1 2001-06-22 Joseph S. Myers <jsm28@cam.ac.uk>
3 * c-common.c (verify_tree): Check for x being NULL.
4 * doc/c-tree.texi: Document COMPOUND_BODY of an empty
8 2001-06-22 DJ Delorie <dj@redhat.com>
10 * config/arm/arm.h (struct machine_function): Remove ra_rtx.
11 * config/arm/arm.c (arm_mark_machine_status): Remove ra_rtx.
12 (arm_return_addr): Use get_hard_reg_initial_val et al.
13 * config/d30v/d30v.h (struct machine_function): Remove ra_rtx.
14 * config/d30v/d30v.c (d30v_mark_machine_status): Remove ra_rtx.
15 (d30v_return_addr): Use get_hard_reg_initial_val et al.
16 * config/rs6000/rs6000.h (struct machine_function): Remove ra_rtx.
17 * config/rs6000/rs6000.c (rs6000_override_options): Don't set
19 (rs6000_mark_machine_status): Remove.
20 (rs6000_return_addr): Use get_hard_reg_initial_val.
21 (rs6000_ra_ever_killed): Use has_hard_reg_initial_val.
22 * config/v850/v850.h (INIT_EXPANDERS): Delete.
23 * config/v850/v850.c (struct machine_function): Delete.
24 (v850_init_machine_status): Delete.
25 (v850_mark_machine_status): Delete.
26 (v850_free_machine_status): Delete.
27 (v850_return_addr): Use get_hard_reg_initial_val.
28 (v850_init_expanders): Delete.
30 Fri Jun 22 19:20:59 CEST 2001 Jan Hubicka <jh@suse.cz>
32 * predict.c (estimate_bb_frequencies): Do not handle conditional
33 jumps jumping to fallthru basic block as conditional jumps.
35 Fri Jun 22 19:11:28 CEST 2001 Jan Hubicka <jh@suse.cz>
37 * regs.h (struct reg_info_def): Add freq field.
38 (REG_N_REFS): Update comment.
40 * regclass.c (scan_one_insn): Update REG_FREQ.
41 * flow.c (mark_set_1): Update REG_FREQ, make REG_N_SETS unweighted.
42 (attempt_auto_inc): Likewise.
43 (mark_used_reg): Likewise.
44 (try_pre_increment_1): Likewise.
45 * local-alloc.c (struct qty): Add freq field.
46 (alloc_qty): Set freq.
47 (update_equiv_regs): Set REG_FREQ.
48 (QTY_CMP_PRI): Use freq.
49 (combine_regs): Update qty->freq.
50 * global.c (struct allocno): Update comment for n_refs;
52 (local_reg_freq): New array.
53 (global_alloc): Update freq field;
54 allocate and initialize local_reg_freq.
55 (allocno_compare): Use freq field.
57 * reload1.c (count_pseudo): Use freq isntead of n_refs.
58 (count_spilled_pseudo): Likewise.
60 * tm.texi (GCOV_TYPE_SIZE): Document.
61 * basic-block.h (gcov_type): Define.
62 (struct edge_def): Use gcov_type for count field.
63 (struct basic_block_def): Likewise.
64 * defaults.h (GCOV_TYPE_SIZE): Define.
65 * final.c (end_final): Use GCOV_TYPE_SIZE.
66 * flow.c (dump_edge_info, dump_flow_info, dump_bb): Print count fields
67 using HOST_WIDEST_INT_PRINT_DEC.
68 * gcov-io.h (__fetch_gcov_type, __store_gcov_type, __read_gcov_type,
69 __write_gcov_type): New.
71 * gcov.c (gcov_type): Set default.
72 (struct adj_list): Use gcov_type for arc_count.
73 (bb_info): Use gcov_type for succ_count, pred_count and exec_count.
74 (create_program_flow_graph): Read arc_count properly.
75 (solve_program_flow_graph): 'total' is gcov_type.
76 (output_data): Line_counts is gcov_type, print it properly.
77 * libgcc2.c (struct bb): Counts is gcov_type.
78 (__bb_exit_func): Use __read_gcov_type and __write_gcov_type.
79 * profile.c (LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE): Set default.
80 (GCOV_TYPE_SIZE): Define.
81 (struct bb_info): succ_count and pred_count is gcov_type.
82 (compute_branch_probabilities): Use __read_gcov_type,
83 print read edges to the dump file.
84 (total): Is gcov_type.
85 (gen_edge_profiler): Use GCOV_TYPE_SIZE.
87 2001-06-14 Andrew Haley <aph@cambridge.redhat.com>
89 * optabs.c (emit_libcall_block): When using non-call exceptions,
90 don't mark libcalls never throwing.
92 2001-06-21 Stan Shebs <shebs@apple.com>
94 * objc/objc-act.c (hash_init): Use xcalloc.
96 2001-06-21 Richard Henderson <rth@redhat.com>
98 * flow.c (entry_exit_blocks): Initialize frequency.
99 (split_block): Copy it.
100 (dump_flow_info): Dump it.
102 Thu Jun 21 22:15:10 2001 J"orn Rennecke <amylaar@redhat.com>
104 * sh.c (barrier_align): Also recognize branch-around-a-jump-sequence
105 from machine-depedent_reorg for purposes of alignment supression
106 when no delay slot insn has been added.
108 2001-06-21 Neil Booth <neil@cat.daikokuya.demon.co.uk>
110 * cppmacro.c (make_string_token): Null terminate.
112 2001-06-21 DJ Delorie <dj@redhat.com>
114 * config/alpha/alpha.h (struct machine_function): Remove.
