_mem_attributes.
1679 (compute_argument_addresses, expand_call): Likewise.
1680 * explow.c (set_mem_attributes): New function.
1681 (stabilize): Use MEM_COPY_ATTRIBUTES and force_reg.
1682 * expr.c (struct move_by_pieces): Remove {to,from}_{struct,readonly}.
1683 LEN and OFFSET now HOST_WIDE_INT.
1684 (clear_by_pieces): Similar changes.
1685 (move_by_pieces): LEN now HOST_WIDE_INT; don't set deleted fields.
1686 (move_by_pieces_ninsns): Now returns unsigned HOST_WIDE_INT.
1687 (move_by_pieces_1): Don't use deleted fields, use MEM_COPY_ATTRIBUTES.
1688 (clear_by_pieces_1): Likewise.
1689 (emit_push_insn): Call set_mem_attributes.
1690 (expand_expr, case INDIRECT_REF): Likewise.
1691 (expand_expr, case VAR_DECL): Call change_address.
1692 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE): Use host_integerp and
1694 (get_varargs_alias_set, get_frame_alias_set): New decls.
1695 (record_base_value, record_alias_subset, lang_get_alias_set): Likewise.
1696 (new_alias_set, set_mem_attributes): Likewse.
1697 * function.c (struct temp_slot): ALIAS_SET is HOST_WIDE_INT.
1698 (assign_stack_temp_for_type): Likewise.
1699 Can split slot even if alias set since can copy.
1700 Set MEM_ALIAS_SET and MEM_SET_IN_STRUCT_P.
1701 (assign_temp): Use host_integerp and tree_low_cst.
1702 (put_var_into_stack): Properly handle SAVE_EXPR.
1703 (put_addressof_into_stack): Likewise.
1704 (assign_parms): Call set_mem_attributes.
1706 (fix_lexical_address): Put reference to chain into frame alias set.
1707 (expand_function_start): Call set_mem_attributes.
1708 * integrate.c (expand_inline_function): Likewise.
1709 * recog.c (adj_offsettable_operand): Use MEM_COPY_ATTRIBUTES.
1710 * regmove.c (try_apply_stack_adjustment): Likewise.
1711 * reload.c (push_reload, make_memloc): Likewise.
1712 * reload1.c (alter_reg): Make alias sets for spilled pseudos.
1713 * rtl.def (MEM): Update comment.
1714 * rtl.h (MEM_ALIAS_SET): Now uses XCWINT.
1715 (move_by_pieces): Change length to HOST_WIDE_INT.
1716 (record_base_value, record_alias_subset): Delete from here.
1717 * stmt.c (expand_decl): Call set_mem_attributes.
1718 * stor-layout.c (finish_record_layout): Call record_component_aliases.i
1719 * toplev.c (compile_file): Call init_alias_once earlier.
1720 * tree.c (lang_get_alias_set, get_alias_set, new_alias_set): Deleted
1721 from here: now in alias.c.
1722 * tree.h (struct tree_type): alias_set is HOST_WIDE_INT.
1723 (struct tree_decl): Likewise.
1724 (get_alias_set, new_alias_set, lang_get_alias_set): Deleted from here.
1725 * varasm.c (make_function_rtl, make_decl_rtl): Call set_mem_attributes.
1726 (output_constant_def, force_const_mem): Likewise.
1728 * flow.c (propagate_block): If block has no successors, stores to
1729 frame are dead if not used.
1731 2000-05-31 Nathan Sidwell <nathan@codesourcery.com>
1733 * stmt (expand_end_case): Reorder conversion sequence for jump
1734 table to avoid extra truncations.
1736 Wed May 31 01:31:42 2000 Jeffrey A Law (law@cygnus.com)
1738 * ifcvt.c (cond_exec_process_if_block): Do nothing if the last insn
1739 in the block is more than just a simple conditional branch.
1740 (noce_process_if_block): Similarly.
1742 Tue May 30 22:25:57 2000 Alexandre Oliva <aoliva@cygnus.com>
1744 * optabs.c (prepare_float_lib_cmp): Protect *px and *py from
1747 2000-05-30 Michael Meissner <meissner@redhat.com>
1749 * dwarf2out.c (dwarf2out_frame_debug_expr): Ignore HIGH
1750 instructions. Treat LO_SUM operations as loading the full integer
1753 2000-05-30 Richard Henderson <rth@cygnus.com>
1755 * combine.c (get_pos_from_mask): Test exact_log2 result as signed.
1757 2000-05-30 Richard Henderson <rth@cygnus.com>
1759 * bb-reorder.c (emit_jump_to_block_after): Protect use of HAVE_return.
1761 2000-05-30 Bruce Korb <bkorb@gnu.org>
1763 * fixinc/tests/*: Added expected result files for fixinc's make check
1764 * fixinc/fixfixes(char_macro_*_fix): Restore original algorithm
1766 2000-05-30 Richard Henderson <rth@cygnus.com>
1768 * config/alpha/alpha.md (*setne_internal): Use match_operator
1769 instead of working down from insn.
1771 2000-05-30 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1773 * invoke.texi (-Wtraditional): Update WRT function macros.
1775 Tue May 30 09:57:32 2000 Philippe De Muyter <phdm@macqel.be>
1777 * except.c (free_exception_table): Do not free NULL.
1779 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
1781 * cpplib.c (do_if): Don't save and restore only_seen_white here.
1782 * cppexp.c (_cpp_parse_expr): Save and restore only_seen_white
1785 2000-05-29 Richard Earnshaw (rearnsha@arm.com)
1787 * flow.c (mark_used_reg): If a register is unconditionally live,
1788 remove any conditional death information.
1790 2000-05-29 Richard Henderson <rth@cygnus.com>
1792 * final.c (current_output_insn): New.
1793 (final_scan_insn): Set it.
1794 * output.h: Declare it.
1796 2000-05-29 Richard Henderson <rth@cygnus.com>
1798 * stor-layout.c (finalize_record_size): Fix typo.
1800 * jump.c (redirect_jump): Don't emit NOTE_INSN_FUNCTION_END
1803 2000-05-29 Zack Weinberg <zack@wolery.cumb.org>
1805 * cpplib.h (cpp_reader): Remove if_stack. Change
1806 potential_control_macro to a cpp_hashnode *. Add skipping flag.
1807 * cpphash.h (struct ihash): Change control_macro to a
1808 cpp_hashnode * and shorten name to cmacro.
1809 Add NEVER_REINCLUDE constant.
1811 * cppfiles.c (redundant_include_p): Drop cpp_reader argument.
1812 Examine the cmacro node directly, no need to call cpp_defined.
1813 (_cpp_execute_include, read_include_file): Set cmacro to
1814 NEVER_REINCLUDE, not U"".
1815 * cpplex.c (cpp_push_buffer): Don't set new->if_stack.
1816 (cpp_get_token): If pfile->skipping is true, discard text and
1817 keep scanning until we hit a directive; don't expand macros.
1819 * cpplib.c (struct if_stack): Remove if_succeeded, add
1820 was_skipping. Change control_macro to a cpp_hashnode * and
1821 shorten name to cmacro. Remove typedef IF_STACK.
1822 (parse_ifdef), detect_if_not_defined): Return a cpp_hashnode *.
1823 (conditional_skip, skip_if_group,
1824 consider_directive_while_skipping): Delete.
1825 (push_conditional): New.
1826 (_cpp_handle_directive): Don't process directives other than
1827 conditionals if we are skipping.
1829 (do_ifdef, do_ifndef, do_if, do_else, do_elif, do_endif):
1830 Update to new scheme.
1831 (validate_else): Skip rest of line here, unconditionally.
1832 (_cpp_unwind_if_stack): The stack is per-buffer. Force
1833 pfile->skipping off.
1835 (all): Remove `scare quotes' from error messages.
1837 2000-05-29 Richard Henderson <rth@cygnus.com>
1839 * function.c (emit_return_into_block): New line_note arg; emit it.
1840 (thread_prologue_and_epilogue_insns): Attempt to locate a line note
1841 for the close brace to accompany HAVE_return. Move all line notes
1842 following the epilogue to before the NOTE_INSN_EPILOGUE_BEG.
1844 2000-05-29 Richard Henderson <rth@cygnus.com>
1846 * longlong.h [__alpha] (count_leading_zeros): New.
1847 (count_trailing_zeros): New.
1848 (COUNT_LEADING_ZEROS_0): New.
1850 * config/alpha/alpha.c (alpha_zero_comparison_operator): New.
1851 (alpha_split_conditional_move): New.
1852 * config/alpha/alpha-protos.h: Prototype them.
1853 * config/alpha/alpha.h (PREDICATE_CODES): Update.
1854 (CPP_CPU_DEFAULT_SPEC): Fix typo for EV67.
1855 * config/alpha/alpha.md: Update ffs cix commentary.
1857 (*nabssf2, *nabsdf2): New.
1858 (*mov[qhsd]icc_internal): Use add_operand.
1859 (if_then_else constant splitters): New.
1860 (*cmp_sadd_di, *cmp_sadd_si, *cmp_sadd_sidi): New.
1861 (*cmp_ssub_di, *cmp_ssub_si, *cmp_ssub_sidi): New.
1863 2000-05-29 Richard Henderson <rth@cygnus.com>
1865 * combine.c (force_to_mode) [MINUS]: Convert subtraction from
1866 a constant to NEG or NOT when conditions allow.
1868 * combine.c (combine_simplify_rtx): Don't create an if_then_else
1869 unless both args are general_operand. Don't canonicalize plus
1870 to ior unless it helps.
1872 * toplev.c (rest_of_compilation): Set no_new_pseudos after flow1;
1873 instead track register_life_up_to_date. Toggle no_new_pseudos
1876 2000-05-28 Geoff Keating <geoffk@cygnus.com>
1878 * config/rs6000/rs6000.c (output_cbranch): Escape '%' characters
1879 so output_operand doesn't see them.
1881 Sun May 28 18:37:07 2000 Clinton Popetz <cpopetz@cygnus.com>
1883 * lcm.c (make_preds_opaque): Fix comment.
1884 (optimize_mode_switching): Use NORMAL_MODE instead of
1885 MODE_USES_IN_EXIT_BLOCK. Change leftover instance of
1886 FP_MODE_NONE to no_mode. Rename MODE_AT_ENTRY to NORMAL_MODE.
1887 Handle insertions before an existing NOTE_INSN_BASIC_BLOCK.
1888 * tm.texi (OPTIMIZE_MODE_SWITCHING): Refer to NORMAL_MODE.
1889 (MODE_USES_IN_EXIT_BLOCK): Delete.
1890 (MODE_AT_ENTRY) Rename to NORMAL_MODE.
1891 * sh.h (MODE_USES_IN_EXIT_BLOCK): Delete.
1892 (MODE_AT_ENTRY): Rename to NORMAL_MODE.
1893 (MODE_NEEDED): Don't look for USE.
1894 (EPILOGUE_USES): Define.
1896 Sun May 28 23:26:59 2000 Philippe De Muyter <phdm@macqel.be>
1898 * mklibgcc.in (all): Variable initialised to `libgcc'.
1900 2000-05-28 Gabriel Dos Reis <gdr@codesourcery.com>
1902 * toplev.h (skip_leading_substring): New macro.
1903 * toplev.c (decode_f_option): Use skip_leading_substring instead
1905 (decode_W_option): Likewise.
1907 2000-05-28 Nick Clifton <nickc@cygnus.com>
1909 * tm.texi (CONDITIONAL_REGISTER_USAGE): Document that it can
1912 2000-05-28 Richard Henderson <rth@cygnus.com>
1914 * regclass.c (record_operand_costs): Protect reg_changes_size
1915 with CLASS_CANNOT_CHANGE_SIZE.
1917 * loop.c (instrument_loop_bct): Set JUMP_LABEL on the new insn.
1919 2000-05-28 Richard Henderson <rth@cygnus.com>
1921 * function.c (diddle_return_value): A pcc-style struct return
1924 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
1926 * cppfiles.c: Read files in, using mmap if possible, then
1927 prescan them separately.
1928 (read_file, read_with_read): New functions.
1929 * cpplex.c: Don't define UCHAR_MAX.
1930 (_cpp_read_and_prescan): Rename to _cpp_prescan. Don't read
1933 * cppinit.c (handle_option): Automatically define __cplusplus,
1934 __OBJC__, __ASEEMBLER__, _LANGUAGE_FORTRAN here when we see
1935 the respective -lang switch.
1937 * cpphash.h (enum node_type, struct hashnode, _cpp_lookup
1938 prototype): Move to...
1939 * cpplib.h: ... here. Rename struct hashnode to struct
1940 cpp_hashnode and give it a typedef. Rename _cpp_lookup to
1941 cpp_lookup. Add 'fe_value' slot, a union tree_node *.
1943 2000-05-27 Geoffrey Keating <geoffk@cygnus.com>
1945 * config/rs6000/rs6000.md (movsi): Constify 'name'.
1947 * regclass.c [CLASS_CANNOT_CHANGE_SIZE]
1948 (class_can_change_size): New variable.
1949 (reg_changes_size): New variable.
1950 (init_reg_sets_1): Initialise class_can_change_size.
1951 (record_operand_costs): Remove subreg_changes_size.
1952 Don't pass it around. Instead update reg_changes_size.
1953 (regclass): Initialise and free reg_changes_size. If a register
1954 changes size, don't preference it to a class that contains
1955 registers that can't change size.
1956 (record_reg_classes): Don't look at subreg_changes_size.
1958 2000-05-27 Richard Henderson <rth@cygnus.com>
1960 * print-rtl.c (reg_names): Remove const.
1961 * regclass.c (reg_names): Likewise.
1962 * regs.h (reg_names): Likewise.
1963 * hard-reg-set.h (reg_names): Likewise.
1965 2000-05-27 Richard Henderson <rth@cygnus.com>
1967 * config/rs6000/rs6000.md (untyped_call): Use GEN_CALL.
1969 2000-05-27 Richard Henderson <rth@cygnus.com>
1971 * config/alpha/alpha.c (alpha_does_function_need_gp): Test
1972 TARGET_PROFILING_NEEDS_GP in the if, instead of with an ifdef.
1973 (alpha_expand_prologue): Emit prologue_mcount if needed.
1974 * config/alpha/alpha.h (TARGET_PROFILING_NEEDS_GP): Default to 0.
1975 * config/alpha/alpha.md (prologue_mcount): New.
1976 * config/alpha/linux.h (FUNCTION_PROFILER): Remove.
1977 (TARGET_PROFILING_NEEDS_GP): Undef before redefining.
1978 * config/alpha/netbsd.h: Likewise.
1980 2000-05-27 Richard Henderson <rth@cygnus.com>
1982 * config/alpha/elf.h (SELECT_SECTION): Mirror Kenner's May 19
1983 change to config/elfos.h.
1985 2000-05-27 Richard Henderson <rth@cygnus.com>
1987 * Makefile.in (resource.o): Depend on except.h.
1988 * except.h (output_exception_table_data): Prototype.
1989 * genconfig.c (gen_peephole2): Prototype.
1990 * genemit.c (main): Include ggc.h.
1991 * genoutput.c: Revert parts of last change: include errors.h
1992 (main): Set progname.
1993 * recog.c: Include hard-reg-set.h before recog.h.
1994 * resource.c: Include except.h.
1996 * config/alpha/alpha-protos.h (alpha_arg_info_reg_val): Protect
1998 (alpha_write_linkage): Protect with BUFSIZ.
1999 (alpha_need_linkage): Update prototype.
2000 * config/alpha/alpha.c (function_arg): Move VMS code here.
2001 (alpha_links_base): Remove.
2003 (mark_alpha_links_node, mark_alpha_links): New.
2004 (alpha_write_one_linkage): New.
2005 (alpha_need_linkage): Use a splay tree. Build the linkage symbol.
2006 (alpha_write_linkage): Use splay_tree_foreach.
2007 * config/alpha/alpha.md (call_vms): Use alpha_need_linkage
2008 to get the linkage symbol.
2009 (call_value_vms): Likewise.
2010 * config/alpha/elf.h (output_file_directive): Remove decl.
2011 (ctors_section, dtors_section): Prototype.
2012 (sbss_section, sdata_section): Prototype.
2013 * config/alpha/vms.h (FUNCTION_ARG): Remove.
2014 (readonly_section, link_section, literals_section): Prototype.
2015 (ctors_section, dtors_section): Prototype.
2016 (vms_valid_decl_attribute_p): Remove decl.
2017 (alpha_arg_type, alpha_arg_info_reg_val): Likewise.
2019 2000-05-27 Geoff Keating <geoffk@cygnus.com>
2021 * reload.c (get_secondary_mem): Don't widen floating-point modes.
2023 * combine.c (subst): Honour CLASS_CANNOT_CHANGE_SIZE when
2024 substituting the REG in a (subreg:X (reg:Y ...)).
2026 2000-05-28 Neil Booth <NeilB@earthling.net>
2028 * cpplex.c (_cpp_lex_line): Merge vertical space. Flag
2029 first token of a line BOL. Update EOF code for this.
2030 Remove illegal directive check - it appears in the (not
2031 yet committed) caller.
2032 * cpplib.h (BOL): New flag.
2034 2000-05-28 Neil Booth <NeilB@earthling.net>
2036 * cpplex.c (_cpp_init_toklist): No comment space to initialise.
2037 (_cpp_free_toklist): No comment space to free.
2038 (expand_comment_space): Remove.
2039 (save_comment_space): Place the comment in the current token and
2040 not in a separate comment space.
2041 (_cpp_lex_line): Save comments during plain code and #define
2043 * cpplib.h (struct _cpp_toklist): Remove comment space.
2045 2000-05-28 Neil Booth <NeilB@earthling.net>
2047 * cppexp.c (parse_assertion): Supply extra argument to
2049 * cpplib.c (do_assert, do_unassert): Similarly.
2050 * cpphash.h (_cpp_init_toklist) Update.
2051 (_cpp_expand_token_space): New.
2052 (DUMMY_TOKEN, NO_DUMMY_TOKEN): New.
2053 * cpplex.c (_cpp_init_toklist): New argument.
2054 (parse_string2): New argument multiline_ok.
2055 (spell_token): Take a const cpp_token *.
2056 (INIT_NAME): Replace with INIT_TOKEN_NAME. Update tokens_used.
2057 (SPELL_ macros): Replace with enum.
2058 (expand_token_space): Replace with _cpp_expand_token_space.
2059 Take COUNT argument.
2060 (IS_DIRECTIVE): Update.
2061 (_cpp_lex_line): Update token structure before parsing number.
2062 Don't assume start at beginning of token list.
2063 (save_comment): Use INIT_TOKEN_NAME.
2065 2000-05-27 Zack Weinberg <zack@wolery.cumb.org>
2067 * configure.in (stage1_warn_cflags): Add -Wstrict-prototypes
2068 -Wmissing-prototypes.
2069 * configure: Regenerate.
2070 * gcc.texi: Remove explanation of MD_CALL_PROTOTYPES.
2072 * builtins.c, calls.c: Change all instances of gen_call_* or
2073 gen_sibcall_* to GEN_CALL_* and GEN_SIBCALL_*.
2074 * calls.c (struct_value_size_rtx): Separate definition from
2075 initialization to avoid unused variable warning.
2077 * genflags.c (gen_macro): New function.
2078 (gen_proto): Call it for gen_call_* and gen_sibcall_*.
2079 (gen_nonproto): Delete.
2080 (gen_insn): Put all insns on the same obstack.
2081 (main): Generate prototypes for everything unconditionally.
2083 * configure.in: Add AC_CHECK_TYPE(ssize_t). Remove commented
2084 out check for wchar_t.
2085 * acconfig.h: Add template for ssize_t. Remove @TOP@.
2086 * system.h: Add infrastructure for defining missing
2087 TYPE_MAX/TYPE_MIN macros. Use it to provide fallback
2088 definitions of UCHAR_MAX and SSIZE_MAX.
2089 * configure: Regenerate.
2090 * config.in: Regenerate.
2092 * Makefile.in (libgcc2.ready): Rename to libgcc.ready.
2093 Depend on $(LANGUAGES) as well as $(GCC_PATCHES) and fixed
2095 (clean): No need to delete libgcc1.a, libgcc1-asm.a,
2096 libgcc2.a, or libgcc1.null.
2098 2000-05-27 Richard Henderson <rth@cygnus.com>
2100 * Makefile.in (recog.o): Don't depend on resource.h.
2101 * recog.c: Don't include resource.h.
2102 (recog_last_allowed_insn): Remove.
2103 (recog_next_insn): Remove.
2104 (struct peep2_insn_data): New.
2105 (peep2_insn_data, peep2_current): New.
2106 (peep2_next_insn): New.
2107 (peep2_regno_dead_p, peep2_reg_dead_p): New.
2108 (peep2_find_free_register): New.
2109 (peephole2_optimize): Track life information by insn as we go.
2110 * recog.h: Update declarations.
2111 * resource.c (find_free_register, reg_dead_p): Remove.
2112 * resource.h: Remove their declarations.
2113 * toplev.c: Include hard-reg-set.h before recog.h.
2115 * genconfig.c (max_insns_per_peep2): New.
2116 (gen_peephole2): New.
2118 * genemit.c (output_peephole2_scratches): Generate calls to
2119 peep2_find_free_register; adjust surrounding code.
2120 (main): Have insn-emit.c include hard-reg-set.h before recog.h.
2121 * genrecog.c (change_state): Don't track last_insn.
2122 (write_action): Write into *_pmatch_len before accepting.
2123 (write_tree): Adjust peephole2_insns and subroutines to match.
2125 * config/i386/i386.md (all peepholes): Use peep2_regno_dead_p.
2127 * config/alpha/alpha.c (hard_fp_register_operand): Mind the mode.
2128 (hard_int_register_operand): New.
2129 * config/alpha/alpha-protos.h: Declare it.
2130 * config/alpha/alpha.h (PREDICATE_CODES): Update.
2131 * config/alpha/alpha.md (peep2 patterns): Use hard_int_register_operand
2132 as needed; use peep2_reg_dead_p instead of dead_or_set_p.
2134 2000-05-27 Richard Henderson <rth@cygnus.com>
2136 * function.c (thread_prologue_epilogue_insns): Don't move the
2137 line note at the head of the chain. Only force a lineno note
2138 before the end of block 0.
2140 2000-05-27 Richard Henderson <rth@cygnus.com>
2142 * gensupport.c (collect_insn_data): Record the maximum number
2143 of alternatives, not the last seen.
2145 * genoutput.c: Don't include errors.h.
2146 (struct data): Add lineno member.
2148 (scan_operands): Use message_with_line instead of error.
2149 (validate_insn_alternatives): Likewise.
2150 (gen_insn): Accept and store the pattern's line number.
2151 (gen_peephole, gen_expand, gen_split): Likewise.
2152 (main): Don't set progname. Pass line_no to gen_foo.
2154 2000-05-27 Richard Henderson <rth@cygnus.com>
2156 * config/d30v/d30v.c (d30v_print_operand): Handle ':'.
2157 * config/d30v/d30v.h (PRINT_OPERAND_PUNCT_VALID_P): Accept ':'.
2158 * config/d30v/d30v.md (attr predicable): New.
2159 (all insn patterns): Mark non-predicable patterns; use %: on the rest.
2160 (andsi3*): Unify into one pattern.
2161 (iorsi3*, xorsi3*): Likewise.
2162 (peephole2 patterns): Use peep2_reg_dead_p; verify not a
2164 (old cond_exec patterns): Remove.
2165 (define_cond_exec): New.
2167 Sat May 27 11:01:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2169 * tree.h (TREE_CODE_LENGTH): New macro.
2170 * c-common.c (c_find_base_decl): Use it.
2171 * expr.c (safe_from_p): Likewise.
2172 * print-tree.c (print_node): Likewise.
2173 * tree.c (make_node, copy_node, get_identifier): Likewie.
2174 (first_rtl_op, contains_placeholder_p, substitute_in_expr): Likewise.
2175 (build, build_nt, build_parse_node, simple_cst_equal): Likewise.
2176 * fold-const.c (make_range): Likewise.
2177 (fold): Likewise; also use first_rtl_op.
2178 * c-iterate.c (collect_iterators): Use first_rtl_op.
2179 * calls.c (calls_function_1): Likewise; also rename TYPE to CLASS.
2180 Use IS_EXPR_CODE_CLASS.
2181 (preexpand_calls): Likewise.
2182 * ggc-common.c (ggc_mark_trees): Rework to use first_rtl_op
2183 and TREE_CODE_LENGTH.
2184 * stmt.c (warn_if_unused_value): If no operands, no unused value.
2186 2000-05-26 Geoffrey Keating <geoffk@cygnus.com>
2188 * config/rs6000/rs6000.md (movsi_internal1): Use '%a1' rather
2190 (movdi_internal64): Likewise.
2192 * config/rs6000/rs6000.md: Correct order of operands for DImode
2195 * config/rs6000/rs6000.c (boolean_or_operator): New function.
2196 * config/rs6000/rs6000-protos.h (boolean_or_operator): Prototype it.
2197 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_or_operator.
2198 * config/rs6000/rs6000.md: Use boolean_or_operator instead of
2199 boolean_operator for the boolean patterns without NOTs.
2201 * config/rs6000/rs6000.c (reg_or_logical_cint_operand): Rename
2202 from reg_or_u_cint_operand. Change comment and behaviour.
2203 (logical_operand): Clean up, add assertion.
2204 (non_logical_cint_operand): Also check for
2205 reg_or_logical_cint_operand.
2206 * config/rs6000/rs6000.h (PREDICATE_CODES): Update.
2207 * config/rs6000/rs6000.md (iorsi3): Use reg_or_logical_cint_operand
2213 2000-05-26 Mark Mitchell <mark@codesourcery.com>
2215 * tree.h (struct record_layout_info): Rename to (struct
2216 record_layout_info_s).
2217 * stor-layout.c (start_record_layout): Replace
2218 `record_layout_info' with `record_layout_info_s'.
2220 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
2222 * flow.c (find_label_refs): New function.
2223 (find_basic_blocks_1): Call it for each alternative of a call
2226 2000-05-26 Richard Earnshaw <rearnsha@arm.com>
2228 * ifcvt.c (cond_exec_get_condition): Set test_if to the SET_SRC
2231 2000-05-25 Richard Henderson <rth@cygnus.com>
2233 * config/alpha/alpha.c (alpha_comparison_operator): Don't be
2234 so strict about DImode.
2235 (alpha_swapped_comparison_operator): Likewise.
2236 * config/alpha/alpha.md (*setne_internal): Name it. Allow
2237 any integer output mode.
2238 (*setcc_internal): Likewise.
2239 (*setcc_swapped_internal): Likewise.
2240 (*movdicc_internal, *movdicc_lbc, *movdicc_lbs): Name them.
2241 (*mov[qhs]icc_internal): New.
2242 (*mov[qhs]icc_lbc, *mov[qhs]icc_lbs): New.
2244 2000-05-25 J. David Anglin <dave@hiauly1.hia.nrc.ca>
2246 * vax.h (CPP_SPEC): Define __GFLOAT and GFLOAT when -mg is specified.
2248 2000-05-25 Richard Henderson <rth@cygnus.com>
2250 * bb-reorder.c (reorder_block_def): Reorder elements for size.
2251 Remove add_jump; add next; replace flags with visited.
2253 (REORDER_BLOCK_HEAD, REORDER_BLOCK_VISITED): Remove.
2254 (REORDER_BLOCK_FLAGS, REORDER_BLOCK_INDEX): Remove.
2255 (REORDER_BLOCK_ADD_JUMP, REORDER_BLOCK_EFF_HEAD): Remove.
2256 (REORDER_BLOCK_EFF_END, REORDER_BLOCK_SCOPE): Remove.
2258 (reorder_index, reorder_last_visited): Remove.
2259 (skip_insns_after_block): Rewrite to use a switch.
2260 (get_common_dest): Remove.
2261 (chain_reorder_blocks): Remove.
2262 (record_effective_endpoints): Split out from reorder_basic_blocks.
2263 (make_reorder_chain): Likewise. Loop until all blocks are placed.
2264 (make_reorder_chain_1): Renamed from old make_reorder_chain.
2265 Only construct the reorder chain, do not move insns. Try harder
2267 (label_for_bb, emit_jump_to_block_after): New.
2268 (fixup_reorder_chain): Use them. Do bulk block movement. Examine
2269 and adjust the jump insns appropriately. Fixup basic_block_info.
2270 (verify_insn_chain): Always define.
2271 (relate_bbs_with_scopes): Call xmalloc, not xcalloc. Fix thinko
2273 (make_new_scope): Don't write zeros to calloc'd space.
2274 (build_scope_forest): Rely on xrealloc to DTRT.
2275 (reorder_basic_blocks): Don't build loop nest. Don't fail if
2276 profile_arc_flag. Streamline EH test.
2278 * flow.c (redirect_edge_succ, redirect_edge_pred): New.
2279 * basic-block.h: Declare them.
2281 2000-05-25 Alexandre Oliva <aoliva@cygnus.com>
2283 * emit-rtl.c (reset_used_decls): New function.
2284 (unshare_all_rtl_again): Call it.
2286 2000-05-25 Zack Weinberg <zack@wolery.cumb.org>
2288 * cpplex.c (maybe_macroexpand): Warn about function-like
2289 macros used in non-function context, if -Wtraditional.
2291 2000-05-25 Mark Mitchell <mark@codesourcery.com>
2293 * recog.c (peephole2_optimize): Use INSN_P.
2295 2000-05-25 Richard Henderson <rth@cygnus.com>
2297 * ifcvt.c (seq_contains_jump): New.
2298 (noce_try_store_flag_constants): Use it to fail conversion.
2299 (noce_try_store_flag_inc, noce_try_store_flag_mask): Likewise.
2301 2000-05-25 Mark Mitchell <mark@codesourcery.com>
2303 * except.h (can_throw): Declare it.
2304 * except.c (can_throw): Give it external linkage.
2305 * resource.c (find_dead_or_set_registers): Use can_throw.
2307 2000-05-25 Richard Henderson <rth@cygnus.com>
2309 * flow.c (mark_set_1): Don't record conditionally dead memory.
2311 2000-05-25 Jan Hubicka <jh@suse.cz>
2313 * combine.c (try_combine): Use any_condjump_p, any_uncondjump_p
2314 and pc_set at the place of simplejump_p and condjump_p.
2315 * cse.c (record_jump_equiv): Likewise.
2316 * emit-rtl.c (emit): Likewise.
2317 * explow.c (find_next_ref): Likewise.
2318 * flow.c (tidy_fallthru_edge): Likewise.
2319 (init_propagate_block_info): Likewise.
2320 * gcse.c (delete_null_pointer_checks): Likewise.
2321 * ifcvt.c (cond_exec_get_condition, noce_get_condition,
2322 dead_or_predicable): Likewise.
2323 * integrate.c (copy_insn_list): Likewise.
2324 * loop.c (scan_loop, verify_dominator, find_and_verify_loops,
2325 for_each_insn_in_loop, check_dbra_loop, get_condition,
2326 insert_bct, load_mems): Likewise.
2327 * resource.c (find_dead_or_set_registers): Likewise.
2328 * sibcalls.c (simplejump_p): Likewise.
2329 * unroll.c (copy_loop_body, reg_dead_after_loop): Likewise.
2331 2000-05-25 David Edelsohn <edelsohn@gnu.org>
2333 * rs6000.c (expand_block_move): Add 64-bit PowerPC doubleword move
2334 to STRING case. Use doubleword STRING move for TARGET_POWERPC64
2336 * rs6000.h (CONST_OK_FOR_LETTER_P, 'J'): unsigned HOST_WIDE_INT.
2337 (RETURN_ADDR_RTX): Use COUNT and FRAME, not count and frame.
2338 (LEGITIMIZE_RELOAD_ADDRESS): unsigned HOST_WIDE_INT high.
2339 * rs6000.md: Name various internal patterns.
2341 2000-05-25 Jan Hubicka <jh@suse.cz>
2343 * jump.c (invert_exp_1): Remove first argument, use pc_set
2344 to get the expression.
2345 (redirect_exp): Make static; redirect only the pc_set expression,
2346 remove first argument.
2347 (invert_exp): Remove first argument, make static.
2348 (jump_optimize): Use any_condjump_p, any_uncondjump_p and
2349 any_onlyjump at most places where we originaly did condjump_p
2351 (jump_back_p, follow_jumps, thread_jumps): Likewise.
2352 (delete_barrier_succesors): Use pc_set.
2353 (invert_jump_1, invert_jump, redirect_jump_1, redirect_jump): Update
2354 calls of invert_exp and redirect_exp.
2355 * rtl.h (redirect_exp, invert_exp): Remove.
2356 * unroll.c (copy_loop_body): Use invert_jump and redirect_jump.
2358 2000-05-25 Richard Henderson <rth@cygnus.com>
2360 * stmt.c (expand_end_bindings): Fix thinko last change.
2362 2000-05-25 Andrew MacLeod <amacleod@cygnus.com>
2363 Andrew Haley <aph@cygnus.com>
2365 * except.c (func_eh_entry): Add emitted field.
2366 (new_eh_region_entry): Set emitted field to 0;
2367 (output_exception_table_entry): Only emit previously un-emitted data,
2368 and send it to the eh_data section.
2369 (output_exception_table): Break out common parts. Output
2370 exception table for entire compilation unit to eh_data section.
2371 (output_exception_table_data): Common parts of output_exception_table.
2372 Send output to eh_data section.
2373 (output_function_exception_table): Output exception table data for
2374 a single function to eh_data section.
2375 (free_exception_table): New external to free the table.
2376 * except.h (free_exception_table): Add prototype.
2377 (output_function_exception_table): Add prototype.
2378 * final.c (final_end_function): Output function exception table
2379 for IA64_UNWIND_INFO.
2380 (final_scan_insn): Emit any unwind directives for an insn.
2382 * frame-dwarf2.c: New file containing all DWARF 2 specific code
2384 * frame.c: Remove all DWARF 2 specific code.
2385 * config/ia64/frame-ia64.c: New file.
2386 (gthread_stuff): Make all gthread available with
2388 (dwarf_fde): Define an IA64 struct for dwarf_fde.
2389 (__register_frame_info, __register_frame): Move to common area of file.
2390 (__register_frame_info_table, __register_frame_table): Move to common i
2392 (__deregister_frame_info, __deregister_frame): Move to common area.
2393 (__frame_init, find_fde): New versions for IA64_UNWIND_INFO.
2394 (read_uleb128): New version for ia64.
2395 (get_unwind_record): Read the next IA-64 unwind record.
2396 (read_R_record): Read a region header record.
2397 (process_a_b_reg_code): X record helper.
2398 (read_X_record): Read an X format record.
2399 (read_B_record): Read a B format record.
2400 (P3_record_types): List of record types matching the P3 format.
2401 (P7_record_types): List of record types matching the P7 format.
2402 (P8_record_types): List of record types matching the P8 format.
2403 (read_P_record): Read a P format record.
2404 (init_ia64_reg_loc): Set default fields for a register.
2405 (init_ia64_unwind_frame): Set defaults for all register records.
2406 (execute_one_ia64_descriptor): Execute one descriptor record.
2407 (rse_address_add): Calculate the position of a local reg in memory.
2408 (normalize_reg_loc): Turn a location descriptor into a memory address.
2409 (maybe_normalize_reg_loc): Only normalize a descriptor if it falls
2410 within a specified PC offset range.
2411 (get_real_reg_value): Given a register location, retrieve its value.
2412 (set_real_reg_value): Change the value of a register location.
2413 (copy_reg_value): Copy reg values, if needed.
2414 (copy_saved_reg_state): Copy all registers that need to be copied.
2415 (process_state_between): Normalize all frame register records that
2416 fall within the specified PC range.
2417 (frame_translate): Take a processed frame description, and turn
2418 everything into addresses.
2419 (build_ia64_frame_state ): Find and create frame state record for a PC.
2420 (get_personality): Get the personality routine for a given frame.
2421 (get_except_table): Get the exception table for a given frame.
2422 (record_name): Unwind record names for debugging.
2423 (print_record): Print and unwind record.
2424 (print_all_records): Print an entire unwind image.
2425 (__ia64_backtrace): Print a backtrace.
2426 (ia64_backtrace_helper): New function.
2427 (__register_frame_info_aux): New function.
2428 * config/ia64/crtend.asm (__do_frame_setup_aux): New function.
2430 * frame.h (enum unw_record_type): New unwind record types.
2431 (struct unw_p_record, unw_b_record, unw_x_record) : New unwind records.
2432 (struct unw_r_record, unwind_record): New unwind record structs.
2433 (struct unwind_info_ptr): Unwind information layout.
2434 (IA64_UNW_LOC_TYPE_*): Macros for different types for location
2436 (struct ia64_reg_loc): Register location description.
2437 (struct ia64_frame_state): Location of all registers in a frame.
2438 (struct object): Add pc_base and fde_end for IA64_UNWIND_INFO.
2439 * libgcc2.c (__ia64_personality_v1): Personality routine.
2440 (__calc_caller_bsp): Calculate the bsp register for the caller's
2442 (ia64_throw_helper): Figure out who to return to and set up the
2444 (__throw): Throw routine.
2446 * output.h (assemble_eh_align, assemble_eh_label): New functions
2447 to generate EH info where we want it.
2448 (assemble_eh_integer): New function.
2449 * toplev.c (compile_file): Output module level exception table for
2451 (main): Set exceptions_via_longjump and flag_new_exceptions based
2452 on IA64_UNWIND_INFO too.
2454 * varasm.c (assemble_eh_label): Generate a label via
2455 ASM_OUTPUT_EH_LABEL if it has been specified.
2456 (assemble_eh_align): Generate an alignment directive via
2457 ASM_OUTPUT_EH_ALIGN if it has been specified.
2458 (assemble_eh_label): Generate an integer value via
2459 ASM_OUTPUT_EH_type if they have been specified.
2460 * config/ia64/ia64.c (rtx_needs_barrier): Add flushrs.
2461 (ia64_init_builtins): Add __builtin_ia64_bsp
2462 and __builtin_ia64_flushrs.
2463 (ia64_expand_builtin): Add IA64_BUILTIN_BSP and
2464 IA64_BUILTIN_FLUSHRS.
2465 * config/ia64/ia64.h (ia64_builtins): Add IA64_BUILTIN_BSP and
2466 IA64_BUILTIN_FLUSHRS.
2468 * config/ia64/ia64.md (flushrs): New insn to flush the register
2469 stack. Add to unspec list.
2471 * config/ia64/crtbegin.asm (frame_object): Change size.
2472 (__do_frame_setup_aux): New function.
2473 * config/ia64/crtend.asm: call __do_frame_setup_aux.
2474 * config/ia64/t-ia64 (LIB2ADDEH): Add.
2475 * Makefile.in (LIB2ADDEH): Add.
2476 (LIB2ADD): Use LIB2ADDEH.
2478 2000-05-24 Richard Henderson <rth@cygnus.com>
2480 * recog.c (offsettable_address_p): If mode size is zero, assume
2483 2000-05-24 J. David Anglin <dave@hiauly.hia.nrc.ca>
2485 * configure.in: Check for -Wno-long-long option support and improve
2486 handling of warning CFLAGS for stages 1 and 2.
2487 * Makefile.in (WARN_CFLAGS): Move definition to configure.in.
2488 * configure: Regenerate.
2490 Wed May 24 19:37:53 2000 Jeffrey A Law (law@cygnus.com)
2492 * gcc.texi: Remove contributor list. Instead include contrib.texi.
2493 * contrib.texi: New file.
2495 Thu May 25 02:27:22 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2497 * loop.c (basic_induction_var): Avoid double recording of an increment.
2499 Thu May 25 02:19:27 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2501 * Back out this patch:
2502 Tue Dec 7 19:22:06 1999 Richard Henderson <rth@cygnus.com>
2503 * loop.h (struct induction): Add multi_insn_incr.
2504 * loop.c (basic_induction_var): New multi_insn_incr argument.
2505 Set it if we search back through previous insns for the biv.
2506 (record_biv): New multi_insn_incr argument; fill in struct induction.
2507 (strength_reduce): Discard an iv with multiple bivs, any of
2508 which require multiple insns to increment.
2510 * loop.c (check_insn_for_bivs): Remove bits copied from above patch.
2512 Thu May 25 02:09:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2514 * rtl.h (loc_mentioned_in_p): Declare.
2515 * reload.c (loc_mentioned_in_p): Moved from here...
2516 * rtlanal.c (loc_mentioned_in_p): to here. No longer static.
2517 Fix loop increment for 'E' handling.
2518 * loop.c (strength_reduce): When doing biv->giv conversion,
2519 take multi-insn biv increments into account.
2521 2000-05-24 Jason Merrill <jason@casey.soma.redhat.com>
2523 * stmt.c (expand_end_bindings): Look through NOTEs to find a
2526 2000-05-24 Mark Mitchell <mark@codesourcery.com>
2528 * calls.c (expand_call): Handle cleanups in tail-recursion
2529 arguments analagously to cleanups in sibling calls.
2531 2000-05-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2533 * simplify-rtx.c: Rename macro SIGN_EXTEND to HWI_SIGN_EXTEND.
2534 All callers changed.
2536 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
2538 * expr.c (expand_assignment, store_expr, expand_expr,
2539 expand_expr_unaligned): Set in_check_memory_usage while emitting
2540 chkr_check_addr libcall.
2542 2000-05-24 Nick Clifton <nickc@cygnus.com>
2544 * fold-const.c (extract_muldiv): When constructing a
2545 multiplier/divisor, do not expect const_binop to correctly
2546 determine if overflow has occured, so check explicitly.
2548 2000-05-24 Alexandre Oliva <aoliva@cygnus.com>
2550 * c-decl.c (build_enumerator): Don't modify the value's type,
2553 2000-05-24 Andreas Jaeger <aj@suse.de>
2555 * mips.h (LINKER_ENDIAN_SPEC): Pass -EL to linker by default.
2557 2000-05-24 Eric Christopher <echristo@cygnus.com>
2559 * configure.in: Redefine inhibit_libc conditions.
2560 * libgcc2.c: Remove inhibit_libc conditional define.
2561 * configure: Regenerate.
2563 2000-05-24 Phil Edwards <pme@sourceware.cygnus.com>
2565 * configure.in: For --enable-languages=LIST, check for empty LIST.
2566 * configure: Regenerate.
2568 2000-05-24 Lars Brinkhoff <lars@nocrew.org>
2570 * pdp11.h (STACK_BOUNDARY): Define.
2572 2000-05-24 Jakub Jelinek <jakub@redhat.com>
2574 * ifcvt.c (if_convert): Update life info globally.
2576 2000-05-24 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
2578 * emit-rtl.c (unshare_all_decls): New function.
2579 (unshare_all_rtl): Call it.
2581 2000-05-23 Nick Clifton <nickc@cygnus.com>
2583 * configure.in: Treat 'strongarm' as if it were 'arm' when
2584 determining cpu type.
2586 * configure: Regenerate.
2588 * config/arm/arm.c: Change 'char *' to 'const char *' for cases
2589 where constant strings are involved.
2591 * config/arm/arm.h (arm_condition_codes): Change type to 'const
2594 * config/arm/arm-protos.h: Change 'char *' to 'const char *' for
2595 cases where constant strings are involved.
2597 Tue May 23 15:08:31 2000 Clinton Popetz <cpopetz@cygnus.com>
2599 * config/sh/sh.c (gen_far_branch, split_branches): Update
2600 to reflect new prototypes for redirect_jump and invert_jump.
2601 (sh_insn_length_adjustment): Get rid of const warnings.
2603 2000-05-23 Kazu Hirata <kazu@hxi.com>
2605 * invoke.texi (Options for Debugging Your Program or GCC): Update
2606 the names of dump files.
2608 Tue May 23 13:58:52 2000 Philippe De Muyter <phdm@macqel.be>
2610 * configure.in (NO_MINUS_C_MINUS_O): Fix thinko in previous fix.
2611 * configure: Regenerated.
2613 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
2615 * simplify-rtx.c (SIGN_EXTEND): New macro.
2616 (simplify_unary_operation, simplify_binary_operation,
2617 simplify_relational_operation): Use SIGN_EXTEND. Make low
2618 halves of (low, high) pairs unsigned if they weren't already.
2619 (simplify_ternary_operation): Cast INTVAL to unsigned before
2620 comparing to a MODE_BITSIZE.
2622 2000-05-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2624 * aclocal.m4 (gcc_AC_CHECK_DECL, gcc_AC_CHECK_DECLS): New macros
2625 rewritten from the internals of gcc_AC_NEED_DECLARATION{S}.
2627 * configure.in (gcc_AC_CHECK_DECLS): Call this instead of
2628 gcc_AC_NEED_DECLARATIONS.
2630 * dwarfout.c: Don't prototype time().
2632 * gcc.c: Check HAVE_DECL_* instead of NEED_DECLARATION_*.
2634 * system.h: Likewise.
2636 * toplev.c: Likewise.
2638 2000-05-23 Zack Weinberg <zack@wolery.cumb.org>
2640 * c-decl.c (pushdecl): Invert sense of test for non-global types.
2642 Tue May 23 18:11:42 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
2644 * reload1.c (reload_cse_move2add): Honor TRULY_NOOP_TRUNCATION.
2646 2000-05-23 Jonathan Larmour <jlarmour@redhat.co.uk>
2648 * config/mips/elf64.h (CTOR_LISTS_DEFINED_EXTERNALLY): Define
2650 Tue May 23 06:50:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2652 * config/alpha/alpha.c: Remove #ifdef HAIFA since now only scheduler.
2653 (alpha_start_function): Never write ..ng label if VMS or NT.
2654 (alpha_align_insns): Remove GP_IN_USE arg.
2655 Alignment now unsigned.
2656 (alpha_reorg): Don't pass GP_IN_USE arg to alpha_align_insns.
2657 * config/alpha/alpha.md (prologue_ldgp): Split into one define_expand
2658 and two define_insn's.
2660 2000-05-22 Richard Henderson <rth@cygnus.com>
2662 * combine.c (simplify_comparison): Use trunc_int_for_mode.
2664 2000-05-22 Richard Henderson <rth@cygnus.com>
2666 * stor-layout.c (place_field): Change rli->size to rli->offset.
2668 2000-05-22 Richard Henderson <rth@cygnus.com>
2670 * function.c (thread_prologue_and_epilogue_insns): Make sure
2671 existing line number notes appear after the prologue.
2673 Mon May 22 21:49:00 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2675 * config/alpha/alpha.c (alpha_fnname): New static variable.
2676 (print_operand, case '~'): New case.
2677 (alpha_expand_prologue): Emit prologue_ldgp insn if needed.
2678 (alpha_start_function): Set alpha_fnname.
2679 Write "ng" label if no ldgp; don't write ldgp insn.
2680 * config/alpha/alpha.h (PRINT_OPERAND_PUNCT_VALID_P): New case '~'.
2681 * config/alpha/alpha.md (prologue_ldgp): New define_insn.
2683 Mon May 22 11:30:48 2000 Clinton Popetz <cpopetz@cygnus.com>
2685 * jump.c (jump_optimize_1): Don't increment LABEL_NUSES
2688 2000-05-22 Zack Weinberg <zack@wolery.cumb.org>
2690 * varasm.c (eh_frame_section): Revert change to argument list.
2692 Mon May 22 13:14:03 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2694 * optabs.c (can_extend_p): Allow unsignedp to have any nonzero value.
2695 (gen_extend_insn, can_fix_p, can_float_p): Likewise.
2697 * final.c (final_scan_insn, case NOTE_INSN_FUNCTION_BEG): Remove
2698 dangling "else" that causes "break" to be conditional.
2699 Also remove unneeded code at start.
2701 Mon May 22 17:31:35 2000 Philippe De Muyter <phdm@macqel.be>
2703 * m68k/m68k.h (STORE_FLAG_VALUE): Macro set to (-1), not -1.
2704 * fx80/fx80.h, i370/i370.h, m88k/m88k.h (STORE_FLAG_VALUE): Ditto.
2705 * gmicro/gmicro.h, we32k/we32k.h (STORE_FLAG_VALUE): Ditto.
2707 2000-05-22 Jakub Jelinek <jakub@redhat.com>
2709 * config/sparc/sparc.md (movdf_insn_v9only_vis): fzero has
2712 Mon May 22 06:57:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2714 * alias.c (record_component_aliases): New function.
2715 * tree.h: Clean up some declarations and comments.
2716 (record_component_aliases): New declaration.
2717 * tree.c (get_alias_set): If type and has alias set, use it.
2719 2000-05-22 Richard Henderson <rth@cygnus.com>
2721 * simplify-rtx.c (simplify_ternary_operation): Try to simplify
2722 IF_THEN_ELSE to a setcc form.
2723 * jump.c (can_reverse_comparison_p): Be prepared for insn null.
2725 2000-05-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2727 * fixinc/inclhack.def (sun_malloc): Handle `calloc'.
2728 (sun_malloc, sysz_stdtypes_for_sun): Add test_text.
2730 Sun May 21 16:42:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2732 * combine.c (try_combine): Handle i3_subst_into_i2 case when I2 is
2735 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
2737 * config/mn10300/mn10300.md (movdi, movdf): 64-bit clean-up.
2738 * config/mn10300/mn10300.c (print_operand): Likewise.
2740 * final.c (split_double): Right shift of negative values is not
2743 * ifcvt.c (if_convert): Scan and kill dead code.
2745 * emit-rtl.c (unshare_all_rtl): Store the copied rtx.
2747 2000-05-20 Zack Weinberg <zack@wolery.cumb.org>
2749 * diagnostic.c: Eliminate implicit int.
2750 * except.c, gcc.c: Add static prototypes.
2751 * final.c (final_end_function): Mark file arg ATTRIBUTE_UNUSED.
2752 * gensupport.c (process_rtx): Use XVEC to initialize vector
2755 * print-rtl.c: If DEBUG_REGISTER_NAMES, define static
2756 debug_reg_names instead of static reg_names. If not, define
2758 * regclass.c: Don't define global reg_names unless
2759 DEBUG_REGISTER_NAMES is defined.
2761 * reload1.c (order_regs_for_reload): Remove unused variable.
2762 * varasm.c: Include output.h after defaults.h. Define
2763 eh_frame_section as function of no args, not of unspecified args.
2765 * gcc.c: Constify argbuf; arguments to store_arg,
2766 process_command, main; elements of struct command and struct
2767 switchstr; local variables in execute, process_command, main.
2769 2000-05-20 Bruce Korb <bkorb@gnu.org>
2771 * fixinc/inclhack.def: many applications of c_fix=format + tests
2772 * fixinc/check.diff: regenerated
2773 * fixinc/fixincl.x: regenerated
2775 Sat May 20 09:30:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2777 * alias.c: Clarify some comments.
2778 (record_base_value): REGNO is unsigned.
2779 * rtl.h (record_base_value): Likewise.
2781 * alias.c (aliases_everything_p): Don't special-case QImode here.
2782 * c-common.c (c_get_alias_set): Do it here.
2783 Handle BIT_FIELD_REF by getting alias info for arg.
2786 2000-05-20 Alexandre Oliva <aoliva@cygnus.com>
2788 * mklibgcc.in: Restore rule to create ${dir}.
2790 Sat May 20 08:45:41 2000 H.J. Lu <hjl@gnu.org>
2792 * Makefile.in (libgcc.mk): Depend on xgcc$(exeext) for
2793 GCC_FOR_TARGET used by MULTILIBS.
2794 * mklibgcc.in: Make sure each .o file depends on the
2795 directory it will be in.
2796 Make the multilib directory depends libgcc.
2798 Sat May 20 08:29:28 2000 H.J. Lu <hjl@gnu.org>
2800 * Makefile.in (bootstrap): Unset LANG_LIB2FUNCS for stage 1.
2802 Sat May 20 07:27:35 2000 Alexandre Oliva <aoliva@cygnus.com>
2804 * fold-const.c (make_range): Handle degenerated intervals.
2805 Fixes c-torture/execute/991221-1.c
2807 Fri May 19 18:16:31 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2809 * cse.c (cse_basic_block): Only call find_reg_note if REG_NOTES not 0.
2810 * reload.c (find_equiv_reg): Likewise.
2811 * alias.c (init_alias_analysis): Likewise.
2812 Only call prologue_epilogue_contains on insns.
2813 * basic-block.h (REG_SET_TO_HARD_REG_SET): Call new function.
2814 * bb-reorder.c (hard-reg-set.h): Include earlier.
2815 * haifa-sched.c (hard-reg-set.h): Likewise.
2816 * ifcvt.c (hard-reg-set.h): Likewise.
2817 * local-alloc.c (hard-reg-set.h): Likewise.
2818 * loop.c (hard-reg-set.h): Likewise.
2819 * predict.c (hard-reg-set.h): Likewise.
2820 * regrename.c (hard-reg-set.h): Likewise.
2821 * flow.c (hard-reg-set.h): Likewise.
2822 (reg_set_to_hard_reg_set): New function.
2823 * bitmap.c (regs.h, basic-block.h): No longer include.
2824 (bitmap.h): Now include.
2825 * conflict.c (hard-reg-set.h): Include.
2826 * profile.c (hard-reg-set.h): Likewise.
2827 * print-rtl.c (hard-reg-set.h): Likewise.
2828 * sbitmap.c (hard-reg-set.h): Likewise.
2829 * toplev.c (hard-reg-set.h): Likewise.
2830 * unroll.c (hard-reg-set.h, basic-block.h): Likewise.
2831 * hard-reg-set.h (reg_names): Now constant.
2832 * regs.h (reg_names): Likewise.
2833 * regclass.c (reg_names): Likewise.
2834 * loop.h (basic-block.h): No longer include.
2835 (bitmap.h): Now include.
2836 * reload1.c (order_regs_for_reload): Avoid loop over reg sets.
2837 * Makefile.in (LOOP_H, sbitmap.o, profile.o): Reflect above changes.
2838 (toplev.o, print-rtl.o, conflict.o, unroll.o, bitmap.o): Likewise.
2840 2000-05-19 Jan Hubicka <jh@suse.cz>
2841 Richard Henderson <rth@cygnus.com>
2843 * basic-block.h (struct edge_def): New field "count".
2844 (struct basic_block_def): Likewise.
2845 * flow.c (entry_exit_blocks): Add count fileds.
2846 (split_edge): Keep count information up-to-date.
2847 (dump_edge_info, dump_flow_info): Dump count fields.
2849 * final.c (count_instrumented_edges): Rename to edge from arc.
2850 (end_final): Update users.
2851 * profile.c: Include expr.h, basic-block.h.
2852 (struct adj_list, ARC_TARGET, ARC_SOURCE, ARC_COUNT): Kill.
2853 (struct bb_info, label_to_bb, label_to_bb_size, bb_graph): Kill.
2854 (ignore_next_note, return_label_execution_count): Kill.
2855 (bbg_file_name, da_file_name): Kill.
2856 (edge_info, bb_info): New structures.
2857 (EDGE_INFO, BB_INFO, GCOV_INDEX_TO_BB, BB_TO_GCOV_INDEX): New macros.
2858 (count_instrumented_edges, total_num_edges): Rename to edge from arc.
2859 (total_num_edges_instrumented): Likewise.
2860 (init_arc, expand_spanning_tree): Kill.
2861 (fill_spanning_tree, tablejump_entry_p): Kill.
2862 (instrument_edges): Rewrite from instrument_arcs to use
2863 commit_edge_insertions infrastructure.
2864 (compute_branch_probabilities): Remove arguments; rewrite for
2865 CFG infrastructure; use rtl_dump_file directly.
2866 (branch_prob, find_spanning_tree): Likewise.
2867 (union_groups, find_group): New.
2868 (init_branch_prob): Make bbg_file_name and da_file_name local.
2869 (end_branch_prob): Use rtl_dump_file directly.
2870 (init_edge_profiler): Rename to edge from arc.
2871 (output_arc_profiler): Kill.
2872 (gen_edge_profiler): New.
2873 (output_func_start_profiler): Turn off profiling. Make the
2874 constructor static when we can.
2875 * rtl.h (branch_prob, end_branch_prob): Update prototypes.
2877 * toplev.c (DFI_flow): Remove.
2878 (DFI_cfg, DFI_life): New.
2879 (dump_file): Update accordingly.
2880 (compile_file): Call end_branch_prob if profile_arc_flag too.
2881 (rest_of_compilation): Move flow1 cfg creation to DFI_cfg. Do edge
2882 profiling after the CFG is built. Move flow1 life analysis to
2883 DFI_life. Always estimate remaining probabilities.
2885 2000-05-19 Richard Henderson <rth@cygnus.com>
2887 * ifcvt.c (find_if_case_2): Don't allow THEN to be EXIT.
2889 * flow.c (make_edges): The sibling call edge to exit is abnormal.
2891 2000-05-19 Richard Henderson <rth@cygnus.com>
2893 * jump.c (redirect_jump): Add delete_unused argument. Don't
2894 remove labels and code following when LABEL_NUSES goes to zero.
2895 (invert_jump): Likewise.
2896 (jump_optimize_1): Fix redirect/invert arguments.
2897 (do_cross_jump, thread_jumps): Likewise.
2898 * flow.c (split_edge): Likewise.
2899 * reorg.c (optimize_skip): Likewise.
2900 (reorg_redirect_jump, relax_delay_slots, dbr_schedule): Likewise.
2901 * profile.c (instrument_arcs): Likewise.
2902 * loop.c (find_and_verify_loops): Likewise. Fix indentation.
2903 * rtl.h: Update prototypes.
2905 Fri May 19 12:05:13 2000 Clinton Popetz <cpopetz@cygnus.com>
2907 * ssa.c (convert_from_ssa): Tell life_analysis we need death
2909 (make_regs_equivalent_over_bad_edges): Only look at abnormal
2912 2000-05-19 Zack Weinberg <zack@wolery.cumb.org>
2914 * cpphash.c (funlike_macroexpand): Make sure not to walk p1
2915 past l1 when deleting whitespace and markers.
2917 * cpplex.c (_cpp_scan_until): Clear AUX field of tokens.
2918 * cpplib.c (do_unassert): Put the list to compare against on
2921 2000-05-19 Bruce Korb <bkorb@gnu.org>
2923 * fixinc/README: cleaned up old documentation
2924 * fixinc/check.diff: regenerated & verified on OSR5 on ix86
2925 * fixinc/check.tpl: compute the list of needed directories
2926 emit "#if defined(name)" because of conflict
2927 omit machine name differences from output differences
2928 * fixinc/inclhack.def( m88k_multi_incl ): Use `wrap' function
2929 (machine_name): change test text to use `sed' markers
2930 * fixinc/fixincl.x: regen
2932 Fri May 19 06:49:35 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2934 * config/elfos.h (SELECT_SECTION): Don't access DECL_INITIAL of
2937 2000-05-18 Chris Demetriou <cgd@sibyte.com>
2939 * gcc.texi (MULTILIB_EXCEPTIONS): Correct example and update
2940 it to match the current practice.
2942 2000-05-18 Mark Mitchell <mark@codesourcery.com>
2944 * Makefile.in (STAGESTUFF): Fix typo in spelling of s-under.
2946 2000-05-18 Richard Henderson <rth@cygnus.com>
2948 * rtlanal.c (insn_dependant_p, insn_dependant_p_1): New.
2949 * rtl.h (insn_dependant_p): Declare it.
2950 * loop.c (strength_reduce): Use it.
2952 2000-05-18 Alexandre Oliva <aoliva@cygnus.com>
2954 * config/mn10300/mn10300.c (expand_prologue, expand_epilogue):
2955 16-bit and 64-bit clean-up.
2957 2000-05-18 Mark Elbrecht <snowball3@bigfoot.com>
2959 * configure.in (*-pc-msdosdjgpp): Set float_format to none.
2960 * configure: Rebuilt.
2962 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
2964 * genopinit.c: Use $ for escape sequences in optab patterns.
2965 Remove backslashes from optab patterns. Change $A, $B, $C to
2966 expand to (int) whatever instead of just whatever; remove
2967 explicit (int) from all optab patterns.
2969 * gensupport.c (xmalloc, xrealloc, xstrdup): Provide.
2970 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c,
2971 genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c,
2972 genrecog.c: Remove private copies of xmalloc, xrealloc, and
2975 2000-05-18 Richard Henderson <rth@cygnus.com>
2977 * jump.c (jump_optimize_1): Base minimum insn count during
2978 find_cross_jump on BRANCH_COST.
2980 2000-05-18 Jakub Jelinek <jakub@redhat.com>
2982 * print-rtl.c (print_rtx): Only print note line number as string
2983 if between NOTE_INSN_BIAS and NOTE_INSN_MAX.
2984 * final.c (final_scan_insn): Do nothing for note line number 0.
2986 2000-05-18 Jakub Jelinek <jakub@redhat.com>
2988 * gcc-common.c (ggc_mark_rtx_children): Mark NOTE_EXPECTED_VALUE
2989 from NOTE_INSN_EXPECTED_VALUE notes and NOTE_SOURCE_FILE from
2990 NOTE_INSN_DELETED_LABEL.
2992 2000-05-18 Nick Clifton <nickc@cygnus.com>
2994 * config/arm/unknown-elf.h (UNIQUE_SECTION): Place constant,
2995 uninitialised data in .rodata not .bss, and do not interpret an
2996 error in the initialisation value as meaning that the variable
2997 should be placed in the .bss section.
2999 Thu May 18 12:10:18 2000 Philippe De Muyter <phdm@macqel.be>
3001 * configure.in (NO_MINUS_C_MINUS_O): Test `$ac_cv_prog_cc_${ac_cc}_c_o',
3002 not `$ac_cv_prog_cc_cc_c_o'.
3003 * configure: Regenerated.
3005 2000-05-18 Chris Demetriou <cgd@sibyte.com>
3006 Richard Henderson <rth@cygnus.com>
3008 * c-common.h (enum c_tree_index): Add g77 type entries.
3009 (g77_integer_type_node, g77_uinteger_type_node): New.
3010 (g77_longint_type_node, g77_ulongint_type_node): New.
3011 * c-decl.c (init_decl_processing): Initialize them.
3013 2000-05-18 Richard Henderson <rth@cygnus.com>
3015 * config/h8300/h8300.md (subs patterns): Use %G to negate.
3017 * config/h8300/h8300.c (ok_for_bclr): Take a HOST_WIDE_INT.
3018 (small_power_of_two): Likewise; use exact_log2.
3019 (adds_subs_operand, one_insn_adds_subs_operand): Remove.
3020 (output_adds_subs): Remove.
3021 (two_insn_adds_subs_operand): New.
3022 (split_adds_subs): New.
3023 * config/h8300/h8300-protos.h: Update.
3024 * config/h8300/h8300.h (CONST_OK_FOR_J): Cast to uns HOST_WIDE_INT.
3025 (CONST_OK_FOR_L): Match strict adds operands.
3026 (CONST_OK_FOR_N): Match struct subs operands.
3027 * config/h8300/h8300.md (adds_subs insns): Remove.
3028 (addhi patterns): Output adds/subs directly.
3029 (addsi_h8300h): Likewise.
3030 (addhi/addsi splitters): New. Decompose two_insn_adds_subs_operand.
3032 2000-05-18 Zack Weinberg <zack@wolery.cumb.org>
3034 * cppexp.c (parse_assertion): New.
3035 (lex): Call it for CPP_HASH. Remove CPP_ASSERTION case.
3036 (_cpp_parse_expr): Remove case '#'. Don't set
3037 parsing_if_directive.
3038 * cpphash.c (collect_objlike_expansion,
3039 collect_funlike_expansion, collect_params,
3040 _cpp_create_definition): The list no longer has a trailing
3042 * cpphash.h (enum node_type): Add T_ASSERTION.
3043 (struct hashnode): Remove aschain, add pred.
3044 (struct predicate): New.
3047 * cpplex.c (expand_token_space): Handle both offset and
3049 (init_token_list, _cpp_free_token_list, _cpp_parse_assertion): Delete.
3050 (_cpp_init_toklist, _cpp_clear_toklist, _cpp_free_toklist,
3051 _cpp_slice_toklist, _cpp_squeeze_toklist, _cpp_equiv_tokens,
3052 _cpp_equiv_toklists): New.
3053 (_cpp_scan_line): Rename to _cpp_scan_until; add ability to
3054 stop at any single-character token, not just newline.
3055 (_cpp_lex_token): Remove special cases for #define and #if.
3056 (cpp_get_token): Expect # as a separate token type. Remove
3058 (_cpp_get_directive_token): Remove DIRECTIVE case.
3059 (_cpp_lex_line, _cpp_lex_file, _cpp_init_input_buffer): Update.
3061 * cpplib.c (_cpp_check_directive): Set dirno and
3062 SYNTAX_INCLUDE bit of flags, not dir_handler and dir_flags.
3063 (_cpp_handle_directive): Run # <number> through the same logic
3064 as normal directives.
3065 (do_define): Don't set parsing_define_directive. Use
3066 _cpp_scan_until. The list does not have a VSPACE at the end.
3067 (do_if): Save, clear, and restore only_seen_white around
3069 (skip_if_group): s/CPP_DIRECTIVE/CPP_HASH/
3070 (do_assert, do_unassert): Rewrite.
3072 * cpplib.h (TTYPE_TABLE): Remove CPP_ASSERTION.
3073 (LIST_OFFSET): New flag.
3074 (struct cpp_toklist): Replace dir_handler and dir_flags with
3076 (struct cpp_reader): Remove parsing_if_directive and
3077 parsing_define_directive.
3079 2000-05-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3081 * fixinc/inclhack.def (broken_cabs): Update fix to handle comments
3082 following the cabs decl which terminate on the following line.
3083 Add the corresponding test_text case.
3085 2000-05-18 Neil Booth <NeilB@earthling.net>
3087 * cppinit.c (cpp_reader_init): Initialise col_adjust and
3088 default tab stop size.
3089 (no_num, OPT_ftabstop): New.
3090 (handle_option): Handle "ftabstop=" command-line option.
3091 (print_help): Document it.
3092 * cpplex.c (COLUMN): Remove.
3093 (handle_newline): Reset col_adjust.
3094 (skip_whitespace): Update col_adjust as tabs encountered.
3095 (_cpp_lex_line): Update to use col_adjust. Call
3096 skip_whitespace for all whitespace.
3097 * cpplib.h (struct cpp_options): New member tabstop.
3098 (struct cpp_reader): New member col_adjust.
3099 (CPP_BUF_COL): Update.
3100 (CPP_BUF_COLUMN): New.
3101 * cpp.texi: Document "-ftabstop=" command line option.
3103 Wed May 17 18:19:41 2000 Philippe De Muyter <phdm@macqel.be>
3105 * configure.in (NO_MINUS_C_MINUS_O): Macro made availabe for AC_OUTPUT
3107 * configure: Rebuilt.
3109 Wed May 17 18:06:12 2000 John David Anglin <dave@hiauly1.hia.nrc.ca>
3111 * mklibgcc.in Add missing -DL$name when compiling modules in libgcc1.c.
3113 * tree.c (build_common_tree_nodes): Do not build TI nodes unless
3114 HOST_BITS_PER_WIDE_INT is >= 64.
3116 2000-05-17 Richard Henderson <rth@cygnus.com>
3118 * jump.c (jump_optimize_1): Remove inactive but real insns
3119 in jump-to-next-insn optimization.
3121 2000-05-17 Richard Henderson <rth@cygnus.com>
3123 * toplev.c (rest_of_compilation): Don't call optimize_mode_switching
3124 unless OPTIMIZE_MODE_SWITCHING. Conditionally set no_new_pseudos.
3125 Don't call recompute_reg_usage if no_new_pseudos is true.
3126 * lcm.c (optimize_mode_switching): Move ifdefs outside function.
3127 Return true if we did work; update global life information.
3128 * basic-block.h (optimize_mode_switching): Update decl.
3130 2000-05-17 Neil Booth <neilb@earthling.net>
3132 * cpplex.c (expand_name_space): Don't use ptrdiff_t.
3134 2000-05-17 Zack Weinberg <zack@wolery.cumb.org>
3136 * cpplib.c: New feature, #pragma system_header.
3137 * cpp.texi: Document special treatment of system headers, and
3138 the various mechanisms to get a header that special treatment.
3140 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3142 * system.h (offsetof): Define at the very end, to ensure we prefer
3143 the platform's definition if available.
3145 2000-05-16 Bruce Korb <bkorb@gnu.org>
3147 * fixinc/fixincl.c: improve the debug displays, ignore SIGPIPE
3148 * fixinc/server.c: likewise
3149 * fixinc/fixfixes.c( char_macro_def_fix ): fix regex
3150 + #ifdef debugging code + use #def constant for
3152 * fixinc/inclhack.def( hpux11_fabsf ): Keep HP-UX 11 from stomping
3153 on C++ math namespace
3155 2000-05-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3157 * fixinc/fixfixes.c (char_macro_use_fix, char_macro_def_fix):
3158 Don't check the return value of sprintf. Use asprintf to avoid
3161 Wed May 17 17:27:44 2000 Andrew Cagney <cagney@b1.cygnus.com>
3163 * flags.h (warn_unused_function, warn_unused_label,
3164 warn_unused_parameter, warn_unused_variable, warn_unused_value):
3165 Replace ``warn_unused''.
3166 (set_Wunused): Add declaration.
3167 * toplev.c (set_Wunused): New function.
3168 (warn_unused_function, warn_unused_label, warn_unused_parameter,
3169 warn_unused_variable, warn_unused_value): New variables.
3170 (W_options): Add -Wunused-function, -Wunused-function,
3171 -Wunused-label, -Wunused-parameter, -Wunused-variable and
3172 -Wunused-value. Delete -Wunused. Handled in decode_W_option.
3174 * toplev.c (decode_W_option): Update -Wunused flags by calling
3176 * c-decl.c (c_decode_option): Ditto for -Wall.
3178 * stmt.c (expand_expr_stmt, expand_expr_stmt,
3179 warn_about_unused_variables): Replace warn_unused with more
3180 explicit warn_unused_value et.al.
3181 * function.c (expand_function_end): Ditto.
3182 * c-typeck.c (internal_build_compound_expr,
3183 internal_build_compound_expr): Ditto.
3184 * c-decl.c (poplevel, pop_label_level): Ditto.
3185 * toplev.c (check_global_declarations): Replace warn_unused with
3186 check for either warn_unused_function or warn_unused_variable.
3188 * gcc.1, invoke.texi (Warning Options): Document
3189 -Wunused-function, -Wunused-function, -Wunused-label,
3190 -Wunused-parameter, -Wunused-variable and -Wunused-value options.
3192 Wed May 17 10:28:12 2000 Philippe De Muyter <phdm@macqel.be>
3194 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Find libgcc1.c in
3195 $(srcdir), not in the current directory.
3197 2000-05-16 Richard Henderson <rth@cygnus.com>
3199 * config/ia64/crtbegin.asm (__dso_handle): Mark hidden if the
3200 assembler supports it.
3201 (.fini, .init): Use a gp-relative indirect call.
3202 (__do_global_dtors_aux): Preserve the gp; rebundle.
3203 (__do_frame_setup): Likewise.
3204 * config/ia64/crtend.asm (.IA_64.unwind): Don't terminate with -1.
3205 (.init): Use a gp-relative indirect call.
3206 (__do_global_ctors_aux): Preserve the gp.
3208 2000-05-16 Richard Henderson <rth@cygnus.com>
3210 * flow.c (commit_one_edge_insertion): Be prepared for a return
3211 insn to be inserted on the edge with a normal jump.
3212 * jump.c (jump_optimize_1): Don't look to create return isns.
3214 * flow.c (flow_delete_insn): Don't adjust reference count of notes.
3215 * jump.c (jump_optimize_1): Likewise.
3216 (returnjump_p): Verify the argument is a JUMP_INSN.
3217 * rtl.def (NOTE): Add 5th element for NOTE_INSN_DELETED_LABEL.
3219 2000-05-16 Nick Clifton <nickc@cygnus.com>
3221 * config/m32r/m32r.c (small_insn_p): Use INSN_P() to replace
3222 GET_RTX_CLASS (GET_CODE ()) == 'i'.
3223 (large_insn_p): Ditto.
3224 (m32r_is_insn): New function: Return true if the insn contains
3225 an executable instruction.
3226 (m32r_adjust_insn): Use m32r_is_insn.
3227 (m32r_sched_reorder): Use m32r_is_insn.
3228 (m32r_sched_variable_issue): Use m32r_is_insn.
3230 2000-05-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3232 * rs6000/rs6000.c (rs6000_select_section): Treat CONSTRUCTOR like
3235 * rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Delete unused variable.
3237 * rs6000/sysv4.h (CPP_OS_LINUX_SPEC): Define __unix and __linux
3238 according to given options.
3240 Tue May 16 12:17:31 2000 Jeffrey A Law (law@cygnus.com)
3242 * mn10200.h (PREFERRED_RELOAD_CLASS): Do not prefer DATA_REGS
3243 if X has VOIDmode either.
3244 (LIMIT_RELOAD_CLASS): Similarly.
3246 * mn10200.md (indirect_jump, tablejump): Use "register_operand",
3247 not "general_operand" to match the processor's capabilities.
3249 2000-05-16 Bruce Korb <bkorb@gnu.org>
3251 * fixinc/README: corrected return address
3252 * fixinc/check.diff: regenerate, now that test works
3253 * fixinc/fixfixes.c(format_fix,format_write): reformatted
3254 (char_macro_def_fix,char_macro_use_fix): corrected and
3255 rewrote to use regex to parse the text
3256 * fixinc/inclhack.def: more testing
3257 * fixinc/fixincl.x: regenerated
3259 * fixinc/inclhack.def: added several "test_text" attributes
3260 changed several fixes to use `c_fix = format'
3261 re-alphabetized the fixes
3263 * fixinc/check.diff: regenerate
3264 * fixinc/fixincl.x: regenerate
3265 * fixinc/check.tpl: added `sparc' and `netinet' to the list
3269 2000-05-16 Alexandre Oliva <aoliva@cygnus.com>
3271 * config/mn10300/mn10300.h (ASM_OUTPUT_DWARF2_ADDR_CONST): Remove.
3273 2000-05-15 Richard Henderson <rth@cygnus.com>
3275 * toplev.c (rest_of_compilation): Run full jump pass before
3276 find_basic_blocks of flow2.
3278 2000-05-15 Richard Henderson <rth@cygnus.com>
3280 * jump.c: Fix typos and clarify commentary from last change.
3281 (any_condjump_p): Verify SET_SRC is an IF_THEN_ELSE.
3282 (safe_to_remove_jump_p): Remove.
3283 (condjump_label): Use pc_set.
3285 2000-05-15 Richard Henderson <rth@cygnus.com>
3287 * ifcvt.c (cond_exec_process_insns): Drop USE and CLOBBER insns
3288 that get in the way after reload.
3289 (cond_exec_process_if_block): Skip a label heading THEN block.
3291 2000-05-15 Richard Henderson <rth@cygnus.com>
3293 * varasm.c (output_constant_pool): Abort instead of converting
3294 (improperly) deleted labels to zero.
3296 2000-05-16 Neil Booth <NeilB@earthling.net>
3298 * cpplex.c (parse_string2): Update comment.
3299 (cpp_lex_line): No special assertion treatment for '('.
3300 * cpplib.c (DIRECTIVE_TABLE): Remove SYNTAX_ASSERT.
3301 * cpplib.h (SYNTAX_ASSERT): Remove.
3303 Mon May 15 21:45:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
3305 * jump.c (condjump_p): Mark as depreached.
3306 (any_condump_p): New.
3307 (any_uncondump_p): New.
3309 (safe_to_remove_jump_p): New.
3310 * rtl.h (any_condump_p, any_uncondjump_p, pc_set
3311 safe_to_remove_jump_p): Declare.
3313 Mon May 15 21:07:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
3315 * calls.c: Re-install both patches reverted by last patch.
3316 (struct arg_data): New field tail_call_reg.
3317 (initialize_argument_information): Initialize tail_call_reg
3318 (load_register_parameters): New argument flags, use
3319 tail_call_reg when emiting tail call sequence.
3320 (expand_call): Update call of load_register_parameters;
3321 copy unadjusted_args_size to adjusted_args_size.
3323 Mon May 15 19:01:42 MET DST 2000 Jan Hubicka <jh@suse.cz>
3325 * loop.c (scan_loop, strength_reduce, loop_optimize): Change unroll_p
3326 and bct_p parameters to flags.
3327 * loop.h (LOOP_UNROLL, LOOP_BCT): New constants.
3328 * rtl.h (loop_optimize): Update prototype.
3329 * toplev.c (rest_of_compilation): Update call of loop_optimize.
3331 2000-05-15 Jakub Jelinek <jakub@redhat.com>
3333 * calls.c (expand_call): Move expand_start_target_temps call after
3336 2000-05-15 Neil Booth <NeilB@earthling.net>
3338 * cpphash.c (trad_stringify, warn_trad_stringify,
3339 collect_params): Make some pointers pointers to const.
3340 * cpplex.c (auto_expand_name_space) Guaranteed to always
3341 expand by at least one character.
3342 (SPELL_CHAR, SPELL_NONE): Temporarily reverse order.
3343 (struct token_spelling): Use const U_CHAR * rather than PTR.
3344 (expand_name_space): Fix up token pointers if name space
3345 is moved when expanding.
3346 (INIT_NAME, cpp_scan_line, parse_name, parse_number,
3347 parse_string2, save_comment, spell_token, cpp_output_list):
3348 Update so the routines handle tokens with a direct pointer to
3349 their text, rather than an offset into the token's list's namebuf.
3350 (_cpp_lex_line): Rearrange for clarity.
3352 * cpplib.c (_cpp_check_directive): Similarly.
3353 (do_define): Make SYM a pointer to const.
3354 * cpplib.h (struct cpp_name): Replace offset with direct pointer.
3355 (CPP_INT, CPP_FLOAT): Spelling type should be SPELL_IDENT.
3356 (TOK_OFFSET): Delete.
3359 2000-05-14 Geoffrey Keating <geoffk@cygnus.com>
3361 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Correct for
3364 * config/rs6000/rs6000.c (logical_operand): Rewrite to take MODE
3366 (logical_u_operand): Delete.
3367 (non_logical_cint_operand): Rewrite to take MODE into account.
3368 (non_logical_u_cint_operand): Delete.
3369 (boolean_operator): New function.
3370 (print_operand): Add new %q operand.
3371 * config/rs6000/rs6000.h (PREDICATE_CODES): Add boolean_operator,
3372 remove logical_u_operand and non_logical_u_cint_operand,
3373 update logical_operand and non_logical_cint_operand.
3374 * config/rs6000/rs6000.md: Rewrite the patterns for performing
3375 logical operations to use %q.
3377 * config/rs6000/rs6000.md (movsi): Don't modify RTL in-place.
3378 (movdi): Make similar to movsi.
3379 * config/rs6000/rs6000.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P): There
3380 is no such thing as a DImode CONST_DOUBLE.
3381 * config/rs6000/rs6000.c (output_toc): Likewise.
3383 * config/rs6000/rs6000.c (output_cbranch): Don't output prediction
3384 codes when old mnemonics are in use. Print register names
3385 for cc registers when requested.
3387 * optabs.c (expand_float): Don't allow mode widening that causes
3390 * invoke.texi (RS/6000 and PowerPC Options): Update -m64/-m32
3391 flags to their current names -maix64 and -maix32.
3393 2000-05-14 Bruce Korb <bkorb@gnu.org>
3395 * fixinc/fixfixes.c(wrap_fix): new fix - inserts text before
3396 and/or after current text of file
3397 * fixinc/fixlib.c(must_malloc):
3398 * fixinc/fixlib.h(must_malloc): + reformatting
3399 * fixinc/inclhack.def: replace the "1i" and "$a" sed commands
3400 with usages of ``c_fix = wrap;''
3401 Add several tests and use the ``c_fix = format'' fixer more.
3402 * fixinc/fixincl.x: regen
3403 * fixinc/check.diff: regen
3404 * fixinc/check.tpl: emit the associated header with the missing
3407 Sun May 14 17:58:59 2000 Hans-Peter Nilsson <hp@axis.com>
3409 * mklibgcc.in (building libgcc1) [Xlibgcc1.a]: Do not use unset
3410 variables $src and $dst.
3412 2000-05-13 Gabriel Dos Reis <gdr@codesourcery.com>
3414 * diagnostic.h (DIAGNOSTICS_SHOW_PREFIX_ONCE): New macro.
3415 (DIAGNOSTICS_SHOW_PREFIX_NEVER): Likewise.
3416 (DIAGNOSTICS_SHOW_PREFIX_EVERY_LINE): Likewise.
3417 (struct output_buffer: emitted_prefix_p, prefixing_rule): New
3419 (set_message_prefixing_rule): Declare.
3421 * diagnostic.c: (current_prefixing_rule): New variable.
3422 (set_message_prefixing_rule): Define.
3423 (output_set_prefix): Adjust buffer->emitted_prefix_p.
3424 (init_output_buffer): Adjust Initialization.
3425 (output_emit_prefix): Rewrite. Take prefixing rules into account.
3427 Sat May 13 11:05:47 2000 Philippe De Muyter <phdm@macqel.be>
3429 * ifcvt.c (if_convert): Do not free NULL.
3431 2000-05-12 Nick Clifton <nickc@cygnus.com>
3433 * config/fr30/fr30.c (fr30_move_double): New function: Emit code
3434 to move a double word value.
3435 (di_operand): New function: Return true if the operand is suitbale
3436 for a double word move operation.
3437 (nonimmediate_di_operand): New function: Return true if the
3438 operand is a DImode register or MEM.
3440 * config/fr30/fr30.h (PREDICATE_CODES): Add di_operand and
3441 nonimmediate_di_operand.
3443 * config/fr30/fr30-protos.h Add fr30_move_double, di_operand, and
3444 nonimmediate_di_operand.
3446 * config/fr30/fr30.md (movdi): New pattern. Required because
3447 other patterns generate DImode results.
3448 (movdi_insn): New pattern.
3450 2000-05-12 Richard Henderson <rth@cygnus.com>
3452 * config/alpha/alpha.c (struct shadow_summary): Define
3453 bitfields as type unsigned int.
3455 Sat May 13 00:09:59 2000 Denis Chertykov <denisc@overta.ru>
3457 * config/avr/t-avr: Added definition of FLOAT while generates
3460 * config/avr/avr.md: `NEXT_INSN (insn)' substituted to `insn' in
3461 peepholes for tst+jump = sbrs/sbrc optimization.
3463 Fry May 12 20:03:00 CEST 2000 Jan Hubicka <jh@suse.cz>
3465 * expr.c (emit_push_insn): Do not adjust stack pointer when
3468 Fri May 12 19:03:58 2000 Philippe De Muyter <phdm@macqel.be>
3470 * ggc-simple.c (offsetof): Macro fallback definition moved from here ..
3471 * system.h (offsetof): ... to here.
3473 2000-05-12 Richard Henderson <rth@cygnus.com>
3475 * Makefile.in (final.o): Depend on BASIC_BLOCK_H.
3476 * final.c (final_end_function): Use app_disable. Rearrange note
3477 handling into a switch. Emit deleted labels.
3478 (output_asm_label): Generate label strings for deleted labels.
3479 * flow.c (tail_recursion_label_list): New.
3480 (find_basic_blocks_1): Set label_value_list directly. Collect list
3481 of tail recursion labels from call_placeholders. Don't add deleted
3482 labels to the label value list.
3483 (cleanup_cfg): Use free_EXPR_LIST_list.
3484 (flow_delete_insn_chain): Turn non-removable labels into notes.
3485 (flow_delete_block): Don't disable deleting the block because of
3486 a non-removable label.
3487 (tail_recursion_label_p): New.
3488 (merge_blocks_move_predecessor_nojumps): Don't disable the merge
3490 (merge_blocks_move_successor_nojumps): Likewise. Also move a
3492 (merge_blocks): Disable a merge because of tail recursion labels.
3493 * ifcvt.c (merge_if_block): Don't disable a merge because of a label.
3494 Use a more accurate measure of not merging the join block.
3495 (find_if_block): Don't disable conversion because of a label.
3496 (find_if_case_1, find_if_case_2): Likewise.
3497 * jump.c (duplicate_loop_exit_test): Preserve the kind of list
3498 element when copying.
3499 (squeeze_notes): Also leave EH notes.
3500 (mark_jump_label): Ignore deleted labels. Use an INSN_LIST for
3502 (delete_insn): Preserve LABEL_NAME in NOTE_SOURCE_FILE when
3504 * print-rtl.c (print_rtx): Print NOTE_SOURCE_FILE for
3505 NOTE_INSN_DELETED_LABEL. Print `[# deleted]' for a label_ref
3506 referring to a deleted label. Convert tail handling to a switch.
3507 * rtl.def (CODE_LABEL): Rearrange elements to be compatible with NOTE
3508 for NOTE_INSN_DELETED_LABEL.
3509 (NOTE): Fix commentary.
3510 * rtl.h (REG_LABEL): Update commentary wrt INSN_LIST.
3511 (REG_CC_SETTER, REG_CC_USER, REG_LIBCALL): Likewise.
3512 (CODE_LABEL_NUMBER, LABEL_NAME): Update index.
3513 (LABEL_NUSES, LABEL_REFS): Likewise.
3514 * unroll.c (copy_loop_body): Don't copy NOTE_INSN_DELETED_LABEL.
3516 2000-05-12 Bruce Korb <bkorb@gnu.org>
3518 * fixinc/fixfixes.c(format_write): buglet & relaxed rules
3519 * fixinc/check.diff: updated
3520 * fixinc/inclhack.def: corrected & added some test_text-s
3521 * fixinc/genfixes: removed unneeded options to autogen invocation
3522 * fixinc/fixincl.tpl: Specified the output file
3523 * fixinc/fixfixes.c: visual appearance
3524 * fixinc/fixincl.x: regenerate
3526 2000-05-12 Zack Weinberg <zack@wolery.cumb.org>
3528 * fixinc/fixfixes.c (IO_use_fix, IO_defn_fix, CTRL_use_fix,
3529 CTRL_defn_fix): Delete.
3530 (fix_char_macro_defines, fix_char_macro_uses): Rename to
3531 char_macro_def_fix and char_macro_use_fix, respectively. Put
3532 them into the FIXUP_TABLE. Get the string to search for from
3535 (format_write): New function.
3536 (format_fix): Use it.
3538 (FIX_PROC_HEAD): Constify text parameter.
3539 (machine_name_fix): Constify all char *s.
3540 * fixtests.c (skip_quote): Remove double static.
3542 * inclhack.def (io_def_quotes, io_use_quotes, ctrl_def_quotes,
3543 ctrl_use_quotes): Update for new scheme.
3544 * fixincl.x: Regenerate.
3546 2000-05-12 Alexandre Oliva <aoliva@cygnus.com>
3548 * config/mn10300/mn10300.h (PREFERRED_DEBUGGING_TYPE): Redefine as
3550 (DWARF2_ASM_LINE_DEBUG_INFO): Define.
3551 (ASM_OUTPUT_DWARF2_ADDR_CONST): Define.
3553 2000-05-11 Robert Lipe <robertlipe@usa.net>
3555 * fixinc/inclhack.def (hpux8_bogus_inlines): Delete bypass for SCO.
3556 * fixincl.x: Regenerate.
3558 2000-05-11 Richard Henderson <rth@cygnus.com>
3560 * calls.c: Revert both 05-09 patches.