115 * config/alpha/alpha.c (integrate.h): Include.
116 (override_options): Don't set up machine_status hooks.
117 (alpha_init_machine_status): Remove.
118 (alpha_mark_machine_status): Remove.
119 (alpha_free_machine_status): Remove.
120 (alpha_return_addr): Use get_hard_reg_initial_val.
121 (alpha_gp_save_rtx): Likewise.
122 (alpha_ra_ever_killed): Use has_hard_reg_initial_val.
124 2001-06-20 Aldy Hernandez <aldyh@redhat.com>
126 * config/sh/sh.md (interrupt_function): Use
127 current_function_interrupt.
128 (define_delay): Schedule in delay slot if TARGET_SH3, even if it is
129 an interrupt function.
131 * config/sh/sh.h (current_function_interrupt): Define extern.
133 * config/sh/sh.c (current_function_interrupt): New global.
134 (sh_expand_prologue): Set current_function_interrupt.
136 2001-06-21 Phil Edwards <pme@sources.redhat.com>
138 * doc/install.texi: Add 'c' to list of --enable-languages choices.
140 2001-06-21 DJ Delorie <dj@redhat.com>
142 * integrate.c (mark_hard_reg_initial_vals): Check for NULL.
144 * integrate.c (ggc.h): Include.
145 (initial_value_pair, initial_value_struct,
146 setup_initial_hard_reg_value_integration): Add prototypes.
147 (expand_inline_function): Call
148 setup_initial_hard_reg_value_integration.
149 (has_func_hard_reg_initial_val, get_func_hard_reg_initial_val,
150 get_hard_reg_initial_val, has_hard_reg_initial_val): New functions
151 to keep track of values present at the start of a function.
152 (mark_hard_reg_initial_vals): New, for gc.
153 (setup_initial_hard_reg_value_integration): New. Sets up pseudo
154 mappings for initial values.
155 (emit_initial_value_sets): New. Emits code to set initial value
157 * integrate.h: Add prototypes for new functions.
158 * function.h (struct function): Add hard_reg_initial_vals field.
159 * function.c (integrate.h): Include.
160 (mark_function_status): Call
161 mark_hard_reg_initial_vals.
162 * toplev.c (integrate.h): Include.
163 (rest_of_compilation): Call emit_initial_value_sets.
165 2001-06-21 Stan Shebs <shebs@apple.com>
167 * doc/contrib.texi, doc/cpp.texi, doc/cppinternals.texi,
168 doc/extend.texi, doc/gcc.texi, doc/install.texi, doc/invoke.texi,
169 doc/objc.texi, doc/tm.texi: Use the correct name "Objective-C"
170 everywhere instead of "Objective C".
172 2001-06-21 Joseph S. Myers <jsm28@cam.ac.uk>
174 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
175 doc/gcc.texi, doc/install-old.texi, doc/install.texi,
176 doc/invoke.texi, doc/rtl.texi: Consistently use "front end" and
177 "back end" as nouns and "front-end" and "back-end" as adjectives.
179 Wed Jun 20 21:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
181 * predict.c (estimate_probability): Fix loop bounds.
183 Wed Jun 20 19:10:48 CEST 2001 Jan Hubicka <jh@suse.cz>
185 * toplev.c (rest_of_compilation): Run mark_constant_function
188 Wed Jun 20 19:08:18 CEST 2001 Jan Hubicka <jh@suse.cz>
190 * predict.c (estimate_loops_at_level, propagate_freq
191 estimate_bb_frequencies, count_to_freqs): New functions.
192 (estimate_probability): Call estimate_bb_frequencies.
193 * basic-block.h (basic_block_def): Add field "freq".
194 (BB_FREQ_MAX): New constant.
196 Wed Jun 20 17:02:50 2001 J"orn Rennecke <amylaar@redhat.com>
198 * sh.c (barrier_align): Don't ask for alignment when seeing a
199 branch-around-a-jump from machine_dependent_reorg.
201 Wed Jun 20 08:35:02 2001 Jeffrey A Law (law@cygnus.com)
203 * ssa.c (rename_block): Update parameter to remove_phi_alternative
204 (convert_from_ssa): Do create REG_DEAD and REG_UNUSED notes when
205 re-running life analysis.
207 2001-06-20 Stan Shebs <shebs@apple.com>
209 * objc/objc-act.c (hash_init): Assume xmalloc always succeeds,
210 also use memset to clear the hash tables.
211 (hash_enter): Assume xmalloc always succeeds.
212 (hash_add_attr): Ditto.
213 (continue_class): Ditto.
215 2001-06-20 Michael Meissner <meissner@redhat.com>
217 * builtins.c (predict.h): Include.
218 (expand_builtin_expect): Update comment.
219 (expand_builtin_expect_jump): New function to expand
220 __builtin_expect inside of a conditional jump expansion.
222 * expr.c (do_jump): Special case __builtin_expect (<test>, 0) and
223 __builtin_expect (<test>, 1).
225 * Makefile.in (builtins.o): Depend on $(PREDICT_H).
227 * rtl.h (expand_builtin_expect_jump): Add prototype.
229 2001-06-19 Geoffrey Keating <geoffk@redhat.com>
231 * doc/rtl.texi (Machine Modes): Correct description of
232 floating-point modes on machines with non-8-bit bytes.
234 2001-06-19 Bernd Schmidt <bernds@redhat.com>
236 * regmove.c (optimize_reg_copy_3): Do nothing if previous insn
237 carries a REG_EQUIV note. If it carries REG_EQUAL, delete the
240 Tue Jun 19 07:53:52 2001 Jeffrey A Law (law@cygnus.com)
242 * ssa.c (remove_phi_alternative): Remove declaration. No longer
243 static. Second argument is a pointer to a basic block structure,
244 not a basic block index.
245 (convert_to_ssa): Do not remove dead code.
246 (convert_from_ssa): Do not remove dead code to create death notes.
247 * ssa.h (remove_phi_alternative): Declare.
249 * flow.c (delete_unreachable_blocks): Fix patch error in
250 previous change (call to find_unreachable_blocks was lost).
252 * ssa.c (ssa_uses): Remove definition.
253 (apply_delayed_renames): Don't grow ssa_uses.
254 (rename_block): Remove comment related to ssa_uses.
255 (rename_registers): Do not initialize ssa_uses.
256 (convert_from_ssa): Do not free ssa_uses.
258 * ssa-dce.c: Renamed from dce.c.
259 * Makefile.in (OBJS): Replace dce.o with ssa-dce.o
260 (dependencies): Replace dce.c with ssa-dce.c and dce.o with
263 2001-06-19 Eric Christopher <echristo@redhat.com>
265 * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode
266 and DFmode are UNITS_PER_WORD and 2*UNITS_PER_WORD. Use
267 GET_MODE_BITSIZE instead of GET_MODE_SIZE/UNITS_PER_WORD.
269 Tue Jun 19 01:52:27 2001 J"orn Rennecke <amylaar@redhat.com>
271 * sh.c (output_branch): Delete bogus code.
273 * sh.c (initial_elimination_offset):
274 Fix FROM == RETURN_ADDRESS_POINTER_REGNUM case.
276 Mon Jun 18 12:50:49 2001 Jeffrey A Law (law@cygnus.com)
278 * flow.c (find_unreachable_blocks): New function.
279 (delete_unreachable_blocks): Use find_unreachable_blocks.
280 * basic-block.h (find_unreachable_blocks): Declare.
282 * dce.c (eliminate_dead_code): Fix formatting glitch.
284 2001-06-18 Jason Merrill <jason_merrill@redhat.com>
286 * c-common.h (RETURN_NULLIFIED_P): New macro.
287 * c-semantics.c (genrtl_return_stmt): Check it.
289 * expr.c (clear_storage): Set TREE_NOTHROW on the decl for memset.
290 (emit_block_move): Likewise.
292 Mon Jun 18 17:27:24 CEST 2001 Jan Hubicka <jh@suse.cz>
294 * unroll.c: Include predict.h.
295 (unroll_loop): Drop prediction notes on preconditioning.
296 * predict.def (PRED_LOOP_PRECONDITIONG, PRED_LOOP_CONDITION):
297 New; add comments on the others.
298 * Makefile.in: (unroll.o): Add dependancy on predict.h.
299 * loop.c (strength_reduce): Fix branch prediction.
301 Mon Jun 18 17:26:56 CEST 2001 Jan Hubicka <jh@suse.cz>
303 * stmt.c (emit_case_nodes): Optimize test whether index is in given
306 Mon Jun 18 15:43:10 CEST 2001 Jan Hubicka <jh@suse.cz>
308 * predict.c (estimate_probability): Do not bail out early
309 when note is present.
310 (combine_predictions_for_insn): Fix note removal code.
312 2001-06-18 Ben Elliston <bje@redhat.com>
314 * except.c (resolve_fixup_regions): Initialise "cleanup".
316 2001-06-17 Neil Booth <neil@daikokuya.demon.co.uk>
318 * tm.texi: Document STDC_0_IN_SYSTEM_HEADERS.
320 Sat Jun 16 20:20:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
322 * expr.c (expand_expr, case ADDR_EXPR): If taking address of SAVE_EXPR,
323 use put_var_into_stack.
325 2001-06-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
327 * gccspec.c (lang_specific_driver): If compiling ObjC, add
328 -shared-libgcc when necessary.
329 * Makefile.in (gccspec.o): Compile with DRIVER_DEFINES.
331 2001-06-16 Daniel Berlin <dan@cgsoftware.com>
333 * bitmap.h: Add dump_bitmap, bitmap_zero, bitmap_union_of_diffs,
334 bitmap_a_or_b, bitmap_a_and_b, bitmap_first_set_bit,
335 bitmap_last_set_bit. All for compatibility with sbitmap's.
337 *bitmap.c (bitmap_zero): New function.
338 (bitmap_union_of_diffs): New function.
339 (bitmap_first_set_bit): New function.
340 (bitmap_last_set_bit): New function.
342 2001-06-16 Neil Booth <neil@daikokuya.demon.co.uk>
344 * cpp.texi, invoke.texi: Update.
345 * cpp.1, gcc.1: Regenerate.
347 Sat Jun 16 12:45:20 CEST 2001 Jan Hubicka <jh@suse.cz>
349 * i386.md (minsf): Fix splitter. (PR fortran/3191)
351 2001-06-16 Neil Booth <neil@daikokuya.demon.co.uk>
353 * doc/cpp.texi: Update.
354 * doc/cpp.1: Regenerate.
356 2001-06-15 Loren J. Rittle <ljrittle@acm.org>
358 * doc/install.texi: Use correct markup hints.
360 Fri Jun 15 18:05:22 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
362 * function.c (gen_mem_addressof): Handle case where DECL is SAVE_EXPR.
364 * explow.c (expr_size): If DECL and size specified, use it.