3562 2000-05-11 Alexandre Oliva <aoliva@cygnus.com>
3564 * config/mn10300/mn10300.c (print_operand): Print FP constants in
3566 * config/mn10300/mn10300.md (movsf, movdf): Use the `F' constraint
3569 * mklibgcc.in (EQ): Define it to an equal sign in the Makefile,
3570 and replace any occurrences of `=' in multilib dirs with `$(EQ)'.
3572 2000-05-11 Jason Merrill <jason@casey.cygnus.com>
3574 * fixinc/fixincl.c (run_compiles): Don't crash on null pz_machine.
3576 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
3578 * fixinc/fixfixes.c, fixinc/fixtests.c: Update commentary.
3580 Thu May 11 22:28:05 2000 Denis Chertykov <denisc@overta.ru>
3582 * config/avr/avr-protos.c (jump_over_one_insn_p): New declaration.
3583 * config/avr/avr.c (jump_over_one_insn_p): New function.
3584 * config/avr/avr.md: New peepholes added. Output test and
3585 conditional jump to "sbrc" or "sbrs" command.
3587 2000-05-11 Mark Elbrecht <snowball3@bigfoot.com>
3589 * cppmain.c (main): Use IS_DIR_SEPARATOR.
3591 2000-05-11 Jakub Jelinek <jakub@redhat.com>
3593 * except.c (find_exception_handler_labels_1): New function.
3594 (find_exception_handler_labels): Split into two functions, dive
3595 into CALL_PLACEHOLDERs when looking for exception handler labels.
3597 2000-05-11 Stan Cox <scox@cygnus.com>
3599 * regrename.c (replace_reg_in_block): Improve REG_DEAD handling.
3600 * timevar.def (TV_RENAME_REGISTERS): Move before TV_SCHED2.
3601 * toplev.c (rest_of_compilation): Call regrename_optimize before sched2.
3603 2000-05-11 Bruce Korb <bkorb@gnu.org>
3605 * fixinc/fixfixes.c (double_slash_fix): obsolete
3606 (else_endif_label_fix): obsolete
3607 (format_fix): new, unused as yet
3609 * fixinc/fixlib.h: added fix description struct for use by format_fix
3610 * fixinc/fixincl.c: removed the struct & test for SIGIOT befure using
3611 * fixinc/Makefile.in: compile fixfixes.c and fixtests.c as separate
3612 modules. Removed the vestiges of the script version.
3613 Added support for "make check".
3614 * fixinc/check.diff: base diff file (needs work!!)
3615 * fixinc/check.tpl: quiet the fixup output
3616 * fixinc/fixtests.c (main): obsolete
3617 * fixinc/fixincl.sh: don't bother copying fixincl to ..
3618 * fixinc/fixincl.tpl: provide for arguments to c_fix routines
3620 Thu May 11 11:57:02 MET DST 2000 Jan Hubicka <jh@suse.cz>
3622 * toplev.c (rest_of_compilation): Remove dead code after
3625 2000-05-11 Zack Weinberg <zack@wolery.cumb.org>
3627 * cpphash.c (collect_funlike_expansion): Make "# is not
3628 followed by a macro argument name" a pedwarn, not an error.
3629 Preserve the # in the output. Suppress the warning if lang_asm.
3631 Thu May 11 01:19:31 2000 Jeffrey A Law (law@cygnus.com)
3633 * configure.in (hppa*64*-*-hpux11*): New target for PA64 support.
3634 * configure: Rebuilt.
3636 2000-05-10 Laurynas Biveinis <lauras@softhome.net>
3638 * i386/xm-djgpp.h (XREF_FILE_NAME): Add mising brace.
3640 2000-05-10 Kazu Hirata <kazu@hxi.com>
3642 * combine.c (try_combine): Fix a typo.
3644 Wed May 10 21:31:44 2000 Jim Wilson <wilson@cygnus.com>
3646 * config/ia64/ia64.md (insv): Add comment.
3648 2000-05-10 Richard Henderson <rth@cygnus.com>
3650 * Makefile.in (libgcc.a, stmp-multilib): Depend on FPBIT and DPBIT.
3651 * mklibgcc.in: Rewrite to not use functions. Don't shortcut
3652 dependancies on FPBIT and DPBIT.
3654 2000-05-10 Nick Clifton <nickc@redhat.com>
3656 * flow.c (find_auto_inc): Do not bias REG_N_REFS by loop_depth
3657 when optimising for size.
3658 (mark_used_regs:) Ditto.
3659 (try_pre_increment_1): Ditto.
3661 2000-05-10 Zack Weinberg <zack@wolery.cumb.org>
3663 * cppexp.c (lex): Use %.*s to print non-NUL-terminated string.
3664 Make error message friendlier.
3666 * cpphash.h (struct hashnode): Use struct hack for name
3668 * cpphash.c (struct hashdummy): New.
3669 (eq_HASHNODE): Second argument is a hashdummy, not a HASHNODE.
3670 (make_HASHNODE): No need to set ->name pointer. Correct
3672 (cpp_lookup): Make 'dummy' a struct hashdummy. Tidy up a bit.
3674 2000-05-10 Richard Henderson <rth@cygnus.com>
3676 * flow.c (find_basic_blocks_1): Remove any spare bb_note
3679 2000-05-10 Bruce Korb <bkorb@gnu.org>
3681 * fixinc/gnu-regex.c: reg_syntax_t re_syntax_options must be static
3683 2000-05-10 Eric Schweitz <schweitz@nortelnetworks.com>
3685 * dwarfout.c (dwarfout_finish): Call retry_incomplete_types
3686 after we enter .debug.
3688 2000-05-10 Jason Merrill <jason@casey.cygnus.com>
3690 * dwarf2out.c (gen_subprogram_die): Fixup die_parent for the
3691 abstract instance of a nested inline function.
3693 * stor-layout.c (finish_record_layout): finalize_type_size
3694 before laying out the pending_statics.
3696 Wed 10 May 09:36:47 2000 Neil Booth <NeilB@earthling.net>
3698 * cpplex.c (spell_token): New function.
3699 (spell_string, spell_comment, spell_name): fold into
3702 (E, H): Remove macros.
3703 (save_comment): Save comment opening characters too.
3704 (_cpp_lex_file): Update to use spell_token. Tidy up comment
3706 * cpplib.h (I, S): Add macros.
3707 (E, H): Remove macros.
3708 (TTYPE_TABLE): Update entries for new speller.
3709 (SYNTAX_ASSERT): Remove.
3711 Wed 10 May 09:08:30 2000 Neil Booth <NeilB@earthling.net>
3713 * cpplex.c (_cpp_lex_line): Maintain PREV_WHITESPACE flag
3714 when removing escaped newlines. Reverse sense of test for
3717 2000-05-09 Richard Henderson <rth@cygnus.com>
3719 * flow.c (find_basic_blocks_1): Do not delete the first
3720 bb_note we run across.
3721 (create_basic_block): Use reorder_insns to move an existing
3722 bb_note to the correct place.
3724 2000-05-09 Richard Henderson <rth@cygnus.com>
3726 * calls.c (expand_call): Increment currently_expanding_call
3727 before calling optimize_tail_recursion.
3729 Tue May 9 18:54:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3731 * reload1.c (reload_combine): Fix errors in last change.
3733 2000-05-09 Zack Weinberg <zack@wolery.cumb.org>
3735 * gcc.c (used_arg): Skip over a semicolon at the end of the
3736 split-up loop; don't break out of it.
3738 * Makefile.in (WARN_CFLAGS): Add -Wwrite-strings.
3739 (tree.o): Depend on output.h.
3741 * c-decl.c (pending_invalid_xref_file,
3742 current_function_prototype_file): Constify.
3743 (pushdecl): Constify a local char *.
3744 (define_label): Constify filename parameter.
3745 * c-lex.c (init_parse): Constify parameter and return value.
3746 * c-typeck.c (c_expand_asm_operands): Constify filename parameter.
3747 * c-tree.h: Update prototypes.
3748 * c-parse.in: Constify filename member of %union, and if_stmt_file.
3749 * c-parse.y, c-parse.c, c-parse.h, objc/objc-parse.y,
3750 objc/objc-parse.c: Regenerate.
3752 * dwarfout.c (dwarfout_init): Constify main_input_filename parameter.
3753 * dwarfout.h: Update prototypes.
3754 * expr.c (expand_expr): Constify a local char *.
3755 * flags.h: Constify main_input_filename.
3756 * function.c (expand_function_end): Constify filename parameter.
3757 * genrecog.c (make_insn_sequence): Use a character array for
3759 (main): Remove unused variables.
3760 * input.h: Constify input_filename, main_input_filename, and
3761 file_stack.name. Update prototypes.
3762 * output.h: Declare first_global_object_name and
3763 weak_global_object_name here, as const char *.
3764 * stmt.c (expand_asm_operands): Constify filename parameter.
3765 * toplev.c (compile_file, push_srcloc, debug_start_source_file):
3766 Constify filename parameter.
3767 (input_filename, main_input_filename): Constify.
3768 * toplev.h: Update prototypes.
3769 * tree.c: Include output.h. Don't declare
3770 first_global_object_name or weak_global_object_name. Clean up string
3771 bashing in get_file_function_name_long.
3772 * tree.h (struct tree_decl): Constify filename member.
3773 (input_filename): Constify.
3775 * varasm.c (first_global_object_name, weak_global_object_name):
3777 (assemble_start_function, assemble_variable): Clean up string bashing.
3779 * gcc.c: Constify all spec-related strings initialized,
3780 transitively, from string constants. Constify all strings
3781 and string variables related to multilibs.
3782 (set_spec, read_specs): Cast argument to free to PTR.
3783 (used_arg): Do not modify multilib_matches. Use strncmp plus
3784 length comparison to compare multilib switches.
3785 * genmultilib: Constify everything declared in multilib.h.
3787 Tue May 9 22:28:03 2000 Denis Chertykov <denisc@overta.ru>
3789 * flow.c (flow_delete_insn): Use INSN_DELETED_P for marking insn
3792 Tue May 9 20:52:43 2000 Denis Chertykov <denisc@overta.ru>
3794 * config/avr/avr-protos.h (extra_constraint): change a type of
3795 second argument from char to int to avoid warnings.
3796 (asm_output_byte): Likewise.
3798 * config/avr/avr.c (MAX_LD_OFFSET) New macro.
3799 (initial_elimination_offset): Handle elimination from
3800 FRAME_POINTER_REGNUM to STACK_POINTER_REGNUM.
3801 (legitimate_address_p): Use MAX_LD_OFFSET.
3802 (legitimize_address): Likewise.
3803 (out_movqi_r_mr): Likewise.
3804 (out_movhi_r_mr): Likewise, use `fatal_insn' instead of `fatal'.
3805 (out_movsi_r_mr): Use MAX_LD_OFFSET.
3806 (out_movsi_mr_r): Likewise.
3807 (out_movqi_mr_r): Likewise.
3808 (out_movhi_mr_r): Likewise.
3809 (notice_update_cc): Correct CC for the ashrqi3 with the shift
3810 count as CONST_INT != 6.
3811 (ashlqi3_out): Coding style modifications. Run `fatal_insn' if
3812 shift count is a CONSTANT_P, but not a CONST_INT.
3813 (ashlhi3_out): Coding style modifications.
3814 (ashlsi3_out): Likewise.
3815 (ashrhi3_out): Likewise.
3816 (ashrsi3_out): Likewise.
3817 (lshrhi3_out): Likewise.
3818 (lshrsi3_out): Likewise.
3819 (ashrqi3_out): Generate shift for any known constant count without
3820 scratch register. Run `fatal_insn' if shift count is a CONSTANT_P,
3821 but not a CONST_INT.
3822 (lshrqi3_out): Coding style modifications. Run `fatal_insn' if
3823 shift count is a CONSTANT_P, but not a CONST_INT.
3824 (extra_constraint): change a type of
3825 second argument from char to int to avoid warnings.
3826 (asm_output_byte): Likewise.
3827 (asm_file_end): Output size generated commands count as a hex
3830 * config/avr/avr.h (RETURN_ADDR_RTX): New macro.
3832 * config/avr/avr.md (addhi3): Fragment commented by &&0 is
3834 (ashlqi3): Values of "length" attribute changed. Shift count
3835 uses constraints 'n' instead of 'i'.
3836 (ashrqi3): Likewise. Values of "cc" attribute changed. Generate
3837 shifts without clobber register.
3838 (lshrqi3): Shift count uses constraints 'n' instead of 'i'.
3839 (call_insn): Correct test for which_alternative == 1 (was 0).
3840 (call_value_insn): Likewise.
3842 * config/avr/t-avr: Remove definition of FLOAT while generates
3845 2000-05-09 Bruce Korb <bkorb@gnu.org>
3847 * fixinc/check.tpl: Template for checking fixes
3848 * fixinc/inclhack.def: Added 'test_text' for many fixes
3849 disable hpux8_bogus_inlines on SCO
3850 * fixinc/fixinc.sco: Oh, yes, we don't need this any more.
3852 Tue May 9 16:30:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
3854 * calls.c (expand_call): Reorganize somewhat in order
3855 to avoid unnecesary recalculation inside loop and make
3856 tail call failure code cleaner.
3858 Tue May 9 06:30:20 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3860 * alias.c (nonlocal_reference_p): Minor reformatting.
3861 * reload.c (find_equiv_reg): Simplify logic for
3862 CALL_INSN_FUNCTION_USAGE since can't have SUBREG or pseudos and
3863 some some reformatting.
3864 * reload1.c (reload_combine): Don't assume everything in
3865 CALL_INSN_FUNCTION_USAGE is a REG and clean up code a bit.
3867 2000-05-08 Richard Henderson <rth@cygnus.com>
3869 * final.c (current_insn_predicate): New.
3870 (final_scan_insn): Set it.
3871 * output.h (current_insn_predicate): Declare.
3873 * ifcvt.c (cond_exec_process_insns): New argument prob_val.
3874 Attach it to call insns.
3875 (cond_exec_process_if_block): Track probability for true and
3877 (dead_or_predicable): Likewise.
3879 * predict.c (PROB_NEVER, PROB_VERY_UNLIKELY): New.
3880 (PROB_UNLIKELY, PROB_EVEN, PROB_LIKELY): New.
3881 (PROB_VERY_LIKELY, PROB_ALWAYS): New.
3882 (estimate_probability, expected_value_to_br_prob): Use them.
3884 * config/ia64/ia64-protos.h (ia64_expand_prediction): Declare.
3885 * config/ia64/ia64.c (ia64_print_operand_address): Handle 'j'.
3886 (ia64_expand_prediction): New.
3887 (emit_insn_group_barriers): Don't look at notes. Emit barriers
3888 as needed after calls.
3889 (ia64_epilogue_uses): Mark b0 used.
3890 * config/ia64/ia64.md (beq_true, beq_false): Remove.
3891 (bne_true, bne_false): Remove.
3892 (eq_return, eq_not_return, ne_return, ne_not_return): Remove.
3893 (br_true, br_false): New. Use predicate_operator and
3894 ia64_expand_prediction.
3895 (return_true, return_false): Likewise.
3896 (call_internal): Use ia64_expand_prediction. Don't emit stop bit.
3897 (call_internal1, call_value_internal): Likewise.
3898 (call_value_internal1, call_multiple_values_internal1): Likewise.
3900 * config/ia64/ia64.c (ia64_direct_return): Require frame size zero.
3902 * config/ia64/ia64.md (extendsfdf2): Split only after reload.
3904 2000-05-08 Richard Henderson <rth@cygnus.com>
3906 * rtlanal.c (may_trap_p): Consider old-style and volatile
3909 Mon May 8 17:16:48 2000 Jim Wilson <wilson@cygnus.com>
3911 * config/ia64/ia64.h (RETURN_ADDR_RTX): Use COUNT not count.
3913 2000-05-08 Richard Henderson <rth@cygnus.com>
3915 * config/ia64/ia64.h (predicate_operator): Declare.
3917 * config/ia64/ia64.md (extendsfdf2): Split the nop case out
3920 * gensupport.c (process_rtx): Copy and post-process each member
3921 of the define_insn rtvec individually.
3923 Mon 8 May 22:17:35 2000 Neil Booth <NeilB@earthling.net>
3925 * cpplex.c (spell_token): New function.
3926 (TOKEN_LEN): Add 1 for whitespace.
3927 (_cpp_lex_file): Update to use spell_token.
3928 * cpplib.h (E): Remove.
3929 (TTYPE_TABLE): Update CPP_VSPACE entry.
3931 2000-05-08 Richard Henderson <rth@cygnus.com>
3933 * flow.c (init_propagate_block_info): Watch out for conditional
3934 branch to next instruction, and thus one outgoing edge.
3936 * config/ia64/ia64.c (ia64_encode_section_info): Exit early
3937 for global register variables; don't special case __[CD]TOR_LIST__;
3938 mind ggc_p for string allocation.
3940 2000-05-08 Nick Clifton <nickc@cygnus.com>
3942 * config/i386/i386.h (ELIMINABLE_REGS): Fix comment.
3944 2000-05-08 Bruce Korb <bkorb@gnu.org>
3946 * fixinc/mkfixinc.sh: fixinc.sco is no longer used
3947 i?86-*-msdosdjgpp* no longer uses fixincludes
3948 * fixinc/genfixes: inclhack.sh and fixincl.sh are no longer generated
3949 * fixinc/inclhack.sh: deleted
3950 * fixinc/hackshell.tpl: deleted
3951 * fixinc/inclhack.tpl: deleted
3952 * fixinc/Makefile.in: Remove dependencies on above
3953 * fixinc/fixincl.sh: "DO NOT EDIT" text modified
3955 2000-05-08 Andreas Jaeger <aj@suse.de>
3957 * config/mips/linux.h: Remove undefines which disabled .ctor/.dtor
3960 2000-05-07 Zack Weinberg <zack@wolery.cumb.org>
3962 * Makefile.in (LOOSE_CFLAGS): Add /g modifiers to both sed
3965 Sun 7 May 08:43:53 2000 Neil Booth <NeilB@earthling.net>
3967 * cpplex.c: Move new lexer definitions and prototypes
3968 to top. Conditional include these and the code if
3969 NEW_LEXER is defined. Rename functions whose names
3970 clash if this code included.
3972 Sun May 7 00:54:57 EDT 2000 John Wehle (john@feith.com)
3974 * rtl.def (COND_EXEC): Clarify.
3976 * i386.md (extendsidi2): Clobber (reg:CC 17) in the
3977 same fashion as zero_extendsidi2.
3979 2000-05-06 Richard Henderson <rth@cygnus.com>
3981 * config/ia64/ia64.c (predicate_operator): New.
3982 (ia64_print_operand): Handle 'J'.
3983 (rtx_needs_barrier): Handle COND_EXEC.
3984 * config/ia64/ia64.h (BRANCH_COST): Define.
3985 (PREDICATE_CODES): Update.
3986 * config/ia64/ia64.md: Docuement used unspec values.
3987 (attr predicable): New.
3988 (movxf, movxf_internal): New.
3989 (extendsfdf2): Don't comment out nop.
3990 (floatdidf2): Remove.
3991 (truncxfsf2, truncxfdf2, floatdixf2): New.
3992 (abssi2, absdi2): Put the neg in the "true" slot.
3993 (conditional branch instructions): Mark not predicable.
3994 (cmov*_internal): Use predicate_operator. Split to cond_exec.
3995 (abs*_internal): Likewise.
3996 (alloc, set_bsp): Mark not predicable.
3997 (barrier, insn_group_barrier, flush_cache): Likewise.
3998 (define_cond_exec): New.
4000 2000-05-06 Richard Henderson <rth@cygnus.com>
4002 * c-decl.c: Include "tm_p.h".
4004 * config/ia64/ia64-protos.h: Rearrange decls to reduce ifdef madness.
4005 (fetchadd_operand, ia64_expand_fetch_and_op): Declare.
4006 (ia64_expand_op_and_fetch): Declare.
4007 * config/ia64/ia64.c: Include "toplev.h". Kill trailing whitespace.
4008 (setjmp_operand): Constify variables for XSTR.
4009 (ia64_encode_section_info): Likewise.
4010 (ia64_print_operand): Use %d for exact_log2; cast 32-bit printed
4012 (ia64_asm_output_external): Constify name.
4013 (process_set): Use HOST_WIDE_INT_PRINT_DEC for frame size.
4014 (process_for_unwind_directive): Provide switch default.
4015 (ia64_expand_compare_and_swap): Remove unused variables.
4016 (ia64_expand_builtin): Likewise.
4017 * config/ia64/ia64.h (ASM_OUTPUT_BYTE): Mask and cast value to int
4020 * config/ia64/ia64.c (sdata_symbolic_operand): Mark unused args.
4021 (symbolic_operand, function_operand, setjmp_operand): Likewise.
4022 (shift_count_operand, shift_32bit_count_operand): Likewise.
4023 (shladd_operand, fetchadd_operand, ia64_function_prologue): Likewise.
4024 (ia64_function_epilogue, ia64_setup_incoming_varargs): Likewise.
4025 (ia64_function_arg_partial_nregs, ia64_function_value): Likewise.
4026 (ia64_print_operand_address, ia64_secondary_reload_class): Likewise.
4027 (ia64_expand_builtin): Likewise.
4028 (call_multiple_values_operation): Make dest_regno unsigned.
4030 2000-05-06 Richard Henderson <rth@cygnus.com>
4032 * rtl.def (DEFINE_COND_EXEC): New.
4033 * md.texi: Document it.
4035 * gensupport.c (input_file): Remove.
4036 (struct queue_elem): Add lineno.
4037 (rtx_ready_queue): Remove.
4039 (predicable_default): New.
4040 (predicable_true, predicable_false): New.
4041 (define_attr_queue, define_attr_tail): New.
4042 (define_insn_queue, define_insn_tail): New.
4043 (define_cond_exec_queue, define_cond_exec_tail): New.
4044 (other_queue, other_tail): New.
4045 (queue_pattern): New.
4046 (process_rtx): Add patterns to the appropriate queues.
4047 (is_predicable, identify_predicable_attribute): New.
4048 (n_alternatives, collect_insn_data): New.
4049 (alter_predicate_for_insn, alter_test_for_insn): New.
4050 (shift_output_template, alter_output_for_insn): New.
4051 (process_one_cond_exec, process_define_cond_exec): New.
4052 (init_md_reader): Read the entire file. Process define_cond_exec.
4053 (read_md_rtx): Return elements from the queues.
4055 2000-05-06 Richard Henderson <rth@cygnus.com>
4057 * flow.c (mark_set_1): Don't update conditional life info
4058 if the register is not_dead.
4060 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
4062 * Makefile.in (STAGESTUFF): Add genrtl.c and genrtl.h.
4063 (mostlyclean): Also delete fixincl, fixinc.sh, and
4064 specs.ready, and make clean in the fixinc subdir.
4066 2000-05-06 Richard Henderson <rth@cygnus.com>
4068 * Makefile.in (gensupport.o): Compile for the host.
4069 (host-prefix gensuuprt.o): Remove.
4070 (genflags.o): Depend on gensupport.h and OBSTACK_H.
4071 (genattrtab.o): Likewise.
4072 (gencodes.o): Depend on gensupport.h.
4073 (genemit.o, genopinit.o, genrecog.o, genextract.o): Likewise.
4074 (genpeep.o, genattr.o, genoutput.o): Likewise.
4076 * gensupport.c (obstack, rtl_obstack): New.
4077 (init_md_reader): Initialize rtl_obstack.
4078 * gensupport.h (rtl_obstack): Declare.
4079 (message_with_line): Declare.
4081 * genattr.c: Remove all traces of obstack manipulation.
4082 * gencodes.c, genconfig.c, genemit.c, genextract.c: Likewise.
4083 * genopinit.c, genoutput.c, genpeep.c, genrecog.c: Likewise.
4085 * genattrtab.c (obstack, rtl_obstack): Remove.
4086 (main): Don't init rtl_obstack.
4087 * genflags.c: Likewise.
4089 * genrecog.c (message_with_line): Move ...
4090 * gensupport.c: ... here.
4092 2000-05-06 Richard Henderson <rth@cygnus.com>
4094 * c-typeck.c (build_c_cast): Remove dead code.
4096 2000-05-06 Richard Henderson <rth@cygnus.com>
4098 * flow.c (split_edge): Don't allocate global_live_at_start for
4099 the new block unless the old blocks had them as well.
4101 * flow.c (mark_set_1): Respect not_dead when updating reg_live.
4103 * ifcvt.c (noce_process_if_block): Don't use an insn_b from
4104 test_bb if a or b uses x.
4106 2000-05-06 Zack Weinberg <zack@wolery.cumb.org>
4108 * cpphash.h: Remove conditional #define of __extension__.
4109 * rtl.h: Add __extension__ to RTL_CHECK1, RTL_CHECK2,
4110 RTL_CHECKC1, RTL_CHECKC2, and RTVEC_ELT macros
4111 (ENABLE_RTL_CHECKING only).
4112 * tree.h: Add __extension__ to TREE_CHECK, TREE_CLASS_CHECK,
4113 CST_OR_CONSTRUCTOR_CHECK, and EXPR_CHECK macros
4114 (ENABLE_TREE_CHECKING only).
4115 * varray.h: Add __extension__ to VARRAY_CHECK macro
4116 (ENABLE_CHECKING only).
4118 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
4120 Use new tail-calling mechanism on ARM.
4121 * arm.md (sibcall, sibcall_value): New expands.
4122 (sibcall_insn, sibcall_value_insn, sibcall_epilogue): New insns.
4123 (tailcalling peepholes): Delete.
4124 (push_multi): Simplify.
4125 * arm.c (lr_save_eliminated): Delete definition.
4126 (pattern_really_clobbers_lr, function_really_clobbers_lr): Delete.
4127 (output_return_instruction): Remove checks on lr_save_eliminated.
4128 (output_arm_prologue): Remove old tail-calling code.
4129 (arm_output_epilogue): New parameter, really_return. All callers
4130 changed. Handle tail-calling epilogues.
4131 * arm.h (lr_save_eliminated): Delete declaration.
4132 (frame_pointer_needed): Delete declaration.
4133 * arm-protos.h (arm_output_epilogue): Adjust prototype.
4135 * arm.md (is_thumb): Examine symbol thumb_code, not expression
4137 * arm.c (thumb_code): Define it.
4138 (arm_override_options): Set it.
4139 * arm.h (thumb_code): Declare it.
4141 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
4143 * arm-protos.h (arm_dllexport_name_p, arm_dllimport_name_p): Constify.
4145 2000-05-06 Richard Earnshaw (reanrsha@arm.com)
4147 * arm.c (arm_gen_load_multiple, arm_gen_store_mulitple): Don't add
4148 bogus clobber to insns.
4149 (load_multiple_operation, store_mulitple_operation): Don't check
4151 * arm.md (ldmsi_postinc, stmsi_postinc): Adjust accordingly.
4153 * arm.md (and_scc, ior_scc): Add missing mode.
4155 * arm.md (call_value_symbol): Remove predicate from op2.
4157 * arm.h (SPECIAL_MODE_PREDICATES): Define.
4159 Sat May 6 06:25:56 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4161 * expr.c (get_subtarget): New function.
4162 (force_operand, expand_expr, do_store_flag): Use it.
4164 * toplev.c (compile_file): Don't take strlen of NAME if null.
4166 2000-05-06 David Edelsohn <edelsohn@gnu.org>
4168 * xcoffout.c (xcoff_current_include_file,
4169 xcoff_current_function_file, xcoff_lastfile): Constify char *.
4170 (xcoffout_source_file, xcoffout_source_line): Make filename 'const
4172 (xcoffout_declare_function): Make name 'const char *'.
4173 (xcoffout_end_epilogue): Make fname 'const char *'
4174 * xcoffout.h (xcoff_current_include_file, xcoff_lastfile,
4175 xcoffout_declare_function, xcoffout_source_line): Match above.
4177 * aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -mpowerpc64 without
4179 * rs6000.c (print_operand): Fix lossage typo.
4180 (output_cbranch): Remove "cr" decoration for now.
4181 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): Make alias 'const char *'.
4183 Sat May 6 06:55:32 2000 Denis Chertykov <denisc@overta.ru>
4185 * config/avr/avr.c (out_shift_with_cnt): Bugfix for shift by
4188 2000-05-05 Bruce Korb <bkorb@gnu.org>
4190 * fixinc/genfixes: Improve the matching for make target names
4192 2000-05-05 Catherine Moore <clm@cygnus.com>
4194 * c-common.c (decl_attributes): For TYPE_DECLs attach the
4195 attribute to the decl.
4196 * c-decl.c (pushdecl): Propagate the USED attribute to the
4199 2000-05-05 Richard Henderson <rth@cygnus.com>
4201 * rtlanal.c (reg_overlap_mentioned_p): Treat parallels in the
4202 same way emit_group_load does.
4204 2000-05-05 Mark Elbrecht <snowball3@bigfoot.com>
4206 * gcc.c (set_input) [HAVE_DOS_STYLE_FILE_SYSTEM]: Skip drive name.
4208 * toplev.c (output_file_directive): Use IS_DIR_SEPARATOR.
4211 2000-05-05 Rodney Brown <RodneyBrown@mynd.com>
4213 * pa.h (FUNCTION_ARG_ADVANCE): Warning removal.
4215 Fri May 5 10:29:21 2000 Marc Espie <espie@cvs.openbsd.org>
4217 * config/openbsd.h (LINK_SPEC): pass correct flags to ld
4218 to support -shared, on platforms with dynamic libraries.
4220 Fri May 5 10:27:06 2000 Philippe De Muyter <phdm@macqel.be>
4222 * system.h (S_ISBLK): Provide fallback definition.
4224 2000-05-05 Geoff Berry <geoffb@bops.com>
4226 * extend.texi (Extended Asm): Document inability to give asm
4227 statements access to condition codes.
4229 2000-05-05 Marek Michalkiewicz <marekm@linux.org.pl>
4231 * varasm.c (asm_emit_uninitialised): Use 0, not NULL
4232 as arg 2 of UNIQUE_SECTION.
4234 Fri May 5 10:11:41 2000 Jeffrey A Law (law@cygnus.com)
4236 * predict.c: Remove May 4 change.
4237 * bb-reorder.c (make_reorder_chain): Do not perform block movement
4238 if we have predicted the branch at 50-50 probability.
4240 2000-05-05 Richard Henderson <rth@cygnus.com>
4242 * flow.c (init_propagate_block_info): Fix merge error
4243 in HAVE_conditional_execution code.
4245 Fri May 5 07:43:50 2000 Denis Chertykov <denisc@overta.ru>
4247 * config/avr/avr.c (out_shift_with_cnt): Genetare a more optimal
4248 shift cycle for unknown shift count. Also generates dec + brpl.
4249 (ashlqi3_out): Don't generate dec + brpl which now generates by
4250 `out_shift_with_cnt'.
4251 (ashlhi3_out): Likewise.
4252 (ashlsi3_out): Likewise.
4253 (ashrqi3_out): Likewise.
4254 (ashrhi3_out): Likewise.
4255 (ashrsi3_out): Likewise.
4256 (lshrqi3_out): Likewise.
4257 (lshrhi3_out): Likewise.
4258 (lshrsi3_out): Likewise.
4260 2000-05-04 Mark Elbrecht <snowball3@bigfoot.com>
4262 * gcc.c (free_split_directories): Correct typo in explanation
4263 of make_relative_prefix.
4265 2000-05-04 Geoff Keating <geoffk@cygnus.com>
4267 * config/rs6000/rs6000.h (PREDICATE_CODES): Add floating-point
4268 comparison codes to branch_comparison_operator.
4270 2000-05-04 Richard Henderson <rth@cygnus.com>
4272 * ifcvt.c (noce_process_if_block): Always reset X in the A == B case.
4274 2000-05-04 Richard Henderson <rth@cygnus.com>
4276 * Makefile.in (FPBIT_FUNCS): Remove _df_to_usi.
4277 (DPBIT_FUNCS): Remove _sf_to_usi.
4278 (stmp-multilib): Pass LIB1ASMSRC to libgcc.mk.
4280 * ifcvt.c (noce_process_if_block): Fail if A or B modified
4281 between condition and jump.
4283 * libgcc2.c (near eh_context_specific): Comment #endif string.
4284 * longlong.h: Don't use strings with embedded newlines.
4286 2000-05-04 Geoff Keating <geoffk@cygnus.com>
4288 * config/rs6000/rs6000-protos.h: Add output_cbranch.
4289 * config/rs6000/rs6000.c (ccr_bit_negated_p): Delete.
4290 (print_operand): Delete %t and %T codes.
4291 (output_cbranch): New function. Support branch prediction.
4292 * config/rs6000/rs6000.md: Use output_cbranch for
4293 conditional branches and returns.
4295 2000-05-04 Jason Merrill <jason@casey.cygnus.com>
4297 * simplify-rtx.c (simplify_ternary_operation): Cast to unsigned.
4298 * stor-layout.c (place_field): Likewise.
4299 * integrate.h (struct inline_remap): Make regno_pointer_align unsigned.
4300 * expr.c (store_expr): Make align unsigned.
4301 * explow.c (plus_constant_wide): Make low words unsigned.
4302 * expmed.c (choose_multiplier): Likewise.
4303 * fold-const.c (fold): Likewise.
4304 * tree.h (build_int_2): Likewise.
4305 * tree.c (build_int_2_wide, tree_int_cst_msb): Likewise.
4306 * emit-rtl.c (gen_reg_rtx): Add cast to unsigned char*.
4307 (init_emit): Change cast to unsigned char*.
4308 * varasm.c (compare_constant_1): Add cast to char*.
4309 * gcse.c (delete_null_pointer_checks): Change cast to unsigned int*.
4310 * reload1.c (reload): Likewise.
4312 * rtl.h (MEM_SET_IN_STRUCT_P): Use do { } while (0).
4314 Thu May 4 14:37:23 2000 Jeffrey A Law (law@cygnus.com)
4316 * predict.c (estimate_probability): If no prediction was found, then
4317 predict the successor that is the next physical block (if such a
4320 2000-05-04 Richard Henderson <rth@cygnus.com>
4322 * config/alpha/t-alpha (LIB2FUNCS_EXTRA): Use qrrnd.asm in place.
4324 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4326 * system.h: Don't wrap <sys/types.h> with HAVE_SYS_TYPES_H.
4328 2000-05-04 Mumit Khan <khan@xraylith.wisc.edu>
4330 * i386/cygwin.h (CPP_PREDEFINES): Don't define __STDC__. Move
4331 attribute macros from here ...
4332 (CPP_SPEC): to here.
4333 * i386/mingw32.h (CPP_PREDEFINES): Likewise.
4334 (CPP_SPEC): Likewise.
4335 * i386/crtdll.h (CPP_PREDEFINES): Delete attribute macros.
4337 * Makefile.in ($(HOST_PREFIX_1)gensupport.o): Add build rule.
4338 (libgcc.a): Pass LIB1ASMSRC to libgcc.mk.
4340 2000-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4342 * bb-reorder.c (get_next_bb_note, get_prev_bb_note): Prototype.
4344 * diagnostic (vbuild_message_string, build_message_string,
4345 build_location_prefix, output_get_prefix, init_output_buffer,
4346 output_notice, vline_wrapper_message_with_location,
4347 v_message_with_decl, default_print_error_function): De-constify.
4348 (set_real_maximum_length): Prototype.
4350 * diagnostic.h (struct output_buffer, init_output_buffer,
4351 output_get_prefix, output_set_prefix): De-constify.
4353 * function.c (init_function_start): Constify.
4355 * gensupport.c (remove_constraints, process_rtx): Prototype.
4357 * gthr-posix.h: Indent uses of #pragma.
4359 * objc/objc-act.c (ggc_mark_imp_list, ggc_mark_hash_table):
4362 * predict.c (find_expected_value): Delete prototype.
4363 (expected_value_to_br_prob): Initialize variable `ev_reg'.
4365 * sbitmap.h (debug_sbitmap): Prototype.
4367 * ssa.c (compute_coalesced_reg_partition): Prototype.
4369 * stor-layout.c (debug_rli): Prototype.
4371 * tree.h (round_down): Prototype.
4372 (init_function_start): Constify.
4374 2000-05-04 Zack Weinberg <zack@wolery.cumb.org>
4376 * cpphash.h: #define __extension__ away if GCC_VERSION < 2095
4377 (overly conservative). Change extern inline wrappers to
4378 static inline, define them always, use PARAMS properly.
4379 * cpplex.c (_cpp_get_directive_token): Don't issue pedantic
4380 whitespace warnings for \f and \v at the beginning of a line.
4382 Thu May 4 10:03:50 2000 Jeffrey A Law (law@cygnus.com)
4384 * haifa-sched.c (schedule_insns): Free the flow edge list when it
4387 2000-05-04 Bruce Korb <bkorb@gnu.org>
4389 * fixincl/inclhack.def: added broken_cabs -
4390 Remove `extern double cabs' declarations from math.h
4391 * fixincl/inclhack.sh: regen
4392 * fixincl/fixincl.x: regen
4393 * fixincl/fixincl.c: Remove BOGOSITY code
4394 * fixincl/mkfixinc.sh: Remove code for installing "shell" version
4396 Thu May 4 09:45:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4398 * rtl.h (MEM_COPY_ATTRIBUTES): Also copy RTX_UNCHANGING_P and
4400 * alias.c (canon_rtx): Don't copy RTX_UNCHANGING_P or MEM_ALIAS_SET
4401 when calling MEM_COPY_ATTRIBUTES.
4402 * emit-rtl.c (operand_subword, change_address): Likewise.
4403 * explow.c (stabilize): Likewise.
4404 * expr.c (protect_from_queue, emit_move_insn_1): Likewise.
4405 * integrate.c (copy_rtx_and_substitute): Likewise.
4406 * combine.c (combine_simplify_rtx): Don't copy RTX_UNCHANGING_P
4407 when calling MEM_COPY_ATTRIBUTES.
4408 (make_extraction, simplify_shift_const, gen_lowpart_for_combine):
4410 * cse.c (gen_lowpart_if_possible): Likewise.
4411 * function.c (fixup_var_refs_1, purge_addressof_1): Likewise.
4412 * optabs.c (gen_move_insn): Likewise.
4413 * recog.c (validate_replace_rtx_1): Likewise.
4414 * simplify-rtx.c (add_mem_for_addr): Likewise.
4415 * stmt.c (expand_anon_union_decl): Likewise.
4416 * config/arm/arm.md: Likewise.
4417 * config/h8300/h7300.c (fix_bit_operand): Likewise.
4418 * config/m88k/m88k.c (legitimize_address, block_move_loop): Likewise.
4419 (block_move_no_loop, block_move_sequence): Likewise.
4420 * config/rs6000/rs6000.c (expand_block_move_mem): Likewise.
4421 * config/alpha/alpha.c (get_aligned_mem): Likewise.
4422 Clear MEM_ALIAS_SET.
4423 * final.c (alter_subreg): Don't copy MEM_ALIAS_SET when calling
4424 MEM_COPY_ATTRIBUTES.
4426 2000-05-03 Robert Lipe <robertlipe@usa.net>
4428 * configure.in (i[34567]86-*-isc*) [tmake_file]: Add t-i386bare
4429 to suppress libgcc1.
4430 (i[34567]86-*-sco3.2v5*) Likewise.
4431 (i[34567]86-*-sco3.2v4*) Likewise.
4432 (i[34567]86-*-sco) Likewise.
4433 (i[34567]86-*-solaris2) Likewise.
4434 (i[34567]86-*-sysv5*) Likewise.
4435 (i[34567]86-*-sysv4*) Likewise.
4436 (i[34567]86-*-udk*) Likewise.
4437 (i[34567]86-*-sysv*) Likewise.
4439 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
4441 * cpphash.h (U): New define, to correct type of string constants.
4442 (ustrcmp, ustrncmp, ustrlen, uxstrdup, ustrchr): New wrapper
4443 routines, to do casts when passing unsigned strings to libc.
4444 * cppexp.c, cppfiles.c, cpphash.c, cppinit.c, cpplib.c: Use them.
4446 * cppfiles.c (_cpp_execute_include): Make filename an U_CHAR *.
4447 * cpphash.c (_cpp_quote_string): Make string an U_CHAR *.
4448 * cppinit.c (dump_special_to_buffer): Make macro name an U_CHAR *.
4449 * cpplex.c (parse_ifdef, parse_include, validate_else): Make
4450 second argument an U_CHAR *.
4452 * cppinit.c (builtin_array): Make name and value U_CHAR *, add
4453 length field, clean up initializer.
4454 (ISTABLE): Add __extension__ to designated-
4455 initializers version.
4456 * cpplex.c (CHARTAB): Likewise.
4458 * mbchar.c: Add dummy external declaration to the !MULTIBYTE_CHARS
4459 case so the file won't be empty.
4461 Wed May 3 21:01:46 2000 Jason Eckhardt <jle@cygnus.com>
4463 * bb-reorder.c (struct reorder_block_def): Member succ removed.
4464 (REORDER_BLOCK_SUCC): Removed.
4465 (enum reorder_skip_type): Removed.
4466 (skip_insns_between_block): Renamed to skip_insns_after_block.
4467 Removed second argument. Removed dead code and cleaned up.
4468 (make_reorder_chain): Removed use of REORDER_BLOCK_SUCC.
4469 (reorder_basic_blocks): Remove use of REORDER_SKIP_AFTER. Removed
4470 second parameter to skip_insns_after_block.
4472 Wed May 3 13:29:54 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4474 * tree.c (staticp, case LABEL_DECL): New case.
4476 2000-05-03 Richard Henderson <rth@cygnus.com>
4478 * Makefile.in (start.encap): Do not depend on LIBGCC1.
4480 * mklibgcc1.in: Fix typo last change.
4482 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
4484 * Makefile.in (WARN_CFLAGS): Add -pedantic -Wno-long-long.
4485 (LOOSE_CFLAGS): New: CFLAGS without -pedantic and -Wtraditional.
4486 (GCC_CFLAGS): Use it.
4487 (LANG_FLAGS_TO_PASS): New: SUBDIR_FLAGS_TO_PASS with LOOSE_CFLAGS.
4488 * cp/Make-lang.in, java/Make-lang.in, f/Make-lang.in, ch/Make-lang.in,
4489 objc/Make-lang.in: Use it.
4491 2000-05-03 Jason R Thorpe <thorpej@zembu.com>
4493 * config/i386/i386.md (lshrqi2_cmpno): Use q not r in constraint.
4495 2000-05-03 Richard Henderson <rth@cygnus.com>
4497 * mklibgcc.in: Restrict OLDCC=GCC test to native. Equate
4498 LIBGCC1 empty with libgcc1.null.
4500 Wed May 3 12:55:46 2000 Jim Wilson <wilson@cygnus.com>
4502 * fold-const.c (extract_muldiv, case MAX_EXPR): Don't allow signedness
4505 2000-05-03 Greg McGary <gkm@gnu.org>
4507 * tree.h (tree_common): Add bounded_flag member. Remove
4508 inaccurate comment about number of remaining bits.
4509 (BOUNDED_INDIRECT_TYPE_P, BOUNDED_POINTER_TYPE_P,
4510 BOUNDED_REFERENCE_TYPE_P, MAYBE_BOUNDED_INDIRECT_TYPE_P,
4511 MAYBE_BOUNDED_POINTER_TYPE_P, MAYBE_BOUNDED_REFERENCE_TYPE_P,
4512 TREE_BOUNDED, TYPE_MAIN_VARIANTS_PHYSICALLY_EQUAL_P,
4513 TYPE_MAIN_PHYSICAL_VARIANT, TYPE_BOUNDED): New macros.
4514 (TYPE_QUAL_BOUNDED): New constant.
4515 (TYPE_QUALS): Handle bounded qualifier.
4516 (TREE_EXPR_QUALS, TREE_FUNC_QUALS): New macros.
4517 (TYPE_BOUNDED_VALUE, TYPE_BOUNDED_BASE, TYPE_BOUNDED_EXTENT,
4518 TYPE_BOUNDED_SUBTYPE, TYPE_UNBOUNDED_VARIANT, TYPE_POINTER_DEPTH,
4519 TYPE_AMBIENT_BOUNDEDNESS): New macros.
4520 (MAX_POINTER_DEPTH, VA_LIST_POINTER_DEPTH): New constants.
4521 (tree_type): Add pointer_depth member. Remove
4522 inaccurate comment about number of remaining bits.
4523 (DECL_POINTER_DEPTH): Add macro.
4524 (tree_decl): Add pointer_depth member.
4526 Wed May 3 22:52:53 2000 Denis Chertykov <denisc@overta.ru>
4528 * config/avr/avr-protos.h (test_hard_reg_class): Declared.
4529 * config/avr/avr.c (ashrhi3_out): optimized shift by 15.
4530 (lshrhi3_out): Likewise.
4531 (ashrsi3_out): bugfix in shift by 8.
4532 (test_hard_reg_class): New function.
4533 * config/avr/avr.md: Bugfix inside conditions in peepholes.
4534 (ashlhi3): removed define_expand of this pattern.
4535 (*ashlhi3_insn): renamed to ashlhi3.
4536 (ashlsi3): removed define_expand of this pattern.
4537 (*ashlsi3_insn): renamed to ashlsi3.
4538 (ashrqi3): removed define_expand of this pattern.
4539 (*ashrqi3_insn): renamed to ashrqi3.
4540 (ashrhi3): removed define_expand of this pattern.
4541 (*ashrhi3_insn): renamed to ashrhi3.
4542 (ashrsi3): removed define_expand of this pattern.
4543 (*ashrsi3_insn): renamed to ashrsi3.
4544 (lshrhi3): removed define_expand of this pattern.
4545 (*lshrhi3_insn): renamed to lshrhi3.
4546 (lshrsi3): removed define_expand of this pattern.
4547 (*lshrsi3_insn): renamed to lshrsi3.
4549 2000-05-03 Rodney Brown <RodneyBrown@pmsc.com>
4551 * config/mcore/mcore.c: Replacing inclusion of "stdio,h" with
4552 inclusion of "system.h".
4554 Wed May 3 11:43:53 2000 Jim Wilson <wilson@cygnus.com>
4556 * config/ia64/ia64.c (ia64_encode_section_info): Add check for
4559 2000-05-03 David Mosberger <davidm@hpl.hp.com>
4561 * config/ia64/ia64.c (ia64_override_options): Force -mconstant-gp
4562 if -mauto-pic is on.
4563 (ia64_epilogue_uses): Mark "gp" (r1) as used by the epilogue if
4564 -mconstant-gp is in effect and function-descriptors are being used
4565 to make indirect calls.
4566 * config/ia64/ia64.h (MASK_CONST_GP): New macro.
4567 (MASK_AUTO_PIC): Ditto.
4568 (TARGET_CONST_GP): Ditto.
4569 (TARGET_AUTO_PIC): Ditto.
4570 (TARGET_SWITCHES): Add -mconstant-gp and -mauto-pic options.
4571 (ASM_OUTPUT_DOUBLE_INT): Don't generate @fptr() if -mauto-pic or
4572 -mno-pic is in effect.
4573 (ASM_OUTPUT_XDATA_DOUBLE_INT): Ditto.
4574 * config/ia64/ia64.md (movdi): Use gen_load_gprel64() if
4575 -mauto-pic is in effect.
4576 (gprel64_offset): New pattern.
4577 (load_gprel64): Ditto.
4578 (call): Handle -mauto-pic like -mno-pic (don't use fptr). If
4579 -mconstant-gp is in effect, no need to preserve gp around direct
4581 (call_value): Ditto.
4582 * config/ia64/linux.h (PROFILE_BEFORE_PROLOGUE): Define.
4583 (FUNCTION_PROFILER): Define.
4584 * config/ia64/sysv4.h (ASM_OUTPUT_CONSTRUCTOR): Don't generate
4585 @fptr() directive when -mno-pic or -mauto-pic is in effect.
4586 (ASM_OUTPUT_DESTRUCTOR): Ditto.
4588 2000-05-03 Richard Henderson <rth@cygnus.com>
4590 * Makefile.in (STAGESTUFF): Add libgcc libgcc.mk.
4591 (libgcc1.null, libgcc1.cross, libgcc1.a): Remove targets.
4592 (libgcc1-asm.a, libgcc1.S, libgcc2.a): Remove targets.
4593 (mklibgcc, libgcc.mk): New targets.
4594 (libgcc.a): Use libgcc.mk.
4595 (stmp-multilib): Likewise.
4596 (stmp-multilib-sub): Remove.
4597 (mostlyclean): Don't delete libgcc2 temp files.
4598 * configure.in (AC_PROG_CC_C_O): Add.
4599 (NO_MINUS_C_MINUS_O): Substitute it.
4600 (all_outputs): Add mklibgcc.
4601 * mklibgcc.in: New file.
4603 2000-05-03 Jason Merrill <jason@casey.cygnus.com>
4605 * cppexp.c (op_t): Make an int.
4607 * rtlanal.c (dead_or_set_regno_p): Remove unused variable.
4609 * varasm.c (initializer_constant_valid_p): Fix parenthesis.
4611 * gensupport.c (process_rtx): Fix macros used.
4613 2000-05-03 Richard Henderson <rth@cygnus.com>
4615 * flow.c (propagate_one_insn): Also don't PROP_REG_INFO for
4616 call-clobbered registers of a call.
4618 Wed May 3 12:40:53 2000 Clinton Popetz <cpopetz@cygnus.com>
4620 * gensupport.c: New file.
4621 * gensupport.h: New file.
4622 * Makefile.in (HOST_RTL): Depend on gensupport.
4623 (gensupport.o) New rule.
4624 * genattr.c: Use gensupport for reading .md files.
4625 * genattrtab.c: Ditto.
4626 * gencodes.c: Ditto.
4627 * genconfig.c: Ditto.
4629 * genextract.c: Ditto.
4630 * genflags.c: Ditto.
4631 * genopinit.c: Ditto.
4632 * genoutput.c: Ditto.
4634 * genrecog.c: Ditto.
4635 * rtl.def (define_insn_and_split): New DEF_RTL_EXPR.
4636 * md.texi (Insn Splitting): Document define_insn_and_split.
4638 Tue May 2 00:20:30 2000 Jason Eckhardt <jle@cygnus.com>
4640 * flow.c (verify_flow_info): Added two more sanity checks. The
4641 first checks that the blocks are numbered consecutively. The second
4642 checks that n_basic_blocks is actually equal to the number of
4643 basic blocks in the insn chain.
4645 2000-05-03 Zack Weinberg <zack@wolery.cumb.org>
4647 * cpplib.h: Add accessor macros for token lists.
4648 * cpplib.c, cpphash.c, cpplex.c: Use them.
4650 Wed May 3 09:29:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4652 * expr.c (expand_expr, case COMPONENT_REF): Don't check for checking
4653 memory usage if not in a function.
4654 * varasm.c (initializer_constant_valid_p, case ADDR_EXPR): Only
4655 return address if static.
4657 Wed May 3 13:14:49 MET DST 2000 Jan Hubicka <jh@suse.cz>
4659 * ifcvt.c (noce_try_cmove_arith): Use may_trap_p to thest
4660 whether address may trap.
4662 Tue May 2 23:38:37 2000 Jason Eckhardt <jle@cygnus.com>
4664 * bb-reorder (chain_reorder_blocks): Changed code to test for
4665 EDGE_FALLTHRU rather than making erroneous assumption that the
4666 first outgoing edge is the fall-through edge.
4668 Tue May 2 18:20:31 2000 Donald Lindsay <dlindsay@hound.cygnus.com>
4670 * config/mips/mips.c (mips_build_va_list,mips_va_start,mips_va_arg): new
4671 ABI for varargs, across all MIPS. This is incompatible because the
4672 va_list (__builtin_va_list) structure is different, so a compilation
4673 unit passing a va_list and a compilation unit being passed one, should
4674 both be compiled with the same ABI. (The old structure had two
4675 pointers, now it has three.)
4677 Tue May 2 19:18:43 2000 Jason Eckhardt <jle@cygnus.com>
4679 * bb-reorder.c (struct reorder_block_def): Remove members end,
4680 block_begin, and block_end.
4681 (REORDER_BLOCK_OLD_END): Delete.
4682 (REORDER_BLOCK_BEGIN): Delete.
4683 (REORDER_BLOCK_END): Delete.
4684 (chain_reorder_blocks): Remove dead code.
4686 Tue May 2 17:06:53 2000 Jason Eckhardt <jle@cygnus.com>
4688 * bb-reorder.c (remove_scope_notes): Check for both types of scope
4689 notes as the end of a basic block before deleting.
4691 2000-05-02 Mumit Khan <khan@xraylith.wisc.edu>
4693 * final.c (final_start_function): Fix spelling of "necessary".
4695 2000-05-02 Jason Merrill <jason@casey.cygnus.com>
4697 * toplev.c (debug_ignore_block): Return int.
4698 * dwarf2out.c (dwarf2out_ignore_block): Likewise.
4699 * toplev.h, dwarf2out.h: Adjust.
4700 * emit-rtl.c (remove_unnecessary_notes): Test return value.
4702 * emit-rtl.c (remove_unnecessary_notes): Fix spelling of "necessary".
4703 * toplev.c, final.c, rtl.h: Adjust.
4705 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
4707 * aclocal.m4 (gcc_AC_CHECK_PROG_VER): New macro.
4708 * configure.in: Look for makeinfo in the unified tree, then
4709 for a system makeinfo which is sufficiently new.
4710 * Makefile.in: If configure says makeinfo is too old, don't
4711 build or install Info documentation.
4713 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
4715 * cpphash.c (collect_params): Fix off-by-one error.
4716 (dump_hash_helper): Dump all four macro nodetypes.
4718 2000-05-02 Jakub Jelinek <jakub@redhat.com>
4720 * cpphash.c (trad_stringify): Adjust p after stringification as
4723 2000-05-02 Zack Weinberg <zack@wolery.cumb.org>
4725 * cpplib.h (CPP_POP, parse_cleanup_t): Delete.
4726 (cpp_buffer): Remove cleanup, seen_eof, manual_pop members.
4728 * cppfiles.c (file_cleanup): Delete.
4729 * cpphash.c (macro_cleanup): Delete.
4730 (collect_objlike_expansion, collect_funlike_expansion,
4731 macarg, scan_arguments): Remove CPP_POP case.
4733 * cpplex.c (null_cleanup): Delete.
4734 (cpp_pop_buffer): Do the work that was done in the cleanups
4735 here. Call _cpp_unwind_if_stack from here.
4736 (_cpp_expand_to_buffer, cpp_scan_buffer_nooutput,
4737 cpp_scan_buffer): Run until we see CPP_EOF and the top of
4738 stack is the buffer _below_ the one we stacked.
4739 (cpp_get_token): Always pop an exhausted buffer. Return
4740 CPP_EOF unless it's a macro buffer. Don't call _cpp_handle_eof.
4741 * cpplib.c (skip_if_group): Don't call cpp_get_token to
4742 increment the line number.
4743 (_cpp_handle_eof): Rename to _cpp_unwind_if_stack.
4745 * fix-header.c (read_scan_file) [parsing getchar()]: Run until
4746 we see CPP_EOF and the top of stack is the buffer _below_ the
4748 * scan-decls.c: Likewise.
4750 2000-05-02 Andrew Haley <aph@cygnus.com>
4752 * config/ia64/ia64.c (ia64_encode_section_info): Handle the case
4753 where this function is called for the second time on a decl that
4754 has had its section info changed in such a way as to move it out
4756 * config/ia64/ia64.h (REDO_SECTION_INFO_P): New definition.
4758 2000-05-01 Richard Henderson <rth@cygnus.com>
4760 * ifcvt.c (dead_or_predicable): Set merge_bb->end to the insn before
4761 the sequence we're moving, not to merge_bb->head.
4763 2000-05-01 Richard Henderson <rth@cygnus.com>
4765 * configure.in (alpha*-*-linux-gnulibc1*) [tmake_file]: Remove
4766 reference to alpha/t-linux.
4767 (alpha*-*-linux-gnu*): Likewise.
4768 * configure: Rebuild.
4770 * calls.c (expand_call): Don't emit reg notes for a sibcall.
4772 * flow.c (calculate_global_regs_live): Skip for_each_successor_phi
4775 * ifcvt.c (if_convert): Only verify_flow_info if ENABLE_CHECKING.
4777 2000-05-01 Jason Merrill <jason@casey.cygnus.com>
4779 * integrate.c (copy_decl_for_inlining): Copy TREE_READONLY and
4782 2000-05-01 Richard Henderson <rth@cygnus.com>
4784 * ifcvt.c (noce_emit_cmove): Conditionally compile call to
4785 emit_conditional_move.
4787 2000-05-01 Jakub Jelinek <jakub@redhat.com>
4789 * config/ia64/linux.h (LINK_SPEC): Use /lib/ld-linux-ia64.so.1
4790 as the dynamic linker.
4792 2000-05-01 Zack Weinberg <zack@wolery.cumb.org>
4794 * cppfiles.c (open_include_file): Open file in blocking mode.
4795 (read_include_file): Don't fcntl(fd, F_SETFL, 0) anymore.
4796 Only exclude block devices and directories.
4798 * cpphash.c (_cpp_make_hashnode): Rename make_HASHNODE, now
4799 static. Allocate the hashnode and its string in the same
4801 (del_HASHNODE): Don't free h->name.
4802 (_cpp_lookup): If there is no entry for this string, create
4803 one, of type T_VOID.
4804 (_cpp_lookup_slot): Delete.
4805 * cpphash.h: Update prototypes.
4807 * cpplex.c (maybe_macroexpand): Check for hp->type == T_VOID,
4809 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert,
4810 do_unassert, cpp_defined): Use _cpp_lookup. Don't create a
4811 node here, just fill in the value field properly. "Delete"
4812 entries by setting the value field to T_VOID. Check for
4813 hp->type == T_VOID, not hp == NULL.
4815 * Makefile.in (cpplib.o): Don't depend on $(HASHTAB_H).
4816 * cpperror.c, cppexp.c, cpplex.c, cpplib.c: Don't include
4819 2000-05-01 Alexandre Oliva <aoliva@cygnus.com>
4821 * config/mn10300/mn10300.c (print_operand_address): Do not add
4824 * config/mn10300/mn10300.c (expand_epilogue): If SP is to be
4825 adjusted by less than 256 bytes, use ret regardless of having any
4826 callee-saved register to restore.
4828 2000-05-01 Laurynas Biveinis <lauras@softhome.net>
4830 * tm.texi (TARGET_HAS_F_SETFLKW): Fix typo.
4832 2000-05-01 Mark Elbrecht <snowball3@bigfoot.com>
4834 * config/i386/djgpp.h (INT_ASM_OP): Define.
4835 (CPP_PREDEFINES): Rename MSDOS to __MSDOS__.
4836 (ASM_WEAKEN_LABEL): Define.
4837 (MASK_BNU210): Define.
4838 (SUBTARGET_SWITCHES): Define.
4839 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Define.
4840 (MAKE_DECL_ONE_ONLY): Define.
4841 (UNIQUE_SECTION_P, UNIQUE_SECTION): Define.
4843 2000-05-01 Mumit Khan <khan@xraylith.wisc.edu>
4845 * i386/cygwin.h (INT_ASM_OP): Define.
4847 Mon May 1 18:20:06 2000 Denis Chertykov <denisc@overta.ru>
4849 * config/avr/avr.c (address_cost): renamed to avr_address_cost.
4850 * config/avr/avr.h (ADDRESS_COST): use avr_address_cost.
4852 Mon May 1 17:50:44 2000 Denis Chertykov <denisc@overta.ru>
4854 * config/avr/avr.c (asm_file_start): output 0 as r0 and 1 as r1 in
4855 __tmp_reg__ and __zero_reg__ initialization.
4857 2000-04-30 Richard Henderson <rth@cygnus.com>
4859 * flow.c (propagate_one_insn): Mark sets even when the insn is dead.
4861 * ifcvt.c (noce_process_if_block): Fail the conversion if X is
4862 referenced bewteen the condition and the jump. Don't delete
4863 anything but the jump.
4865 Sun Apr 30 22:48:24 2000 Jason Eckhardt <jle@cygnus.com>
4867 * bb-reorder.c (scope_def): New struct.
4868 (scope_forest_info): New struct.
4869 (struct reorder_block_def): New member "scope".
4870 (REORDER_BLOCK_SCOPE): New macro.
4871 (relate_bbs_with_scopes): New function and prototype.
4872 (make_new_scope): Likewise.
4873 (build_scope_forest): Likewise.
4874 (remove_scope_notes): Likewise.
4875 (insert_intra_1): Likewise.
4876 (insert_intra_bb_scope_notes): Likewise.
4877 (insert_inter_bb_scope_notes): Likewise.
4878 (rebuild_scope_notes): Likewise.
4879 (free_scope_forest_1): Likewise.
4880 (free_scope_forest): Likewise.
4881 (dump_scope_forest): Likewise.
4882 (dump_scope_forest_1): Likewise.
4883 (chain_reorder_blocks): Set REORDER_BLOCK_SCOPE for new block.
4884 Update REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for new
4886 (reorder_basic_blocks): Added calls to build_scope_scope_forest
4887 and remove_scope_notes before reordering is done. Added calls to
4888 rebuild_scope_notes, free_scope_forest, and reorder_blocks after
4889 after reordering is done.
4891 2000-40-30 Bruce Korb <bkorb@gnu.org>
4893 * fixinc/inclhack.def: Added definitions needed by OSR5,
4894 removed two stale entries (defined away with OLD_CPP).
4895 * fixinc/inclhack.sh: regen
4896 * fixinc/fixincl.x: regen
4898 2000-04-30 Richard Henderson <rth@cygnus.com>
4900 * ifcvt.c (dead_or_predicable): Manually squeeze non-movable notes
4901 from the last insn in the sequence.
4903 2000-04-30 Zack Weinberg <zack@wolery.cumb.org>
4905 * cpplex.c (cpp_idcmp): New function.
4906 * cpplib.h: Prototype it.
4907 * scan_decls.c (scan_decls): Use it to inspect token names.
4908 * fix-header.c (read_scan_file): Likewise. Set system_header_p on
4909 the file being run through the preprocessor.
4910 (check_macro_names): Provide length of token to cpp_defined.
4912 * Makefile.in: Remove stale warning message.
4914 * cppfiles.c (redundant_include_p): Provide length of token to
4916 * cpphash.c (_cpp_make_hashnode, _cpp_lookup_slot): Hash
4917 values are unsigned int.
4918 (_cpp_lookup, _cpp_lookup_slot): Do not calculate the length.
4919 (_cpp_lookup_slot): Do not calculate the hash, either.
4920 * cpphash.h: Update prototypes.
4921 * cpplib.c (do_define, do_undef, do_pragma_poison, do_assert):
4922 Hashes are unsigned int. Calculate hash here, pass by value
4923 to _cpp_lookup_slot.
4925 2000-04-30 Bernd Schmidt <bernds@cygnus.co.uk>
4927 * simplify-rtx.c (check_value_useless): Delete function.
4928 (discard_useless_locs): Don't call it; manage N_USELES_VALUES counter
4930 (cselib_invalidate_regno): Likewise.
4931 (cselib_invalidate_mem_1): Likewise.
4932 (references_value_p): Recognize useless values by the fact that they
4934 (discard_useless_values): Likewise.
4935 (cselib_record_set): This may turn a useless value
4938 2000-04-30 Richard Henderson <rth@cygnus.com>
4940 * config/d30v: New port.
4942 * configure.in (d30v-*): Set fp format.
4943 * configure: Rebuild.
4945 2000-04-30 Richard Henderson <rth@cygnus.com>
4947 * ifcvt.c: New file.
4948 * Makefile.in (OBJS): Add it.
4949 (ifcvt.o): New target.
4950 * jump.c (jump_optimize_1): Remove all code related to if-conversion,
4951 and conditional arithmetic.
4952 (find_insert_position): Remove.
4953 * timevar.def (TV_IFCVT, TV_IFCVT2): New.
4954 * toplev.c (DFI_ce, DFI_ce2): New.
4955 (dump_file): Add ce and ce2 dumps.
4956 (rest_of_compilation): Run if_convert a couple o times. Set
4957 cse_not_expected after cse2. Don't set no_new_pseudos until
4958 after sched1 or recompute_reg_usage.
4960 2000-04-30 Richard Henderson <rth@cygnus.com>
4962 * config/alpha/t-crtbe (crtbegin.o): Add "-I.".
4963 (crtend.o, crtbeginS.o, crtendS.o): Likewise.
4965 2000-04-30 Richard Henderson <rth@cygnus.com>
4967 * flow.c (struct reg_cond_life_info): New.
4968 (struct propagate_block_info): Add reg_cond_dead and reg_cond_reg.
4969 (init_propagate_block_info): Initialize them.
4970 (free_propagate_block_info): Destruct them.
4971 (mark_set_1): Consider conditional life before killing a register.
4972 (mark_regno_cond_dead): New.
4973 (free_reg_cond_life_info): New.
4974 (flush_reg_cond_reg_1, flush_reg_cond_reg): New.
4975 (ior_reg_cond, not_reg_cond, nand_reg_cond): New.
4976 (mark_used_reg): Record conditional life.
4978 * haifa-sched.c (schedule_insns): Disable death counting
4979 sanity check for HAVE_conditional_execution.
4981 2000-04-30 Richard Henderson <rth@cygnus.com>
4983 * Makefile.in (TIMEVAR_H): New.
4984 (ggc-simple.o, ggc-page.o, toplev.o, timevar.o): Use it.
4985 (timevar.h): Remove rule.
4987 2000-04-29 Richard Henderson <rth@cygnus.com>
4989 * config/alpha/crtend.asm: Use C comments instead of #.
4990 * config/alpha/crtbegin.asm: Likewise. Mark __dso_handle hidden.
4992 * config/alpha/elf.h (SELECT_SECTION): Treat CONSTRUCTOR like VAR_DECL.
4994 2000-04-29 Zack Weinberg <zack@wolery.cumb.org>
4996 * cpphash.h (enum node_type: Take out T_MCONST.
4997 (union hashval): Move into struct hashnode.
4998 (struct hashnode): Pack tighter. Remove file, line, col
5000 * cpphash.c: Constify most of the macro-definition structures.
5001 (struct definition): Replace by struct object_defn
5002 and struct funct_defn. Put file, line, column information
5003 here. All users updated to match.
5004 (_cpp_create_definition, _cpp_macroexpand): Remove special
5005 case for #define WORD OTHERWORD.
5006 * cpplib.c (do_undef): Remove T_MCONST case.
5008 * cpphash.h: Move struct reflist, struct definition, and the
5009 DEFINITION typedef to cpphash.c. Use 'struct definition *' in
5010 union hashval. _cpp_free_definition takes a HASHNODE pointer.
5011 * cpphash.c (_cpp_free_definition): Free data pointed to by
5012 MCONST, XCONST, MACRO, and FMACRO nodes properly.
5013 (_cpp_create_definition, del_HASHNODE): Just call
5014 _cpp_free_definition to clear out a hashnode.
5015 * cpplib.c (do_pragma_poison): Likewise.
5017 Sat Apr 29 12:25:17 2000 Alexandre Oliva <aoliva@cygnus.com>
5019 * config/mn10300/mn10300.h (FIRST_DATA_REGNUM,
5020 LAST_DATA_REGNUM, FIRST_ADDRESS_REGNUM, LAST_ADDRESS_REGNUM,
5021 FIRST_EXTENDED_REGNUM, LAST_EXTENDED_REGNUM): New macros.
5022 (REGNO_SP_P): Redefine in terms of STACK_POINTER_REGNUM.
5023 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_EXTENDED_P,
5024 REGNO_AM33_P): Redefine in terms of the new macros.
5025 (CONDITIONAL_REGISTER_USAGE, REGNO_REG_CLASS): Likewise.
5026 (FUNCTION_VALUE, LIBCALL_VALUE, FUNCTION_VALUE_REGNO_P,
5027 STRUCT_VALUE): Likewise.
5028 (STACK_POINTER_REGNUM, FRAME_POINTER_REGNUM,
5029 ARG_POINTER_REGNUM, STATIC_CHAIN_REGNUM): Likewise. Moved.
5031 Sat Apr 29 01:18:45 MET DST 2000 Jan Hubicka <jh@suse.cz>
5033 * regmove.c (struct record_stack_memrefs_data): New.
5034 (record_stack_memrefs): New function.
5035 (combine_stack_adjustments_for_block): Use it.
5037 Sat Apr 29 01:15:27 MET DST 2000 Jan Hubicka <jh@suse.cz>
5039 * calls.c (calls_function_1): Propertly handle TREE_LIST expressions;
5040 use special_function_p to detect alloca.
5042 Fri Apr 28 16:30:33 2000 Marc Espie <espie@cvs.openbsd.org>
5044 * gcc.texi: Fixes for makeinfo 4.0 --html.
5046 2000-04-28 Zack Weinberg <zack@wolery.cumb.org>
5048 * pcp.h: Delete file.
5050 2000-04-28 Kazu Hirata <kazu@hxi.com>
5052 * h8300.c (function_epilogue): Clean up flags when the last insn
5053 in a function is a barrier.
5055 2000-04-28 Chris Demetriou <cgd@sibyte.com>
5057 * configure.in (sparc-hal-solaris2*): protect [] glob from
5059 (mips*-*-ecoff*, mips*-*-elf*, mips*-*-*): use MASK_ defines
5060 rather than hard-coded constants in target_cpu_default2.
5061 * configure: Regenerate.
5063 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
5065 * tree.c (get_callee_fndecl): Extract the initial value from
5068 2000-04-28 Richard Henderson <rth@cygnus.com>
5070 * varasm.c (record_constant_1): Record the CODE_LABEL when
5071 taking the address of a LABEL_REF.
5073 2000-04-28 Richard Henderson <rth@cygnus.com>
5074 Jan Hubicka <jh@suse.cz>
5076 * calls.c (combine_pending_stack_adjustment_and_call): Return the
5077 adjustment; don't do the stack adjust.
5078 (expand_call): Call compute_argument_block_size right before
5079 allocating the block; update comment; don't do alignment sanity
5080 checking for sibling call; use args_size instead of
5081 unadjusted_args_size before args_size is adjusted. Use
5082 combine_pending_stack_adjustment_and_call to compute stack adjust
5083 for must_preallocate case.
5085 * expr.c (push_block): Remove shadow `temp' in inner scope.
5087 2000-04-28 Jason Merrill <jason@casey.cygnus.com>
5089 * toplev.c (rest_of_compilation): Call
5090 note_deferral_of_defined_inline_function even if the function
5093 2000-04-28 Scott Bambrough <scottb@netwinder.org>
5095 * cpplex.c (_cpp_scan_line): Fix buffer overwrite.
5097 2000-04-28 Richard Henderson <rth@cygnus.com>
5099 * toplev.c (rest_of_type_compilation): Fix sdb TIMEVAR typo.
5101 2000-04-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5103 * timevar.c (init_timevar): DeANSIfy function definition.
5105 2000-04-27 Alex Samuel <samuel@codesourcery.com>
5107 * Makefile.in (timevar.o): Depend on flags.h.
5108 * timevar.c (unused_stack_instances): New variable.
5109 (timevar_push): Take a timevar_stack_def from
5110 unused_stack_instances if available.
5111 (timevar_pop): Push the popped timevar_stack_def onto
5112 unused_stack_instances.
5113 (TIMEVAR_ENABLE): New macro.
5114 (timevar_def): Make standalone a 1-bit field. Add field used.
5115 (get_time): Rename parameter to now. Return after clearing it if
5117 (init_timevar): Do nothing if not TIMEVAR_ENABLE.
5118 (timevar_pop): Likewise.
5119 (timevar_stop): Likewise.
5120 (timevar_push): Likewise. Mark the timing variable as used.
5121 (timevar_start): Likewise.
5122 (timevar_print): Do nothing if not TIMEVAR_ENABLE. Don't print
5123 timevars that were never used.
5125 2000-04-27 Mark Mitchell <mark@codesourcery.com>
5127 * c-common.c (c_apply_type_quals_to_decl): REFERENCE_TYPES are
5128 always TREE_READONLY.
5130 2000-04-27 Ulrich Drepper <drepper@cygnus.com>
5132 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Generate mem reference
5133 for call instruction with mode QImode.
5135 2000-04-27 Alex Samuel <samuel@codesourcery.com>
5137 * Makefile.in (OBJS): Add timevar.o.
5138 (toplev.o): Depend on timevar.h.
5139 (ggc-simple.o): Likewise.
5140 (ggc-page.o): Likewise.
5141 (timevar.o): New rule.
5142 (timevar.h): New rule.
5144 * timevar.h: New file.
5145 * timevar.c: Likewise.
5146 * timevar.def: Likewise.
5148 * toplev.h (gc_time, parse_time, varconst_time): Remove.
5149 * toplev.c: Use timevar_push and timevar_pop instead of TIMEVAR
5151 (TIMEVAR): Remove macro.
5152 (gc_time, parse_time, varconst_time, integration_time, jump_time,
5153 cse_time, gcse_time, loop_time, cse2_time, branch_prob_time,
5154 flow_time, combine_time, regmove_time, sched_time,
5155 local_alloc_time, global_alloc_time, flow2_time, peephole2_time,
5156 sched2_time, dbr_sched_time, reorder_blocks_time,
5157 rename_registers_time, shorten_branch_time, stack_reg_time,
5158 to_ssa_time, from_ssa_time, final_time, symout_time, dump_time,
5160 (compile_file): Don't initialize time variables. Call
5161 init_timevar and start TV_TOTAL timer. Call timevar_print instead
5162 of many calls to print_time.
5163 (rest_of_compilation): Add timing for reload_cse_regs.
5164 (get_run_time): Removed to timevar.c.
5165 (print_time): Likewise.
5166 (get_run_time): Implement using TV_TOTAL time variable.
5167 (print_time): Get total run time from get_run_time.
5168 * ggc-page.c (ggc_collect): Push and pop TV_GC instead of
5169 computing elapsed time explicitly.
5170 * ggc-simple.c (ggc_collect): Likewise.
5171 (gc_time): Remove declaration.
5173 2000-04-27 Mark Mitchell <mark@codesourcery.com>
5175 * calls.c (combine_pending_stack_adjustment_and_call): New function.
5176 (expand_call): Use it.
5178 2000-04-27 Jan Hubicka <jh@suse.cz>
5180 * flow.c (mark_set_1): Handle MEMs in ZERO_EXTRACT/SIGN_EXTRACT
5183 Thu Apr 27 12:47:00 2000 Alexandre Oliva <aoliva@cygnus.com>
5185 * config/mn10300/mn10300.md (movhi): Simplify. Prefer data
5188 Thu Apr 27 17:33:05 MET DST 2000 Jan Hubicka <jh@suse.cz>
5190 * function.c (epilogue_done): Pass whole insn to record_insns.
5192 Thu Apr 27 16:55:28 MET DST 2000 Jan Hubicka <jh@suse.cz>
5194 * cse.c (CSE_ADDRESS_COST): Remove.
5195 (find_best_addr): Add new parameter "MODE", use address_cost instead
5197 (address_cost): New.
5198 (fold_rtx): Update call of find_best_addr.
5199 * rtl.h (address_cost): Declare.
5200 * loop.c (general_induction_var): Add new parameter "MODE", use
5201 address_cost instead of ADDRESS_COST
5202 (init_loop): Use address_cost instead of ADDRESS_COST.
5203 (check_insn_for_givs): Update call of general_induction_var.
5204 (find_mem_givs): Likewise.
5205 (consec_sets_giv): Likewise.
5206 * config/i386/i386.h (ADDRESS_COST): Call ix86_address_cost.
5207 * i386.c (ix86_address_cost): New.
5208 * i386-protos.h (ix86_address_cost): Declare.
5210 Thu Apr 27 11:45:16 2000 Alexandre Oliva <aoliva@cygnus.com>
5212 * config/mn10300/mn10300.md (movqi): Simplify. Prefer data
5215 Thu Apr 27 16:11:00 MET DST 2000 Jan Hubicka <jh@suse.cz>
5217 * expr.c (store_expr): Use clear_storage instead of direct memset
5220 Thu Apr 27 10:36:51 2000 Alexandre Oliva <aoliva@cygnus.com>
5222 * config/mn10300/mn10300.c (mn10300_address_cost): Test
5223 ASHIFT, AND and LABEL_REF.
5225 Thu Apr 27 15:08:46 MET DST 2000 Jan Hubicka <jh@suse.cz>
5227 * invoke.texi (-foptimize-sibling-calls): Fix.
5229 Thu Apr 27 14:54:22 MET DST 2000 Jan Hubicka <jh@suse.cz>
5231 * loop.c (load_mems) Don't use hard registers for the hoisting.
5233 * unroll.c (unroll_loop): Avoid overflow in the n_iterations
5234 calculation; rename const_equiv array in the preconditioning code
5235 from loop_unroll to loop_unroll_precondition
5237 2000-04-27 Richard Henderson <rth@cygnus.com>
5239 * flow.c (struct propagate_block_info): Remove new_dead, new_live;
5241 (propagate_one_insn): Clear it. Don't update reg_live here.
5242 (init_propagate_block_info): Update for pbi member changes.
5243 (free_propagate_block_info): Likewise.
5244 (mark_set_1): Know that zero_extract, sign_extract, and
5245 strict_low_part don't kill their argument. Alter hard subregs.
5246 Update new_set for non-CLOBBER sets. Update reg_live.
5247 (find_auto_inc): Update reg_live, not new_dead.
5248 (mark_used_reg): Update reg_live, not new_live. Examine new_set
5249 to determine if the reg in question was set this insn. Only update
5250 reg info with PROP_REG_INFO.
5252 2000-04-26 Richard Henderson <rth@cygnus.com>
5254 * flow.c (allocate_reg_life_data): Set max_regno here ...
5255 (life_analysis): ... not here.
5257 * flow.c (calculate_global_regs_live): Force stack pointer
5260 2000-04-26 Richard Henderson <rth@cygnus.com>
5262 * jump.c (redirect_exp_1): Rework from old redirect_exp. Never
5263 commit change group changes.
5264 (invert_exp_1): Similarly.
5265 (redirect_exp, invert_exp): Use them.
5266 (redirect_jump_1): New.
5267 (invert_jump_1): New.
5268 (jump_optimize_1): Remove code subsumed by condexec.c.
5269 * rtl.h (invert_jump_1, redirect_jump_1): Declare.
5271 2000-04-26 Richard Henderson <rth@cygnus.com>
5273 * rtlanal.c (dead_or_set_regno_p): Use find_regno_note.
5275 * genconfig.c (main): Set all HAVE_foo to 1.
5277 * graph.c (node_data): Use GET_NOTE_INSN_NAME instead of local array.
5279 2000-04-26 Alex Samuel <samuel@codesourcery.com>
5281 * invoke.texi: Document -fssa flag.
5283 2000-04-26 Richard Henderson <rth@cygnus.com>
5285 * flow.c (count_reg_sets_1): Remove.
5286 (count_reg_sets, count_reg_references): Remove.
5287 (recompute_reg_usage): Implement with update_life_info.
5288 Reallocate life data.
5290 2000-04-26 Richard Henderson <rth@cygnus.com>
5292 * flow.c (update_life_info): Consider blocks null to mean the
5294 (calculate_global_regs_live): Likewise.
5295 (life_analysis): Do that instead of collecting all_blocks.
5297 2000-04-26 Richard Henderson <rth@cygnus.com>
5299 * flow.c (tidy_fallthru_edge): Don't delete the jump when it's
5300 a still-valid conditional jump.
5302 2000-04-26 Richard Henderson <rth@cygnus.com>
5304 * jump.c (invert_jump): Always invert REG_BR_PROB. Do it correctly.
5306 * bb-reorder.c (reorder_basic_blocks): Don't run estimate_probability.
5307 * flow.c (calculate_loop_depth): Remove.
5308 * output.h (calculate_loop_depth): Don't declare.
5309 * toplev.c (rest_of_compilation): Expand calculate_loop_depth
5310 inline; run estimate_probability at the same time.
5312 2000-04-26 Neil Booth <NeilB@earthling.net>
5314 * cpplib.h: "~=" is not a single pp-token.
5315 * cpplex.c: Correct commentary.
5317 2000-04-26 Richard Henderson <rth@cygnus.com>
5319 * flow.c (mark_set_1): New arguments code and flags; update all
5320 callers. Track regno_first and regno_last; do HARD_REGNO_NREGS
5321 test in one place. Tidy flags tests. Don't bias REG_N_REFS by
5322 loop_depth when optimizing for size. Do new_dead update after
5323 emitting REG_UNUSED notes. Merge mark_set_reg code.
5324 (mark_set_reg): Remove.
5325 (propagate_one_insn): Use mark_set_1 for call-clobbered registers;
5326 arrange to not emit REG_UNUSED notes.
5328 2000-04-26 Richard Henderson <rth@cygnus.com>
5330 * flow.c (find_auto_inc): Use pbi->bb instead of BLOCK_FOR_INSN.
5331 * ssa.c (convert_from_ssa): Don't run compute_bb_for_insn.
5333 2000-04-26 Richard Henderson <rth@cygnus.com>
5335 * flow.c (propagate_one_insn): Break out from propagate_block.
5336 (init_propagate_block_info): Likewise.
5337 (free_propagate_block_info): Likewise.
5338 (propagate_block): Use them. Export.
5339 * basic-block.h: Declare them all.
5341 2000-04-26 Richard Henderson <rth@cygnus.com>
5343 * basic-block.h (life_analysis): Declare here ...
5344 * output.h: ... not here.
5345 * flow.c (life_analysis): Remove nregs parameter; replace
5346 remove_dead_code with flags. Remove ssa dead code check.
5347 Only init alias analysis if we'll use it.
5348 * reg-stack.c (reg_to_stack): Update life_analysis arguments.
5349 * ssa.c (convert_to_ssa): Likewise.
5350 (convert_from_ssa): Likewise.
5351 * toplev.c (rest_of_compilation): Likewise.
5353 2000-04-26 Richard Henderson <rth@cygnus.com>
5355 * flow.c (flow_delete_block): Rename from delete_block. Export.
5356 * basic-block.h (flow_delete_block): Declare.
5358 2000-04-26 David S. Miller <davem@redhat.com>
5360 * optabs.c (emit_libcall_block): Verify insns with INSN_P before
5361 taking a PATTERN of it.
5363 2000-04-26 <NeilB@earthling.net>
5365 * cpplex.c (spell_other, spell_char): Remove.
5367 (token_spelling, trigraph_map): Use unsigned chars.
5368 (_cpp_lex_line): Tidy up the switch statement.
5369 * cpplib.h: Implement spell_char with spell_string.
5372 2000-04-26 <RodneyBrown@pmsc.com>
5374 * pa/pa32-regs.h (HARD_REGNO_MODE_OK): Warning removal.
5375 * pa/pa64-regs.h (HARD_REGNO_MODE_OK): Warning removal.
5377 2000-04-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5379 * dwarf2out.c (dw_cfi_oprnd_struct, dw_fde_struct, add_fde_cfi,
5380 reg_save, dwarf2out_frame_debug_expr, dwarf2out_def_cfa,
5381 dwarf2out_window_save, dwarf2out_args_size, dwarf2out_reg_save,
5382 dwarf2out_return_save, dwarf2out_return_reg,
5383 dwarf2out_stack_adjust, dwarf2out_frame_debug, primary_filename,
5384 add_AT_lbl_id, add_AT_lbl_offset, type_tag, decl_start_label,
5385 gen_compile_unit_die, dwarf2out_init): Constify a char*.
5387 * dwarf2out.h (dwarf2out_init): Likewise.
5389 * dwarfout.c (filename_entry, primary_filename, last_filename,
5390 type_tag, output_compile_unit_die, dwarfout_init): Likewise.
5392 * tree.h (dwarf2out_def_cfa, dwarf2out_window_save,
5393 dwarf2out_args_size, dwarf2out_reg_save, dwarf2out_return_save,
5394 dwarf2out_return_reg): Likewise.
5396 2000-04-26 Andreas Jaeger <aj@suse.de>
5398 * extend.texi (Function Attributes): Fix description of pure
5401 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
5403 * integrate.c (output_inline_function): Do clear DECL_DEFER_OUTPUT
5404 before calling rest_of_compilation.
5406 2000-04-26 Andreas Jaeger <aj@suse.de>
5408 * config/mips/linux.h: Remove erroneous commit of #if 0/#endif in
5411 2000-04-25 Richard Henderson <rth@cygnus.com>
5413 * cse.c (cse_insn): Emit barrier after unconditional jump.
5415 * calls.c (expand_call): Disable tail call generation once
5416 rtx_equal_function_value_matters is false.
5418 * reg-stack.c (convert_regs_1): Treat EDGE_ABNORMAL_CALL edges
5421 2000-04-25 Jason Merrill <jason@casey.cygnus.com>
5423 * dwarf2out.c (add_bound_info): Don't crash on an unexpanded SAVE_EXPR.
5425 * dwarfout.c (output_decl): Ignore NAMESPACE_DECLs.
5427 * dwarf2out.c (gen_subprogram_die): The class-scope declaration DIE
5428 is the primary DIE for a member function.
5429 (gen_decl_die): Call set_decl_origin_self here.
5430 * dwarfout.c (output_decl): And here.
5431 * integrate.c (output_inline_function): Not here.
5432 Don't clear DECL_INLINE until after calling rest_of_compilation.
5433 (set_decl_origin_self): No longer static.
5434 * tree.h: Add prototype.
5435 * toplev.c (note_deferral_of_defined_inline_function): Only write
5436 out abstract instance for actual inlines.
5438 2000-04-25 Alexandre Oliva <aoliva@cygnus.com>
5440 * config/mn10300/mn10300.h (REG_CLASS_FROM_LETTER): Return
5441 EXTENDED_REGS only if TARGET_AM33.
5442 * config/mn10300/mn10300.md (movsi, addsi): Avoid exposing
5443 SP_REGS to register allocation and reloading unless absolutely
5445 (movsi3): Remove special-case of adding non-constants to SP.
5447 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5449 * aclocal.m4 (gcc_AC_NEED_DECLARATION): This macro now requires
5450 INCLUDES to search and does not provide any of its own. Also it
5451 now accepts optional ACTION-IF-NEEDED and ACTION-IF-NOT-NEEDED
5452 parameters. Also it does not call AC_DEFINE.
5453 (gcc_AC_NEED_DECLARATIONS): Likewise. Also this macro now calls
5454 AC_DEFINE and provides for automatic entries for autoheader.
5455 (gcc_AC_FUNC_PRINTF_PTR): Cleanup C code in test.
5457 * configure.in (gcc_AC_NEED_DECLARATIONS): Save and restore CFLAGS
5458 so we can pass -I flags and include gansidecl.h/system.h in this
5461 * acconfig.h: Delete all NEED_DECLARATION_* entries.
5463 2000-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5465 * acconfig.h (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
5466 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
5467 ENABLE_GC_ALWAYS_COLLECT): Delete entries.
5469 * configure.in (ENABLE_STD_NAMESPACE, ENABLE_CHECKING,
5470 ENABLE_TREE_CHECKING, ENABLE_RTL_CHECKING, ENABLE_GC_CHECKING,
5471 ENABLE_GC_ALWAYS_COLLECT): Use three argument form of AC_DEFINE
5472 for these macros. Clean up spacing and linewraps.
5474 2000-04-26 Jason Merrill <jason@casey.cygnus.com>
5476 * calls.c (expand_call): Use get_callee_fndecl.
5478 * print-tree.c (print_node): Print the chain of an _EXPR.