366 2001-06-15 Zack Weinberg <zackw@stanford.edu>
368 * doc/cpp.texi: Formatting corrections.
369 Correct buggy example of use of __GNUC__ etc.
370 Clarify $ in identifiers.
371 * doc/cpp.1: Regenerate.
373 Fri Jun 15 19:35:38 CEST 2001 Jan Hubicka <jh@suse.cz>
375 * optabs.c (expand_twoval_binop): Avoid undefined behaviour.
377 2001-06-15 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
379 * doc/install.texi (Specific, alpha*-*-*): Fixed Tru64 UNIX
381 (Specific, alpha-*-osf1): Renamed to alpha*-*-osf*.
382 Added Tru64 UNIX V5.1 bootstrap hints.
383 (Specific, alpha*-*-osf*): Removed old section, obsolete.
385 2001-06-15 Andreas Jaeger <aj@suse.de>
387 * doc/install.texi (Specific): Mention that glibc cannot be
388 compiled with GCC 3.0.
390 2001-06-14 Andrew Haley <aph@cambridge.redhat.com>
392 * combine.c (nonzero_bits): Don't optimize away division by
395 2001-06-15 Zack Weinberg <zackw@stanford.edu>
397 * doc/cpp.texi: Revised and brought up to date.
398 * doc/cpp.1: Regenerate.
400 2001-06-15 Loren J. Rittle <ljrittle@acm.org>
402 * doc/install.texi: Update --enable-threads to match reality.
404 2001-06-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
406 * doc/install.texi: Update for C4x.
407 * README.C4X: Remove.
409 2001-06-14 Joseph S. Myers <jsm28@cam.ac.uk>
411 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
412 doc/gcc.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
413 doc/objc.texi, doc/rtl.texi, doc/tm.texi: Fix spelling and typos.
414 Consistently use "built-in" and "bit-field". Minor logical markup
416 * doc/gcc.1: Regenerate.
418 2001-06-14 Richard Henderson <rth@redhat.com>
420 * config/mips/mips.md (exception_receiver): New.
422 2001-06-14 Daniel J. Berlin <dan@cgsoftware.com>
424 * doc/gcc.texi: Update passes documentation to be more in tune
427 Thu Jun 14 15:38:28 CEST 2001 Jan Hubicka <jh@suse.cz>
429 * i386.c (ix86_expand_prologue): Fix merging conflict.
431 2001-06-14 Joseph S. Myers <jsm28@cam.ac.uk>
433 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
434 doc/gcc.texi, doc/gcov.texi, doc/install-old.texi,
435 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Use more
436 logical markup. Use TeX quotes and dashes. Use @dots{} and
437 @minus{}. Avoid spaces inside @var. Update last modification
439 * doc/gcc.1, doc/gcov.1: Regenerate.
441 Thu Jun 14 12:44:15 CEST 2001 Jan Hubicka <jh@suse.cz>
443 * i386.c (x86_accumulate_outgoing_args, x86_prologue_using_move,
444 x86_epilogue_using_move): New global variables.
445 (override_options): Enable ACCUMULATE_OUTGOING_ARGS if preferred.
446 (ix86_emit_save_regs_using_mov): New static function.
447 (ix86_expand_prologue, ix86_expand_epilogue): Use moves if preferred.
448 * i386.h (MASK_MMX, MASK_SSE, MASK_SSE2, MASK_128BIT_LONG_DOUBLE,
449 MASK_MIX_SSE_I387): Renumber.
450 (MASK_NO_ACCUMULATE_OUTGOING_ARGS): New.
451 (x86_accumulate_outgoing_args, x86_prologue_using_move,
452 x86_epilogue_using_move): Declare.
453 (TARGET_PROLOGUE_USING_MOVE, TARGET_EPILOGUE_USING_MOVE): New.
455 2001-06-13 John David Anglin <dave@hiauly1.hia.nrc.ca>
457 * inclhack.def (hpux10_cpp_pow_inline): New hack.
459 2001-06-13 Richard Henderson <rth@redhat.com>
461 * ifcvt.c (dead_or_predicable): Fix return value last patch.
463 2001-06-13 Mark Mitchell <mark@codesourcery.com>
467 2001-06-13 Richard Henderson <rth@redhat.com>
469 * ifcvt.c (cond_exec_get_condition): Use reversed_comparison_code.
470 (cond_exec_process_if_block, dead_or_predicable): Likewise.
472 2001-06-13 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
474 * mips-tfile.c (copy_object): Always pass indexNil for symbol
477 2001-06-13 Kazu Hirata <kazu@hxi.com>
479 * config/h8300/h8300.h (OK_FOR_T): Remove.
480 (EXTRA_CONSTRAINT): Do not use OK_FOR_T.
481 * config/h8300/h8300.md: Remove alternatives involving inc and dec
482 in the helper patterns for addhi3 and addsi3.
484 2001-06-13 Phil Edwards <pme@sources.redhat.com>
486 * doc/contrib.texi: Link to libstdc++'s thanks.html for now.
488 2001-06-13 Zack Weinberg <zackw@stanford.edu>
490 * Makefile.in: Move _bb and __gcc_bcmp to LIB2FUNCS_ST.
491 * libgcc-std.ver: Take out __bb* and __gcc_bcmp.
493 * config/t-slibgcc-elf-ver, config/t-slibgcc-sld,
494 config/alpha/t-osf4, config/mips/t-iris6: Extract all
495 references to @shlib_map_file@, @shlib_objs@, or
496 @shlib_base_name@ to Makefile variables.
497 Bump soname version of libgcc to 1.
499 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
501 * doc/install.texi: Use more logical markup. Include @node
502 commands in the source when generating any non-HTML.
504 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
506 * README: Remove. Some of the contents moved to ../README.
508 2001-06-13 Alexandre Oliva <aoliva@redhat.com>
510 * doc/install.texi (--enable-shared): List package names
513 2001-06-13 Alexandre Oliva <aoliva@redhat.com>
515 * doc/install.texi (ix86-*-solaris*): Removed, outdated.
516 (*-*-solaris*): Document problem in /bin/sh that affects
517 configuring libraries.
518 (sparc-*-solaris*): Recommend GNU binutils 2.11.1 or vendor tools.
519 (*-sun-solaris2.8): Document linker problem that explains why
520 libjava is disabled by default.
522 2001-06-09 Mark Mitchell <mark@codesourcery.com>
525 * toplev.c (rest_of_compilation): Remove dead code before
528 2001-06-12 Alexandre Oliva <aoliva@redhat.com>
531 2001-06-07 Nathan Sidwell <nathan@codesourcery.com>
532 * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
533 * configure: Rebuilt.
535 2001-06-12 Jim Wilson <wilson@redhat.com>
537 * loop.c (strength_reduce): Move bl->all_reduced set before
538 check_ext_dependant_givs call.
539 (check_ext_dependant_givs): Clear bl->all_reduced when ignoring givs.
541 2001-06-12 Alexandre Oliva <aoliva@redhat.com>
543 * doc/extend.texi (Function Attributes): Document SH's sp_switch
546 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
548 * doc/invoke.texi: Use more logical markup. Use TeX quotes,
551 2001-06-12 Richard Henderson <rth@redhat.com>
553 * config/i386/i386.c (ix86_expand_prologue): Always use
554 gen_pro_epilogue_adjust_stack; update arguments.
555 (ix86_expand_epilogue): Likewise.
556 (ix86_emit_epilogue_esp_adjustment): Remove.
557 (ix86_adjust_cost): Remove pro_epilogue_adjust_stack hack.
558 * config/i386/i386.md (pro_epilogue_adjust_stack): Use a BLKmode
559 clobber of scratch memory instead of a modification of EBP as the
560 barrier. Update all peepholes to match.
562 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
564 * doc/gcc.texi: Change the font used for @def... commands to a
566 * doc/extend.texi: Use more logical markup. Use "built-in"
567 instead of "builtin". Use @deftypefn to mark up built-in
568 functions; specify their types in the @deftypefn and not in the
569 descriptive text. Use TeX quotes and dashes. Add more index
572 2001-06-12 lars brinkhoff <lars@nocrew.org>
574 * gcc.texi (HOST_BITS_PER_LONGLONG): Document.
575 (DIR_SEPARATOR_2): Likewise.
577 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
579 * doc/install.texi (--exec-prefix, --bindir, --libdir,
580 --with-slibdir, --infodir, --mandir, --with-cpp-install-dir):
582 (--enable-cpp): Change to document --disable-cpp instead; update
583 to reflect current default.
584 (--without-fast-fixincludes): Remove documentation.
585 (Final install): Document installation directories in more
586 detail. Document use of make dvi.
588 Tue Jun 12 19:01:43 CEST 2001 Jan Hubicka <jh@suse.cz>
590 * recog.c (validate_replace_rtx_1): Fix previous patch.
592 Tue Jun 12 17:25:39 CEST 2001 Jan Hubicka <jh@suse.cz>
594 * recog.c (validate_replace_rtx_1): Do plus_constant call always.
596 Tue Jun 12 17:24:07 CEST 2001 Jan Hubicka <jh@suse.cz>
598 * simplify-rtx.c (simplify_subreg): Allow volatile memory
599 to be subregged in case we don't have move instruction.
601 Tue Jun 12 12:20:12 CEST 2001 Jan Hubicka <jh@suse.cz>
603 * loop.c: Include predict.h
604 (strength_reduce): Drop branch prediction note in case
605 number of iterations is known.
606 * predict.def (PRED_LOOP_ITERATIONS): new.
607 * Makefile.in (loop.o): Add dependancy on predict.h
609 2001-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
611 * c-decl.c (grokdeclarator): Use INTEGRAL_TYPE_P.
613 * c-typeck.c (c_start_case): Likewise.
615 2001-06-12 Mark Mitchell <mark@codesourcery.com>
617 * expr.c (store_field): Don't set MEM_ALIAS_SET for a field
618 in a structure at a variable address.
620 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
622 * doc/gcov.texi: Use more logical markup.
624 2001-06-11 Mark Mitchell <mark@codesourcery.com>
626 * unroll.c (initial_reg_note_copy): Use PUT_REG_NOTE_KIND and
627 REG_NOTE_KIND, not PUT_MODE and GET_MODE.
628 (final_reg_note_copy): Remove REG_WAS_0 notes that are no longer
631 2001-06-11 Stan Shebs <shebs@apple.com>
633 * darwin.h (ASM_FILE_END): Remove decl of language_string.
635 2001-06-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
637 * config/m68hc11/m68hc11.md ("*lshrdi3_const32"): Mark the clobber
638 as an early clobber to make sure it is not used by reload in
641 2001-06-11 Mark Mitchell <mark@codesourcery.com>
643 * doc/c-tree.texi: Update information about flag_honor_std.
644 * doc/install.texi: Note that binutils is required on HPUX 11.