5480 Tue Apr 25 16:16:04 2000 Andrew MacLeod <amacleod@cygnus.com>
5481 Jim Wilson <wilson@cygnus.com>
5482 Andrew Haley <aph@cygnus.com>
5484 * config/ia64/crtbegin.asm: Add IA-64 unwind support. Correct alloc
5485 and gp save/restore problems.
5486 * config/ia64/crtend.asm: Add IA-64 unwind support.
5487 * config/ia64/ia64.c (ia64_compute_frame_size): Don't include pr_size
5488 in fr_pad_size calculation.
5489 (save_restore_insns): Move PR save area. Correct uses of
5490 RTX_FRAME_RELATED_P.
5491 (ia64_expand_prologue): Mark alloc with RTX_FRAME_RELATED_P.
5492 (ia64_expand_epilogue): Add eh_epilogue support.
5493 (ia64_function_prologue): Emit .prologue directive.
5494 (ia64_init_machine_status, ia64_mark_machine_status): New functions.
5495 (ia64_override_options): Set init_machine_status and
5496 mark_machine_status.
5497 (rtx_needs_barrier): Handle bsp reads and writes.
5498 (spill_offset, sp_offset, spill_offset_emitted, tmp_reg, tmp_saved):
5499 New static variables.
5500 (process_set, process_for_unwind_directive): New functions.
5501 * config/ia64/ia64.h (ASM_OUTPUT_XDATA_CHAR, ASM_OUTPUT_XDATA_SHORT,
5502 ASM_OUTPUT_XDATA_INT, ASM_OUTPUT_XDATA_DOUBLE_INT, ASM_OUTPUT_EH_CHAR,
5503 ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT, ASM_OUTPUT_EH_DOUBLE_INT): New
5505 (EH_FRAME_SECTION_ASM_OP): Define to IA_64.unwind section.
5506 (IA64_UNWIND_INFO, HANDLER_SECTION, IA64_UNWIND_EMIT): Define.
5507 (struct machine_function): Define.
5508 * config/ia64/ia64.md (bsp_value, set_bsp, eh_epilogue): New patterns.
5510 2000-04-25 Bruce Korb <bkorb@gnu.org>
5512 * fixinc/Makefile.in: make the removal of old programs more
5514 * fixinc/mkfixinc.sh: use the two new targets in the Makefile:
5515 install-bin and install-sh
5517 2000-04-25 Nick Clifton <nickc@cygnus.com>
5519 * integrate.c (FUNCTION_ATTRIBUTE_INLINABLE_P): If not
5520 defined, define to return zero.
5521 (function_cannot_inline_p): If a function has any target
5522 specific attributes, then use the macro
5523 FUNCTION_ATTRIBUTE_INLINABLE_P to allow the target to decide
5524 whether it can be inlined. If it cannot, issue a suitable
5527 * tm.texi: Add a new node 'Inlining' to document the new macro
5528 FUNCTION_ATTRIBUTE_INLINABLE_P.
5530 2000-04-25 Zack Weinberg <zack@wolery.cumb.org>
5532 * cpplib.h (struct cpp_buffer): Add 'mapped' flag; fix
5535 2000-04-25 Neil Booth <NeilB@earthling.net>
5537 Restore previous patch, plus the following fixes:
5539 * cpphash.c (_cpp_create_definition): Test PREV_WHITESPACE in
5540 flags, not CPP_OPEN_PAREN.
5541 * cpplex.c (expand_token_space, init_token_list,
5542 cpp_free_token_list): Put the dummy token at list->tokens[-1].
5543 (_cpp_lex_line, _cpp_lex_file): token list is 0-based.
5545 Tue Apr 25 14:06:40 2000 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
5547 * config/i386/freebsd.h (INT_ASM_OP): Define.
5549 Tue Apr 25 14:51:07 MET DST 2000 Jan Hubicka <jh@suse.cz>
5551 * loop.c (strength_reduce): Fix typo in the last checkin.
5553 Tue Apr 25 07:33:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5555 * stor-layout.c (finalize_record_size): Simplify to use existing
5557 (compute_record_mode): No longer static.
5558 * tree.h (compute_record_mode): New declaration.
5560 2000-04-25 Neil Booth <NeilB@earthling.net>
5562 * Revert my patch below until cause of build failures
5565 2000-04-25 Richard Henderson <rth@cygnus.com>
5567 * combine.c (combine_instructions): Add missing argument
5570 * toplev.c (rest_of_compilation): Delay sibcall optimization
5571 until after emit_eh_context.
5573 2000-04-24 Nick Clifton <nickc@redhat.com>
5575 * combine.c (combine_instructions): Do not try to combine a
5576 sequence of insns when the second insn has been replaced by a
5579 Mon Apr 24 17:34:18 2000 Mumit Khan <khan@xraylith.wisc.edu>
5581 * gcc.c (load_specs): New static function.
5582 (read_specs): Use it.
5584 * gcc.c (lookup_compiler): Make multiple passes for case
5585 insensitive filesystems.
5587 2000-04-24 Neil Booth <NeilB@earthling.net>
5589 * cpphash.c: replace HSPACE_BEFORE with PREV_WHITESPACE.
5590 * cpphash.h (_cpp_check_directive): new.
5591 * cpplex.c (handle_newline, cpp_free_token_list,
5592 init_trigraph_map, trigraph_ok, trigraph_replace,
5593 backslash_start, skip_block_comment, skip_line_comment,
5594 skip_whitespace, parse_name, parse_number, parse_string,
5595 copy_comment, _cpp_lex_line, spell_char, spell_string,
5596 spell_comment, spell_name, spell_other, _cpp_lex_file,
5597 _cpp_output_list): new.
5598 (expand_name_space): take length argument.
5599 (init_token_list): add comment list initialisation.
5600 (cpp_scan_line): use auto_expand_name_space. PREV_WHITESPACE
5601 instead of HSPACE_BEFORE.
5603 * cpplib.c (_cpp_check_directive): new
5604 * cpplib.h (cpp_name, PREV_WHITESPACE, PREV_COMMENT,
5605 DIGRAPH, UNSIGNED_INT, TOK_NAME): new.
5606 (HSPACE_BEFORE): delete.
5607 (TTYPE_TABLE): rearrange.
5608 (struct cpp_toklist): update.
5610 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5612 * aclocal.m4 (gcc_AC_HEADER_STRING, gcc_AC_FUNC_PRINTF_PTR,
5613 gcc_AC_C_VOLATILE, gcc_AC_FUNC_MKDIR_TAKES_ONE_ARG): Use the three
5614 argument form of AC_DEFINE.
5616 * configure.in (DEFAULT_LINKER, DEFAULT_ASSEMBLER,
5617 HAVE_INTTYPES_H, PACKAGE, VERSION, ENABLE_WIN32_REGISTRY,
5618 WIN32_REGISTRY_KEY, HAVE_GAS_SUBSECTION_ORDERING, HAVE_GAS_WEAK,
5619 HAVE_GAS_HIDDEN, HAVE_AS_REGISTER_PSEUDO_OP, AS_SPARC64_FLAG,
5620 HAVE_AS_OFFSETABLE_LO10, ENABLE_NEW_GXX_ABI): Likewise.
5622 * acconfig.h: Delete stubs made redundant by 3-arg AC_DEFINE.
5624 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5626 * Makefile.in (GCC_FOR_TARGET, GCC_CFLAGS, LIBGCC2_INCLUDES,
5627 deduced.h): Use -isystem, not -I, for including system headers.
5629 2000-04-24 Nick Clifton <nickc@cygnus.com>
5631 * config/fr30/fr30.md (addsi3): Do not use small add instruction if
5632 the source register is the frame pointer or arg pointer.
5633 (addsi3_small_int): Disallow if source register is the frame
5634 pointer or arg pointer.
5636 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5638 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Delete redundant
5639 call to AC_MSG_RESULT.
5641 2000-04-24 Martin v. Löwis <loewis@informatik.hu-berlin.de>
5643 * invoke.texi: Correct grammatical errors, document
5644 -fno-gnu-keywords as identical to -fno-asm for C++.
5646 2000-04-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5648 * aclocal.m4: (GCC_HEADER_STRING, GCC_NEED_DECLARATION,
5649 GCC_NEED_DECLARATIONS, GCC_FUNC_VFPRINTF_DOPRNT,
5650 GCC_FUNC_PRINTF_PTR, GCC_PROG_LN_S, GCC_PROG_LN, GCC_C_VOLATILE,
5651 AC_GCC_C_LONG_DOUBLE, GCC_FUNC_MKDIR_TAKES_ONE_ARG,
5652 EGCS_PROG_INSTALL): Rename autoconf macros with prefix gcc_AC_.
5654 * configure.in (AC_GCC_C_LONG_DOUBLE, GCC_PROG_LN, GCC_PROG_LN_S,
5655 GCC_C_VOLATILE, EGCS_PROG_INSTALL, GCC_HEADER_STRING,
5656 GCC_FUNC_VFPRINTF_DOPRNT, GCC_FUNC_PRINTF_PTR,
5657 GCC_NEED_DECLARATIONS, GCC_FUNC_MKDIR_TAKES_ONE_ARG): Invoke with
5660 2000-04-24 Mumit Khan <khan@xraylith.wisc.edu>
5662 * c-pragma.c (push_alignment): Use BITS_PER_UNIT macro.
5663 (pop_alignment): Likewise.
5664 (handle_pragma_token): Likewise.
5666 2000-04-24 Robert Lipe <robertlipe@usa.net>
5668 * tree.h (tree_decl): Member `mode' now ENUM_BITFIELD.
5670 2000-04-24 Hiroyuki Machida <machida@sm.sony.co.jp>
5672 * combine.c (try_combine): Update reg_nonzero_bits of
5673 newi2pat before newpat.
5675 Mon Apr 24 10:19:48 MET DST 2000 Jan Hubicka <jh@suse.cz>
5677 * loop.c (strength_reduce): Simplify test to INSN_P.
5678 (record_giv): Attempt to simplify the add value, use CONSTANT_P
5679 expressions instead of CONST_INT.
5680 (express_from_1): Likewise.
5682 2000-04-24 Mark Mitchell <mark@codesourcery.com>
5684 * regs.h (reg_n_max): Don't declare.
5685 * flow.c (reg_n_max): Don't define.
5686 * regclass.c (renumber): Don't initialize to zero.
5687 (regno_allocated): Likewise.
5688 (reg_n_max): Define.
5689 (allocate_reg_info): Don't initialize unnecessarily.
5691 Mon Apr 24 00:21:36 2000 Jeffrey A Law (law@cygnus.com)
5693 * genattrtab.c (find_attr): Initialize unsigned_p, func_units_p
5694 and blockage_p in the newly allocated attribute.
5696 Sun Apr 23 20:16:49 2000 Alexandre Oliva <aoliva@cygnus.com>
5698 * config/mn10300/mn10300.md (addsi): `inc4' on address
5699 registers does not modify cc, but `inc' on an extended
5702 Sun Apr 23 16:24:35 2000 Denis Chertykov <denisc@overta.ru>
5704 * reload.c (find_equiv_reg): Checks all valueno regs
5705 as a reload_reg_p regs.
5707 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
5709 * cpphash.c (collect_objlike_expansion): Add sanity check.
5710 (special_symbol): Remove case T_CONST, T_XCONST, T_MCONST. If
5711 the buffer is the empty string, return. Mark __DATE__ and
5712 __TIME__ as XCONST nodes, not MCONST.
5713 (_cpp_macroexpand): Avoid pushing an empty buffer.
5714 (funlike_macroexpand): Don't pop token_buffer here.
5716 Sun Apr 23 18:37:53 2000 Alexandre Oliva <aoliva@cygnus.com>
5718 * config/mn10300/mn10300.h (REGNO_IN_RANGE_P): New macro.
5719 (REGNO_DATA_P, REGNO_ADDRESS_P, REGNO_SP_P): New macros.
5720 (REGNO_EXTENDED_P, REGNO_AM33_P): New macros.
5721 (REGNO_OK_FOR_BASE_P): Define in terms of them.
5722 (REGNO_OK_FOR_BIT_BASE_P, REGNO_OK_FOR_INDEX_P): Likewise.
5723 (REG_OK_FOR_BASE_P): Define in terms of the REGNO macro.
5724 (REG_OK_FOR_BIT_BASE_P, REG_OK_FOR_INDEX_P): Likewise.
5726 Sun Apr 23 22:23:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
5728 * loop.c (simplify_giv_expr): Be more agressive on simplifying
5731 2000-04-23 Zack Weinberg <zack@wolery.cumb.org>
5733 * cpphash.h (struct definition): Move file, line, col members...
5734 (struct hashnode): ... here. Also add 'disabled' flag.
5735 (enum node_type): Add T_VOID, T_XCONST, T_FMACRO, and
5736 T_IDENTITY. Remove T_DISABLED.
5739 * cpphash.c (_cpp_dump_definition): Split out dump_DEFINITION.
5740 (collect_expansion): Split into collect_objlike_expansion and
5741 collect_funlike_expansion.
5742 (_cpp_macroexpand): Split out scan_arguments, stringify, and
5743 funlike_macroexpand.
5744 (_cpp_compare_defs): Rename compare_defs, make static.
5745 (_cpp_make_hashnode): Initialize hp->disabled.
5746 (macro_cleanup): Adjust for new token types. Clear
5748 (_cpp_create_definition): Move code here to determine what
5749 sort of macro it is, and code to check for redefinitions, from
5750 do_define. Implement a few simple cases without creating a
5752 (_cpp_macroexpand, special_symbol, _cpp_dump_definition):
5753 Handle the simple cases.
5754 (push_macro_expansion): Set buf->has_escapes and hp->disabled
5757 * cppinit.c (builtin_array): Change MCONST to XCONST
5759 * cpplex.c (maybe_macroexpand): Handle IDENTITY macros here;
5760 fix check for disabled and function-like macros.
5761 * cpplib.c (do_define): Move most logic to
5762 _cpp_create_definition.
5763 (do_undef): Handle new special token types.
5765 Sun Apr 23 14:27:44 MET DST 2000 Jan Hubicka <jh@suse.cz>
5767 * loop.c (maybe_eliminate_biv_1): Use GET_CODE (x) == CONST_INT instead
5768 of CONSTANT_P for mult_val; always use validate_change to update insn.
5770 2000-04-22 Zack Weinberg <zack@wolery.cumb.org>
5772 * cpphash.c (trad_stringify, add_pat): New functions.
5773 (collect_expansion): Restore support for -traditional syntax.
5774 Use trad_stringify and add_pat.
5775 (_cpp_macroexpand): Restore support for -traditional semantics.
5776 * cpplex.c (_cpp_scan_line): Don't change space_before if we
5777 get a COMMENT token.
5778 (_cpp_lex_token): Provide COMMENT tokens to caller if
5779 traditional and parsing_define_directive.
5780 (skip_comment): Warn about // comments if -Wtraditional.
5781 * cpplib.c (do_define): Fix typo. Create EMPTY nodes with
5783 (do_undef): Don't warn about undefining EMPTY nodes.
5785 Sat Apr 22 22:35:38 MET DST 2000 Jan Hubicka <jh@suse.cz>
5787 * loop.c (strength_reduce): Fix biv removal code.
5789 2000-04-22 Richard Henderson <rth@cygnus.com>
5791 * predict.c (estimate_probability): Examine both sides of
5792 a branch for no exits. Use 90% not 50% for predict taken.
5793 Reorg for one copy of note generation code.
5795 2000-04-22 Richard Henderson <rth@cygnus.com>
5797 * flow.c (mark_used_reg): Hack around rs6000 eliminable pic reg.
5799 2000-04-22 Richard Henderson <rth@cygnus.com>
5801 * diagnostic.c (init_output_buffer): Don't initialize format_args.
5802 (output_clear): Likewise.
5803 (output_printf): Use va_copy.
5804 (vline_wrapper_message_with_location): Likewise.
5805 (v_message_with_decl): Likewise.
5806 (line_wrapper_printf): VA_START infor buffer.format_args directly.
5807 * system.h (va_copy): Provide default implementation.
5809 2000-04-22 Richard Henderson <rth@cygnus.com>
5811 * predict.c (expected_value_to_br_prob): Don't bomb if op1 of
5812 the collected condition is not a constant.
5814 2000-04-22 Gabriel Dos Reis <gdr@codesourcery.com>
5816 * diagnostic.h: New file.
5818 * Makefile.in (diagnostic.o): Depends on diagnostic.h
5820 * diagnostic.c: Tweak. Rationalize the output logic. Adjust
5821 various function prototypes.
5822 (diagnostic.h): #include.
5823 (struct output_buffer): Move into diagnostic.h.
5824 (get_output_prefix): Rename to output_get_prefix. Export.
5825 (init_output_buffer): Export. Break out. Ajust intialization.
5826 (output_space_left, output_append): Export.
5827 (output_newline): Rename to output_add_newline. Export.
5828 (output_clear): Nullify additional output_buffer fields.
5829 (output_puts): Rename to output_add_string. Export.
5830 (dump_output): Rename to output_flush_on. Export.
5831 (build_location_prefix): Constify return-type.
5832 (emit_output_prefix): Rename to output_emit_prefix. Export.
5833 (set_real_maximum_length): New function.
5834 (output_set_maximum_length): Ditto
5835 (output_clear): Ditto.
5836 (output_add_character): Ditto.
5837 (output_add_integer): Ditto.
5838 (output_add_space): Ditto.
5839 (output_format): Ditto.
5840 (output_printf): Adjust buffer initialization.
5841 (vline_wrapper_message_with_location): Ditto.
5842 (v_message_with_decl): Ditto. Adjust call to output_puts
5843 and get_output_prefix.
5844 (default_print_error_function): Adjust buffer intialization.
5846 Sat Apr 22 06:45:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5848 * expr.c (preexpand_calls, case CALL_EXPR): Don't look at TYPE_SIZE
5851 Fri Apr 21 18:33:09 2000 Alexandre Oliva <aoliva@cygnus.com>
5853 * config/mn10300/mn10300.h (REGNO_REG_CLASS): Use NO_REGS instead
5856 Fri Apr 21 18:30:00 2000 Alexandre Oliva <aoliva@cygnus.com>
5858 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Provide more
5859 accurate data about SP moves.
5861 Fri Apr 21 18:28:28 2000 Alexandre Oliva <aoliva@cygnus.com>
5863 * config/mn10300/mn10300.h (ADDITIONAL_REGISTER_NAMES): Added
5864 aliases to AM33 registers.
5866 Fri Apr 21 18:26:17 2000 Alexandre Oliva <aoliva@cygnus.com>
5868 * config/mn10300/mn10300.h (REG_CLASS_CONTENTS): Added register 16
5869 to all EXTENDED bitmaps.
5871 Fri Apr 21 18:17:12 2000 Alexandre Oliva <aoliva@cygnus.com>
5873 * config/mn10300/mn10300-protos.h (mn10300_address_cost): Declare.
5874 * config/mn10300/mn10300.h (ADDRESS_COST): New macro.
5875 * config/mn10300/mn10300.c (mn10300_address_cost): New function.
5877 Fri Apr 21 18:11:56 2000 Alexandre Oliva <aoliva@cygnus.com>
5879 * config/mn10300/mn10300.md (movdi, movdf): Do not use `movu' when
5880 the operand is not constant.
5882 Fri Apr 21 14:58:29 2000 Denis Chertykov <denisc@overta.ru>
5884 * reload.c (find_equiv_reg): Checks all valueno and regno regs
5885 as a call-clobbered regs.
5887 Fri Apr 21 13:30:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5889 * rtl.c: Use NOTE_INSN_REPEATED_LINE_NUMBER and NOTE_INSN_RANGE_BEG.
5891 * rtl.def: Update comment.
5892 * function.c (expand_function): Use NOTE_INSN_REPEATED_LINE_NUMBER.
5893 * integrate.c (expand_inline_function): Likewise.
5894 * profile.c (branch_prob): Likewise.
5895 * ggc-common.c (ggc_mark_rtx_children): Use NOTE_INSN_RANGE_BEG.
5896 * print-rtl.c (print_rtx): Likewise.
5897 * haifa-sched.c (sched_analyze, unlink_other_notes): Likewise.
5898 (reemit_notes): Likewise; also use enum insn_note.
5900 * stor-layout.c (layout_decl): Only set DECL_MODE if not already set.
5901 (place_field): Properly compute know and actual alignment.
5903 * gengenrtl.c (gencode): Write obstack_alloc_rtx function start
5906 * cse.c (cse_insn): In (set REG0 REG1) case, remove a REG_EQUAL
5909 2000-04-21 Zack Weinberg <zack@wolery.cumb.org>
5911 * cpphash.c (struct arg, struct arglist): Const-ify strings.
5912 (warn_trad_stringify, duplicate_arg_p): New helper functions.
5913 (collect_expansion): Rewrite to scan over a token list.
5914 Remove -traditional support.
5915 (collect_formal_parameters): Rename to collect_params; rewrite
5916 to scan over a token list.
5917 (_cpp_create_definition): Adjust to scan a token list.
5918 (_cpp_macroexpand): Remove -traditional support.
5919 (_cpp_compare_defs): Whitespace is now canonicalized.
5920 (comp_def_part): Delete function.
5922 * cpphash.h: Update prototypes.
5923 * cpplex.c (init_token_list): Don't set lineno if there is no
5925 (pedantic_whitespace): New function.
5926 (_cpp_scan_line): Mark tokens that had hspace before. Don't
5927 consume a newline. Use pedantic_whitespace.
5928 (_cpp_lex_token): Remove support for -traditional macros.
5929 (_cpp_get_define_token): Delete.
5930 (_cpp_get_directive_token): Do the real work here. Use
5931 pedantic_whitespace.
5932 (_cpp_init_input_buffer): Initialize pfile->directbuf.
5934 * cpplib.c (get_macro_name): Delete.
5935 (do_define): Read the entire line into pfile->directbuf, then
5936 feed the token list to _cpp_create_definition.
5937 * cpplib.h (HSPACE_BEFORE): new define.
5938 (struct cpp_reader): Add a toklist member, "directbuf".
5940 * predict.c (estimate_probability): New heuristic: if a jump
5941 branches around a block with no successors, predict it taken.
5942 Disentangle control flow.
5944 2000-04-20 Richard Henderson <rth@cygnus.com>
5946 * loop.c (emit_iv_add_mult): Revert last change.
5948 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
5950 * cpplib.h (enum cpp_ttype): Add token types for all
5951 punctuators. Distinguish pp-numbers from valid C numbers.
5952 Give some tokens better names. Initialize from macro.
5953 (struct cpp_name, cpp_token, cpp_toklist): New data
5956 * cpplex.c (bump_column, expand_name_space,
5957 expand_token_space, init_token_list, cpp_output_list,
5958 _cpp_scan_line): New functions.
5959 (output_line_command): Add third argument, new line number.
5960 * cpphash.h: Update prototypes.
5961 * cppexp.c, cpphash.c, cpplib.c, scan-decls.c: Update for new
5964 2000-04-20 Richard Henderson <rth@cygnus.com>
5966 * config/alpha/alpha.c (alpha_emit_floatuns): Emit missing barrier.
5968 2000-04-20 Zack Weinberg <zack@wolery.cumb.org>
5970 * c-common.c (decl_attributes) [A_ALIAS]: Set TREE_USED on the
5973 Thu Apr 20 14:19:18 MET DST 2000 Jan Hubicka <jh@suse.cz>
5975 * loop.c (emit_iv_add_mult): Simplify it's input and emit
5976 REG_EQUAL note explaining the calculated value.
5978 * calls.c (expand_call): Avoid unnecesary precalculation
5979 and outgoing parameters space guarding for sibling calls.
5980 (store_one_arg): Likewise.
5982 Thu Apr 20 08:01:07 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5984 * toplev.c (enum dump_file_index, dump_file): Add DFI_sibling.
5985 (rest_of_compilation): Write sibling dump file and account
5986 for time as jump time.
5987 * invoke.texi: Update documentation on dump flags.
5989 2000-04-19 Marek Michalkiewicz <marekm@linux.org.pl>
5991 * avr.c: #include "system.h" instead of <stdio.h> and <stdlib.h>.
5993 2000-04-19 Zack Weinberg <zack@wolery.cumb.org>
5995 * cpphash.c (special_symbol): Represent an empty macro with
5996 "\r \r " not just "\r ".
5997 (_cpp_macroexpand): Correct condition for the foo ( ) special
5999 (unsafe_chars): Handle EOF as second argument.
6000 (push_macro_expansion): Simplify test for removing escape at
6001 end. Do not trim both escapes if there is no text in between.
6003 2000-04-19 Jim Blandy <jimb@redhat.com>
6005 * dwarf2out.c (DWARF2_ADDR_SIZE): New macro. Use it instead
6006 of PTR_SIZE, when appropriate.
6008 2000-04-19 Mark Mitchell <mark@codesourcery.com>
6010 * system.h (ONLY_INT_FIELDS): Make sure it is defined.
6011 (USE_ENUM_BITFIELDS): Fix typo.
6013 Wed Apr 19 12:14:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6015 * stor-layout.c (place_field): Set rli->offset_align properly.
6017 2000-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6019 * mips.h (BITS_PER_WORD, UNITS_PER_WORD, UNITS_PER_FPREG,
6020 INT_TYPE_SIZE, LONG_TYPE_SIZE, POINTER_SIZE, POINTER_BOUNDARY,
6021 PARM_BOUNDARY): Remove unnecessary casts.
6023 Wed Apr 19 12:02:37 MET DST 2000 Jan Hubicka <jh@suse.cz>
6025 * calls.c (precompute_arguments): Remove must_preallocate and
6027 (expand_call): Update call of precompute_arguments.
6029 * loop.c (check_insn_for_bivs, for_every_insn_in_loop,
6030 check_insn_for_givs): Break out from ...
6031 (strength_reduce) ... here; use for_every_insn_in_loop to call
6032 check_insn_for_givs.
6033 * loop.h (for_every_insn_in_loop): Declare.
6034 (loop_insn_callback): New type.
6036 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
6038 * cpplib.c (do_pragma_poison): Strings in the token buffer are
6041 Tue Apr 18 16:04:12 2000 Jim Wilson <wilson@cygnus.com>
6043 * config/ia64/sysv4.h (SELECT_SECTION): Use data_section if
6046 2000-04-18 Zack Weinberg <zack@wolery.cumb.org>
6048 * cccp.c, cexp.y, cexp.c, cccp.1: Removed.
6050 * configure.in: Delete --disable-cpplib option and all
6051 references to cpp_main.
6052 * configure: Regenerate.
6053 * Makefile.in: Remove all references to CCCP, CCCP_OBJS,
6054 @cpp_main@, cccp.c, cexp.c, cexp.y, cexp.output, cexp.o,
6055 cccp.o, cccp, or cppmain. Link cppmain.o straight to
6056 cpp$(exeext). Add --no-headers to makeinfo command line when
6057 generating INSTALL. Install and uninstall cpp.1 manpage, not
6059 * install.texi: Delete all references to cexp.y/cexp.c.
6060 Delete ancient instructions for compiling GCC on 3b1.
6061 * INSTALL: Regenerate.
6063 * cppfiles.c, cpplib.h, jump.c, protoize.c, c-lex.c, mips/t-ecoff,
6064 mips/t-elf, mips/t-r3900: Remove references to cccp.c.
6065 * convex.h, fx80.h, m68k.h, pdp11.h: Remove references to
6067 * xm-linux.h, xm-os2.h, romp.h: Remove definition of BSTRING,
6068 which is no longer tested anywhere.
6070 * cppinit.c (handle_option): Don't run error message through
6073 Tue Apr 18 14:16:47 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6075 * conflict.c (conflict_graph_add): Pass enum type to htab_find_slot.
6076 * cpperror.c (hashtab.h): Now include.
6077 * cppexp.c (hashtab.h): Likewise.
6078 * cpplex.c (hashtab.h): Likewise.
6079 * cppfiles.c (hashtab.h): Likewise.
6080 (find_include_file, _cpp_calc_hash, cpp_read_file): Pass enum type
6081 to htab_find_slot_with_hash.
6082 * cpphash.c (hashtab.h): Now include.
6083 (_cpp_lookup_slot): INSERT is now enum insert_option.
6084 * cpphash.h (_cpp_lookup_slot): Likewise.
6085 * cppinit.c (hashtab.h): Include earlier.
6086 (initialize_builtins): Pass enum to htab_find_slot.
6087 * cpplib.c (hashtab.h): Now include.
6088 (do_define, do_undef): Pass enum type to _cpp_lookup_slot.
6089 (do_pragma_poison, do_assert): Likewise.
6090 * emit-rtl.c (gen_rtx_CONST_INT): Pass enum to
6091 htab_find_slot_with_hash.
6092 * simplify-rtx.c (cselib_lookup_mem, cselib_lookup): Likewise.
6093 * tree.c (type_hash_add): Likewise.
6094 (build1): Minor cleanup.
6096 * ggc-common.c: Add missing blanks.
6097 * print-tree.c (print_node): Print DECL_OFFSET_ALIGN.
6098 * tree.h (DECL_OFFSET_ALIGN): Fix typo in comment.
6100 * stmt.c (mark_case_node): New function.
6101 (mark_case_nesting): Call it.
6103 * expmed.c (emit_store_flag): If comparing two-word integer
6104 with zero, can optimize NE, EQ, GE, and LT.
6106 * c-decl.c (mark_binding_level): Use 'for' instead of `while'.
6107 * conflict.c: Minor cleanups.
6108 * optabs.c: Add blank line
6109 * simplify-rtx.c: Minor cleanups.
6111 2000-04-18 Stan Cox <scox@cygnus.com>
6113 * gengenrtl.c (genlegend): Fix misspelling.
6115 2000-04-18 Robert Lipe <robertlipe@usa.net>
6117 * configure.in (ENUM_BITFIELDS_ARE_UNSIGNED): Added. Check that
6118 bitfields of the host compiler are not signed quantities.
6119 * config.in: Regenerate.
6120 * configure: Regenerate.
6121 * system.h (USE_ENUM_BITFIELDS): Added.
6122 (ENUM_BITFIELDS): Added.
6123 * rtl.h (rtx_def): Members `code', `mode', now ENUM_BITFIELD.
6124 (SHORT_ENUM_BUG): Deleted.
6125 * tree.h (tree_common): Members `code', `mode', `built_in_class',
6127 * config/i386/xm-sco.h (ONLY_INT_FIELDS): Deleted.
6128 (CODE_FIELD_BUG): Likewise.
6129 * config/m68k/x-apollo68 (CC): Deleted SHORT_ENUM_BUG.
6131 * config/m68k/x-ccur (X_CFLAGS): Likewise.
6133 2000-04-18 Mark Mitchell <mark@codesourcery.com>
6135 * cpplex.c (_cpp_lex_token): Don't call CPP_BUMP_LINE when the
6138 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
6140 * cppexp.c (lex): Don't assume tokens are NUL terminated.
6141 * cpplib.c (do_include, do_import, do_include_next,
6142 read_line_number, detect_if_not_defined): Likewise.
6143 * cpphash.c (collect_expansion): Likewise.
6144 (special_symbol, _cpp_macroexpand): Check return from
6146 * cpphash.h (CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q): Delete
6147 macros. Delete all uses.
6149 * gcc.dg/cpp-mi.c: Add two more test cases.
6150 * gcc.dg/cpp-mind.h, gcc.dg/cpp-mindp.h: New files.
6152 2000-04-17 Richard Henderson <rth@cygnus.com>
6154 * bb-reorder.c (fixup_reorder_chain): Don't look up new block again.
6155 (reorder_basic_blocks): If no epilogue in rtl, force last block last.
6157 2000-04-17 Mark Mitchell <mark@codesourcery.com>
6159 * function.c (expand_function_start): Use hard_function_value to
6160 compute the RTL to use for DECL_RESULT.
6162 Mon Apr 17 23:35:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
6164 * i386.c (athlon_cost): Fix lea, divide and XFmode move costs.
6165 (x86_integer_DFmode_moves, x86_partial_reg_dependency,
6166 x86_memory_mismatch_stall): New global variables.
6167 (ix86_adjust_cost): Handle MEMORY_BOTH on places MEMORY_STORE was only
6168 alloved; fix load penalties for Athlon.
6169 * i386.h (x86_integer_DFmode_moves, x86_partial_reg_dependency,
6170 x86_memory_mismatch_stall): Declare.
6171 (TARGET_INTEGER_DFMODE_MOVES, TARGET_PARTIAL_REG_DEPENDENCY,
6172 TARGET_MEMORY_MISMATCH_STALL): New.
6173 * i386.md (athlon scheduling parameters): Fix latencies according to
6174 Athlon Optimization Manual.
6175 (sahf, xchg, fldcw, leave instruction patterns): Set athlon_decode to
6177 (fsqrt instruction patterns): Set athlon_decode to direct.
6178 (movhi_1): Promote for TARGET_PARTIAL_REG_DEPENDENCY and for
6179 PARTIAL_REGISTER_STALL with !TARGET_HIMODE_MATH machines.
6180 (movqi_1): Handle promoting correctly for TARGET_PARTIAL_REG_DEPENDENCY
6181 and TARGET_PARTIAL_REGISTER_STALL machines.
6182 (pushdf_nointeger): New pattern.
6183 (pushdf_integer): Rename from pushdf.
6184 (movdf_nointger): Enable for !TARGET_INTEGER_DFMODE_MOVES machines.
6185 (movdf_intger): Disable for !TARGET_INTEGER_DFMODE_MOVES machines.
6187 2000-04-17 Richard Henderson <rth@cygnus.com>
6189 * loop.c (canonicalize_condition): Add WANT_REG argument.
6190 Stop the search if we match it.
6191 * expr.h (canonicalize_condition): Update decl.
6192 * predict.c (expected_value_to_br_prob): Use it. Track last
6193 expected value note.
6194 (find_expected_value): Remove.
6196 * reorg.c (mostly_true_jump): Always use BR_PROB if present.
6198 2000-04-17 Zack Weinberg <zack@wolery.cumb.org>
6200 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE([AC_FUNC_MMAP]).
6201 (AC_FUNC_MMAP_FILE): New macro, tests read-only private map of
6203 * configure.in: Call AC_FUNC_MMAP_FILE.
6204 * configure: Regenerate.
6205 * config.in: Regenerate.
6207 * intl/loadmsgcat.c: Test HAVE_MMAP_FILE not HAVE_MMAP.
6208 * fixinc/fixincl.c: Likewise.
6210 2000-04-17 Richard Henderson <rth@cygnus.com>
6212 * builtins.c (expand_builtin_expect): New.
6213 (expand_builtin): Call it.
6214 * builtins.def (BUILT_IN_EXPECT): New.
6215 * c-common.c (c_common_nodes_and_builtins): Declare __builtin_expect.
6216 * extend.texi: Document it.
6218 * predict.c (expected_value_to_br_prob): New.
6219 (find_expected_value): New.
6220 * basic-block.h (expected_value_to_br_prob): Declare.
6221 * toplev.c (rest_of_compilation): Invoke it.
6223 * rtl.h (NOTE_EXPECTED_VALUE): New.
6224 (NOTE_INSN_EXPECTED_VALUE): New.
6225 * rtl.c (note_insn_name): Update.
6226 * print-rtl.c (print_rtx): Reorg NOTE_LINE_NUMBER special
6227 cases; handle NOTE_INSN_EXPECTED_VALUE.
6229 2000-04-17 Jakub Jelinek <jakub@redhat.com>
6231 * config/sparc/sparc.c (eligible_for_sibcall_delay): Cannot use
6232 leaf sibcall delay slot if flag_pic.
6233 (output_sibcall): Always emit call for leaf sibcall if flag_pic.
6235 2000-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6237 * Makefile.in (stmp-fixproto): Acknowledge errors in fixproto.
6239 * fixproto: If fix-header fails, exit with an error.
6241 Mon Apr 17 14:59:36 MET DST 2000 Jan Hubicka <jh@suse.cz>
6243 * cse.c (struct check_depdendence_data): New.
6244 (check_dependence): New function.
6245 (invalidate): Use check_depdenence.
6247 2000-04-16 Mark Mitchell <mark@codesourcery.com>
6249 * dwarf2out.c (DWARF_CIE_DATA_ALIGNMENT): Adjust, now that
6250 UNITS_PER_WORD is unsigned.
6252 * tree.h (struct tree_common): Remove misleading comment.
6254 2000-04-16 Dave Pitts <dpitts@cozx.com>
6256 * Makefile.in ($(srcdir)/c-parse.y: c-parse.in): Enclose the whole
6257 message in quotes. Otherwise, IBM's make program treats the '#' as the
6258 start of a comment and ignores the remainder of the line.
6260 * c-lex.c (yylex): Change for EBCDIC, lower case characters preceed
6262 * cccp.c (initialize_char_syntax): Allow for holes in EBCDIC.
6263 * cexp.y (initialize_random_junk): Likewise.
6264 * cppfiles.c (find_include_file): Cast alloca return value.
6265 * cppinit.c (initialize_standard_includes): Likewise.
6266 * cpplib.c (cpp_define, cpp_undef): Likewise.
6267 * defaults.h (ASM_OUTPUT_ASCII): Use ISPRINT.
6268 * final.c (output_asm_insn): Allow for holes in EBCDIC.
6269 * fold-const.c (CHARMASK): New.
6270 (real_hex_to_f): Use it.
6271 * real.c (CHARMASK): New.
6272 (etoasc, asctoeg): Use it.
6273 (asctoeg): EBCDIC lower case characters preceed upper case.
6275 * i370.c (mvs_add_label): Change spacing for coding conventions.
6276 * i370.h (ASM_OUTPUT_CASE_LABEL): Change to the data CSECT for the
6277 outputing case vectors.
6278 (ASM_OUTPUT_CASE_END): New, put assembler back into code CSECT.
6279 (ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Remove page check,
6280 since vector in in the data CSECT.
6281 (ASM_OUTPUT_REG_POP, ASM_OUTPUT_REG_PUSH): Restore to correct operation.
6282 * i370.md (Many patterns): Put the length in the XL directives.
6283 (movdi): Put back STM and MVC in definition.
6284 (floatsidf2): Correct TARGET_ELF_ABI pattern and add back the LE370
6285 pattern using the TCA.
6286 * oe.h (CPP_SPEC): Added to allow trigraphs.
6287 * xm-oe.h (HOST_BITS_PER_LONGLONG): Change to 32. IBM's compiler does
6288 not support the "long long" type.
6290 2000-04-16 Mark Mitchell <mark@codesourcery.com>
6292 * config/mips/mips-protos.h (mips_legitimate_address_p): New
6294 (mips_reg_mode_ok_for_base_p): Likewise.
6295 * config/mips/mips.h (REG_OK_STRICT_P): Don't define.
6296 (REG_OK_FOR_INDEX_P): Define unconditionally.
6297 (REG_MODE_OK_FOR_BASE_P): Use mips_reg_mode_ok_for_base_p.
6298 (GO_IF_LEGITIMATE_ADDRESS): Use mips_legitimate_address_p.
6299 * config/mips/mips.c (mips16_simple_memory_operand): Adjust now
6300 that GET_MODE_SIZE is unsigned.
6301 (mips_reg_mode_ok_for_base_p): Define.
6302 (mips_legitimate_address_p): Likewise. Adjust now
6303 that GET_MODE_SIZE is unsigned.
6304 (block_move_loop): Make the number of bytes unsigned.
6305 (expand_block_move): Likewise.
6306 (function_arg): Make the loop counter unsigned to match the
6309 2000-04-16 Richard Henderson <rth@cygnus.com>
6311 * rtl.h (enum insn_note): New enumeration. Subsume
6312 NOTE_INSN_DELETED and friends.
6313 (GET_NOTE_INSN_NAME): Adjust index by NOTE_INSN_BIAS.
6314 * rtl.c (note_insn_name): Tweak string order.
6316 2000-04-15 Zack Weinberg <zack@wolery.cumb.org>
6318 * cpplex.c (_cpp_read_and_prescan): Enlarge len by setting it
6321 * cpplex.c (output_line_command): Remove debugging prints.
6322 (cpp_output_tokens): Don't write out a zero-length buffer or
6323 try to see if it has a newline in it.
6324 (_cpp_expand_to_buffer): Copy the source buffer before pushing.
6325 (_cpp_read_and_prescan): Move shift-down of pushback bytes to
6326 the end of the loop. Use memmove. Don't read past the end of
6327 the buffer. Remove trailing newlines from error messages.
6329 2004-04-16 Neil Booth <NeilB@earthling.net>
6331 * cpphash.h (SYNTAX_INCLUDE, SYNTAX_ASSERT, directive_handler): new.
6332 * cpplib.c: Add new syntax flags to directive table, and
6335 2000-04-15 Ulrich Drepper <drepper@redhat.com>
6337 * i386.c (ix86_expand_epilogue): Yes, the x86 can pop 64k at once
6340 2000-04-15 David Edelsohn <edelsohn@gnu.org>
6342 * toplev.c (display_help): Prefix "f" to "sched-verbose=".
6343 * haifa-sched.c: Update -fsched-verbose comments to use "=".
6345 Sat Apr 15 10:59:19 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6347 * Makefile.in (ggc-page.o): Now includes toplev.h.
6348 * ggc-page.c (toplev.h): Now included.
6349 (gc_time): Remove declaration.
6350 (ggc_collect): TIME now long.
6351 * toplev.c (parse_time, varasm_time, gc_time): Still global; all
6353 * toplev.h (gc_time, parse_time, gc_time): New declarations.
6355 * toplev.c: Make *_time variable long to reduce chance of overflow.
6356 (TIMEVAR): Likewise for `otime'.
6357 (print_time): Arg is now long; compute percentage in FP and round.
6358 * toplev.h (print_time): Arg is long.
6360 * tree.c: Minor whitespace changes.
6362 * configure.in (alpha*-*-*): Add config/alpha/t-alpha.
6363 * configure: Rebuilt.
6364 * libgcc2.c (__fixunstfDI): Renamed from __fixunstfdi.
6365 (__fixunsxfDI): Renamed from __fixunsxfdi.
6366 (__fixunsdfDI): Renamed from __fixunsdfdi.
6367 (__fixunssfDI): Renamed from __fixunssfdi.
6368 (__floatdisf): Use proper type in REP_BIT macro.
6369 (__fixunsxfSI): Renamed from __fixunsxfsi.
6370 (__fixunsdfSI): Renamed from __fixunsdfsi.
6371 (__fixunssfSI): Renamed from __fixunssfsi.
6372 * libgcc2.h: Add cases for MIN_UNITS_PER_WORD > 4.
6373 Change location of macros and upper-case some names as above.
6374 * longlong.h ([alpha]): Use PARAMS, not __P in decl of __udiv__qrnnd.
6375 * config/alpha/t-alpha, config/alpha/qrnnd.asm: New files.
6377 * varasm.c (assemble_variable): Add cast to remove warning.
6378 (immed_real_const_1): Only use CONST[01]_RTX if not in nested function.
6380 * flow.c (count_basic_blocks, find_basic_blocks_1): Remove last change.
6381 * optabs.c (emit_libcall_block): If have REG_EH_REGION, update
6382 region number to -1.
6384 2000-04-15 Richard Earnshaw (rearnsah@arm.com)
6386 * emit-rtl.c (unshare_all_rtl_again): Unmark everything, then
6387 call unshare_all_rtl.
6389 * arm.md (movhi): REGNO_POINTER_ALIGN is now bits.
6391 Fri Apr 14 16:58:45 2000 Jim Wilson <wilson@cygnus.com>
6393 * config/ia64/lib1funcs.asm (__divdi3, __moddi3, __udivdi3, __umoddi3):
6394 Use .s1 not .s0 for all FP instructions.
6396 2000-04-14 Zack Weinberg <zack@wolery.cumb.org>
6398 * cpplex.c (cpp_output_tokens, cpp_scan_buffer_nooutput): New public
6400 (safe_fwrite, output_line_command): New static functions.
6401 (cpp_expand_to_buffer): Now private to cpplib.
6402 (cpp_scan_buffer): Take a printer.
6404 * cpphash.h: Update prototypes.
6405 * cpplib.h: Update prototypes.
6407 (cpp_buffer): Remove last_nominal_fname.
6408 (cpp_reader): Remove lineno.
6410 * cppmain.c: Use a cpp_printer.
6411 * fix-header.c: No need to inhibit line commands. Call
6412 cpp_start_read with no printer.
6414 * cpperror.c (cpp_notice_from_errno): Provide default name.
6415 * cppfiles.c (make_IHASH, _cpp_fake_ihash): New functions.
6416 (find_include_file, cpp_read_file): Use make_IHASH.
6417 (file_cleanup): Set control_macro and clear
6418 input_stack_listing_current here.
6419 (_cpp_execute_include): Don't output entering-file marker.
6420 * cpphash.c (special_symbol): Look for the line number in the
6421 buffer, not the reader.
6422 (_cpp_macroexpand): No need to disable line commands.
6423 (_cpp_dump_definition): No need to generate line commands.
6424 (dump_hash_helper): Remove excess newline from output.
6425 * cppinit.c (dump_special_to_buffer): No need to generate line
6427 (cpp_printer_init): New.
6428 (cpp_start_read): Take a printer, and start it up if it's not
6429 NULL. No need to generate line commands.
6430 (cpp_finish): Expect no buffers stacked at all. Take a
6431 printer argument, and flush the output buffer if it's not
6433 * cpplex.c (_cpp_lex_token): Return EOF if there's no buffer.
6434 Don't put two hashes at the beginning of an assertion.
6435 (cpp_get_token): Don't increment pfile->lineno or emit line
6436 commands here. Return EOF if there's no buffer when we get
6438 * cpplib.c (do_define, skip_if_group):
6439 No need to disable line commands.
6440 (_cpp_output_line_command): Delete function.
6441 (do_line): Don't emit line commands here, but set things up so
6442 they will be emitted if necessary. Use _cpp_fake_ihash to
6443 make unique nominal_fnames if necessary.
6444 (do_elif, do_else, _cpp_handle_eof): Call cpp_error_with_line
6445 with 0 for column, not -1.
6446 (_cpp_handle_eof): Don't set the control macro here. Don't
6447 clear input_stack_listing_current here. Don't emit line
6450 2000-04-14 Geoff Keating <geoffk@cygnus.com>
6452 * config/rs6000/sysv4.h (LINK_START_SOLARIS_SPEC): Define to empty
6453 always, use the default SVR4 start address.
6455 * config/rs6000/linux.h (LINK_SPEC): Don't define.
6456 (LINK_SHLIB_SPEC): Define.
6457 (LINK_START_DEFAULT_SPEC): Define.
6458 (LINK_OS_DEFAULT_SPEC): Define.
6460 * config/rs6000/sysv4.h (ENDFILE_SPEC): Use the %(endfile_*) macros.
6462 * config/rs6000/eabi.asm (__eabi): Call __init rather than
6463 __do_global_ctors to handle constructors.
6464 * config/rs6000/sysv4.h (STARTFILE_ADS_SPEC): Use crtbegin.
6465 (STARTFILE_YELLOWKNIFE_SPEC): Likewise.
6466 (STARTFILE_MVME_SPEC): Likewise.
6467 (STARTFILE_SIM_SPEC): Likewise.
6468 (ENDFILE_ADS_SPEC): Use crtend.
6469 (ENDFILE_YELLOWKNIFE_SPEC): Likewise.
6470 (ENDFILE_MVME_SPEC): Likewise.
6471 (ENDFILE_SIM_SPEC): Likewise.
6472 (STARTFILE_SOLARIS_SPEC): Use crtbegin/crtbeginS.
6473 (ENDFILE_SOLARIS_SPEC): Use crtend/crtendS.
6474 (STARTFILE_LINUX_SPEC): Use crtbeginS for shared objects.
6475 (ENDFILE_LINUX_SPEC): Use crtendS for shared objects.
6476 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Don't build eabi-ctors.o.
6477 (EXTRA_MULTILIB_PARTS): Build crtbeginS/crtendS.
6478 (CRTSTUFF_T_CFLAGS_S): Define.
6479 * config/rs6000/eabi-ctors.c: Delete.
6481 * config/rs6000/eabi-ci.asm (__init): Align stack to 16-byte
6484 * config/rs6000/eabi-cn.asm (__init): Allow for 16-byte stack frame.
6488 Fri Apr 14 16:09:02 2000 Jim Wilson <wilson@cygnus.com>
6490 * combine.c (force_to_mode, case LSHIFTRT): Check that shift shift
6491 plus mask size is smaller or equal to the mode size.
6493 Fri Apr 14 18:07:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6495 * print-rtl.c (print_rtx, case NOTE): Don't blow up if NOTE_BASIC_BLOCK
6498 * expr.c (reload.h): Now included.
6499 (emit_block_move): Set volatile_ok when checking for movstr.
6500 (emit_move_1): Check for replacements in addresses in multi-word case.
6501 * Makefile.in (expr.o): Now includes reload.h.
6503 * flow.c (count_basic_blocks): Remove unused var PREV_CALL.
6504 Never have a LIBCALL end a basic block.
6505 (find_basic_blocks_1): Likewise.
6506 Reorganize CALL_INSN cases.
6508 * sbitmap.h (EXECUTE_IF_SET_IN_SBITMAP): Revert last change.
6510 Fri Apr 14 10:54:22 2000 Jim Wilson <wilson@cygnus.com>
6512 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Drop obsolete
6513 completers from mov.ret instruction.
6515 2000-04-14 Richard Henderson <rth@cygnus.com>
6517 * fold-const.c (extract_muldiv): Don't distribute and widen
6518 multiply across plus for non-sizetype unsigned types.
6520 2000-04-14 Richard Henderson <rth@cygnus.com>
6522 * flow.c (find_auto_inc): Don't autoinc eliminable registers.
6523 If the original source is dead in the incr insn, it's dead now.
6525 Fri Apr 14 07:40:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6527 * stor-layout.c (layout_decl): Properly compare KNOWN_ALIGN to
6528 see if DECL_BIT_FIELD needs to still be set.
6530 * tree.h (struct tree_type): Make PRECISION 9 bits and MODE 7.
6532 * dbxout.c (dbxout_type, case INTEGER_TYPE): Don't call
6533 print_int_cst_octal with something that's not an INTEGER_CST.
6535 * config/alpha/alpha.c (alpha_emit_floatuns): Ensure we pass a REG
6536 and not a SUBREG to a FLOAT rtl.
6538 Thu Apr 13 19:39:56 2000 Clinton Popetz <cpopetz@cygnus.com>
6540 * emit-rtl.c (try_split): Avoid infinite loop if the split
6541 results in a sequence that contains the original insn.
6543 2000-04-13 Andreas Jaeger <aj@suse.de>
6545 * config/mips/mips.c (expand_block_move): Pass alignment
6546 argument to move_by_pieces in bits, not bytes.
6548 * config/mips/linux.h (CPP_PREDEFINES): Also define __PIC__ and
6549 __pic__ for little endian.
6551 2000-04-13 Andreas Jaeger <aj@suse.de>
6553 * config/i386/i386-protos.h: Add prototype for
6554 uno_comparison_operator.
6556 Thu Apr 13 15:55:08 MET DST 2000 Jan Hubicka <jh@suse.cz>
6558 * alias.c (nonlocal_reference_p): Take care of CALL_INSNS's fusage.
6559 * calls.c (ECF_PURE): New flag.
6560 (emit_call_1): Handle ECF_PURE calls.
6561 (initialize_argument_information): Unset ECF_PURE flag too.
6562 (precompute_arguments): Precompute for ECF_PURE too.
6563 (expand_call): Handle ECF_PURE calls too.
6564 (emit_library_call_value_1): Rename no_queue argument to fn_type,
6565 accept value of 2 as pure function.
6566 (emit_library_call_value, emit_library_call): Rename no_queue argument
6568 * optabs.c (prepare_cmp_insn): Pass fn_type 2 to memcmp call.
6570 * tree.h (DECL_IS_PURE): New macro.
6571 (struct tree_decl): Add pure_flag.
6572 * c-common.c (enum attrs): Add attribute "pure".
6573 (init_attributes): Initialize attribute "pure"
6574 (decl_attributes): Handle attribute "pure".
6575 * extend.texi (Attribute "pure"): Document.
6576 * calls.c (expand_call): Add (mem:BLK (scratch)) to "equal from"
6578 (flags_from_decl_or_type): Support attribute "pure".
6580 2000-04-13 Jason Merrill <jason@casey.cygnus.com>
6582 * cpplex.c (_cpp_lex_token): Handle digraphs. Don't null-terminate
6583 the token except for numbers and identifiers.
6585 Thu Apr 13 00:09:16 EDT 2000 John Wehle (john@feith.com)
6587 * i386.c (ix86_expand_binary_operator,
6588 ix86_expand_unary_operator): Check no_new_pseudos
6589 instead of reload_in_progress and reload_completed.
6590 (ix86_split_ashldi, ix86_split_ashrdi,
6591 ix86_split_lshrdi): Check no_new_pseudos instead
6592 of reload_completed.
6594 2000-04-12 Jeffrey A Law (law@cygnus.com)
6596 * function.c (purge_addressof): Unshare any shared rtl created by
6597 purge_addressof and its children.
6599 2000-04-12 Mark Mitchell <mark@codesourcery.com>
6601 * function.c (aggregate_value_p): VOID_TYPE nodes are never
6604 2000-04-05 Andreas Jaeger <aj@suse.de>
6606 * config/mips/linux.h (SUBTARGET_ASM_SPEC): Use proper flags if
6607 not compiling PIC code, add flags for mabi=64.
6608 (SUBTARGET_CPP_SIZE_SPEC): New.
6609 (SUBTARGET_CPP_SPEC): New.
6610 (CPP_PREDEFINES): Define __PIC__ and __pic__. PIC code is default
6611 for MIPS/Linux and lots of code needs these defines.
6613 Wed Apr 12 22:44:11 2000 Hans-Peter Nilsson <hp@axis.com>
6615 * reorg.c (fill_slots_from_thread): Check side_effects_p when
6616 trying the "opposite arithmetic" approach.
6618 Wed Apr 12 20:51:20 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6620 * sh.h (STRUCT_VALUE): Just 0 for TARGET_HITACHI.
6621 (struct sh_args): Add new field force_mem.
6622 (INIT_CUMULATIVE_ARGS): Initialize it.
6623 (FUNCTION_ARG, FUNCTION_ARG_ADVANCE): Act on it.
6625 Wed Apr 12 17:20:41 MET DST 2000 Jan Hubicka <jh@suse.cz>
6627 * calls.c (expand_call): Do not reverse args in "equal from" field.
6628 (emit_library_call_value_1): Emit_libcall_block for const and pure
6631 Wed Apr 12 16:00:25 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
6633 * reload1.c (reload_combine): Don't enable optimization for fixed
6634 registers when encountering a BARRIER.
6636 Wed Apr 12 15:54:11 MET DST 2000 Jan Hubicka <jh@suse.cz>
6638 * builtins.c (expand_builtin_memcmp): Do expansion even with
6639 !HAVE_cmpstrsi, do libcall when gen_strcmpsi fails.
6641 * calls.c (expand_call): Do NO_DEFER_POP unconditionally once
6642 stack is propertly aligned; add sanity checking for aligned
6644 (expand_library_call_value_1): Add sanity checking for aligned
6647 Wed Apr 12 07:51:54 2000 Catherine Moore <clm@cygnus.com>
6649 * calls.c (emit_library_call_value_1): Change 3rd arg to
6650 locate_and_pad_parm to disregard the setting of partial.
6652 Wed Apr 12 08:47:38 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6654 * tree.c (unsave_expr_now_r, unsafe_for_reeval): Properly do TREE_LIST.
6656 * print-rtl.c (print_rtx): For CALL_PLACEHOLDER, output the
6657 CALL_INSN from the normal case.
6659 Fri Apr 7 12:23:04 MET DST 2000 Jan Hubicka <jh@suse.cz>
6661 * i386.c (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
6662 New global variables.
6663 (ix86_emit_epilogue_adjustment): Do not attempt to use pop for the
6665 * i386.h (x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8):
6667 (TARGET_SUB_ESP_4, TARGET_SUB_ESP_8, TARGET_ADD_ESP_4,
6668 TARGET_ADD_ESP_8): New macros.
6669 * i386.md: Add peep2s to convert esp adjustments to push and pop
6671 (pushsi_prologue, popsi_epilogue): New patterns.
6673 2000-04-12 Jakub Jelinek <jakub@redhat.com>
6675 * real.c (toe64): Remove stale #endif from the last change.
6677 2000-04-12 Stephen L Moshier <moshier@mediaone.net>
6679 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Comment.
6680 * real.c (toe64): Revert previous change.
6682 2000-04-12 Jakub Jelinek <jakub@redhat.com>
6684 * objc/objc-act.c: Include ggc.h.
6685 (objc_tree_index, objc_global_trees): Convert most of the
6686 static tree variables into a static array with previous names
6688 (objc_ellipsis_node): New variable.
6689 (lang_init): Call objc_act_parse_init and c_parse_init.
6690 Create objc_ellipsis_node.
6691 (build_selector_translation_table): Use objc_ellipsis_node instead
6693 (hack_method_prototype): Likewise.
6694 (get_arg_type_list): Likewise.
6695 (start_method_def): Likewise.
6696 (continue_method_def): Likewise.
6697 (gen_method_decl): Likewise.
6698 (ggc_mark_imp_list): New function.
6699 (ggc_mark_hash_table): New function.
6700 (objc_act_parse_init): New function.
6701 * objc/objc-act.h (objc_ellipsis_node): Add extern variable.
6702 * c-parse.in (c_parse_init): For objc add roots of objc specific
6703 local tree variables.
6704 * objc/objc-parse.y: Rebuilt.
6705 * objc/objc-parse.c: Rebuilt.
6706 (opt_parm_list): Use objc_ellipsis_node instead of (tree)1.
6708 Wed Apr 12 01:00:44 EDT 2000 John Wehle (john@feith.com)
6710 * cse.c (delete_trivially_dead_insns): Also delete insns
6711 that copy a register to itself where the destination is
6714 2000-04-11 Richard Henderson <rth@cygnus.com>
6716 * flow.c (struct propagate_block_info): Add new_dead, new_live.
6717 (propagate_block): Initialize them. Use them in parallel instead
6718 of one tmp variable, ie revert much of the 0408 and 0407 functional
6719 changes, but keep the structural changes.
6720 (mark_set_regs): Take new_dead from propagate_block_info instead.
6721 (mark_set_1, mark_set_reg): Likewise.
6722 (mark_used_regs): Likewise with new_live.
6723 (mark_used_reg): Likewise. Revert 0408 change.
6725 2000-04-11 Nick Clifton <nickc@cygnus.com>
6727 * config/arm/arm.h: (INCOMING_RETURN_ADDR_RTX): Remove Dwarf2
6729 (DWARF_FRAME_RETURN_COLUMN): Remove Dwarf2 restriction.
6731 2000-04-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
6733 * config/elfos.h (SELECT_SECTION): Decide whether to use a data or
6734 const section to output a CONSTRUCTOR based on the same conditions
6737 Tue Apr 11 09:55:59 2000 Jeffrey A Law (law@cygnus.com)
6739 * pa/long-double.h (FIX_TRUNCTFSI2_LIBCALL): Tweak for PA64.
6740 * pa/pa-protos.h (output_call): Add additional argument indicating
6741 if the call is a sibling/tail call.
6742 (compute_zdepdi_operands, output_64bit_and): Prototype new functions.
6743 (compute_64bit_ior, cmpib_comparison_operator): Likewise.
6744 (function_arg, function_arg_partial_nregs): Likewise
6745 * pa/pa.c (override_options): Always set flag_pic for TARGET_64BIT.
6746 (emit_move_sequence): Zero extend certain constants as needed
6748 (compute_zdepdi_operands, output_64bit_and): New functions.
6749 (output_64bit_ior, function_arg): Likewise.
6750 (cmpib_comparison_operator, function_arg_partial_nregs): Likewise.
6751 (compute_frame_size, hppa_expand_prologue): Handle TARGET_64BIT.
6752 (hppa_expand_epilogue, return_addr_rtx, hppa_va_arg): Likewise.
6753 (hppa_builtin_saveregs, output_cbranch, output_bb): Likewise.
6754 (output_bvb): Likewise.
6755 (output_millicode_call): Return pointer is in %r2 for TARGET_64BIT.
6756 (output_call): New argument 'sibcall'. Generate sibcall sequences
6758 (print_operand); Handle cases 'Q', 'p', and 'z' for TARGET_64BIT. For
6759 (ouput_arg_descriptor): Do not emit argument descriptors for
6761 * pa/pa.h (TARGET_PA_11, TARGET_PA_20): Only define if not already
6763 (TARGET_64BIT, PROMOTE_FUNCTION_RETURN): Define.
6764 (FUNCTION_OK_FOR_SIBALL): Define.
6765 (CPP_PA10_SPEC, CPP_PA11_SPEC, CPP_PA20_SPEC): Define.
6766 (CPP_CPU_DEFAULT_SPEC, SUBTARGET_EXTRA_SPECS, EXTRA_SPECS): Likewise.
6767 (CPP_SPEC): Use new spec infrastructure.
6768 (BITS_PER_WORD, UNITS_PER_WORD): Handle TARGET_64BIT.
6769 (STACK_BOUNDARY, FUNCTION_BOUNDARY, PIC_OFFSET_TABLE_REGNUM): Likewise.
6770 (RETURN_IN_MEMORY, EXTRA_CONSTRAINT, FIRST_PARM_OFFSET): Likewise.
6771 (REG_PARM_STACK_SPACE, STACK_POINTER_OFFSET): Likewise.
6772 (STACK_DYNAMIC_OFFSET, FUNCTION_VALUE): Likewise.
6773 (FUNCTION_ARG_PASS_BY_REFERENCE, FUNCTION_ARG_CALLEE_COPIES): Likewise.
6774 (TRAMPOLINE_TEMPLATE, TRAMPOLINE_SIZE): Likewise.
6775 (INITIALIZE_TRAMPOLINE, LEGITIMATE_CONSTANT_P): Likewise.
6776 (CONST_OK_FOR_LETTER_P, MOVE_RATIO): Likewise.
6777 (FUNCTION_ARG); Call out to C code.
6778 (FUNCTION_ARG_PARTIAL_NREGS): Likewise.
6779 (MAX_BITS_PER_WORD, MAX_LONG_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): Define.
6780 (MIN_UNITS_PER_WORD): Likewise.
6781 * pa/pa.md (cmpdi): New expander.
6782 (scc patterns, movstrsi): Not available for TARGET_64BIT.
6783 (64bit conditional arithmetic): New patterns.
6784 (absdi2, smindi3, umindi3, smaxdi3, umaxdi3): New patterns.
6785 (movsicc): Not available if modes on all the operands to not match.
6786 (movdicc): New expander and associated patterns.
6787 (64bit branches): New patterns.
6788 (pre_load, post_store): Generate appropriate code for TARGET_64BIT.
6789 (pre_ldd, post_std): New patterns.
6790 (64bit addil, load low part): New patterns.
6791 (special movsf constant): Not available for TARGET_64BIT.
6792 (movsf, movdf expanders): Force constants into memory.
6793 (32bit movdf/movdi patterns): Disable for TARGET_64BIT.
6794 (64bit movdf/movdi patterns): New patterns.
6795 (zero_extendqidi2, zero_extendhidi2, zero_extendsidi2): New patterns
6797 (extendqidi2, extendhidi2, extendsidi2): Similarly.
6798 (adddi3 expander): Allow "arith_operand" for second input.
6799 (32bit adddi3, subdi3, uaddcm): Disable for TARGET_64BIT.
6800 (64bit adddi3, subsi3, uaddcm): New patterns for TARGET_64BIT.
6801 (mulsi3 expander): Revamp slightly so it supports TARGET_64BIT too.
6802 (muldi3): New expander for TARGET_64BIT.
6803 (divsi3, udivsi3, modsi3, umodsi3): Fourth operand must be (reg:SI 2)
6805 (32bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm): Disable
6806 patterns for TARGET_64BIT.
6807 (64bit anddi3, iordi3, xordi3, andcm, negdi2, uaddcm, shadd): New
6808 patterns for TARGET_64BIT.
6809 (64bit bit insertion/extractions): New patterns for TARGET_64BIT.
6810 (64bit shifts/rotates): New patterns/expanders for TARGET_64BIT.
6811 (sibcall_epilogue): New expander.
6812 (casesi): Tweak for TARGET_64BIT.
6813 (call expanders): Set & use the outgoing argument pointer. Use the
6814 64bit call patterns as needed. Add additional arg to output_call.
6815 (call_internal_reg_64bit, call_value_internal_reg_64bit): New pattern.
6816 (sibcall, sibcall_internal_symref): New expanders.
6817 (sibcall_value, sibcall_value_internal_symref
6818 (interspace_jump): Turn into an expander + matching patterns.
6819 (canonicalize_funcptr_for_compare): Not needed for TARGET_64BIT.
6820 * pa/pa64-regs.h: Eliminate trigraph sequences.
6821 * pa/pa64-start.h (TARGET_PA_20): Fix typo.
6823 2000-04-11 Zack Weinberg <zack@wolery.cumb.org>
6825 * cppexp.c, cpphash.c, cpphash.h, cpplex.c, cpplib.c,
6826 cpplib.h, cppmain.c, fix-header.c, scan-decls.c: Replace
6827 cpp_token with cpp_ttype everywhere.
6828 * cpperror.c, cpphash.c, cpplex.c, cpplib.c, scan-decls.c:
6829 Replace cpp_buf_line_and_col with CPP_BUF_LINE and/or
6830 CPP_BUF_COL. Line and column numbers are unsigned int, not
6832 * cpplex.c (cpp_buf_line_and_col): Delete.
6833 * cpplib.h (struct cpp_buffer, struct cpp_reader): Change
6834 'long lineno' to 'unsigned int lineno'.
6835 (CPP_BUF_LINE, CPP_BUF_COL): New macros.
6837 2000-04-11 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6839 * extend.texi: ISO C99 is not a draft anymore.
6840 * invoke.texi: ISO C++ is not a draft anymore.
6841 * cpp.texi: __cplusplus is required by the ISO standard.
6843 * extend.texi (-fthis-is-variable): Undocument.
6844 * flags.h (warn_template_debugging): Remove declaration.
6845 * gcc.1 (-fall-virtual, -fenum-int-equiv, -fthis-is-variable,
6846 -Wenum-clash, -Wtemplate-debugging): Undocument.
6848 2000-04-10 Nick Clifton <nickc@cygnus.com>
6850 * config/arm/arm.h (HOST_INT): New macro: Declare a HOST_WIDE_INT
6852 (HOST_UINT): New macro: Declare an unsigned HOST_WIDE_INT
6854 (ARM_SIGN_EXTEND): Use HOST_UINT.
6855 (STRIP_NAME_ENCODING): Prevent warnings about redefinitions.
6856 (ASM_OUTPUT_LABELREF): Prevent warnings about redefinitions.
6857 (INCOMING_RETURN_ADDR_RTX): Only define if Dwarf2 is supported.
6858 (DWARF_FRAME_RETURN_COLUMN): Only define if Dwarf2 is supported.
6860 * config/arm/arm.c: (const_ok_for_arm): Use HOST_UINT.
6861 (arm_gen_constant): Use HOST_UINT.
6862 (arm_canonicalize_constant): Use HOST_UINT.
6863 (arm_reload_in_hi): Use HOST_UINT.
6864 (arm_reload_out_hi): Use HOST_UINT.
6865 (output_multi_immediate): Use HOST_UINT.
6866 (int_log2): Use HOST_UINT.
6867 (arm_poke_function_name): Use HOST_UINT.
6868 (arm_output_epilogue): Use arm_volatile_func().
6869 (output_thumb_prologue): Use arm_strip_name_encoding().
6871 Mon Apr 10 15:40:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6873 * sbitmap.c (sbitmap_a_subset_b_p): Rework loop to avoid potential
6874 of sequence point problems.
6876 2000-04-10 Nathan Sidwell <nathan@codesourcery.com>
6878 * rtl.def (ASHIFT, ROTATE, ASHIFTRT, LSHIFTRT, ROTATERT):
6880 * tree.def (LSHIFT_EXPR, RSHIFT_EXPR): Recomment.
6882 Mon Apr 10 07:21:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6884 * sbitmap.h: Whitespace changes and use upper-case macro args.
6885 (struct simple_bitmap_def): All sizes now unsigned.
6886 (EXECUTE_IF_SET_IN_SBITMAP): Internal vars now _X instead of X_.
6887 * sbitmap.c (sbitmap_alloc): N_ELMS now unsigned; also local vars.
6888 (sbitmap_vector_alloc): Parms and local vars now unsigned.
6889 (sbitmap_zero): Cast bzero arg to PTR.
6890 (sbitmap_vector_zero, sbitmap_vector_one): Parm and Local var unsigned.
6891 (sbitmap_union_of_diffs): Change loop index to unsigned and rework
6892 loop to make structure clearer.
6893 (sbitmap_not, sbitmap_difference, sbitmap_a_and_b): Likewise.
6894 (sbitmap_a_or_b, sbitmap_a_subset_b_p, sbitmap_a_or_b_and_c): Likewise.
6895 (sbitmap_a_and_b_or_c): Likewise.
6896 (sbitmap_intersection_of_succs): Minor cleanups.
6897 (sbitmap_intersection_of_preds, sbitmap_union_of_succs): Likewise.
6898 (sbitmap_union_of_preds): Likewise.
6899 (sbitmap_first_set_bit, dump_sbitmap): Local variables now unsigned.
6900 (debug_sbitmap): New function.
6902 * c-convert.c (convert): Handle REFERENCE_TYPE like POINTER_TYPE.
6903 * c-typeck.c (convert_for_assignment): Likewise.
6905 * expmed.c (init_expmed): Don't free objects we make.
6906 * emit-rtl.c (gen_rtx_CONST_INT, init_emit_once): Minor cleanups.
6908 * expr.c (get_inner_reference): Correct some WITH_RECORD_EXPR cases.
6909 (expand_expr, case CONVERT_EXPR): Pass proper alignment to store_field.
6911 * gcse.c (expr_hash_table_size): Now unsigned.
6912 (compute_ae_gen): Local variable `i' now unsigned.
6913 (compute_ae_kill, pre_insert_copies, pre_delete, pre_gcse): Likewise.
6914 (compute_transout, hoist_code): Likewise.
6915 (compute_local_properties): Likewise, also hash_table_size.
6916 (alloc_expr_hash_table): N_INSNS now unsigned.
6917 (delete_null_pointer_checks): Mark arg F as unused.
6919 * regrename.c: Minor cleanups, including chang some variables
6922 2000-04-10 Neil Booth <NeilB@earthling.net>
6924 * cpplex.c (skip_block_comment): Use pointer arithmetic rather
6926 * cpphash.h: (CPP_BUMP_BUFFER_LINE_CUR, CPP_BUMP_LINE_CUR): New.
6928 2000-04-10 Martin v. Löwis <loewis@informatik.hu-berlin.de>
6930 * invoke.texi (-fno-gnu-keywords): Remove classof, headof,
6931 __classof__, and __headof__ from the list of gnu keywords.
6932 (-ansi): Remove -foperator-names from list of implied options.
6933 Do not call it ANSI C++.
6934 (-foperator-names): Document as -fno-operator-names.
6936 2000-04-09 Zack Weinberg <zack@wolery.cumb.org>
6938 * cpphash.c (timestamp): Delete.
6939 (del_HASHNODE): If type is T_MCONST, free value.cpval.
6940 (special_symbol): Remove unnecessary braces. Remove
6941 T_VERSION. Treat T_STDC like T_CONST unless
6942 STDC_0_IN_SYSTEM_HEADERS. Render both __DATE__ and __TIME__
6943 when one is encountered, then convert them into T_MCONST
6945 * cppinit.c (builtin_array): version_string is T_MCONST.
6946 __STDC__ has a "1" in its cpval. Don't have a terminator
6947 entry. Clean up which entries are dumped.
6948 (initialize_builtins): Only __STDC__ gets the special
6949 -traditional treatment. Count the length of builtin_array.
6950 Render version_string here.
6951 * cpphash.h: Remove T_VERSION. Add T_MCONST.
6952 * cpplib.h (struct cpp_reader): Remove timebuf.
6954 2000-04-09 Richard Henderson <rth@cygnus.com>
6956 * genrecog.c (pred): Update comparison_operator for the unordered
6959 * config/i386/i386.c (no_comparison_operator): Disallow unordered
6961 (fcmov_comparison_operator): Allow UNORDERED/ORDERED.
6962 (uno_comparison_operator): New.
6963 (put_condition_code): Handle UNORDERED/ORDERED.
6964 (unsigned_comparison): Likewise.
6965 (ix86_fp_compare_mode): Broken out of ix86_expand_fp_compare.
6966 (ix86_use_fcomi_compare, ix86_prepare_fp_compare_args): Likewise.
6967 (ix86_expand_fp_compare): Use them. Take scratch as argument,
6968 update all callers. Handle all 8 unordered operators.
6969 (ix86_expand_setcc): Lose the unordered argument, update all callers.
6970 (ix86_expand_branch): Likewise. Don't fully expand fp branches.
6971 * config/i386/i386.h (PREDICATE_CODES): Update.
6972 * config/i386/i386-protos.h (ix86_expand_fp_compare): Declare.
6973 (ix86_expand_branch, ix86_expand_setcc): Update.
6974 * config/i386/i386.md (sunordered, sordered): New.
6975 (suneq, sunge, sungt, sunle, sunlt, sltgt): New.
6976 (bunordered, bordered): New.
6977 (buneq, bunge, bungt, bunle, bunlt, bltgt): New.
6978 (*fp_jcc_1, *fp_jcc_2, *fp_jcc_3, *fp_jcc_4): New.
6979 (*fp_jcc_5, *fp_jcc_6, and splitters): New.
6981 2000-04-09 Philip Blundell <philb@gnu.org>
6983 * config/arm/arm.h (ARM_NAME_ENCODING_LENGTHS): Strip `*' too.
6985 Sun Apr 9 15:16:14 EDT 2000 John Wehle (john@feith.com)
6987 * i386.md (fix_truncsfhi2, fix_truncdfhi2,
6988 fix_truncxfhi2): New patterns.
6989 * i386.c (output_fix_trunc): Handle converting to HImode.
6991 2000-04-08 Alex Samuel <samuel@codesourcery.com>
6993 * ssa.c (convert_to_ssa): Eliminate dead code when calling
6995 (convert_from_ssa): Call compute_bb_for_insn before life_analysis.
6996 (for_each_successor_phi): Change parameter to basic_block.
6997 (coalesce_regs_in_successor_phi_nodes): Likewise.
6998 (coalesce_regs_in_copies): Likewise.
6999 (compute_coalesced_reg_partition): Use basic_block instead of index.
7000 * rtl.h (convert_to_ssa): Delete.
7001 (convert_from_ssa): Likewise.
7002 (successor_phi_fn): Likewise.
7003 (for_each_successor_phi): Likewise.
7004 (in_ssa_form): Likewise.
7005 * basic-block.h (convert_to_ssa): Moved from rtl.h.
7006 (convert_from_ssa): Likewise.
7007 (successor_phi_fn): Likewise.
7008 (in_ssa_form): Likewise.
7009 (for_each_successor_phi): Likewise. Change parameter to basic_block.
7010 * flow.c (calculate_global_regs_live): Pass a basic_block to
7011 for_each_successor_phi.
7013 2000-04-08 Richard Henderson <rth@cygnus.com>
7015 * flow.c (mark_used_reg): Use reg_set_p to determine if a register
7016 was modified in the current insn.
7018 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
7020 * arm/thumb.md: Delete.
7021 * arm/thumb-protos.h: Delete.
7023 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
7025 Merge changes from merged-arm-thumb-backend-branch onto trunk.
7027 2000-04-08 Richard Earnshaw (rearnsha@arm.com)
7029 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000408
7032 * arm.md (nop): Use the standard RTL expression. Don't code as a
7034 (*arm_nop, *thumb_nop): Delete.
7036 * arm.c (const_ok_for_arm): Don't use ANSI extensions for defining
7037 constants. Use casts instead.
7038 (arm_gen_constant, arm_rtx_costs, arm_reload_in_hi, arm_reload_out_hi,
7039 output_multi_immediate, arm_poke_function_name): Likewise.
7040 * arm.h (ARM_LEGITIIMIZE_RELOAD_ADDRESS, ARM_SIGN_EXTEND,
7041 MASK_RETURN_ADDDR): Likewise.
7043 2000-03-31 Richard Earnshaw (rearnsha@arm.com)
7045 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000325
7048 * arm.md (eh_epilogue): New function.
7049 * arm.h (struct machine_function): Move to here ...
7050 * arm.c: ... from here.
7051 (arm_output_epilogue): Support epilogues for __builtin_eh_return.
7052 (thumb_exit): Extra parameter eh_ofs. All callers changed.
7053 Handle epilogues for __builtin_eh_return. Make bit-fields unsigned.
7055 2000-03-30 Nick Clifton <nickc@cygnus.com>
7057 * config/arm/semi.h (ASM_SPEC): Restore definition.
7058 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
7060 * config/arm/elf.h (ASM_SPEC): Restore definition.
7061 (SUBTARGET_EXTRA_ASM_SPEC): Define if not already defined.
7063 * config/arm/arm.h (ASM_SPEC): Remove definition.
7064 (SUBTARGET_EXTRA_ASM_SPEC): Remove definition.
7066 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
7068 * config/arm/arm.c: Disable -fschedule-insns for Thumb.
7070 2000-03-24 Nick Clifton <nickc@cygnus.com>
7072 Various formating tidyups, elimination of compile time
7073 warnings and synchronisation with internal sources:
7075 * config/arm/arm-protos.h (assemble_align): Add prototype.
7076 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
7077 (gen_comapre_reg): Rename to arm_gen_compare_reg.
7078 (arm_return_addr_rtx): Rename to arm_return_addr.
7080 * config/arm/arm.c: Include except.h.
7081 Define shorter typenames for strict minipool_node and struct
7083 (arm_return_in_memory): For WinCE return all structures <= 32 bits
7085 (gen_rotated_half_load): Rename to arm_gen_rotated_half_load.
7086 (gen_comapre_reg): Rename to arm_gen_compare_reg.
7088 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
7090 (ASM_SPEC): Define if not already defined.
7091 (ASM_OUTPUT_DEF_FROM_DECLS): Define.
7093 * config/arm/arm.md: Rename references to gen_rotated_half_load to
7094 arm_gen_rotated_half_load, and references to gen_comapre_reg to
7095 arm_gen_compare_reg.
7096 (indirect_jump): Only accept register operands.
7097 (load_indirect_jump): Keep this pattern since combine can generate
7100 * config/arm/coff.h: Include aout.h.
7101 (MULTILIB_DEFAULTS): Only define if not already defined.
7103 * config/arm/elf.h (ASM_OUTPUT_DEF_FROM_DECLS): Move definition
7104 into arm.h (so that COFF ports can support thumb based aliases).
7105 (ASM_SPEC): Move definition into arm.h
7107 * config/arm/linux-elf.h (SUBTARGET_EXTRA_ASM_SPEC): Remove
7108 redundant apcs spec.
7109 (ASM_SPEC): Move definition to arm.h
7111 * config/arm/semi.h (ASM_SPEC): Move definition to arm.h
7113 * config/arm/unknown-elf.h (ASM_OUTPUT_SECTION_NAME): Add support
7114 for entries in the .bss section
7116 2000-03-23 Nick Clifton <nickc@cygnus.com>
7118 * config/arm/arm.h (THUMB_INITIAL_ELIMINATION_OFFSET): Pass 0
7119 to thumb_far_jump_used_p.
7121 * config/arm/arm-protos.h (thumb_far_jump_used_p): Take a
7122 single integer parameter.
7124 * config/arm/arm.c (struct machine_function): Add two new
7125 fields, 'far_jump_used' and 'arg_pointer_live'.
7126 (thumb_far_jump_used_p): Once the decision has been made that
7127 far jumps might be used, always return true.
7128 If being called from the initial elimination offset macro then
7129 do not bother to perform the test if the arg pointer is not
7131 (thumb_unexpand_epilogue): Pass 1 to thumb_far_jump_used_p().
7132 (output_thumb_prologue): Pass 1 to thumb_far_jump_used_p().
7134 2000-03-23 Richard Earnshaw (rearnsha@arm.com)
7136 * arm.c (output_return_instruction): Handle more cases where we can
7137 return from a function with an ldr instruction.
7138 (arm_output_epilogue): Likewise.
7140 * arm.c (thumb_expand_prologue): Don't clobber the frame pointer
7141 if we need to push a large stack frame and there are no callee-saved
7144 * arm.c (arm_debugger_arg_offset): An offset of 0 is also valid
7145 in ARM code if the frame pointer has been eliminated.
7147 * arm.md (epilogue, *epilogue_insns, consttable_*, align_4): Renumber
7148 unspec_volatile arguments to avoid duplicates.
7149 (consttable_1, consttable_2): Fixes for big-endian mode.
7151 * arm.md (all ARM-mode load insns): Add neg_pool_range attribute
7154 Re-write constant pool code.
7155 * arm.c (minipool_node, minipool_fix): New types.
7156 (minifix): Delete type.
7157 (arm_add_minipool_constant): Delete.
7158 (arm_compute_minipool_offsets, arm_find_barrier,
7159 arm_find_minipool_constant, fixup_compare, sort_fixups): Likewise.
7160 (get_jump_table_size): Now returns HOST_WIDE_INT.
7161 (move_minipool_fix_forward_ref, add_minipool_forward_ref): New
7163 (move_minipool_fix_backward_ref, add_minipool_backward_ref): Likewise.
7164 (assign_minipool_offsets, arm_print_value): Likewise.
7165 (dump_minipool): Rewrite.
7166 (arm_barrier_cost): New function.
7167 (create_fix_barrier): New function.
7168 (push_minipool_barrier): New function.
7169 (push_minipool_fix): Record additional information about the fixup
7171 (note_invalid_constants): Remove push for (UNSPEC 3). Don't
7172 check the mode of what needs fixing.
7173 (arm_reorg): Rewrite.
7175 2000-03-08 Nick Clifton <nickc@cygnus.com>
7177 * config/arm/arm.md (indirect_jump): Force constant addresses into
7180 2000-03-01 Bernd Schmidt <bernds@cygnus.co.uk>
7182 * config/arm/arm.md: Add splitter to turn SF moves into SI moves.
7184 2000-02-24 Nick Clifton <nickc@cygnus.com>
7186 * config/arm/arm.c (thumb_expand_prologue): Make sure that stack
7187 adjust is word aligned.
7188 (thumb_expand_epilogue): Make sure that stack adjust is word
7191 * config/arm/elf.h (ASM_FILE_START): Fix type of version string.
7193 2000-02-24 Bernd Schmidt <bernds@cygnus.com>
7195 * config/arm/arm.h (THUMB_GO_IF_LEGITIMATE_ADDRESS): Allow frame
7196 pointer relative addresses.
7198 2000-02-10 Richard Earnshaw <rearnsha@arm.com>
7200 * arm.c (find_barrier): Find the last barrier within the allowed
7203 2000-02-09 Nick Clifton <nickc@cygnus.com>
7205 * config/arm/arm-protos.h: Replace PROTO with PARAMS.
7207 2000-02-09 Nick Clifton <nickc@cygnus.com>
7209 * config/arm/linux-elf.h (FUNCTION_PROFILER): Rename to
7210 ARM_FUNCTION_PROFILER.
7212 * config/arm/netbsd.h (FUNCTION_PROFILER): Rename to
7213 ARM_FUNCTION_PROFILER.
7215 * config/arm/linux-oldld.h: Imported from mainline sources.
7217 2000-02-07 Nick Clifton <nickc@cygnus.com>
7219 * config/arm/lib1funcs.asm: Merge in thumb functions from
7222 * config/arm/lib1thumb.asm: Delete.
7224 2000-02-04 Nick Clifton <nickc@cygnus.com>
7226 * config/arm/arm.c: Sychronised with current Red hat local
7228 * config/arm/arm.h: Ditto.
7229 * config/arm/arm-protos.h: Ditto.
7231 2000-02-02 Bernd Schmidt <bernds@cygnus.co.uk>
7233 * arm.c (soft_df_operand): Reject SUBREGs containing a constant.
7235 * arm.c (arm_gen_movstrqi): Generate halfword stores rather than two
7238 2000-02-02 Nick Clifton <nickc@cygnus.com>
7240 * config/arm/thumb.c (thumb_exit): Additional fix for same bug.
7242 * config/arm/arm.md (epilogue): Fix rtl checking abort because
7243 (return) was emited using an emit_insn() call.
7245 2000-01-31 Nick Clifton <nickc@cygnus.com>
7247 * config/arm/arm.c (output_thumb_prologue): Fix bug generating
7249 (thumb_exit): Move frame pointer back into hard frame pointer
7250 register if backtracing is being used.
7252 2000-01-13 Richard Earnshaw (rearnsha@arm.com)
7254 * Merge trunk code from tag merged-arm-thumb-backend-merge_20000113
7257 1999-12-15 Bernd Schmidt <bernds@cygnus.co.uk>
7259 * config/arm/arm.md (neg_pool_offset): Provide default for new
7261 (arm_movsi_insn): Add neg_pool_offset attribute.
7262 * config/arm/arm.c (arm_find_barrier): Replace arg FIX with an
7263 rtx for the insn that starts the scan and an unsigned long for its
7264 address. Add MIN_OFFSET and PINSERTED args. All callers changed.
7265 Change scan to ignore insns before MIN_OFFSET. Store size of inserted
7266 instructions in *PINSERTED.
7267 (struct minipool_fixup): Add MIN_ADDRESS elt.
7268 (sort_fixups): Compute it.
7269 (arm_reorg): Changes to support inserting pools before the insn to be
7272 1999-12-08 Bernd Schmidt <bernds@cygnus.co.uk>
7274 * config/arm/elf.h (MULTILIB_DEFAULTS): Add "marm".
7275 * config/arm/linux-elf.h (MULTILIB_DEFAULTS): Add "marm".
7276 * config/arm/coff.h (MULTILIB_DEFAULTS): Add "marm".
7278 Wed Nov 3 10:04:07 1999 Nick Clifton <nickc@cygnus.com>
7280 * config/arm/semi.h (TARGET_VERSION): Do not define if already
7282 (TARGET_DEFAULT): Do not define if already defined.
7284 Tue Nov 2 10:37:25 1999 Nick Clifton <nickc@cygnus.com>
7286 * config/arm/arm.md (anddi3): Allow disjoint source operands.
7287 (iordi3): Allow disjoint source operands.
7288 (xordi3): Allow disjoint source operands.
7289 (negdi2): Permit construction for ARM and Thumb.
7290 (arm_negdi2): Renamed version of old negdi2 pattern.
7291 (thumb_negdi2): New pattern: Only permit non-overlapping
7292 source and destination.
7294 Fri Oct 29 18:52:38 1999 Nick Clifton <nickc@cygnus.com>
7296 * config/arm/arm.c (thumb_expand_prologue): Emit a USE of the
7297 scratch low register so that it will not be deleted.
7299 Fri Oct 29 15:23:48 1999 Nick Clifton <nickc@cygnus.com>
7301 * config/arm/pe.h (ARM_PE): Define.
7303 * config/arm/arm.c (arm_valid_machine_decl_attribute): Allow
7304 interfacearm attribute if this is a PE toolchain.
7305 (output_return_instruction): Do not emit anything if the function
7306 has the naked attribute set.
7307 (is_called_in_ARM_mode): If the function has the interfacearm
7308 attribute then return true.