645 * doc/invoke.texi (-fhonor-std): Note that -fno-honor-std is
648 * config/mips/abi64.h (RETURN_IN_MEMORY): Fix handling of
649 variable-sized types.
651 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
653 * doc/md.texi: Use TeX dashes and quotes.
655 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
657 * doc/rtl.texi: Reference manual chapter about trees.
659 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
661 * config/mips/iris6.h (NO_BUILTIN_WINT_TYPE): Define.
662 (WINT_TYPE): Override.
663 (WINT_TYPE_SIZE): Likewise.
664 (SUBTARGET_CPP_SIZE_SPEC): Define __WINT_TYPE__ as appropriate.
666 * config/sparc/sol2.h (WINT_TYPE): Define.
667 (WINT_TYPE_SIZE): Likewise.
669 * config/sparc/sol2-sld-64.h (NO_BUILTIN_WINT_TYPE): Define.
670 (WINT_TYPE): Override.
671 (WINT_TYPE_SIZE): Likewise.
672 (CPP_ARCH32_SPEC): Add __WINT_TYPE__ definition.
673 (CPP_ARCH64_SPEC): Likewise.
675 2001-06-11 Richard Henderson <rth@redhat.com>
677 * unwind-dw2-fde.c (__deregister_frame_info): Don't play games
678 with alias attribute.
680 * config/linux.h (CPLUSPLUS_CPP_SPEC): Use %(cpp) not $(cpp_cpu).
681 * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): Likewise.
683 2001-06-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
685 * config/rs6000/linux.h (CPLUSPLUS_CPP_SPEC): New.
687 2001-06-11 Stan Shebs <shebs@apple.com>
689 * darwin.c (darwin_encode_section_info): Rewrite to simplify
690 and fix coding mistakes.
692 2001-06-11 Nick Clifton <nickc@cambridge.redhat.com>
694 * config/m32r/m32r.md (movstrsi_internal): Do not expect a
695 return string from m32r_output_block_move.
696 * config/m32r/m32r-protos.h: Make m32r_output_block_move a
698 * config/m32r/m32r.h (INT32_P): Rename to UNIT32_P and remove
700 (ROUND_ADVANCE): Remove signed/unsigned conflict.
701 * config/m32r/m32r.c: Declare prototypes for static functions.
702 (move_src_operand): Replace INT32_P with UINT32_P.
703 (function_arg_partial_nregs): Fixed signed/unsigned conflict
704 in initialisation of 'size'.
705 (m32r_sched_reord): Remove redundant declarations of 'code'.
706 (m32r_output_block_move): Change to a void function.
707 (m32r_encode_section_info): Cast return of
708 TREE_STRING_POINTER to avoid compile time warning.
710 2001-06-11 Richard Henderson <rth@redhat.com>
712 * config/alpha/osf5.h (TARGET_LD_BUGGY_LDGP): New.
713 * config/alpha/alpha.h (TARGET_LD_BUGGY_LDGP): Default.
714 (struct machine_function): Add gp_save_rtx.
715 * config/alpha/alpha.c (alpha_mark_machine_status): Mark it.
716 (alpha_gp_save_rtx): New.
717 * config/alpha/alpha-protos.h: Declare it.
718 * config/alpha/alpha.md (exception_receiver): Make an expander.
719 Use alpha_gp_save_rtx if TARGET_LD_BUGGY_LDGP.
721 2001-06-11 Richard Henderson <rth@redhat.com>
723 * config/alpha/osf.h (LINK_SPEC): Hide _GLOBAL_* symbols.
725 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
727 * configure.in: Align --help messages.
728 Remove trailing full stops.
729 Consistently use lower case.
730 Fix DWARF 2 spelling.
731 * configure: Rebuilt.
733 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
735 * config/alpha/alpha.h (CPP_SPEC): Don't define __LANGUAGE_C and
736 variants for .cpp/.cp/.c++ files.
737 Move definition of __LANGUAGE_C_PLUS_PLUS ...
738 (CPLUSPLUS_CPP_SPEC): ... here.
740 Mon Jun 11 15:47:45 CEST 2001 Jan Hubicka <jh@suse.cz>
742 * jump.c (duplicate_loop_exit_test): Fix loop header heuristics.
744 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
746 * c-decl.c (store_parm_decls): When comparing types in an
747 old-style function declaration with those from a previous
748 prototype, compare the unqualified versions of parameter types.
751 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
753 * doc/objc.texi: Use more logical markup. Use TeX dashes.
755 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
757 * doc/c-tree.texi: Use more logical markup.
759 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
761 * c-decl.c (xref_tag): Don't return previous tags of wrong type.
763 2001-06-11 Aldy Hernandez <aldyh@redhat.com>
765 * loop.c (scan_loop): Do not combine asm statements.
767 2001-06-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
769 * simplify-rtx.c (simplify_subreg): Fix offset calculation
770 for complex values within a CONCAT.
772 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
774 * doc/install.texi: Update details of what components are included
775 in the GCC distribution. Update default directory for g++
776 includes. Update documentation relating to old libio. Adjust
777 documentation on DejaGnu environment variables. Remove
778 documentation of --enable-cpplib.
780 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
782 * doc/contrib.texi: Fix alphabetical order. Fix typos. Improve
785 2001-06-10 Richard Henderson <rth@redhat.com>
787 * ifcvt.c (life_data_ok): New.
788 (merge_if_block): Use it to determine whether to update
790 (if_convert): Set it.
792 2001-06-10 Richard Henderson <rth@redhat.com>
794 * config/alpha/osf5.h (ASM_OLDAS_SPEC): Add -c.