7309 (thumb_expand_prologue): Do not generate a prologue for naked
7311 (thumb_expand_epilogue): Do not generate an epilogie for a naked
7313 (output_thumb_prologue): Do not bother if the function is naked.
7314 Strip PE encoding from function name before emitting.
7316 Thu Oct 28 11:05:13 1999 Richard Earnshaw <rearnsha@arm.com>
7318 * arm.md (pic_load_addr): Fix constraints.
7320 * arm.md (casesi_insn): Fix mis-applied patch.
7322 * arm.md ("core" function unit): Add rules for single- and
7324 (All TARGET_THUMB patterns): Add "type" attribute information
7326 * arm.c (arm_adjust_cost): Reduce the cost of a data dependency if
7327 the following insn is a CALL.
7329 * arm.c (thumb_expand_epilogue): Add a use of the adjusted stack
7331 * arm.h (CONDITIONAL_REGISTER_USAGE): Nail down the
7332 ARM_HARD_FRAME_POINTER_REGNUM when TARGET_APCS_FRAME.
7333 (FRAME_POINTER_REQUIRED): Only check TARGET_APCS_FRAME if TARGET_ARM.
7335 Wed Oct 27 14:40:48 1999 Nick Clifton <nickc@cygnus.com>
7337 * config/arm/linux-gas.h: oops - this file was missed out when the
7338 branch was created...
7340 Tue Oct 26 17:07:38 1999 Richard Earnshaw <rearnsha@arm.com>
7342 * thumb.c: Deleted. Move contents to ...
7344 * t-arm-aout, t-arm-coff, t-arm-elf, t-linux, t-netbsd, t-semi: Remove
7346 * configure.in (arm*-*-*): Remove thumb.o from extra_objs list.
7349 * arm-protos.h: Use RTX_CODE and tidy up long lines. Don't
7350 declare a prototype for asm_output_align();
7352 * arm.c (thumb_condition_code): Delete.
7353 (arm_print_operand): Always use arm_condition_code array.
7355 * arm.c (thumb_return_addr_rtx): Delete.
7356 (arm_save_machine_status, arm_restore_machine_status): Delete.
7357 (arm_init_machine_status, arm_mark_machine_status): New functions.
7358 (arm_init_expanders): Update accordingly.
7359 (arm_return_addr): Renamed from arm_return_addr_rtx. Rewrite.
7360 (thumb_expand_prologue): Delete code referencing thumb_return_addr_rtx.
7361 * arm.h (RETURN_ADDR_RTX): Call arm_return_addr().
7363 Tue Oct 26 13:24:16 1999 Nick Clifton <nickc@cygnus.com>
7365 * configure.in : Fix arm-*-aout target to use new t-arm-aout
7367 * config/arm/t-arm-aout: New file: Makefile script for arm-*-aout
7370 Tue Oct 26 11:27:12 1999 Nick Clifton <nickc@cygnus.com>
7372 * config/arm/thumb.c (output_thumb_prologue): Fix bug creating
7373 stack backtrace structure.
7375 * config/arm/arm-protos.h: Add prototypes for functions defined in
7378 * config/arm/arm.c (arm_override_options): Fix selection of
7379 attributes of default processor.
7381 * config/arm/coff.h: Delete needless #include.
7383 * config/arm/pe.c: Delete unused code.
7385 * config/arm/pe.h (CPP_DEFINES): Delete
7386 (SUBTARGET_CPP_SPEC): Define.
7387 (ASM_DECLARE_FUNCTION_NAME): Use ARM_DECLARE_FUNCTION_NAME.
7389 * config/arm/t-pe: Add -DInhibit_libc to allof libgcc.a to build.
7391 Mon Oct 25 15:42:09 1999 Richard Earnshaw (rearnsha@arm.com)
7393 * arm.h (TARGET_APCS_FRAME): Renamed from TARGET_APCS -- all uses
7395 (CAN_DEBUG_WITHOUT_FP): Define.
7396 (FIXED_REGISTERS): Make r11 call-saved.
7397 (CALL_USED_REGISTERS): Likewise.
7398 (CONDITIONAL_REGISTER_USAGE): Fix r11 if TARGET_APCS_FRAME.
7399 (FRAME_POINTER_REQUIRED): Correct logic for determining when a
7400 frame-pointer is required.
7401 (TARGET_DEFAULT): Make default setting include ARM_FLAG_APCS_FRAME.
7402 * arm.c (arm_override_options): Warn about -mno-apcs-frame and -g
7403 if the target normally needs a stack frame in non-leaf functions.
7404 (use_return_insn): Correct logic for determining when a return
7405 instruction can be used.
7406 (output_return_instruction): Handle the frame-pointer register as
7407 a normal register when not TARGET_APCS_FRAME.
7408 (arm_output_prologue): Likewise.
7409 (arm_output_epilogue): Likewise.
7410 (output_func_epilogue): Likewise.
7411 (arm_expand_prologue): Likewise.
7412 * netbsd.h semi.h (TARGET_DEFAULT): Add ARM_FLAG_APCS_FRAME.
7414 * arm.c (use_return_insn): No need to check floating point regs if
7416 (arm_find_minipool_constant): Correct typo; use GET_CODE to get
7417 the code of value stored in the minipool array.
7418 (arm_add_minipool_constant): Likewise.
7420 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7422 * basic-block.h (conflict_graph_enum_fn): K&R fix.
7424 2000-04-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7426 * tree.c (tree_expr_nonnegative_p): New function.
7428 * tree.h (tree_expr_nonnegative_p): Declare.
7430 * c-typeck.c (build_binary_op): Call `tree_expr_nonnegative_p' to
7431 elide some sign_compare warnings.
7432 (build_conditional_expr): Likewise.
7434 Sat Apr 8 00:21:51 EDT 2000 John Wehle (john@feith.com)
7436 * i386.md (ashrsi3, ashrhi3, ashrqi3): Fix typo.
7438 * i386.md (floathisf2, floathidf2, floathixf2): New patterns.
7439 * i386.c (print_operand): Use the proper suffix for a 387 HImode
7440 operand. Abort if a 387 operand has an unsupported size.
7442 2000-04-08 Neil Booth <NeilB@earthling.net>
7444 * cppexp.c (parse_charconst): Null does not end character
7446 * cppinit.c (ISTABLE): Null character handled as whitespace.
7447 * cpplex.c (null_warning): new function.
7448 (skip_string): Emit warning if nulls encountered.
7449 (_cpp_skip_hspace): Emit warning if nulls encountered.
7450 (_cpp_lex_token): Emit warning if nulls encountered. Drop
7454 2000-04-07 Richard Henderson <rth@cygnus.com>
7456 * flow.c (loop_depth): Remove.
7457 (reg_next_use, cc0_live, mem_set_list): Replace with ...
7458 (struct propagate_block_info): New.
7459 (life_analysis): Don't allocate reg_next_use.
7460 (propagate_block_delete_insn): Break out of propagate_block.
7461 Use flow_delete_insn to unlink rather than use NOTE_INSN_DELETED.
7462 (propagate_block_delete_libcall): Likewise.
7463 (propagate_block): Create a propagate_block_info struct to pass
7464 to subroutines. Allocate one not two temporary regsets. Don't
7465 clobber memory for const calls. Look for clobbers in
7466 CALL_INSN_FUNCTION_USAGE.
7467 (mark_set_regs): Recognize COND_EXEC.
7468 (mark_set_reg): Break out of mark_set_1.
7469 (mark_used_reg): Break out of mark_used_regs.
7470 (mark_used_regs): Recognize COND_EXEC.
7471 (insn_dead_p): Use propagate_block_info struct.
7472 (libcall_dead_p, invalidate_mems_from_autoinc): Likewise.
7473 (find_auto_inc, try_pre_increment_1): Likewise.
7474 (print_rtl_with_bb): Dump regs live at end too.
7475 (count_reg_sets_1): Pass in loop_depth.
7476 (count_reg_sets, count_reg_references): Likewise.
7477 (recompute_reg_usage): Provide it.
7479 2000-04-07 Richard Henderson <rth@cygnus.com>
7481 * Makefile.in (conflict.o): Depend on $(RTL_H) and $(BASIC_BLOCK_H)
7484 2000-04-07 Zack Weinberg <zack@wolery.cumb.org>
7486 * cpplib.c (do_elif): Skip the rest of the line if we're
7487 not going to bother evaluating it.
7488 (skip_if_group): Clear pfile->only_seen_white. Reorder loop
7489 to avoid pointless calls to the lexer.
7491 Fri Apr 7 11:50:54 2000 Jim Wilson <wilson@cygnus.com>
7493 * config/ia64/ia64.c: Delete stdio.h and ctype.h includes.
7495 2000-04-07 Jason Merrill <jason@casey.cygnus.com>
7497 * calls.c (expand_call): emit_queue if we're trying a sibcall.
7499 2000-04-07 Jakub Jelinek <jakub@redhat.com>
7501 * config/sparc/t-linux64 (tcrtbeginS.o, tcrtendS.o): Remove.
7503 2000-04-06 Geoff Keating <geoffk@cygnus.com>
7505 * Makefile.in: Build crtbeginS and crtendS like crtbegin and
7506 crtend so they can be multilibbed.
7507 (STAGESTUFF): Remove s-crt and s-crtS.
7509 2000-04-07 Richard Henderson <rth@cygnus.com>
7511 * config/alpha/alpha.c (alpha_emit_conditional_move): Fail
7512 if we discover we need a pseudo and no_new_pseudos is true.
7513 * config/alpha/alpha.md (ne:DI insn): New.
7514 (trunctfsf2, sne): Emit NE instead of non-canonical LTU.
7516 2000-04-07 Richard Henderson <rth@cygnus.com>
7518 * rtl.def (COND_EXEC): New.
7519 * rtl.h (COND_EXEC_TEST, COND_EXEC_CODE): New.
7520 * tm.texi (MAX_CONDITIONAL_EXECUTE): Document.
7522 * genconfig.c (have_cond_arith_flag): Remove.
7523 (have_cond_exec_flag): New.
7524 (walk_insn_part): Detect COND_EXEC, not arithmetic in IF_THEN_ELSE.
7525 (main): Print HAVE_conditional_execution.
7527 * haifa-sched.c (haifa_classify_insn): Recognize COND_EXEC.
7528 (sched_analyze_insn, print_pattern): Likewise.
7529 * reload.c (find_equiv_reg): Likewise.
7530 * rtlanal.c (reg_referenced_p): Likewise.
7531 (note_stores, dead_or_set_regno_p): Likewise.
7532 (reg_overlap_mentioned_p): Rewrite to use a switch.
7534 * ggc.h (struct rtx_def): Forward declare.
7536 * print-rtl.c (debug_rtx_range): New.
7537 * rtl.h (debug_rtx_range): Declare.
7539 * varray.h (VARRAY_ACTIVE_SIZE, VARRAY_POP_ALL): New.
7541 * gcse.c (gcse_main): Don't rebuild the CFG here.
7542 (delete_null_pointer_checks): Likewise.
7543 * ssa.c (convert_to_ssa): Likewise.
7544 * toplev.c (rest_of_compilation): Do it here instead. Combine
7545 sequential calls to TIMEVAR. Consistently use `insns' instead of
7546 `get_insns()'. Always split insns after reload when optimizing.
7548 * basic-block.h (merge_blocks_nomove): Declare.
7549 (tidy_fallthru_edge): Declare.
7550 * flow.c (merge_blocks_nomove): Document as merging into previous
7551 blocks. Remove cruft from between blocks; remove all edges out of A.
7552 (tidy_fallthru_edge): Export.
7554 2000-04-06 Alex Samuel <samuel@codesourcery.com>
7556 * ssa.c (compute_conservative_reg_partition): Declare with
7558 * toplev.c (clean_dump_file): Remove previously-deleted function
7559 inadvertantly merged back in.
7560 * conflict.c (conflict_graph_add): Use a single call to
7561 htab_find_slot to look up and insert.
7563 2000-04-06 Richard Henderson <rth@cygnus.com>
7565 * genrecog.c (*): Rename _last_insn to last_insn.
7566 (make_insn_sequence): Set the position of the peephole2 C test
7567 to be at the last insn.
7569 2000-04-06 Richard Henderson <rth@cygnus.com>
7571 * flow.c (compute_flow_dominators): Free worklist.
7573 2000-04-06 Michael Matz <matzmich@cs.tu-berlin.de>
7575 * flow.c (compute_flow_dominators): Process blocks FIFO not LIFO.
7577 2000-04-06 Alex Samuel <samuel@codesourcery.com>
7579 * rtl.h (INSN_P): New macro.
7580 (successor_phi_fn): New typedef.
7581 (for_each_successor_phi): New prototype.
7582 (in_ssa_form): New variable.
7583 (PHI_NODE_P): Likewise.
7584 * flow.c (calculate_global_regs_live): Add to new_live_at_end from
7585 phi nodes in successors.
7586 (mark_used_regs): Add PHI case.
7587 (set_phi_alternative_reg): New function.
7588 (life_analysis): Assert that dead code elimination is not selected
7590 * toplev.c (to_ssa_time): New variable.
7591 (from_ssa_time): Likewise.
7592 (compile_file): Zero to_ssa_time and from_ssa_time.
7593 Print time to convert to and from SSA.
7594 (rest_of_compilation): Time convert_to_ssa and convert_from_ssa.
7595 (print_time): Compute percent fraction as integer.
7596 * ssa.c (PHI_NODE_P): Moved to rtl.h.
7597 (convert_to_ssa): Check if we're already in SSA.
7598 Don't eliminate dead code in life_analysis.
7599 Rerun flow and life analysis at bottom.
7600 (eliminate_phi): Use canonical regnos when adding nodes.
7601 (mark_reg_in_phi): New function.
7602 (mark_phi_and_copy_regs): Likewise.
7603 (convert_from_ssa): Rerun life analysis at top.
7604 Use coalesced partition.
7605 Check for removing a phi node at the end of the block.
7606 (compute_coalesced_reg_partition): New function.
7607 (coalesce_regs_in_copies): Likewise.
7608 (coalesce_reg_in_phi): Likewise.
7609 (coalesce_regs_in_sucessor_phi_nodes): Likewise.
7610 (for_each_successor_phi): Likewise.
7611 (rename_context): New struct.
7612 (rename_block): Use a rename_context with rename_insn_1. When
7613 renaming sets of a subreg, emit a copy of the entire reg first.
7614 (rename_insn_1): Treat data as a rename_context *. Save current
7616 (rename_set_data): Add field set_insn.
7617 * Makefile.in (HASHTAB_H): Move up in file.
7618 (OBSTACK_H): New macro.
7619 (collect2.o): Use OBSTACK_H in dependencies.
7620 (sdbout.o): Likewise.
7621 (emit-rtl.o): Likewise.
7622 (simplify-rtx.o): Likewise.
7623 (fix-header.o): Likewise.
7624 (OBJS): Add conflict.o.
7625 (conflict.o): New rule.
7626 * basic-block.h: Include partition.h.
7627 (conflict_graph): New typedef.
7628 (conflict_graph_enum_fn): Likewise.
7629 (conflict_graph_new): New prototype.
7630 (conflict_graph_delete): Likewise.
7631 (conflict_graph_add): Likewise.
7632 (conflict_graph_conflict_p): Likewise.
7633 (conflict_graph_enum): Likewise.
7634 (conflict_graph_merge_regs): Likewise.
7635 (conflict_graph_print): Likewise.
7636 (conflict_graph_compute): Likewise.
7637 * conflict.c: New file.
7639 2000-04-06 Jason Merrill <jason@yorick.cygnus.com>
7641 * tlink.c (read_repo_files): Don't look for .rpo info for
7644 Thu Apr 6 20:39:26 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7646 * sh.h (STRUCT_VALUE, RETURN_IN_MEMORY): Define.
7648 Thu Apr 6 19:34:08 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7650 * config/sh/lib1funcs.asm (___udivsi3_i4):
7651 ( __SH4_SINGLE__ / __SH4_SINGLE_ONLY__ variant): value for fpscr
7652 only depends on FMOVD_WORKS.
7654 Thu Apr 6 19:11:47 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7656 * config/sh/lib1funcs.asm (___udivsi3_i4): When using fmovd,
7657 make double constant 8-byte aligned.
7659 2000-04-06 Jakub Jelinek <jakub@redhat.com>
7661 * config/sparc/sparc.md (movtf_insn_sp32, movtf_insn_vis_sp32,
7662 movtf_no_e_insn_sp32, movtf_insn_hq_sp64, movtf_insn_hq_vis_sp64,
7663 movtf_no_e_insn_sp64): Accept loading 0.0 into GENERAL_REGS.
7664 (movtf_insn_sp64, movtf_insn_vis_sp64): Likewise.
7665 Accept storing GENERAL_REGS into offsetable memory.
7666 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Don't allow
7667 building a TFmode constant other than 0.0L into GENERAL_REGS.
7669 2000-04-06 Clinton Popetz <cpopetz@cygnus.com>
7671 * regrename.c (regrename_optimize): Handle no REG_ALLOC_ORDER.
7673 2000-04-06 Zack Weinberg <zack@wolery.cumb.org>
7675 * cpphash.c (CPP_IS_MACRO_BUFFER, FORWARD, PEEKC): Delete.
7676 (macro_cleanup): No need to cast pbuf->macro.
7677 (collect_expansion): Use _cpp_get_define_token. Goto done if
7678 it returns VSPACE. Remove check for trailing space after
7680 (_cpp_create_definition): Don't diddle flags here. Return
7682 (unsafe_chars): Handle c1 being EOF.
7683 (push_macro_expansion): Use unsafe_chars for both accidental-paste
7684 checks. Don't push the buffer till after we're done with
7686 * cpplex.c (PEEKBUF, GETBUF, FORWARDBUF): New.
7687 (PEEKN, FORWARD, GETC, PEEKC): Use them.
7688 (cpp_push_buffer): Don't set new->alimit. Set new->mark
7690 (_cpp_parse_assertion): Don't NUL terminate.
7691 (_cpp_lex_token): Fix -traditional macro handling. Don't skip
7692 hspace before calling _cpp_parse_assertion. Remove all sets
7693 of only_seen_white. Treat '\f' as hspace. Don't do anything
7694 special with '\n' here.
7695 (maybe_macroexpand): Handle T_EMPTY hash entries without
7696 pushing a buffer at all.
7697 (cpp_get_token): Handle clearing only_seen_white here. Handle
7698 incrementing the line number here. Clear
7699 potential_control_macro as well as only_seen_white, if
7701 (cpp_get_non_space_token): Don't eat CPP_POP tokens.
7702 (_cpp_get_define_token): New function, basically like
7703 _cpp_get_directive_token was but doesn't eat horizontal space.
7704 Don't do anything with only_seen_white here.
7705 (_cpp_get_directive_token): Just call _cpp_get_define_token
7706 repeatedly till it returns non-hspace.
7708 * cpplib.c (PEEKN, FORWARD, GETC, PEEKC): Delete.
7709 (conditional_skip, skip_if_group): Return int.
7710 (DIRECTIVE_TABLE): Change origin of all conditional directives
7712 (TRAD_DIRECT_P): New macro.
7713 (_cpp_handle_directive): Use _cpp_get_directive_token. Issue
7714 an error for a bogus directive, unless -lang-asm. Use
7715 TRAD_DIRECT_P. Loop calling handler functions till one returns
7717 (get_macro_name): Don't diddle flags here.
7718 (do_define): Diddle flags here. Use _cpp_get_directive_token.
7719 Create T_EMPTY nodes for #define macro /* nothing */.
7720 (do_undef): Don't copy the name. Use _cpp_get_directive_token.
7721 Use hp->name when calling pass_thru_directive.
7722 (do_if, do_else, do_elif, do_ifdef, do_ifndef, conditional_skip):
7723 Return the result of conditional_skip and/or skip_if_group.
7724 Don't call _cpp_output_line_command.
7725 (consider_directive_while_skipping): Use _cpp_get_directive_token.
7726 Issue -Wtraditional warnings as appropriate. Don't complain
7727 about unrecognized directives. If we are to stop skipping,
7728 return the number of the directive that ended the skip.
7729 (skip_if_group): Use _cpp_get_directive_token. Turn off macro
7730 expansion and line commands while skipping. Return the result
7731 of consider_directive_while_skipping, if nonzero.
7732 (do_endif): Just set potential_control_macro here.
7733 (validate_else): Use _cpp_get_directive_token.
7734 (do_assert, do_unassert): Don't save pointers into the
7735 token_buffer across calls to the lexer. Use
7736 _cpp_get_directive_token.
7738 * cpplib.h (cpp_buffer): Remove alimit and colno. Make mark a
7739 pointer, not an offset. Replace 'data', which was a generic
7740 pointer, with 'macro', which points to a struct hashnode.
7741 (cpp_reader): Add 'potential_control_macro' pointer.
7742 * cpphash.h (T_UNUSED): Replace with T_EMPTY.
7743 (CPP_BUF_GET, CPP_FORWARD): Delete.
7744 (CPP_IN_COLUMN_1, ADJACENT_TO_MARK): New macros.
7745 (CPP_IS_MACRO_BUFFER, CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK,
7746 ACTIVE_MARK_P): Update.
7747 (_cpp_get_define_token): New internal function.
7748 * cppfiles.c (read_include_file): Don't set fp->alimit or fp->colno.
7750 2000-04-05 Benjamin Kosnik <bkoz@cygnus.com>
7752 * configure.in: And here.
7753 * configure: Regenerate.
7754 * acconfig.h: Add ENABLE_STD_NAMESPACE to set flag_honor_std if
7755 --enable-libstdcxx-v3 is passed at configure time.
7756 * config.h.in: Regenerate.
7758 2000-04-05 Mark Mitchell <mark@codesourcery.com>
7760 * final.c (final): Use xcalloc to allocate line_note_exists.
7761 * function.c (free_after_compilation): Free the temp_slots.
7762 (assign_stack_temp_for_type): Use xmalloc to allocate temp_slots.
7763 (combine_temp_slot): Free temp_slots when they get combined.
7764 (purge_addressof): Fix typo in comment.
7765 * stmt.c (mark_goto_fixup): Mark the fixup itself.
7766 (expand_fixup): Allocate the fixup with ggc_alloc_obj.
7768 * ggc.h: Include varray.h.
7769 (ggc_pending_trees): Declare.
7770 (ggc_mark_tree_children): Remove declaration.
7771 (ggc_mark_tree): Just push unmarked trees on ggc_pending_trees.
7772 * ggc-common.c (ggc_pending_trees): New variable.
7773 (ggc_mark_roots): Call ggc_mark_trees.
7774 (ggc_mark_tree_children): Rename to ggc_mark_trees. Process all
7775 the ggc_pending_trees.
7776 * Makefile.in (GGC_H): New variable. Use it throughout in place
7779 Thu Apr 6 00:30:50 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7781 * sh.h (FUNCTION_ARG_PARTIAL_NREGS): Accomodate an unsigned
7784 Wed Apr 5 23:17:10 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
7786 * sh.c (sh_insn_length_adjustment): New function.
7787 * sh-protos.h (sh_insn_length_adjustment): Declare.
7788 * sh.h (ADJUST_INSN_LENGTH): Use it.
7790 Wed Apr 5 12:35:18 2000 Hans-Peter Nilsson <hp@axis.com>
7792 * optabs.c (emit_libcall_block): Remove spurious REG_EQUAL notes
7793 from the insn where REG_RETVAL is added.
7794 (emit_no_conflict_block): Ditto.
7796 * md.texi (Standard Names): Clarify when movX is needed.
7798 * combine.c (simplify_comparison) [MINUS]: Do not replace
7799 all (op (minus A B) 0) with (op A B).
7801 Wed Apr 5 18:03:31 2000 Toshiyasu Morita (toshi.morita@sega.com)
7802 J"orn Rennecke <amylaar@cygnus.co.uk>
7804 * sh.md (block_lump_real_i4): Add missing clobber of T_REG
7805 (block_lump_real): Likewise.
7807 2000-04-05 Chris Demetriou <cgd@netbsd.org>
7809 * mips.h (MASK_DEBUG_A, MASK_DEBUG_B, MASK_DEBUG_C): Zero the
7810 remaining non-zero debugging masks.
7812 Wed Apr 5 09:44:07 2000 Jeffrey A Law (law@cygnus.com)
7814 * basic-block.h (verify_flow_info): Declare.
7815 (flow_loop_outside_edge_p): Declare.
7816 * flow.c (verify_flow_info): Remove declaration.
7817 (clear_log_links, flow_loop_outside_edge_p): Likewise.
7819 Wed Apr 5 09:34:26 2000 Philippe De Muyter <phdm@macqel.be>
7821 * m68k/m68k-protos.h (finalize_pic): Turn prototype off using `#if 0',
7824 2000-04-05 Jakub Jelinek <jakub@redhat.com>
7826 * config/sparc/sparc.md (snedi_zero+1, neg_snedi_zero+1,
7827 snedi_zero_trunc+1, seqdi_zero+1, neg_seqdi_zero+1,
7828 seqdi_zero_trunc+1): Allow splits only if registers are
7831 2000-04-04 Ulrich Drepper <drepper@cygnus.com>
7833 * acconfig.h: Add HAVE_GAS_HIDDEN.
7834 * config.in: Regenerated.
7835 * configure.in: Add test for .hidden pseudo-op in gas.
7836 * configure: Regenerated.
7837 * crtstuff.c: Include auto-host.h.
7838 Emit additional .hidden pseudo-op for __dso_handle if the
7839 assembler knows about it.
7841 2000-04-04 Philippe De Muyter <phdm@macqel.be>
7843 * cpphash.c (_cpp_free_definition): Test argnames, not nargs >= 0,
7844 before freeing argnames.
7845 * cpplib.c (do_ifndef): Cast return value of xstrdup.
7847 2000-04-05 Michael Meissner <meissner@redhat.com>
7849 * config/rs6000/rs6000.c (print_operand): Patch from Jonathan
7850 Walton <jonboy@gordian.com> to make memory references with update
7851 work wtih -mregnames.
7853 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7855 * regrename.c (regno_first_use_in): Wrap prototype in PARAMS.
7856 (regrename_optimize): Rename variables `def_uses' and
7857 `ext_basic_blocks' to avoid conflicts with similarly named
7858 typedefs in traditional C.
7860 * calls.c (initialize_argument_information): Fix typo in previous
7863 2000-04-04 Richard Henderson <rth@cygnus.com>
7865 * regrename.c (consider_available): Test fixed_regs not
7866 PIC_OFFSET_TABLE_REGNUM.
7868 2000-04-04 Geoff Keating <geoffk@cygnus.com>
7870 * config/rs6000/t-ppccomm (EXTRA_MULTILIB_PARTS): Add crtbegin,
7872 (CRTSTUFF_T_CFLAGS_S): Delete definition.
7873 * config/rs6000/sysv4.h (STARTFILE_LINUX_SPEC): Always use crtbegin.
7874 (ENDFILE_LINUX_SPEC): Always use crtend.
7875 * configure.in (powerpc-*-linux-gnulibc1): Don't define extra_parts.
7876 (powerpc-*-linux-gnu): Likewise.
7877 * configure: Regenerate.
7879 * config/rs6000/eabi.h: Don't include sysv4.h.
7880 (MULTILIB_DEFAULTS): Don't define.
7881 * config/rs6000/eabiaix.h: Don't include eabi.h.
7882 * config/rs6000/eabile.h: Delete.
7883 * config/rs6000/eabilesim.h: Delete.
7884 * config/rs6000/eabisim.h: Don't include eabi.h.
7885 * config/rs6000/linux.h: Don't include sysv4.h.
7886 (JUMP_TABLES_IN_TEXT_SECTION): Don't redefine.
7887 (MULTILIB_DEFAULTS): Don't redefine.
7888 * config/rs6000/rtems.h: Don't include eabi.h.
7889 * config/rs6000/sol2.h: Don't include sysv4le.h.
7890 * config/rs6000/sysv4le.h: Don't include sysv4.h.
7891 * config/rs6000/t-ppc: Delete.
7892 * config/rs6000/t-ppcgas: Correct comment.
7893 * config/rs6000/t-ppcos: Correct comment. Don't build
7894 multilibs for -fPIC, rather use -fPIC -mstrict-align
7896 * config/rs6000/t-ppc: Delete.
7897 * config/rs6000/vxppc.h: Don't include sysv4.h.
7898 * config/rs6000/vxppcle.h: Delete.
7899 * configure.in: Use multiple header files for p2pc ELF targets
7900 powerpc-eabiaix, powerpc-eabisim, powerpc-rtems, powerpcle-eabi,
7901 powerpcle-eabisim, powerpc-elf, powerpcle-elf, powerpc-linux-gnu,
7902 powerpc-linux-gnulibc1, powerpc-sysv, powerpcle-sysv,
7903 powerpc-vxworks, powerpcle-vxworks. Assume GAS functionality is
7904 always available for these platforms.
7906 2000-04-04 Richard Henderson <rth@cygnus.com>
7908 * calls.c (try_to_integrate): Initialize reg_parm_stack_space.
7910 2000-04-04 Stan Cox <scox@cygnus.com>
7912 * Makefile.in: Add rules for regrename.o
7913 * regrename.c: New file.
7914 * rtl.h (regrename_optimize): Add prototype.
7915 * toplev.c (rename_registers_dump, flag_rename_registers): New variables
7916 (compile_file, decode_d_option): Add support for -frename-registers.
7917 (rest_of_compilation): Call regrename_optimize.
7918 * config/ia64/ia64.h (HARD_REGNO_RENAME_OK, RENAME_EXTENDED_BLOCKS):
7921 2000-04-04 Martin v. Löwis <loewis@informatik.hu-berlin.de>
7923 * Makefile (gccbug): New target.
7924 (doc): Depend on it.
7925 * gcc.texi (Bugs): Link subnodes.
7927 * gccbug.in (CATEGORIES): Remove gc, host, profiling, libgcc.
7928 Document severities, priorities, and classes in bug form.
7930 2000-04-04 Zack Weinberg <zack@wolery.cumb.org>
7932 * cpplex.c (trigraph_map, speccase): Combine into single
7934 (NORMAL, NONTRI): New macros.
7935 (_cpp_read_and_prescan): Change to use unified table. Use
7936 is_hspace to test for whitespace.
7938 * dbxout.c (CONTIN): If it doesn't have to do anything, give it a
7939 definition that doesn't provoke the "empty body in an
7940 if-statement" warning.
7942 2000-04-04 Clinton Popetz <cpopetz@cygnus.com>
7944 * builtins.c (expand_builtin_strlen): Force the source to
7945 be a memory address.
7947 2000-04-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7949 * cpplib.c (D): Adjust to call CONCAT2 macro without whitespace.
7951 Tue Apr 4 19:17:20 MET DST 2000 Jan Hubicka <jh@suse.cz>
7953 * calls.c (ECF_MALLOC, ECF_MAY_BE_ALLOCA, ECF_RETURNS_TWICE,
7954 ECF_LONGJMP, ECF_FORK_OR_EXEC): New constants.
7955 (ECF_IS_CONST): Rename to ECF_CONST.
7956 (special_function_p): Make static, change interface.
7957 (flags_from_decl_or_type, try_to_integrate): Break out from ...
7958 (expand_call) ... here; convert number of variables to flags.
7959 (emit_library_call_vlue_1): Likewise.
7960 (setjmp_call_p): New function.
7961 (initialize_argument_information): Accepts flags as argument;
7963 (precompute_arguments): Likewise.
7964 * tree.h (special_function_p): Remove.
7965 (setjmp_call_p): Add prototype.
7967 2000-04-04 Jakub Jelinek <jakub@redhat.com>
7969 * config/sparc/sparc.h (RTX_OK_FOR_OFFSET_P): Leave minor margin
7970 so that addresses are offsetable by up to 16 bytes.
7971 (GO_IF_LEGITIMATE_ADDRESS): Don't allow REG+REG addresses for
7972 non-optimizing TARGET_ARCH32 in DF or DI modes because it is not
7975 * config/sparc/sparc.md (movdi_insn_sp64_novis): New pattern.
7976 (movdi_insn_sp64_vis): Renamed from movdi_insn_sp64.
7977 (movsf): Don't force any constant to memory if target is integer
7979 Move fp_zero_operand check below the const0_rtx check.
7980 (movtf): Likewise. Also allow fp_zero_operand for stores into
7982 (movdf): Likewise. Also allow fp_zero_operand for stores into
7983 memory and into integer hard registers.
7984 (clear_df, clear_dfp, movdf_const_intreg_sp32,
7985 movdf_const_intreg_sp64): Remove.
7986 (movdf_insn_sp32, movdf_no_e_insn_sp32): Redo constraints and
7988 (movdf_no_e_insn_v9_sp32): New pattern.
7989 (movdf_insn_v9only): Remove.
7990 (movdf_insn_v9only_novis, movdf_insn_v9only_vis): New patterns.
7991 (movdf_insn_sp64): Remove.
7992 (movdf_insn_sp64_novis, movdf_insn_sp64_vis): New patterns.
7993 (movdf_no_e_insn_sp64): Allow storing 0.0 into memory.
7994 (following splits): Rewrite conditions. Add two new splits
7995 for storing 0.0 into memory and registers.
7996 (clear_tf, clear_tf+1, clear_tfp, clear_tfp+1): Remove.
7997 (movtf_insn_sp32): Redo constraints and conditions.
7998 (movtf_insn_vis_sp32): New pattern.
7999 (movtf_no_e_insn_sp32): Redo constraints and conditions.
8000 (movtf_insn_hq_sp64): Likewise.
8001 (movtf_insn_hq_vis_sp64): New pattern.
8002 (movtf_insn_sp64): Redo constraints and conditions.
8003 (movtf_insn_vis_sp64): New pattern.
8004 (movtf_no_e_insn_sp64): Redo constraints and conditions.
8005 (movtf_no_e_insn_sp64+1): New split for storing 0.0L into registers
8007 * config/sparc/sparc.c (sparc_override_options): Assume v9 if either
8008 -mvis or -m64 to take down the number of various reload patterns.
8010 Tue Apr 4 00:41:53 2000 Jeffrey A Law (law@cygnus.com)
8012 * pa/pa-64.h: New file.
8013 * pa/pa64-regs.h: New file.
8014 * pa/pa64-start.h: New file.
8015 * pa/t-pa64: New file.
8016 * pa/xm-pa64hpux.h: New file.
8018 2000-04-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8020 * sparc.c (output_restore_regs): Prototype.
8021 (sparc_emit_float_lib_cmp): Constification.
8023 * emit-rtl.c (const_int_htab_hash, const_int_htab_eq): Likewise.
8025 * reload1.c (reload_cse_delete_noop_set, reload_cse_simplify):
8028 * simplify-rtx.c (entry_and_rtx_equal_p): Constification.
8029 (get_value_hash, hash_rtx): Likewise.
8031 * ssa.c (compute_conservative_reg_partition): Prototype.
8033 * tree.c (mark_hash_entry): Prototype.
8035 2000-04-03 Zack Weinberg <zack@wolery.cumb.org>
8037 * bb-reorder.c (verify_insn_chain): #ifdef out unless ENABLE_CHECKING.
8038 * i386.h (FUNCTION_ARG_REGNO_P): Remove unnecessary test for N >= 0.
8039 * i386.md (call_value, call_value_pop): Remove unused variable 'addr'.
8041 * gcc.c (C specs): Pass -fno-show-column to the preprocessor.
8042 * objc/lang-specs.h: Likewise.
8044 2000-04-03 Neil Booth <NeilB@earthling.net>
8046 * cppexp.c: wrap long lines. New macros CPP_ICE, SYNTAX_ERROR
8047 and SYNTAX_ERROR2. Replace `' in messages with ''.
8048 (op_to_str): Make re-entrant.
8049 (_cpp_parse_expr): Implement new error macros. Use | rather
8050 than || to logically or 2 boolean integers. Simply expression
8051 checking we have a left operand iff needed.
8053 2000-04-03 Nick Clifton <nickc@cygnus.com>
8055 * Makefile.in (diagnostic.o): Depend upon diagnostic.c
8057 2000-04-03 Philip Blundell <philb@gnu.org>
8059 * config/arm/linux-elf.h (SUBTARGET_EXTRA_LINK_SPEC): Fix typos.
8061 2000-04-03 Felix Lee <flee@cygnus.com>
8063 * fixinc/server.c (find_shell): New function. Avoid $SHELL.
8064 (run_shell): Use it.
8066 2000-04-03 Jonathan Larmour <jlarmour@redhat.co.uk>
8068 * Makefile.in (stmp-int-hdrs): Make include subdir here...
8069 (stmp-fixproto): ...rather than here.
8071 Mon Apr 3 00:50:06 2000 Jason Eckhardt <jle@cygnus.com>
8073 * pa.c (print_operand): Compute 'base' only inside the code paths
8076 2000-04-03 Geoffrey Keating <geoffk@cygnus.com>
8078 * stor-layout.c (byte_from_pos): Use TRUNC_DIV_EXPR rather than
8081 2000-04-03 Philipp Thomas <pthomas@suse.de>
8083 * i386.h (TARGET_SWITCHES): Remove bogus empty strings, fix typo.
8085 Mon Apr 3 00:02:59 2000 Brad Lucier <lucier@math.purdue.edu>
8087 * Makefile.in (alias.o): Depend on $(TREE_H).
8089 2000-04-02 Zack Weinberg <zack@wolery.cumb.org>
8091 * cppinit.c (cpp_start_read): Turn off -Wtraditional if
8093 * cpplib.c (_cpp_handle_directive): Improve warnings for
8094 traditional C and indented directives.
8096 * enquire.c, gsyslimits.h, limity.h, config/convex/fixinc.convex,
8097 fixinc/fixinc.irix, fixinc/fixinc.sco, fixinc/fixinc.wrap,
8098 fixinc/inclhack.def: Indent the # of #include_next one space.
8099 * cp/rtti.c: Un-indent #if and #endif.
8101 * cppexp.c (_cpp_parse_expr): If lex returns '#', it's a
8102 syntax error, but an error has already been printed.
8103 * cpplex.c (_cpp_parse_assertion): Give a more specific error
8104 message when called with nothing remaining on the line.
8105 (_cpp_lex_token): If _cpp_parse_assertion fails, return an
8106 OTHER token, not an ASSERTION.
8107 * cpplib.c (do_assert): When we create a 'base' node, clear
8108 its aschain pointer.
8110 2000-04-02 Neil Booth <NeilB@earthling.net>
8112 * cppexp.c: New typedef op_t. struct operation and struct
8113 token updated to use it.
8114 (op_to_str): New function.
8115 (_cpp_parse_expr): Error messages modified to use op_to_str.
8117 2000-04-02 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8119 * config/c4x/c4x.c (c4x_function_arg): Check for void_type_node
8120 before checking MUST_PASS_IN_STACK.
8122 2000-04-02 Neil Booth <NeilB@earthling.net>
8124 * cppexp.c: New FINISHED dummy token. Combine operator initial
8125 flags and initial priority into a single constant. New
8126 EQUALITY macro. New operator flag SHORT_CIRCUIT.
8127 (_parse_cpp_expr): Implement new constants. Take left operand
8128 checks out of reduction loop. Handle SHORT_CIRCUIT. End of
8129 parse indicated by reducing FINISHED token. Remove new lines
8130 from cpp_error messages.
8132 2000-04-01 Mark Mitchell <mark@codesourcery.com>
8134 * emit-rtl.c (gen_rtx_CONST_INT): Create cached CONST_INTs on the
8137 2000-04-01 Zack Weinberg <zack@wolery.cumb.org>
8139 * cpplib.c: Include symcat.h. Add 'origin' field to struct
8140 directive. Add origin values to DIRECTIVE_TABLE. Generate
8141 the strings and function names on the fly. Take the #sccs
8142 entry out of the table if SCCS_DIRECTIVE is not defined.
8143 (_cpp_handle_directive): Decide if the # was at the beginning
8144 of the line here. Issue -pedantic warnings for extended
8145 directives here. Warn about K+R directives with the #
8146 indented, and C89/extended directives with the # not indented,
8148 (do_import, do_include_next, do_warning, do_ident, do_sccs,
8149 do_assert, do_unassert): Don't issue pedantic warning here.
8151 * cpphash.h: Add CPP_WTRADITIONAL macro.
8152 * cpplib.h (struct cpp_options): Rename warn_stringify to
8153 warn_traditional; update comments.
8154 * cppinit.c (handle_option): Set warn_traditional not
8156 * cpphash.c: Replace CPP_OPTION (pfile, warn_stringify) with
8157 CPP_WTRADITIONAL (pfile).
8158 * cpplex.c (_cpp_lex_token): Don't decide if directives should
8159 be ignored in -traditional mode here.
8161 * cpplex.c: Copy ISTABLE macros from cppinit.c, and adapt them
8162 to initialize speccase[] and trigraph_map[]. Delete all
8163 references to pfile->input_speccase. Always treat '?' as a
8164 special character. Remove table-initialization code from
8165 _cpp_init_input_buffer.
8167 * cpplib.h (struct cpp_reader): Remove input_speccase field.
8168 * cppinit.c (cpp_cleanup): Don't free input_speccase.
8170 2000-04-01 Richard Henderson <rth@cygnus.com>
8172 * Makefile.in (STAGESTUFF): Wildcard all debugging dumps at once.
8173 (mostlyclean): Likewise.
8175 * toplev.c (rtl_dump, jump_opt_dump, etc): Remove.
8176 (struct dump_file_info, enum dump_file_index, dump_file): New.
8177 (open_dump_file): Take a dump_file_index not a suffix, and a decl
8178 not a string. Clean out file if we havn't yet done so. Do nothing
8179 if the dump isn't enabled.
8180 (close_dump_file): Do nothing if the dump isn't open. Dump
8181 graph data if requested.
8182 (dump_rtl, clean_dump_file): Remove.
8183 (compile_file): Don't clean the dump files. Only finalize .bp dump
8184 if flag_test_coverage or flag_branch_probabilities. Only finalize
8185 .combine dump if optimizing. Iterate over dump_file to finalize the
8187 (rest_of_compilation): Update for open_dump_file/close_dump_file.
8188 Convert all uses of dump_rtl.
8189 (decode_d_option): Iterate over dump_file to implement 'a' and to
8190 locate pass-specific dumps.
8192 2000-04-01 Neil Booth <NeilB@earthling.net>
8194 * cppexp.c: Redefine priority constants.
8195 (_cpp_parse_expr): Replace left and right priority scheme with
8196 single priority logic. Move LOGICAL to same place as COMPARE.
8197 Remove bogus check for multiple unary +/- operators.
8199 2000-04-01 Neil Booth <NeilB@earthling.net>
8201 * cppexp.c: (_cpp_parse_expr): Numerical constants are pushed
8202 within the switch statement. Binary operations break out of
8203 the switch naturally. '(' tokens handled by forcing
8204 immediate shift. ')' handled by forcing immediate reduce to
8205 the previous '('. New error messages.
8207 2000-03-31 Geoff Keating <geoffk@cygnus.com>
8209 * config/rs6000/rs6000.c (print_operand): Don't use %l for 'low
8210 part', it's already in use. Use %K instead. Add a return at the
8211 end of what is now %K.
8212 * config/rs6000/rs6000.md (elf_low): Use %K instead of %l.
8214 Sat Apr 1 02:05:29 MET DST 2000 Jan Hubicka <jh@suse.cz>
8216 * builtins.c (expand_builtin_apply): Pass proper parameters to
8217 allocate_dynamic_stack_space.
8218 * calls.c (emit_call_1): Do not adjust stack pointer for SIB,
8219 update stack_pointer_delta; do not update arg_size_so_far.
8220 (compute_argument_block_size): Use stack_delta instead of
8221 stack_pointer_pending and arg_size_so_far.
8222 (expand_call): Add sanity checking for stack_pointer_delta;
8223 save and restore stack_pointer_delta for SIB, use
8224 stack_pointer_delta for alignment; do not update arg_space_so_far.
8225 (emit_library_call_value): Use stack_pointer_delta for alignment.
8226 (store_one_arg): Do not update arg_space_so_far.
8227 * explow.c (adjust_stack, anti_adjust_stack): Update
8228 stack_pointer_delta.
8229 (allocate_dynamic_stack_space): Add sanity checking for
8230 stack_pointer_delta.
8231 * expr.c (init_expr, clear_pending_stack_adjust): Clear
8232 stack_pointer_delta.
8233 (emit_push_insn): Update stack_pointer_delta.
8234 * function.h (struct expr_status): Add x_stack_pointer_delta;
8235 remove x_arg_space_so_far.
8236 (arg_space_so_far): Remove.
8237 (stack_pointer_delta): New macro.
8239 2000-03-31 Zack Weinberg <zack@wolery.cumb.org>
8241 * cpplib.h: Merge struct cpp_options into struct cpp_reader.
8242 Reorder struct cpp_options and struct cpp_reader for better
8243 packing. Replace CPP_OPTIONS macro with CPP_OPTION which
8244 takes two args. Change all 'char' flags to 'unsigned char'.
8245 Move show_column flag into struct cpp_options. Don't
8246 prototype cpp_options_init.
8247 * cpphash.h, cpperror.c, cppexp.c, cppfiles.c, cpphash.c,
8248 cppinit.c, cpplex.c, cpplib.c:
8249 Replace CPP_OPTIONS (pfile)->whatever with
8250 CPP_OPTION (pfile, whatever), and likewise for
8251 opts = CPP_OPTIONS (pfile); ... opts->whatever;
8253 * cppinit.c (merge_include_chains): Take a cpp_reader *.
8254 Extract CPP_OPTION (pfile, pending) and work with that
8256 (cpp_options_init): Delete.
8257 (cpp_reader_init): Turn on on-by-default options here.
8258 Allocate the pending structure here.
8259 (cl_options, enum opt_code): Define these from the same table,
8260 kept in a large macro. Add -fshow-column and -fno-show-column
8263 * cpperror.c (v_message): If show_column is off, don't print
8266 * cppmain.c: Update for new interface.
8267 * fix-header.c: Likewise.
8269 2000-03-30 Geoff Keating <geoffk@cygnus.com>
8271 * config/rs6000/t-aix43 (AR_FLAGS_FOR_TARGET): Adjust for new
8273 * Makefile.in (AR_FLAGS_FOR_TARGET): Is now the flags that
8274 are passed to any invocation of AR_FOR_TARGET.
8275 (AR_CREATE_FOR_TARGET): New macro.
8276 (AR_EXTRACT_FOR_TARGET): New macro.
8277 (ORDINARY_FLAGS_TO_PASS): Add AR_CREATE_FOR_TARGET,
8278 AR_EXTRACT_FOR_TARGET.
8279 (many places): Use AR_CREATE_FOR_TARGET, AR_EXTRACT_FOR_TARGET
8280 in place of `$(AR_FOR_TARGET) $(AR_FLAGS_FOR_TARGET)' and
8281 `$(AR_FOR_TARGET) x'. Pass AR_CREATE_FOR_TARGET and
8282 AR_EXTRACT_FOR_TARGET to sub-makes.
8284 2000-03-31 Neil Booth <NeilB@earthling.net>
8286 * cppexp.c: Delete SKIP_OPERAND. Correct priority
8288 (_cpp_parse_expr): Check for multiple unary +/- operators.
8289 Correct priorities of ':' and '?'. Treat ')' as having a
8290 value. Ensure conditional expression is not void.
8292 2000-03-31 Mark Mitchell <mark@codesourcery.com>
8294 * alias.c (canon_rtx): Make it global.
8295 (rtx_equal_for_memref_p): CONST_INT equality is now pointer
8297 * cse.c (struct table_elt): Add canon_exp.
8299 (invalidate): Canonicalize expressions only once.
8300 * rtl.h (canon_rtx): Declare.
8302 2000-03-30 Mark Mitchell <mark@codesourcery.com>
8304 * Makefile.in (emit-rtl.o): Depend on HASHTAB_H.
8305 * alias.c (reg_known_value): Add comments.
8306 (init_alias_analysis): Likewise.
8307 * cse.c (exp_equiv_p): CONST_INTs are equal iff they have the same
8309 (cse_basic_block): Fix typo in comment.
8310 * emit-rtl.c: Include hashtab.h.
8311 (const_int_htab): New variable.
8312 (const_int_htab_hash): New function.
8313 (const_int_htab_eq): Likewise.
8314 (rtx_htab_mark_1): Likewise.
8315 (rtx_htab_mark): Likewise.
8316 (gen_rtx_CONST_INT): Cache all CONST_INTs.
8317 (unshare_all_rtx): Fix formatting.
8318 (init_emit_once): Initialize const_int_htab.
8319 * rtl.c (rtx_equal_p): CONST_INTs are equal iff they have the same
8321 * rtl.texi: Document the fact that all CONST_INTs with the same
8324 2000-03-30 Richard Henderson <rth@cygnus.com>
8326 * alpha.h (FUNCTION_BOUNDARY): Reduce to 128 bits.
8328 2000-03-30 Zack Weinberg <zack@wolery.cumb.org>
8330 * configure.in: Comment out --enable-c-cpplib stanza.
8331 * configure: Regenerate.
8333 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8335 * expr.c (store_constructor): Properly compute displacement and
8336 alignment when offset is variable.
8338 * expmed.c (store_bit_field, store_fixed_bit_field): Fix more
8339 cases of alignment in bytes.
8341 Thu Mar 30 13:30:40 2000 Jeffrey A Law (law@cygnus.com)
8343 * c-parse.in (cast_expr): Move change from March 21 into c-parse.in
8344 since it is used to generate c-parse.y.
8345 * objc-parse.c, objc-parse.y: Regenerated.
8347 * function.c (expand_function_end): Pass alignment argument to
8348 emit_block_move in bits, not bytes.
8350 Thu Mar 30 06:32:51 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8352 * expr.c (move_by_pieces_ninsns): Fix one more missing align
8355 * expmed.c (store_fixed_bit_field): STRUCT_ALIGN is in bits.
8357 * calls.c (expand_call): Pass bit alignment to mark_reg_pointer.
8358 * explow.c (memory_address, allocate_dynamic_stack_space): Likewise.
8359 * function.c (assign_parms): Likewise.
8360 * integrate.c (expand_inline_function): Likewise.
8361 * stmt.c (expand_decl): Likewise.
8362 (copy_rtx_and_substitute): Likewise.
8363 * expr.c (expand_expr, expand_expr_unaligned): Likewise.
8364 (clear_by_pieces): Fix error in last change.
8365 * emit-rtl.c (init_emit): Set known registers alignment in bits.
8366 * function.h (regno_pointer_align): Now unsigned.
8367 * config/arm/arm.c (alignable_memory_operand): REGNO_POINTER_ALIGN
8369 * config/i386/i386.c (aligned_operand): Likewise.
8370 * config/sparc/sparc.c (mem_min_alignment): Likewise.
8371 * config/alpha/alpha.c (aligned_memory_operand): Likewise.
8372 (unaligned_memory_operand): Likewise.
8373 (alpha_expand_block_move, alpha_expand_block_clear): Likewise.
8374 Also make alignments and sizes unsigned and some whitespace cleanup.
8375 (alpha_va_start): Do nothing if VALIST's type is error_mark_node.
8377 * builtins.c (get_pointer_alignment): Use host_integerp & tree_low_cst.
8378 (expand_builtin_apply): Pass alignment to emit_block_move in bits.
8379 (expand_builtin_memcpy, expand_builtin_va_copy): Likewise.
8380 (expand_builtin_memset): Likewise, but to clear_storage.
8381 * calls.c (save_fixed_argument_area): Likewise, to move_by_pieces.
8382 (restore_fixed_argument_area): Likewise.
8383 (store_unaligned_arguments_into_pseudos): Likewise, to store_bit_field.
8384 (load_register_parameters): Likewise, to emit_group_load.
8385 (expand_call): Likewise, to emit_group_store and emit_block_move.
8386 (emit_library_call_value_1): Likewise, to emit_block_move.
8387 (store_one_arg): Likewise, and to emit_push_insn.
8388 * expmed.c (extract_bit_field): Alignment is in bits, not bytes.
8389 (extract_fixed_bit_field, extract_split_bit_field): Likewise.
8390 * expr.c (move_by_pieces, move_by_pieces_ninsns): Likewise.
8391 (emit_block_move, emit_group_load, emit_group_store): Likewise.
8392 (clear_by_pieces, clear_storage, emit_push_insn): Likewise.
8393 (expand_assigment, store_expr, store_constructor_field): Likewise.
8394 (expand_expr_unaligned, do_jump, do_compare_and_jump): Likewise.
8395 (store_constructor, store_field, get_inner_reference): Likewise.
8396 Use host_integerp and tree_low_cst; sizes and positions HOST_WIDE_INT.
8397 (expand_expr, case COMPONENT_REF): Likewise.
8398 (copy_blkmode_from_regs): Use UNSIGNED_HOST_WIDE_INT for sizes
8399 and positions; reindent code.
8400 * expr.h (emit_cmp_insn, emit_cmp_and_jump_insns): Alignment unsigned.
8401 * function.c (purge_addressof_1): Pass bit align to store_bit_field.
8402 (assign_parms): Likewise to emit_group_store.
8403 * optabs.c (prepare_cmp_insn): Alignment is in bits.
8404 (emit_cmp_and_jump_insns, emit_cmp_insn): Likewise, and also unsigned.
8405 * stmt.c (expand_value_return): Pass align in bits to emit_group_load.
8406 (expand_return): Likewise to {extract,store}_bit_field.
8407 * stor-layout.c (get_mode_alignment): Minor cleanup.
8408 * config/rs6000/rs6000.h (SLOW_UNALIGNED_ACCESS): Align is in bits.
8409 * config/sh/sh.h (MOVE_BY_PIECES_P): Likewise.
8411 2000-03-29 Nick Clifton <nickc@cygnus.com>
8413 * config/arm/arm.h: Undo effects of previous delta:
8414 (ASM_SPEC): Do not define.
8415 (SUBTARGET_EXTRA_ASM_SPEC): Do not define.
8417 * config/arm/linux-elf.h: (SUBTARGET_EXTRA_ASM_SPEC) Fix
8420 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
8422 * cppinit.c (cpp_start_read): Call initialize_dependency_output
8423 only after reading in the primary source file.
8425 2000-03-29 Geoff Keating <geoffk@cygnus.com>
8427 * c-common.c (c_common_nodes_and_builtins): The first parameter to
8428 __builtin_va_start and __builtin_va_copy is now either a 'va_list'
8429 or a reference to a va_list.
8430 * builtins.c (stabilize_va_list): Simplify now we don't have to
8431 work around C array address decay.
8432 * c-typeck.c (convert_for_assignment): Handle assignment to
8433 a reference parameter by taking the address of the RHS.
8434 * ginclude/stdarg.h (va_start): Don't take address of first parameter.
8435 (va_copy): Likewise.
8436 (__va_copy): Likewise.
8437 * ginclude/varargs.h (va_start): Likewise.
8438 (__va_copy): Likewise.
8440 Wed Mar 29 15:44:53 2000 Jeffrey A Law (law@cygnus.com)
8442 * i386/djgpp.h: Remove extraneous "+".
8444 * stmt.c (stmt_loop_nest_empty): Fix thinko in last change.
8446 * calls.c (expand_call): Fix typo in last change.
8448 2000-03-29 Jason Merrill <jason@casey.cygnus.com>
8450 * tree.c (unsave_expr_1): Don't mess with a TARGET_EXPR that hasn't
8453 Wed Mar 29 15:39:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8455 * stor-layout.c (bit_from_pos, byte_from_pos): New functions.
8456 (pos_from_byte, pos_from_bit, normalize_offset): Likewise.
8457 (normalize_rli, rli_size_so_far, rli_size_unit_so_far): Use them.
8458 * tree.c (bit_position, byte_position): Likewise.
8459 * tree.h: Declare new functions.
8461 2000-03-29 Nick Clifton <nickc@cygnus.com>
8463 * config/arm/arm.c: Minor formatting changes/
8464 * config/arm/arm.h (SUBTARGET_EXTRA_ASM_SPEC): Define if not
8466 (ASM_SPEC): Define if not already defined.
8468 2000-03-29 Zack Weinberg <zack@wolery.cumb.org>
8470 * cppfiles.c (cpp_read_file): Don't pass zero-length string to
8473 2000-03-29 Jakub Jelinek <jakub@redhat.com>
8475 * dwarf2out.c (gen_enumeration_type_die): If enum has a negative
8476 value, don't output it as unsigned.
8478 Wed Mar 29 10:53:49 2000 Jeffrey A Law (law@cygnus.com)
8480 * stmt.c (stmt_loop_nest_empty): Allow cfun->stmt to be NULL.
8482 2000-03-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8484 * c-common.c (c_common_nodes_and_builtins): Don't special case
8485 cplus_mode when declaring builtin bzero/bcmp, always avoid
8486 prototype arguments.
8488 2000-03-29 Bruce Korb <bkorb@gnu.org>
8490 * fixinc/mkfixinc.sh: Initially set the variable "fixincludes"
8493 Wed Mar 29 15:08:01 MET DST 2000 Jan Hubicka <jh@suse.cz>
8495 Convert ACCUMULATE_OUTGOING_ARGS to an expression.
8496 * calls.c (PUSH_ARGS_REVERSED) Change to expression.
8497 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default value.
8498 (struct arg_data): Remove #ifdef ACCUMULATE_OUTGOING_ARGS.
8499 (save_fixed_argument_area, restore_fixed_argument_area):
8500 conditionize by #ifdef REG_PARM_STACK_SPACE only.
8501 (emit_call): Change #ifdefs on ACCUMULATE_OUTGOING_ARGS
8502 to conditions, handle RETURN_POPS_ARGS on ACCUMULATE_OUTGOING_ARGS.
8503 (precompute_register_parameters): Avoid #ifdefs on
8504 ACCUMULATE_OUTGOING_ARGS and PUSH_ARGS_REVERSED.
8505 (stire_one_args): Likewise.
8506 (expand_call): Likewise; conditionize PUSH_ROUNDING code by PUSH_ARGS.
8507 (emit_library_call_value_1): Likewise.
8508 (compute_argument_block_size): Align to STACK_BOUNDARY only for
8509 ACCUMULATE_OUTGOING_ARGS.
8510 * combine.c (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Provide default
8512 (nonzero_bits): Conditionize PUSH_ROUNDING code by USE_PUSH.
8513 (use_crosses_set_p): Likewise.
8514 * all targets (ACCUMULATE_OUTGOING_ARGS define): Change to
8515 #define ACCUMULATE_OUTGOING_ARGS 1.
8516 * i386.c (ix86_compute_frame_size): Handle ACCUMULATE_OUTGOING_ARGS
8518 * i386.h (MASK_NO_PUSH_ARGS, MASK_ACCUMULATE_OUTGOING_ARGS): New
8520 (TARGET_PUSH_ARGS, TARGET_ACCUMULATE_OUTGOING_ARGS): New macros.
8521 (TARGET_SWITCHES): Add push-args, no-push-args,
8522 accumulate-outgoing-args and no-accumulate-outgoing-args.
8523 (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): New macro.
8524 * expr.c (ACCUMULATE_OUTGONG_ARGS, PUSH_ARGS): Provide default.
8525 (push_block): Avoid ifdefs on ACCUMULATE_OUTGONG_ARGS
8527 (emit_push_insn): Likewise.
8528 * final.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
8529 (final_scan_insn): Avoid ifdefs on ACCUMULATE_OUTGOING_ARGS.
8530 * function.c (ACCUMULATE_OUTGOING_ARGS): Provide default.
8531 (STACK_DYNAMIC_OFFSET): Define correctly for both
8532 ACCUMULATE_OUTGOING_ARGS and normal mode.
8533 * invoke.texi (-mpush_args, -maccumulate-outgoing-args): Document.
8534 * tm.texi (PUSH_ARGS): Document.
8535 (ACCUMULATE_OUTGOING_ARGS, PUSH_ROUNDING): Update documentation.
8537 Wed Mar 29 11:51:13 MET DST 2000 Jan Hubicka <jh@suse.cz>
8539 * flags.h (flag_optimize_sibling_calls): Declare.
8540 * calls.c (expand_call): Fail sibcall when
8541 !flag_optimize_sibling_calls
8542 * invoke.texi (flag_optimize_sibling_calls): Document.
8543 * toplev.c (flag_optimize_sibling_calls): New global variable.
8544 (f_options): Add flag_optimize_sibling_calls.
8545 (rest_of_compilation): Conditionize
8546 optimize_sibling_and_tail_recursive_calls by
8547 flag_optimize_sibling_calls.
8548 (main): Set flag_optimize_sibling_calls for -O2.
8549 * stmt.c (expand_return): Conditionize tail recursion by
8550 flag_optimize_sibling_calls.
8552 2000-03-29 Richard Henderson <rth@cygnus.com>
8554 * config/i386/att.h (LOCAL_LABEL_PREFIX): Define.
8555 (ASM_GENERATE_INTERNAL_LABEL, ASM_OUTPUT_INTERNAL_LABEL): Use it.
8557 2000-03-29 Nathan Sidwell <nathan@codesourcery.com>
8559 * except.c (add_eh_table_entry): Mark type_info's as referenced.
8561 2000-03-29 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
8563 * config/rs6000/aix41.h (CPP_SPEC): Define _ANSI_C_SOURCE if -ansi
8565 * config/rs6000/aix43.h (CPP_SPEC): Likewise.
8566 * config/rs6000/rs6000.h (CPP_SPEC): Moved to...
8567 * config/rs6000/aix.h: then modified likewise.
8569 2000-03-28 Richard Henderson <rth@cygnus.com>
8571 * rtl.h: Redistribute enum reg_note documentation.
8572 Kill trailing whitespace.
8573 * rtl.c (reg_note_name): Adjust to match enum reg_note tweeks.
8574 Kill trailing whitespace.
8576 2000-03-28 Zack Weinberg <zack@wolery.cumb.org>
8578 * cppfiles.c (hash_IHASH): Just return i->hash.
8579 (cpp_included): Set dummy.hash using _cpp_calc_hash. Use
8580 htab_find_with_hash.
8581 (cpp_read_file): Likewise.
8582 (find_include_file): Likewise. Properly initialize
8583 ih->nshort. Share ih->name and ih->nshort if possible.
8584 * cpphash.c (_cpp_calc_hash): New function.
8585 (hash_HASHNODE): Just return h->hash.
8586 (_cpp_lookup): Set dummy.hash using _cpp_calc_hash. Use
8587 htab_find_with_hash.
8588 * cpphash.h: Prototype _cpp_calc_hash.
8589 * cppinit.c (initialize_builtins): Provide a valid hash
8590 to _cpp_make_hashnode, using _cpp_calc_hash.
8592 * cpphash.c (collect_expansion): # is not a special character
8593 in object-like macros. In -traditional mode, /**/ is not
8594 token paste at the beginning or end of the line.
8595 * cpplib.c (do_include, do_import, do_include_next): If
8596 parse_include fails, return immediately.
8598 2000-03-28 Jason Merrill <jason@casey.cygnus.com>
8600 * config/arm/arm.md (return peepholes): Update to reflect the new
8602 * config/arm/arm.c (arm_volatile_func): Also check
8603 current_function_nothrow.
8604 (output_return_instruction, output_func_prologue): Use it.
8605 (arm_output_epilogue, arm_expand_prologue): Likewise.
8607 2000-03-27 Tom Tromey <tromey@cygnus.com>
8609 * gcc.c (handle_braces): In {x*...} case, break out of loop if
8612 Tue Mar 28 11:55:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8614 * expr.c (store_constructor): SIZE now signed.
8615 For EXPR_SIZE, don't evaluate size; just needed if constant.
8616 * fold-const.c (fold): Fix a number of cases when folded tree is
8618 * function.c (flush_addressof): Reenable.
8619 * tree.h (flush_addressof): Likewise.
8620 * toplev.c (independent_decode_option): Look at strings_processed.
8621 * config/alpha/alpha.h (MINIMUM_ATOMIC_ALIGNMENT): Cast to unsigned.
8623 Tue Mar 28 08:29:46 2000 Jan Hubicka <jh@suse.cz>
8625 * sibcall.c (indentify_call_return_value): Find last call in the chain;
8626 Allow stack adjustment after function call.
8628 * regmove.c (struct csa_memlist): Make mem field rtx *.
8629 (record_one_stack_ref): Accept rtx * instead of rtx as parameter.
8630 (try_apply_stack_adjustment): Replace whole MEM rtx.
8631 (combine_stack_adjustments_for_block): Update calls
8632 to record_one_stack_ref.
8634 2000-03-28 Neil Booth <NeilB@earthling.net>
8636 * cpplex.c (_cpp_read_and_prescan): Mark end of input buffer with
8637 '\\' rather than a null character, so nulls are not special. Fix
8638 "\\\n" handling in end-of-buffer conditions. Use trigraph map to
8639 speed trigraph conversion.
8640 (_cpp_init_input_buffer): Initialize trigraph map.
8642 2000-03-27 Alan Modra <alan@linuxcare.com.au>
8644 * config/i386/i386.c (output_387_binary_op): Correct intel
8645 mode assembly output, and add spaces after commas in AT&T
8646 output. Correct Unixware assembler comment. Document input
8647 constraints. Comment fp operations. Reduce profligate buffer
8648 size. Remove extraneous abort. Localize temp var.
8649 (SYSV386_COMPAT): Define. Add !SYSV386_COMPAT code.
8650 (output_fix_trunc): Add spaces after commas in assembly output.
8652 2000-03-27 Richard Henderson <rth@cygnus.com>
8654 * i386-protos.h (ix86_match_ccmode): Declare.
8655 * i386.c (ix86_match_ccmode): New.
8656 (ix86_expand_fp_compare): Update for pattern renames.
8657 (ix86_expand_strlensi_unroll_1): Likewise.
8658 * i386.h (EXTRA_CC_MODES): Add CCZ.
8659 (SELECT_CC_MODE): Use it for EQ/NE zero.
8660 * i386.md (cmpsi_ccz_1): New.
8662 (*testsi_ccz_1): New.
8663 (testqi_ccz_1): New.
8664 (cmpsi_ccno_1): Rename from cmpsi_0.
8665 (testsi_ccno_1): Rename from testsi_1.
8666 (testqi_ccno_1): Rename from testqi_1.
8667 (*testqi_ext_ccz_0): Rename from testqi_ext_0.
8668 (testqi_ext_ccno_0): Rename from *testqi_ext_1.
8669 (*cmphi_0): Use ix86_match_ccmode.
8670 (*cmpqi_ext_2, *addsi_2, *addhi_2, *addqi_2): Likewise.
8671 (*subsi_2, *subhi_2, *subqi_2, *testhi_1): Likewise.
8672 (*testqi_ext_1, *testqi_ext_2, *testqi_ext_3): Likewise.
8673 (*andsi_2, *andhi_2, *andqi_2, *andqi_ext_0_cc): Likewise.
8674 (*iorsi_2, *iorhi_2, *iorqi_2): Likewise.
8675 (*xorsi_2, *xorhi_2, *xorqi_cc_1): Likewise.
8676 (*one_cmplsi2_2, *one_cmplhi2_2, *one_cmplqi2_2): Likewise.
8677 (*ashlsi3_cmpno, *ashlhi3_cmpno, *ashlqi3_cmpno): Likewise.
8678 (*ashrsi3_cmpno, *ashrhi3_cmpno, *ashrqi3_cmpno): Likewise.
8679 (*lshrsi3_cmpno, *lshrhi3_cmpno, *lshrqi3_cmpno): Likewise.
8680 (appropriate peepholes): Likewise.
8681 (*cmphi_1, *cmpqi_ccno_1, *cmpqi_1): Star out name.
8682 (*subsi_3, *subhi_3, *subqi_3): Remove.
8683 (*negdi2_1+1 splitter): Use CCZ for neg patterns.
8684 (*negsi2_cmp, *neghi2_cmp, *negqi2_cmp): Remove.
8685 (*negsi2_cmpz): Rename from *negsi2_cmpno, use CCZ.
8686 (*neghi2_cmpz, *negqi2_cmpz): Similarly.
8687 (x86_shift_adj_1): Use CCZ.
8688 (*dbra_ge+1, *dbra_ge+2, ffssi2, ffssi_1): Likewise.
8690 2000-03-27 Stan Cox <scox@cygnus.com>
8692 * resource.h (mark_resource_type): New.
8693 * resource.c (find_dead_or_set_registers, mark_target_live_regs,
8694 find_free_register): Use mark_resource_type.
8695 (mark_set_resources): Change include_delayed_effects
8696 to mark_resource_type.
8697 * reorg.c (steal_delay_list_from_target, try_merge_delay_insns,
8698 redundant_insn, fill_simple_delay_slots, fill_slots_from_thread):
8699 Use mark_resource_type.
8701 2000-03-27 Richard Henderson <rth@cygnus.com>
8703 * i386.md (call_pop_0, call_value_pop_0): New.
8704 (call_pop_1): Remove constraint from unused arg. Support sibcalls.
8705 (call_value_pop_1): Likewise.
8706 (call_0, call_value_0): New.
8707 (call_1, call_value_1): Remove constraint from unused arg.
8709 2000-03-27 Nick Clifton <nickc@cygnus.com>
8711 * invoke.texi (Spec Files): Document new spec % command created by
8712 Tom Tromey's recent patch.
8714 2000-03-27 Jakub Jelinek <jakub@redhat.com>
8716 * libgcc2.h (MIN_UNITS_PER_WORD): Define to UNITS_PER_WORD
8719 Mon Mar 27 06:04:22 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8721 * expr.c (expand_assignment): Fix typo in last change.
8723 * libgcc2.h: Use MIN_UNITS_PER_WORD, not UNITS_PER_WORD.
8725 Sun Mar 26 20:15:26 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8727 * c-convert.c (convert): Return if output or input type is ERROR_MARK.
8728 * c-decl.c (duplicate_decls): Only look at DECL_BUILT_IN_NONANSI
8729 and DECL_INLINE if FUNCTION_DECL.
8730 (pushdecl, redeclaration_error_message): Likewise, for DECL_INLINE.
8731 (store_parm_decls): Check for type of PARM_DECL being ERROR_MARK.
8732 Use DECL_WEAK, not DECL_RESULT, to flag for already seen.
8733 (combine_parm_decls): Likewise.
8734 * ggc-common.c (gcc_mark_tree_children, case 'd'): Use DECL_RESULT_FLD.
8735 * print-tree.c (print_node): Likewise.
8736 Only test DECL_PACKED, DECL_INLINE, DECL_BIT_FIELD, and
8737 DECL_TRANSPARENT_UNION on proper decl types.
8738 Properly handly DECL_INCOMING_RTL and DECL_SAVED_INSNS.
8739 * stor-layout.c (layout_decl): Only check DECL_PACKED and
8740 DECL_BIT_FIELD of FIELD_DECL.
8741 * tree.h (DECL_RESULT_FLD): New macro.
8743 * expr.c (expand_assignment): Add code to handle variable-sized
8746 2000-03-26 Richard Henderson <rth@cygnus.com>
8748 * calls.c (expand_call): Pass parms not original exp to
8749 optimize_tail_recursion. Mind return value instead of looking
8751 * stmt.c (optimize_tail_recursion): Take parameter list, not entire
8752 call_expr. Move checks for call_expr and current_function_decl ...
8753 (expand_return): ... here.
8755 2000-03-26 Tom Tromey <tromey@cygnus.com>
8757 * gcc.c (handle_braces): Recognize `%{<S}' construct.
8758 (SWITCH_OK, SWITCH_FALSE, SWITCH_IGNORE, SWITCH_LIVE): New
8760 (process_command): Use them.
8761 (check_live_switch): Likewise.
8762 (give_switch): Skip ignored switches.
8764 2000-03-26 Jan Hubicka <jh@suse.cz>
8766 * jump.c (jump_optimize_1): Fix typo in elide optimizations
8767 for minimal jump pass test.
8769 2000-03-26 Mark Mitchell <mark@codesourcery.com>
8771 * integrate.c (function_cannot_inline_p): Do inline functions that
8774 Sun Mar 26 11:37:55 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8776 * stor-layout.c (layout_type, set_sizetype): early_type_list is
8777 now a list of TREE_LIST entries, not types.
8778 * tree.c (build_common_tree_nodes_2): Eliminate dupliate type sets.
8780 * expmed.c (extract_bit_field): Ensure BITS_PER_WORD is signed in MAX.
8781 * config/arm/pe.c (arm_pe_return_in_memory): Use host_integerp and
8783 * config/mips/mips.c (function_arg): Likewise; also remove cast
8784 and make variables unsigned or HOST_WIDE_INT and use tree_low_cst.
8785 (mips_function_value): Use int_byte_position and make HOST_WIDE_INT.
8786 * config/mips/abi64.h (SETUP_INCOMING_VARARGS): Offsets are unsigned.
8787 * config/mips/mips.h (BITS_PER_WORD, UNITS_PER_WORD): Cast to unsigned.
8788 (UNITS_PER_FPREG, INT_TYPE_SIZE, LONG_TYPE_SIZE): Likewise.
8789 (POINTER_SIZE, POINTER_BOUNDARY,PARM_BOUNDARY): Likewise.
8790 (GP_REG_P, FP_REG_P, MD_REG_P, ST_REG_P): Ensure subtraction signed.
8791 (struct mips_arg): arg_number, arg_words, fp_arg_words, and
8792 num_adjusts now unsigned.
8793 (FUNCTION_ARG_BOUNDARY): Remove unneeded cast.
8794 * config/sparc/sparc.c (struct function_arg_record_value_parms):
8796 (function_arg_record_value_1): STARTBITPOS arg now HOST_WIDE_INT
8797 as is BITPOS variable; use host_integerp and int_bit_position.
8798 (function_arg_record_value_2): Likewise.
8799 (function_arg_record_value_3): Arg BITPOS now HOST_WIDE_INT.
8800 Variable REGNO now unsigned.
8801 (function_arg_record_value): NREGS now unsigned.
8803 2000-03-26 Bernd Schmidt <bernds@cygnus.co.uk>
8805 * jump.c (mark_all_labels): Handle CALL_PLACEHOLDERs.
8807 Sat Mar 25 09:12:10 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8809 * Rework fields used to describe positions of bitfields and
8810 modify sizes to be unsigned and use HOST_WIDE_INT.
8811 * alias.c (reg_known_value_size): Now unsigned.
8812 * c-typeck.c (build_unary_op, case ADDR_EXPR): Use byte_position.
8813 (really_start_incremental_init): Use bitsize_zero_node.
8814 (push_init_level, pop_init_level, output_init_element): Likewise.
8815 Use bitsize_unit_node and bitsize_one_node.
8816 (output_pending_init_elements, process_init_element): Likewise.
8817 * combine.c (combine_max_regno, reg_sign_bit_copies): Now unsigned.
8818 (make_extraction): Position and length HOST_WIDE_INT and unsigned
8819 HOST_WIDE_INT, respectively.
8820 (get_pos_from_mask): Passed in value is unsigned HOST_WIDE_INT.
8821 (num_sign_bit_copies): Returns unsigned.
8822 BITWIDTH now unsigned; rework arithmetic.
8823 Remove recursive call from arg to MAX.
8824 (combine_instructions, init_reg_last_arrays): NREGS now unsigned.
8825 (setup_incoming_promotions, can_combine_p, try_combine, simplify_set):
8827 (set_nonzero_bit_and_sign_copies): NUM now unsigned.
8828 (find_split_point, expand_compound_operation, make_extraction): LEN
8829 now unsigned HOST_WIDE_INT, POS now HOST_WIDE_INT.
8830 (make_field_assignment): Likewise.
8831 (combine_simplify_rtx): Add cast.
8832 (expand_compound_operation): MODEWIDTH now unsigned; rework arithmetic.
8833 (force_to_mode): WIDTH now unsigned; add cast.
8834 (if_then_else_cond): SIZE now unsigned.
8835 (nonzero_bits): MODE_WIDTH, RESULT_WIDTH, and WIDTH now unsigned.
8836 (extended_count): Now returns unsigned.
8837 (simplify_shift_const): COUNT unsigned; arg is now INPUT_COUNT.
8838 Add SIGNED_COUNT variable; MODE_WORDS and FIRST_COUNT now unsigned.
8839 (simplify_comparison): MODE_WIDTH now unsigned.
8840 (update_table_tick): REGNO and ENDREGNO now unsigned; new var R.
8841 (mark_used_regs_combine): Likewise; rework arithmetic.
8842 (record_value_for_reg): REGNO, ENDREGNO, and I now unsigned.
8843 (record_dead_and_set_regs, reg_dead_at_p, distribute_notes): Likewise.
8844 (record_promoted_value): REGNO now unsigned.
8845 (get_last_value_validate): REGNO, ENDREGNO, and J now unsigned.
8846 (get_last_value): REGNO now unsigned.
8847 (use_crosses_set_p): REGNO and ENDREGNO now unsigned.
8848 (reg_dead_regno, reg_dead_endregno): Now unsigned.
8849 (remove_death): Arg REGNO now unsigned.
8850 (move_deaths): REGNO, DEADREGNO, DEADEND, OUREND, and I now unsigned.
8851 (reg_bitfield_target_p): REGNO, REGNO, ENDREGNO, and ENDTREGNO
8853 * convert.c (convert_to_integer): INPREC and OUTPREC now unsigned.
8854 * cse.c (struct qty_table_elem): FIRST_REG and LAST_REG now unsigned.
8855 (struct cse_reg_info): REGNO now unsigned.
8856 (cached_regno): Now unsigned.
8857 (REGNO_QTY_VALID_P): Add cast.
8858 (make_new_qty, make_regs_eqv, delete_reg_eqiv): Regno args unsigned.
8859 (remove_invalid_regs): Likewise.
8860 (remove_invalid_subreg_refs): Likewise; arg WORD also unsigned
8861 as are variables END and I.
8862 (get_cse_reg_info, insert): Likewise.
8863 (mention_regs, invalidate_for_call): REGNO, ENDREGNO, and I unsigned.
8864 (canon_hash): Likewise.
8865 (insert_regs, lookup_for_remove): REGNO now unsigned.
8866 (invalidate): REGNO, ENDREGNO, TREGNO, and TENDREGNO now unsigned.
8868 * dbxout.c (dbxout_parms, dbxout_reg_parms): Don't check for REGNO < 0.
8869 * dwarf2out.c (dwarf2ou_frame_debug_expr): Remove cast.
8870 * emit-rtl.c (subreg_realpart_p): Add cast.
8871 (operand_subword): Arg I is now unsigned as is var PARTWORDS.
8872 (operand_subword_force): Arg I is now unsigned.
8873 * except.c (eh_regs): Variable I is now unsigned.
8874 * explow.c (hard_function_value): BYTES is unsigned HOST_WIDE_INT.
8875 * expmed.c (store_fixed_bit_field): Position is HOST_WIDE_INT;
8876 length is unsigned HOST_WIDE_INT; likewise for internal variables.
8877 (store_split_bit_field, extract_fixed_bit_field): Likewise.
8878 (extract_split_bit_field, store_bit_field, extract_bit_field):
8880 * expr.c (store_constructor_fields, store_constructor, store_field):
8881 Positions are HOST_WIDE_INT and lengths are unsigned HOST_WIDE_INT.
8882 (expand_assignment, expand_expr, expand_expr_unaligned): Likewise.
8883 (do_jump): Likewise.
8884 (move_by_pieces, move_by_pieces_ninsns, clear_by_pieces):
8885 MAX_SIZE is now unsigned.
8886 (emit_group_load): BYTEPOS is HOST_WIDE_INT; BYTELEN is unsigned.
8887 (emit_group_store): Likewise.
8888 (emit_move_insn): I now unsigned.
8889 (store_constructor): Use host_integerp, tree_low_cst, and
8891 (get_inner_reference): Return bitpos and bitsize as HOST_WIDE_INT.
8892 Rework all calculations to use trees and new fields.
8893 * expr.h (promoted_input_arg): Regno now unsigned.
8894 (store_bit_field, extract_bit_field): Adjust types of pos and size.
8895 (mark_seen_cases): Arg is HOST_WIDE_INT.
8896 * flow.c (verify_wide_reg_1): REGNO now unsigned.
8897 * fold-const.c (decode_field_reference): Size and pos HOST_WIDE_INT;
8898 precisions and alignments are unsigned.
8899 (optimize_bit_field_compare, fold_truthop): Likewise.
8900 (int_const_binop): Adjust threshold for size_int_type_wide call.
8901 (fold_convert): Likewise.
8902 (size_int_type_wide): Make table larger and fix thinko that only
8903 had half of table used.
8904 (all_ones_mask_p, fold): Precisions are unsigned.
8905 * function.c (put_reg_info_stack): REGNO is unsigned.
8906 (instantiate_decl): Size is HOST_WIDE_INT.
8907 (instantiate_virtual_regs): I is unsigned.
8908 (assign_parms): REGNO, REGNOI, and REGNOR are unsigned.
8909 (promoted_input_arg): REGNO is unsigned.
8910 * function.h (struct function): x_max_parm_reg is now unsigned.
8911 * gcse.c (max_gcse_regno): Now unsigned.
8912 (struct null_pointer_info): min_reg and max_reg now unsigned.
8913 (lookup_set, next_set): REGNO arg now unsigned.
8914 (compute_hash_table): REGNO and I now unsigned.
8915 (handle_avail_expr): regnum_for_replacing now unsigned.
8916 (cprop_insn): REGNO now unsigned.
8917 (delete_null_pointer_checks_1): BLOCK_REG now pointer to unsigned.
8918 * ggc-common.c (ggc_mark_tree_children, case FIELD_DECL): New case.
8919 * global.c (set_preference): SRC_REGNO, DEST_REGNO, and I now unsigned.
8920 * hard-reg-set.h (reg_class_size): Now unsigned.
8921 * integrate.c (mark_stores): LAST_REG and I now unsigned; new UREGNO.
8922 * jump.c (mark_modified_reg): I now unsigned; add cast.
8923 (rtx_equal_for_thread_p): Add cast.
8924 * loop.c (max_reg_before_loop): Now unsigned.
8925 (struct_movable): REGNO now unsigned.
8926 (try_copy_prop): REGNO arg unsigned.
8927 (regs_match_p): XN and YN now unsigned.
8928 (consec_sets_invariant_p, maybe_eliminate_biv): REGNO now unsigned.
8929 (strength_reduce): Likewise; NREGS also unsigned.
8930 (first_increment_giv, last_increment_giv unsigned): Now unsigned.
8931 * loop.h (struct iv_class): REGNO now unsigned.
8932 (max_reg_before_loop, first_increment_giv, last_increment_giv):
8934 * machmode.h (mode_size, mode_unit_size): Now unsigned.
8935 (mode_for_size, smallest_mode_for_size): Pass size as unsigned.
8936 * optabs.c (expand_binop): I and NWORDS now unsigned.
8937 (expand_unop): I now unsigned.
8938 * print-tree.c (print_node): Don't print DECL_FIELD_BITPOS, but do
8939 print DECL_FIELD_OFFSET and DECL_FIELD_BIT_OFFSET.
8940 * real.c (significand_size): Now returns unsigned.
8941 * real.h (significand_size): Likewise.
8942 * regclass.c (reg_class_size): Now unsigned.
8943 (choose_hard_reg_mode): Both operands now unsigned.
8944 (record_reg_classes): REGNO and NR now unsigned.
8945 (reg_scan): NREGS now unsigned.
8946 (reg_scan_update): old_max_regno now unsigned.
8947 (reg_scan_mark_refs): Arg MIN_REGNO and var REGNO now unsigned.
8948 * reload.c (find_valid_class): BEST_SIZE now unsigned.
8949 (find_dummy_reload): REGNO, NWORDS, and I now unsigned.
8950 (hard_reg_set_here_p): Args BEG_REGNO and END_REGNO now unsigned.
8951 Likewise for variable R.
8952 (refers_to_regno_for_reload_p): Args REGNO and END_REGNO now unsigned,
8953 as are variables INNER_REGNO and INNER_ENDREGNO; add new variable R.
8954 (find_equiv_reg): Add casts.
8955 (regno_clobbered_p): Arg REGNO now unsigned.
8956 * reload.h (struct reload): NREGS now unsigned.
8957 (refers_to_regno_for_reload_p): Regno args are unsigned.
8958 (regno_clobbered_p): Likewise.
8959 * reload1.c (reg_max_ref_width, spill_stack_slot_width): Now unsigned.
8960 (compute_use_by_pseudos): REGNO now unsigned.
8961 (find_reg): I and J now unsigned, new variable K, and change loop
8962 variables accordingly; THIS_NREGS now unsigned.
8963 (alter_reg): INHERENT_SIZE and TOTAL_SIZE now unsigned.
8964 (spill_hard_reg): REGNO arg now unsigned; add casts.
8965 (forget_old_reloads_1): REGNO, NR, and I now unsigned.
8966 (mark_reload_reg_in_use): Arg REGNO and vars NREGS and I now unsigned.
8967 (clear_reload_reg_in_use): Arg REGNO and vars NREGS, START_REGNO,
8968 END_REGNO, CONFLICT_START, and CONFLICT_END now unsigned.
8969 (reload_reg_free_p, reload_reg_reaches_end_p): Arg REGNO now unsigned.
8970 (choose_reload_regs): MAX_GROUP_SIZE now unsigned.
8971 (emit_reload_insns): REGNO now unsigned.
8972 (reload_cse_move2add): Add cast.
8973 (move2add_note_store): REGNO and I now unsigned; new variable ENDREGNO
8975 * resource.c (mark_referenced_resources, mark_set_resources): New
8976 variable R; REGNO and LAST_REGNO now unsigned.
8977 (mark_target_live_regs): J and REGNO now unsigned.
8978 * rtl.c (mode_size, mode_unit_size): Now unsigned.
8979 * rtl.h (union rtunion_def): New field rtuint.
8980 (XCUINT): New macro.
8981 (ADDRESSOF_REGNO, REGNO, SUBREG_WORD): New XCUINT.
8982 (operand_subword, operand_subword_force): Word number is unsigned.
8983 (choose_hard_reg_mode): Operands are unsigned.
8984 (refers_to-regno_p, dead_or_set_regno_p): Regno arg is unsigned.
8985 (find_regno_note, find_regno_fusage, replace_regs): Likewise.
8986 (regno_use_in, combine_instructions, remove_death): Likewise.
8987 (reg_scan, reg_scan_update): Likewise.
8988 (extended_count): Return is unsigned.
8989 * rtlanal.c (refers_to_regno_p): Args REGNO and ENDREGNO and vars I,
8990 INNER_REGNO, and INNER_ENDREGNO now unsigned; new variable X_REGNO.
8991 (reg_overlap_mentioned_p): REGNO and ENDREGNO now unsigned.
8992 (reg_set_last_first_regno, reg_set_last_last_regno): Now unsigned.
8993 (reg_reg_last_1): FIRS and LAST now unsigned.
8994 (dead_or_set_p): REGNO, LAST_REGNO, and I now unsigned.
8995 (dead_or_set_regno_p): Arg TEST_REGNO and vars REGNO and ENDREGNO
8997 (find_regno_note, regno_use_in): Arg REGNO now unsigned.
8998 (find_regno_fusage): Likewise; also var REGNOTE now unsigned.
8999 (find_reg_fusage): Variables REGNO, END_REGNO, and I now unsigned.
9000 (replace_regs): Arg NREGS now unsigned.
9001 * sdbout.c (sdbout_parms, sdbout_reg_parms): Don't check REGNO < 0.
9002 * simplify-rtx.c (simplify_unary_operation): WIDTH now unsigned.
9003 (simplify_binary_operation): Likewise.
9004 (cselib_invalidate_regno): Arg REGNO and variables ENDREGNO, I, and
9005 THIS_LAST now unsigned.
9006 (cselib_record_set): Add cast.
9007 * ssa.c (ssa_max_reg_num): Now unsigned.
9008 (rename_block): REGNO now unsigned.
9009 * stmt.c (expand_return): Bit positions unsigned HOST_WIDE_INT;
9011 (all_cases_count): Just return -1 not -2.
9012 COUNT, MINVAL, and LASTVAL now HOST_WIDE_INT.
9013 Rework tests to use trees whenever possible.
9014 Use host_integerp and tree_low_cst.
9015 (mark_seen_cases): COUNT arg now HOST_WIDE_INT;
9016 Likewise variable NEXT_NODE_OFFSET; XLO now unsigned.
9017 (check_for_full_enumeration_handing): BYTES_NEEDED, I to HOST_WIDE_INT.
9018 * stor-layout.c (mode_for_size): SIZE arg now unsigned.
9019 (smallest_mode_for_size): Likewise.
9020 (layout_decl): Simplify handing of a specified DECL_SIZE_UNIT.
9021 KNOWN_ALIGN is now an alignment, so simplify code.
9022 Don't turn off DECL_BIT_FIELD if field is BLKmode, but not type.
9023 (start_record_layout): Renamed from new_record_layout_info.
9024 Update to new fields.
9025 (debug_rli, normalize_rli, rli_size_unit_so_far, rli_size_so_far):
9027 (place_union_field): Renamed from layout_union_field.
9028 Update to use new fields in rli.
9029 (place_field): Renamed from layout_field.
9030 Major rewrite to use new fields in rli; pass alignment to layout_decl.
9031 (finalize_record_size): Rework to use new fields in rli and handle
9033 (compute_record_mode): Rework to simplify and to use new DECL fields.
9034 (finalize_type_size): Make rounding more consistent.
9035 (finish_union_layout): Deleted.
9036 (layout_type, case VOID_TYPE): Don't set TYPE_SIZE_UNIT either.
9037 (layout_type, case RECORD_TYPE): Call new function names.
9038 (initialize_sizetypes): Set TYPE_IS_SIZETYPE.
9039 (set_sizetype): Set TYPE_IS_SIZETYPE earlier.
9040 (get_best_mode): UNIT is now unsigned; remove casts.
9041 * tree.c (bit_position): Compute from new fields.
9042 (byte_position, int_byte_position): New functions.
9043 (print_type_hash_statistics): Cast to remove warning.
9044 (build_range_type): Use host_integerp and tree_low_cst to try to hash.
9045 (build_index_type): Likewise; make subtype of sizetype.
9046 (build_index_2_type): Pass sizetype to build_range_type.
9047 (build_common_tree_nodes): Use size_int and bitsize_int to
9048 initialize nodes; add bitsize_{zero,one,unit}_node.
9049 * tree.h (DECL_FIELD_CONTEXT): Use FIELD_DECL_CHECK.
9050 (DECL_BIT_FIELD_TYPE, DECL_QUALIFIER, DECL_FCONTEXT): Likewise.
9051 (DECL_PACKED, DECL_BIT_FIELD): Likewise.
9052 (DECL_FIELD_BITPOS): Deleted.
9053 (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): New fields.
9054 (DECL_RESULT, DECL_SAVED_INSNS): Use FUNCTION_DECL_CHECK.
9055 (DECL_FRAME_SIZE, DECL_FUNCTION_CODE, DECL_NO_STATIC_CHAIN): Likewise.
9056 (DECL_INLINE, DECL_BUILT_IN_NONANSI, DECL_IS_MALLOC): Likewise.
9057 (DECL_BUILT_IN_CLASS, DECL_STATIC_CONSTRUCTOR): Likewise.
9058 (DECL_STATIC_DESTRUCTOR, DECL_NO_CHECK_MEMORY_USAGE): Likewise.
9059 (DECL_NO_INSTRUMENT_FUNCTION_ENTRY_EXIT, DECL_NO_LIMIT_STACK) Likewise.
9060 (DECL_ORIGINAL_TYPE, TYPE_DECL_SUPPRESS_DEBUG): Use TYPE_DECL_CHECK.
9061 (DECL_ARG_TYPE_AS_WRITEN, DECL_ARG_TYPE): Use PARM_DECL_CHECK.
9062 (DECL_INCOMING_RTL, DECL_TRANSPARENT_UNION): Likewise.
9063 (DECL_ALIGN): Adjust to new field in union.
9064 (DECL_OFFSET_ALIGN): New field.
9065 (DECL_ERROR_ISSUED, DECL_TOO_LATE): Use LABEL_DECL_CHECK.
9066 (DECL_IN_TEXT_SECTION): Use VAR_DECL_CHECK.
9067 (union tree_decl): Add struct for both aligns.
9068 (enum tree_index): Add TI_BITSIZE_{ZERO,ONE,UNIT}.
9069 (bitsize_zero_node, bitsize_one_node, bitsize_unit_node): Added.
9070 (struct record_layout_info): Rework fields to have offset
9071 alignment and byte and bit position.
9072 (start_record_layout, place_field): Renamed from old names.
9073 (rli_size_so_far, rli_size_unit_so_far, normalize_rli): New decls.
9074 (byte_position, int_byte_position): Likewise.
9075 (get_inner_reference): Change types of position and length.
9076 * unroll.c (unroll_loop): New variable R; use for some loops.
9077 MAX_LOCAL_REGNUM and MAXREGNUM now unsigned.
9078 (calculate_giv_inc): Arg REGNO now unsigned.
9079 (copy_loop_body): REGNO and SRC_REGNO now unsigned.
9080 * varasm.c (assemble_variable): Clean up handling of size using
9081 host_integerp and tree_low_cst.
9082 (decode_addr_const): Use byte, not bit, position.
9083 (output_constructor): bitpos and offsets are HOST_WIDE_INT;
9084 use tree_low_cst and int_bit_position.
9085 * objc/objc-act.c (build_ivar_list_initializer): Use byte_position.
9087 Fri Mar 24 20:13:49 2000 Jason Eckhardt <jle@cygnus.com>
9089 * bb-reorder.c (REORDER_MOVED_BLOCK_END): Removed.
9090 (reorder_block_def): New members eff_head and eff_end.
9091 (REORDER_BLOCK_EFF_HEAD, REORDER_BLOCK_EFF_END): New macros.
9092 (verify_insn_chain): New function.
9093 (skip_insns_between_block): Add code to skip deleted insns.
9094 Check for note before using.
9095 (chain_reorder_blocks): Replace calls to skip_insns_between_block
9096 with references to REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END.
9097 Check for note before using.
9098 (make_reorder_chain): Use INTVAL rather than XINT to get REG_BR_PROB.
9099 (fixup_reorder_chain): Restructure, clean up, defect removal.
9100 (reorder_basic_blocks): Remove last_insn and references to it.
9101 Moved insn chain verification code into a new function (see above).
9102 Delete defective code that sets last insn.
9103 Initialize REORDER_BLOCK_EFF_HEAD and REORDER_BLOCK_EFF_END for
9106 2000-03-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9108 * config/c4x/c4x.h (CPP_SPEC): Remove erroneous space.
9110 2000-03-24 Richard Henderson <rth@cygnus.com>
9112 * tree.c (lang_safe_for_unsave): Remove.
9113 (unsafe_for_reeval): Transmute and rename from safe_for_unsave,
9114 allowing for two levels of unsafeness. Remove lang hook.
9115 * tree.h: Update declarations.
9116 * calls.c (expand_call): Rename safe_for_reeval to try_tail_call.
9117 Create temporary VAR_DECLs to protect very unsafe_for_reeval trees.
9118 Always fail sibcalls when there are pending cleanups.
9120 2000-03-24 Geoff Keating <geoffk@cygnus.com>
9122 * flow.c (propagate_block): When we delete an ADDR_VEC,
9123 also delete the BARRIER following it if there is one.
9125 2000-03-24 Richard Henderson <rth@cygnus.com>
9127 * builtins.c (expand_builtin_bzero): Convert `length' argument
9130 2000-03-24 Jakub Jelinek <jakub@redhat.com>
9132 * sibcall.c (skip_copy_to_return_value): Use OUTGOING_REGNO for
9133 comparison if regno's are equal.
9134 * calls.c (initialize_argument_informat): Add ecf_flags argument.
9135 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
9136 (expand_call): Update caller.
9137 Avoid making a sibling call if argument size of the callee is larger
9138 than argument size of the caller.
9139 Call hard_function_value with outgoing set if in sibcall pass.
9140 Use FUNCTION_INCOMING_ARG if available and ECF_SIBCALL.
9142 * final.c (permitted_reg_in_leaf_functions, only_leaf_regs_used):
9143 Change LEAF_REGISTERS from an array initializer to actual array
9144 identifier. Move static global variable into the function.
9145 (leaf_function_p): Allow SIBLING_CALL_P calls even outside of
9146 sequences for leaf functions.
9147 * global.c (global_alloc): Likewise.
9148 * tm.texi (LEAF_REGISTERS): Update documentation.
9150 * config/sparc/sparc.h (CONDITIONAL_REGISTER_USAGE): Remove the ugly
9151 TARGET_FLAT leaf disabling hack.
9152 (LEAF_REGISTERS): Changed from an array initializer to actual array
9153 identifier to avoid duplication and remove the above hack.
9154 (FUNCTION_OK_FOR_SIBCALL): Define.
9155 * config/sparc/sparc.md (sibcall): New attr type. Use it almost
9156 always like call attribute.
9157 (eligible_for_sibcall_delay): New attribute.
9158 (sibcall): New delay type.
9159 (sibcall, sibcall_value, sibcall_epilogue): New expands.
9160 (sibcall_symbolic_sp32, sibcall_symbolic_sp64,
9161 sibcall_value_symbolic_sp32, sibcall_value_symbolic_sp64): New insns.
9162 * config/sparc/sparc.c (sparc_leaf_regs): New array.
9163 (eligible_for_sibcall_delay, output_restore_regs, output_sibcall):
9165 (output_function_epilogue): Move part of the code into
9166 output_restore_regs.
9167 (ultra_code_from_mask, ultrasparc_sched_reorder): Handle
9169 * sparc-protos.h (output_sibcall, eligible_for_sibcall_delay): New
9172 * config/sparc/sparc.h (REVERSIBLE_CC_MODE): Revert Jan, 25 change
9173 until infrastructure is finished.
9175 Fri Mar 24 13:49:45 2000 Jeffrey A Law (law@cygnus.com)
9177 * integrate.c (save_for_inline_nocopy): Clear in_nonparm_insns here.
9178 (save_parm_insns): Not here.
9180 2000-03-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9182 * builtins.c (expand_builtin_bzero): New function.
9183 (expand_builtin): Handle bzero.
9185 * builtins.def: Add BUILT_IN_BZERO.
9187 * c-common.c (c_common_nodes_and_builtins): Provide builtin
9188 prototype & function for bzero.
9190 2000-03-23 Michael Meissner <meissner@redhat.com>
9192 * config/alpha/alpha.md (TF floating point insns): Undo 2000-03-21
9193 change adding TARGET_FP to the TF floating point insns, except for
9194 trunctfsf2, which generates direct calls to truncdfsf2.
9196 2000-03-23 Geoff Keating <geoffk@cygnus.com>
9198 * config/rs6000/rs6000.h (ARG_POINTER_CFA_OFFSET): New definition,
9199 try to protect against middle-end changes that break binary
9201 (DWARF_FRAME_REGISTERS): New definition, likewise for backend.
9203 2000-03-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9205 * config/c4x/c4x.md (load_immed_address): Add DP reg clobber.
9207 Thu Mar 23 17:10:48 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9209 * calls.c (expand_call): If TARGET is passed by reference and
9210 is readonly, write a CLOBBER.
9212 2000-03-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9214 * builtins.c (expand_builtin): Handle bcmp.
9216 * builtins.def: Add BUILT_IN_BCMP.
9218 * c-common.c (c_common_nodes_and_builtins): Provide builtin
9219 prototype & function for bcmp.
9221 Thu Mar 23 11:34:39 2000 Jim Wilson <wilson@cygnus.com>
9223 * config/ia64/ia64.c (rtx_needs_barrier, case UNSPEC): Move case 6...
9224 (rtx_needs_barrier, case UNSPEC_VOLATILE): to here.
9225 * config/ia64/ia64.md (pr_restore): Change UNSPEC to UNSPEC_VOLATILE.
9227 Thu Mar 23 16:04:40 2000 Andrew Haley <aph@cygnus.com>
9229 * config/mips/mips.md (movdf_internal1a): Delete (set 'f', 'F')
9230 alternative when using -fp64 -gp32.
9232 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
9234 * config/rs6000/rs6000.h (DWARF_FRAME_RETURN_COLUMN): Define.
9235 * config/alpha/alpha.h (DWARF_FRAME_RETURN_COLUMN): Define.
9236 * config/sparc/sparc.h (DWARF_FRAME_RETURN_COLUMN): Define.
9238 * frame.h (frame_state): Revert last change.
9239 * frame.c (execute_cfa_insn): Just don't record the save of a CFA reg.
9240 * libgcc2.c (throw_helper): Revert last change.
9242 2000-03-22 Richard Henderson <rth@cygnus.com>
9244 * stmt.c (expand_asm_operands): Don't promote the temporary.
9246 2000-03-22 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
9248 * builtin.c (get_pointer_alignment): Use DECL_P and TYPE_P macros.
9249 * c-common.c (decl_attributes,check_format_info,truthvalue_conversion,
9250 c_get_alias_set): Likewise.
9251 * c-decl.c (duplicate_decls): Likewise.
9252 * c-typeck.c (default_conversion,build_unary_op): Likewise.
9253 * calls.c (initialize_argument_information): Likewise.
9254 * dwarf2out.c (decl_class_context,add_abstract_origin_attribute):
9256 * dwarfout.c (decl_class_context,output_type): Likewise.
9257 * expr.c (get_inner_reference): Likewise.
9258 * fold-const.c (simple_operand_p,fold): Likewise.
9259 * function.c (aggregate_value_p): Likewise.
9260 * stmt.c (expand_asm_operands): Likewise.
9261 * varasm.c (named_section): Likewise.
9263 2000-03-22 Jason Merrill <jason@casey.cygnus.com>
9265 Implement dwarf2 exception handling for the ARM.
9266 * config/arm/arm.h (INCOMING_RETURN_ADDR_RTX): Define.
9267 (DWARF_FRAME_RETURN_COLUMN): Define.
9268 * config/arm/arm.c (emit_multi_reg_push): Return rtx. Attach
9269 REG_FRAME_RELATED_EXPR note.
9270 (emit_sfm): Likewise.
9271 (arm_expand_prologue): Set RTX_FRAME_RELATED_P on everything.
9272 * dwarf2out.c (reg_save): Handle saving a register to itself.
9273 (dwarf2out_frame_debug_expr): Handle an intermediate cfa reg.
9274 * except.c (eh_regs): Don't use the static chain reg if it's
9276 * frame.h (frame_state): Add cfa_saved field.
9277 * frame.c (execute_cfa_insn): Set it.
9278 * libgcc2.c (throw_helper): Don't adjust sp if it's restored in
9280 * function.c (ARG_POINTER_CFA_OFFSET): Default to FIRST_PARM_OFFSET.
9282 (instantiate_virtual_regs): Adjust.
9284 * config/m68k/m68k.h (ARG_POINTER_CFA_OFFSET): Don't define.
9285 * config/ns32k/ns32k.h (ARG_POINTER_CFA_OFFSET): Don't define.
9286 * config/sparc/sparc.h (ARG_POINTER_CFA_OFFSET): Take a parm.
9288 * dwarf2out.c (reg_number): Refer to FIRST_PSEUDO_REGISTER.
9289 (initial_return_save): Use DWARF_FRAME_REGNUM, not reg_number.
9291 2000-03-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9293 * builtins.def: New file.
9295 * Makefile.in (TREE_H): Depend on builtins.def.
9297 * builtins.c (built_in_names): Use builtins.def.
9299 * tree.h (built_in_function): Likewise.
9301 2000-03-22 Mark Mitchell <mark@codesourcery.com>
9303 * tree.c (size_in_bytes): Return size_zero_node, not
9306 2000-03-22 Geoff Keating <geoffk@cygnus.com>
9308 * config/fp-bit.c (pack_d): Correct the case when a denormal
9309 is rounded up and stops being denormal.
9311 2000-03-21 Richard Henderson <rth@cygnus.com>
9313 * config/alpha/alpha.c (function_arg): Check for void_type_node
9314 before using MUST_PASS_IN_STACK.
9316 2000-03-21 Stephane Carrez <stcarrez@worldnet.fr>
9318 * regmove.c (combine_stack_adjustments_for_block): Check that
9319 the stack pointer is a valid memory address.
9321 Wed Mar 22 11:44:50 MET 2000 Jan Hubicka <jh@suse.cz>
9323 * calls.c: re-install Mar 16 emit_library_call merge.
9325 2000-03-21 Jakub Jelinek <jakub@redhat.com>
9327 * config/sparc/sparc.c (mem_min_alignment): If not optimizing,
9328 we cannot be sure that if reload_completed base register will
9329 be properly aligned.
9331 2000-03-21 Richard Henderson <rth@cygnus.com>
9333 * flow.c (delete_block): Fix typo last change.
9335 2000-03-21 Mark Mitchell <mark@codesourcery.com>
9337 * c-common.c (c_expand_expr_stmt): Use COMPLETE_TYPE_OR_VOID_P,
9338 not COMPLETE_TYPE_P, to check the type of the expression.
9340 2000-03-21 Michael Meissner <meissner@redhat.com>
9342 * config/alpha/alpha.md (floating point insns): Add TARGET_FP to
9343 all floating point insns that just tested the macro
9344 TARGET_HAS_XFLOATING_LIBS.
9345 (movsf/movdf recognizers): Add separate insns if -mno-fp-regs is
9346 used to only use the gprs.
9348 2000-03-21 Nathan Sidwell <nathan@codesourcery.com>
9350 * tree.h (COMPLETE_TYPE_P): New macro.
9351 (COMPLETE_OR_VOID_TYPE_P): New macro.
9352 (COMPLETE_OR_UNBOUND_ARRAY_TYPE_P): New macro.
9353 * stor-layout.c (layout_type, case VOID_TYPE): Don't set TYPE_SIZE.
9354 * c-aux-info.c (gen_type): Use them.
9355 * c-common.c (c_expand_expr_stmt): Likewise.
9356 * c-decl.c (poplevel, pushdecl, start_decl, finish_decl,
9357 grokdeclarator, grokparms, finish_struct, start_function,
9358 store_parm_decls, combine_parm_decls): Likewise.
9359 * c-parse.y (cast_expr): Likewise.
9360 * c-typeck.c (require_complete_type, c_sizeof, c_sizeof_nowarn,
9361 c_size_in_bytes, c_alignof, build_component_ref,
9362 build_indirect_ref, build_array_ref, convert_arguments,
9363 build_binary_op, pointer_diff, build_unary_op, digest_init: Likewise.
9364 * calls.c (initialize_argument_information): Likewise.
9365 * convert.c (convert_to_integer): Likewise.
9366 * dbxout.c (dbxout_typedefs, dbxout_type, dbxout_symbol): Likewise.
9367 * dwarfout.c (location_or_const_value_attribute,
9368 output_enumeration_type_die, output_structure_type_die,
9369 output_union_type_die, output_type): Likewise.
9370 * expr.c (safe_from_p, expand_expr): Likewise.
9371 * function.c (assign_parms): Likewise.
9372 * sdbout.c (sdbout_symbol, sdbout_one_type): Likewise.
9373 * tree.c (build_array_type, build_function_type,
9374 build_method_type, build_offset_type, build_complex_type): Likewise.
9375 * c-parse.c, c-parse.h: Regenerated.
9377 2000-03-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9379 * config/c4x/rtems.h: Include config/rtems.h.
9381 Tue Mar 21 09:24:00 2000 Denis Chertykov <denisc@overta.ru>
9383 * config/avr/avr.c (encode_section_info): sets SYMBOL_REF_FLAG if
9384 decl is a FUNCTION_DECL
9386 Mon Mar 20 19:53:53 2000 Jim Wilson <wilson@cygnus.com>
9388 * config/ia64/ia64.c (ia64_expand_prologue): Don't abort if leaf
9389 function uses output registers. Don't save RP for leaf functions.
9390 Do save RP even if no epilogue.
9391 * config/ia64/ia64.h (FIXED_REGISTERS): Unmark in/out registers.
9392 (CALL_USED_REGISTERS): Unmark in registers.
9393 (REG_ALLOC_ORDER): Move out regs up, to near the top. Move in regs up,
9396 2000-03-20 Geoff Keating <geoffk@cygnus.com>
9398 * config/rs6000/rs6000.md (bunordered): New expander.
9399 (bordered): New expander.
9400 (buneq): New expander.
9401 (bunge): New expander.
9402 (bungt): New expander.
9403 (bunle): New expander.
9404 (bunlt): New expander.
9405 (bltgt): New expander.
9407 * config/rs6000/rs6000.c (ccr_bit): Handle unordered comparisons.
9408 (ccr_bit_negated_p): New function.
9409 (print_operand): For %C, generate appropriate cror for UNEQ,
9410 UNLT, UNGT, and LTGT. For %T and %t, use ccr_bit_negated_p.
9412 2000-03-20 Andreas Jaeger <aj@suse.de>
9414 * sdbout.c (sdbout_one_type): Add braces to avoid "ambigous else"
9417 * tree.h (safe_for_unsave): Prototype.
9419 2000-03-20 Richard Henderson <rth@cygnus.com>
9421 * regmove.c (stack_memref_p): Fix typo, reorg for readability.
9422 (combine_stack_adjustments_for_block): Don't allow sp references
9423 in the side of a set we're not fixing up.
9424 * toplev.c (rest_of_compilation): Run combine_stack_adjustments
9425 after life_analysis.
9427 2000-03-20 Richard Henderson <rth@cygnus.com>
9429 * calls.c (expand_call): Don't bother generating tail call
9430 sequences if there are pending cleanups. Use
9431 expand_start_target_temps/expand_end_target_temps to elide
9432 cleanups created during sibcall expansion.
9434 2000-03-20 Geoff Keating <geoffk@cygnus.com>
9436 * configure.in: Set $IFS to a value if it doesn't already have one
9437 in the --enable-checking handling.
9438 * configure: Regenerate.
9440 2000-03-20 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9442 * c-parse.in (SAVE_WARN_FLAGS): Use size_int.
9443 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
9446 Mon Mar 20 11:43:15 MET 2000 Jan Hubicka <jh@suse.cz>
9448 * jump.c (delete_noop_moves): Remove code attempting to
9449 combine stack adjustments.
9451 2000-03-19 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9453 * emit-rtl.c (push_to_full_sequence, end_full_sequence): New functions.
9454 * except.c (emit_cleanup_handler): Use them.
9455 (expand_end_all_catch): Likewise.
9456 * function.c (fixup_var_refs): Likewise.
9457 (expand_function_end): Clear catch_clauses_last.
9458 * rtl.h (push_to_full_sequence, end_full_sequence): Declare.
9459 * except.h (struct eh_status): New field x_catch_clauses_last.
9460 (catch_clauses_last): New define.
9462 * Makefile.in (tree.o): Depend on HASHTAB_H.
9463 * tree.c: Include hashtab.h.
9464 (struct type_hash): Remove next field.
9465 (TYPE_HASH_SIZE): Remove.
9466 (TYPE_HASH_INITIAL_SIZE): New define.
9467 (type_hash_table): Change type to htab_t.
9468 (type_hash_eq, type_hash_hash, print_type_hash_statistics,
9469 mark_hash_entry): New functions.
9470 (init_obstacks): Allocate type hash.
9471 (type_hash_lookup): Use htab functions.
9472 (type_hash_add, mark_type_hash): Likewise.
9473 (dump_tree_statistics): Call print_type_hash_statistics.
9475 2000-03-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9477 * rs6000/t-aix41: New file.
9479 * configure.in ({rs6000,powerpc}-ibm-aix4.[12]*): Use it.
9481 Sun Mar 19 13:27:30 2000 Hans-Peter Nilsson <hp@axis.com>
9483 * tm.texi (Driver): Fix typos and tweak entry for
9485 Move misplaced STRUCT_FORCE_BLK entry ...
9486 (Storage Layout): ... to here.
9487 (Run-time Target): Recommend having TARGET_MASK_... helper macros.
9489 2000-03-19 Richard Henderson <rth@cygnus.com>
9491 * flow.c (delete_block): Delete the addr_vec along with the block.
9492 (flow_delete_insn): Decrement LABEL_NUSES when deleting insns that
9495 * fold-const.c (extract_muldiv): Apply type check for defined
9496 overflow to multiply as well as divide.
9498 * stor-layout.c (layout_decl): Don't abort on any zero sized decl.
9500 2000-03-18 Mark Mitchell <mark@codesourcery.com>
9502 * emit-rtl.c (remove_unncessary_notes): Check that all
9503 NOTE_INSN_BLOCK_BEG and NOTE_INSN_BLOCK_END notes have an
9504 associated NOTE_BLOCK.
9505 * function.h (identify_blocks): Update comments.
9506 (reorder_blocks): Declare.
9507 * function.c (identify_blocks): Don't take paramters.
9508 (reorder_blocks): Don't take parameters.
9509 * loop.h (find_loop_tree_blocks): Remove.
9510 (unroll_block_trees): Likewise.
9511 * loop.c (loop_optimize): Don't call find_loop_tree_blocks. Use
9512 reorder_blocks instead of unroll_block_trees.h
9513 * sibcall.c (optimize_sibling_and_tail_recursive_calls): Likewise.
9514 * stmt.c (find_loop_tree_blocks): Remove.
9515 (unroll_block_trees): Likewise.
9516 * toplev.c (rest_of_compilation): Don't call find_loop_tree_blocks
9517 in whole-function mode.
9518 * tree.h (reorder_blocks): Remove declaration.
9520 * expr.c: Include intl.h.
9521 * Makefile.in (expr.o): Depend on intl.h.
9523 2000-03-18 Richard Henderson <rth@cygnus.com>
9525 * expr.c (emit_move_insn_1): Clarify cannot_inline message.
9527 2000-03-18 Mark Mitchell <mark@codesourcery.com>
9529 * tree.h (tree_index): Remove enumerals for integer types.
9530 (integer_type_kind): New type.
9531 (integer_types): New variable.
9532 (char_type_node): Adjust.
9533 (signed_char_type_node): Likewise.
9534 (unsigned_char_type_node): Likewise.
9535 (short_integer_type_node): Likewise.
9536 (short_unsigned_type_node): Likewise.
9537 (integer_type_node): Likewise.
9538 (unsigned_type_node): Likewise.
9539 (long_integer_type_node): Likewise.
9540 (long_unsigned_type_node): Likewise.
9541 (long_long_integer_type_node): Likewise.
9542 (long_long_unsigned_type_node): Likewise.
9543 * tree.c (integer_types): New variable.
9544 (init_obstacks): Register it as a root.
9546 Sat Mar 18 14:38:00 2000 Jason Eckhardt <jle@cygnus.com>
9548 * bb-reorder.c (reorder_basic_blocks): Update PREV_INSN as well as
9549 NEXT_INSN. Update last insn in chain.
9551 2000-03-17 Jason Merrill <jason@casey.cygnus.com>
9553 * dwarf2out.c (dwarf2out_decl): Don't emit anything for types
9554 with TYPE_DECL_SUPPRESS_DEBUG set.
9556 2000-03-18 Richard Henderson <rth@cygnus.com>
9558 * flow.c (make_edges): Use INTVAL to access REG_EH_REGION value.
9560 2000-03-18 Richard Henderson <rth@cygnus.com>
9562 * i386.c (call_insn_operand): Always allow SYMBOL_REF,
9563 care for HALF_PIC_P.
9564 (expander_call_insn_operand): Remove.
9565 (ix86_expand_epilogue): New arg `emit_return' to control return insn.
9566 * i386.h (PREDICATE_CODES): Update.
9567 * i386.md (all call expanders): Remove predicates, remove special
9568 handling for half-pic.
9569 (*call_1, *call_value_1): Handle SIBLING_CALL_P insns.
9570 (*call_pop_pic2, *call_pic2, *call_value_pop_2, *call_value_2): Remove.
9571 (sibcall_epilogue): New.
9573 2000-03-17 Richard Henderson <rth@cygnus.com>
9575 * rtlanal.c (single_set): Reject if the parallel has anything
9576 except SET or USE or CLOBBER.
9578 2000-03-17 Jeff Law <law@cygnus.com>
9579 Richard Henderson <rth@cygnus.com>
9581 * Makefile.in (OBJS): Add sibcall.o.
9583 * sibcall.c: New file.
9584 * calls.c (FUNCTION_OK_FOR_SIBCALL): Provide default.
9585 (ECF_IS_CONST, ECF_NOTHROW, ECF_SIBCALL): New.
9586 (emit_call_1): Replace `is_const' and `nothrow' with `ecf_flags'.
9587 Emit sibcall patterns when requested. Update all callers.
9588 (expand_call): Generate CALL_PLACEHOLDER insns when tail call
9589 elimination seems feasable.
9590 * final.c (leaf_function_p): Sibling calls don't discount being
9592 * flow.c (HAVE_sibcall_epilogue): Provide default.
9593 (find_basic_blocks_1): Sibling calls don't throw.
9594 (make_edges): Make edge from sibling call to EXIT.
9595 (propagate_block): Don't remove sibcall_epilogue insns.
9596 * function.c (prologue, epilogue): Turn into varrays. Update all uses.
9597 (sibcall_epilogue): New.
9598 (fixup_var_refs): Scan CALL_PLACEHOLDER sub-sequences.
9599 (identify_blocks_1): Likewise. Break out from ...
9600 (identify_blocks): ... here.
9601 (reorder_blocks_1): Scan CALL_PLACEHOLDER. Break out from ...
9602 (reorder_blocks): ... here.
9603 (init_function_for_compilation): Zap prologue/epilogue as varrays.
9604 (record_insns): Extend a varray instead of mallocing new memory.
9605 (contains): Read a varray not array of ints.
9606 (sibcall_epilogue_contains): New.
9607 (thread_prologue_and_epilogue_insns): Emit and record
9608 sibcall_epilogue patterns.
9609 (init_function_once): Allocate prologue/epilogue varrays.
9610 * genflags.c (gen_insn): Treat sibcall patterns as calls.
9611 * integrate.c (save_parm_insns): Recurse on CALL_PLACEHOLDER patterns.
9613 (save_for_inline_nocopy): ... here.
9614 (copy_insn_list): Recurse on CALL_PLACEHOLDER patterns.
9616 (expand_inline_function): ... here.
9617 (copy_rtx_and_substitute): Handle NOTE_INSN_DELETED_LABEL.
9618 (subst_constants): Handle 'n' formats.
9619 * jump.c (jump_optimize_minimal): New.
9620 (jump_optimize_1): New arg `minimal'; update callers. Elide most
9621 optimizations if it's set.
9622 * rtl.c (copy_rtx): Do copy jump & call for insns.
9623 * rtl.h (struct rtx_def): Document use of jump and call for insns.
9624 (SIBLING_CALL_P): New.
9625 (sibcall_use_t): New.
9626 * toplev.c (rest_of_compilation): Do init_EXPR_INSN_LIST_cache earlier.
9627 Invoke optimize_sibling_and_tail_recursive_calls.
9628 * tree.c (lang_safe_for_unsave): New.
9629 (safe_for_unsave): New.
9630 * tree.h (lang_safe_for_unsave, safe_for_unsave): Declare.
9632 * alpha.h (FUNCTION_OK_FOR_SIBCALL): New.
9633 * alpha.md (sibcall, sibcall_value, sibcall_epilogue): New.
9634 (*sibcall_osf_1, *sibcall_value_osf_1): New.
9636 2000-03-17 Mark Mitchell <mark@codesourcery.com>
9638 * objc/objc-act.c (encode_method_prototype): Pass types, not
9639 PARM_DECLs, to int_size_in_bytes.
9641 Fri Mar 17 11:51:34 2000 Jim Wilson <wilson@cygnus.com>
9643 * config/ia64/ia64.md (mix4right_3op): Swap %1 and %2 in template.
9645 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
9646 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyrights again.
9648 Fri Mar 17 08:09:14 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9650 * Clean up usages of TREE_INT_CST_LOW.
9651 * c-parse.in (RESTORE_WARN_FLAGS): Use tree_low_cst.
9652 * c-parse.y, c-parse.c, objc/objc-parse.y, objc/objc-parse.c:
9654 * c-tree.h (min_precision): Move declaration to here.
9655 * c-typeck.c (build_binary_op): Use host_integerp and tree_low_cst.
9656 (build_unary_op, add_pending_init): Use bit_position.
9657 (pending_init_member, process_init_element): Likewise.
9658 (really_start_incremental_init, push_init_level, pop_init_level):
9659 Don't make copies of nodes or modify them in place, use consistent
9660 types when tracking positions, and use tree routines computations.
9661 (set_init_index, output_init_element): Likewise.
9662 (output_pending_init_elements, process_init_element): Likewise.
9663 * dbxout.c (dbxout_type_fields): Use bit_position, host_integerp,
9664 tree_low_cst and int_bit_position; also minor cleanup.
9665 (dbxout_type_method_1, dbxout_range_type, dbxout_type): Likewise.
9666 (print_cst_octal): Precision is unsigned.
9667 (dbxout_symbol): Ensure DECL_INITIAL is in-range and use tree_low_cst.
9668 * dwarf2out.c (ceiling): Input and output are unsigned HOST_WIDE_INT.
9669 (simple_type_align_in_bits): Result is unsigned int.
9670 Use tree_int_low_cst and host_integerp.
9671 (simple_type_size_in_bits): Result is unsigned HOST_WIDE_INT.
9672 (field_byte_offset): Result is HOST_WIDE_INT.
9673 Change types of internal variables so alignments are unsigned int,
9674 offsets are HOST_WIDE_INT and sizes are unsigned HOST_WIDE_INT.
9675 Use host_integerp, tree_low_cst, and int_bit_position.
9676 (add_bit_offset_attribute): Likewise.
9677 (add_data_member_location_attribute): Use tree_cst_low.
9678 (add_bound_info): Use host_integerp, integer_zerop, and integer_onep.
9679 (add_bit_size_attribute): Use tree_low_cst.
9680 (add_pure_or_virtual_attribute, gen_enumeration_type_die): Likewise.
9681 * dwarfout.c: Similar changes to dwarf2out.c.
9682 * expr.c (expand_expr, case ARRAY_REF): Remove redundant code.
9683 * genoutput.c (n_occurences): Return -1 for null string.
9684 (strip_whitespace): Accept null string and make into function.
9685 (scan_operands): Reflect above changes.
9686 * sdbout.c (plain_type_1): Use host_integerp and tree_low_cst.
9687 (sdbout_field_types, sdbout_one_type): Likewise; also use bit_position.
9688 * ssa.c (rename_registers): Add missing cast of arg to bzero.
9689 * tree.c (int_size_in_bytes): Check for too big to represent.
9690 (bit_position, int_bit_position, host_integerp, tree_low_cst): New fns.
9691 * tree.h (host_integerp, tree_low_cst, bit_position, int_bit_position):
9693 (min_precision): Delete from here.
9694 * varasm.c (decode_addr_const): Use host_integerp, bit_position,
9695 and int_bit_position.
9696 * objc/objc-act.c (encode_method_prototype): Sizes are HOST_WIDE_INT.
9697 (encode_method_def): Likewise.
9698 (build_ivar_list_initializer): Use int_bit_position.
9699 (generate_shared_structures): Convert size.
9700 (encode_type, encode_complete_bitfield): Use integer_zerop.
9701 (encode_bitfield): Use tree_low_cst and int_bit_position.
9703 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9705 * config/c4x/c4x.h (CPP_SPEC): Fix typo.
9707 2000-03-17 Martin v. Löwis <loewis@informatik.hu-berlin.de>
9709 * call.c (special_function_p): It is only malloc if it returns
9712 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9714 * config/c4x/c4x.h (ASM_SPEC, CPP_SPEC, LINK_SPEC): Support C33.
9715 (C33_FLAG, TARGET_C3X): Add macros.
9716 (TARGET_SWITCHES): Add -m33 option.
9717 * config/c4x/c4x.c (c4x_override_options): Test for TARGET_C33.
9719 2000-03-17 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9721 * config/c4x/c4x.h (PARALLEL_INSN_FLAG): Add.
9722 (PARALLEL_PACK_FLAG): Delete.
9723 (TARGET_SWITCHES): Update.
9724 (TARGET_PARALLEL): Use PARALLEL_INSN_FLAG.
9726 Thu Mar 16 18:52:32 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9728 * fold-const.c (fold): Fix a few cases when the returned result
9729 is not of the same type as the input.
9731 2000-03-16 Nick Clifton <nickc@cygnus.com>
9733 * config/arm/arm.h (ASM_OUTPUT_MI_THUNK): Fix compile time
9736 2000-03-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9738 * libgcc2.h: Move prototypes above macros with the same name.
9739 Wrap some function prototypes in the conditional which indicates
9740 whether they are supported, i.e. "BITS_PER_UNIT == 8".
9742 2000-03-16 Richard Henderson <rth@cygnus.com>
9744 * calls.c: Revert last two changes.
9746 2000-03-16 Bernd Schmidt <bernds@cygnus.co.uk>
9748 * fp-bit.c (_unpack_d): If NO_DENORMALS is defined, anything that
9749 has exponent 0 is a zero.
9751 * simplify-rtx.c (hash_rtx, case MEM/REG): Take into account that
9752 HASH may already be nonzero. Add code/mode into hash value
9753 immediately after repeat label.
9754 (cselib_lookup): Don't leave the hash table in an inconsistent
9755 state before a hash lookup operation.
9757 Thu Mar 16 17:03:10 MET 2000 Jan Hubicka <jh@suse.cz>
9759 * i386.md (all HI and QI mode non-move patterns): Conditionize
9760 by TARGET_[HQ]IMODE_MATH.
9761 * i386.h (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
9762 x86_promote_qi_regs): Declare.
9763 (TARGET_HIMODE_MATH, TARGET_QIMODE_MATH, TARGET_PROMOTE_HI_REGS,
9764 TARGET_PROMOTE_QI_REGS): New macros.
9765 (PROMOTE_MODE): New macro.
9766 * i386.c (x86_himode_math, x86_qimode_math, x86_promote_hi_regs,
9767 x86_promote_qi_regs): New global variables.
9769 Thu Mar 16 16:50:44 MET 2000 Jan Hubicka <jh@suse.cz>
9771 * calls.c (emit_library_call_value_1): Break out from ...; handle
9772 VOIDmode function calls too.
9773 (emit_library_call_value): ... here.
9774 (emit_library_call): Implement by calling emit_library_call_value_1.
9776 Thu Mar 16 16:01:30 MET 2000 Jan Hubicka <jh@suse.cz>
9778 * calls.c (expand_call): Do sanity checking on arg_space_so_far.
9779 Update arg_space_so_far on stack adjustments.
9780 (emit_library_call, emit_library_call_value): Likewise; take into
9781 account arg_space_so_far and pending_stack_adjust when calculcating
9784 Thu Mar 16 09:02:19 2000 Jason Eckhardt <jle@cygnus.com>
9786 * flow.c: Move all basic block reordering code into its own file.
9787 (create_basic_block): Externalize.
9788 * bb-reorder.c: New file. Copy all basic block reordering code from
9789 flow.c to this file.
9790 (reorder_basic_blocks): Fix fencepost error in for-loop.
9791 (reorder_basic_blocks): Remove braces from single statement for-loops.
9792 * basic-block.h: Add declaration for create_basic_block.
9793 * Makefile.in: Add rules for bb-reorder.o.
9795 2000-03-16 Neil Booth <NeilB@earthling.net>
9797 * cppinit.c (handle_option): Implement #unassert directive
9798 as -A- command line option.
9799 (print_help): Update.
9800 * cpptexi.c: Update.
9802 Thu Mar 16 02:14:16 2000 Hans-Peter Nilsson <hp@bitrange.com>
9804 * md.texi (Standard Names): Document `jump'.
9806 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
9808 * calls.c (emit_call_1): Nothrow functions can still have nonlocal
9811 2000-03-15 Geoff Keating <geoffk@cygnus.com>
9813 Merge changes from newppc-branch onto trunk.
9815 2000-03-15 Geoff Keating <geoffk@cygnus.com>
9817 * rs6000.c (toc_hash_table): Update for new hash table functions.
9818 (toc_hash_function): Likewise.
9819 (toc_hash_eq): Likewise.
9820 (toc_hash_mark_entry): Likewise.
9821 (toc_hash_mark_table): Likewise.
9822 (output_toc): Likewise.
9823 (rs6000_add_gc_roots): Likewise.
9825 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
9827 * t-aix43 (AR_FOR_TARGET): Deleted. Moved `-X32_64'...
9828 (AR_FLAGS_FOR_TARGET): here. New macro.
9830 2000-03-05 Clinton Popetz <cpopetz@cygnus.com>
9832 * config/rs6000/rs6000.c (rs6000_fpmem_offset, rs6000_fpmem_size,
9833 fpmem_operand) Delete.
9835 (rs6000_reg_names, alt_reg_names): Change fpmem to xer.
9836 (machine_function): Remove fpmem_size, fpmem_offset, save_toc_p.
9837 (rs6000_save_machine_status, rs6000_restore_machine_status,
9838 rs6000_init_expanders, rs6000_stack_info, debug_stack_info): Remove
9839 references to above variables.
9840 (gpc_reg_operand): Use XER_REGNO_P instead of FPMEM_REGNO_P.
9841 * config/rs6000/rs6000.h (REG_ALLOC_ORDER, REGISTER_NAMES,
9842 DEBUG_REGISTER_NAMES): Chagne fpmem to xer.
9843 (FPMEM_REGNO_P, FPMEM_REGNUM): Delete.
9844 (XER_REGNO_P, XER_REGNO): New.
9845 (rs6000_stack): Remove fpmem_p, fpmem_offset, fpmem_size.
9846 (PREDICATE_CODES): Change fpmem_operand to xer_operand.
9847 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK): Change FPMEM_REGNO_P to
9849 (reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS, REGNO_REG_CLASS,
9850 REG_CLASS_FROM_LETTER, CLASS_MAX_NREGS): Change FPMEM_REGS to XER_REGS, and remove FLOAT_OR_FPMEM_REGS.
9851 (CLASS_CANNOT_CHANGE_SIZE): Change to FLOAT_REGS.
9853 2000-02-29 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9855 * aix.h (FP_SAVE_INLINE, ASM_OUTPUT_INTERNAL_LABEL_PREFIX,
9856 TEXT_SECTION_ASM_OP, DATA_SECTION_ASM_OP): Move here...
9857 * rs6000.h: from here.
9859 * rs6000-protos.h (rs6000_select_section): Provide prototype.
9860 (rs6000_select_rtx_section): Likewise.
9861 (rs6000_encode_section_info): Likewise.
9862 (sdata_section): Likewise.
9863 (sdata2_section): Likewise.
9864 (sbss_section): Likewise.
9865 * sysv4.h (rs6000_select_section): Delete prototype.
9866 (rs6000_select_rtx_section): Likewise.
9867 (rs6000_encode_section_info): Likewise.
9868 (sdata_section): Likewise.
9869 (sdata2_section): Likewise.
9870 (sbss_section): Likewise.
9871 (REG_SAVE_AREA): Delete definition duplicated in rs6000.h.
9873 * sysv4.h: Delete various unnecessary #undef's and put a comment
9874 on the remaining ones.
9875 Change various comments according to coding standard.
9877 2000-02-29 Clinton Popetz <cpopetz@cygnus.com>
9879 * config/rs6000/rs6000.h (MQ_REGNO, CR0_REGNO, CR1_REGNO, CR2_REGNO,
9880 CR3_REGNO, CR4_REGNO, MAX_CR_REGNO): Define.
9881 (CR0_REGNO_P) Remove.
9882 * config/rs6000/rs6000.c (gpc_reg_operand, and64_operand, and_operand,
9883 setup_incoming_varargs, mtcrf_operation, print_operand,
9884 rs6000_stack_info, rs6000_emit_prologue, rs6000_emit_epilogue):
9885 Use the above macros.
9887 2000-02-24 Clinton Popetz <cpopetz@cygnus.com>
9889 * config/rs6000/rs6000.md: Added a new alternative for each
9890 pattern that had a 'x' alternative but no 'y' alternative.
9891 Added a new split for each of the above patterns.
9893 2000-02-18 Geoff Keating <geoffk@cygnus.com>
9895 * aix41.h (ASM_CPU_SPEC): Delete.
9896 (CPP_CPU_SPEC): Delete.
9898 * aix.h (RS6000_OUTPUT_BASENAME): Define.
9899 (ASM_OUTPUT_LABEL): Define.
9900 (ASM_GLOBALIZE_LABEL): Define.
9901 (STRIP_NAME_ENCODING): Define.
9902 * rs6000.h (RS6000_OUTPUT_BASENAME): Don't define.
9903 (STRIP_NAME_ENCODING): Don't define.
9904 (ASM_OUTPUT_LABEL): Don't define.
9905 (ASM_GLOBALIZE_LABEL): Don't define.
9906 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use assemble_name to output
9907 names, and ASM_OUTPUT_LABEL to output labels, rather than
9909 (ASM_OUTPUT_LABEL): Define.
9910 (ASM_OUTPUT_INT): Use assemble_name.
9911 (ASM_OUTPUT_DWARF_ADDR): Use assemble_name.
9912 (STRIP_NAME_ENCODING): Don't undefine first.
9913 (RS6000_OUTPUT_BASENAME): Make equivalent to assemble_name for
9915 (ASM_OUTPUT_LABELREF): Don't prepend underscores to labels
9916 specified with 'asm' even with -fleading-underscore.
9917 * rs6000.c (print_operand): Use assemble_name when !TARGET_AIX.
9918 (output_epilog): Likewise.
9919 (output_toc): Likewise.
9920 * tramp.asm: Handle -fleading-underscore correctly.
9922 * rs6000.md (builtin_setjmp_receiver): Also run for -fPIC and
9924 (nonlocal_goto_receiver): Delete.
9925 * rs6000.h (DONT_ACCESS_GBLS_AFTER_EPILOGUE): Delete.
9927 * rs6000.h (ASM_OUTPUT_DEF): Don't define.
9928 (SET_ASM_OP): Define.
9929 * sysv4.h (ASM_OUTPUT_DEF): Don't undefine.
9931 * rs6000.h (ASM_OUTPUT_ADDR_VEC_ELT): Don't define.
9934 * rs6000.c (rs6000_dll_import_ref): Delete, not used.
9935 * rs6000-protos.h (rs6000_dll_import_ref): Delete.
9937 * rs6000.h: Add 'u' to more constants.
9939 2000-02-18 David Edelsohn <edelsohn@gnu.org>
9941 * rs6000.md (mfcr+shift): Delete PowerPC64 version.
9943 2000-02-15 David Edelsohn <edelsohn@gnu.org>
9945 * rs6000.c (reg_or_u_cint_operand): New function.
9946 (logical_operand): Handle 64-bit hosts.
9947 (logical_u_operand): New function.
9948 (non_logical_cint_operand): Handle 64-bit hosts.
9949 (non_logical_u_cint_operand): New function.
9950 * rs6000.h (DATA_SECTION_ASM_OP): Add tab.
9951 (PREDICATE_CODES): Define new functions.
9952 * rs6000-protos.h: Declare new functions.
9953 * rs6000.md (iordi3, xordi3): Constant int must be unsigned 32-bits.
9954 (movdi_64): Bracket code intended for 64-bit hosts. Create
9955 CONST_DOUBLE for 32-bit values.
9956 (scc insns): Generate DImode compares.
9957 (mfcr insns): Create DImode versions.
9958 (sge matchers): New patterns.
9960 2000-02-15 Gabriel Paubert <paubert@iram.es>
9962 * rs6000.md: Correct instructions length attributes and
9963 constraints on unsigned compare instructions.
9964 (*ne0): Disable for PowerPC64.
9966 2000-02-11 Geoff Keating <geoffk@cygnus.com>
9968 * rs6000.c (output_function_profiler): Use .long for a 32-bit
9969 quantity, fix profile1.C test failure under -fPIC.
9971 * rs6000.c: Add 'u' to many constants to suppress warnings.
9972 (constant_pool_expr_1): Make static.
9973 (rs6000_emit_eh_toc_restore): Remove unused 'r2'.
9974 * rs6000.h: Add 'u' to many constants to suppress warnings.
9976 * rs6000.c (rs6000_emit_load_toc_table): Use LCTOC..1 under AIX
9977 for the start of the TOC, instead of LCTOC..0.
9978 * aix.h (toc_section): Use LCTOC..1 under AIX for the start
9980 * rs6000.md (load_toc_aix_si): Use LCTOC..1.
9981 (load_toc_aix_di): Use LCTOC..1.
9983 * rs6000.h (LEGITIMIZE_ADDRESS): Turn into a function.
9984 * rs6000.c (rs6000_legitimize_address): New function from
9985 LEGITIMIZE_ADDRESS. Only use create_TOC_reference on
9986 symbols in the constant pool that really are TOC references.
9987 (print_operand_address): For ELF, write TOC offsets under
9988 -fPIC as subtractions in the insn.
9989 (output_toc): For ELF, define symbols in TOC as normal labels,
9991 (create_TOC_reference): Use gen_rtx_PLUS rather than gen_rtx.
9992 * rs6000-protos.h (rs6000_legitimize_address): Prototype.
9993 (create_TOC_reference): Prototype only when RTX_CODE is defined.
9994 * rs6000.md (movsi): Only use create_TOC_reference on
9995 symbols in the constant pool that really are TOC references.
9997 * rs6000.h (MACHINE_DEPENDENT_REORG): Don't define.
9998 * rs6000.c (rs6000_reorg): Delete.
9999 * rs6000-protos.h (rs6000_reorg): Delete.
10001 2000-02-09 Geoff Keating <geoffk@cygnus.com>
10003 * rs6000.h (INCOMING_RETURN_ADDR_RTX): New macro.
10005 * aix.h (SETUP_FRAME_ADDRESSES): Define.
10006 * rs6000.c [TARGET_AIX] (insn_after_throw): New static variable.
10007 [TARGET_AIX] (rs6000_aix_emit_builtin_unwind_init): New function.
10008 [TARGET_AIX] (rs6000_emit_eh_toc_restore): New function.
10009 * rs6000-protos.h: Prototype rs6000_emit_eh_toc_restore,
10010 rs6000_aix_emit_builtin_unwind_init.
10011 * rs6000.md (eh_epilogue) [TARGET_AIX]: Call
10012 rs6000_emit_eh_toc_restore on AIX.
10013 (return_eh_si): Use r2.
10014 (return_eh_di): Use r2.
10016 * aix43.h: Turn on HAS_INIT_SECTION and LD_INIT_SWITCH,
10017 since we're breaking binary compatibility anyway.
10019 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
10021 * config/rs6000/rs6000-protos.h: (get_TOC_alias_set, uses_TOC,
10022 constant_pool_expr_p): Declare them.
10023 (constant_pool_expr_p): Declare it.
10024 * config/rs6000/rs6000.c (toc_label_name): Define.
10025 (rs6000_override_options): Set toc_label_name.
10026 (input_operand): Allow any TOC_RELATIVE_EXPR_P.
10027 (get_TOC_alias_set, constant_pool_expr_p, constant_pool_expr_1,
10028 uses_TOC): New functions.
10029 (print_operand): Delete old '*' case.
10030 (print_operand_address): Use LEGITIMATE_CONSTANT_POOL_ADDRESS_P,
10031 and strip off rtl for TOC before calling output_addr_const.
10032 (rs6000_emit_load_toc_table): Use toc_label_name.
10033 * config/rs6000/rs6000.h (TARGET_SWITCHES): Make msched-prolog
10035 (LEGITIMATE_CONSTANT_POOL_BASE_P): Delete.
10036 (CONSTANT_POOL_EXPR_P, TOC_RELATIVE_EXPR_P): New macros.
10037 (LEGITIMATE_CONSTANT_POOL_ADDRESS_P): Use CONSTANT_POOL_EXPR_P.
10038 (LEGITIMIZE_ADDRESS, LEGITIMIZE_RELOAD_ADDRESS): Turn symbol_refs
10039 into explicit TOC_REGISTER offsets.
10040 (TOC_REGISTER): New macro.
10041 * config/rs6000/rs6000.md (movsi, movdi): Emit rtl under
10042 TARGET_TOC to reference TOC_REGISTER.
10043 (load_toc_v4_PIC_1b): Add 4 to offset for toc reload.
10044 * config/rs6000/sysv4.h (ASM_DECLARE_FUNCTION_NAME): Call
10045 uses_TOC before emitting label references.
10047 2000-02-05 Geoff Keating <geoffk@cygnus.com>
10049 * rs6000.md (stack_tie): Fix warning.
10051 * eabi-ctors.c: Use 'asm' names for the start/end variables,
10052 to handle -fleading-underscore.
10053 * sysv4.h (ASM_DECLARE_FUNCTION_NAME): Use asm_fprintf and %U.
10054 (USER_LABEL_PREFIX): New macro.
10055 (ASM_OUTPUT_INTERNAL_LABEL_PREFIX): Use asm_fprintf and %L.
10056 (ASM_OUTPUT_LABELREF): Use asm_fprintf and %U.
10057 * t-ppccomm (MULTILIB_MATCHES_SYSV): Note that call-sysv and
10058 call-linux can use the same multilibs.
10059 * t-ppcgas (MULTILIB_OPTIONS): Don't need to have separate call-sysv
10060 and call-linux multilibs. Do multilib with -fleading-underscore.
10061 (MULTILIB_DIRNAMES): Follow MULTILIB_OPTIONS change.
10062 (MULTILIB_EXCEPTIONS): Remove call-linux exceptions. Add restrictions
10065 * sysv4.h (CPP_SYSV_SPEC): Define _SOFT_FLOAT for all those CPUs that
10066 have MASK_SOFT_FLOAT set.
10067 (CPP_FLOAT_DEFAULT_SPEC): New macro.
10068 (SUBTARGET_EXTRA_SPECS): Set `cpp_float_default' to the value of
10069 CPP_FLOAT_DEFAULT_SPEC.
10071 * rs6000.c (ccr_bit): Add some consistency checks and a variable 'reg'.
10072 * rs6000.md: Whitespace change.
10073 * sysv4.h (LINK_TARGET_SPEC): Whitespace change.
10074 * sysv4le.h (LINK_TARGET_SPEC): Whitespace change.
10076 2000-02-05 Geoff Keating <geoffk@cygnus.com>
10078 * rs6000.md (eh_epilogue): New expander.
10079 (eh_reg_restore): New expand/split/insn combination.
10080 (return_eh_si): New insn.
10081 (return_eh_di): New insn.
10083 * eabi-ci.asm: Put a label at the start of the .eh_frame section.
10084 * eabi-cn.asm: Put a zero at the end of the .eh_frame section.
10085 * eabi-ctors.c (__do_global_ctors): Register this object's
10086 frame. Clean up. Call atexit() after the constructors.
10087 (__do_global_dtors): Deregister this object's frame. Clean up.
10088 Allow for recursive calls to exit().
10089 * rs6000.c (fixuplabelno): New variable.
10090 * sysv4.h (ASM_OUTPUT_INT): Don't do .fixup if not
10091 TARGET_RELOCATABLE, it slows down exec() under linux.
10092 (ASM_OUTPUT_DWARF_ADDR): Do .fixup if TARGET_RELOCATABLE.
10094 * aix.h (ASM_OUTPUT_DWARF_ADDR_VAR): New macro.
10095 (ASM_OUTPUT_DWARF_DELTA_VAR): New macro.
10096 (ASM_OUTPUT_DWARF_DELTA2): New macro.
10097 (ASM_OUTPUT_DWARF_DELTA4): New macro.
10098 (ASM_OUTPUT_DWARF_ADDR_DELTA): New macro.
10099 (ASM_OUTPUT_DWARF_ADDR): New macro.
10100 (ASM_OUTPUT_DWARF_DATA4): New macro.
10101 (ASM_OUTPUT_DWARF_DATA2): New macro.
10102 (ASM_OUTPUT_DWARF_OFFSET4): New macro.
10103 (ASM_OUTPUT_DWARF_OFFSET): New macro.
10104 (UNALIGNED_INT_ASM_OP): New macro, fake definition.
10106 2000-02-03 Geoff Keating <geoffk@cygnus.com>
10108 * rs6000.c (rs6000_sr_alias_set): New variable.
10109 (rs6000_override_options): Initialise rs6000_sr_alias_set.
10110 (rs6000_emit_stack_tie): New function.
10111 (rs6000_emit_allocate_stack): Specify RTX_FRAME_RELATED_P
10112 in a way that dwarf2out can understand.
10113 (rs6000_frame_related): New function.
10114 (rs6000_emit_prologue): Use rs6000_sr_alias_set. Specify
10115 RTX_FRAME_RELATED_P in a way that dwarf2out can understand.
10116 Use rs6000_emit_stack_tie when needed.
10117 (rs6000_emit_epilogue): Use rs6000_sr_alias_set. Don't set
10118 RTX_FRAME_RELATED_P. Use rs6000_emit_stack_tie when needed.
10119 * rs6000.md (stack_tie): New insn.
10120 (return_internal_si): Allow return value to be in the count
10122 (return_internal_di): Likewise.
10124 * rs6000.c (output_mi_thunk): Remove unused variable `sp'.
10126 2000-02-03 Geoff Keating <geoffk@cygnus.com>
10128 * sysv4.h (LOCAL_LABEL_PREFIX): Define, for the use of dbxelf.h.
10130 2000-01-31 Geoff Keating <geoffk@cygnus.com>
10132 * rs6000.h (ASM_OUTPUT_DEF_FROM_DECLS): New macro.
10134 * rs6000.md (stmw): Use the right POWER opcode.
10137 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10139 * rs6000-protos.h: New file.
10141 * rs6000.c: Include tm_p.h. Fix compile time warnings.
10143 * rs6000.h: Move prototypes to rs6000-protos.h. Fix compile time
10146 * sysv4.h: Likewise.
10148 2000-01-28 Geoff Keating <geoffk@cygnus.com>
10150 * ../../configure.in: Delete powerpcle-*-winnt*
10151 and powerpcle-*-pe|powerpcle-*-cygwin*.
10152 * ../../configure: Regenerated.
10153 * cygwin.h: Delete.
10154 * rs6000.h (OBJECT_WINDOWS_NT): Delete.
10155 (TARGET_WINDOWS_NT): Delete.
10157 (CALL_NT_DLLIMPORT): Delete.
10158 Delete NT-specific code.
10159 * rs6000.md, rs6000.c, sysv4.h: Delete NT-specific code.
10160 * win-nt.h: Delete.
10162 * nt-ci.asm: Delete.
10163 * nt-cn.asm: Delete.
10164 * ntstack.asm: Delete.
10166 2000-01-27 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10168 * rs6000.h (SELECT_RTX_SECTION): Move to aix.h.
10169 (ASM_FILE_START): Likewise.
10170 (ASM_DECLARE_FUNCTION_NAME): Likewise.
10171 (ASM_OUTPUT_LABELREF): Likewise.
10172 (ASM_OUTPUT_SKIP): Likewise.
10173 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
10174 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
10175 (ASM_OUTPUT_CASE_LABEL): Likewise.
10176 (ASM_OUTPUT_ALIGNED_COMMON): Likewise.
10177 (ASM_OUTPUT_ASCII): Likewise.
10179 2000-01-27 Clinton Popetz <cpopetz@cygnus.com>
10181 * rs6000.c (rs6000_emit_load_toc_table): Use "LCG" and
10182 reload_toc_labelno for non-prologue TOC reloads. Also, don't
10183 increment rs6000_pic_labelno here.
10184 (rs6000_emit_prologue): Pass TRUE to rs6000_emit_load_toc_table,
10185 and increment rs6000_pic_labelno here.
10187 2000-01-24 Geoffrey Keating <geoffk@cygnus.com>
10189 * rs6000.md (fctiwz): Use (set (reg) (unspec:DI [(fix:SI ...)]))
10190 rather than (set (subreg:SI (reg)) (fix:SI ...)) so that register
10191 allocation knows (reg) is dead before the insn.
10193 2000-01-21 Geoff Keating <geoffk@cygnus.com>
10195 * rs6000.md (movsi_to_cr): Correct typo in output template.
10197 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
10199 * rs6000.c (rs6000_pic_labelno): Always define.
10200 (rs6000_pic_func_labelno): Delete.
10201 (lmw_operation): Check for a zero base register,
10202 which doesn't mean what we want.
10203 (stmw_operation): New function.
10204 (print_operand): Define new 'l' modifier.
10205 (rs6000_stack_info): We must save all 64 bits of the registers
10206 if TARGET_POWERPC64.
10207 (rs6000_output_load_toc_table): Delete.
10208 (rs6000_emit_load_toc_table): New function.
10209 (rs6000_allocate_stack_space): Delete.
10210 (rs6000_emit_allocate_stack): New function.
10211 (rs6000_emit_prologue): New function.
10212 (output_prolog): Use rs6000_emit_prologue.
10213 (rs6000_emit_epilogue): Change a few variable names to be
10214 more accurate. Restore all 64 bits of the registers if
10215 TARGET_POWERPC64. Only restore the FP registers which were used
10216 if they are being saved/restored one-at-a-time.
10217 (output_mi_thunk): Delete inefficient code generation.
10218 (output_function_profiler): Don't use rs6000_output_load_toc_table.
10219 * rs6000.h: Declare rs6000_emit_load_toc_table,
10220 rs6000_allocate_stack_space, stmw_operation. Don't declare
10221 rs6000_output_load_toc_table.
10222 * rs6000.md (elf_high): Allow register 0, but discourage it
10224 (elf_low): Support loading into register 0.
10225 (load_toc_aix_si): New pattern.
10226 (load_toc_aix_di): New pattern.
10227 (load_toc_v4_pic_si): New pattern.
10228 (load_toc_v4_pic_di): New pattern.
10229 (load_toc_v4_PIC_1): New pattern.
10230 (load_toc_v4_PIC_1b): New pattern.
10231 (load_toc_v4_PIC_2): New pattern.
10232 (builtin_setjmp_receiver): Use rs6000_emit_load_toc_table.
10233 (nonlocal_goto_receiver): Use rs6000_emit_load_toc_table.
10234 (prologue): New expander.
10235 (movesi_from_cr): New pattern.
10236 (stmw): New pattern.
10237 (save_fpregs_si): New pattern.
10238 (save_fpregs_di): New pattern.
10240 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10242 * rs6000.md (movsi): Don't use force_reg when no_new_pseudos.
10247 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10249 * rs6000.md (movsi_got): 'unspec 8' returns a SImode result,
10251 (movsi_got_internal): Likewise.
10252 (movsi_got_internal+1): Likewise.
10253 (set_sp): 'unspec 7' does a SImode clobber.
10255 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10257 * rs6000.md (floatsidf2): Don't use the fpmem "register", just
10258 allocate a stack temporary.
10259 (floatsidf2_internal): Likewise.
10260 (floatsidf2_internal+1): Likewise. Don't do bizzare hacks
10262 (floatunssidf2): Don't use the fpmem "register", just
10263 allocate a stack temporary.
10264 (floatunssidf2_internal): Likewise.
10265 (floatunssidf2_internal+1): Likewise. Don't do bizzare hacks
10267 (floatsidf2_loadaddr): Delete.
10268 (floatsidf2_store1): Delete.
10269 (floatsidf2_store2): Delete.
10270 (floatsidf2_load): Delete.
10271 (fix_truncdfsi2): Don't use the fpmem "register", just
10272 allocate a stack temporary.
10273 (fix_truncdfsi2_internal_si): Delete.
10274 (fix_truncdfsi2_internal_di): Delete.
10275 (fix_truncdfsi2_internal): New insn.
10276 (fix_truncdfsi2_internal+1): Don't use the fpmem "register".
10277 (fix_truncdfsi2_store): Delete.
10278 (fix_truncdfsi2_load): Delete.
10279 (fctiwz): Produce gen_fctiwz.
10281 2000-01-19 Geoffrey Keating <geoffk@cygnus.com>
10283 * eabi.h (INVOKE__main): Define.
10284 * rs6000.c (rs6000_stack_info): Don't handle call to NAME__MAIN
10286 (rs6000_emit_prologue): Likewise.
10287 * rs6000.h (struct rs6000_stack): Don't keep track of whether
10288 this is the main program.
10290 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10292 * rs6000.c (rs6000_va_arg): Delete some unused variables.
10294 2000-01-19 Geoff Keating <geoffk@cygnus.com>
10296 * rs6000.c (rs6000_va_arg): On AIX, padding for small arguments
10297 goes after the argument.
10299 2000-01-12 Geoff Keating <geoffk@cygnus.com>
10301 * rs6000.md: Document 'unspec' values used.
10302 (epilogue): New expander.
10303 (movesi_to_cr_one): New expander.
10304 (movesi_to_cr and following): New pattern.
10305 (lmw): New pattern.
10306 (return_internal_si): New pattern.
10307 (return_internal_di): New pattern.
10308 (return_and_restore_fpregs_si): New pattern.
10309 (return_and_restore_fpregs_di): New pattern.
10310 * rs6000.h: Declare new functions.
10311 * rs6000.c (rs6000_stack_info): Use current_function_is_leaf
10312 rather than rs6000_calls_p.
10313 (rs6000_makes_calls): Delete.
10314 (lmw_operation): New function.
10315 (mtcrf_operation): New function.
10316 (rs6000_emit_epilogue): New function.
10317 (output_epilog): Call rs6000_emit_epilogue and final if
10318 !TARGET_SCHED_PROLOG, instead of writing text unconditionally.
10320 2000-01-12 Geoff Keating <geoffk@cygnus.com>
10322 * aix43.h (SUBSUBTARGET_SWITCHES): Document switches.
10323 * aix41.h (SUBSUBTARGET_SWITCHES): Document switches.
10324 * aix.h (SUBTARGET_SWITCHES): Document switches.
10325 * rs6000.h: (TARGET_SWITCHES): Don't print options twice. Make
10326 sched-prolog and sched-epilog the same. Document all the
10328 (TARGET_OPTIONS): No longer allow -mdebug-.
10330 2000-01-12 Geoff Keating <geoffk@cygnus.com>
10332 * rs6000.h (ASM_FILE_END): Move to aix.h.
10333 (EXTRA_SECTIONS): Move to aix.h.
10334 (READONLY_DATA_SECTION): Move to aix.h.
10335 (EXTRA_SECTION_FUNCTIONS): Move to aix.h.
10336 (SELECT_SECTION): Move to aix.h.
10337 (JUMP_TABLES_IN_TEXT_SECTION): Move to aix.h.
10338 (INT_REGNO_P): Use symbolic name for ARG_POINTER_REGNUM.
10339 (LINK_REGISTER_REGNUM): New definition.
10340 (RETURN_ADDR_RTX): Use symbolic name for LINK_REGISTER_REGNUM.
10341 (SLOW_UNALIGNED_ACCESS): Define in a way suitable for both
10343 * sysv4.h: Delete the code between the inclusion of rs6000.h
10345 (DWARF_DEBUGGING_INFO): Don't define, it's defined in elfos.h.
10346 (FP_ARG_MAX_REG): Move generic definition to rs6000.h.
10347 (RS6000_REG_SAVE): Move generic definition to rs6000.h.
10348 (RS6000_SAVE_AREA): Move generic definition to rs6000.h.
10349 * rs6000.md (floatsidf2_loadaddr): The first arg here is Pmode.
10350 (fix_truncdfsi2_internal): Rename to fix_truncdfsi2_internal_si.
10351 (fix_truncdfsi2_internal_di): New pattern.
10352 (fix_truncdfsi2_store): The second arg here is Pmode too.
10353 (fix_truncdfsi2_load): The second arg here is Pmode too.
10354 (tablejumpdi): Now that switch tables hold only SImode values,
10355 gcc needs to know how to add them to the pc which is DImode.
10356 * rs6000.c (rs6000_stack_info): Use symbolic name for
10357 LINK_REGISTER_REGNUM.
10358 (output_mi_thunk) [!TARGET_ELF]: Don't define sp, it's not used.
10359 (output_toc): Delete unused variables s1 and s2.
10360 (output_ascii): Use fputs not fprintf on a variable string.
10362 2000-01-07 David Edelsohn <edelsohn@gnu.org>
10364 * rs6000.c (processor_target_table): Add power3 as alias for 630.
10365 * aix43.h: Revert Aug 2 change.
10366 (HAS_INIT_SECTION): Define, not visible yet.
10367 (LD_INIT_SWITCH): Define, not visible yet.
10368 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
10370 2000-01-04 Joel Sherrill (joel@OARcorp.com>
10372 * config/rs6000/rtems.h: Include config/rtems.h.
10374 2000-01-04 David Edelsohn <edelsohn@gnu.org>
10376 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
10377 (SLOW_UNALIGNED_ACCESS): Define.
10378 (CASE_VECTOR_MODE): Always use 32-bit offsets.
10379 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
10380 (EXTRA_SECTOIN_FUNCTIONS): Indent .csect pseudo-op.
10381 (toc_section): Likewise and .toc pseudo-op.
10382 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
10384 (TEXT_SECTION_ASM_OP): Likewise.
10385 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
10388 1999-12-17 Jakub Jelinek <jakub@redhat.com>
10390 * config/rs6000/rs6000.h (TARGET_POWERPC64): Make sure
10391 UNITS_PER_WORD and BITS_PER_WORD are compile time constants when
10394 2000-01-06 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10396 * rs6000.h: Move more stuff from here...
10398 * sysv4.h: Cleanup accordingly.
10399 * netware.h: Likewise
10401 2000-01-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10403 * rs6000.h: Continue cleanup.
10405 * lynx.h: Likewise.
10406 * netware.h: Likewise.
10407 * sol2.h: Likewise.
10408 * sysv4.h: Likewise.
10409 * win-nt.h: Likewise.
10411 * rs6000.h (TARGET_SWITCHES): Add descriptions.
10412 (TARGET_OPTIONS): Likewise.
10414 * sysv4.h (SUBTARGET_SWITCHES): Add descriptions.
10415 (SUBTARGET_OPTIONS): Likewise.
10417 * rs6000.md: Fix compile time warnings.
10419 2000-01-04 Geoff Keating <geoffk@cygnus.com>
10421 vxworks patches from the Cygnus tree originally by
10422 Michael Meissner <meissner@cygnus.com> and Vladimir Makarov
10423 <vmakarov@cygnus.com>.
10424 * sysv4.h (SUBTARGET_SWITCHES): Add vxworks.
10425 (ENDFILE_SPEC): Likewise.
10426 (LIB_VXWORKS_SPEC): New macro.
10427 (STARTFILE_VXWORKS_SPEC): New macro.
10428 (ENDFILE_VXWORKS_SPEC): New macro.
10429 (LINK_START_VXWORKS_SPEC): New macro.
10430 (LINK_OS_VXWORKS_SPEC): New macro.
10431 (CPP_OS_VXWORKS_SPEC): New macro.
10432 (SUBTARGET_EXTRA_SPECS): Add all the vxworks specs.
10433 * vxppc.h: Rewrite to use proper configuration method.
10434 * vxppcle.h: New file.
10435 * ../../configure.in: Add powerpcle-wrs-vxworks*.
10436 * ../../configure: Rebuilt.
10438 2000-01-04 Geoff Keating <geoffk@cygnus.com>
10440 Lots of changes to rs6000.h, sysv4.h, aix.h,
10441 aix31.h, aix3newas.h, aix41.h, aix43.h, beos.h,
10442 with the aim that rs6000.h is the first header
10443 included and the others override it.
10446 * x-aix41-gld: Remove.
10448 * x-aix41: Remove target-specific switches, and don't specify
10449 -Wl,-bbigtoc as we don't need it any more.
10450 * ../../configure.in: Use x-aix41 for ppc AIX 4.1 and above.
10451 Use t-aix43 for AIX 4.3 and above.
10452 * ../../configure: Regenerated.
10454 * rs6000.h (TARGET_SWITCHES): Add some initial prolog-scheduling
10455 options, that don't do anything yet.
10456 (MASK_SCHED_PROLOG): New macro.
10457 (MASK_SCHED_EPILOG): New macro.
10458 (TARGET_SCHED_PROLOG): New macro.
10459 (TARGET_SCHED_EPILOG): New macro.
10461 2000-01-04 Geoff Keating <geoffk@cygnus.com>
10463 * rs6000.c: Correct comment, the `minimal' TOCs are actually
10464 one per translation unit, not one per function.
10465 (output_toc): Also do duplicate constant elimination
10466 for per-translation-unit TOCs.
10468 * rs6000.md (nonlocal_goto_receiver): Put it back as before. Add
10469 a comment explaining _exactly_ when this pattern gets used.
10470 (builtin_setjmp_receiver): New pattern for better clarity.
10471 (init_v4_pic): Move it into a section dealing with TOC registers.
10473 1999-12-30 Geoff Keating <geoffk@cygnus.com>
10475 * rs6000.c (toc_hash_table): New variable.
10476 (rs6000_hash_constant): New function.
10477 (toc_hash_function): New function.
10478 (toc_hash_eq): New function.
10479 (toc_hash_mark_entry): New function.
10480 (toc_hash_mark_table): New function.
10481 (output_toc): Don't output duplicate TOC entries in
10483 (rs6000_add_gc_roots): Add the hash table as a GC root.
10484 * t-aix43: Move AR_FOR_TARGET and CLIB here from x-aix43,
10485 where they clearly shouldn't be. This may need to be fixed
10486 later when there is a GNU ar for AIX.
10487 * x-aix43: Don't define CLIB or AR_FOR_TARGET.
10488 Don't define BOOT_LDFLAGS as it is now not necessary.
10490 1999-12-29 Geoff Keating <geoffk@cygnus.com>
10492 * rs6000.c (rs6000_build_va_list): Use 'char *' rather than 'void *'
10493 for va_list on AIX. Use unsigned_char_type_node rather than
10494 constructing our own version on svr4.
10496 1999-12-17 Geoff Keating <geoffk@cygnus.com>
10498 * tramp.asm (__trampoline_size): Delete CYGNUS LOCAL comment,
10499 since patently it's not.
10501 1999-12-08 Geoff Keating <geoffk@cygnus.com>
10503 * config/rs6000/rs6000.md (nonlocal_goto_receiver): Turn into
10504 define_expand/define_insn pair, and handle restore of the
10505 SVR4 -fpic register.
10507 Wed Mar 15 15:43:38 2000 Jeffrey A Law (law@cygnus.com)
10509 * acconfig.h (HAVE_GAS_WEAK): New define.
10510 * configure.in (assembler weak support): Check for .weak support.
10511 * config.in, configure: Rebuilt.
10512 * pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Only define if
10513 HAVE_GAS_WEAK is defined.
10515 2000-03-15 Nick Clifton <nickc@cygnus.com>
10517 * config/arm/arm.c (arm_output_epilogue): Do not pass %c to
10520 2000-03-15 Zack Weinberg <zack@wolery.cumb.org>
10522 * cppfiles.c (open_include_file): New function.
10523 (find_include_file, cpp_read_file): Use it.
10525 2000-03-15 Jason Merrill <jason@casey.cygnus.com>
10527 * cpphash.c (dump_hash_helper): Take the slot, not the element.
10529 Wed Mar 15 14:28:54 2000 Jason Eckhardt <jle@cygnus.com>
10531 * flow.c (verify_flow_info): Check for unconditional return.
10533 Wed Mar 15 11:34:27 2000 Jim Wilson <wilson@cygnus.com>
10535 * config/ia64/ia64.md (restore_stack_nonlocal): New.
10536 * config/ia64/lib1funcs.asm (__ia64_nonlocal_goto): Delete padding nop.
10537 (__ia64_restore_stack_nonlocal): New.
10538 * config/ia64/t-ia64 (LIB1ASMFUNCS): Add __restore_stack_nonlocal.
10540 2000-03-15 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
10542 * cpphash.c (collect_formal_parameters): Do not complain about
10543 parameter names that just start with `__VA_ARGS__'.
10545 Wed Mar 15 13:26:58 MET 2000 Jan Hubicka <jh@suse.cz>
10547 * i386.md (movhi_1): Promote movw imm, reg to movl imm, reg and
10548 movw reg, reg to movzwl reg, reg on PARTIAL_REGISTER_STALL machines.
10549 * i386.c (pentiumpro_cost): Set mul cost to 4.
10550 (x86_use_movx): Set for PPro.
10552 Wed Mar 15 13:07:05 MET 2000 Jan Hubicka <jh@suse.cz>
10554 * i386.md (ix86_compute_frame_size): stack_alignment_needed is
10555 STACK_BOUNDARY for empty frames now.
10557 2000-03-14 Mark Mitchell <mark@codesourcery.com>
10559 * stor-layout.c (layout_union): Remove.
10560 (layout_union_field): New function, split out from layout_union.
10561 (finish_union_layout): Likewise.
10562 (layout_field): Handle unions by calling layout_union_field.
10563 (finish_record_layout): Handle unions.
10564 (layout_type): Combine RECORD_TYPE, UNION_TYPE, and
10565 QUAL_UNION_TYPE handling.
10567 Wed Feb 23 13:00:06 CET 2000 Jan Hubicka <jh@suse.cz>
10569 * flow.c (fixup_reorder_chain): Avoid double labels in the basic block;
10570 end of basic block is jump_insn, not barrier; use create_basic_block
10571 instead of creating basic block by hand.
10573 2000-03-14 Jason Eckhardt <jle@cygnus.com>
10575 * flow.c (reorder_basic_blocks): Account for barriers when writing
10576 over NEXT_INSN (last_bb->end).
10577 (verify_flow_info): Add check for missing barriers.
10579 2000-03-14 Greg McGary <gkm@gnu.org>
10581 * c-lex.h (enum rid): Add RID_BOUNDED & RID_UNBOUNDED.
10582 * c-lex.c (init_lex): Handle RID_BOUNDED & RID_UNBOUNDED.
10583 * c-parse.gperf (__bounded, __bounded__, __ptrbase, __ptrbase__,
10584 __ptrextent, __ptrextent__, __ptrvalue, __ptrvalue__,
10585 __unbounded, __unbounded__): New keywords.
10586 * c-parse.in (PTR_VALUE PTR_BASE PTR_EXTENT): New tokens.
10587 * c-parse.y, c-parse.c, c-parse.h: Regenerate.
10588 * objc/objc-parse.y, objc/objc-parse.c: Regenerate.
10590 2000-03-14 Bernd Schmidt <bernds@cygnus.co.uk>
10592 * cselib.h: New file.
10593 * alias.c: Include "cselib.h".
10594 (fixed_scalar_and_varying_struct_p): Accept the addresses of the
10595 MEMs as two new arguments.
10596 (get_addr): New static function.
10597 (find_base_term): Handle VALUEs.
10598 (memrefs_conflict_p): Likewise.
10599 (true_dependence): Call get_addr on the addresses.
10600 Call fixed_scalar_and_varying_struct_p with addresses that have been
10601 passed through get_addr and canon_rtx.
10602 (write_dependence_p): Move DIFFERENT_ALIAS_SETS_P test for consistency
10603 with true_dependence.
10604 Call get_addr on the addresses; don't call canon_rtx on the MEMs.
10605 * loop.c: Include "cselib.h".
10606 (load_mems): Process extended basic block that enters the loop with
10607 cselib. Use that information to change initialization of the shadow
10608 register so that a constant equivalence is seen by later passes.
10609 * reload1.c: Include "cselib.h".
10610 (reload_cse_invalidate_regno): Delete function.
10611 (reload_cse_mem_conflict_p): Likewise.
10612 (reload_cse_invalidate_mem): Likewise.
10613 (reload_cse_invalidate_rtx): Likewise.
10614 (reload_cse_regno_equal_p): Likewise.
10615 (reload_cse_check_clobber): Likewise.
10616 (reload_cse_record_set): Likewise.
10617 (reg_values): Delete static variable.
10618 (invalidate_regno_rtx): Likewise.
10619 (reload_cse_delete_noop_set): New static function.
10620 (reload_cse_simplify): New static function, broken out of
10622 (reload_cse_noop_set_p): Delete unused argument INSN.
10623 Just call rtx_equal_for_cselib_p on set source and destination.
10624 (reload_cse_regs_1): Break out some code into reload_cse_simplify and
10625 reload_cse_delete_noop_set. Delete code to keep track of values; use
10626 cselib functions instead. Delete code to push/pop obstacks.
10627 (reload_cse_simplify_set): Use cselib to find equivalent values.
10628 Delete code to push/pop obstacks.
10629 (reload_cse_simplify_operands): Likewise.
10630 * rtl.def (VALUE): New rtx code.
10631 * rtl.h (union rtunion_def): New elt rt_cselib.
10632 (X0CSELIB, CSELIB_VAL_PTR): New macros.
10633 * simplify_rtx.c: Include "ggc.h", "obstack.h", "cselib.h".
10634 (new_elt_list, new_elt_loc_list, unchain_one_value, clear_table,
10635 unchain_one_elt_list, unchain_one_elt_loc_list, check_useless_values,
10636 discard_useless_locs, discard_useless_values, entry_and_rtx_equal_p,
10637 hash_rtx, new_cselib_val, add_mem_for_addr, get_value_hash,
10638 cselib_lookup_mem, cselib_subst_to_values, cselib_invalidate_regno,
10639 cselib_mem_conflict_p, cselib_invalidate_mem, cselib_invalidate_rtx,
10640 cselib_record_set, cselib_record_sets): New static functions.
10641 (cselib_lookup, cselib_update_varray_sizes, cselib_init,
10642 cselib_finish, cselib_process_insn, rtx_equal_for_cselib_p,
10643 references_value_p): New functions.
10644 (MAX_USELESS_VALUES, REG_VALUES): New macros.
10645 (table, cselib_current_insn, next_unknown_value, cselib_nregs,
10646 n_useless_values, reg_values, callmem, cselib_obstack,
10647 cselib_startobj, empty_vals, empty_elt_lists, empty_elt_loc_lists):
10648 New static variables.
10649 * varray.h (union varray_data_tag): New elt te.
10650 (VARRAY_ELT_LIST_INIT, VARRAY_ELT_LIST): New macros.
10651 * Makefile.in (reload1.o, loop.o, simplify-rtx.o, alias.o): Update
10654 2000-03-14 Nick Clifton <nickc@cygnus.com>
10656 * gcc.c (do_spec_1): Catch the case where %* is used in a
10657 substitution pattern, but it has not been initialised.
10658 Issue a meaningful error message if an unrecognised operator
10659 is encountered in a spec string.
10661 2000-03-14 Richard Earnshaw <rearnsha@arm.com>
10663 * function.c (prepare_function_start): Correctly initialize
10664 cfun->stack_alignment_needed.
10666 2000-03-14 Zack Weinberg <zack@wolery.cumb.org>
10668 * cppfiles.c (find_include_file): Don't assume nshort is a
10671 Tue Mar 14 08:42:21 2000 Jeffrey A Law (law@cygnus.com)
10673 * configure.in (hppa configurations): Add pa32-regs.h to the
10674 list of tm files as appropriate.
10675 * configure: Rebuilt.
10676 * pa.c (compute_frame_size): Remove explicit knowledge about FP
10677 register numbering.
10678 (hppa_expand_prologue, hppa_expand_epilogue): Likewise.
10679 (fmpyaddoperands, fmpysuboperands): Likewise.
10680 * pa.h: Remove various definitions which depend on knowing
10681 how registers are numbered.
10682 * pa32-regs.h: New file with PA32 register numbering specific
10685 2000-03-14 Richard Henderson <rth@cygnus.com>
10687 * regmove.c (combine_stack_adjustments): New.
10688 (stack_memref_p, single_set_for_csa): New.
10689 (free_csa_memlist, record_one_stack_memref): New.
10690 (try_apply_stack_adjustment): New.
10691 (combine_stack_adjustments_for_block): New.
10692 * rtl.h (combine_stack_adjustments): Declare.
10693 * toplev.c (rest_of_compilation): Call it.
10695 * i386.md: Revert 2000-01-16 change.
10697 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10699 * gccbug.in: Add web category, gcc specific classes.
10701 2000-03-14 Nathan Sidwell <nathan@codesourcery.com>
10703 * stor-layout.c (finalize_record_size): Fix typo.
10705 2000-03-14 Stan Shebs <shebs@apple.com>
10707 * c-typeck.c (c_alignof): Error on incomplete types.
10708 * extend.texi (Alignment): Document this.
10710 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
10712 * cppfiles.c: Include mkdeps.h.
10713 (find_include_file, read_include_file): Remove _cpp_ prefix
10714 from name, make static.
10715 (_cpp_execute_include): New function, broken out of
10718 * cpplib.c: Don't include mkdeps.h.
10719 (struct directive): Remove type field. Reorder entries. The
10720 function takes only one argument.
10721 (struct if_stack): Make type field an int.
10722 (directive_table): Rename to dtable. Generate it, the
10723 prototypes of the directive handlers, and the enum for the
10724 directive numbers, from a template macro.
10725 (do_ifndef, do_include_next, do_import): New functions.
10726 (do_define, do_include, do_endif, do_ifdef, do_if, do_else,
10727 do_undef, do_line, do_elif, do_error, do_pragma, do_warning,
10728 do_ident, do_assert, do_unassert, do_sccs): Take only one
10730 (do_sccs): Define always, but alter behavior based on
10732 (_cpp_handle_directive, consider_directive_while_skipping):
10733 Restructure for new directive table layout.
10735 (pass_thru_directive): Take a directive number, not a pointer
10736 to a struct directive.
10737 (parse_include): New function, broken out of do_include.
10738 (do_include, do_import, do_include_next): Use parse_include
10739 and _cpp_execute_include.
10740 (do_elif, do_else): Test for T_ELSE specifically when checking
10741 for #elif/#else after #else.
10742 (parse_ifdef): New function, broken out of do_ifdef.
10743 (validate_else): Expect a name arg without a leading #.
10744 (if_directive_name): Delete.
10745 (cpp_define, cpp_assert, cpp_undef, cpp_unassert): Call
10746 directive handlers with only one argument.
10748 * cpphash.h: Update prototypes.
10749 (enum node_type): Remove entries for directives.
10750 * Makefile.in: Update dependencies.
10752 * cpphash.c (dump_hash_helper): Only dump nodes of type
10753 T_MACRO. Emit a newline after each definition.
10755 2000-03-14 Martin v. Löwis <loewis@informatik.hu-berlin.de>
10757 * gccbug.in: New file.
10758 * configure.in (all_outputs): Add gccbug.
10759 * Makefile.in (install-common): Install gccbug.
10760 (GCCBUG_INSTALL_NAME): New variable.
10761 * configure: Rebuilt.
10763 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
10765 * function.c (put_var_into_stack): Use type_for_mode to calculate
10766 part_type. Use MEM_SET_IN_STRUCT_P.
10767 * expr.c (store_field): Handle CONCAT.
10768 (store_constructor): Use fields_length.
10769 * tree.c (fields_length): New fn.
10770 * tree.h: Declare it.
10772 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
10774 * Makefile.in (LIBCPP_OBJS): Add cpplex.o.
10775 (cpplex.o): New target.
10776 * po/POTFILES.in: Add cpplex.c.