796 2001-06-10 Alexandre Oliva <aoliva@redhat.com>
798 * doc/invoke.texi (MN10300 Options): Document -mno-crt0.
799 (SH Options): Document -mieee.
800 * doc/install.texi (Final install): Remove obsolete information
801 about installing cross compilers.
802 * doc/gcc.1: Rebuilt.
804 2001-06-10 Richard Henderson <rth@redhat.com>
806 * config/alpha/alpha.c (override_options): Set align_loops,
807 align_jumps, and align_functions.
808 * config/alpha/alpha.h (FUNCTION_BOUNDARY): Set to 32 bits.
809 (LOOP_ALIGN, LABEL_ALIGN_AFTER_BARRIER): Remove.
811 2001-06-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
813 * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode and DFmode
814 are one and two words in size.
816 2001-06-10 Richard Henderson <rth@redhat.com>
818 * doc/invoke.texi (Optimization Options): Document -fpeephole2.
819 (Code Generation Options): Document -fnon-call-exceptions.
821 2001-06-10 Mark Kettenis <kettenis@gnu.org>
823 * config/i386/gnu.h (MD_FALLBACK_FRAME_STATE_FOR): Undefine.
825 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
827 * m68hc11.md (peepholes): Remove unused and wrong peepholes.
829 2001-06-10 Mark Mitchell <mark@codesourcery.com>
830 Gabriel Dos Reis <gdr@codesourcery.com>
832 * Makefile.in (c-parse.o): Depend on diagnostic.h
833 (dwarf2out.o): Likewise.
835 * dwarf2out.c: #include diagnostic.h
837 * toplev.h (warningcount, errorcount, sorrycount): Remove
840 * toplev.c (warningcount, errorcount, sorrycount): Remove
843 * diagnostic.h (struct output_buffer): Reorder fields.
844 (diagnostic_kind_count): New macro.
845 (errorcount, warningcount, sorrycount): Define as macros.
846 (diagnostic_report_warnings_p): New macro.
847 (output_state): Add diagnostic_count field.
849 * diagnostic.c (warningcount, errorcount, inhibit_warnings):
850 Remove tentative declaration.
851 (count_error): Use diagnostic_report_warnings_p.
853 * c-parse.in: #include diagnostic.h
855 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
857 * config/m68hc11/m68hc11.md ("extendhisi2"): Fix constraints to
858 prefer a memory for operand 1.
859 ("*addsi3"): Fix constraints, the '!' was too strong.
860 ("*addsi3_split"): Accept soft register and split accordingly.
862 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
864 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
865 Move definition in the RTX_CODE section.
867 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
869 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Define the return
870 address as relative to the argument pointer.
872 Sun Jun 10 10:58:53 CEST 2001 Jan Hubicka <jh@suse.cz>
874 * predict.def (PRED_OPCODE): Place before call and error_return.
876 Sun Jun 10 10:00:17 CEST 2001 Jan Hubicka <jh@suse.cz>
878 * predict.def (PRED_CALL, PRED_ERROR_RETURN): New.
879 * predict.c (estimate_probability): Calculate dominance
880 information; improve detection of NORETURN heuristics;
881 add call/error_return heuiristics; tweak comparison heuristics
884 2001-06-09 Alexandre Oliva <aoliva@redhat.com>
886 * doc/invoke.texi (C Dialect Options): Document -aux-info.
887 (Debugging Options): Document -print-multi-directory and
889 * doc/gcc.1: Rebuilt.
891 * toplev.c (independent_decode_option): Require `=' between
892 `-aux-info' and filename in the same argument.
893 * gcc.c: Don't pass -aux-info=filename twice.
895 2001-06-09 Mark Mitchell <mark@codesourcery.com>
897 * expr.c (expand_expr, case ARRAY_REF): Do not replace
898 an array element with the known initializing value if it has
901 * toplev.c (rest_of_compilation): Remove dead code before
904 2001-06-09 Neil Booth <neil@daikokuya.demon.co.uk>
906 * cppinit.c (print_help): Document -fpreprocessed.
907 * invoke.texi: Similarly.
909 Sun Jun 10 00:35:37 CEST 2001 Jan Hubicka <jh@suse.cz>
911 * predict.def: New file.
912 * predict.h: New file.
913 * predict.c: Include predict.h.
914 (predictor_info): New structure and array.
915 (predict_edge, predict_insn): Rewrite; make global.
916 (predict_edge_def, predict_insn_def): New global functions.
917 (dump_prediction, combine_predictions_for_insns): New
919 (estimate_probability): Change calls to predict_edge
920 to predict_edge_def and calls to predict_insn to predict_insn_def;
921 combine probabilities.
922 (expected_value_to_br_prob): Behave as predictor.
923 * rtl.h (REG_BR_PRED): Update coment.
924 (invert_br_probabilities): New.
925 * jump.c: Include predict.h
926 (duplicate_loop_exit_test): Drop branch prediction notes.
927 (invert_jump): Use invert_br_probabilities.
928 * Makefile.in: Add dependancy on predict.h for jump and predict pass.
929 * ifcvt.c (dead_or_predicable): Use invert_br_probabilities.
930 * combine.c (distribute_notes): Handle BR_PRED.
932 Sat Jun 9 23:29:41 CEST 2001 Jan Hubicka <jh@suse.cz>
934 * predict.c (predict_insn, predict_edge): New static functions.