10778 * cpplex.c (_cpp_grow_token_buffer, null_cleanup,
10779 cpp_push_buffer, cpp_pop_buffer, cpp_scan_buffer,
10780 cpp_expand_to_buffer, cpp_buf_line_and_col, cpp_file_buffer,
10781 skip_block_comment, skip_line_comment, skip_comment,
10782 copy_comment, _cpp_skip_hspace, _cpp_skip_rest_of_line,
10783 _cpp_parse_name, skip_string, parse_string,
10784 _cpp_parse_assertion, cpp_get_token, cpp_get_non_space_token,
10785 _cpp_get_directive_token, find_position,
10786 _cpp_read_and_prescan, _cpp_init_input_buffer): Move here.
10787 (maybe_macroexpand, _cpp_lex_token): New functions.
10789 * cpplib.c (SKIP_WHITE_SPACE, eval_if_expr, parse_set_mark,
10790 parse_goto_mark): Delete.
10791 (_cpp_handle_eof): New function.
10792 (_cpp_handle_directive): Rename from handle_directive.
10793 (_cpp_output_line_command): Rename from output_line_command.
10794 (do_if, do_elif): Call _cpp_parse_expr directly.
10795 * cppfiles.c (_cpp_read_include_file): Don't call
10796 init_input_buffer here.
10797 * cpphash.c (quote_string): Move here, rename _cpp_quote_string.
10798 * cppexp.c (_cpp_parse_expr): Diddle parsing_if_directive
10799 here; pop the token_buffer and skip the rest of the line here.
10800 * cppinit.c (cpp_start_read): Call _cpp_init_input_buffer
10803 * cpphash.h (CPP_RESERVE, CPP_IS_MACRO_BUFFER, ACTIVE_MARK_P):
10805 (CPP_SET_BUF_MARK, CPP_GOTO_BUF_MARK, CPP_SET_MARK,
10806 CPP_GOTO_MARK): New macros.
10807 (_cpp_quote_string, _cpp_parse_name, _cpp_skip_rest_of_line,
10808 _cpp_skip_hspace, _cpp_parse_assertion, _cpp_lex_token,
10809 _cpp_read_and_prescan, _cpp_init_input_buffer,
10810 _cpp_grow_token_buffer, _cpp_get_directive_token,
10811 _cpp_handle_directive, _cpp_handle_eof,
10812 _cpp_output_line_command): Prototype them here.
10813 * cpplib.h (enum cpp_token): Add CPP_MACRO.
10814 (CPP_RESERVE, get_directive_token, cpp_grow_buffer,
10815 quote_string, output_line_command): Remove.
10817 2000-03-13 Bernd Schmidt <bernds@cygnus.co.uk>
10819 * stmt.c (expand_end_case): RANGE may be signed, and when checking
10820 whether it is too large we must also verify that it isn't negative.
10822 2000-03-13 Jakub Jelinek <jakub@redhat.com>
10824 * config/sparc/sparc.md: Remove all traces of TARGET_LIVE_G0.
10825 (movsi_zero_liveg0): Remove.
10826 (movsf_insn_novis_liveg0): Remove.
10828 (negsi2_not_liveg0): Rename to negsi2.
10829 (one_cmplsi2): Remove.
10830 (one_cmplsi2_not_liveg0): Rename to one_cmplsi2.
10831 (one_cmplsi2_liveg0): Remove.
10832 * config/sparc/sparc.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE,
10833 MASK_LIVE_G0, MASK_BROKEN_SAVERESTORE): Remove.
10834 (CONDITIONAL_REGISTER_USAGE): Remove TARGET_LIVE_G0 if.
10835 (PREDICATE_CODES): Remove zero_operand.
10836 * config/sparc/sparc.c: Remove all traces of TARGET_LIVE_G0 and
10837 TARGET_BROKEN_SAVERESTORE.
10838 (zero_operand): Remove.
10839 * config/sparc/splet.h (SUBTARGET_SWITCHES): Remove -mlive-g0,
10840 -mno-live-g0, -mbroken-saverestore and -mno-broken-saverestore
10842 (SUBTARGET_OVERRIDE_OPTIONS): Remove.
10843 * config/sparc/linux-aout.h (TARGET_LIVE_G0,
10844 TARGET_BROKEN_SAVERESTORE): Remove.
10845 * config/sparc/linux.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
10847 * config/sparc/linux64.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
10849 * config/sparc/sol2.h (TARGET_LIVE_G0, TARGET_BROKEN_SAVERESTORE):
10852 * config/sparc/sparc.md (return_df_no_fpu): New pattern.
10854 2000-03-13 Zack Weinberg <zack@wolery.cumb.org>
10856 * cpplib.c (do_pragma_implementation): Fix off-by-one error
10857 truncating a string. Don't assume tokens are nul terminated.
10858 Problem noted by Andreas Jaeger <aj@suse.de>
10860 2000-03-13 Jason Merrill <jason@casey.cygnus.com>
10862 * dwarf2out.c (add_name_and_src_coords_attributes): Only add
10863 DW_AT_MIPS_linkage_name for TREE_PUBLIC decls.
10864 (ASM_OUTPUT_DWARF_ADDR_CONST): Don't output trailing newline.
10866 2000-03-13 Richard Earnshaw <rearnsha@arm.com>
10868 * stor-layout.c (new_record_layout_info): Fix typo inside ifdef
10869 STRUCTURE_SIZE_BOUNDARY.
10871 2000-03-13 Mark Mitchell <mark@codesourcery.com>
10873 * tree.h (record_layout_info_s): New structure.
10874 (record_layout_info): New type.
10875 (new_record_layout_info): New function.
10876 (layout_field): Likewise.
10877 (finish_record_layout): Likewise.
10878 * stor-layout.c (layout_record): Remove.
10879 (new_record_layout_info): New function.
10880 (layout_field): New function, broken out from layout_record.
10881 (finalize_record_size): Likewise.
10882 (compute_record_mode): Likewise.
10883 (finalize_type_size): New function, broken out from layout_type.
10884 (finish_record_layout): Likewise.
10885 (layout_type): Use them.
10887 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
10889 * cpphash.c: Don't include version.h.
10890 (special_symbol) [case T_VERSION]: Look for the string in
10891 hp->value.cpval; don't use version_string.
10892 * cppinit.c (initialize_builtins): Set hp->value.cpval for
10893 __VERSION__ to version_string.
10894 * Makefile.in (cpphash.o): Update deps.
10896 2000-03-12 Zack Weinberg <zack@wolery.cumb.org>
10898 Convert cpplib to use libiberty/hashtab.c.
10900 * cpplib.h (struct cpp_reader): Make hashtab and
10901 all_include_files of type 'struct htab *'. Delete HASHSIZE
10902 and ALL_INCLUDE_HASHSIZE macros.
10904 * cpphash.h: Update prototypes.
10905 (struct hashnode): Remove next, prev, and bucket_hdr members.
10906 Make length a size_t. Add hash member.
10907 (struct ihash): Remove next member. Add hash member. Make
10908 name a flexible array member.
10910 * cppfiles.c: Include hashtab.h.
10911 (include_hash): Delete.
10912 (IHASHSIZE): New macro.
10913 (hash_IHASH, eq_IHASH, _cpp_init_include_hash): New functions.
10914 (cpp_included): Do the hash lookup here.
10915 (_cpp_find_include_file): Rewrite.
10916 (cpp_read_file): Put the "fake" hash entry into the hash
10917 table. Honor the control_macro, if it turns out we've seen
10918 the file before. Don't push the buffer here.
10919 (_cpp_read_include_file): Push the buffer here.
10920 (OMODES): New macro. Use it whenever we call open(2).
10922 * cpphash.c: Include hashtab.h.
10923 (hash_HASHNODE, eq_HASHNODE, del_HASHNODE, dump_hash_helper,
10924 _cpp_init_macro_hash, _cpp_dump_macro_hash, _cpp_make_hashnode,
10925 _cpp_lookup_slot): New functions.
10926 (HASHSIZE): new macro.
10927 (hashf, _cpp_install, _cpp_delete_macro): Delete.
10928 (_cpp_lookup): Use hashtab.h routines.
10930 * cppinit.c: Include hashtab.h.
10931 (cpp_reader_init): Call _cpp_init_macro_hash and
10932 _cpp_init_include_hash. Don't allocate hashtab directly.
10933 (cpp_cleanup): Just call htab_delete on pfile->hashtab and
10934 pfile->all_include_files.
10935 (initialize_builtins): Use _cpp_make_hashnode and
10936 htab_find_slot to add hash entries.
10937 (cpp_finish): Just call _cpp_dump_macro_hash.
10938 * cpplib.c: Include hashtab.h.
10939 (do_define): Use _cpp_lookup_slot and _cpp_make_hashnode to
10940 create hash entries.
10941 (do_pragma_poison, do_assert): Likewise.
10942 (do_include): Don't push the buffer here. Don't increment
10943 system_include_depth unless _cpp_read_include_file succeeds.
10944 (do_undef, do_unassert): Use _cpp_lookup_slot and htab_clear_slot
10945 or htab_remove_elt.
10946 (do_pragma_implementation): Use alloca to create copy.
10948 * Makefile.in: Update dependencies.
10950 2000-03-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10952 * cppinit.c (cl_directive_handler): More K&R fixing.
10954 Sat Mar 11 23:54:26 2000 Jim Wilson <wilson@cygnus.com>
10956 * config/ia64/ia64.c (ia64_compute_frame_size): Align size to
10958 * config/ia64/ia64.h (REGISTER_MOVE_COST): Add missing parentheses.
10960 2000-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10962 * cppinit.c (no_arg, no_ass, no_dir, no_fil, no_mac, no_pth):
10963 Change from char[] to macros.
10965 2000-03-12 Neil Booth <NeilB@earthling.net>
10967 * cppinit.c (cpp_start_read): Update indirect function
10970 Sat Mar 11 16:18:12 2000 Jim Wilson <wilson@cygnus.com>
10972 * config/ia64/ia64.h (ADDITIONAL_REGISTER_NAMES): Fix typo in loc79
10975 * config/ia64/ia64-protos.h, config/ia64/ia64.c, config/ia64/ia64.h,
10976 config/ia64/ia64.md, config/ia64/xm-ia64.h: Fix copyright messages.
10978 2000-03-11 Neil Booth <NeilB@earthling.net>
10980 * cppinit.c (struct pending option): Replace undef with a
10981 pointer to a directive handling routine.
10982 (struct cpp_pending): Replace separate assert_ and define_
10983 lists with one directive_ list.
10984 (new_pending_define): Rename new_pending_directive. Extra
10985 argument is the directive's handling routine.
10986 (handle_option): Update to use new_pending_directive.
10988 2000-03-11 Neil Booth <NeilB@earthling.net>
10990 * cppfiles.c (file_cleanup, _cpp_find_include_file,
10991 remap_filename, _cpp_read_include_file, actual_directory,
10992 hack_vms_include_specification): Replace bcopy(), index() etc
10993 calls. Add casts to some allocations. Make some variables
10994 pointers to const [unsigned] char.
10995 * cpphash.c (_cpp_install, macro_cleanup, collect_expansion,
10996 collect_formal_parameters): Similarly.
10997 * cppinit.c (struct pending_option, append_include_chain,
10998 cpp_options_init, cpp_reader_init, initialize_standard_includes,
10999 cpp_start_read, new_pending_define, handle_option): Similarly.
11000 * cpplib.c (cpp_define, copy_comment, do_define, do_include,
11001 do_undef, do_error, do_warning, do_pragma, do_pragma_once,
11002 do_pragma_implementation, detect_if_not_defined,
11003 do_ifdef, skip_if_group, cpp_get_token, parse_string,
11004 do_assert, do_unassert): Similarly.
11005 * cpplib.h (cpp_buffer, cpp_options): Update types. Update
11006 function prototypes.
11007 * mkdeps.c (deps_add_target, deps_add_dep): cast allocations.
11009 2000-03-10 Richard Henderson <rth@cygnus.com>
11011 * builtins.c (expand_builtin_strlen): Revert last change.
11012 Use emit_insn_before if we're at the beginning of a sequence.
11014 2000-03-10 Jason Merrill <jason@casey.cygnus.com>
11016 * builtins.c (expand_builtin_strlen): Make sure that we have something
11017 at the beginning of the sequence.
11019 * toplev.c (rest_of_compilation): Also set TREE_NOTHROW for
11022 * invoke.texi (C++ Dialect Options): Document -fno-enforce-eh-specs.
11024 2000-03-10 Richard Henderson <rth@cygnus.com>
11026 * except.c (can_throw): Use INTVAL on a CONST_INT.
11027 (reachable_handlers): Likewise.
11028 * flow.c (count_basic_blocks, find_basic_blocks_1): Likewise.
11030 2000-03-10 Andreas Jaeger <aj@suse.de>
11032 * config/mips/linux.h: Undefine MD_EXEC_PREFIX and
11033 MD_STARTFILE_PREFIX since those are not needed on linux.
11034 (ASM_FILE_START): New, from mips/gnu.h.
11036 2000-03-09 Richard Henderson <rth@cygnus.com>
11037 Alex Samuel <samuel@codesourcery.com> and others
11039 * Makefile.in (ssa.o): New rule.
11041 (STAGESTUFF): Add *.ssa and *.ussa.
11042 (mostlyclean): Delete *.ssa, *.ussa, */*.ssa, */*.ussa.
11043 * rtl.def (PHI): New RTL expression.
11044 * rtl.h (clear_log_links): New declaration.
11045 (convert_to_ssa): Likewise.
11046 (convert_from_ssa): Likewise.
11047 * flow.c (split_edge): If the entry node falls through to the
11048 split edge's source block, split the entry edge.
11049 (clear_log_links): New function.
11050 * toplev.c (ssa_dump): New variable.
11051 (flag_ssa): Likewise.
11052 (f_options): Add "ssa".
11053 (compile_file): Create SSA dump files.
11054 (rest_of_compilation): Go to and from SSA if enabled.
11055 (decide_d_option): Handle -de for SSA dump files.
11058 Thu Mar 9 20:01:38 2000 Jim Wilson <wilson@cygnus.com>
11060 * expr.c (expand_assignment): For a CALL_EXPR, special case PARM_DECL
11063 2000-03-09 Benjamin Kosnik <bkoz@cygnus.com>
11065 * config/alpha/linux.h (WCHAR_TYPE): Make consistent.
11067 Thu Mar 9 18:10:02 2000 Jeffrey A Law (law@cygnus.com)
11069 * config/pa/pa-hpux10.h (LIB_SPEC): Correct typo in !p case.
11070 (MD_STARTFILE_PREFIX_1): New macro.
11072 2000-03-09 Robert Lipe <robertl@sco.com>
11074 * config/ia64/ia64.c: Include system.h.
11076 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
11078 * except.c (nothrow_function_p): If -fno-exceptions, just return.
11079 (init_eh_nesting_info): Likewise.
11081 * tree.h (struct tree_common): Rename raises_flag to nothrow_flag.
11082 (TREE_NOTHROW): Rename from TREE_RAISES.
11083 * toplev.c (rest_of_compilation): Set it.
11084 * print-tree.c (print_node): Adjust.
11085 * tree.c (stabilize_reference, build, build1): Don't set TREE_RAISES.
11086 (stabilize_reference_1, get_unwidened, get_narrower): Likewise.
11087 * calls.c (emit_call_1): Add 'nothrow' parm. Add
11088 REG_EH_REGION note as appropriate.
11089 (libfunc_nothrow): New fn.
11090 (emit_library_call, emit_library_call_value): Use it.
11091 (expand_call): Check TREE_NOTHROW.
11093 * varasm.c (make_decl_rtl): Skip initial '*' when setting
11094 DECL_ASSEMBLER_NAME.
11096 2000-03-09 Andreas Jaeger <aj@suse.de>
11098 * mips/linux.h (NO_IMPLICIT_EXTERN_C): Define.
11099 (TARGET_MEM_FUNCTIONS): Define.
11101 2000-03-09 Jason Merrill <jason@casey.cygnus.com>
11103 * i386.c (ix86_valid_type_attribute_p): Use compare_tree_int.
11105 * except.c (can_throw): See through a SEQUENCE.
11106 (nothrow_function_p): New fn.
11107 * except.h: Declare it.
11108 * function.c (current_function_nothrow): New var.
11109 (prepare_function_start): Initialize it.
11110 * output.h: Declare it.
11111 * toplev.c (rest_of_compilation): Set it.
11112 * dwarf2out.c (dwarf2out_begin_prologue): Use it.
11114 2000-03-09 Zack Weinberg <zack@wolery.cumb.org>
11116 * cpphash.c (collect_formal_parameters): strncmp returns 0 for
11117 match. (cpp_compare_defs): Count the nul separator when
11118 advancing over argument names.
11120 2000-03-09 Bernd Schmidt <bernds@cygnus.co.uk>
11122 * recog.c (preprocess_constraints): Matching constraints affect
11123 same alternative/different operand, not same operand/different
11126 * reload1.c (eliminate_regs_in_insn): Handle additions of eliminable
11127 register and a constant specially.
11129 2000-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11131 * libgcc2.h: New file.
11132 * libgcc2.c: Move macros, typedefs and prototypes to libgcc2.h.
11134 Wed Mar 8 16:19:42 2000 Jim Wilson <wilson@cygnus.com>
11136 * configure.in (ia64*-*-elf*, ia64*-*-linux*): New.
11137 * configure: Regenerate.
11138 * config/ia64: New.
11140 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
11142 * Makefile.in (LIBCPP_DEPS): New macro.
11143 (cpplib.o, cpphash.o, cpperror.o, cppexp.o, cppfiles.o): Use
11144 it to declare deps.
11145 * cpperror.c: Include cpphash.h.
11146 * cppexp.c: Include cpphash.h. Remove MULTIBYTE_CHARS
11148 (lex): Don't use CPP_WARN_UNDEF.
11149 (_cpp_parse_expr): Return an int, the truth value.
11150 * cppfiles.c: Include cpphash.h.
11151 (_cpp_merge_include_chains): Move to cppinit.c and make static.
11152 * cppinit.c (include_defaults_array): Disentangle.
11153 (cpp_cleanup): Don't free the if stack here.
11154 (cpp_finish): Pop off all buffers, not just one.
11155 * cpplib.c (eval_if_expr): Return int.
11156 (do_xifdef): Rename do_ifdef.
11157 (handle_directive): Don't use CPP_PREPROCESSED.
11158 (cpp_get_token): Don't use CPP_C89.
11159 * fix-header.c: Don't use CPP_OPTIONS.
11161 * cpplib.h: Move U_CHAR, enum node_type, struct
11162 file_name_list, struct ihash, is_idchar, is_idstart,
11163 is_numchar, is_numstart, is_hspace, is_space, CPP_BUF_PEEK,
11164 CPP_BUF_GET, CPP_FORWARD, CPP_PUTS, CPP_PUTS_Q, CPP_PUTC,
11165 CPP_PUTC_Q, CPP_NUL_TERMINATE, CPP_NUL_TERMINATE_Q,
11166 CPP_BUMP_BUFFER_LINE, CPP_BUMP_LINE, CPP_PREV_BUFFER,
11167 CPP_PRINT_DEPS, CPP_TRADITIONAL, CPP_PEDANTIC, and prototypes
11168 of _cpp_simplify_pathname, _cpp_find_include_file,
11169 _cpp_read_include_file, and _cpp_parse_expr to cpphash.h.
11170 Move struct if_stack to cpplib.c. Move struct cpp_pending to
11172 Change all uses of U_CHAR to be unsigned char instead.
11173 Delete CPP_WARN_UNDEF, CPP_C89, and CPP_PREPROCESSED.
11175 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
11177 * dwarf2out.c (dw_fde_struct): Add 'nothrow'.
11178 (dwarf2out_begin_prologue): Set it.
11179 (output_call_frame_info): Don't emit EH unwind info for leaves.
11181 * flow.c (count_basic_blocks, find_basic_blocks_1): A rethrow
11182 can occur outside of an EH region.
11183 * except.c: Correct comments about rethrow behavior.
11184 (rethrow_symbol_map): Do nothing if !flag_new_exceptions.
11186 2000-03-08 Andrew MacLeod <amacleod@cygnus.com>
11188 * flow.c (make_edges): Always call make_eh_edge for calls.
11190 2000-03-08 Zack Weinberg <zack@wolery.cumb.org>
11192 * cpplib.h (parse_underflow_t, CPP_NULL_BUFFER): Delete.
11193 (struct cpp_buffer): Remove fname and underflow fields.
11194 (struct cpp_reader): Remove get_token field.
11195 (struct include_hash): Rename to struct ihash. Add typedef to
11197 (struct if_stack): Remove fname field.
11198 (IF_STACK_FRAME): Rename to IF_STACK.
11200 * cpperror.c (print_containing_files): Trust that there are no
11201 macro buffers below the top file buffer.
11202 * cppfiles.c: Replace all references to 'struct include_hash'
11203 with 'IHASH'. Rename initialize_input_buffer to
11204 init_input_buffer. Don't set or reference cpp_buffer->fname,
11205 use buffer->ihash->name instead.
11206 * cpphash.c (special_symbol): Use cpp_file_buffer. Use NULL
11207 not CPP_NULL_BUFFER.
11208 * cppinit.c: Use NULL not CPP_NULL_BUFFER, IF_STACK not
11209 IF_STACK_FRAME, IHASH not struct include_hash.
11210 * cpplib.c: Rename eval_if_expression to eval_if_expr. Remove
11211 null_underflow. Use IF_STACK not IF_STACK_FRAME, IHASH not
11212 struct include_hash, NULL not CPP_NULL_BUFFER. Remove all
11213 references to cpp_buffer->fname (delete entirely, or use
11214 ->ihash->name instead) and IF_STACK->fname.
11215 (cpp_push_buffer): Don't set new->underflow.
11216 (do_include): Use cpp_file_buffer.
11218 * cpphash.c (collect_formal_parameters): Remove duplicate
11219 increment of argslen. Pedwarn in C99 mode if __VA_ARGS__ is
11220 used as a macro argument name. Don't append "..." to namebuf
11221 for varargs macros. After we're done scanning, go through
11222 namebuf and make it NUL separated, not comma separated.
11223 (_cpp_compare_defs): Remove register tag from variables.
11224 Expect defn->argnames to be NUL separated.
11225 (_cpp_dump_definition): Expect defn->argnames to be NUL
11226 separated and in forward order.
11227 * cpphash.h: Update documentation of argnames field.
11229 2000-03-08 Richard Henderson <rth@cygnus.com>
11231 * builtins.c (expand_builtin_strlen): Be prepared for strlensi
11232 to fail. Don't pre-expand the source operand.
11234 * i386.md (strlensi): Initialize eoschar and align before use.
11236 2000-03-08 Jason Merrill <jason@casey.cygnus.com>
11238 * expr.c (expand_expr, case ARRAY_REF): Still check for missing
11239 CONSTRUCTOR element.
11241 2000-03-08 Gavin Romig-Koch <gavin@cetus.cygnus.com>
11243 * mips.c (mips_expand_prologue): If the last
11244 named argument is the vararg marker "va_list", treat it as
11245 an unnamed argument.
11247 2000-03-08 Clinton Popetz <cpopetz@cygnus.com>
11249 * dbxout.c (dbxout_parms): When correcting for promoted
11250 big-endian parameters, use the mode of the DECL_RTL rather
11251 than UNITS_PER_WORD.
11253 2000-03-08 Nathan Sidwell <nathan@codesourcery.com>
11255 * c-common.h (make_fname_decl): Declare.
11256 * c-common.c (make_fname_decl): Define.
11257 (declare_hidden_char_array): Remove.
11258 (declare_function_name): Use make_fname_decl.
11259 * c-decl.c (c_make_fname_decl): New function.
11260 (init_decl_processing): Set make_fname_decl.
11262 Tue Mar 7 23:50:31 2000 Jeffrey A Law (law@cygnus.com)
11264 * cccp.c (handle_directive): Initialize backslash_newlines_p.
11266 2000-03-07 Philipp Thomas <pthomas@suse.de>
11268 * po/POTFILES.in: Remove cppalloc.c from file list.
11270 2000-03-07 Steve Chamberlain <sac@pobox.com>
11272 * pj.c (pj_expand_prologue): current_function->args_info is
11273 now current_function_args_info.
11275 * pj.h (STORE_FLAG_VALUE, USER_LABEL_PREFIX,
11276 LOCAL_LABEL_PREFIX, ASM_GENERATE_INTERNAL_LABEL,
11277 ASM_OUTPUT_INTERNAL_LABEL, ASM_OUTPUT_SKIP): Define.
11279 2000-03-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11281 * config/c4x/c4x.h (PUT_SDB_TYPE): Define so that the type info is
11282 output as hexadecimal rather than the default octal.
11284 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
11286 * cpphash.c (special_symbol): Fix thinko in previous commit.
11288 2000-03-07 Neil Booth <NeilB@earthling.net>
11290 * cppexp.c (struct operation, left_shift, right_shift,
11291 cpp_parse_expr): Change some "char"s to "U_CHAR"s, and some
11292 "int"s to "unsigned int"s.
11293 * cpplib.c (detect_if_not_defined, do_assert, do_unassert):
11295 * cpplib.h: Update for above.
11296 * mkdeps.c (deps_init, deps_calc_target): Cast pointers
11297 returned from allocations.
11299 * cppinit.c (opt_comp, parse_options): New functions.
11300 (handle_option): Use parse_option to parse a single command
11301 line option, that possibly takes an argument.
11302 (cpp_handle_options): Sort the array of command line options on
11303 first invocation (non-ASCII hosts only).
11304 (print_help): Update.
11306 2000-03-07 Zack Weinberg <zack@wolery.cumb.org>
11308 * mkdeps.c (munge): Fix off-by-one bug and inconsistencies in
11309 backslash counting loops. Problem noted by Matt Kraai <kraai@ghs.com>.
11311 * cppfiles.c (_cpp_find_include_file): Make sure ih->name is
11313 * cppinit.c (cpp_cleanup): Free imp->nshort also.
11315 * cpperror.c (cpp_print_containing_files,
11316 cpp_print_file_and_line, v_cpp_message): Rename to
11317 print_containing_files, print_file_and_line, and v_message.
11318 * cppexp.c (cpp_parse_expr, cpp_parse_escape, cpp_lex): Rename
11319 to _cpp_parse_expr, parse_escape, and lex.
11320 (parse_charconst): Remove broken multibyte support.
11321 * cppfiles.c (include_hash): Make static.
11322 (cpp_included): New function.
11323 (merge_include_chains, find_include_file, finclude,
11324 simplify_pathname): Rename to _cpp_merge_include_chains,
11325 _cpp_find_include_file, _cpp_read_include_file, and
11326 _cpp_simplify_pathname.
11327 * cpphash.c (cpp_lookup, free_definition, delete_macro,
11328 cpp_install, create_definition, macroexpand, compare_defs,
11329 dump_definition): Rename to _cpp_lookup, _cpp_free_definition,
11330 _cpp_delete_macro, _cpp_install, _cpp_create_definition,
11331 _cpp_macroexpand, _cpp_compare_defs, and _cpp_dump_definition.
11332 * cppinit.c (cpp_handle_option): Rename to handle_option, make
11334 * cpplib.c: Remove extern prototype of cpp_parse_expr.
11336 * cpphash.h: Update prototypes.
11337 * cpplib.h: Likewise. Prototype _cpp_parse_expr here.
11339 2000-03-07 Andrew Haley <aph@cygnus.com>
11341 * config/mips/mips.h (PTRDIFF_TYPE): Revert broken change;
11342 PTRDIFF_TYPE should be based solely on Pmode.
11343 (SIZE_TYPE): ditto.
11345 2000-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11347 * rtl.h (rtunion_def): Constify member `rtstr'.
11348 (emit_line_note_after, emit_line_note, emit_line_note_force,
11349 emit_note, decode_asm_operands): Constify.
11351 * cse.c (canon_hash): Likewise.
11353 * dbxout.c (dbxout_block): Likewise.
11355 * diagnostic.c (file_and_line_for_asm, v_error_for_asm,
11356 v_warning_for_asm): Likewise.
11358 * dwarfout.c (function_start_label): Likewise.
11360 * emit-rtl.c (emit_line_note_after, emit_line_note, emit_note,
11361 emit_line_note_force): Likewise.
11363 * final.c (last_filename, asm_insn_count, final_scan_insn,
11364 output_source_line): Likewise.
11366 * function.h (struct emit_status): Likewise.
11368 * gcse.c (hash_expr_1): Likewise.
11370 * genattr.c (gen_attr, main): Likewise.
11372 * genattrtab.c (struct function_unit, current_alternative_string,
11373 write_attr_valueq, n_comma_elts, next_comma_elt, attr_eq,
11374 attr_numeral, check_attr_test, check_attr_value,
11375 convert_set_attr_alternative, convert_set_attr,
11376 compute_alternative_mask, simplify_by_exploding, gen_attr,
11377 gen_unit): Likewise.
11379 * genflags.c (gen_insn): Likewise.
11381 * gengenrtl.c (type_from_format): Likewise.
11383 * genopinit.c (gen_insn): Likewise.
11385 * genoutput.c (n_occurrences, process_template, process_template):
11388 * ggc-page.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
11391 * ggc-simple.c (ggc_set_mark, ggc_mark_if_gcable, ggc_get_size):
11394 * ggc.h (ggc_mark_string, ggc_mark, ggc_mark_if_gcable,
11395 ggc_set_mark, ggc_get_size): Likewise.
11397 * objc/objc-act.c (build_module_descriptor, finish_objc): Likewise.
11399 * optabs.c (init_one_libfunc): Likewise.
11401 * output.h (assemble_start_function): Likewise.
11403 * recog.c (decode_asm_operands): Likewise.
11405 * toplev.c (rest_of_compilation): Likewise.
11407 * tree.h (emit_line_note_after, emit_line_note,
11408 emit_line_note_force): Likewise.
11410 * varasm.c (asm_output_bss, asm_output_aligned_bss,
11411 asm_emit_uninitialised, assemble_start_function,
11412 assemble_variable, const_hash, compare_constant_1,
11413 find_pool_constant, mark_constant_pool, assemble_alias): Likewise.
11415 * xcoffout.h (DBX_FINISH_SYMBOL): Likewise.
11417 * alpha/alpha.md (call_vms, call_value_vms): Likewise.
11419 * arm/aof.h (ASM_OUTPUT_ASCII): Likewise.
11421 * arm/aout.h (ASM_OUTPUT_ASCII): Likewise.
11423 * arm/arm-protos.h (output_ascii_pseudo_op, arm_dllexport_name_p,
11424 arm_dllimport_name_p): Likewise.
11426 * arm/arm.c (arm_encode_call_attribute, output_ascii_pseudo_op):
11429 * arm/arm.h (ASM_OUTPUT_MI_THUNK): Likewise.
11431 * arm/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11433 * arm/pe.c (arm_dllexport_name_p, arm_dllimport_name_p,
11434 arm_mark_dllexport, arm_mark_dllimport,
11435 arm_pe_encode_section_info): Likewise.
11437 * arm/telf.h (ASM_OUTPUT_DEF_FROM_DECLS,
11438 ASM_FINISH_DECLARE_OBJECT): Likewise.
11440 * arm/thumb.c (thumb_function_prologue): Likewise.
11442 * arm/thumb.h (ASM_OUTPUT_ASCII): Likewise.
11444 * avr/avr.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11446 * clipper/clix.h (ASM_OUTPUT_ASCII): Likewise.
11448 * fx80/fx80.h (ASM_OUTPUT_ASCII): Likewise.
11450 * i386/cygwin.h (ASM_OUTPUT_SECTION_NAME): Likewise.
11452 * i386/freebsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11454 * i386/i386-interix.h (ASM_OUTPUT_LIMITED_STRING,
11455 ASM_OUTPUT_ASCII, ASM_OUTPUT_SECTION_NAME): Likewise.
11457 * i386/i386-protos.h (asm_output_function_prefix): Likewise.
11459 * i386/i386.c (asm_output_function_prefix): Likewise.
11461 * i386/i386elf.h (ASM_OUTPUT_ASCII): Likewise.
11463 * i386/osfrose.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11465 * i386/ptx4-i.h (ASM_OUTPUT_ASCII): Likewise.
11467 * i386/sco5.h (ASM_FINISH_DECLARE_OBJECT,
11468 ASM_OUTPUT_LIMITED_STRING, ASM_OUTPUT_ASCII,
11469 ASM_OUTPUT_SECTION_NAME): Likewise.
11471 * i386/sysv4.h (ASM_OUTPUT_ASCII): Likewise.
11473 * i860/paragon.h (ASM_OUTPUT_ASCII): Likewise.
11475 * i860/sysv3.h (ASM_OUTPUT_ASCII): Likewise.
11477 * m32r/m32r.c (m32r_encode_section_info): Likewise.
11479 * mcore-elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11481 * mcore/mcore.c (mcore_encode_section_info): Likewise.
11483 * mips/elf.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11485 * mips/elf64.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11487 * mips/iris6.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11489 * mips/mips.h (ASM_OUTPUT_IDENT): Likewise.
11491 * mips/mips.md (movdi, movsi): Likewise.
11493 * mips/netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11495 * netbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11497 * openbsd.h (ASM_FINISH_DECLARE_OBJECT): Likewise.
11499 * ptx4.h (ASM_FINISH_DECLARE_OBJECT, ASM_OUTPUT_LIMITED_STRING,
11500 ASM_OUTPUT_ASCII): Likewise.
11502 * rs6000/rs6000.c (rs6000_allocate_stack_space, output_epilog,
11503 output_mi_thunk, output_toc): Likewise.
11505 * rs6000/rs6000.md (movsi): Likewise.
11507 * rs6000/sysv4.h (ASM_OUTPUT_INT, ASM_OUTPUT_SECTION_NAME): Likewise.
11509 * tahoe/harris.h (ASM_OUTPUT_ASCII): Likewise.
11511 * v850/v850.c (print_operand, print_operand_address,
11512 v850_encode_data_area): Likewise.
11514 2000-03-07 Clinton Popetz <cpopetz@cygnus.com>
11516 * config/mips/mips.md (zero_extendsidi2): Always force operand
11517 one to memory for mips16.
11519 Mon Mar 6 15:22:29 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11521 * tree.h (INT_CST_LT, INT_CST_LT_UNSIGNED): Remove unneeded casts.
11522 (struct tree_int_cst): int_cst_low is now unsigned HOST_WIDE_INT.
11523 (attribute_hash_list, type_hash_canon): hashcode is now unsigned.
11524 (type_hash_lookup, type_hash_add, type_hash_list): Likewise.
11525 (min_precision): Result is unsigned.
11526 (add_double, neg_double, mul_double): Low word is unsigned.
11527 (lshift_double, rshift_double, lrotate_double): Likewise.
11528 (rrotate_double, div_and_round_double): Likewise.
11529 (tree_floor_log2, compare_tree_int): New functions.
11530 (preserve_rtl_expr_temps): New declaration.
11531 * c-common.c (declare_hidden_char_array): Use compare_tree_int.
11532 (decl_attributes): Use tree_log2 to find alignment.
11533 Check for TREE_INT_CST_HIGH for format args.
11534 (min_precision): Now unsigned.
11535 Use tree_floor_log2.
11536 (truthvalue_conversion): Delete long-disabled code.
11537 * c-decl.c (finish_struct): Clean up tests on field width.
11538 (finish_function): Use compare_tree_int.
11539 * c-pragma.c (handle_pragma_token): Use tree_log2 for alignment.
11540 * c-typeck.c (comptypes): Use tree_int_cst_equal.
11541 (default_conversion, digest_init): Use compare_tree_int.
11542 (build_binary_op): Use integer_all_onesp and compare_tree_int.
11543 Fix type errors in forming masks.
11544 * calls.c (initialize_argument_information): Use compare_tree_int.
11545 * dbxout.c (dbxout_type): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
11546 * except.c (expand_eh_region_start_tree): Use compare_tree_int.
11547 * expr.c (is_zeros_p, case INTEGER_CST): Use integer_zerop.
11548 (store_field): Use compare_tree_int.
11549 (expand_expr, case CONSTRUCTOR): Use TYPE_SIZE_UNIT.
11550 (expand_expr, case ARRAY_REF): Use compare_tree_int.
11551 (do_jump, case BIT_AND_EXPR): Use tree_floor_log2.
11552 (do_store_flag): Use compare_tree_int.
11553 * fold-const.c (encode, decode): Low part is always unsigned.
11554 (force_fit_type, add_double, neg_double, mul_double): Likewise.
11555 (lshift_double, rshift_double, lrotate_double): Likewise.
11556 (rrotate_double, div_and_round_double, int_const_binop): Likewise.
11557 (fold_convert): Use compare_tree_int.
11558 (operand_equal_p, case INTEGER_CST): Use tree_int_cst_equal.
11559 (invert_truthvalue, case INTEGER_CST): Likewise.
11560 (fold): Use compare_tree_int; add casts for unsigned TREE_INT_CST_LOW.
11561 * mkdeps.c (deps_dummy_targets): Make I unsigned.
11562 * rtl.h (add_double, neg_double, mul_double): Low words are unsigned.
11563 (lshift_double, rshift_double, lrotate_double, rrotate_double):
11565 * stmt.c (expand_decl): Use compare_tree_int and mode_for_size_tree.
11566 (expand_end_case): Use compare_tree_int.
11567 (estimate_case_costs): Cast TREE_INT_CST_LOW to HOST_WIDE_INT.
11568 * stor-layout.c (mode_for_size_tree): Use compare_tree_int.
11569 (layout_decl): Likewise.
11570 (layout_record, layout_union): Make sizes unsigned.
11571 (layout_type, case VOID_TYPE): TYPE_SIZE must be bitsizetype.
11572 (layout_type, case QUAL_UNION_TYPE): Use compare_tree_int.
11573 * tree.c (struct type_hash): hashcode is unsigned.
11574 (build_type_attribute_variant, type_hash_list): Likewise.
11575 (type_hash_lookup, type_hash_add, type_hash_canon): Likewise.
11576 (attribute_hash_list, build_array_type, build_method_type): Likewise.
11577 (build_complex_type): Likewise.
11578 (real_value_from_int_cst): Remove unneeded casts.
11579 (integer_all_onesp): Add casts.
11580 (tree_floor_log2, compare_tree_int): New functions.
11581 (build_index_type): Use tree_int_cst_sgn.
11582 * varasm.c (assemble_variable): Use compare_tree_int.
11584 2000-03-06 Jason Merrill <jason@casey.cygnus.com>
11586 * cpphash.c (collect_expansion): Also catch ## at start of macro.
11588 * varasm.c (make_decl_rtl): Don't add a number to members of
11590 (make_function_rtl): Likewise.
11592 2000-03-06 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
11594 * gcse.c (compute_can_copy): Adjust if/else blocks from rth's
11595 patch from 2000-01-28.
11597 2000-03-06 Clinton Popetz <cpopetz@cygnus.com>
11599 * config/sh/sh.c: (barrier_align): Handle a delay slot that is
11600 filled with an insn from the jump target.
11602 2000-03-07 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11604 * config/c4x/c4x-protos.h (c4x_global_name): Constify char *.
11605 (c4x_external_ref): Likewise.
11606 * config/c4x/c4x.c (struct name_list): Likewise.
11608 1999-12-16 Ben Collins <bcollins@debian.org>
11610 * Makefile.in: Pass a new MULTILIB_EXCLUSIONS option as the sixth
11611 argument to genmultilib.
11612 * genmultilib: accept new MULTILIB_EXCLUSIONS option and output
11613 the contents into the multilib.h header.
11614 * gcc.c: Declare multilib_exclusions for the specs file.
11615 (set_multilib_dir): Use it.
11616 (print_multilib_info): Likewise.
11617 * t-linux64: Declare arguments for new MULTILIB_EXCLUSIONS option
11618 to pass to genmultilib.
11620 2000-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11622 * builtins.c (built_in_class_names, built_in_names): Constify a
11625 * gmon-sol2.c (monstartup, moncontrol): Cast ptrs to long, not
11627 (_mcleanup): Ensure value matches format specifier in sprintf.
11629 * cpphash.c (special_symbol): Don't needlessly cast away
11632 * cppinit.c (base_name): Delete unused prototype.
11634 * mkdeps.c (deps_init): Make definition K&R safe.
11636 * tree.h (built_in_class_names, built_in_names): Constify a
11639 2000-03-06 Jakub Jelinek <jakub@redhat.com>
11641 * config/sparc/sparc.c (eligible_for_epilogue_delay): Accept
11642 floating point instructions for epilogue delay.
11644 * config/sparc/sparc.h (ASM_ARCH64_SPEC): Pass -no-undeclared-regs
11645 to gas if it supports .register pseudo.
11647 * real.h (MAX_LONG_DOUBLE_TYPE_SIZE): Define to
11648 LONG_DOUBLE_TYPE_SIZE if not defined.
11649 Use MAX_LONG_DOUBLE_TYPE_SIZE instead of
11650 LONG_DOUBLE_TYPE_SIZE in preprocessor if clauses.
11651 * real.c: Likewise.
11652 * gengenrtl.c: Likewise.
11653 * print-rtl.c: Likewise.
11655 * config/sparc/sol2-sld-64.h (TARGET_DEFAULT): Set
11656 MASK_LONG_DOUBLE_128.
11657 * config/sparc/sol2.h (TARGET_DEFAULT): Likewise.
11658 * config/sparc/sp64-elf.h (TARGET_DEFAULT): Likewise.
11659 * config/sparc/linux64 (TARGET_DEFAULT): Likewise.
11660 (SUBTARGET_SWITCHES): Define.
11661 (CPP_ARCH32_SPEC): Define __LONG_DOUBLE_128__ if compiling
11662 with -mlong-double-128.
11663 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
11664 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
11665 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
11666 (CC1_SPEC): Include -mlong-double-{64,128} as needed.
11667 * config/sparc/linux.h (SUBTARGET_SWITCHES): Define.
11668 (CPP_SUBTARGET_SPEC): Define __LONG_DOUBLE_128__ if compiling
11669 with -mlong-double-128.
11670 (LONG_DOUBLE_TYPE_SIZE): Define depending on target_flags.
11671 (MAX_LONG_DOUBLE_TYPE_SIZE): Define.
11672 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Define depending on CPP macros.
11673 * config/sparc/sparc.h (MASK_LONG_DOUBLE_128,
11674 TARGET_LONG_DOUBLE_128): Define.
11675 * config/sparc/linux-aout.h (LONG_DOUBLE_TYPE_SIZE): Remove.
11676 * config/sparc/sparc.c (sparc_override_options): Disallow 64bit
11677 long double on TARGET_ARCH64.
11679 2000-03-06 Mark Mitchell <mark@codesourcery.com>
11681 * function.c (free_temps_for_rtl_expr): Don't free slots
11682 that have been pushed into a higher level.
11685 2000-03-05 Mark Mitchell <mark@codesourcery.com>
11687 2000-03-05 Mark Mitchell <mark@codesourcery.com>
11689 * basic-block.h (ALLOCA_REG_SET): Remove.
11690 (INITIALIZE_REG_SET): New macro.
11691 * flow.c (update_life_info): Use it.
11692 (calculate_global_regs_live): Likewise.
11693 (propagate_block): Likewise.
11694 * global.c (build_insn_chain): Likewise.
11695 * haifa-sched.c (schedule_region): Likewise.
11697 2000-03-05 Stephane Carrez <stcarrez@worldnet.fr>
11699 * dwarf2out.c (UNALIGNED_WORD_ASM_OP): Support 2 bytes pointer.
11700 (ASM_OUTPUT_DWARF_ADDR_CONST): Use UNALIGNED_WORD_ASM_OP.
11701 (DWARF_ARANGES_PAD_SIZE): New define.
11702 (output_aranges): Use it to pad the address range header.
11703 (DWARF_ROUND): Fix for non power of 2 rounding.
11705 2000-03-05 Jason Merrill <jason@casey.cygnus.com>
11707 * mkdeps.c (deps_calc_target): Remove incorrect 'const'.
11709 2000-03-05 Mark Mitchell <mark@codesourcery.com>
11711 * tree.def (RTL_EXPR): Update documentation.
11712 * tree.h (RTL_EXPR_HAS_NO_SCOPE): New macro.
11713 * expr.c (expand_expr): Handle RTL_EXPR_HAS_NO_SCOPE.
11714 * function.c (preserve_rtl_expr_temp): New function.
11715 (preserve_rtl_expr_temps): Likewise.
11716 (preserve_rtl_expr_result): Use it.
11719 2000-03-04 Mark Mitchell <mark@codesourcery.com>
11721 2000-03-04 Thomas Schuster <Thomas.Schuster@gmx.net>
11723 * regmove.c (copy_src_to_dest) Do not create src->dest move
11724 for unchanging destination.
11726 2000-03-04 Mark Mitchell <mark@codesourcery.com>
11728 * function.h (struct sequence_stack): Remove rtl_expr.
11729 (struct emit_staus): Likewise.
11730 (seq_rtl_expr): Remove.
11731 * tree.h (free_temps_for_rtl_expr): Don't declare.
11732 (start_sequence_for_rtl_expr): Likewise.
11733 * rtl.h (preserve_rtl_expr_result): Likewise.
11734 * emit-rtl.c (start_sequence): Don't set sequence_rtl_expr.
11735 (start_sequence_for_rtl_expr): Remove.
11736 (push_topmost_sequence): Don't save sequence_rtl_expr.
11737 (pop_topmost_sequence): Remove comment about not restoring it.
11738 (end_sequence): Don't set seq_rtl_expr.
11739 (init_emit): Don't initialize it.
11740 (mark_sequence_stack): Don't mark it.
11741 (mark_emit_status): Likewise.
11742 * except.c (protect_with_terminate): Use
11743 start_sequence_for_rtl_expr, not start_sequence.
11744 * expr.c (expand_expr, case RTL_EXPR): Don't call
11745 preserve_rtl_expr_result or free_temps_for_rtl_expr.
11746 * function.c (assign_stack_temp_for_type): Don't set rtl_expr.
11747 (preserve_rtl_expr_result): Remove.
11748 (free_temps_for_rtl_expr): Likewise.
11749 (pop_temp_slots): Likewise.
11750 (mark_temp_slot): Don't mark the rtl_expr.
11751 * stmt.c (expand_start_stmt_expr): Use start_sequence, not
11752 start_sequence_for_rtl_expr.
11754 2000-03-04 Zack Weinberg <zack@wolery.cumb.org>
11756 * mkdeps.c, mkdeps.h: New files.
11757 * po/POTFILES.in: Add them.
11758 * Makefile.in (LIBCPP_OBJS): Add mkdeps.o.
11759 (cpplib.o, cppinit.o): Depend on mkdeps.h.
11760 (mkdeps.o): New target.
11762 * cppfiles.c: Delete deps_output.
11763 * cppinit.c: Include mkdeps.h. Delete known_suffixes,
11764 OBJECT_SUFFIX, and base_name.
11765 (cpp_cleanup): Use deps_free. Free ihash->name when clearing
11767 (initialize_dependency_output): Use deps_init,
11768 deps_add_target, deps_calc_target, and deps_add_dep. Remove
11769 all the unnecessary string bashing.
11770 (cpp_finish): Use deps_write. Remove an unnecessary nesting
11772 * cpplib.c (do_include): Use deps_add_dep.
11773 * cpplib.h (struct cpp_reader): Replace deps_buffer,
11774 deps_allocated_size, deps_size, deps_column members with
11775 single pointer to a struct deps. Delete prototype of
11778 * cppinit.c: Fix thinko in previous patch.
11780 Sat Mar 4 11:32:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11782 * machmode.h (mode_for_size, smallest_mode_for_size): SIZE now signed.
11783 * stor-layout.c (mode_for_size, smallest_mode_for_size): Likewise.
11784 (mode_for_size_tree): New function.
11785 (layout_decl, layout_type): Call it and clean up BLKmode checks.
11786 * tree.h (mode_for_size_tree): New declaration.
11788 * toplev.c (debug_ignore_block): Mark arg BLOCK as possibly unused.
11790 2000-03-04 Jason Merrill <jason@casey.cygnus.com>
11792 * stmt.c (is_body_block): Move...
11793 * dwarfout.c, dwarf2out.c: ...from here.
11794 * tree.h: Declare it.
11795 * emit-rtl.c (remove_unncessary_notes): Don't remove the body block.
11796 * final.c (final_start_function): Do call remove_unnecessary_notes
11799 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
11801 * config/vax/xm-vms.h: Define OBJECT_SUFFIX and EXECUTABLE_SUFFIX.
11803 * cpplib.h (_dollar_ok): New macro.
11804 (is_idchar, is_idstart): Use it.
11805 (IStable): Rename to _cpp_IStable. Declare it const if
11806 gcc >=2.7 or C99. Delete all references to FAKE_CONST.
11807 (is_idchar, is_idstart, is_numchar, is_numstart, is_hspace,
11808 is_space): Update for renamed IStable.
11810 * cppinit.c: Delete all references to FAKE_CONST and CAT
11811 macros. Define init_IStable as empty macro if gcc >=2.7 or
11812 C99. Change TABLE() to ISTABLE and hardcode name of table.
11813 (cpp_start_read): Don't change the IStable based on
11816 * cpphash.c (unsafe_chars): Add pfile argument. All callers
11817 changed. Handle '$' for char1 correctly.
11818 * cpplib.c (cpp_get_token): Use is_numchar when parsing numbers.
11820 * cppexp.c (tokentab2): Make const.
11821 (cpp_lex): Make toktab const.
11822 * cppinit.c (include_defaults_array): Make const.
11823 (initialize_standard_includes): Make default_include const.
11825 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
11827 * dwarf2out.c (dwarf2out_frame_debug): Add cast to silence warning.
11828 (dwarf2out_decl): Functions can now have DECL_IGNORED_P.
11829 (gen_decl_die): Likewise.
11830 * dwarfout.c (dwarfout_file_scope_decl): Likewise.
11831 (output_decl): Likewise.
11833 * varasm.c (make_function_rtl): If we change the name used in the
11834 rtl, update DECL_ASSEMBLER_NAME accordingly.
11835 (make_decl_rtl): Likewise.
11837 * toplev.c (rest_of_compilation): Tweak formatting.
11839 * toplev.c (rest_of_compilation): find_loop_tree_blocks before
11840 remove_unnecessary_notes.
11841 (debug_ignore_block): New fn.
11842 * toplev.h: Declare it.
11843 * emit-rtl.c (remove_unncessary_notes): Call it.
11844 * dwarf2out.c (dwarf2out_ignore_block): New fn.
11845 * dwarf2out.h: Declare it.
11846 * final.c (final_start_function): Don't call remove_unnecessary_notes
11847 if we did insn scheduling.
11849 2000-03-03 Zack Weinberg <zack@wolery.cumb.org>
11851 * cppinit.c (cpp_handle_option): Set opts->pedantic directly.
11852 * cpplib.h: Delete SET_CPP_PEDANTIC.
11854 Fri Mar 3 14:56:12 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11856 * expr.c (expand_expr, case COMPONENT_REF): Use bitfield case if
11857 result is a RECORD_TYPE.
11859 2000-03-03 Jonathan Larmour <jlarmour@cygnus.co.uk>
11861 * mips/elf.h (CTOR_LISTS_DEFINED_EXTERNALLY): Added.
11863 2000-03-03 Richard Henderson <rth@cygnus.com>
11865 * alpha.c (alpha_emit_set_const_1): Re-order cases to prefer
11866 addition over compliments over shifts.
11868 Fri Mar 3 12:49:28 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
11870 * reload1.c (reload_combine_note_use): Handle return register USEs.
11871 REG case: Handle multi-hard-register hard regs.
11873 Fri Mar 3 07:38:34 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11875 * md.texi: Document use of '*' in insn pattern name.
11877 2000-03-03 Jason Merrill <jason@casey.cygnus.com>
11879 * calls.c (special_function_p): operator new may not be malloc-like.
11881 * gcse.c (dump_hash_table): Really fix error in last change.
11883 2000-03-02 Denis Chertykov <denisc@overta.ru>
11885 * avr.c (print_operand): Use print_operand_address instead of
11887 * avr/libgcc.S: Cleanup code.
11889 2000-03-02 Richard Henderson <rth@cygnus.com>
11891 * alpha.c (alpha_emit_set_const_1): Also try c + small constant.
11893 2000-03-02 Mark Mitchell <mark@codesourcery.com>
11895 * tree.h (TYPE_ALIGN_UNIT): New macro.
11897 2000-03-02 Clinton Popetz <cpopetz@cygnus.com>
11899 * i386.c: (constant_call_address_operand): Reject CONST_INT.
11901 2000-03-02 Jason Merrill <jason@casey.cygnus.com>
11903 * cpplib.h (CPP_PEDANTIC): Only true if system_header_p is not set
11905 (SET_CPP_PEDANTIC): New macro.
11906 * cpplib.c (do_include): Don't bother checking system_header_p.
11907 (do_warning, do_ident, do_assert, do_unassert): Likewise.
11908 * cppinit.c (cpp_handle_option): Use SET_CPP_PEDANTIC.
11910 * function.h (struct expr_status): Add x_arg_space_so_far.
11911 (arg_space_so_far): New macro.
11912 * expr.c (init_expr): Initialize it.
11913 * calls.c (emit_call_1): Reset it.
11914 (compute_argument_block_size, expand_call): Use it.
11915 (expand_call, store_one_arg): Increment it.
11917 Thu Mar 2 17:27:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11919 * varasm.c (output_constant): Strip off a CONVERT_EXPR to
11922 2000-03-02 Zack Weinberg <zack@wolery.cumb.org>
11924 * cppfiles.c (cpp_read_file): New function.
11926 * cpphash.c (collect_expansion): Make sure to reset last_token
11927 to NORM when we hit a string. Handle trailing whitespace
11928 properly when the expansion is empty.
11929 (create_definition): Disable line commands while parsing the
11931 (dump_definition): If pfile->lineno == 0, output a line
11932 command ahead of the dump, and add a trailing newline.
11934 * cppinit.c (append_include_chain): Add fifth argument, which
11935 indicates whether or not system headers are C++ aware.
11936 (initialize_standard_includes): New function,
11937 broken out of read_and_prescan. Pass 'cxx_aware' value from
11938 the include_defaults_array on to append_include_chain.
11939 (dump_special_to_buffer): Const-ify char array.
11940 (builtin_array): Don't dump __BASE_FILE__.
11941 (cpp_start_read): Use cpp_read_file. Reorder code for
11942 clarity. Don't output line commands here for -D/-A/-U
11943 switches. Don't call deps_output for files included with
11944 -include or -imacros.
11946 * cpplib.c (do_define): Don't pay any attention to the second
11948 (cpp_expand_to_buffer): Disable line commands while scanning.
11949 (output_line_command): Work in the file buffer.
11950 * cpplib.h: Remove no_record_file flag from struct cpp_reader.
11951 Fix formatting of comments. Prototype cpp_read_file.
11953 Thu Mar 2 13:29:46 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11955 * c-common.c (c_common_nodes_and_builtins): Make sizetype_endlink
11956 reference the language-equivalent of sizetype.
11957 * c-typeck.c (comptypes): Treat sizetype like its language equivalent.
11958 * fold-const.c (size_binop, size_diffop): Put back checks.
11959 * gcse.c (dump_hash_table): Fix minor error in last change.
11960 * stor-layout.c (set_sizetype): Set TYPE_DOMAIN of sizetype.
11961 Clear TYPE_{NEXT,MAIN}_VARIANT and TYPE_{POINTER,REFERENCE}_to of
11964 Thu Mar 2 12:48:45 MET 2000 Jan Hubicka <jh@suse.cz>
11966 * calls.c (expand_call) Do not attempt to combine stack adjustments
11967 with inhibit_defer_pop set.
11969 2000-03-01 Mark Mitchell <mark@codesourcery.com>
11971 * stor-layout.c (layout_decl): Allow front-ends to explicitly set
11972 the DECL_SIZE for a FIELD_DECL.
11974 2000-03-01 Bruce Korb <bkorb@gnu.org>
11976 * fixinc/inclhack.tpl: remove unused symlinks
11977 * fixinc/README: GCC Maintainer info
11978 * fixinc/inclhack.sh: regen
11979 * fixinc/fixincl.sh: regen
11981 2000-03-01 Zack Weinberg <zack@wolery.cumb.org>
11983 * cpphash.c (collect_expansion): Trim trailing white space
11984 from macro definitions, but don't go past the last insertion
11987 Wed Mar 1 12:14:31 MET 2000 Jan Hubicka <jh@suse.cz>
11989 * i386.md (mulqi3): New pattern.
11991 2000-02-29 Zack Weinberg <zack@wolery.cumb.org>
11993 * cpplib.h (CPP_ASSERTION, CPP_STRINGIZE, CPP_TOKPASTE): New
11995 (struct cpp_reader): Add parsing_if_directive and
11996 parsing_define_directive flags.
11997 (struct cpp_options): Remove output_conditionals flag.
11998 (check_macro_name): Delete prototype.
12000 * cpphash.h (struct macrodef): Delete.
12001 (struct reflist): Separate from struct definition.
12002 (struct definition): Remove unused fields. Add column number.
12003 (create_definition): Returns a DEFINITION *. Takes a
12004 cpp_reader * and an int.
12006 * cpphash.c (SKIP_WHITE_SPACE): Delete.
12007 (PEEKC): Copy defn from cpplib.c.
12008 (rest_extension, REST_EXTENSION_LENGTH): Delete.
12010 (struct arglist): Simplify.
12011 (collect_expansion): Rewrite. Get tokens by calling
12012 cpp_get_token. Add more error checking.
12013 (collect_formal_parameters): New function, broken out of
12014 create_definition and reworked to use get_directive_token.
12015 (create_definition): All real work is now in collect_expansion
12016 and collect_formal_parameters. do_define handles finding the
12017 macro name. Return a DEFINITION, not a MACRODEF.
12018 (macroexpand): Replace bcopy with memcpy throughout. Replace
12019 character-at-a-time copy loop with memcpy and pointer increments.
12020 (compare-defs): d1->argnames / d2->argnames might be null.
12022 * cpplib.c (copy_rest_of_line): Delete function.
12023 (skip_rest_of_line): Do all the work ourselves.
12024 (skip_string): New function.
12025 (parse_string): Use skip_string.
12026 (get_macro_name): New function.
12027 (check_macro_name): Delete.
12028 (copy_comment): Use CPP_RESERVE and CPP_PUTC_Q.
12029 (cpp_skip_hspace): Use CPP_BUMP_LINE.
12030 (handle_directive): ICE if we're called on a macro buffer.
12031 (do_define): Determine macro name and type (funlike/objlike)
12032 here. Expunge all uses of MACRODEF.
12033 (cpp_push_buffer): Set line_base to NULL.
12034 (do_undef, read_line_number): Don't worry about getting a POP token.
12035 (eval_if_expression): Set/reset parsing_if_directive around
12036 cpp_parse_expr. Don't clear only_seen_white.
12037 (skip_if_group): Remove output_conditionals logic. Use
12039 (cpp_get_token): Return ASSERTION, STRINGIZE, and TOKPASTE
12040 tokens under appropriate conditions.
12041 (cpp_unassert): Call do_unassert not do_assert. Oops.
12043 * cppexp.c (parse_defined): New function, break out of
12045 (cpp_lex): We now get CPP_ASSERTION tokens and can check them
12046 ourselves, with cpp_defined.
12047 * cppinit.c (cpp_handle_option, print_help): Delete -ifoutput.
12049 * gcc.dg/20000209-2.c: Turn off -pedantic-errors.
12050 * gcc.dg/strpaste-2.c: New.
12052 2000-02-29 Mark Mitchell <mark@codesourcery.com>
12054 * fold-const.c (size_binop): Don't asert inputs are the same and
12055 have TYPE_IS_SIZETYPE set.
12056 (size_diffop): Likewise.
12058 2000-02-29 Jason Merrill <jason@casey.cygnus.com>
12060 * dwarfout.c (output_block): Output abstract blocks even if they
12061 don't have TREE_ASM_WRITTEN set.
12063 * calls.c (emit_library_call): Check for null REG.
12065 2000-03-01 Martin von Loewis <loewis@informatik.hu-berlin.de>
12067 * c-decl.c (current_function_decl): Move to toplev.c.
12068 (init_decl_processing): Don't add current_function_decl as a ggc
12070 * dbxout.c (dbxout_symbol): Change return type to int.
12071 (dbxout_symbol_location, dbxout_syms): Likewise.
12072 (dbxout_block): Don't emit LBRAC/RBRAC pairs for blocks without
12073 any locals. Use current_function_func_begin_label if set.
12074 * dbxout.h (dbxout_symbol, dbxout_syms): Change return type.
12075 * dwarf2out.c (dwarf2out_begin_prologue): Set
12076 current_function_func_begin_label.
12077 * final.c (final_start_function): Reset it.
12078 * toplev.c (current_function_decl): Define it here.
12079 (current_function_func_begin_label): New variable.
12080 (main): Add both as ggc roots.
12081 * tree.h (current_function_func_begin_label): Declare.
12083 Tue Feb 29 14:07:04 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12085 * gcse.c: Cleanups throughout: mostly white-space, but also
12086 some minor rearrangement of code.
12088 Tue Feb 29 10:45:59 2000 Jeffrey A Law (law@cygnus.com)
12090 * calls.c (emit_library_call): Do not abort if FUNCTION_ARG
12091 returns a PARALLEL. Use emit_group_load and use_group_regs
12093 (emit_library_call_value): Similarly.
12095 * pa/t-pa: Use quadlib.c instead of quadlib.asm.
12096 * pa/quadlib.asm: Remove.
12097 * pa/quadlib.c: New file.
12099 * configure.in (hpux10, hpux11, PA32 mode): Use i128 float format.
12100 * configure: Rebuilt.
12102 2000-02-29 Philip Blundell <pb@futuretv.com>
12104 * config/arm/conix-elf.h: New file.
12105 * configure.in (arm*-*-conix*): New configuration.
12106 * configure: Regenerate.
12108 2000-02-28 Jason Merrill <jason@casey.cygnus.com>
12110 * dwarf2out.c (gen_block_die): Output abstract blocks even if they
12111 don't have TREE_ASM_WRITTEN set.
12113 Mon Feb 28 21:07:59 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12115 * Eliminate DECL_FIELD_SIZE.
12116 * builtins.c (built_in_class_names, built_in_names): New variables.
12117 * c-decl.c (finish_struct): Set specified size in DECL_SIZE.
12118 * expr.c (expand_expr, case COMPONENT_REF): Get field size from
12119 DECL_SIZE, not DECL_FIELD_SIZE.
12120 * print-tree.c (print_node): Remove code that prints extra blank
12121 lines in some cases.
12122 Properly handle inline and builtin function cases.
12123 * stor-layout.c (layout_decl): Get specified size from DEC_SIZE.
12124 * tree.h (built_in_class_named, built_in_names): New declarations.
12125 (union tree_decl): Rename internal unions to u1 and u2 and change
12126 some of their components.
12127 Add new field built_in_class.
12128 (DECL_ALIGN, DECL_INCOMING_RTL, DECL_SAVED_INSNS, DECL_FRAME_SIZE):
12129 Reflect above changes.
12130 (DECL_FUNCTION_CODE, DECL_BUILT_IN_CLASS): Likewise.
12131 (DECL_SET_FUNCTION_CODE, DECL_FIELD_SIZE): Deleted.
12132 * objc/objc-act.c (objc_copy_list): Use DECL_SIZE, not DECL_FIELD_SIZE.
12133 (encode_field_decl): Likewise; also remove obsolete test for bitfield.
12135 2000-02-28 Dmitri Makarov <dim@windriver.com>
12137 * extend.texi: Document ARM's support for long/short calls.
12139 * invoke.texi: Document ARM's -mlong-calls command line switch.
12141 * config/arm/arm-protos.h (arm_is_longcall_p): Add prototype.
12142 (arm_encode_call_attribute): Add prototype.
12143 (arm_set_default_type_attribute): Add prototype.
12144 (arm_strip_name_encoding): Add prototype.
12146 * config/arm/arm.c (arm_init_cumulative_args): replace
12147 initialisation og 'long_calls' field with initialisation of
12148 'call_cookie' field.
12149 (enum arm_pragma_enum): New enum.
12150 (arm_pragma_long_calls): New static variable.
12151 (arm_process_pragma): Also process "#pragma long_calls_off".
12152 (arm_valid_type_attribute_p): Accept short_call attribute.
12153 (arm_comp_type_attributes): Check long/short call attributes.
12154 (arm_encode_call_attribute): New function: Encode long_call
12155 or short_call attribute in function name.
12156 (arm_set_default_type_attributes): New function: Assign
12157 default attributes to newly defined type.
12158 (current_file_function_operand): New function: Return true if
12159 the symbol is a function which has already been compiled.
12160 (arm_is_longcall_p): New function: Return true if the
12161 indicated function should be called via a long call.
12162 (arm_get_strip_length): New function. Returns number of
12163 prefix characters to be stripped from a function's name.
12164 (arm_strip_name_encoding): New function. Strip prefix characters
12165 from a function's name.
12167 * config/arm/arm.h (CUMULATIVE_ARGS): Replace 'long_call' field
12168 with 'call_cookie'.
12169 (SHORT_CALL_FAG_CHAR): Define.
12170 (LONG_CALL_FAG_CHAR): Define.
12171 (ENCODED_SHORT_CALL_ATTR_P): Define.
12172 (ENCODED_LONG_CALL_ATTR_P): Define.
12173 (ARM_NAME_ENCODING_LENGTHS): Define.
12174 (STRIP_NAME_ENCODING): Define.
12175 (ASM_OUTPUT_LABELREF): Define, and use to strip name encoding.
12176 (ARM_ENCODE_CALL_TYPE): Define.
12177 (ENCODE_SECTION): Invoke ARM_ENCODE_CALL_TYPE.
12178 (ARM_DECLARE_FUNCTION_SIZE): Define.
12179 (SET_DEFAULT_TYPE_ATTRIBUTES): Define.
12181 * config/arm/arm.md (call): Call arm_is_longcall_p to decide
12182 if a long call is needed.
12183 (call_value): Ditto.
12184 (call_symbol): Ditto.
12186 * config/arm/elf.h (ASM_DECLARE_FUNCTION_SIZE): Add invocation of
12187 ARM_DECLARE_FUNCTION_SIZE.
12189 * config/arm/pe.h (ARM_PE_FLAG_CHAR): Define.
12190 (SUBTARGET_NAME_ENCODING_LENGTHS): Define.
12191 (ARM_STRIP_NAME_ENCODING): Undefine.
12192 (STRIP_NAME_ENCODING): Undefine.
12193 (ASM_OUTPUT_LABELREF): Use arm_strip_name_encoding.
12194 (ASM_DECLARE_FUNCTION_NAME): Ditto.
12195 (ASM_OUTPUT_COMMON): Ditto.
12196 (ASM_DECLARE_OBJECT_NAME): Ditto.
12198 * config/arm/pe.c (arm_dllexport_name_p): Check for
12200 (arm_dllimport_name_p): Ditto.
12201 (arm_mark_dllexport): Use ARM_PE_FLAG_CHAR.
12202 (arm_mark_dllimport): Ditto.
12204 Mon Feb 28 22:11:12 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12206 * sh.h (DWARF_LINE_MIN_INSTR_LENGTH): Define.
12208 2000-02-28 Mark Mitchell <mark@codesourcery.com>
12210 * xcoffout.c (xcoffout_begin_function): Fix typo in previous change.
12212 2000-02-28 Zack Weinberg <zack@wolery.cumb.org>
12214 * tm.texi: Document new target switch, NO_BUILTIN_WCHAR_TYPE.
12215 * cppinit.c (builtin_array): Define __WCHAR_TYPE__ only if
12216 NO_BUILTIN_WCHAR_TYPE is not defined.
12217 (CPP_WCHAR_TYPE): Delete.
12218 * cccp.c (main): Don't change wchar_type if cplusplus.
12219 (special_symbol, initialize_builtins): Honor NO_BUILTIN_WCHAR_TYPE.
12221 2000-02-28 Nick Clifton <nickc@cygnus.com>
12223 * config/arm/arm-wince-pe.h (SIZE_TYPE): Define to "unsigned long".
12225 Mon Feb 28 14:21:15 2000 Catherine Moore <clm@cygnus.com>
12227 * config/pa/som.h (MAKE_DECL_ONE_ONLY): Define.
12228 (ASM_WEAKEN_LABEL): Define.
12230 Mon Feb 28 13:07:19 MET 2000 Jan Hubicka <jh@suse.cz>
12232 * expr.c (store_constructor): Do not emit USE.
12233 * rtl.h (stupid_life_analysis): Remove.
12235 Mon Feb 28 07:03:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12237 * function.c (number_blocks): Reset next_block_index based on
12238 what debugging format is used, not what is defined.
12240 * lcm.c: Minor reformatting throughout.
12241 (reg_dies, reg_becomes_live): Properly handle multiple hard regs.
12243 * toplev.c (rest_of_compilation): Account for time in
12244 optimize_mode_switching.
12246 * jump.c (jump_optimize_1): Don't call delete_barrier_successors
12247 if only marking labels.
12249 Mon Feb 28 12:53:57 MET 2000 Jan Hubicka <jh@suse.cz>
12251 * calls.c (expand_call): Attempt to combine stack adjustments with
12252 pending stack adjustments.
12254 Mon Feb 28 11:34:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12256 * loop.c (reg_in_basic_block_p): Don't abort when falling through
12257 to the end of the function.
12259 2000-02-27 Mark Mitchell <mark@codesourcery.com>
12261 * emit-rtl.c (remove_unncessary_notes): Remove notes for empty
12263 * final.c (next_block_index): Remove.
12264 (max_block_depth): Likewise.
12265 (pending_blocks): Likewise.
12266 (init_final): Don't initialize them.
12267 (final_start_function): Don't set next_block_index. Set up
12269 (final_scan_insn): Use BLOCK_NUMBER, not next_block_index.
12270 * function.h (number_blocks): New function.
12271 * function.c (get_block_vector): New function.
12272 (identify_blocks): Use it.
12273 (reorder_blocks): Set NOTE_BLOCK.
12274 (number_blocks): New function.
12275 * tree.def (BLOCK): Add documentation for TREE_ASM_WRITTEN flag.
12276 * tree.h (BLOCK_NUMBER): New macro.
12277 (tree_block): Add block_num field.
12278 * dbxout.c (next_block_number): Remove.
12279 (dbxout_init): Don't set it.
12280 (dbxout_block): Only output blocks that have TREE_ASM_WRITTEN
12281 set. Use BLOCK_NUMBER, rather than next_block_num, to determine
12283 * toplev.c (rest_of_compilation): Always call
12284 find_loop_tree_blocks. Fix indentation.
12285 * dwarf2out.c (next_block_number): Remove.
12286 (gen_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
12287 to determine block numbers.
12288 (gen_inlined_subroutine_die): Likewise.
12289 (gen_block_die): Only output blocks that have TREE_ASM_WRITTEN set.
12290 (decls_for_scope): Don't increment next_block_number.
12291 * dwarfout.c (next_block_number): Remove.
12292 (output_lexical_block_die): Use BLOCK_NUMBER, not next_block_number,
12293 to determine block numbers.
12294 (output_inlined_subroutine_die): Likewise.
12295 (output_block): Only output blocks that have TREE_ASM_WRITTEN set.
12296 (output_decls_for_scope): Don't increment next_block_number.
12297 * sdbout.c (next_block_number): Remove.
12298 (sdbout_block): Use BLOCK_NUMBER.
12299 (sdbout_begin_block): Simplify.
12300 * xcoffout.c (next_block_number): Remove.
12301 (xcoffout_block): Use BLOCK_NUMBER, not next_block_number.
12302 (xcoffout_begin_block): Don't set next_block_number.
12303 (xcoffout_begin_function): Likewise. Use BLOCK_NUMBER, not
12306 Sun Feb 27 16:40:33 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12308 * builtins.c (c_strlen): Use size_diffop and return ssizetype value.
12309 (expand_builtin_strcpy): Pass correct type to size_binop.
12310 (expand_builtin_strcmp): Likewise.
12311 Clean up conditional structure.
12312 * c-decl.c (init_decl_processing): Don't call set_sizetype twice.
12313 (complete_array_type): Don't use size_binop for MAXINDEX.
12314 * c-typeck.c (c_sizeof): Use size_one_node and TYPE_SIZE_UNIT.
12315 (c_sizeof_nowarn, c_size_in_bytes): Likewise.
12316 (c_alignof): Use size_one_node.
12317 (build_unary_op): Pass arg of proper type to size_binop.
12318 (really_start_incremental_init, push_init_level): Use sizetype for
12319 constructor{,_bit,_unfilled}_index.
12320 (pop_init_label, output_init_element): Likewise.
12321 (output_pending_init_elements, process_init_element): Likewise.
12322 * calls.c (compute_argument_block_size): Field VAR is ssizetype.
12323 * expr.c (store_expr): Use size_int.
12324 (store_constructor): Use proper types for size_binop args.
12325 (get_inner_reference, expand_expr, case ARRAY_REF): Likewise.
12326 (expand_expr_unaligned): Likewise.
12327 (string_contant): Return object of sizetype.
12328 * expr.h (SUB_PARM_SIZE): Call size_diffop and pass proper types.
12329 (ARGS_SIZE_RTX): Call ARGS_SIZE_TREE.
12330 (ARGS_SIZE_TREE): Pass proper types to size_binop.
12331 * fold-const.c (int_const_binop): Refine when size_int is called.
12332 (fold_convert): Likewise.
12333 (size_int_wide): Rework to take KIND as arg, only take low order
12334 bits, handle new sizetype_tab datatype, and chain entries in
12336 (size_int_type_wide): New function.
12337 (size_binop): Validate types of arguments.
12338 (ssize_binop): Deleted.
12339 (size_diffop): New function.
12340 (extract_muldiv): Only fold division into multiplication for sizetypes.
12341 * function.c (assign_parms): Use size_diffop and make sure
12342 VAR field is of ssizetype; also pass proper type to size_binop.
12343 (locate_and_pad_parm, pad_to_arg_alignment): Likewise.
12344 (round_down): Deleted from here.
12345 * store-layout.c (sizetype_tab): Now an array.
12346 (sizetype_set, early_root_list): New variables.
12347 (variable_size): Use size_one_node.
12348 (round_up): Pass proper type to size_binop.
12349 (round_down): Moved to here and corrected as above.
12350 (layout_record): Pass proper arg types to size_binop.
12351 (layout_type): Likewise.
12352 If sizetype_set is zero, record the type just laid out.
12353 (make_unsigned_type): Don't call set_sizetype;
12354 (make_signed_type): Likewise; also, call fixup_signed_type.
12355 (initialize_sizetypes): New function.
12356 (set_sizetype): Make copy of types, set TYPE_IS_SIZETYPE, and
12357 set name of bitsizetype to "bit_size_type".
12358 Fix up type of sizes of all types made before call.
12359 * tm.texi (ROUND_TYPE_SIZE_UNIT): New macro.
12360 * tree.c (fix_sizetype): Deleted.
12361 (build_common_tree_nodes): Call initialize_sizetypes.
12362 (build_common_tree_nodes_2): Don't call fix_sizetype.
12363 * tree.h (TYPE_IS_SIZETYPE): New macro.
12364 (initialize_sizetype): New declaration.
12365 (enum size_type_kind): New type.
12366 (struct sizetype_tab): Deleted.
12367 (sizetype_tab): Now array; adjust sizetype macros.
12368 (size_diffop, size_int_type_wide): New functions.
12369 (size_int_wide): Change number of args and type; access macros changed.
12370 (ssize_int, sbitsize_int): New macros.
12371 * config/i960/i960.h (ROUND_TYPE_SIZE): Use size_int.
12372 (ROUND_TYPE_SIZE_UNIT): New macro.
12374 2000-02-27 Zack Weinberg <zack@wolery.cumb.org>
12376 * c-lex.c (putback_buffer): Make 'buffer' an unsigned char *.
12378 Sun Feb 27 07:44:17 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12380 * gcov-io.h (__fetch_long, __store_long, __read_long, __write_long):
12381 Mark as possibly unused.
12383 * cse.c (cse_insn): Delete dead code involving tablejump.
12384 Pass CODE_LABEL, not LABEL_REF to gen_jump and reset INSN_CODE.
12386 * Makefile.in (libcpp.a): Start by deleting it.
12388 2000-02-27 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12390 * cpplib.h (enum file_change_code): Added rename_file.
12391 * cpplib.c (do_line): If a filename is given, set file_change to
12393 (output_line_command): If file_change is rename_file, always
12394 output a # directive with the file name.
12396 * cpplib.c (do_pragma): Accept #pragma without consecutive token.
12398 2000-02-26 Mark Mitchell <mark@codesourcery.com>
12400 * integrate.c (copy_decl_for_inlining): Preserve TREE_ADDRESSABLE
12401 when copying a PARM_DECL or RESULT_DECL.
12403 2000-02-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12405 * fix-header.c (recognized_function): Also fix prototypes for
12406 functions taking "void".
12408 2000-02-26 Geoff Keating <geoffk@cygnus.com>
12410 * reload1.c (do_output_reload): Check reg_reloaded_valid before
12411 looking at reg_reloaded_contents.
12413 2000-02-26 Zack Weinberg <zack@wolery.cumb.org>
12415 * Makefile.in (STMP_FIXINC): New toggle.
12416 (LIBGCC2_DEPS): Delete all references.
12417 (stmp-headers): Delete target. All references either deleted
12418 or changed to stmp-int-headers.
12419 (all.cross): Don't depend on stmp-headers or STMP_FIXPROTO.
12420 (LIBCPP_OBJS): Take out cppalloc.o.
12421 (cppalloc.o): Delete target.
12422 (stmp-int-hdrs): Depend on $(STMP_FIXINC).
12423 (gen-protos, fix-header): Link with libiberty.a.
12424 * build-make: Don't change FIXINCLUDES. Override STMP_FIXINC
12427 * configure.in: Remove refs to strerror.
12428 * acconfig.h: Take out NEED_DECLARATION_STRERROR.
12429 * system.h: Take out strerror stanza.
12431 * cpperror.c (my_strerror): Delete function.
12432 (cpp_error_from_errno, cpp_notice_from_errno): Use xstrerror.
12433 * cppmain.c (main): Call xmalloc_set_program_name first thing.
12434 * cppalloc.c: Delete file.
12435 * gen-protos.c: Don't provide xrealloc.
12437 * fixinc/fixincl.c, fixinc/fixlib.c, fixinc/procopen.c: Use
12438 xstrerror throughout.
12440 2000-02-26 Bruce Korb <bkorb@gnu.org>
12442 * fixinc/inclhack.def (undefine_null): the bypass pattern needs to
12443 match for DOS headers, too.
12444 * fixinc/inclhack.sh,fixincl.x: Regenerate.
12446 2000-02-26 Geoff Keating <geoffk@cygnus.com>
12448 * config/elfos.h (ASM_OUTPUT_LABELREF): Don't define. The default
12449 is right for most ELF targets.
12450 * config/ns32k/ns32k.h (ASM_OUTPUT_LABELREF): Don't define.
12451 Let the default file use %U properly.
12452 * config/sh/elf.h (ASM_OUTPUT_LABELREF): Don't define. Use the
12455 * config/fp-bit.c (pack_d): Properly handle rounding of denormal
12458 Sat Feb 26 09:39:16 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12460 * toplev.c (documented_lang_options): Correct spelling error.
12461 (decode_d_option, decode_f_option, main): Likewise.
12463 * toplev.c (print_time): Avoid SIGFPE when all_time is zero.
12465 * config/alpha/alpha.h (ASM_OUTPUT_MI_THUNK): Use .set at
12466 to tell assembler it is permitted to expand large constants.
12468 2000-02-25 Mumit Khan <khan@xraylith.wisc.edu>
12470 * protoize.c: (AUX_INFO_SUFFIX): New macro.
12471 (aux_info_suffix): Use.
12472 (SAVE_SUFFIX): New macro.
12473 (save_suffix): Use.
12474 (munge_compile_parms): Fix typo in NUL. DJGPP supports /dev/null.
12475 (gen_aux_info_file): Use aux_info_suffix instead of ".X".
12476 (edit_file): Handle 8.3 restriction for DOS/DJGPP filenames.
12478 * invoke.texi (Running Protoize): Update documentation.
12480 2000-02-25 Mark Elbrecht <snowball3@bigfoot.com>
12482 * i386/djgpp.h (CPP_PREDEFINES): Remove Unix defines.
12484 2000-02-25 John Wehle (john@feith.com)
12486 * rtlanal.c (find_last_value): Allow NULL_RTX for valid_to.
12488 2000-02-25 Anthony Green <green@cygnus.com>
12490 * toplev.c (rest_of_compilation): Rebuild jump labels if
12491 combine_instructions has created a new direct jump.
12492 * combine.c (try_combine): Add new_direct_jump_p argument. Set it
12494 (combine_instructions): Call try_combine with new argument.
12495 Return non-null value when new direct jump instruction is created.
12496 * rtl.h: combine_instructions returns an int.
12498 Fri Feb 25 19:49:08 2000 Jeffrey A Law (law@cygnus.com)
12500 * cse.c (cse_insn): Replace the PATTERN of the insn with an new
12501 jump when changing a computed jump into a jump to a known
12504 Fri Feb 25 19:22:44 2000 Graham Stott <grahams@rcp.co.uk>
12506 * resource.c (mark_referenced_resources): Changed use SET_DEST (...)
12507 to XEXP (..., 0) on RTL nodes which are not SET or CLOBBER.
12509 * i386.md (define_expand "clrstrsi"): Fix typo.
12511 Fri Feb 25 18:49:39 2000 "K. Richard Pixley" <rich@microunity.com>
12513 * rtl.texi: Fix typo.
12515 Fri Feb 25 20:02:35 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12517 * sh.c (calc_live_regs): Multiply value assigned to *COUNT_PTR by
12518 UNITS_PER_WORD. Change caller initial_elimination_offset.
12519 (rounded_frame_size): Take into account that argument pushed has
12520 changed. Fix TARGET_ALIGN_DOUBLE problem.
12522 2000-02-25 Geoff Keating <geoffk@cygnus.com>
12524 * haifa-sched.c (schedule_block): Explain the real reason
12525 we delete REG_SAVE_NOTEs on the first insn of a block.
12526 Don't delete REG_SAVE_NOTES for NOTE_INSN_SETJMP.
12528 2000-02-24 Mark Mitchell <mark@codesourcery.com>
12530 * input.h (push_srcloc): New function.
12531 (pop_srcloc): Likewise.
12532 * toplev.c (push_srcloc): Define it.
12533 (pop_srcloc): Likewise.
12535 2000-02-24 Richard Henderson <rth@cygnus.com>
12537 * flow.c (life_analysis): When collecting reg info, clear
12540 Thu Feb 24 22:06:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12542 Fix bug exposed by reload.c no longer rounding the frame
12543 size to BIGGEST_ALIGNMENT:
12544 * sh.c (rounded_frame_size): New function.
12545 (sh_expand_prologue, sh_expand_epilogue): Use it.
12546 (initial_elimination_offset): Likewise.
12548 Thu Feb 24 20:04:11 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12550 Fix breakage from 6th Feb thread_prologue_and_epilogue_insns change:
12551 * sh-protos.h (sh_need_epilogue): Declare.
12552 * sh.c (sh_need_epilogue_known): New static variable.
12553 (sh_need_epilogue): New function.
12554 (function_epilogue): Clear need_epilogue_known.
12555 * sh.md (return): Split into expander / insn pattern.
12556 Make the expander conditional on ! sh_need_epilogue ().
12558 2000-02-24 Nathan Sidwell <nathan@codesourcery.com>
12560 * machmode.h (get_mode_alignment): Declare.
12561 (GET_MODE_ALIGNMENT): Call it.
12562 * stor-layout.c (get_mode_alignment): New function. Make
12563 sure alignment is always power of 2.
12565 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
12567 * i386.h: Remove useless definition of "I386" and misleading
12570 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
12572 * tree.h (TREE_SET_PERMANENT): New macro. Document conditions
12573 under which TREE_PERMANENT will be set.
12574 * tree.c (make_node, copy_node, make_tree_vec, tree_cons,
12575 build1): Use TREE_SET_PERMANENT.
12576 * print-tree.c (print_node): Don't report value of
12577 TREE_PERMANENT if ggc_p is true.
12579 * c-common.c (c_get_alias_set): Don't use TREE_PERMANENT to
12580 decide whether to give a type a new alias set.
12581 * objc/objc-act.c (build_objc_string_object): Never copy the string.
12582 * tree.c (make_node): Set DECL_IN_SYSTEM_HEADER irrespective
12583 of value of 'obstack'.
12586 2000-02-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12588 * config/c4x/c4x.c (c4x_process_after_reload): Split all insns.
12590 2000-02-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12592 * cpplib.h (enum cpp_token): Added CPP_WCHAR and CPP_WSTRING.
12593 * cpplib.c (cpp_get_token): Produce them.
12594 * cppexp.c (cpp_lex): Handle them.
12596 2000-02-23 Nick Clifton <nickc@cygnus.com>
12598 * config/arm/arm.c (arm_comp_type_attributes): Simply and
12599 comment tests on type attributes.
12601 Wed Feb 23 16:42:21 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12603 * final.c (shorten_branches): Make value passed to LOOP_ALIGN
12604 conform to documentation.
12605 * sh.h (LOOP_ALIGN): If aligning loops, call sh_loop_align
12606 to check for special cases.
12607 * sh-protos.h (sh_loop_align): Declare.
12608 * sh.c (sh_loop_align): Define.
12610 2000-02-22 Andrew Haley <aph@cygnus.com>
12612 * config/mips/mips.h (GAS_ASM_SPEC): Pass -mgp32/-mgp64 to gas.
12613 (SIZE_TYPE): Is 32 bits when using -mgp32.
12614 (PTRDIFF_TYPE): Ditto.
12616 Wed Feb 23 07:26:27 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12618 * diagnostic.c (init_output_buffer): Handle case of null PREFIX.
12620 2000-02-23 Zack Weinberg <zack@wolery.cumb.org>
12622 * config/i386/i386.h: If IN_TARGET_LIBS is defined, make
12623 BIGGEST_FIELD_ALIGNMENT a constant.
12625 2000-02-21 Jason Merrill <jason@casey.cygnus.com>
12627 * dwarf2out.c (output_line_info): Put the marker for the end of
12628 the line number info at the actual end.
12629 (gen_struct_or_union_type_die): Use decl_function_context
12630 to check for local classes.
12631 * dwarfout.c (output_type): Likewise.
12633 Tue Feb 22 01:38:57 2000 Jeffrey A Law (law@cygnus.com)
12635 * pa.h (FUNCTION_ARG_PASS_BY_REFERENCE): Handle pass-by-reference
12636 for arguments with a mode, but no type.
12637 (FUNCTION_ARG_CALLEE_COPIES): Similarly.
12638 * t-pa (LIB2FUNCS_EXTRA): Add quadlib.asm.
12639 * pa/long_double.h: New file.
12640 * configure.in (hpux10, hpux11 configurations): hpux10 and hpux11
12641 both have 128bit wide long doubles.
12642 * configure: Rebuilt.
12644 2000-02-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12646 * defaults.h (ASM_OUTPUT_ASCII): Constify a char*.
12648 * flow.c (get_common_dest, chain_reorder_blocks, make_reorder_chain,
12649 fixup_reorder_chain, skip_insns_between_block): Add static prototypes.
12650 (life_analysis): Wrap variable `i' with macro ELIMINABLE_REGS.
12652 * haifa-sched.c (rank_for_schedule): Don't cast away const-ness.
12654 * integrate.c (compare_blocks, find_block): Likewise.
12656 * rtl.c (fatal_with_file_and_line): Add ATTRIBUTE_PRINTF_2.
12658 * rtl.h (set_file_and_line_for_stmt): Constify a char*.
12660 * stmt.c (stmt_status, set_file_and_line_for_stmt,
12661 expand_asm_operands): Likewise.
12663 Mon Feb 21 17:06:27 2000 Jason Eckhardt <jle@cygnus.com>
12665 * predict.c (estimate_probability): Added the pointer heuristic to
12666 the collection of static branch predictors.
12668 2000-02-21 Catherine Moore <clm@cygnus.com>
12670 * config/mips/mips.h (ASM_SPEC): Add -mfix700.
12671 * invoke.texi (-mfix7000): Document.
12673 2000-02-21 Gabriel Dos Reis <gdr@codesourcery.com>
12675 * diagnostic.c (init_output_buffer): Make it possible to output at
12676 least 32 characters if we're given a too long prefix.
12678 2000-02-20 Mark Mitchell <mark@codesourcery.com>
12680 * varasm.c (initializer_constant_valid_p): Call
12681 lang_expand_constant to simplify the constant.
12683 2000-02-20 Bruce Korb <bkorb@gnu.org>
12685 * fixinc/inclhack.def(stdio_va_list):
12686 typedef needs to be disabled.
12687 * fixinc/inclhack.sh: regen
12688 * fixinc/fixincl.x: regen
12690 2000-02-20 Geoff Keating <geoffk@cygnus.com>
12692 * print-rtl.c (print_rtx): Don't print addresses when
12693 flag_dump_unnumbered.
12695 2000-02-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12697 * sparc.c (sparc_output_scratch_registers): Mark parameter with
12699 (sparc_va_arg, sparc_flat_output_function_prologue,
12700 sparc_flat_output_function_epilogue): Cast value to unsigned in
12702 (sparc_emit_float_lib_cmp): Remove unused variable `cmp'.
12704 * sparc.md: Add default case in switch.
12706 2000-02-19 Richard Henderson <rth@cygnus.com>
12708 * c-typeck.c (add_pending_init): Don't abort for multiple
12709 fields at the same offset.
12710 (pending_init_member): Test the correct member.
12712 2000-02-19 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
12714 * except.c (start_dynamic_handler) : Use TYPE_MODE (integer_type_node)
12716 (start_catch_handler) : Same.
12718 2000-02-19 Brad Lucier (lucier@math.purdue.edu)
12720 * Makefile.in: Have flow.o depend on $(EXPR_H)
12722 Sat Feb 19 18:43:13 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12724 * c-common.c (decl_attributes): Set DECL_SIZE_UNIT.
12725 * c-decl.c (duplicate_decls, finish_enum): Likewise.
12726 (finish_decl): Remove -Wlarger-than code from here.
12727 * flags.h (id_clash_len): Now int.
12728 (larger_than_size): Now HOST_WIDE_INT.
12729 * fold-const.c (size_int_wide): No more HIGH parm; NUMBER is signed.
12730 Clean up checking to see if in table.
12731 (make_bit_field_ref): Remove extra parm to bitsize_int.
12732 * ggc-common.c (ggc_mark_tree_children): Mark DECL_SIZE_UNIT.
12733 * print-tree.c (print_node): Print DECL_SIZE_UNIT and TYPE_SIZE_UNIT.
12734 * stmt.c (expand_decl): Use DECL_SIZE_UNIT for stack checking size
12735 and for computing size of decl.
12736 * stor-layout.c (layout_decl): Set DECL_SIZE_UNIT.
12737 Move -Wlarger-than code to here.
12738 (layout_record): Remove extra arg to bitsize_int.
12739 Set TYPE_BINFO_SIZE_UNIT.
12740 (layout_union): Remove extra arg to bitsize_int.
12741 Use proper type for size of QUAL_UNION.
12742 (layout_type): Remove extra arg to bitsize_int.
12743 * toplev.c (id_clash_len): Now int.
12744 (larger_than_size): Now HOST_WIDE_INT.
12745 (decode_W_option): Clean up id-clash and larger-than- cases.
12746 * tree.c (get_identifier, maybe_get_identifier): Remove unneeded casts.
12747 (expr_align, case FUNCTION_DECL): DECL_ALIGN is not defined.
12748 * tree.h (BINFO_SIZE_UNIT, TYPE_BINFO_SIZE_UNIT, DECL_SIZE_UNIT): New.
12749 (struct tree_decl): New field size_unit.
12750 (size_int_wide): No HIGH operand; NUMBER is now signed.
12751 (size_int_2): Deleted.
12752 (size_int, bitsize_int): Don't use it and rework args.
12753 * varasm.c (assemble_variable, output_constructor): Use DECL_SIZE_UNIT.
12755 Fri Feb 18 20:01:58 2000 Jeffrey A Law (law@cygnus.com)
12757 * pa/quadlib.asm (_U_QFgt, _U_Qfge): Fix flags for _U_Qfcmp call.
12759 2000-02-18 Geoff Keating <geoffk@cygnus.com>
12761 * invoke.texi (Warning Options): Add an explanation of why
12762 you might want the -Wfloat-equal flag.
12764 Fri Feb 18 20:08:57 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
12766 * bitmap.c (bitmap_operation): Avoid using -1 for index since unsigned.
12767 * cppinit.c (new_pending_define): Add cast to avoid warning.
12768 * expmed.c (extract_bit_field): Likewise.
12769 * flow.c (enum reorder_skip_type): New type.
12770 (skip_insns_between_blcok): New it.
12771 Rework to avoid warning about possibly undefined variable.
12772 * function.c (assign_parms): Make thisparm_boundary unsigned.
12773 * genrecog.c (write_switch): Cast XWINT result to int.
12774 * lcm.c: Many static fcns and vars now #ifdef OPTIMIZE_MODE_SWITCHING.
12775 * mips-tfile.c (init_file): Make two versions of FDR intializer:
12776 one for MIPS and one for Alpha.
12777 (get_tag, copy_object): Add casts to avoid warnings.
12778 * optabs.c (init_one_libfunc): Cast NAME to (char *).
12779 * reload.c (find_reloads): Make TYPE enum reload_type.
12780 * sbitmap.c (dump_sbitmap): J is unsigned; don't use "1L".
12781 * unroll.c (unroll_loop): Initialize UNROLL_NUMBER.
12782 * varasm.c (compare_constant_1): Add cast to avoid warning.
12783 * config/alpha/alpha.c (alpha_emit_xfloating_libcall): Cast FUNC
12785 (alpha_expand_unaligned_load, alpha_expand_unaligned_store):
12786 Cast switch operand of size to int.
12787 (alpha_expand_epilogue): Always initialize fp_offset and sa_reg.
12788 * config/alpha/alpha.h (INITIAL_ELIMINATION_OFFSET): Add abort
12791 2000-02-18 Nick Clifton <nickc@cygnus.com>
12793 * config/arm/elf.h (ASM_OUTPUT_ALIGN): Do not generate
12794 anything for an alignment of zero.
12796 * config/arm/thumb.h (ASM_OUTPUT_ALIGN): Do not generate
12797 anything for an alignment of zero.
12799 2000-02-18 Martin von Loewis <loewis@informatik.hu-berlin.de>
12801 * gcc.texi (Bug Reporting): Refer to bugs.html.
12802 (Bug Lists): Likewise.
12803 * system.h (GCCBUGURL): New preprocessor define.
12804 * rtl.c (fancy_abort): Use it.
12805 * gcc.c (main): Likewise.
12807 2000-02-18 Richard Henderson <rth@cygnus.com>
12809 * flow.c (INSN_VOLATILE, SET_INSN_VOLATILE, uid_volatile): Remove.
12810 (life_analysis_1): Subsume into ...
12811 (life_analysis): ... here. Force PROP_REG_INFO off after reload.
12812 Use update_life_info for the relaxation.
12813 (update_life_info): Update REG_BASIC_BLOCK for registers live on
12814 entry and regs_live_at_setjmp.
12815 (set_noop_p): Simplify.
12816 (notice_stack_pointer_modification_1): Renamed from s/_1//.
12817 (record_volatile_insns): Split into ...
12818 (delete_noop_moves): ... here,
12819 (notice_stack_pointer_modification): ... here,
12820 (insn_dead_p): ... and here.
12821 (propagate_block): Don't query INSN_VOLATILE.
12822 (mark_used_regs): Mind !PROP_REG_INFO.
12823 * toplev.c (rest_of_compilation): Call mark_constant_function here,
12824 not in life_analysis.
12826 Fri Feb 18 01:29:22 EST 2000 John Wehle (john@feith.com)
12828 * loop.c (canonicalize_condition): New function,
12829 broken out of get_condition.
12830 (get_condition): Use it.
12831 * expr.h (canonicalize_condition): Prototype it.
12833 * tree.h (tree_int_cst_msb): Declare.
12834 * tree.c (tree_int_cst_msb): New function.
12836 2000-02-17 Mark Mitchell <mark@codesourcery.com>
12838 * stmt.c (set_file_and_line_for_stmt): Don't crash if cfun->stmt
12841 * invoke.texi (-fmessage-length=n): Document.
12843 2000-02-17 Jason Merrill <jason@casey.cygnus.com>
12845 * bitmap.c (bitmap_operation): Don't leak bitmap elements.
12847 2000-02-17 Mark Mitchell <mark@codesourcery.com>
12849 * function.c (thread_prologue_and_epilogue_insns): Put a line note
12850 after the prologue.
12852 2000-02-17 Nick Clifton <nickc@cygnus.com>
12854 * config/arm/thumb.c: Replace includes of system headers with
12855 #include "system.h".
12857 2000-02-16 Richard Henderson <rth@cygnus.com>
12859 * configure.in (alpha-linux*, alpha-netbsd) [extra_parts]:
12860 Add crtbeginS.o and crtendS.o.
12861 * alpha/elf.h (STARTFILE_SPEC): Use crtbeginS.o.
12862 (ENDFILE_SPEC): Use crtendS.o.
12863 * alpha/t-crtbe (crtbeginS.o, crtendS.o): New targets.
12865 * alpha/crtbegin.asm (__do_frame_takedown): Merge into ...
12866 (__do_global_dtors_aux): ... here. Call __cxa_finalize if
12867 shared and present.
12868 (__dso_handle): New variable.
12869 * alpha/crtend.asm (__do_global_ctors_aux): Remove runtime
12870 bias to __CTOR_END__.
12872 2000-02-16 Richard Henderson <rth@cygnus.com>
12874 * Makefile.in (s-crtS, crtbeginS, crtendS): Prefix usage with $(T).
12876 Wed Feb 16 21:40:04 2000 Hans-Peter Nilsson <hp@bitrange.com>
12878 * longlong.h (__clz_tab): Declare as static to match definition.
12880 2000-02-16 Mark Elbrecht <snowball3@bigfoot.com>
12882 * i386/xm-djgpp.h (LIBSTDCXX): Delete. Moved to config/i386/djgpp.h.
12883 (XREF_FILE_NAME): Define.
12885 * i386/djgpp.h (DATA_SECTION_ASM_OP): Define.
12886 (EH_FRAME_SECTION_ASM_OP): Define.
12887 (IDENT_ASM_OP): Define.
12888 (TEXT_SECTION_ASM_OP): Define.
12889 (CPP_SPEC): Define.
12890 (CTORS_SECTION_ASM_OP): Define.
12891 (CTOR_SECTION_FUNCTION): Use it.
12892 (DTORS_SECTION_ASM_OP): Define.
12893 (DTOR_SECTION_FUNCTION): Use it.
12895 2000-02-16 Zack Weinberg <zack@wolery.cumb.org>
12897 * reg-stack.c (emit_swap_insn): Do not put a new insn before a
12900 * flow.c (dump_regset, debug_regset, dump_bb, debug_bb,
12901 debug_bb_n): New functions.
12902 (dump_flow_info, print_rtl_with_bb): Use dump_regset.
12903 * basic-block.h: Prototype new functions.
12905 Wed Feb 16 21:07:53 2000 Denis Chertykov <denisc@overta.ru>
12907 * configure.in: Add support for avr target.
12908 * configure: Rebuilt.
12910 * invoke.texi: Add AVR invocation docs.
12911 * install.texi: Add information about AVR.
12912 * md.texi: Add AVR constraint letters description.
12913 * extend.texi: Add description for AVR specific attributes.
12915 2000-02-16 Jason Merrill <jason@casey.cygnus.com>
12917 * fixinc/fixinc.svr4: Wrap byteorder.h with extern "C".
12919 2000-02-16 Nick Clifton <nickc@cygnus.com>
12921 * emit-rtl.c (emit_insn): Move RTL check into make_insn_raw.
12922 (make_insn_raw): Move RTL check here.
12924 2000-02-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12926 * version.c: Include gansidecl.h and version.h.
12928 * version.h: Wrap entire file in macro __GCC_VERSION_H__.
12930 * configure.in (gcc_version): When setting, narrow search to
12931 lines containing `version_string'.
12933 * Makefile.in (mainversion): Likewise.
12934 (GCC_H): New variable.
12935 (gcc.h): Delete target.
12936 (gcc.o, gccspec.o, cppspec.o): Depend on $(GCC_H), not gcc.h.
12937 (version.o): Depend on version.h.
12938 (dbxout.o): Don't depend on gcc.h.
12940 Wed Feb 16 15:04:49 2000 Hans-Peter Nilsson <hp@bitrange.com>
12941 Michael Meissner <meissner@cygnus.com>
12943 * md.texi (Simple Constraints): Add item about whitespace.
12944 * genoutput.c (strip_whitespace): New.
12945 (scan_operands) [MATCH_OPERAND, MATCH_SCRATCH]: Call
12946 strip_whitespace for constraints.
12947 Test pointer using NULL, not 0.
12949 2000-02-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
12951 * cpplib.c (do_line): Pedwarn for #line > 32767.
12953 * c-lex.c (readescape): Warn about '\x', but do not reject it.
12955 2000-02-15 Jonathan Larmour <jlarmour@redhat.co.uk>
12957 * gcc.c (default_compilers): Add new __GNUC_PATCHLEVEL__ define
12958 to default cpp spec.
12959 (do_spec_1): Add support for %v3 spec used by __GNUC_PATCHLEVEL__.
12960 * cpp.texi: Document __GNUC_PATCHLEVEL__.
12963 * objc/lang-specs.h: Add new __GNUC_PATCHLEVEL__ define to
12966 2000-02-15 Denis Chertykov <denisc@overta.ru>
12968 * configure.in: Add support for avr target.
12970 Wed Feb 16 03:21:43 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12972 * sh.h (OVERRIDE_OPTIONS): Don't set sh_addr_diff_vec_mode.
12973 (sh_addr_diff_vec_mode): Don't declare.
12974 * sh.c (sh_addr_diff_vec_mode): Delete.
12976 Wed Feb 16 01:27:52 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12978 * sh.md (mulsi3_highpart): Add REG_EQUAL note to last insn.
12980 Wed Feb 16 00:58:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
12982 * sh.md (udivsi3_i1, divsi3_i1, umulhisi3_i, mulhisi3_i): Name.
12983 (smulsi3_highpart_i): Name.
12984 (udivsi3): Wrap emitted insns in REG_LIBCALL / REG_RETVAL notes.
12985 (divsi3, mulhisi3, umulhisi3, mulsidi3, umulsidi3): Likewise.
12986 (smulsi3_highpart, umulsi3_highpart): Likewise.
12988 (mulsidi3_i, umulsidi3_i): Make rtl describe operation
12989 correctly independent of endianness.
12990 (mulsidi3, umulsidi3): Now define_insn. Hide details that
12991 confuse the optimizers.
12992 (mulsidi3+1, umulsidi3+1): New define_split.
12994 Tue Feb 15 23:22:26 2000 Andrew Haley <aph@cygnus.com>
12996 * config/sh/sh.md: Guard insn splits against illegal registers.
12997 * config/sh/sh.h: Correct comment about macros.
12999 Tue Feb 15 22:30:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
13000 Andrew MacLeod <amacleod@cygnus.com>
13002 * Makefile.in (lcm.o): Depend on insn-attr.h.
13003 * basic-block.h (optimize_mode_switching): Declare.
13004 * lcm.c (tm_p.h, insn-attr.h): #include.
13005 (seginfo, bb_info): New structs.
13006 (antic, transp, comp, delete, insert) : New file-scope static variables.
13007 (new_seginfo, add_seginfo, make_preds_opaque, reg_dies): New functions.
13008 (reg_becomes_live, optimize_mode_switching): Likewise.
13009 * tm.texi: Add description of mode switching macros.
13010 * toplev.c (rest_of_compilation): Call optimize_mode_switching.
13012 * sh-protos.h (remove_dead_before_cse): Remove prototype.
13013 (fldi_ok, fpscr_set_from_mem): New prototypes.
13014 * sh.h (OPTIMIZATION_OPTION): Remove sh_flag_remove_dead_before_cse set.
13015 (CONST_DOUBLE_OK_FOR_LETTER_P, SECONDARY_INPUT_RELOAD_CLASS):
13016 Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
13017 (sh_flag_remove_dead_before_cse): Remove declaration.
13018 (NUM_MODES_FOR_MODE_SWITCHING, OPTIMIZE_MODE_SWITCHING): New macros.
13019 (MODE_USES_IN_EXIT_BLOCK, MODE_NEEDED, MODE_AT_ENTRY): Likewise.
13020 (MODE_PRIORITY_TO_MODE, EMIT_MODE_SET): Likewise.
13021 * sh.c (broken_move): Disable fldi for (TARGET_SH4 && ! TARGET_FMOVD).
13022 (barrier_align): Allow for JUMP_INSNS containing a parallel.
13023 (machine_dependent_reorg): Remove sh_flag_remove_dead_before_cse set.
13024 (fldi_ok): New function.
13025 (get_fpscr_rtx): Add fpscr_rtx as GC root.
13026 (emit_sf_insn): Only generate fpu switches when optimize < 1.
13027 (emit_df_insn): Likewise.
13028 (expand_fp_branch, emit_fpscr_use, remove_dead_before_cse): Delete.
13029 (sh_flag_remove_dead_before_cse): Delete.
13030 (get_free_reg, fpscr_set_from_mem): New functions.
13031 * sh.md (movdf, movsf): Remove no_new_pseudos code.
13032 (return): Remove emit_fpscr_use / remove_dead_before_cse calls.
13034 2000-02-15 Loren Rittle <ljrittle@acm.org>
13036 * ginclude/stddef.h: Correct usage of _BSD_RUNE_T_ for FreeBSD.
13038 2000-02-15 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13040 * Makefile.in (TREE_H, collect2.o, gcc.h, mips-tfile.o, cccp.o,
13041 cpphash.o, cppinit.o, protoize.o, unprotoize.o): Depend on version.h.
13043 * cccp.c: Include version.h and/or don't declare `version_string'.
13044 * collect2.c: Likewise.
13045 * alpha.c: Likewise.
13046 * arm/aof.h: Likewise.
13047 * arm/coff.h: Likewise.
13048 * arm/elf.h: Likewise.
13049 * arm/pe.h: Likewise.
13050 * arm/tcoff.h: Likewise.
13051 * arm/telf.h: Likewise.
13052 * arm/tpe.h: Likewise.
13053 * arm/vxarm.h: Likewise.
13054 * convex/convex.c: Likewise.
13055 * i386/dgux.c: Likewise.
13056 * i386/sun386.h: Likewise.
13057 * m88k/m88k.c: Likewise.
13058 * mcore/mcore-pe.h: Likewise.
13059 * mips/mips.h: Likewise.
13060 * romp/romp.h: Likewise.
13061 * sh/sh.c: Likewise.
13062 * cpphash.c: Likewise.
13063 * cppinit.c: Likewise.
13064 * dwarf2out.c: Likewise.
13065 * dwarfout.c: Likewise.
13068 * mips-tfile.c: Likewise.
13069 * protoize.c: Likewise.
13070 * toplev.c: Likewise.
13071 * tree.h: Likewise.
13073 * version.c (version_string): Constify a char*.
13075 * version.h: New file.
13077 2000-02-14 Nick Clifton <nickc@cygnus.com>
13079 * configure.in: Add mcore-elf and mcore-pe targets.
13080 * configure: Regenerate.
13082 * NEWS: Add note that MCore port has been contributed.
13084 * invoke.texi: Document command line switches for MCore port.
13085 * install.texi: Add MCore to list of supported targets.
13087 2000-02-14 Geoff Keating <geoffk@cygnus.com>
13089 * collect2.c (main) [COLLECT_EXPORT_LIST]: If we have frames,
13090 then we will need to import the frame handling functions.
13091 (scan_prog_file) [COLLECT_EXPORT_LIST]: We will also need
13092 to import the frames themselves.
13094 Mon Feb 14 13:31:01 2000 Stan Cox <scox@cygnus.com>
13095 Jason Eckhardt <jle@cygnus.com>
13097 * basic_block.h: Added prototype for reorder_basic_blocks.
13098 * toplev.c: Changes to add -freorder-blocks and graph dump after
13099 block reordering is done.
13100 * flow.c (reorder_block_def): New structure for use during block
13102 (REORDER_BLOCK_*): New macros to access members of above structure.
13103 (skip_insns_between_block, get_common_dest, chain_reorder_blocks,
13104 make_reorder_chain, fixup_reorder_chain, reorder_basic_blocks): New
13105 functions for block reordering.
13107 Mon Feb 14 11:24:44 2000 Hans-Peter Nilsson <hp@bitrange.com>
13109 * gcc.texi (Passes): Fix typo.
13110 * md.texi (Standard Names): Ditto.
13111 * tm.texi (Storage Layout): Ditto.
13113 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
13115 * cpplib.c (do_define): Only free the old definition if it
13118 2000-02-13 Neil Booth <NeilB@earthling.net>
13120 * cppfiles.c (read_and_prescan): When emitting deferred
13121 newlines, test speccase[] again instead of checking each
13122 possible whitespace character in turn. When we encounter \r,
13123 look behind for \n first, then ahead.
13125 2000-02-13 Zack Weinberg <zack@wolery.cumb.org>
13127 * cse.c (cse_altered): New internal flag.
13128 (cse_insn): Set it if we changed an insn.
13129 (cse_main): Clear cse_altered before each basic block.
13130 Only garbage collect if cse_altered is true afterward.
13132 Sun Feb 13 14:12:28 2000 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
13134 * sparc/sol2.h (LIB_SPEC): Link -ldl if profiling.
13136 Sun Feb 13 13:21:55 2000 Jeffrey A Law (law@cygnus.com)
13138 * combine.c (simplify_comparison): Fix typo.
13140 Sun Feb 13 12:57:52 2000 Neil Booth <NeilB@earthling.net>
13142 * prefix.c (concat, lookup_key): Use xmalloc and xrealloc
13145 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13147 * flow.c (flow_loop_tree_node_add): Use better algorithm by passing
13148 previously inserted node instead of root node. Caller changed.
13150 2000-02-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13152 * basic-block.h (FLOW_LOOP_FIRST_BLOCK, FLOW_LOOP_LAST_BLOCK): Delete.
13154 2000-02-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13156 * crtstuff.c (__do_global_ctors_aux, __reg_frame_ctor,
13157 __dereg_frame_dtor): Add prototype argument.
13159 * gthr-dce.h (__gthread_active_p, __gthread_once): Likewise.
13161 * gthr-posix.h (__gthread_active_p, __gthread_once): Likewise.
13163 * gthr-solaris.h (__gthread_active_p, __gthread_once): Likewise.
13165 * gthr-vxworks.h (__gthread_once): Likewise.
13167 * gthr-win32.h (__gthread_active_p, __gthread_once): Likewise.
13169 Sat Feb 12 01:44:26 MET 2000 Jan Hubicka <jh@suse.cz>
13171 * i386.c (ix86_emit_restore_regs_using_mov): Break out from ...
13172 (ix86_expand_epilogue): ... here. Use mov instead of add to restore
13173 stack pointer in functions w/o saved registers, output LEAVE more often
13174 on TARGET_USE_LEAVE machines.
13176 2000-02-07 Dmitri Makarov <dim@wrs.com> & Bernd Schmidt <bernds@redhat.com>
13178 * config/arm/arm.c (arm_init_cumulative_args); New function:
13179 Initlaise the CUMULATIE_ARGS strcuture for a function
13181 (arm_function_arg): New function: Determine where to place a
13182 function's argument. Also handles deciding the function's
13184 (current_file_function_operand): New function: Return true if
13185 the symbol is a function which has already been compiled.
13186 (arm_is_long_call_p): New function: Return true if the
13187 indicated function should be called via a long call.
13188 (arm_valid_type_attribute_p): New function: Return true if the
13189 attribute is a valid, arm specific, attribute.
13190 (arm_comp_type_attribute): New function: Return true if the
13191 two types have compatable, arm specific, attributes.
13193 * config/arm/arm.h (CUMULATIVE_ARGS): Redefine to be a
13195 (FUNCTION_ARG): Redefine to call arm_function_arg.
13196 (FUNCTION_ARG_PARTIAL_NREGS): Redefine to use correct
13198 (INIT_CUMULATIVE_ARGS): Redefine to call
13199 arm_init_cumulative_args.
13200 (FUNCTION_ARG_ADVANCE): Redefine to use correct structure
13202 (SETUP_INCOMING_VARARGS): Redefine to use correct structure
13204 (ARM_MARK_NEARBY_FUNCTION): New macro: Mark already compiled
13206 (ENCODE_SECTION): Add call to ARM_MARK_NEARBY_FUNCTION.
13207 (VALID_MACHINE_TYPE_ATTRIBUTE): Define.
13208 (COMP_TYPE_ATTRIBUTES): Define.
13210 * config/arm/arm.md (call): Call arm_is_long_call_p to decide
13211 if a long call is needed.
13212 (call_value): Call arm_is_long_call_p to decide if a long call
13214 (call_symbol): Call arm_is_long_call_p to decide if a long call
13217 * config/arm/arm-protos.h: Add prototype for arm_is_long_call_p.
13219 2000-02-11 Denis Chertykov <denisc@overta.ru>
13221 * README.AVR: New file with information about the avr ports.
13222 * config/avr: New directory with avr port files.
13224 2000-02-11 Andreas Jaeger <aj@suse.de>
13226 * fixinc/Makefile.in (FIXINC_DEFS): Remove unneeded @fixinc_defs@.
13228 2000-02-11 Zack Weinberg <zack@wolery.cumb.org>
13230 * cpphash.c: Fix formatting, update commentary.
13231 (dump_definition): Take three separate arguments instead of a
13232 MACRODEF structure argument.
13233 * cpphash.h: Update prototype of dump_definition.
13234 * cppinit.c (cpp_finish): Update call of dump_definition.
13236 * cpplib.c (do_define): Always create new hash entry with
13237 T_MACRO type. Remove redundant check for redefinition of
13238 poisoned identifier. Update call of dump_definition.
13239 (do_undef): Don't call check_macro_name. Rename sym_length to
13241 (do_error, do_warning): Don't use copy_rest_of_line or
13243 (do_warning): Don't use pedwarn for the actual warning,
13244 only the notice about its not being in the standard. (Fixes
13245 bug with #warning in system headers.)
13246 (do_ident): Stricter argument checking - accept only a single
13247 string after #ident. Also, macro-expand the line.
13248 (do_xifdef): Use cpp_defined. De-obfuscate.
13250 (do_pragma): Split out specific pragma handling to separate
13251 functions. Use get_directive_token. Update commentary. Do
13252 not pass on #pragma once or #pragma poison to the front end.
13253 (do_pragma_once, do_pragma_implementation, do_pragma_poison,
13254 do_pragma_default): New.
13256 Feb 11 12:30:53 2000 Jeffrey A Law (law@cygnus.com)
13258 * jump.c (jump_optimize_1): The first operand in a relational
13259 can be a CONST_INT.
13260 * optabs.c (emit_conditional_move): Handle relationals which
13261 have a known true/false result.
13263 2000-02-11 Geoff Keating <geoffk@cygnus.com>
13265 * function.c (thread_prologue_and_epilogue_insns): Don't insert
13266 a RETURN insn into a block which already ends with a jump.
13268 2000-02-11 Geoff Keating <geoffk@cygnus.com>
13270 * haifa-sched.c (BUF_LEN): Increase a lot.
13272 2000-02-11 Nick Clifton <nickc@cygnus.com>
13274 * configure.in: Add tm_p_file specification for thumb targets.
13275 * configure: Regenerate.
13277 * config/arm/thumb-protos.h: New file: Prototypes for exported
13278 functions defined in thumb.c.
13280 2000-02-11 Robert Lipe <robertl@sco.com>
13282 * Makefile.in (bootstrap-lean): Remove additional files.
13283 (bootstrap2-lean): Likewise.
13284 (VOL_FILES): List of files for above.
13286 2000-02-11 Nathan Sidwell <nathan@acm.org>
13288 * cpphash.c (special_symbol): Remove spurious argument to
13291 2000-02-11 Joel Sherrill (joel@OARcorp.com>
13293 * configure.in: (i*86-*-rtems*): Swapped elf and coff
13295 * configure: Rebuilt.
13297 2000-02-11 Rodney Brown <RodneyBrown@pmsc.com>
13299 * pa-protos.h: Wrap function_arg_padding in TREE_CODE #ifdef.
13301 Fri Feb 11 02:59:05 2000 Jeffrey A Law (law@cygnus.com)
13303 * pa.c, pa.h: Remove trigraph sequences within comments.
13305 Fri Feb 11 02:51:56 2000 Pavel Roskin <pavel_roskin@geocities.com>
13307 * invoke.texi (PPC Options): -mno-new-mnenomics -> -mold-mnemonics.
13309 Fri Feb 11 02:48:30 2000 Brad Lucier (lucier@math.purdue.edu)
13311 * sbitmap.h: Make SBITMAP_ELT_BITS unsigned.
13313 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13315 * config/c4x/c4x.c (fp_zero_operand): Check for CONST_DOUBLE.
13317 2000-02-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13319 * config/c4x/c4x.h (ASM_GLOBALIZE_LABEL): Use c4x_global_label.
13320 (ASM_OUTPUT_EXTERNAL): Use c4x_external_ref.
13321 (ASM_OUTPUT_EXTERNAL_LIBCALL): Likewise.
13322 (ASM_FILE_END): Use c4x_file_end.
13323 * config/c4x/c4x.c (c4x_global_label): New function.
13324 (c4x_external_ref, c4x_file_end): Likewise.
13326 * config/c4x/c4x-protos.h (c4x_global_label): Add prototype.
13327 (c4x_external_ref, c4x_end_file): Likewise.
13329 2000-02-10 Zack Weinberg <zack@wolery.cumb.org>
13331 * cppexp.c: Don't include cpphash.h.
13332 (parse_charconst, cpp_lex): Use cpp_defined.
13333 (cpp_lex): Use get_directive_token throughout. Remove
13334 unnecessary cases from switch. Move assertion-handling code
13335 down to OTHER case.
13336 (cpp_parse_expr): If we see '+' or '-', check the context to
13337 determine if they are unary or binary operators. Streamline
13338 the jumps a bit. Do not call skip_rest_of_line.
13340 * cpplib.c: Make skip_rest_of_line and cpp_skip_hspace
13341 static. Export get_directive_token. Update commentary.
13342 (cpp_defined): New function.
13343 (do_define): Remove reference to T_PCSTRING. Call
13344 free_definition to release memory for old definition, when
13345 redefining a macro.
13346 (eval_if_expression): Set only_seen_white to 0 before calling
13347 cpp_parse_expr. Call skip_rest_of_line after it returns.
13348 (cpp_read_check_assertion): Don't preserve a pointer into the
13349 token buffer across a call to cpp_get_token.
13351 * Makefile.in (cppexp.o): Don't depend on cpphash.h.
13352 * cppfiles.c (redundant_include_p): Use cpp_defined.
13353 * cpphash.c (free_definition): New function.
13354 (delete_macro): Use it. Update commentary.
13355 * cpphash.h: Typedef HASHNODE here. Prototype cpp_lookup and
13357 * cpplib.h: Don't typedef HASHNODE here. Delete T_PCSTRING
13358 from enum node_type. Prototype cpp_defined and get_directive_token.
13359 Don't prototype cpp_lookup, skip_rest_of_line, or cpp_skip_hspace.
13361 * fix-header.c (check_macro_names): Use cpp_defined.
13362 (read_scan_file): Set inhibit_warnings and inhibit_errors in
13363 the options structure.
13365 2000-02-10 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13367 * c-pragma.c (maximum_field_alignment): Remove duplicate declaration.
13369 2000-02-10 Jason Merrill <jason@casey.cygnus.com>
13371 * dwarf2out.c (add_abstract_origin_attribute): Check TREE_CODE (origin)
13372 rather than die->die_tag.
13374 Thu Feb 10 16:26:49 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13376 * combine.c (make_extraction, force_to_mode): Avoid warning on
13377 mixed-signedness conditionals.
13378 (make_field_assignment, nonzero_bits): Likewise.
13379 * expmed.c (store_fixed_bit_field): ALIGN arg now unsigned.
13380 (store_split_bit_field, extract_split_bit_field): Likewise.
13381 (extract_fixed_bit_field, store_bit_field,
13382 * expr.c: Change alignment to be unsigned everywhere.
13383 (move_by_pieces, store_constructor_field, store_constructor):
13384 Alignment parm is unsigned.
13385 (emit_block_move, emit_group_load, emit_group_store): Likewise.
13386 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
13387 (do_compare_rtx_and_jump): Likewise.
13388 (move_by_pieces_ninsns, clear_by_pieces): Likewise.
13389 Compare align with GET_MODE_ALIGNMENT.
13390 (expand_expr_unaligned): Pointer to alignment is pointer to unsigned.
13391 (get_inner_reference): Likewise.
13392 (copy_blkmode_from_reg, emit_push_insn): Remove unneeded casts.
13393 (expand_assignment): Local vars for alignment now unsigned.
13394 (store_constructor, store_field, expand_expr, do_jump): Likewise.
13395 (do_compare_and_jump): Likewise.
13396 (store_field): Call new function expr_align.
13397 * expr.h (emit_block_move, emit_group_load, emit_group_store):
13398 Alignment arg now unsigned.
13399 (clear_storage, emit_push_insn, compare_from_rtx): Likewise.
13400 (do_compare_rtx_and_jump, store_bit_field): Likewise.
13401 (extract_bit_field): Likewise.
13402 * fold-const.c (add_double): Add cast to eliminate signedness warning.
13403 * machmode.h (GET_MODE_ALIGNMENT): Result is unsigned.
13404 (get_best_mode): Alignment arg is unsigned.
13405 * rtl.h (move_by_pieces): Likewise.
13406 * store-layout.c (maximum_field_alignment, set_alignment):
13408 (layout_decl): Alignment arg is now unsigned.
13409 Remove unneeded casts.
13410 (layout_record, layout_union, layout_type): Remove unneeded casts.
13411 Local alignment variables now unsigned.
13412 (get_best_mode): Alignment arg now unsigned.
13413 * tree.c (expr_align): New function.
13414 * tree.h (expr_align): Likewise.
13415 (maximum_field_alignment, set_alignment): Now unsigned.
13416 (get_inner_reference): Alignment argument is now pointer to unsigned.
13417 * varasm.c (assemble_variable): Add cast to eliminate warning.
13419 Thu Feb 10 12:56:47 2000 Jim Wilson <wilson@cygnus.com>
13421 * expmed.c (store_bit_field): If op0 and fieldmode are the same size,
13422 then store directly into op0.
13424 * calls.c (expand_call): When emitting a NOTE_INSN_SETJMP, search for
13425 the CALL_INSN, and emit the note immediately after it.
13427 2000-02-10 Nick Clifton <nickc@cygnus.com>
13429 * config/arm/thumb.md (epilogue): Include a (return) in the
13430 generated insn, and emit it using emit_jump_insn not
13433 Thu Feb 10 18:28:59 MET 2000 Jan Hubicka <jh@suse.cz>
13435 * function.c (assign_temp): Change zero-sized arrays to size 1.
13436 * integrate.c (expand_inline_function): Do not update
13437 stack_alignment_needed
13438 * i386.c (compute_frame_size): Remove #ifdef PREFERRED_FRAME_BOUNDARY,
13439 add some sanity checking, remove optimization for function with
13442 2000-02-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13444 * flow.c (mark_regs_live_at_end): Delete unused variables.
13446 * ggc-page.c (ggc_page_print_statistics): bzero -> memset.
13448 * integrate.c (copy_rtx_and_substitute): Wrap variable `alignment'
13449 in macro FRAME_GROWS_DOWNWARD.
13451 * stmt.c (expand_end_bindings): Delete unused variable.
13453 * unroll.c (iteration_info): Mark parameter `loop' with
13456 2000-02-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
13458 * fixinc/server.c (load_data): Return NULL if the marker line is
13460 (run_shell): If load_data returns NULL, retry the command once, in
13463 * configure: Rebuilt.
13465 2000-02-09 Bruce Korb <bkorb@gnu.org>
13467 * gcc/fixincludes: ** DELETED **
13468 * gcc/fixcpp: ** DELETED **
13469 * gcc/fixinc-nt.sed: ** DELETED **
13470 * gcc/just-fixinc: ** DELETED **
13471 * gcc/Makefile.in: Removed out-dated commentary
13472 * gcc/configure.in: Removed fast-fixincludes disablement.
13473 * MAINTAINERS(Ian Taylor) moved to "Write after approval" group.
13475 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
13476 * function.c (thread_prologue_and_epilogue_insns): Uncomment
13479 2000-02-09 Richard Henderson <rth@cygnus.com>
13481 * jump.c (delete_insn): Don't delete user labels at -O0.
13483 2000-02-09 Robert Lipe <robertl@sco.com>
13485 * Makefile.in (gen-protos): Don't depend on HOST_LIBDEPS.
13486 Don't link with HOST_LIBS.
13488 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
13490 * configure.in: Correct --help text for --with-dwarf2.
13491 Put tm-dwarf2.h after other tm files, if it's requested.
13492 * configure: Regenerate.
13493 * config/tm-dwarf2.h: #undef PREFERRED_DEBUGGING_TYPE before
13496 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
13498 * cpplib.h: Provide HASHNODE typedef and forward decl of
13499 struct hashnode only. Kill cpp_hashnode typedef. MACRODEF,
13500 DEFINITION, struct hashnode, struct macrodef, struct
13501 definition, scan_decls prototype, default defn of
13502 INCLUDE_LEN_FUDGE moved elsewhere.
13504 * cpphash.h: MACRODEF, DEFINITION, struct macrodef, struct
13505 definition, and struct hashnode moved here. Remove the unused
13506 'predefined' field from struct definition. Replace the 'args'
13507 union with its sole member. All users updated (cpphash.c).
13508 Delete HASHSTEP and MAKE_POS macros, and hashf prototype. Add
13509 multiple include guard.
13511 * cpphash.c (hashf): Make static; use better algorithm; drop
13512 HASHSIZE parameter; return an unsigned int.
13513 (cpp_lookup): Drop HASH parameter. PFILE parameter is
13514 used. Calculate HASHSIZE modulus here.
13515 (cpp_install): Drop HASH parameter. Calculate HASHSIZE modulus
13517 (create_definition): Drop PREDEFINITION parameter.
13518 * cpplib.c (do_define): Don't calculate a hash value here.
13519 Don't pass (keyword == NULL) to create_definition.
13521 * scan.h: Prototype scan_decls here.
13522 * cppfiles.c: Move INCLUDE_LEN_FUDGE default defn here.
13523 * cppexp.c, cppfiles.c, cppinit.c, cpplib.c, fix-header.c: All
13524 callers of cpp_lookup and cpp_install updated.
13526 * cpphash.c (macarg): Hoist all the flag diddling out of the
13528 (macroexpand): ... and out of the loop that calls macarg.
13529 Skip over the initial paren before macro arguments with
13530 cpp_get_non_space_token; point may be some distance before
13531 that paren. Abort if it's not there.
13533 * cpplib.c (parse_clear_mark): Delete function.
13534 (parse_set_mark, parse_goto_mark): Make static.
13535 (ACTIVE_MARK_P): New macro.
13536 (skip_block_comment, skip_line_comment): Do not bump the line
13537 if ACTIVE_MARK_P is true.
13538 (cpp_pop_buffer): The buffer to be popped may not have an
13540 (cpp_get_token): When looking for the initial paren before
13541 macro arguments, only set a mark in a file buffer, Always
13542 return to that mark before proceeding to call macroexpand or
13543 return a NAME token.
13545 * cpplib.h: Remove prototypes of parse_set_mark,
13546 parse_clear_mark, parse_goto_mark.
13547 (struct cpp_options): Rename 'put_out_comments' to
13548 'discard_comments' and invert its sense.
13549 * cppinit.c, cpphash.c, cpplib.c: All users of
13550 put_out_comments changed to use discard_comments, with
13553 2000-02-09 Clinton Popetz <cpopetz@cygnus.com>
13555 * function.c (thread_prologue_and_epilogue_insns): Don't delete
13556 the edge from a block that both jumps and falls through to the
13559 2000-02-09 Scott Bambrough <scottb@netwinder.org>
13561 * config/arm/arm.md (movsi): In PIC mode, make sure that a
13562 constant source address is legitimate.
13564 2000-02-09 Philip Blundell <pb@futuretv.com>
13566 * config/arm/arm.c (legitimize_pic_address): Handle LABEL_REF
13569 * config/arm/arm.h (LEGITIMATE_CONSTANT_P): Allow anything when
13571 (LEGITIMATE_PIC_OPERAND): Disallow references to labels.
13573 2000-02-09 Zack Weinberg <zack@wolery.cumb.org>
13575 * cpplib.c (cpp_define, cpp_undef): Make sure the stacked buffer
13576 ends with a newline and a NUL. Don't be so clever manipulating
13579 Wed Feb 9 14:18:08 MET 2000 Jan Hubicka <jh@suse.cz>
13581 * reload1.c (reload) Align stack frame to cfun->stack_alignment_needed,
13582 not to BIGGEST_ALIGNMENT.
13584 2000-02-08 Geoff Keating <geoffk@cygnus.com>
13586 * dwarf2.h (DW_CFA_GNU_negative_offset_extended): New constant.
13587 * dwarf2out.c (dwarf_cfi_name): Print name of new constant.
13588 (reg_save): Use DW_CFA_GNU_negative_offset_extended when needed.
13589 (output_cfi): Handle output of DW_CFA_GNU_negative_offset_extended.
13590 * frame.c (execute_cfa_insn): Handle
13591 DW_CFA_GNU_negative_offset_extended.
13593 2000-02-08 Richard Henderson <rth@cygnus.com>
13595 * flow.c (tidy_fallthru_edges): Split out from ...
13596 (delete_unreachable_blocks): ... here.
13597 (find_basic_blocks): Use it.
13599 Tue Feb 8 15:51:50 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13601 * stmt.c (expand_decl): Do set RTX_UNCHANGING_P for TREE_READONLY.
13603 2000-02-08 Zack Weinberg <zack@wolery.cumb.org>
13605 * Makefile.in (GEN_PROTOS_OBJS): Remove libcpp.a.
13606 (gen_protos.o): Don't depend on cpplib.h or cpphash.h.
13607 (fix-header.o): Don't depend on cpphash.h.
13609 * scan.c (hashstr): New function.
13610 * scan.h: Prototype it.
13611 * fix-header.c: Don't include cpphash.h. Use hashstr.
13612 * gen-protos.c: Don't include cpphash.h or cpplib.h. Use
13613 hashstr. Report hash table statistics. Add private
13614 definition of xrealloc.
13616 2000-02-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13618 * i386.h (TARGET_SWITCHES): Fix typo in option name.
13620 2000-02-08 Clinton Popetz <cpopetz@cygnus.com>
13622 * function.c (thread_prologue_and_epilogue_insns): Don't replace
13623 jumps with returns unless they are jumps to the fallthru block.
13625 Tue Feb 8 07:53:55 2000 Jan Hubicka <jh@suse.cz>
13627 * i386.md (addqi3_cc): Fix contraints.
13629 Tue Feb 8 01:39:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
13631 * function.c (emit_return_into_block): Wrap in #ifdef HAVE_return.
13633 2000-02-07 Mark Mitchell <mark@codesourcery.com>
13635 * cpplib.c (cpp_get_token): Call CPP_BUMP_LINE after reading a
13636 carriage return after a macro name.
13638 2000-02-07 Fred Fish <fnf@be.com>
13640 * i386/beos-elf.h: (ASM_IDENTIFY_GCC): Define to nothing
13641 so the gcc2_compiled symbol doesn't confuse BeOS debuggers.
13643 2000-02-07 Zack Weinberg <zack@wolery.cumb.org>
13645 * cppfiles.c (deps_output): Count spacers in deps_column.
13647 2000-02-07 Neil Booth <NeilB@earthling.net>
13649 * cppinit.c (initialize_dependency_output): If there is no
13650 suffix, don't try to look for known suffixes. Use strrchr.
13651 (cpp_start_read): Remove duplicate initialization.
13653 Mon Feb 7 18:36:41 MET 2000 Jan Hubicka <jh@suse.cz>
13655 * calls.c (compute_argument_block_size): New argument
13656 preferred_stack_boundary.
13657 (expand_call): update cfun->preferred_stack_boundary, update call of
13658 compute_argument_block_size
13659 (emit_library_call): Increate cfun->preferred_stack_boundary
13660 to PREFERRED_STACK_BOUNDARY
13661 (emit_library_call_value): Likewise.
13662 * explow.c (allocate_dynamic_stack_spave): Likewise.
13663 * function.c (prepare_function_start): Set
13664 cfun->preferred_stack_boundary
13665 * function.h (struct function): Add preferred_stack_boundary field.
13666 * integrate.c (expand_inline_function): Update
13667 cfun->preferred_stack_boundary and cfun->stack_alignment_needed.
13668 (copy_rtx_and_substitute): Align frame to stack_alignment_needed only.
13669 * i386.c (compute_frame_size): Use cfun->preferred_stack_boundary.
13671 2000-02-06 Zack Weinberg <zack@wolery.cumb.org>
13673 * cpplib.c (my_strerror, cpp_error, cpp_error_with_line,
13674 cpp_error_from_errno, cpp_warning, cpp_warning_with_line,
13675 cpp_pedwarn, cpp_pedwarn_with_line,
13676 cpp_pedwarn_with_file_and_line): Move to cpperror.c.
13677 (cpp_print_file_and_line, v_cpp_error, v_cpp_warning,
13678 v_cpp_error_with_line, v_cpp_warning_with_line,
13679 cpp_message_from_errno, cpp_perror_with_name): Delete.
13681 * cpperror.c (cpp_print_containing_files): Take starting
13682 buffer as argument.
13683 (cpp_file_line_for_message): Rename to cpp_print_file_and_line.
13684 (v_cpp_message): Now called directly by all entry points.
13686 (cpp_pfatal_with_name, cpp_message): Delete.
13687 (cpp_notice_from_errno, cpp_ice): New functions.
13688 (cpp_notice): Is now for reporting error conditions, just
13689 without an associated file.
13690 (cpp_error, cpp_error_with_line): Don't do anything if
13691 opts->inhibit_errors is on.
13692 (cpp_pedwarn_with_file_and_line): Take column argument also.
13694 * cpplib.h: Update prototypes of exported functions.
13695 (struct cpp_options): Add inhibit_errors.
13697 * cppalloc.c, cppfiles.c: Use fprintf not cpp_notice for
13698 non-error messages. Include intl.h.
13700 * cppinit.c, cppmain.c: Likewise. Also, use
13701 cpp_notice_from_errno instead of cpp_perror_with_name or
13702 cpp_pfatal_with_name, and cpp_notice instead of cpp_message.
13704 * cppexp.c, cpphash.c, cppinit.c, cpplib.c: Use cpp_ice to
13705 report internal errors.
13707 * cpplib.c (do_define): Switch bcopy to memcpy.
13708 Give cpp_pedwarn_with_file_and_line a dummy column argument.
13710 * cpplib.c (copy_rest_of_line): Revert previous change: don't
13711 bail out early if we hit a line comment.
13713 2000-02-06 Richard Henderson <rth@cygnus.com>
13715 * flow.c (flow_delete_insn, make_edge, remove_edge): Export.
13716 * basic-block.h: Declare them.
13717 * emit-rtl.h (active_insn_p): New.
13718 (next_active_insn, prev_active_insn): Use it.
13719 * rtl.h: Declare it.
13720 * function.c (emit_return_into_block): New.
13721 (thread_prologue_and_epilogue_insns): Insert return insns instead
13722 of epilogues when possible.
13723 * jump.c (jump_optimize_1): Remove code to insert a return insn
13724 on the fallthru to the exit block.
13726 * i386.c (ix86_can_use_return_insn_p): Fail for large poped args
13727 and for non-empty stack frames.
13728 * i386.md (return): Expand to return-pop as needed.
13730 2000-02-06 Richard Henderson <rth@cygnus.com>
13732 * simplify-rtx.c (simplify_relational_operation): Canonicalize
13733 constant to op1 for testing.
13735 2000-02-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13737 * config/c4x/c4x.md (*ldi_on_overflow): New pattern.
13738 (fixuns_truncqfqi2): Use it.
13740 2000-02-06 Richard Henderson <rth@cygnus.com>
13742 * i386.c (ix86_agi_dependant): Handle pro_epilogue_adjust_stack
13743 as a TYPE_LEA insn.
13745 * i386.md (widening and peepholes): Mask the constant instead of
13748 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
13750 * cppfiles.c (read_and_prescan) [case SPECCASE_QUESTION]: Bump
13751 input pointer before possibly branching off to the backslash
13753 * cpphash.c (macroexpand): Correctly delete \r escapes when
13754 stringifying parameters.
13755 * cpplib.c (copy_rest_of_line): Go directly to skip_block_comment
13756 if we can; bail out early if we hit a line comment.
13757 (handle_directive): Treat '# 123' in an .S file just like
13758 '# <punctuation>'. Discard the shifted '#' if we hit '#\n'.
13759 Return 1 for '# not_a_directive'.
13760 (get_directive_token): Pop macro buffers here, so that
13761 cpp_get_token can't sneakily move past a newline.
13763 (cpp_get_token): goto randomchar if handle_directive returns 0.
13765 * cppalloc.c: Update copyright.
13766 * cpplib.c: Merge all the static function prototypes into one
13768 * cpplib.h: Remove #if 0 block.
13770 * cpperror.c: Remove #ifdef EMACS block.
13771 * cppmain.c: Likewise.
13772 * cpphash.c: Remove #if 0 blocks.
13773 * cppinit.c: Remove #if 0 blocks, and the -lint option.
13774 * cpplib.c: Remove #if 0 blocks and code referencing
13775 pcp_inside_if or for_lint. Remove duplicate error message.
13776 Fix error messages for #else after #else or #elif. Reformat.
13777 Remove archaic TODO list.
13778 * cpplib.h: Remove pcp_inside_if and for_lint flags.
13780 2000-02-05 Zack Weinberg <zack@wolery.cumb.org>
13782 * i386/osf1elf.h: Add missing backslash to multiline string.
13784 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13786 * longlong.h [sparc] (udiv_qrnnd): Avoid stringifying macro arg.
13788 2000-02-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13790 * Makefile.in (c-common.o): Depend on $(EXPR_H).
13792 * c-common.c: Include expr.h.
13794 * c-pragma.c (mark_align_stack): Add prototype.
13796 * caller-save.c (add_stored_regs): Likewise.
13798 * combine.c (record_promoted_value): Likewise.
13800 * i386.c (ix86_sched_reorder_pentium, ix86_sched_reorder_ppro):
13803 * cppinit.c (new_pending_define): Likewise.
13805 * cpplib.c (skip_block_comment, skip_line_comment): Likewise.
13807 * dwarf2out.c (save_rtx, splice_child_die, reverse_die_lists,
13808 AT_class, AT_flag, AT_int, AT_unsigned, AT_string, AT_ref, AT_loc,
13809 AT_addr, AT_lbl, get_AT_ref, free_AT, free_die, local_scope_p,
13810 class_scope_p): Likewise.
13812 * dwarf2out.h (dwarf2out_set_demangle_name_func,
13813 dwarf2out_add_library_unit_info): Likewise.
13815 * ggc.h (ggc_page_print_statistics): Likewise.
13817 * haifa-sched.c (propagate_deps): Likewise.
13819 * reg-stack.c (next_flags_user, record_label_references): Likewise.
13821 * rtl.h (set_stack_check_libfunc): Likewise.
13823 * toplev.h (set_fatal_function): Likewise.
13825 * toplev.c (set_fatal_function): Delete prototype.
13827 * diagnostic.c: Deconstify functions returning malloc'ed ptrs.
13829 2000-02-05 Geoff Keating <geoffk@cygnus.com>
13831 * ginclude/ppc-asm.h (FUNC_START): Use USER_LABEL_PREFIX.
13832 (FUNC_END): Likewise.
13834 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13836 * caller-save.c: Include tm_p.h.
13838 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13840 * Makefile.in (libgcc.a): Add $(LIBGCC1) to libgcc.a after $(LIBGCC2).
13842 2000-02-04 Neil Booth <NeilB@earthling.net>
13844 * cccp.c (main): Check 'dir' for a NULL pointer before passing
13847 2000-02-04 Zack Weinberg <zack@wolery.cumb.org>
13849 * recog.h: Remove NO_MD_PROTOTYPES ifdefs.
13850 * genflags.c: Use the max_operand_1 logic from genemit.c to
13851 calculate how many arguments gen_insn prototypes have. Remove
13852 NO_MD_PROTOTYPES ifdefs from the generated file.
13853 * genoutput.c: Don't define NO_MD_PROTOTYPES in the generated
13854 file. Cast gen_insn initializers to insn_gen_fn.
13855 * config/alpha/vms.h: Don't define NO_MD_PROTOTYPES.
13856 * gcc.texi: Remove documentation of NO_MD_PROTOTYPES.
13858 2000-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13860 * fixinc/Makefile.in (HDR): Add machname.h.
13863 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13865 * config/c4x/c4x.h (c4x_compare_op0, c4x_compare_op1): Move ...
13866 (c4x_regclass_map, c4x_caller_save_map, c4x_rpts_cycles): Ditto.
13867 (c4x_cpu_version): Ditto.
13868 * config/c4x/c4x-protos.h: ... here.
13870 2000-02-04 Jason Merrill <jason@casey.cygnus.com>
13872 * dwarf2out.c (add_abstract_origin_attribute): Don't call
13873 gen_abstract_function on our context if we're a nested function.
13875 2000-02-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13877 * config/c4x/c4x.md (fixuns_truncqfqi2): Rewrite.
13878 * config/c4x/libgcc.S (ufix_truncqfhi2n): Fix.
13880 2000-02-04 Bruce Korb <bkorb@gnu.org>
13882 * fixinc/genfixes(machname.h):
13883 Move the functionality from gen-machine.h into this file.
13884 UNdef MN_NAME_PAT if there are no names to change.
13885 Also, be a little kinder when AutoGen is not present.
13887 * fixinc/Makefile.in(machname.h):
13888 Change the generation rule to use genfixes.
13890 * fixinc/fixfixes.c(machine_name):
13891 machine_name_fix's functionality now dependent upon whether
13892 MN_NAME_PAT is defined.
13894 * fixinc/fixtests.c(machine_name):
13897 * fixinc/fixlib.c(mn_get_regexps): conditional on definition
13900 * fixinc/fixlib.h(mn_get_regexps):
13903 * fixinc/gen-machine.h: DELETED
13905 2000-02-04 Jan Hubicka <jh@suse.cz>
13906 Richard Henderson <rth@cygnus.com>
13908 * i386.c (SAVE_REGS_FIRST): Remove.
13909 (ix86_initial_elimination_offset): Handle only SAVE_REGS_FIRST mode.
13910 (ix86_compute_frame_size): Likewise.
13911 (ix86_expand_prologue): Likewise. Use pro_epilogue_adjust_stack.
13912 (ix86_emit_restore_regs): Remove.
13913 (ix86_emit_epilogue_esp_adjustment): Use pro_epilogue_adjust_stack
13914 when a frame pointer is in use.
13915 (ix86_expand_epilogue): Handle only SAVE_REGS_FIRST mode. Use mov
13916 instead of pop to restore a register when profitable; emit leave
13918 (ix86_attr_length_default): Handle pro_epilogue_adjust_stack
13919 as a TYPE_LEA insn.
13920 (ix86_adjust_cost): Handle pro_epilogue_adjust_stack as TYPE_ALU.
13921 * i386.md (prologue_allocate_stack): Remove.
13922 (epilogue_deallocate_stack): Remove.
13923 (pro_epilogue_adjust_stack): New.
13925 2000-02-04 Richard Henderson <rth@cygnus.com>
13927 * function.c (diddle_return_value): Rework to use a callback function.
13928 Use current_function_return_rtx if it's been set up.
13929 (do_clobber_return_reg, clobber_return_register): New.
13930 (do_use_return_reg, use_return_register): New.
13931 (expand_function_end): Use them.
13932 * stmt.c (expand_null_return): Likewise.
13933 * function.h: Declare them.
13934 * flow.c (mark_regs_live_at_end): Use diddle_return_value.
13935 (mark_reg): Change arguments as appropriate for callback.
13936 * integrate.c (expand_inline_function): Revert 19 Jan change.
13938 Fri Feb 4 20:25:42 2000 Hans-Peter Nilsson <hp@bitrange.com>
13940 * tm.texi (Values in Registers): Fix typo: "fo" "for".
13941 (Misc): Say the scheduler, not the Haifa scheduler.
13943 2000-02-04 Clinton Popetz <cpopetz@cygnus.com>
13945 * jump.c (mark_jump_label): Add in_mem param, check SYMBOL_REFs
13946 when in_mem is set. Update all callers.
13948 2000-02-04 Richard Henderson <rth@cygnus.com>
13950 * i386/openbsd.h (INT_ASM_OP): Define.
13952 Fri Feb 4 10:51:30 2000 Hans-Peter Nilsson <hp@bitrange.com>
13954 * tm.texi: Fix various typos.
13956 Thu Feb 3 17:17:32 2000 Steve Ellcey <sje@cup.hp.com>
13958 * config/pa/pa-hpux11.h (LIB_SPEC): Correct typo in !p case.
13959 (MD_STARTFILE_PREFIX_1): New macro.
13961 Thu Feb 3 15:08:13 MET 2000 Jan Hubicka <jh@suse.cz>
13963 * i386.md (movstrsi, clrstrsi): Support variable sized copies, align
13964 destination when needed.
13965 (strmovsi, strsetsi): New expander.
13966 (strmovsi_1, strsetsi_1): New pattern.
13967 * i386.h (MASK_NO_ALIGN_STROP, MASK_INLINE_ALL_STROP,
13968 TARGET_ALIGN_STRINGOPS, TARGET_INLINE_ALL_STRINGOPS): New macros.
13969 (TARGET_SWITCHES) Add align-stringops and inline-all-stringops.
13970 * invoke.texi (align-stringops, inline-all-stringops): Document.
13972 Wed Feb 2 23:04:47 2000 Krister Walfridsson <cato@df.lth.se>
13974 * i386/netbsd.h (INT_ASM_OP): Define.
13976 2000-02-02 Zack Weinberg <zack@wolery.cumb.org>
13978 * cpplib.h (cpp_reader): Add new flag, no_directives.
13979 * cpphash.c (macarg): Set it.
13980 * cpplib.c (handle_directive): If no_directives is on and we
13981 find a directive, issue an error and discard the line.
13983 Wed Feb 2 13:07:10 2000 Jim Wilson <wilson@cygnus.com>
13985 * config/sparc/sparc.h (PREFERRED_RELOAD_CLASS): Delete 'E' check for
13986 FP constants. Add ! TARGET_FPU check for FP constants.
13988 2000-02-02 Clinton Popetz <cpopetz@cygnus.com>
13990 * flow.c (find_basic_blocks): Don't kill label_value_list
13992 (cleanup_cfg): Kill it here.
13994 Wed Feb 2 08:12:30 2000 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13996 * expr.c (store_field): Ensure ALIGN is no stricter than the
13999 2000-02-02 Richard Henderson <rth@cygnus.com>
14001 * jump.c (delete_insn): Partially revert 19 Jan change;
14002 don't convert unused code labels to notes at -O0.
14004 2000-02-02 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14006 * toplev.c (rest_of_compilation): Run rebuild_jump_labels after
14007 split_all_insns to recreate REG_LABEL notes for flow2 pass.
14009 2000-02-01 Richard Henderson <rth@cygnus.com>
14011 * i386.c (general_no_elim_operand): New.
14012 (nonmemory_no_elim_operand): New.
14013 (ix86_expand_move): Copy eliminable operands before a push.
14014 * i386-protos.h: Declare new functions.
14015 * i386.h (CAN_ELIMINATE): Simplify.
14016 (PREDICATE_CODES): Update.
14017 * i386.md (push insns): Don't allow eliminable register operands.
14019 2000-02-01 Richard Henderson <rth@cygnus.com>
14021 * flow.c (mark_regs_live_at_end): Follow expand_function_end and
14022 replace BLKmode with DECL_RTL's mode.
14024 2000-02-01 Zack Weinberg <zack@wolery.cumb.org>
14026 * frame.c (find_fde): Convert for loop to do-while so compiler
14027 sees it's always executed at least once.
14028 * libgcc2.c (BBINBUFSIZE): Kill.
14029 (__bb_init_prg): Use fgets.
14030 (__bb_exit_trace_func): Don't paste strings.
14031 * unroll.c (unroll_loop): Initialize unroll_type, not
14032 unroll_number, and tweak logic to match.
14034 * i386.c (ix86_expand_int_movcc): Add explicit 'return 0' in
14036 (ix86_flags_dependant): Likewise. Disentangle control flow.
14037 (ix86_sched_reorder): Break guts out to
14038 ix86_sched_reorder_pentium and ix86_sched_reorder_ppro.
14039 (ix86_sched_reorder_ppro): Initialize pair2 and insnp before
14042 * i386.h (MACHINE_STATE_SAVE, MACHINE_STATE_RESTORE): Don't
14043 use string concatenation. Don't save and restore esi.
14045 * fixinc/Makefile.in (fixincl.sh): Don't depend on inclhack.def.
14046 (machname.h): Remove script to separate file. Use two-step
14047 sequence so target is not created if script fails.
14048 * fixinc/gen-machname.h: New file. Handle case where no non-reserved
14049 identifiers are defined.
14050 * fixinc/fixlib.c (mn_get_regexps): Return a flag: if MN_NAME_PAT is
14051 an empty string, machine_name doesn't need to do anything at
14053 (is_cxx_header): Add more cases to regexp.
14054 * fixinc/fixlib.h: Update prototype.
14055 * fixinc/fixtests.c, fixinc/fixfixes.c: Update callers of
14057 * fixinc/fixincl.c: Define NO_BOGOSITY.
14059 * fixinc/inclhack.def (no_double_slash, else_endif_label): Ifdef out.
14060 (hp_sysfile): Add missing comma.
14061 (math_exception): Put the wrapper ifdefs at the beginning and
14062 the end of the file.
14063 * fixinc/fixincl.x, fixinc/inclhack.sh: Regenerate.
14065 2000-02-01 Richard Henderson <rth@cygnus.com>
14067 * sparc.c (fp_zero_operand): Turn into a normal predicate.
14068 Use CONST0_RTX. Update all callers.
14069 * sparc.h, sparc-protos.h: Update accordingly.
14070 * sparc.md (fp mov insns): Use fp_zero_operand directly
14073 Wed Feb 2 02:59:45 2000 Hans-Peter Nilsson <hp@bitrange.com>
14075 * tm.texi (Values in Registers): Fix typo in HARD_REGNO_NREGS
14078 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14080 * Makefile.in (specs.ready): New target.
14081 (fixinc.sh): Depend on `specs.ready' instead of `specs'.
14083 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14085 * fixinc.irix: Use unique filenames for writing into /tmp,
14086 * fixinc.ptx: Likewise.
14087 * fixinc.sco: Likewise.
14088 * fixinc.svr4: Likewise.
14089 * fixinc.winnt: Likewise.
14091 2000-02-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14093 * tsystem.h: New file.
14095 * Makefile.in (libgcc2.a, stmp-multilib, crtbegin.o, crtend.o,
14096 s-crtS): Depend on tsystem.h.
14098 * crtstuff.c: Include tsystem.h.
14099 * frame.c: Likewise.
14100 * libgcc2.c: Likewise.
14102 Tue Feb 1 19:53:27 CET 2000 Jan Hubicka <jh@suse.cz>
14104 * builtins.c (expand_builtin_memset): Expand for variable sized
14107 2000-02-01 David Billinghurst <David.Billinghurst@riotinto.com.au>
14109 * config/mips/iris6.h (SUBTARGET_ASM_SPEC) : Default ISA based
14112 Tue Feb 1 00:57:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
14114 * dwarfout.c (SHORT_TYPE_SIZE): Correct default.
14116 * tm.texi (Type Layout): Correct entry for CHAR_TYPE_SIZE.
14118 2000-01-31 Chandra Chavva <cchavva@cygnus.com>
14120 * combine.c (try_combine) [HAVE_cc0]: Trying to check the missed
14121 case 3->2 combining (combining with splitting) in which 2 is CC0
14122 setter/user and 3 is user. The rest of cases 2->1 and 3->2 are
14123 checked at the begining of the function with the aid of calling
14124 function 'can_combine_p'.
14126 2000-01-31 Dave Brolley <brolley@redhat.com>
14128 * cccp.c (struct argdata): Redeclare 'newlines' field as 'int'.
14130 2000-01-31 Jason Merrill <jason@casey.cygnus.com>
14132 * jump.c (redirect_jump): Move a NOTE_INSN_FUNCTION_END to the
14135 2000-01-31 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14137 * gansidecl.h (PROTO, VPROTO, PVPROTO): Delete macros.
14139 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit):
14142 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
14144 * i386/386bsd.h, i386/beos-pe.h, i386/bsd386.h, i386/crtdll.h,
14145 i386/cygwin.h, i386/dgux.h, i386/djgpp-rtems.h, i386/djgpp.h,
14146 i386/freebsd.h, i386/gnu.h, i386/i386-aout.h, i386/i386-coff.h,
14147 i386/i386-interix.h, i386/i386elf.h, i386/linux.h, i386/lynx-ng.h,
14148 i386/lynx.h, i386/mach.h, i386/mingw32.h, i386/moss.h,
14149 i386/netbsd.h, i386/next.h, i386/openbsd.h, i386/osf1elf.h,
14150 i386/ptx4-i.h, i386/rtems.h, i386/rtemself.h, i386/sco.h,
14151 i386/sequent.h, i386/sun.h, i386/sysv4.h, i386/uwin.h, i386/vsta.h,
14152 i386/vxi386.h, i386/win-nt.h, i386/win32.h:
14153 Remove -Di386 -Acpu(i386) -Amachine(i386) from CPP_PREDEFINES.
14155 * i386/osf1elf.h, i386/scodbx.h, i386/seq-sysv3.h, i386/sysv5.h:
14156 Add %(cpp_cpu) to CPP_SPEC.
14158 * i386/osf1elf.h, i386/osfelf.h, i386/osfrose.h:
14159 Add %(cc1_cpu) to CC1_SPEC.
14161 2000-01-28 Ulrich Drepper <drepper@redhat.com>
14163 * c-decl.c (c_decode_option): Accept optional numeric argument to
14164 -Wformat and set warn_format.
14165 * c-common.c: Don't emit warning about non-constant printf format
14166 string unless warn_format > 1.
14168 2000-01-30 Richard Henderson <rth@cygnus.com>
14170 * alpha.md (return_internal): Allow after reload only.
14172 2000-01-30 Richard Henderson <rth@cygnus.com>
14174 * i386.c (ix86_compute_frame_size): Omit padding1 if the
14175 local frame size is zero.
14177 2000-01-30 Richard Henderson <rth@cygnus.com>
14179 * alpha.c (alpha_expand_epilogue): Don't emit the return insn.
14180 * alpha.h (EPILOGUE_USES): New. Mark $26 live.
14181 * alpha.md (return): Turn into an expander.
14182 (return_internal): Don't use $26.
14183 (epilogue): Emit the return insn.
14185 2000-01-30 Richard Henderson <rth@cygnus.com>
14187 * alpha.md (negtf2, abstf2): Fix word order thinko.
14188 (extendsftf2): New.
14189 (trunctfsf2): Avoid intermediate rounding errors.
14191 2000-01-30 Zack Weinberg <zack@wolery.cumb.org>
14193 * cppfiles.c (find_position): Drop 'colp' argument, return the
14195 (read_and_prescan): Adjust to match. Don't ever manipulate
14196 line or line_base except via find_position.
14198 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
14200 * c-parse.in: Apply Ulrich's changes from c-parse.y.
14201 * c-parse.y, objc/objc-parse.y, c-parse.c, objc/objc-parse.c:
14204 2000-01-29 Zack Weinberg <zack@wolery.cumb.org>
14206 * cpperror.c (cpp_file_line_for_message): If 'line' is zero,
14207 just print "<command line>". If 'filename' is null or an
14208 empty string, print "<stdin>" for the filename.
14209 * cpplib.c (do_define): Don't print the 'location of the
14210 previous definition' message if we're still parsing the
14212 (cpp_pedwarn_with_file_and_line): Always call
14213 cpp_file_line_for_message.
14215 2000-01-29 Mark Mitchell <mark@codesourcery.com>
14217 * flow.c (mark_regs_live_at_end): Fix typo.
14219 2000-01-28 Ulrich Drepper <drepper@redhat.com>
14221 * c-common.c: Adjust variable names, comments, help strings to c99.
14222 * c-lex.c: Likewise.
14223 * c-parse.y: Likewise.
14224 * c-tree.h: Likewise.
14225 * cccp.c: Likewise.
14226 * cpplib.h: Likewise.
14227 * c-decl.c: Likewise. Recognize options with names "*99" as well.
14228 * cppinit.c: Likewise.
14230 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14232 * c4x.h (INIT_TARGET_OPTABS): Add all missing local optab entries.
14233 * c4x.c: Define the optab rtx values.
14234 (c4x_add_gc_roots): Add the ggc roots for these optab rtx values.
14235 (c4x_emit_libcall): Use new optab rtx values.
14236 (c4x_emit_libcall3): Likewise.
14237 (c4x_emit_libcall_mulhi): Likewise.
14238 * c4x-protos.h: Add prototypes for optab rtx values and change
14239 prototypes for above c4x_emit_libcall functions.
14241 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14243 * c4x.c (c4x_output_ascii): Restrict line length of output when TI
14245 (c4x_function_prologue): Use regnames intead of float_reg_names when
14247 (c4x_function_epilogue): Likewise.
14248 (c4x_print_operand): Likewise.
14249 * c4x.h (HOST_WIDE_INT_PRINT_HEX): Redefine.
14250 * c4x.md (set_high): Disable for TARGET_TI.
14252 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14254 * c4x.h (PREFERRED_RELOAD_CLASS): Change to restrict the reloading
14255 of framepointer + constant to ADDR_REGS class.
14256 * c4x.md (addqi3, addqi3_noclobber_reload): Update.
14257 * c4x.c (std_or_reg_operand): New function.
14258 * c4x-protos.h (std_or_reg_operand): Prototype it.
14260 2000-01-29 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
14262 * t-c4x: Change qi,qf,di,df into si,sf,hi,hf to generate same
14263 object names as libgcc2.c.
14264 * libgcc.S: Use newly defined names.
14266 Fri Jan 7 19:48:04 CET 2000 Jan Hubicka <jh@suse.cz>
14267 * sbitmap.c (sbitmap_first_set_bit, sbitmap_last_set_bit): New
14269 * sbitmap.h (sbitmap_first_set_bit, sbitmap_last_set_bit): Declare.
14270 * basic_block.h (FLOW_LOOP_FIRST_BLOCK): New macro.
14271 (FLOW_LOOP_LAST_BLOCK): Likewise.
14273 2000-01-21 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14275 * basic-block.h (struct loop): New fields 'first' and 'last'.
14276 * flow.c (flow_loops_find): Compute loop->first and loop->last.
14277 (flow_loops_dump): Use loop->first to check for NOTE_INSN_LOOP_BEG
14278 and loop->last to check for NOTE_INSN_LOOP_END.
14280 Fri Jan 28 10:57:58 2000 Jason Eckhardt <jle@cygnus.com>
14282 * predict.c (estimate_probability): Use the new FIRST and LAST fields
14283 of the loop descriptor rather than HEADER and LATCH. Also added
14284 missing break statements as well making some coding style modifications
14285 as suggested by Michael Hayes.
14287 2000-01-28 Richard Henderson <rth@cygnus.com>
14289 * flow.c (find_basic_blocks): Remove do_cleanup argument.
14290 Break out that code ...
14291 (cleanup_cfg): ... here.
14292 (commit_one_edge_insertion): Detect a return instruction being
14293 emitted to an edge. Emit a barrier following; clear fallthru.
14294 (commit_edge_insertions): Verify CFG consistency.
14295 * function.c (expand_function_start): Kill unused variable.
14296 (expand_function_end): Likewise.
14297 (thread_prologue_and_epilogue_insns): Use insert_insn_on_edge
14298 to insert the epilogue.
14300 * gcse.c (gcse_main): Adjust for find_basic_blocks change.
14301 (delete_null_pointer_checks): Likewise.
14302 * output.h: Likewise.
14303 * reg-stack.c (reg_to_stack): Likewise.
14304 * toplev.c (rest_of_compilation): Likewise. Run
14305 thread_prologue_and_epilogue_insns after rebuilding the CFG.
14307 2000-01-28 Richard Henderson <rth@cygnus.com>
14309 * Makefile.in (flow.o): Revert 24 Jan change.
14310 * flow.c (mark_regs_live_at_end): Likewise. Force BLKmode
14311 FUNCTION_VALUE result to DECL_RESULT's mode.
14313 * haifa-sched.c (schedule_insns): Don't recompute reg info
14316 2000-01-28 Zack Weinberg <zack@wolery.cumb.org>
14318 * configure.in: Make --enable-cpplib the default.
14319 * configure: Regenerate.
14320 * gcc.dg/990119-1.c: No longer expected to fail.
14322 2000-01-28 Bernd Schmidt <bernds@cygnus.co.uk>
14324 * jump.c (jump_optimize_1): Delete an optimization that is also done
14325 by merge_blocks in flow.
14327 2000-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14329 * diagnostic.c (build_message_string, output_printf,
14330 line_wrapper_printf): Add ATTRIBUTE_PRINTF_*.
14331 (build_location_prefix): Fix non-literal format string.
14333 2000-01-27 Richard Henderson <rth@cygnus.com>
14335 * alpha.md (trunctfsf2): New.
14337 2000-01-27 Andrew Hobson <ahobson@eng.mindspring.net>
14339 * configure.in (alpha-dec-osf5): Enable MASK_SUPPORT_ARCH.
14341 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
14343 * cppinit.c (cpp_handle_option): Recognize C++ comments under
14345 * cpplib.c (skip_block_comment, skip_line_comment): Split code
14347 (skip_comment) ... here. Permit C++ comments in system
14348 headers always. Warn about C++ comments in user code under
14349 -std=gnu89 -pedantic.
14350 (copy_comment): Use skip_comment.
14351 (cpp_skip_hspace, cpp_get_token): skip_comment can no longer
14353 (consider_directive_while_skipping, do_else, do_endif): Call
14354 validate_else unconditionally.
14355 (validate_else): Check CPP_PEDANTIC here. Accept non-comment
14356 text after the conditional in a system header.
14357 * cpplib.h (struct cpp_buffer): Add flag
14358 warned_cplusplus_comments.
14360 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
14362 * emit-rtl.c (unshare_all_rtl): Unshare virtual parameters too.
14363 Use unshare_all_rtl_1.
14364 (unshare_all_rtl_again): New function.
14365 (unshare_all_rtl_1): New function split out of unshare_all_rtl.
14367 * function.c (purge_addressof_1): Use unshare_all_rtl_again
14368 rather than resetting the 'used' flags ourself.
14370 * toplev.c (rest_of_compilation): Add current_function_decl
14371 to the unshare_all_rtl call.
14372 * tree.h: Prototype unshare_all_rtl.
14373 * rtl.h: Prototype unshare_all_rtl_again here.
14375 2000-01-27 Geoffrey Keating <geoffk@cygnus.com>
14377 * genoutput.c (output_prologue): Include ggc.h in generated
14379 * Makefile.in (insn-output.o): Depends on ggc.h.
14381 2000-01-27 Ian Dall <ian@sibyl.beware.dropbear.id.au>
14382 Hans-Peter Nilsson <hp@bitrange.com>
14384 * ns32k/xm-ns32k.h (memcpy, memset, memcmp): Delete.
14385 Remove redundant include of xm-ns32k.h.
14386 * ns32k/xm-genix.h (memcpy, memset, memcmp): Add definitions.
14387 Remove redundant include of xm-ns32k.h.
14388 * ns32k/xm-netbsd.h (memcpy, memset, memcmp): No longer undefine.
14389 Remove redundant include of xm-ns32k.h.
14390 * ns32k/netbsd.h (TARGET_DEFAULT): Enable multiply-add instructions.
14392 * ns32k/ns32k.h: Update comment on multiply-add instructions.
14393 (TARGET_SWITCHES): Add documentation strings.
14394 (DWARF_FRAME_REGNUM): Override default definition.
14395 (REG_CLASS_CONTENTS): Add comments.
14396 (SUBSET_P): Format to reduce line length.
14397 (SMALL_REGISTER_CLASSES): Make a run time option.
14398 (GO_IF_NONINDEXED_ADDRESS): Reformat.
14399 (GO_IF_LEGITIMATE_ADDRESS): Ensure that cfun is non NULL before
14400 dereferencing it. Braces to avoid "ambiguous else" were misplaced.
14401 (regclass_map): fix typo in comment.
14402 * ns32k/ns32k.c: Add spaces before parentheses for consistant style.
14403 Prefer gen_rtx_FOO(...) to gen_rtx(FOO,...).
14404 (trace, reg_or_mem_operand): Delete, unused function.
14405 (calc_address_cost): Small offsets are cheaper than large ones.
14406 (expand_block_move): Generate more efficient code when bytes is a
14407 known at compile time.
14408 * ns32k/ns32k.md: Alternate constraints for multiply-add instructions.
14409 (udivmodsi4, udivmodhi4, udivmodqi4): Use nonimmediate_operand
14410 instead of reg_or_mem_operand.
14412 * ns32k/ns32k.md: Use nonimmediate_operand or stricter for outputs,
14413 not general_operand. Similarly use "=rm" or stricter, not "=g".
14414 For input operands, use stricter constraints than "g" if not
14415 general_operand. Similarly use stricter predicate than
14416 "general_operand" when stricter constraints than "g" are present,
14417 except for matching constraints.
14418 (movstrsi): Use "memory_operand" for operands 0 and 1.
14419 (truncsiqi2, truncsihi2, trunchiqi2): Remove.
14420 (udivmoddisi4_internal): Use nonimmediate_operand for operand 0,
14421 not reg_or_mem_operand.
14422 (udivmoddisi4): Ditto.
14423 Use nonimmediate_operand for operand 1, not reg_or_mem_operand.
14424 Use nonimmediate_operand for operand 3, not register_operand.
14425 (udivmoddiqi4_internal): Use register_operand for operand 1, not
14426 reg_or_mem_operand.
14428 2000-01-27 Fred Fish <fnf@be.com>
14430 * gthr-posix.h: Fix typo; compatibily -> compatibility.
14431 * gthr-single.h: Likewise.
14432 * gthr-solaris.h: Likewise.
14433 * gthr-vxworks.h: Likewise.
14434 * gthr-win32.h: Likewise.
14435 * gthr.h: Likewise.
14437 2000-01-27 Zack Weinberg <zack@wolery.cumb.org>
14439 * cppinit.c: Add " (cpplib)" to end of string printed by
14442 2000-01-27 Richard Henderson <rth@cygnus.com>
14444 * alpha.c (alpha_emit_conditional_move): Use VOIDmode when
14445 testing for a signed comparison.
14446 (alpha_emit_floatuns): New.
14447 * alpha-protos.h: Declare it.
14448 * alpha.md (floatunsdisf2, floatunsdidf2): New.
14449 (extendsfdf2): Tidy.
14451 2000-01-27 Jakub Jelinek <jakub@redhat.com>
14453 * config/sparc/linux64.h (CC1_SPEC): If compiling -m32 with -g but
14454 no -g option specifying debugging format, default to -gstabs+.
14456 Wed Jan 26 22:19:14 1999 J"orn Rennecke <amylaar@cygnus.co.uk>
14458 * calls.c (special_function_p): New argument fork_or_exec.
14459 (expand_call): When profile_arc_flag is set and the function
14460 is in the fork_or_exec group, call __bb_fork_func first.
14461 * libgcc2.c, _bb module (__bb_fork_func): New function.
14462 (__bb_exit_func): If fcntl F_SETLKW is available, use it to lock
14464 * config/svr4.h (TARGET_HAS_F_SETLKW): Define.
14465 * tree.h (special_function_p): Update prototype.
14467 2000-01-26 Richard Henderson <rth@cygnus.com>
14469 * alpha.c (alpha_split_tfmode_pair): New.
14470 * alpha-protos.h: Declare it.
14471 * alpha.md (abstf2, negtf2): New.
14472 (movtf insn): Add input G constraint.
14473 (movtf splitter): Use alpha_split_tfmode_pair.
14475 2000-01-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14477 * i386/cygwin.h: PROTO -> PARAMS.
14479 2000-01-26 Jakub Jelinek <jakub@redhat.com>
14481 * config/sparc/sparc.c (sparc_emit_float_lib_cmp): Handle
14482 TARGET_ARCH32 again. Handle ORDERED, UN* and LTGT comparisons
14483 using _Qp_cmp/_Q_cmp and testing the return value.
14484 (print_operand): Call reverse_condition_maybe_unordered if
14485 we are handling CCFPmode or CCFPEmode.
14486 Handle ORDERED, UN* and LTGT comparisons.
14487 * config/sparc/sparc.md (cmptf): Use even on TARGET_ARCH32
14488 if not TARGET_HARD_QUAD.
14489 (seq, sne, sgt, slt, sge, sle, beq, bne, bgt, blt, bge, ble,
14490 bunordered, bordered, bungt, bunlt, buneq, bunge, bunle, bltgt):
14491 Call sparc_emit_float_lib_cmp even on TARGET_ARCH32.
14492 Adjust gen_b* calls so that they reflect return comparison of
14493 sparc_emit_float_lib_cmp.
14495 2000-01-26 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14497 * config/alpha/alpha.c (alpha_emit_xfloating_cvt): Do not assume
14498 incoming operands array is large enough for one more operand.
14499 (alpha_emit_xfloating_arith): Likewise.
14501 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
14503 * fixinc/Makefile.in (machname.h): SunOS 4 sed can't handle a
14504 file with one line and no trailing newline.
14505 Patch by Kaveh Ghazi <ghazi@caip.rutgers.edu>.
14506 * fixinc/fixtests.c (machine_name_test): Fix fencepost error
14507 checking if the match is on the line.
14508 * fixinc/gnu-regex.c: Provide regerror not __regerror.
14510 2000-01-25 Richard Henderson <rth@cygnus.com>
14512 * sparc.c (output_cbranch): Fix accidental squashing of the
14513 fp branch pre-delay nop.
14515 2000-01-25 Richard Henderson <rth@cygnus.com>
14517 * tree.def (UNNE_EXPR): Remove.
14518 * c-typeck.c (build_binary_op): Don't handle it.
14519 * expr.c (expand_expr, do_jump, do_store_flag): Likewise.
14521 * rtl.def (UNNE): Remove.
14523 * jump.c (reverse_condition): Update accordingly.
14524 (swap_condition): Likewise.
14525 (comparison_dominates_p): Handle unordered comparisons.
14526 (reverse_condition_maybe_unordered): New.
14527 * rtl.h (reverse_condition_maybe_unordered): Declare.
14529 * sparc.c (select_cc_mode): Update for UNNE/LTGT.
14530 (output_cbranch): Use reverse_condition_maybe_unordered and LTGT.
14531 * sparc.h (REVERSIBLE_CC_MODE): Always true. Update docs.
14532 * sparc.md (bltgt): New.
14534 2000-01-25 Nick Clifton <nickc@redhat.com>
14536 * emit-rtl.c (emit_insn): Only check machine class insns for
14537 improper emission of a RETURN.
14539 2000-01-25 Richard Henderson <rth@cygnus.com>
14541 * Makefile.in (flow.o): Depend on $(EXPR_H).
14542 * flow.c (mark_regs_live_at_end): Use hard_function_value, i.e.
14543 duplicate the structure of diddle_return_value for keeping regs live.
14545 2000-01-26 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14547 * loop.c (current_loop_info): Delete.
14548 (consec_sets_invariant_p): Add loop argument, update callers.
14549 (get_condition_for_loop): Likewise.
14550 (count_nonfixed_reads, update_giv_derive): Likewise.
14551 (simplify_giv_expr, general_induction_var): Likewise.
14552 (consec_sets_giv, recombine_givs): Likewise.
14553 (move_movables): Delete loop_start and loop_end arguments,
14554 add loop argument, and update callers.
14555 (find_mem_givs, check_final_value): Likewise.
14556 (record_giv, maybe_eliminate_biv, maybe_eliminate_biv_1): Likewise.
14557 (loop_invariant_p): Rename from invariant_p, add loop argument, and
14559 (basic_induction_var): Add loop argument, delete loop_level argument,
14560 and update callers.
14561 * unroll.c (iteration_info): Delete loop_start and loop_end arguments,
14562 add loop argument, and update callers.
14563 (find_splittable_regs, find_splittable_givs): Likewise.
14564 (reg_dead_after_loop, loop_find_equiv_value): Likewise.
14565 (final_biv_value, final_giv_value, back_branch_in_range_p): Likewise.
14566 (biv_total_increment): Delete loop_start and loop_end arguments;
14568 (precondition_loop_p): Delete loop_start and loop_info arguments;
14570 * loop.h (get_condition_for_loop): Add loop argument.
14571 (biv_total_increment): Delete loop_start and loop_end arguments.
14572 (precondition_loop_p): Delete loop_start and loop_info arguments;
14574 (final_biv_value): Delete loop_start and loop_end arguments;
14576 (final_giv_value, back_branch_in_range_p): Likewise.
14578 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
14580 * config/mips/mips.h (LEGITIMATE_CONSTANT_P): Fix for mips16.
14582 2000-01-25 Gavin Romig-Koch <gavin@cygnus.com>
14584 * Makefile.in (c-gperf.h) : Change the "See" pointer to
14585 point to the new "generated_files" doc.
14587 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
14589 * config/fp-bit.c (_unord_f2): Fix typo.
14591 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
14593 * c-common.c, c-decl.c, c-lang.c, c-lex.c, c-parse.in, c-pragma.c,
14594 c-typeck.c, objc/objc-act.c: Remove all references to obstack
14595 functions obsoleted by GC, such as push_obstacks_nochange,
14596 end_temporary_allocation, savealloc, saveable_tree_cons, etc.
14597 and code which existed only to decide whether or not to call
14598 them. Remove now-unused NESTED argument from start_function;
14599 all callers changed. Do not change behavior based on ggc_p.
14600 The use of the ixp_obstack in c-iterate.c and the util_obstack
14601 in objc/objc-act.c remain; these are not obsoleted by garbage
14603 * c-tree.h: Update prototype for start_function.
14605 * c-parse.y, c-parse.c, objc/objc-parse.c, objc/objc-parse.y: Rebuild.
14607 2000-01-25 Clinton Popetz <cpopetz@cygnus.com>
14609 * config/mips/mips.md (zero_extendsidi2_internal): Disable for
14612 2000-01-25 Richard Henderson <rth@cygnus.com>
14614 * sparc-protos.h (select_cc_mode): Declare.
14615 * sparc.c (select_cc_mode): New. Handle unordered compares.
14616 (output_cbranch): Always reverse via code change. Handle
14617 unordered compares. Factor tests and string updates.
14618 * sparc.h (SELECT_CC_MODE): Split out to select_cc_mode.
14619 (REVERSIBLE_CC_MODE): Also exclude CCFPmode.
14620 * sparc.md (bunordered, bordered): New.
14621 (bungt, bunlt, buneq, bunge, bunle): New.
14623 2000-01-25 Richard Henderson <rth@cygnus.com>
14625 * dwarf2out.c (dwarf2out_init): Use ggc_add_rtx_varray_root.
14626 * ggc-common.c (ggc_add_rtx_varray_root): New.
14627 (ggc_mark_rtx_varray): New.
14628 (ggc_mark_rtx_varray_ptr): New. Shift all ggc_mark_foo_ptr
14629 functions down below ggc_mark_foo.
14630 * ggc.h (ggc_add_rtx_varray_root, ggc_mark_rtx_varray): Declare.
14632 2000-01-25 Richard Henderson <rth@cygnus.com>
14634 * alpha.c (secondary_reload_class): Don't allocate a secondary
14635 for integral mode memories into FLOAT_REGS. Rearrange the more
14636 complicated memory expression inward.
14638 2000-01-25 Zack Weinberg <zack@wolery.cumb.org>
14640 * inclhack.def: Fixes to play nicer with FreeBSD, and
14641 corrections to comments.
14642 (cxx_unready): Add select expression.
14643 (irix_sockaddr): Add bypass expression.
14644 (machine_ansi_h_va_list): New fix.
14645 (stdio_va_list): No need to edit _BSD_VA_LIST_.
14646 Split out addition of "#include <stdarg.h>" to...
14647 (stdio_stdarg_h): ... here.
14648 (systypes_for_aix): Rename to systypes_stdlib_size_t. Apply
14649 to stdlib.h also. Do not munge _BSD_SIZE_T_.
14650 (sysz_stdlib_for_sun): Delete duplicate fix for unprotected
14652 (ultrix_ifdef): Tighten up select expression.
14654 * fixincl.tpl: Exorcise 'exesel'. Rewrite calculations of
14655 re_ct and max_mach to avoid use of shell. Make printed names
14656 match names in inclhack.def. Use static copyright date.
14657 Don't count c_test and test expressions as requiring regex_t
14658 slots. Add some commentary.
14659 * inclhack.tpl: Do not include the 'This script contains N
14660 fixup scripts' line if PROGRAM is defined. Use static
14663 2000-01-24 Jason Merrill <jason@casey.cygnus.com>
14665 * dwarf2out.c: include "varray.h", not dyn-string.h.
14666 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_NAME_TO_STRING): Lose.
14667 (addr_const_to_string, addr_to_string): Lose.
14668 (ASM_OUTPUT_DWARF_ADDR_CONST): Copy from dwarfout.c.
14669 (struct dw_val_struct): val_addr is now an rtx.
14670 (add_AT_addr, AT_addr, free_AT, output_aranges): Adjust.
14671 (used_rtx_varray): New varray.
14672 (dwarf2out_init): Initialize it.
14673 (save_rtx): New fn.
14674 (mem_loc_descriptor, add_const_value_attribute): Call it instead of
14676 * arm/telf.h, arm/unknown-elf.h, mn10200.h, mn10300.h,
14677 sparc/sp64-elf.h: Remove definition of ASM_OUTPUT_DWARF2_ADDR_CONST.
14678 * Makefile.in (dwarf2out.o): Update dependencies.
14680 2000-01-24 Richard Henderson <rth@cygnus.com>
14682 * i386.c (i386_dwarf_output_addr_const): New.
14683 * i386.h (ASM_OUTPUT_DWARF_ADDR_CONST): New.
14685 * dwarf2out.c (mem_loc_descriptor): Call ASM_SIMPLIFY_DWARF_ADDR
14687 * dwarfout.c (output_mem_loc_descriptor): Likewise.
14688 * i386.c (i386_simplify_dwarf_addr): New.
14689 * i386.h (ASM_SIMPLIFY_DWARF_ADDR): New.
14691 Mon Jan 24 16:56:10 2000 Jim Wilson <wilson@cygnus.com>
14693 * dwarf2out.c (gen_struct_or_union_type_die): Set complete if
14694 TYPE_STUB_DECL is NULL.
14696 2000-01-24 Richard Henderson <rth@cygnus.com>
14698 * builtins.c (expand_tree_builtin): Move ...
14699 * c-common.c (expand_tree_builtin): ... here.
14701 2000-01-25 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14703 * loop.h (LOOP_INFO): New accessor macro.
14704 * basic-block.h (struct loop): Rename field `info' to `aux'.
14705 * loop.c (scan_loop): Replace loop->info with LOOP_INFO (loop).
14706 (prescan_loop, strength_reduce, check_dbra_loop, insert_bct): Likewise.
14707 * unroll.c (loop_iterations, unroll_loop): Likewise.
14709 2000-01-24 Christopher Faylor <cgf@cygnus.com>
14711 * config/i386/t-cygwin: Accomodate new winsup directory layout
14712 when searching for include files.
14714 2000-01-24 Richard Henderson <rth@cygnus.com>
14716 * rtl.def: Add unordered fp comparisions.
14717 * tree.def: Likewise.
14718 * tree.h: Add ISO C 9x unordered fp comparision builtins.
14720 * builtins.c (expand_tree_builtin): New function.
14721 * c-typeck.c (build_function_call): Use it.
14722 (build_binary_op): Support unordered compares.
14723 * c-common.c (c_common_nodes_and_builtins): Add unordered compares.
14725 * combine.c (known_cond): Handle reverse_condition returning UNKNOWN.
14726 (reversible_comparison_p): Allow UNORDERED/ORDERED to be reversed.
14727 * cse.c (fold_rtx): Check FLOAT_MODE_P before reversing.
14728 (record_jump_equiv): Handle reverse_condition returning UNKNOWN.
14729 * jump.c (reverse_condition): Don't abort for UNLE etc, but
14731 (swap_condition): Handle unordered compares.
14732 (thread_jumps): Check can_reverse before reversing.
14733 * loop.c (get_condition): Likewise. Allow UNORERED/ORDERED to be
14736 * optabs.c (can_compare_p): New argument CODE. Verify branch or
14737 setcc is present before acking for cmp_optab. Update all callers.
14738 (prepare_float_lib_cmp, init_optabs): Handle UNORDERED.
14739 * expmed.c (do_cmp_and_jump): Update for can_compare_p.
14740 * expr.c (expand_expr): Likewise. Support unordered compares.
14741 (do_jump, do_store_flag): Likewise.
14742 * expr.h (enum libfunc_index): Add unordered compares.
14744 * Makefile.in (FPBIT_FUNCS): Add _unord_sf.
14745 (DPBIT_FUNCS): Add _unord_df.
14746 * config/fp-bit.c (_unord_f2): New.
14747 * fp-test.c (main): Try unordered compare builtins.
14749 * alpha-protos.h (alpha_fp_comparison_operator): Declare.
14750 * alpha.c (alpha_comparison_operator): Check mode properly.
14751 (alpha_swapped_comparison_operator): Likewise.
14752 (signed_comparison_operator): Likewise.
14753 (alpha_fp_comparison_operator): New.
14754 (alpha_emit_conditional_branch): Handle unordered compares.
14755 * alpha.h (PREDICATE_CODES): Update.
14756 * alpha.md (fp compares): Use alpha_fp_comparison_operator.
14757 (bunordered, bordered): New.
14759 2000-01-24 Richard Henderson <rth@cygnus.com>
14761 * alpha.c (alpha_emit_xfloating_cvt): Thinko in operand manipulation.
14762 * alpha.md (movtf): New expander, insn, and splitter.
14764 Mon Jan 24 19:49:47 MET 2000 Jan Hubicka <jh@suse.cz>
14766 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
14769 Mon Jan 24 17:37:31 MET 2000 Jan Hubicka <jh@suse.cz>
14771 * i386.h (FIRST_PSEUDO_REGISTER): Set to 21.
14772 (FIXED_REGISTERS, CALL_USED_REGISTERS,
14773 REG_ALLOC_ORDER): Add frame pointer
14774 (FRAME_POINTER_REGNUM): Set to 20
14775 (HARD_FRAME_POINTER_REGNUM): New macro.
14776 (ELIMINABLE_REGS): Eliminate ARG_POINTER and FRAME_POINTER
14777 to HARD_FRAME_POINTER.
14778 (REGNO_OK_FOR_BASE_P): Accept FRAME_POINTER_REGNUM
14779 (REG_OK_FOR_INDEX_NONSTRICT_P): Likewise.
14780 (REG_OK_FOR_BASE_NONSTRICT_P): Likewise.
14781 (HI_REGISTER_NAMES): Add "frame".
14782 (CAN_ELIMINATE): Handle FRAME_POINTER_REGNUM elimination.
14783 (debug_reg): Handle FRAME_POINTER_REGNUM.
14784 (reg_class): Add arg pointer and frame pointer to NON_Q_REGS,
14785 GENERAL_REGS and INDEX_REGS.
14786 * i386.c (SAVED_REGS_FIRST): new macro.
14787 (AT_BP): Use hard_frame_pointer_rtx instead of frame_pointer_rtx
14788 (ix86_decompose_address, memory_address_length): Likewise.
14789 (regclass_map): Add frame pointer.
14790 (call_insn_operand): Handle frame_pointer_rtx.
14791 (reg_no_sp_operand): Likewise.
14792 (ix86_decompose_address): Handle frame_pointer_rtx as stack_pointer_rtx.
14793 (print_operand, legitimize_pic_address): Fix formating.
14794 (ix86_compute_frame_size): Make static, update prototype, new
14795 parameters padding1, padding2, use ix86_nsaved_regs, use
14796 stack_alignment_needed.
14797 (ix86_initial_elimination_offset): Handle FRAME_POINTER_REGNUM
14798 to HARD_FRAME_POINTER_REGNUM conversions.
14799 (ix86_expand_prologue): Handle SAVED_REGS_FIRST prologues.
14800 (ix86_expand_epilogue): Handle SAVED_REGS_FIRST epilogues.
14801 (print_reg): Abort on FRAME_POINTER_REGNUM
14803 Mon Jan 24 16:50:08 MET 2000 Jan Hubicka <jh@suse.cz>
14805 * i386.h (PREDICATE_CODES): Add aligned_operand.
14806 * i386.c (aligned_operand): New function.
14807 (ix86_aligned_p): Kill.
14808 * i386.md (movhi_1): Emit mov for aligned operands.
14809 (promoting peep2s): Use aligned_operand.
14811 2000-01-23 Zack Weinberg <zack@wolery.cumb.org>
14813 * fixinc/fixfixes.c (fix_char_macro_uses): Correct regular
14814 expression to allow underscores in macro names.
14815 (fix_char_macro_defines): Increment scanning pointer.
14817 2000-01-23 Richard Henderson <rth@cygnus.com>
14819 * alpha/osf.h (TARGET_HAS_XFLOATING_LIBS): Define.
14820 * alpha/osf5.h: New file.
14821 * configure.in (alpha-*-osf5): Add it to tm_file.
14823 * emit-rtl.c (operand_subword): Support TFmode on a 64-bit target.
14825 * alpha-protos.h (alpha_emit_xfloating_arith): Declare.
14826 (alpha_emit_xfloating_cvt, function_arg): Declare.
14827 * alpha.c (alpha_emit_conditional_branch): Call
14828 alpha_emit_xfloating_compare for TFmode compares.
14829 (alpha_lookup_xfloating_lib_func): New.
14830 (alpha_compute_xfloating_mode_arg): New.
14831 (alpha_emit_xfloating_libcall): New.
14832 (alpha_emit_xfloating_arith): New.
14833 (alpha_emit_xfloating_compare): New.
14834 (alpha_emit_xfloating_cvt): New.
14835 (print_operand): Add default abort case.
14836 (function_arg): Mind FUNCTION_ARG_PASS_BY_REFERENCE.
14837 * alpha.h (TARGET_HAS_XFLOATING_LIBS): New.
14838 (BIGGEST_ALIGNMENT): Increase to 128 bits.
14839 (RETURN_IN_MEMORY): True for TF/TCmode.
14840 (ALPHA_ARG_SIZE): TF/TCmode is passed indirect.
14841 (FUNCTION_ARG): Move to function_arg.
14842 (FUNCTION_ARG_PASS_BY_REFERENCE): New.
14843 (ASM_OUTPUT_LONG_DOUBLE): New.
14844 (ASM_OUTPUT_DOUBLE): Always output bits.
14845 * alpha.md (addtf3, divtf3, multf3, subtf3, cmptf): New.
14846 (fix_trunctfdi2, floatditf2, floatunsditf2): New.
14847 (extenddftf2, trunctfdf2): New.
14849 2000-01-23 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
14851 * config/sparc/sol2-sld-64.h (TRANSFER_FROM_TRAMPOLINE): Moved...
14852 * config/sparc/sol2.h: ... here.
14854 2000-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14856 * basic-block.h (struct loops): New field `levels'.
14857 * flow.c (flow_loops_level_compute): Traverse all outer loops.
14858 (flow_loop_level_compute): Initialise level to 1.
14859 (flow_loops_find): Set loops->levels.
14860 (flow_loops_dump): Print loops->levels.
14862 2000-01-23 Richard Henderson <rth@cygnus.com>
14864 * libgcc2.c (dwarf_reg_size_table): Size with DWARF_FRAME_REGISTERS.
14865 (throw_helper): Iterate over DWARF_FRAME_REGISTERS.
14867 2000-01-23 Richard Henderson <rth@cygnus.com>
14869 * i386.c (dbx_register_map, svr4_dbx_register_map): New.
14870 * i386.h (DBX_REGISTER_NUMBER): Use them.
14871 * i386/beos-elf.h, i386/freebsd-elf.h, i386/i386elf.h: Likewise.
14872 * i386/linux.h, i386/osfrose.h, i386/ptx4-i.h: Likewise.
14873 * i386/rtemself.h, i386/sco5.h, i386/sysv4.h: Likewise.
14874 * i386/sequent.h: Kill incorrect comment.
14876 2000-01-23 Mark Mitchell <mark@codesourcery.com>
14878 * ggc-page.c (struct page_entry): Make `context_depth' an
14880 (struct globals): Likewise.
14882 2000-01-23 Clinton Popetz <cpopetz@cygnus.com>
14884 * loop.c (check_dbra_loop): When checking a loop for
14885 reversability, check the source of any stores to ensure
14886 they don't depend on an initial value.
14888 2000-01-23 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14890 * config/c4x/c4x.h (ASM_OUTPUT_BSS): Redefine.
14892 2000-01-22 Zack Weinberg <zack@wolery.cumb.org>
14894 * fixinc/fixincl.c: Move declarations of 'pz_fname' and
14895 'pz_scan' into scope of entire function. Only affects
14896 compiles with -DDEBUG.
14898 2000-01-22 Alan Modra <alan@SPRI.Levels.UniSA.Edu.Au>
14900 * config/elfos.h (UNIQUE_SECTION): Restore uninitialised data
14901 section naming to that prior to 2000-01-07 patch.
14902 * config/mips/elf.h (UNIQUE_SECTION): Ditto.
14903 * config/mips/elf64.h (UNIQUE_SECTION): Ditto.
14904 * config/mips/iris6gld.h (UNIQUE_SECTION): Ditto.
14905 * config/i386/interix.c (UNIQUE_SECTION): Ditto.
14906 * config/i386/winnt.c (UNIQUE_SECTION): Ditto.
14908 2000-01-22 Bernd Schmidt <bernds@cygnus.co.uk>
14910 * config/arm/arm.c (soft_df_operand): Reject SUBREGs containing a
14913 2000-01-21 Jim Wilson <wilson@cygnus.com>
14915 * fixinc/inclhack.tpl: Test for directory before trying to cd into it.
14916 * fixinc/fixincl.sh, fixinc/inclhack.sh: Regenerate.
14918 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
14920 * cpphash.c (change_newlines): Delete function.
14921 (struct argdata): Delete 'newlines' and 'use_count' fields.
14922 (macroexpand): Remove code referencing those fields.
14924 2000-01-22 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
14926 * loop.c (loops_info): New variable.
14927 (loop_optimize): Allocate loops->array and free it on exit.
14928 Allocate memory for loops_info and assign to each loop,
14930 (find_and_verify_loops): Do not allocate loops->array.
14932 2000-01-21 Zack Weinberg <zack@wolery.cumb.org>
14934 * fixinc/fixfixes.c (machine_name_fix): Don't free 'scratch'.
14936 2000-01-21 Jakub Jelinek <jakub@redhat.com>
14938 * config/sparc/sparc.md (movsi_pic_label_ref): Avoid creating new
14939 pseudos if expanded after first flow.
14940 (movdi_pic_label_ref): Likewise.
14942 2000-01-20 Richard Henderson <rth@cygnus.com>
14944 * jump.c (jump_optimize_1): Don't do addr_vec optimizations at -O0.
14946 2000-01-20 Zack Weinberg <zack@wolery.cumb.org>
14948 * Makefile.in (fixinc.sh): Depend on specs.
14949 * fixinc/Makefile.in: Add rule to create machname.h.
14950 (fixlib.o): Depend on machname.h.
14951 * fixinc/fixtests.c (machine_name): New test.
14952 * fixinc/fixfixes.c (machine_name): New fix.
14953 * fixinc/fixlib.c (mn_get_regexps): New helper function for
14954 the machine_name test and fix.
14955 * fixinc/fixlib.h: Prototype it.
14956 * fixinc/inclhack.def (machine_name): Use the C test and fix.
14957 * fixinc/fixincl.x, fixinc/inclhack.sh: Rebuild.
14959 * gcc.c (do_spec_1) [case P]: Take care not to create
14960 identifiers with three leading or trailing underscores.
14962 * fixinc/Makefile.in (FIXINC_DEFS): Add -DIN_GCC.
14963 (fixincl): Don't specify libraries twice on link line.
14964 (gnu-regex.o): Remove special rule.
14965 * fixinc/gnu-regex.c: Define REGEX_MALLOC if C_ALLOCA was
14966 defined by config.h. Do not define _REGEX_RE_COMP.
14967 (regcomp): Allocate and initialize a fastmap.
14968 * fixinc/gnu-regex.h: Do not define _REGEX_RE_COMP.
14970 2000-01-20 Brad Lucier <lucier@math.purdue.edu>
14972 * Makefile.in (predict.o): Depend on $(EXPR_H), not expr.h.
14974 2000-01-19 Richard Henderson <rth@cygnus.com>
14976 * flow.c (propagate_block): Replace FIRST, LAST and BNUM
14977 arguments with BB. Update all callers. Tidy line wrapping.
14979 2000-01-19 Clinton Popetz <cpopetz@cygnus.com>
14981 * emit-rtl.c (try_split): Return last_insn if we split the
14984 Thu Jan 20 01:01:23 MET 2000 Jan Hubicka <jh@suse.cz>
14986 * i386-protos.h (ix86_compute_frame_size): Remove prototype.
14987 (ix86_initial_elimination_offset): Declare.
14988 * i386.c (ix86_nsaved_regs): Break out from ...
14989 (ix86_can_use_return_insn_p): ... here.
14990 (ix86_emit_save_regs): Break out from ...
14991 (ix86_expand_prologue): ... here.
14992 (ix86_emit_epilogue_esp_adjustment, ix86_emit_restore_regs): Break
14994 (ix86_expand_epilogue): ... here.
14995 (ix86_compute_frame_size): Make static, add prototype.
14996 (ix86_initial_elimination_offset): Break out from ...
14997 * i386.h (INITIAL_ELIMINATION_OFFSET): ... here.
14999 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15001 * recog.h (OUT_FCN): Delete.
15003 * vax.md: Call `get_insn_template' instead of OUT_FCN.
15005 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15007 * cppalloc.c: PROTO -> PARAMS.
15008 * cpperror.c: Likewise.
15009 * cppfiles.c: Likewise.
15010 * cpplib.c: Likewise.
15011 * cpplib.h: Likewise.
15013 * config/arm/arm-protos.h: PROTO -> PARAMS.
15014 * config/arm/arm.c: Likewise.
15015 * config/c4x/c4x.c: Likewise.
15016 * config/fr30/fr30-protos.h: Likewise.
15017 * config/nextstep.c: Likewise.
15018 * config/pa/pa.c: Likewise.
15019 * config/pj/pj.c: Likewise.
15020 * config/rs6000/rs6000.c: Likewise.
15021 * config/v850/v850-protos.h: Likewise.
15022 * config/v850/v850.c: Likewise.
15024 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15026 * i370-protos.h: New file.
15028 * i370.c: Include tm_p.h. Fix compile time warnings.
15030 * i370.h: Move prototypes to i370-protos.h. Fix compile time
15033 * i370.md: Likewise.
15035 2000-01-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15037 * real.c (enan, einan, eiisnan, eiisneg, make_nan): Wrap in NANS.
15038 (target_isinf, target_isnan, eisnan): Mark parameter with
15040 (eiisinf): Wrap in INFINITY.
15041 (etoe113, etoe64, etoe53, etoe24): Wrap label `nonorm' in INFINITY.
15042 (ibmtoe): Remove unused variable `rndsav'.
15044 Wed Jan 19 20:23:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
15046 * sh.h (PASS_IN_REG_P): Remove extraneous paranthesis.
15047 (GO_IF_LEGITIMATE_ADDRESS): Added missing tab.
15049 2000-01-19 Zack Weinberg <zack@wolery.cumb.org>
15051 * fixinc/Makefile.in: Correct dependencies of fixincl and fixincl.o.
15052 * fixinc/fixfixes.c (IO_use, CTRL_use, IO_defn, CTRL_defn): New fixes.
15053 (fix_char_macro_defines, fix_char_macro_uses): New functions.
15055 * fixinc/fixlib.c (is_cxx_header): Do the text scan with a regexp.
15056 Recognize Emacs mode markers also.
15057 * fixinc/fixtests.c (else_endif_label): Fix bug in recognition of
15058 C++ comments in C++ headers. Call is_cxx_header only if
15061 * fixinc/inclhack.def (avoid_bool): Add select for the problem and
15062 bypass for ncurses.
15063 (bsd43_io_macros, io_def_quotes, ioctl_fix_ctrl): Replace with...
15064 (io_def_quotes, io_use_quotes, ctrl_def_quotes, ctrl_use_quotes):
15065 ... these, which use the new C fixes.
15066 (math_exception): Escape literal '+' in bypass expression.
15068 * fixinc/fixincl.x, fixinc/fixincl.sh, fixinc/inclhack.sh:
15071 2000-01-19 Geoff Keating <geoffk@cygnus.com>
15073 * rtlanal.c (reg_referenced_p): A CLOBBER of a MEM uses any REGs
15076 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15078 * loop.c (loop_optimize): Allocate loop_info structure for each loop
15079 prior to calling scan_loop.
15081 Wed Jan 19 19:54:38 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
15083 * sh.c (find_barrier, gen_block_redirect): Fix indentation.
15084 (split_branches, calc_live_regs): Likewise.
15086 Wed Jan 19 19:12:36 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
15088 * sh.md (fpu_single, fp_mode): New attributes.
15090 2000-01-20 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15092 * loop.c (current_loop_info): Renamed from loop_info_data
15093 and changed to a pointer.
15094 (loop_optimize): Allocate loop_info structure for each loop
15095 and initialise to zero.
15096 (scan_loop): Set current_loop_info.
15098 * unroll.c (loop_iterations): Don't abort if REG_USERVAR_P set
15101 2000-01-19 Richard Henderson <rth@cygnus.com>
15103 * stupid.c: Die die die.
15104 * Makefile.in (OBJS): Remove stupid.o.
15105 (stupid.o): Likewise.
15107 * except.c (emit_eh_context): Don't emit USEs for stupid.
15108 * explow.c (probe_stack_range): Likewise.
15109 * flags.h (obey_regdecls): Remove.
15110 * flow.c (find_basic_blocks): Don't run try_merge_blocks
15111 when not optimizing.
15112 (life_analysis): Limit data collection when not optimizing.
15113 (mark_regs_live_at_end): Always mark the return value registers.
15114 (mark_used_regs): Remove dummy RETURN case.
15115 (print_rtl_with_bb): Don't consult obey_regdecls.
15116 * function.c (use_variable, use_variable_after): Remove.
15117 (assign_parms): Consult optimize not obey_regdecls.
15118 (expand_function_start): Don't emit USEs for stupid.
15119 (expand_function_end): Likewise.
15120 * global.c (build_insn_chain): Export.
15121 * integrate.c (expand_inline_function): Kill return-value USE
15123 * jump.c (jump_optimize_1): Do simple jump optimizations and
15124 dead code elimination.
15125 (calculate_can_reach_end): Remove check_deleted argument.
15126 (delete_insn): Patch out insns even when not optimizing.
15127 * local-alloc.c (block_alloc): Don't do tying when not optimizing.
15128 * rtl.h (use_variable, use_variable_after): Remove declarations.
15129 (build_insn_chain): Declare.
15130 * stmt.c (expand_value_return): Don't emit USEs for stupid.
15131 (expand_end_bindings): Likewise.
15132 (expand_decl): Likewise. Consult optimize not obey_regdecls.
15133 * toplev.c (obey_regdecls): Remove.
15134 (rest_of_compilation): Don't set it. Kill stupid in favour of
15135 flow1, local-alloc, and reload.
15136 (main): Don't set obey_regdecls.
15138 * config/nextstep.c (handle_pragma): Likewise.
15140 * alpha/alpha.md (allocate_stack): Don't emit USEs for stupid.
15142 * arm/arm.h (CONDITIONAL_REGISTER_USAGE): Don't fix reg 0 for stupid.
15144 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15146 * alpha-protos.h: PROTO -> PARAMS.
15147 * alpha.c: Likewise.
15149 * h8300.c: Likewise.
15150 * i386-protos.h: Likewise.
15151 * i386.c: Likewise.
15152 * m32r-protos.h: Likewise.
15153 * m32r.c: Likewise.
15154 * mips.c: Likewise.
15155 * mips.md: Likewise.
15156 * gmon-sol2.c: Likewise.
15157 * sparc.c: Likewise.
15159 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15161 * ns32k-protos.h: New file.
15163 * ns32k.c: Fix compile time warnings.
15165 * ns32k.h: Move prototypes to ns32k-protos.h. Fix compile time
15168 * ns32k.md: Likewise.
15170 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15172 * vax-protos.h: New file.
15174 * vax.c: Fix compile time warnings.
15176 * vax.h: Move prototypes to vax-protos.h. Fix compile time
15179 * vax.md: Likewise.
15181 * vaxv.md: Likewise.
15183 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15185 * romp-protos.h: New file.
15187 * romp.c: Fix compile time warnings.
15189 * romp.h: Move prototypes to romp-protos.h. Fix compile time
15192 * romp.md: Likewise.
15194 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15196 * we32k-protos.h: New file.
15198 * we32k.c: Fix compile time warnings.
15200 * we32k.h: Move prototypes to we32k-protos.h. Fix compile time
15203 2000-01-18 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15205 * calls.c (emit_call_1): Mark parameter with ATTRIBUTE_UNUSED.
15207 * except.c (eh_regs): Likewise.
15209 * final.c (output_operand): Likewise.
15211 * fold-const.c (target_isinf, target_isnan): Likewise.
15213 Tue Jan 18 16:19:55 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
15215 * i386.h (BIGGEST_ALIGNMENT): Set to 128.
15216 (BIGGEST_FIELD_ALIGNMENT): Set to (TARGET_ALIGN_DOUBLE ? 64 : 32)
15218 * i386.md (memstr): Do not use rep stosb for counts divisible by 4
15219 when optimize_size.
15220 (clrstrsi): Rewrite.
15221 (strsethi, strsetqi): New expanders.
15222 (strsethi_1, strsetqi_1, rep_stossi, rep_stosqi): New insn patterns.
15223 (cmpstrsi): Emit compare insn before cmpstrsi_1
15224 (cmpstrsi_nz): use flags, set type to str, prefix_length to 1.
15225 (strlensi_1): Likewise.
15226 (cmpstrsi_1): Likewise; do not output compare.
15227 (strlen expander): Do not unroll when optimizing for size.
15228 (*subsi3_carry): Rename to subsi3_carry
15229 (addqi3_cc): New pattern.
15230 * i386.h (processor_costs): Add move_ratio field.
15231 (MOVE_RATIO): Use move_ratio field, set to 3 for OPTIMIZE_SIZE
15232 * i386.c (*_cost): Set move_ratio.
15233 (x86_unroll_strlen): Enable for Athlon, PPro and K6 too.
15234 (x86_expand_strlensi_1): Rewrite the main loop.
15236 2000-01-17 Richard Henderson <rth@cygnus.com>
15238 * combine.c (combine_simplify_rtx): Give FLOAT_STORE_FLAG_VALUE a mode.
15239 * cse.c (find_comparison_args, fold_rtx): Likewise.
15240 * integrate.c (subst_constants): Likewise.
15241 * loop.c (get_condition): Likewise.
15243 * tm.texi (FLOAT_STORE_FLAG_VALUE): Update docs.
15245 * alpha.h (FLOAT_STORE_FLAG_VALUE): Use REAL_VALUE_ATOF.
15247 2000-01-18 Martin v. Löwis <loewis@informatik.hu-berlin.de>
15249 * c-parse.in (SAVE_WARN_FLAGS): Create an INTEGER_CST.
15250 (RESTORE_WARN_FLAGS): Unpack it.
15251 Change semantic type of extension to ttype.
15252 * c-common.c (split_specs_attrs): Expect an INTEGER_CST.
15253 * c-parse.y, c-parse.c, objc/objc-parse.y,
15254 objc/objc-parse.c: Regenerate.
15256 2000-01-17 Zack Weinberg <zack@wolery.cumb.org>
15258 * fixinc/fixlib.c: Add copyright notice.
15259 (compile_re): New function.
15260 * fixinc/fixlib.h: Prototype compile_re.
15262 * fixinc/fixfixes.c, fixinc/fixtests.c, fixinc/fixincl.c:
15263 Use compile_re to compile regular expressions.
15265 * fixinc/fixincl.c (egrep_test): Don't bother asking regexec
15266 where the pattern matched.
15268 * fixinc/inclhack.def (sun_memcpy): Move to AAB_sun_memcpy,
15270 (ultrix_ansi_compat): Likewise.
15271 (interactv_add1): Rename to 'isc_omits_with_stdc', remove shell test,
15273 (interactv_add2, interactv_add3): Delete.
15274 (x11_sprintf): Don't use filename glob.
15275 * fixinc/fixincl.x, fixinc/inclhack.sh, fixinc/fixincl.sh:
15278 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15280 * print-rtl.c: PROTO -> PARAMS.
15281 * real.c: Likewise.
15282 * reg-stack.c: Likewise.
15283 * resource.c: Likewise.
15284 * sdbout.h: Likewise.
15285 * simplify-rtx.c: Likewise.
15286 * stor-layout.c: Likewise.
15287 * stupid.c: Likewise.
15288 * xcoffout.c: Likewise.
15289 * xcoffout.h: Likewise.
15291 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15293 * toplev.c: PROTO -> PARAMS.
15294 * toplev.h: Likewise.
15295 * tree.c: Likewise.
15296 * tree.h: Likewise.
15297 * unroll.c: Likewise.
15298 * varasm.c: Likewise.
15299 * varray.c: Likewise.
15300 * varray.h: Likewise.
15302 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15304 * reload.c: PROTO -> PARAMS.
15305 * reload.h: Likewise.
15306 * reload1.c: Likewise.
15307 * reorg.c: Likewise.
15308 * resource.h: Likewise.
15311 * rtlanal.c: Likewise.
15312 * sbitmap.h: Likewise.
15313 * sdbout.c: Likewise.
15314 * stack.h: Likewise.
15315 * stmt.c: Likewise.
15316 * system.h: Likewise.
15318 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15320 * machmode.h: PROTO -> PARAMS.
15321 * mbchar.h: Likewise.
15322 * mips-tdump.c: Likewise.
15323 * mips-tfile.c: Likewise.
15324 * optabs.c: Likewise.
15325 * output.h: Likewise.
15326 * prefix.c: Likewise.
15327 * profile.c: Likewise.
15328 * protoize.c: Likewise.
15329 * real.h: Likewise.
15330 * recog.c: Likewise.
15331 * recog.h: Likewise.
15332 * regclass.c: Likewise.
15333 * regmove.c: Likewise.
15334 * regs.h: Likewise.
15336 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15338 * ggc-common.c: PROTO -> PARAMS.
15339 * ggc-page.c: Likewise.
15340 * ggc-simple.c: Likewise.
15342 * global.c: Likewise.
15343 * graph.c: Likewise.
15344 * gthr-win32.h: Likewise.
15345 * haifa-sched.c: Likewise.
15346 * halfpic.h: Likewise.
15347 * integrate.c: Likewise.
15348 * integrate.h: Likewise.
15349 * jump.c: Likewise.
15351 * local-alloc.c: Likewise.
15352 * loop.c: Likewise.
15353 * loop.h: Likewise.
15355 2000-01-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15357 * genattr.c: PROTO -> PARAMS.
15358 * genattrtab.c: Likewise.
15359 * gencheck.c: Likewise.
15360 * gencodes.c: Likewise.
15361 * genconfig.c: Likewise.
15362 * genemit.c: Likewise.
15363 * genextract.c: Likewise.
15364 * genflags.c: Likewise.
15365 * gengenrtl.c: Likewise.
15366 * genopinit.c: Likewise.
15367 * genoutput.c: Likewise.
15368 * genpeep.c: Likewise.
15369 * genrecog.c: Likewise.
15371 2000-01-16 Mark Mitchell <mark@codesourcery.com>
15373 * tree.h (BINFO_VPTR_FIELD): Augment documentation.
15375 2000-01-16 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15377 * aclocal.m4 (AC_FUNC_MMAP_ZERO): New macro.
15378 * configure.in (AC_FUNC_MMAP_ZERO): Use instead of AC_FUNC_MMAP.
15379 * ggc-page.c: Replace HAVE_MMAP with HAVE_MMAP_ZERO.
15380 * configure, config.in: Rebuilt.
15382 2000-01-16 Zack Weinberg <zack@wolery.cumb.org>
15384 * config/i386/i386.md: Add peephole to merge successive stack
15387 Sat Jan 15 15:41:14 EST 2000 John Wehle (john@feith.com)
15389 * gcse.c (insert_insn_end_bb): Use emit_block_insn_before
15390 instead of emit_insn_before. Also handle NOTE_INSN_BASIC_BLOCK
15391 when walking backwards to find all the parameter loads when
15392 the basic block ends in a call.
15394 2000-01-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15396 * loop.c (this_loop_info): Delete.
15397 (uid_loop): Add in place of uid_loop_num. All uses updated.
15398 (loop_number_exit_count): Delete and replace with entry in loop
15399 structure. All uses updated.
15400 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
15401 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
15402 (loop_outer_loop): Likewise.
15403 (loop_invalid, loop_number_exit_labels): Likewise.
15404 (loop_used_count_register): Delete and replace with entry in
15405 loop_info structure.
15406 (find_and_verify_loops): Add loops argument.
15407 (verify_dominator, mark_loop_jump, prescan_loop): Replace loop_start,
15408 loop_end, etc. arguments with loop structure pointer. All callers
15410 (loop_reg_used_before_p, scan_loop, strength_reduce): Likewise.
15411 (check_dbra_loop, next_insn_in_loop, try_copy_prop): Likewise.
15412 (load_mems_and_recount_loop_regs_set, load_mems): Likewise.
15413 (insert_bct): Likewise.
15414 (basic_induction_var): New argument level.
15415 * loop.h (struct loop_info): Delete fields num, loops_enclosed,
15416 vtop, and cont. Add used_count_register.
15417 (uid_loop): Delete declaration.
15418 (loop_number_exit_count): Likewise.
15419 (loop_number_loop_starts, loop_number_loop_ends): Likewise.
15420 (loop_number_loop_cont, loop_number_cont_dominator): Likewise.
15421 (loop_outer_loop, loop_used_count_register): Likewise.
15422 (loop_invalid, loop_number_exit_labels): Likewise.
15423 (unroll_loop): Replace loop_start and loop_end arguments
15424 with loop structure pointer.
15425 (loop_precondition_p, loop_iterations): Likewise.
15426 Include basic-block.h.
15427 * unroll.c: (unroll_loop): Replace loop_start and loop_end arguments
15428 with loop structure pointer.
15429 (loop_precondition_p, loop_iterations): Likewise.
15430 * basic-block.h (struct loop): New entries vtop, cont,
15431 cont_dominator, start, end, top, scan_start, exit_labels,
15433 * Makefile.in (LOOP_H): Add basic-block.h to dependencies.
15435 2000-01-15 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
15437 * defaults.h (ASM_OUTPUT_ASCII): Use ISDIGIT.
15439 2000-01-14 Nathan Sidwell <sidwell@codesourcery.com>
15441 * config.in: Rebuilt for 2000-01-13 change to acconfig.h.
15443 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15445 * pdp11-protos.h: New file.
15447 * pdp11.c: Include tm_p.h. Add static prototypes. Fix compile
15450 * pdp11.h: Move prototypes to pdp11-protos.h. Fix compile time
15453 * pdp11.md: Likewise.
15455 * 2bsd.h: Likewise.
15457 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15459 * mn10300-protos.h: New file.
15461 * mn10300.c: Include tm_p.h. Add static prototypes. Fix compile
15464 * mn10300.h: Move prototypes to mn10300-protos.h. Fix compile time
15467 * mn10300.md: Likewise.
15469 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15471 * mn10200-protos.h: New file.
15473 * mn10200.c: Include tm_p.h. Add static prototypes. Fix compile
15476 * mn10200.h: Move prototypes to mn10200-protos.h. Fix compile time
15479 * mn10200.md: Likewise.
15481 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15483 * h8300-protos.h: New file.
15485 * h8300.c: Include tm_p.h. Add static prototypes. Fix compile
15488 * h8300.h: Move prototypes to h8300-protos.h. Fix compile time
15491 * h8300.md: Likewise.
15493 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15495 * varasm.c (asm_output_bss): Mark parameters with ATTRIBUTE_UNUSED.
15496 (asm_emit_uninitialised): Likewise.
15498 2000-01-13 Gavin Romig-Koch <gavin@cygnus.com>
15500 * config/mips/mips.h (ISA_HAS_INT_CONDMOVE): New.
15501 * config/mips/mips.md: Use ISA_HAS_INT_CONDMOVE.
15503 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
15505 * config/mips/mips.c (override_options): Don't turn on extra
15506 alignment for mips16.
15508 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
15510 * config/mips/mips.c (mips_va_arg): Fix fprv for the 32 bit
15511 eabi, and make sure queued POSTINCREMENT rtl is emitted at
15514 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
15516 * builtins.c (PAD_VARARGS_DOWN): Define.
15517 (std_expand_builtin_va_arg): Use the above macro.
15518 * config/mips/mips.h (PAD_VARARGS_DOWN): Define.
15519 * tm.texi (Register Arguments): Document the above macro.
15521 2000-01-14 Nick Clifton <nickc@cygnus.com>
15523 * emit-rtl.c (emit_insn): If checking is enabled, make sure
15524 that this function has not been used to emit a jump
15527 * jump.c (return_jump_1): Cope with being passed a null rtx.
15529 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15531 * eh-common.h: PROTO -> PARAMS.
15532 * emit-rtl.c: Likewise.
15533 * errors.c: Likewise.
15534 * errors.h: Likewise.
15535 * except.c: Likewise.
15536 * except.h: Likewise.
15537 * explow.c: Likewise.
15538 * expmed.c: Likewise.
15539 * expr.c: Likewise.
15540 * expr.h: Likewise.
15541 * final.c: Likewise.
15542 * fix-header.c: Likewise.
15543 * flow.c: Likewise.
15544 * fold-const.c: Likewise.
15545 * function.c: Likewise.
15546 * function.h: Likewise.
15548 * gcov-io.h: Likewise.
15549 * gcov.c: Likewise.
15550 * gcse.c: Likewise.
15552 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15554 * sh-protos.h: New file.
15556 * sh.c: Include insn-config.h, toplev.h, recog.h and tm_p.h.
15557 Add static prototypes. Fix compile time warnings.
15559 * sh.h: Move prototypes to sh-protos.h. Fix compile time warnings.
15563 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15565 * arc-protos.h: New file.
15567 * arc.c: Include tm_p.h. Add static prototypes. Fix compile
15570 * arc.h: Move prototypes to arc-protos.h. Fix compile time
15573 * arc.md: Likewise.
15575 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15577 * dsp16xx-protos.h: New file.
15579 * dsp16xx.c: Include tm_p.h. Add static prototypes. Fix compile
15582 * dsp16xx.h: Move prototypes to dsp16xx-protos.h. Fix compile time
15585 * dsp16xx.md: Likewise.
15587 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15589 * convex-protos.h: New file.
15591 * convex.c: Include tm_p.h. Add static prototypes. Fix compile
15594 * convex.h: Move prototypes to convex-protos.h. Fix compile time
15597 2000-01-14 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15599 * elxsi-protos.h: New file.
15601 * elxsi.c: Include tm_p.h. Add static prototypes. Fix compile
15604 * elxsi.h: Move prototypes to elxsi-protos.h. Fix compile time
15607 * elxsi.md: Likewise.
15609 2000-01-14 Clinton Popetz <cpopetz@cygnus.com>
15611 * config/mips/mips.h (REGISTER_MOVE_COST): Remove redundant
15612 case for moving from HI/LO/HI_LO_REG. This makes the behavior
15613 match the comment for MIPS16.
15615 Fri Jan 14 00:28:06 2000 Jeffrey A Law (law@cygnus.com)
15617 * flow.c (split_edge): Do not call set_block_for_insn if we
15618 do not have a basic_block_for_insn structure.
15620 * fr30.h (TRAMPOLINE_TEMPLATE): Use nops to ensure the static chain
15621 and destination functions are 32bit aligned within the trampoline.
15622 (TRAMPOLINE_SIZE, INITIALIZE_TRAMPOLINE): Corresponding changes.
15623 (TRAMPOLINE_ALIGNMENT): Define.
15625 * cse.c (cse_insn): When changing (set (pc) (reg)) to
15626 (set (pc) (label_ref)), verify the change creates a valid insn.
15628 * fr30.c (call_operand): Tighten and rework to match rules for
15629 call RTL expressions.
15630 * fr30.h (PREDICATE_CODES, case call_operand): Only allow MEMs.
15631 * fr30.md (call patterns): Improve constraints.
15633 Thu Jan 13 23:44:03 2000 Richard Henderson <rth@cygnus.com>
15635 * fr30.c (fr30_expand_epilogue): Revert last change.
15636 Use emit_jump_insn for the return insn.
15638 Thu Jan 13 14:46:03 2000 Jason Eckhardt <jle@cygnus.com>
15639 Stan Cox <scox@cygnus.com>
15641 * predict.c: New file. Preliminary infrastructure work for static
15642 branch prediction and basic block reordering.
15643 * basic-block.h: Add prototype for estimate_probability.
15644 * Makefile.in: Add rules for predict.o.
15646 2000-01-13 Jason Merrill <jason@yorick.cygnus.com>
15648 * fixincludes (va_list): Use __not_va_list__ for the dummy.
15649 * fixinc/*: Likewise.
15651 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15653 * cccp.c: PROTO -> PARAMS.
15654 * cexp.y: Likewise.
15655 * collect2.c: Likewise.
15656 * combine.c: Likewise.
15657 * convert.h: Likewise.
15659 * dbxout.c: Likewise.
15660 * dbxout.h: Likewise.
15661 * diagnostic.c: Likewise.
15662 * doprint.c: Likewise.
15663 * dwarf2out.c: Likewise.
15664 * dwarf2out.h: Likewise.
15665 * dwarfout.c: Likewise.
15666 * dwarfout.h: Likewise.
15667 * dyn-string.h: Likewise.
15669 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15671 * calls.c (emit_call_1): Wrap varaible `struct_value_size_rtx' in
15672 macro conditionals guarding use.
15674 * dwarf2out.c: Include "tm_p.h".
15676 * function.c (locate_and_pad_parm): Mark parameter with
15678 (expand_function_end): Likewise for variable `context'.
15680 * reorg.c (make_return_insns): Wrap prototype in macro HAVE_return.
15682 2000-01-13 Nick Clifton <nickc@cygnus.com>
15684 * config/fr30/fr30.c (fr30_expand_epilogue): Emit USEs of pop'ed
15685 register to prevent compile time warnings.
15687 2000-01-13 Zack Weinberg <zack@wolery.cumb.org>
15689 * longlong.h [i386] (udiv_qrnnd): Rename 'd' argument to 'dv'
15690 to avoid -Wtraditional warning.
15692 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15694 * 1750a-protos.h: New file.
15696 * 1750a.c: Include tm_p.h. Add static prototypes. Fix compile
15699 * 1750a.h: Move prototypes to 1750a-protos.h. Fix compile time
15702 * 1750a.md: Likewise.
15704 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15706 * a29k-protos.h: New file.
15708 * a29k.c: Include tm_p.h. Add static prototypes. Fix compile
15711 * a29k.h: Move prototypes to a29k-protos.h. Fix compile time
15714 2000-01-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15716 * clipper-protos.h: New file.
15718 * clipper.c: Include tm_p.h. Add static prototypes. Fix compile
15721 * clipper.h: Move prototypes to clipper-protos.h. Fix compile time
15724 Thu Jan 13 16:03:06 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
15726 * reload1.c (reload_combine_note_store): Use HARD_REGNO_NREGS.
15728 2000-01-13 Nathan Sidwell <sidwell@codesourcery.com>
15730 * configure.in (--enable-new-gxx-abi): New option.
15731 * acconfig.h (ENABLE_NEW_GXX_ABI): New define.
15732 * Makefile.in (GXX_ABI_FLAG): New variable.
15733 * configure: Regenerate.
15735 2000-01-13 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
15737 * stor-layout.c (layout_type): Use FORCE_STRUCT_BLK.
15738 * tm.texi (FORCE_STRUCT_BLK): Document.
15739 * config/c4x/c4x.h (FORCE_STRUCT_BLK): New macro.
15741 Wed Jan 12 23:12:47 2000 Hans-Peter Nilsson <hp@axis.com>
15743 * config/ns32k/ns32k.md: Revert Jan 9 change.
15745 * genrecog.c (maybe_both_true_2): Do not compare a predicate-test
15746 to a mode-test, if the predicate is address_operand.
15748 Wed Jan 12 22:34:00 2000 Jeffrey A Law (law@cygnus.com)
15750 * combine.c (if_then_else_cond): Be careful about what kinds
15751 of RTL expressions are passed to operand_subword.
15753 * flow.c (split_edge): If we have to insert a new jump, make
15754 sure to associate it with a basic block.
15756 * flow.c (commit_one_edge_insertion): A block with one successor
15757 can end in a JUMP_INSN that is not a simplejump.
15759 2000-01-12 Robert Lipe <robertl@sco.com>
15761 * i386/sco5.h (INIT_SECTION_ASM_OP_COFF): Rename section to "ctor".
15762 (BUILD_VA_LIST_TYPE): Define.
15763 (EH_FRAME_SECTION_ASM_OP): Explictly define to better interact
15766 2000-01-12 Jason Merrill <jason@casey.cygnus.com>
15768 * cccp.c (do_pragma): Add cast to (char *).
15770 2000-01-12 Richard Henderson <rth@cygnus.com>
15771 Fred Fish <fnf@be.com>
15772 Jason Merrill <jason@cygnus.com>
15774 * configure.in (i?86-*-beos{pe,elf,}*): Recognize.
15775 * i386/t-beos, i386/x-beos, i386/xm-beos.h: New files.
15776 * i386/beos-elf.h, i386/beos-pe.h: New files.
15778 * Makefile.in (CROSS_SYSTEM_HEADER_DIR): New.
15779 * cross-make (SYSTEM_HEADER_DIR): Define using
15780 CROSS_SYSTEM_HEADER_DIR.
15782 * gcc.c (LIBRARY_PATH_ENV): Provide default.
15783 (process_command): Use it.
15784 (main): Likewise. Kill trailing = from env vars.
15785 (build_search_list): Put it back.
15786 * collect2.c (main): Use LIBRARY_PATH_ENV.
15788 * configure.in (GCC_NEED_DECLARATIONS): Add environ.
15789 * toplev.c: Use NEED_DECLARATION_ENVIRON.
15791 * tm.texi (Frame Layout): Document SMALL_STACK.
15792 * c-common.c (c_common_nodes_and_builtins): Check it.
15794 * system.h: Undef alloca after including glibc's <stdlib.h>,
15795 if USE_C_ALLOCA is defined.
15797 * gcc.c (set_input): New fn.
15798 (main): After all input files are compiled, reset the input file
15801 * aclocal.m4 (rindex, index): If already defined, don't attempt
15804 * ginclude/varargs.h: (__va_list__): Define ifndef.
15805 * ginclude/stdarg.h: Likewise.
15807 * ginclude/stddef.h (__WCHAR_TYPE__) [BEOS]: Use int
15808 instead of unsigned char.
15810 * hash.h (true, false, boolean): Undef before enum.
15812 * expmed.c (choose_multiplier): Cast &mhigh_lo and &mhigh_hi to be
15813 proper type of "HOST_WIDE_INT *", rather than their natural type of
15814 "unsigned HOST_WIDE_INT *".
15816 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15818 * svr3.h (ASM_FILE_START): Wrap if-clause in squigly brackets.
15820 * recog.c (memory_address_p): Mark parameter with ATTRIBUTE_UNUSED.
15822 * regclass.c (choose_hard_reg_mode): Likewise.
15824 * reload.c (find_valid_class, strict_memory_address_p): Likewise.
15826 * reorg.c (optimize_skip): Wrap prototype in macro conditionals.
15828 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15830 * c-common.c: PROTO -> PARAMS.
15831 * c-common.h: Likewise.
15832 * c-decl.c: Likewise.
15833 * c-iterate.c: Likewise.
15834 * c-lang.c: Likewise.
15835 * c-lex.c: Likewise.
15836 * c-lex.h: Likewise.
15837 * c-parse.in: Likewise.
15838 * c-pragma.c: Likewise.
15839 * c-pragma.h: Likewise.
15840 * c-tree.h: Likewise.
15841 * c-typeck.c: Likewise.
15842 * objc/objc-act.c: Likewise.
15843 * objc/objc-act.h: Likewise.
15845 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15847 * m88k-protos.h: New file.
15849 * m88k.c: Include tm_p.h. Add static prototypes. Fix compile
15852 * m88k.h: Move prototypes to m88k-protos.h. Fix compile time warnings.
15854 * m88k.md: Likewise.
15856 * tekXD88.h: Likewise.
15858 2000-01-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15860 * m68k-protos.h: New file.
15862 * m68k.c: Include tm_p.h. Add static prototypes. Fix compile
15865 * m68k.h: Move prototypes to m68k-protos.h. Fix compile time warnings.
15867 * mot3300.h: Likewise.
15869 2000-01-12 Richard Earnshaw <rearnsha@arm.com>
15871 * haifa-sched.c (split_edges): Pass edgeset_size as second arg to
15873 (extract_bitlist): Declare bitlen.
15875 2000-01-12 Zack Weinberg <zack@wolery.cumb.org
15877 * cccp.c: Accept and ignore -lang-fortran.
15879 * c-typeck.c (build_c_cast): Issue -Wcast-qual warnings if the
15880 qualifiers don't match at any level of pointerness.
15882 2000-01-12 Robert Lipe <robertl@sco.com>
15884 * i386/sysv5.h (CPP_SPEC, LIBSPEC): Add -pthreadT.
15886 2000-01-12 Bernd Schmidt <bernds@cygnus.co.uk>
15888 * reload1.c (reload_reg_unavailable): New static variable.
15889 (reload_reg_free_p): Test it.
15890 (reload_reg_free_for_value_p): Test it instead of
15892 (choose_reload_regs_init): Compute it.
15894 Wed Jan 12 03:24:41 2000 Toshiyasu Morita (toshi.morita@sega.com)
15896 * reorg.c (fill_slots_from_thread): Check modified_in_p
15899 Wed Jan 12 03:20:31 2000 John Marshall <john_w_marshall@palm.com>
15901 * gcc.texi (Funding, GNU/Linux, Copying, Contributors): Format
15902 these nodes even if INTERNALS is not set.
15904 Wed Jan 12 09:39:22 2000 Nick Burrett <nick.burrett@btinternet.com>
15906 * gcse.c (delete_null_pointer_checks_1): Cope when
15907 get_condition cannot determine the condition.
15909 2000-01-12 Gabriel Dos Reis <gdr@codesourcery.com>
15911 * toplev.h (set_message_length): Declare.
15913 * diagnostic.c (obstack_chunk_alloc): Define macro.
15914 (obstack_chunk_free): Likewise.
15915 (struct output_buffer): New data structure.
15916 (vmessage): Remove.
15917 (output_maximum_width): New variable.
15918 (doing_line_wrapping, set_message_length, init_output_buffer,
15919 get_output_prefix, output_space_left, emit_output_prefix,
15920 output_newline, output_append, output_puts, dump_output,
15921 vbuild_message_string, build_message_string, build_location_prefix,
15922 voutput_notice, output_printf, line_wrapper_printf,
15923 vline_wrapper_message_with_location): New functions. Implement
15924 automatic line wrapping.
15925 (v_message_with_decl): Make it handle automatic line wrapping.
15926 (v_error_with_file_and_line): Likewise.
15927 (v_warning_with_file_and_line): Likewise.
15928 (announce_function): Likewise.
15929 (default_print_error_function): Likewise.
15931 2000-01-11 16:24 -0800 Zack Weinberg <zack@wolery.cumb.org>
15933 * cpplib.h (struct cpp_options): Change lang_asm to char.
15935 * cppinit.c (builtin_array): Take out __STDC_VERSION__, it's
15936 done in cpp_handle_option now.
15937 (initialize_builtins): Take out special case code used only by
15939 (cpp_handle_option): Turn off trigraphs and trigraph warnings
15940 if -traditional. Recognize -lang-fortran and set
15941 lang_fortran, also turn off cplusplus_comments.
15942 (print_help): Document -lang-fortran.
15943 * cpplib.c (handle_directive): Ignore `# 123 "file"' if
15944 lang_asm. Ignore all directives other than `# 123 "file"' if
15946 (cpp_get_token): If -traditional, don't recognize directives
15947 unless the # is in column 1.
15948 (parse_string): If lang_fortran or lang_asm, silently
15949 terminate strings ('' or "") at end of line.
15950 Remove unnecessary braces.
15952 2000-01-11 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
15953 Richard Henderson <rth@cygnus.com>
15955 * resource.c (mark_referenced_resources): Mark a set strict_low_part
15957 * config/i386/i386.c (ix86_expand_setcc): Re-enable clear + set
15958 strict_low_part when possible.
15960 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15962 * alias.c: PROTO -> PARAMS.
15963 * basic-block.h: Likewise.
15964 * bitmap.c: Likewise.
15965 * bitmap.h: Likewise.
15966 * builtins.c: Likewise.
15967 * c-aux-info.c: Likewise.
15968 * caller-save.c: Likewise.
15969 * calls.c: Likewise.
15971 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15973 * Makefile.in (toplev.o): Depend on regs.h.
15975 * output.h (tdesc_section): Prototype.
15977 * regclass.c (copy_cost): Mark parameters with ATTRIBUTE_UNUSED.
15979 * sdbout.c: Include "tm_p.h".
15981 * toplev.c: Include "regs.h".
15983 Tue Jan 11 11:37:58 2000 Mike Stump <mrs@wrs.com>
15985 * unroll.c (unroll_loop): Add EH support.
15987 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
15989 * pa-protos.h: New file.
15991 * pa.c: Include recog.h and tm_p.h.
15992 (compute_zdepwi_operands, compute_movstrsi_length,
15993 remove_useless_addtr_insns, store_reg, load_reg, set_reg_plus_d,
15994 find_addr_reg, import_milli): Add static prototypes.
15995 (pa_cpu_string, pa_arch_string): Constify a char*.
15996 (legitimize_pic_address): Pass argument `mode' to pic_label_operand.
15997 (read_only_operand): Add argument `mode'.
15998 (singlemove_string, output_move_double, output_fp_move_double,
15999 output_block_move, output_and, output_ior, output_ascii,
16000 remove_useless_addtr_insns, milli_names, output_mul_insn,
16001 output_div_insn, output_mod_insn, output_arg_descriptor,
16002 output_cbranch, output_bb, output_bvb, output_dbra, ,
16003 output_millicode_call, output_call, hppa_encode_label,
16004 output_parallel_movb, output_parallel_addb): Constify a char*.
16005 (hppa_va_start): Mark parameter `stdarg_p' with ATTRIBUTE_UNUSED.
16006 (output_parallel_addb): Remove extra arg to `constrain_operands'
16008 * pa.h: Move all prototypes to pa-protos.h.
16009 (pa_cpu_string, pa_arch_string): Constify a char*.
16010 (LEGITIMIZE_ADDRESS): Call `symbolic_operand' with mode argument.
16012 * pa.md: Call `function_label_operand' with mode argument.
16013 Likewise for `read_only_operand'.
16014 Fix nesting of parens in call to `symbolic_operand'.
16016 2000-01-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16018 * i860-protos.h: New file.
16020 * i860.c: Include tm_p.h. Add static prototypes. Fix compile
16023 * i860.h: Move prototypes to i860-protos.h. Fix compile time warnings.
16025 * i860.md: Likewise.
16027 Tue Jan 11 18:59:35 MET 2000 Jan Hubicka <jh@suse.cz>
16029 * i386.md (movstrsi expander): Rewrite.
16030 (movstrsi_1 insn): Deleted.
16031 (strmovhi, strmovqi expander): New expanders.
16032 (movshi_1, movsqi_1, rep_movsi, rep_movqi): New patterns.
16033 * i386.c (x86_single_stringop): New global variable.
16034 * i386.h (x86_single_stringop): Declare.
16035 (TARGET_SINGLE_STRINGOP): New macro.
16037 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
16039 * config/mips/mips.c (mips_va_arg): For EABI, emit the queued
16040 integer vararg POSTINCREMENT before the destination of the jump
16041 for the hard fp case.
16042 (function_arg_pass_by_reference): Pass a copy of CUM to
16045 * config/mips/mips.h (GO_IF_LEGITIMATE_ADDRESS): Move check
16046 for CONSTANT_ADDRESS_P above while loop for subreg.
16048 2000-01-11 Clinton Popetz <cpopetz@cygnus.com>
16050 * flow.c (propagate_block): When a prologue/epilogue insn
16051 is marked dead, unconditionally clear libcall_is_dead and
16052 insn_is_dead, and only dump rtl if warnings aren't being
16055 Tue Jan 11 16:26:47 MET 2000 Jan Hubicka <jh@suse.cz>
16057 * i386.c (ix86_attr_length_default): Handle TYPE_STR and TYPE_CLD.
16058 * i386.md (FIRST_PSEUDO_REGISTER): Set to 20.
16059 (FIXED_REGISTERS): Set dirflag as fixed.
16060 (CALL_USED_REGISTERS): Set dirflag as used.
16061 (REG_ALLOC_ORDER): Set dirflag as last one.
16062 (DIRFLAG_REG): New macro.
16063 (MD_ASM_CLOBBERS): Asm clobber dirflag for backward compatibility.
16064 (HI_REGISTER_NAMES): Add dirflag.
16065 (DEBUF_PRINT_REG): Handle dirflag.
16066 * i386.md (type attribute): New cld and str types.
16067 (length_opcode attribute): Set cld and str to 1.
16068 (memory attribute): Set str to unknown - it is not clear from the
16070 (pent_np function unit): Prefixed string operations takes 12 cycles
16071 minimally; cld takes 2 cycles.
16072 (ppro_uops attribute): Str is "many" and cld is "few".
16073 (ppro_p0 unit): Handle cld here.
16074 (k6_alux unit): Handle cld and str types.
16075 (k6_load unit): It is ocupied by str opcodes.
16076 (k6_store unit): It is ocupied by str opcodes.
16077 (athlon_decode): Str is vector decoded.
16078 (athlon_ieu): Handle str and cld.
16079 (cld pattern): New.
16080 (movstrsi, clrstr, cmpstr, strlen expander): Emit cld instruction
16081 (movstrsi_1, clrstrsi_1, cmpstrsi_1, strlensi_1,
16082 cmpstrsi_nz_1 insn): Do not output cld instruction
16084 Tue Jan 11 06:14:39 2000 David Starner <dstarner98@aasaa.ofe.org>
16086 * gcc.texi (G++ and GCC): Add Java and Chill.
16087 (Bug Critera): Don't list languages.
16089 * gcc.texi (Incompatibilities): No longer claim most C compilers
16092 * gcc.texi (G++ and GCC): Update other front-ends list.
16094 Tue Jan 11 05:49:01 2000 Jeffrey A Law (law@cygnus.com)
16096 * i386.c (ix86_expand_setcc): Fix typo.
16097 (ix86_expand_movcc): Similarly.
16099 * Band-aid until haifa's bitset implementation is nuked.
16100 * haifa-sched.c (extract_bitlst): New parameter for size of the
16101 bitset in bits. All callers changed. Avoid looking at undefined
16102 bits in the bitset.
16103 (edgeset_bitsize): New variable.
16104 (schedule_region): Initialize edgeset_bitsize.
16106 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16108 * Makefile.in (optabs.o): Depend on real.h
16109 (resource.o): Depend on insn-attr.h
16111 * builtins.c (result_vector): Wrap prototype in macro conditions
16112 governing definition and use.
16114 * c-common.c: Include tm_p.h.
16116 * c-lex.c: Likewise.
16118 * elfos.h: Constify a char*.
16120 * final.c (align_fuzz): Wrap prototype in macro HAVE_ATTR_length.
16121 (get_attr_length, shorten_branches, profile_after_prologue): Mark
16122 parameter with ATTRIBUTE_UNUSED.
16124 * fold-const.c (exact_real_inverse): Wrap variable `i' in
16127 * haifa-sched.c (schedule_insns): Mark parameter with
16130 * optabs.c: Include real.h.
16132 * real.h (ereal_atof): Add prototype arguments.
16134 * resource.c: Include insn-attr.h.
16136 * sdbout.c (sdbout_queue_anonymous_type,
16137 sdbout_dequeue_anonymous_types): Wrap in macro
16138 SDB_ALLOW_FORWARD_REFERENCES.
16139 (sdbout_init, sdbout_start_new_source_file): Mark parameter with
16142 * stmt.c (expand_return): Wrap variable `op0' in macro HAVE_return.
16144 * stupid.c: Include tm_p.h.
16146 * tree.c (real_value_from_int_cst): Mark parameter with
16149 2000-01-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16151 * i960-protos.h: New file.
16153 * i960.c: Include tm_p.h. Add static prototypes. Fix compile
16156 * i960.h: Move prototypes to i960-protos.h. Fix compile time warnings.
16158 2000-01-10 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16160 * combine.c (expand_field_assignment): Do not discard SUBREGs
16161 while computing nonzero_bits.
16163 2000-01-09 Nick Clifton <nickc@cygnus.com>
16165 * config/arm/arm.c: Fix compile time warnings about signed vs
16166 unsigned constants.
16167 * config/arm/arm.h: Fix compile time warnings about signed vs
16168 unsigned constants.
16170 2000-01-09 Philip Blundell <philb@gnu.org>
16172 * config/arm/arm.c (output_return_instruction): Use `ldr' rather
16173 than `ldm' with only one register.
16174 * config/arm/arm.md (push_multi): Use `str' rather than `stm' with
16177 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Say that R0 is
16180 Sun Jan 9 17:50:23 2000 Hans-Peter Nilsson <hp@axis.com>
16182 * config/ns32k/ns32k.md (load or push effective address): Operand 1
16185 2000-01-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16187 * elfos.h (ASM_OUTPUT_LIMITED_STRING): Add parentheses around
16188 assignment used as truth value.
16190 * function.c (assign_temp): Mark parameter `dont_promote' with
16191 ATTRIBUTE_UNUSED. Wrap variable `unsignedp' with macro
16192 PROMOTE_FOR_CALL_ONLY.
16194 * genrecog.c (write_subroutine): Mark variable `operands' with
16197 * optabs.c (prepare_cmp_insn): Mark parameter `align' with
16200 * sdbout.c (sdbout_init): Likewise for parameter `asm_file'.
16201 (sdbout_begin_block, sdbout_end_block): Likewise for `file'.
16203 * toplev.c (note_deferral_of_defined_inline_function): Likewise
16206 2000-01-09 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16208 * config/c4x.h: Tidy up comments.
16209 * config/c4x.c: Likewise.
16211 Sun Jan 9 01:02:55 EST 2000 John Wehle (john@feith.com)
16213 * fold-const.c (lshift_double, rshift_double): Handle
16214 shifting by 2 * HOST_BITS_PER_WIDE_INT correctly.
16216 2000-01-08 Alexandre Oliva <oliva@lsd.ic.unicamp.br>
16218 * toplev.c (rest_of_compilation): Initialize cse_not_expected as
16219 in prepare_function_start().
16221 Sat Jan 8 12:12:46 2000 Nick Clifton <nickc@cygnus.com>
16223 * config/v850/v850.c (expand_epilogue): Interrupt functions no
16224 longer allocate extra stack for function calls.
16226 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16228 * config/c4x/c4x.md (*subqf3_set): Fix typo.
16230 2000-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16232 * config/c4x/c4x.h (CALLER_SAVE_PROFITABLE): Define as 0.
16234 2000-01-07 David Edelsohn <edelsohn@gnu.org>
16236 * rs6000.c (processor_target_table): Add power3 as alias for 630.
16237 * aix43.h: Revert Aug 2 change.
16238 (HAS_INIT_SECTION): Define, not visible yet.
16239 (LD_INIT_SWITCH): Define, not visible yet.
16240 * t-aix43 (MULTILIB_OPTIONS): Revert Aug 2 change.
16242 * glimits.h (__LONG_MAX__): Recognize 64-bit AIX too.
16244 * collect2.c (main): Expand ld2 size further.
16245 (export_object_lst): Cast assignment to avoid warning.
16246 (main, LD_INIT_SWITCH): Add AIX 4.2+ -binitfini support.
16247 (scan_prog_file, COFF): Do not collect initialization or
16248 finalization functions generated for entire shared object if
16249 init/fini support present.
16251 2000-01-07 Nick Clifton <nickc@cygnus.com>
16253 * config/elfos.h: Tidy up formatting of marcos. Make sure
16254 that .section directives are always prefixed by a tab.
16256 * config/svr4.h: Add #include "elfos.h" and remove duplicate
16259 2000-01-07 Matt Austern <austern@sgi.com>
16261 * fold-const.c (real_hex_to_f): Remove duplicate declaration of
16264 Fri Jan 7 01:55:34 2000 Jeffrey A Law (law@cygnus.com)
16266 * Makefile.in (crtend.o): Pass @inhibit_libc@ to compilation of
16268 (crtbegin.o, s-crtS): Likewise.
16270 2000-01-06 Richard Henderson <rth@cygnus.com>
16272 * alpha.md (adddi_2+1): Limit offset such that it will be
16273 loadable with a single ldah+lda pair.
16274 (adddi_2+2): Explicitly fail split if we can't make it work.
16276 2000-01-06 Mumit Khan <khan@xraylith.wisc.edu>
16278 * protoize.c: Conditionally include unistd.h.
16279 (IS_SAME_PATH_CHAR): New macro.
16280 (IS_SAME_PATH): New macro.
16281 (CPLUS_FILE_SUFFIX): New macro.
16282 (cplus_suffix): New static variable.
16283 (is_abspath): New static function.
16284 (in_system_include_dir): Handle DOS style pathnames.
16285 (file_could_be_converted): Likewise.
16286 (file_normally_convertible): Likewise.
16287 (directory_specified_p): Likewise.
16288 (file_excluded_p): Likewise.
16289 (abspath): Likewise.
16290 (shortpath): Likewise.
16291 (referenced_file_is_newer): Likewise.
16292 (save_def_or_dec): Likewise.
16293 (do_processing): Likewise.
16295 (edit_file): Likewise. Use rename instead of link.
16296 (rename_c_file): Likewise. Don't rename syscalls file.
16297 (munge_compile_params): Define null device for DOS based systems.
16298 (process_aux_info_file): Use binary mode if appliable.
16299 (edit_file): Likewise.
16300 * invoke.texi (Running Protoize): Document C++ suffixes used.
16302 * cccp.c: Delete PATH_SEPARATOR, DIR_SEPARATOR and
16303 IS_DIR_SEPARATOR macros.
16304 * collect2.c: Likewise.
16305 * cppinit.c: Likewise.
16306 * dwarf2out.c: Likewise.
16308 * gcov.c: Likewise.
16309 * prefix.c: Likewise.
16311 * toplev.c: Likewise.
16312 * system.h: And move to here.
16314 * prefix.c (update_path): Fix typo in variable name.
16316 2000-01-06 Richard Henderson <rth@cygnus.com>
16318 * flow.c (mark_set_1): Use loop_depth+1 as reference weight.
16319 (find_auto_inc, mark_used_regs, try_pre_increment_1): Likewise.
16320 (count_reg_sets_1, count_reg_references): Likewise.
16321 (flow_loops_level_compute): Start counting actual loop depth at 1.
16322 (flow_loops_find): Likewise.
16323 * local-alloc.c (update_equiv_regs): Likewise.
16324 * regclass.c (regclass): Re-instate Jan 4 0-based loop_depth change.
16326 2000-01-06 Gabriel Dos Reis <dosreis@cmla.ens-cachan.fr>
16328 * defaults.h (DWARF_FRAME_REGISTERS): if not defined, default to
16329 FIRST_PSEUDO_REGISTER
16330 * dwarf2out.c: Don't include frame.h
16331 * dwarfout.c: Likewise
16332 * Makefile.in (dwarfout.o, dwarf2out.o): Remove dependence on
16335 Thu Jan 6 13:44:59 CET 2000 Jan Hubicka <jh@suse.cz>
16337 * reg-stack.c (subst_stack_regs_pat): Handle correctly USEs of
16340 * i386.c (movsf splitter): Fix typo in my last checkin.
16342 2000-01-05 Nick Clifton <nickc@cygnus.com>
16344 * varasm.c (IN_NAMED_SECTION): Allow targets to provide their
16345 own definition of this macro.
16346 (asm_emit_uninitialised): Invoke UNIQUE_SECTION if either
16347 flag_data_sections or UNIQUE_SECTION_P are true.
16349 * tm.texi (UNIQUE_SECTION): Document that it can be called for
16350 unitialised data decls.
16352 * config/i386/winnt.c (i386_pe_unique_section): Cope with
16353 being called for uninitialised data.
16355 * config/i386/interix.c (i386_pe_unique_section): Cope with
16356 being called for uninitialised data.
16358 * config/mips/elf.h (UNIQUE_SECTION): Cope with being called
16359 for uninitialised data.
16361 * config/mips/elf64.h (UNIQUE_SECTION): Cope with being called
16362 for uninitialised data.
16364 * config/mips/iri6gld.h (UNIQUE_SECTION): Cope with being called
16365 for uninitialised data.
16367 * config/arm/unknown-elf.h (IN_NAMED_SECTION): Define.
16368 (UNIQUE_SECTION_P): Always generate a unique section if
16369 flag_data_sections is true.
16370 (UNIQUE_SECTION): Also generate unique sections for
16371 uninitialised data.
16372 (ASM_OUTPUT_ALIGNED_BSS): Redefine to use named_section().
16373 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Redefine to use
16376 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16378 * config/c4x/t-c4x (TARGET_LIBGCC2_CFLAGS): Don't redefine SF, DF,
16381 2000-01-06 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16383 * config/c4x/c4x.md (udivqi3, divqi3): Delete.
16384 (umodqi3, modqi3, udivhi3, divhi3, umodhi3, modhi3, ffsqi2): Likewise.
16385 (*smulqi3_highpart_noclobber, *umulqi3_highpart_noclobber): New.
16386 (*lshrqi3_const_noclobber, *lshrqi3_nonconst_noclobber): Likewise.
16387 (*ashrqi3_const_noclobber, *ashrqi3_nonconst_noclobber): Likewise.
16389 * c4x.h (INIT_TARGET_OPTABS): Define to init libcalls.
16391 2000-01-05 11:25 -0800 Zack Weinberg <zack@rabi.columbia.edu>
16393 * c-decl.c (finish_enum): Simplify code to determine minimum and
16394 maximum values of the enum, and calculate the type. Remove check
16395 for FUNCTION_DECLs in the values list, which cannot happen. Replace
16396 the DECL_INITIAL of each enumeration constant with a copy converted
16397 to the enumeration type. When updating variant types, don't bother
16398 updating the type itself.
16400 * c-typeck.c (build_binary_op): Simplify conditional expressions
16401 when weeding out spurious signed-unsigned warnings. Add new
16402 spurious warning category: if the unsigned quantity is an enum
16403 and its maximum value fits in signed_type(result_type). Update
16405 (build_conditional_expr): Warn here if one alternative is signed
16406 and the other is unsigned.
16408 2000-01-05 Nick Clifton <nickc@cygnus.com>
16410 * config/fr30/fr30.h: Remove extraneous comments.
16412 2000-01-05 Bernd Schmidt <bernds@cygnus.co.uk>
16414 * reload1.c (choose_reload_regs): When disabling a reload, also
16415 set reload_spill_index to -1.
16417 2000-01-04 Joel Sherrill (joel@OARcorp.com>
16419 * configure.in (m68*-*-rtemscoff*): New target, formal name for
16421 (m68*-*-rtemself*): New target.
16422 (mips64orion-*-rtems*): Remove duplicate definition of tm_file.
16423 (sparc*-*-rtemsaout*): New target, formal name for old sparc*-*-rtems*.
16424 (sparc*-*-rtemself*): New target.
16425 (sparc*-*-rtems*): Now elf not a.out.
16426 * config/i386/rtems.h: Include config/rtems.h.
16427 * config/i386/rtemself.h: Include config/rtems.h.
16428 * config/i960/rtems.h: Include config/rtems.h.
16429 * config/m68k/rtems.h: Include config/rtems.h.
16430 * config/m68k/rtemself.h: Include config/rtems.h.
16431 * config/mips/rtems64.h: Include config/rtems.h.
16432 * config/pa/rtems.h: Include config/rtems.h.
16433 * config/rs6000/rtems.h: Include config/rtems.h.
16434 * config/sh/rtems.h: Include config/rtems.h.
16435 * config/sh/rtemself.h: Include config/rtems.h.
16436 * config/sparc/rtems.h: Include config/rtems.h.
16437 * config/sparc/rtemself.h: Include config/rtems.h
16439 Tue Jan 4 23:59:26 2000 Denis Chertykov <denisc@overta.ru>
16441 * final.c (shorten_branches): Correctly compute length of
16442 asms without operands.
16444 Tue Jan 4 22:55:41 2000 Steve Chamberlain <sac@pobox.com>
16446 * configure.in: Add pj target.
16447 * configure: Regenerate.
16448 * config/pj: New directory.
16449 * config/pj/lib1funcs.S: New file.
16450 * config/pj/linux.h: New file.
16451 * config/pj/pj.c: New file.
16452 * config/pj/pj.md: New file.
16453 * config/pj/pjl.h: New file.
16454 * config/pj/t-pj: New file.
16455 * config/pj/xm-pj.h: New file
16457 Tue Jan 4 22:30:16 2000 Jeffrey A Law (law@cygnus.com)
16459 * toplev.c (rest_of_compilation): Run shorten-branches before
16462 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16464 * config/c4x/c4x.h (IS_XXX_REG, IS_XXX_REGNO): Swap behaviour of
16465 macros so that they're consistent with their names.
16466 * config/c4x/c4x.c (IS_XXX_REG, IS_XXX_REGNO): Likewise.
16467 * config/c4x/c4x.md (IS_XXX_REG, IS_XXX_REGNO): Likewise.
16469 2000-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
16471 * config/c4x/c4x.md (*addqi3_noclobber_reload): Ensure that CC never
16472 modified inadvertently.
16474 2000-01-04 Joel Sherrill <joel@OARcorp.com>
16476 * configure.in (v850*-*-rtems*): New target.
16477 * configure: Regenerate.
16478 * config/v850/rtems.h: New file.
16480 2000-01-04 Mumit Khan <khan@xraylith.wisc.edu>
16482 * gthr-win32.h (__gthread_active_p): Support Mingw MT runtime.
16483 (__gthread_key_create): Likewise.
16484 (__gthread_key_dtor): Likewise.
16485 (__gthread_once): Fix logic.
16486 (__gthread_key_delete): Cast away constness.
16488 * i386/cygwin.h (SUBTARGET_SWITCHES): Add -mthreads option.
16489 * invoke.texi: Document.
16490 * i386/mingw32.h (CPP_SPEC): Use.
16491 (LIBGCC_SPEC): Likewise.
16492 * i386/crtdll.h (LIBGCC_SPEC): Likewise.
16494 2000-01-04 David Edelsohn <edelsohn@gnu.org>
16496 * rs6000/sysv4.h (ASM_OUTPUT_DEF): Undefine.
16497 (HANDLE_PRAGMA_PACK): Undefine.
16498 (SLOW_UNALIGNED_ACCESS): Define.
16500 2000-01-04 David Edelsohn <edelsohn@gnu.org>
16502 * expmed.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
16503 to default definition.
16504 (store_bit_field): Call SLOW_UNALIGNED_ACCESS with mode and alignment.
16505 (store_fixed_bit_field): Call macro with word_mode and alignment.
16506 (extract_bit_field): Call macro with relevant mode and alignment.
16507 * expr.c (SLOW_UNALIGNED_ACCESS): Add mode and align parameters
16508 to default definition.
16509 (move_by_pieces): Call SLOW_UNALIGNED_ACCESS with word_mode
16511 (move_by_pieces_ninsns): Likewise.
16512 (clear_by_pieces): Likewise.
16513 (emit_push_insn): Likewise.
16514 (store_field): Call macro with relevant mode and alignment.
16515 (expand_expr): Likewise.
16516 (expand_expr_unaligned): Likewise.
16518 * rs6000.h (HANDLE_PRAGMA_PACK): Define.
16519 (SLOW_UNALIGNED_ACCESS): Define.
16520 (CASE_VECTOR_MODE): Always use 32-bit offsets.
16521 (ASM_FILE_END): Generate 64-bit symbol in 64-bit mode.
16522 (EXTRA_SECTION_FUNCTIONS): Indent .csect pseudo-op.
16523 (toc_section): Likewise and .toc pseudo-op.
16524 (ASM_DECLARE_FUNCTION): Likewise. Align text more strictly in
16526 (TEXT_SECTION_ASM_OP): Likewise.
16527 (ASM_OUTPUT_ADD_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT): Always use
16530 * a29k.h (SLOW_UNALIGNED_ACCESS): Add MODE and ALIGN parameters.
16531 * alpha.h (SLOW_UNALIGNED_ACCESS): Likewise.
16532 * arm/thumb.h (SLOW_UNALIGNED_ACCESS): Likewise.
16533 * gmicro.h (SLOW_UNALIGNED_ACCESS): Likewise.
16534 * fr30.h (SLOW_UNALIGNED_ACCESS): Likewise.
16536 Tue Jan 4 11:44:13 2000 Jeffrey A Law (law@cygnus.com)
16538 * regclass.c: Revert my Jan 4 change to loop cost computation.
16540 Tue Jan 4 19:22:39 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
16542 * regclass.c (regclass): Do not obey REG_N_REFS in non-optimizing
16545 2000-01-04 Stan Cox <scox@cygnus.com>
16547 * haifa-sched.c (build_control_flow): Change unreachable simple
16548 loop test to check if current block has only one predecessor.
16549 (find_rgns): Initialize degree. Use dest as degree index, not src.
16551 2000-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16553 * builtins.c (expand_builtin_strlen): Initialize variable `icode'.
16555 * calls.c (expand_call): Likewise for
16556 `old_stack_arg_under_construction'.
16558 * cpphash.c (macroexpand): Likewise for `args' and `rest_zero'.
16560 * function.c (pad_to_arg_alignment): Likewise for `save_var' and
16563 * gcc.c (execute): Likewise for `ut' and `st'.
16565 * genattrtab.c (attr_rtx): Likewise for `rt_val'.
16567 * genopinit.c (gen_insn): Likewise for `m1', `m2' and `op'.
16569 * jump.c (jump_optimize_1): Likewise for `temp2'.
16571 * local-alloc.c (block_alloc): Likewise for `r1'.
16573 * loop.c (recombine_givs): Likewise for `life_start' and `life_end'.
16575 * reg-stack.c (check_asm_stack_operands): Likewise for `clobber_reg'.
16576 (subst_asm_stack_regs): Likewise for `clobber_reg' and `clobber_loc'.
16578 * regmove.c (fixup_match_1): Likewise for `insn_const', `dst_node'
16581 * reload.c (find_reloads): Likewise for `goal_alternative_number'
16582 and `goal_earlyclobber'.
16584 * scan-decls.c (scan_decls): Likewise for `prev_id_end'.
16586 * sdbout.c (sdbout_one_type): Likewise for `member_scl'.
16588 * stupid.c (stupid_life_analysis): Likewise for `chain'.
16590 * unroll.c (copy_loop_body): Likewise for `copy'.
16592 * varasm.c (output_constructor): Likewise for `byte'.
16594 Tue Jan 4 15:34:34 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
16596 * i386.c (ix86_expand_move): Allow pushes of memory, offload to memory
16597 all FP constants for constant->reg moves.
16598 (ix86_split_to_parts): Try to convert memory address into immediate
16599 when available in the constant pool.
16600 * i386.h (PREFERRED_RELOAD_CLASS): Allow CONST_DOUBLE->integer reg
16602 (LEGITIMATE_CONSTANT_P): Return 1.
16603 * i386.md (pushsf): New splitter to convert constant pool memory
16604 reference to immediate.
16605 (mov?f): Likewise; do not allow CONST_DOUBLE for reg moves before
16608 2000-01-04 Bernd Schmidt <bernds@cygnus.co.uk>
16610 * i386.md (ashlsi3_cmpno): Don't accept variables shifts.
16611 (ashlhi3_cmpno, ashlqi3_cmpno, ashrsi3_cmpno, ashrhi3_cmpno,
16612 ashrqi3_cmpno, lshrsi3_cmpno, lshrhi3_cmpno, lshrqi3_cmpno): Likewise.
16613 (rotlsi3_cmpno, rotlhi3_cmpno, rotlqi3_cmpno, rotrsi3_cmpno,
16614 rotrhi3_cmpno, rotrqi3_cmpno): Likewise.
16616 2000-01-04 Martin von Löwis <loewis@informatik.hu-berlin.de>
16618 * ginclude/stdbool.h: Support compilation as C++.
16620 Tue Jan 4 01:35:13 2000 J"orn Rennecke <amylaar@cygnus.co.uk>
16622 * fold-const.c (make_range): Don't try to reverse an unbounded range.
16624 Tue Jan 4 00:18:46 2000 Jeffrey A Law (law@cygnus.com)
16626 * regclass.c (regclass): Properly compute loop_cost. Adjust
16629 * regclass.c: Fix minor whitespace problems.
16631 2000-01-03 Anthony Green <green@cygnus.com>
16633 * config/i386/i386.md (builtin_setjmp_receiver): New pattern.
16634 Restore the pic register if required.
16636 2000-01-03 Ulrich Drepper <drepper@cygnus.com>
16638 * c-common.c (format_char_info): Update comment.
16639 (check_format_info): Recognize 'z' modifier in the same way 'Z'
16640 was recognized. Emit warning for formats new in ISO C99 only
16641 if flag_isoc9x is not set.
16643 Mon Jan 3 12:59:54 2000 Mark P. Mitchell <mark@codesourcery.com>
16645 * config/mips/iris6gld.h: Fix typo in -mabi=n32 specs.
16647 Mon Jan 3 15:33:37 MET 2000 Jan Hubicka <hubicka@freesoft.cz>
16649 * combine.c (expand_compound_operation): Do not convert ZERO_EXTEND to
16650 SIGN_EXTEND, convert SIGN_EXTEND to ZERO_EXTEND.
16651 (make_compound_operation): Choose cheaper alternative between
16652 ZERO_EXTEND and SIGN_EXTEND when sign bit is not set.
16654 * regclass.c (op_costs): Remove global variable.
16655 (record_reg_classes): New parameter "op_costs" and "reg_pref".
16656 (record_operand_costs): Break out from ...
16657 (scan_one_insn): ... here.
16658 (dump_regclass): Make dumps nicer.
16659 (regclass): Dump preferrences choosed and changes done during passes.
16661 2000-01-03 Jakub Jelinek <jakub@redhat.com>
16663 * config/sparc/sparc.c (gen_df_reg): Fix for 32bit SPARC.
16665 2000-01-03 Jakub Jelinek <jakub@redhat.com>
16667 * config/sparc/sparc.c (gen_df_reg): New function.
16668 * config/sparc/sparc-protos.h (gen_df_reg): Add prototype.
16669 * config/sparc/sparc.md (movtf_no_e_insn_sp64+1,
16670 movtf_no_e_insn_sp64+2, movtf_no_e_insn_sp64+3, movtf_cc_sp64+1,
16671 movtf_cc_reg_sp64+1): Use it.
16673 2000-01-02 Mark Mitchell <mark@codesourcery.com>
16675 * integrate.c (copy_decl_for_inlining): Clear TREE_ADDRESSABLE on
16676 copied LABEL_DECLs.
16678 Mon Jan 3 02:54:40 2000 Hans-Peter Nilsson <hp@bitrange.com>
16680 * config/i386/i386.c (ix86_expand_unary_operator): Function
16681 definition made void.
16682 (ix86_expand_binary_operator): Update outdated preceding comment.
16683 * config/i386/i386-protos.h (ix86_expand_unary_operator): Update
16686 * config/i386/i386.c (override_options): Fix option-name typo.
16688 2000-01-02 Mark Mitchell <mark@codesourcery.com>
16690 * system.h (CEIL): Define.
16691 * builtins.c (CEIL): Remove.
16692 * expmed.c (CEIL): Likewise.
16693 * expr.c (CEIL): Likewise.
16694 * stor-layout.c (CEIL): Likewise.
16696 2000-01-02 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
16698 * expr.c (store_constructor_field): Fix typo introduced with last
16701 2000-01-01 Mark Mitchell <mark@codesourcery.com>
16703 * tree.h (BINFO_N_BASETYPES): New macro.
16705 2000-01-01 Bernd Schmidt <bernds@cygnus.co.uk>
16707 * expmed.c (emit_store_flag): Prevent losing a pending stack
16708 adjust the same way we prevent losing queued increments.
16710 See ChangeLog.2 for earlier changes.