935 (estimate_probability): Revamp to use new functions;
936 fix loop header heruistics; add loop exist heruistics
938 2001-06-09 Alexandre Oliva <aoliva@redhat.com>
940 * config.gcc: Re-enable bi-arch sparc on Solaris 7 and above.
942 2001-06-09 Peter Jakubek <pjak@snafu.de>
944 * config/m68k/m68k.md (ashrdi_const): Fix right shift by 16.
946 2001-06-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
948 * vax.h (NOTICE_UPDATE_CC): Set CC_NO_OVERFLOW in cc_status.flags
949 for integer operations that don't update C bit.
951 2001-06-09 Nicola Pero <nicola@brainstorm.co.uk>
953 * gthr-posix.h (__gthread_objc_init_thread_system): If
954 pthread_key_create fails, it's not clear what the return value is.
955 This obvious fix makes sure it always returns -1 if a problem
958 2001-06-09 Joseph S. Myers <jsm28@cam.ac.uk>
960 * doc/gcc.texi: Use @defcodeindex for the index of options. Add
961 more index entries. Use more logical markup where appropriate.
962 Use TeX quotes and dashes.
964 2001-06-09 Benjamin Kosnik <bkoz@redhat.com>
966 * unwind-pe.h: Conditionally qualify references to abort with
969 2001-06-09 Julian Foad <julian_foad@hotmail.com>
971 * doc/invoke.texi: Remove superfluous text.
973 2001-06-08 Richard Henderson <rth@redhat.com>
975 * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): New.
976 (LIB_SPEC): Mirror config/linux.h version.
978 2001-06-08 Richard Henderson <rth@redhat.com>
980 * except.c (get_exception_pointer, get_exception_filter): Take a
981 struct function. Update all callers.
982 * except.h (get_exception_pointer): Update declaration.
983 * expr.c (expand_expr): Update get_exception_pointer call.
984 * integrate.c (expand_inline_function): Remap the exception pointer
985 from callee to caller.
987 2001-06-08 Mark Mitchell <mark@codesourcery.com>
989 * c-decl.c (grokdeclarator): Make the TREE_TYPE for declarations
990 accurately reflect its cv-qualification.
991 * c-typeck.c (type_lists_compatible_p): Ignore the top-levl
992 cv-qualifiers on function types.
994 2001-06-08 Mark Mitchell <mark@codesourcery.com>
996 * basic-block.h: Improve comments.
997 * except.c (expand_eh_region_end_allowed): Remove redundant call
998 to do_pending_stack_adjust.
999 * flow.c (life_analysis): Fix typo in comment.
1000 (calculate_global_regs_live): Add documentation.
1001 (mark_set_1): Likewise.
1002 (debug_regset): Likewise.
1003 * doc/rtl.texi (cond_exec): Document it.
1005 Fri Jun 8 21:52:51 CEST 2001 Jan Hubicka <jh@suse.cz>
1007 * i386.h (CONST_COSTS): set cost of constants representable in
1008 immediate fields to 0.
1010 Fri Jun 8 21:34:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1012 * function.c (diddle_return_value): Kill code to determine
1013 return value before expand_function_end.
1014 (expand_function_end): Delay call to clobber_return_register
1015 after fucntion return value is computed.
1017 Re-install temporary reverted patch:
1018 * toplev.c (rest_of_compilation): Call split_all_insns
1019 before reg-stack and shorten-branches. Do shorten-branches
1021 * final.c (shorten_branches): Remove insn splitting code.
1023 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1025 * doc/gcc.texi, doc/invoke.texi: Add index of command line
1026 options. Use @opindex to index them rather than other indexing
1027 commands. Use @var{...} instead of <...>. Avoid spaces in names
1028 inside @var. Don't use @kindex to index escape sequences in
1031 2001-06-08 Jason Merrill <jason_merrill@redhat.com>
1033 * stmt.c (current_nesting_level): New fn.
1034 * tree.h: Declare it.
1035 * c-semantics.c (genrtl_compound_stmt): Use it.
1037 * dbxout.c (dbxout_symbol): Use DECL_RTL_SET_P.
1039 2001-06-08 Jakub Jelinek <jakub@redhat.com>
1041 * jump.c (mark_modified_reg): Allow jump threading if condition
1042 codes are represented by a hard register.
1044 2001-06-08 Jakub Jelinek <jakub@redhat.com>
1046 * config/ia64/ia64.c (ia64_function_arg): Use [SDT]Fmode as gr_mode
1047 for complex floats passed to unprototyped functions.
1049 2001-06-08 Mark Mitchell <mark@codesourcery.com>
1051 * except.c (expand_eh_region_end_allowed): Call
1052 do_pending_stack_adjust as necessary.
1054 Fri Jun 8 14:16:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1056 * function.c (clobber_return_register): Clobber the pseudo return
1059 * sibcall.c (skip_unreturned_value): New function.
1060 (call_ends_block_p): Use it.
1062 * recog.c (split_insn): Break out from ...
1063 (split_all_insns): ... here; do not use basic block information
1066 Thu Jun 7 18:27:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1068 * simplify-rtx.c (simplify_subreg): Fix verification of
1071 2001-06-08 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1073 * config/mips/mips.h (CPP_SPEC): Simplify .s/.S handling.
1074 Don't define _LANGUAGE_C and variants for .cpp/.cp/.c++ files.
1075 Move definition of _LANGUAGE_C_PLUS_PLUS ...
1076 (CPLUSPLUS_CPP_SPEC): ... here.
1077 Fixes PRs c++/3047, target/441.
1079 2001-06-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1081 * doc/install.texi2html (MAKEINFO): Keep value if set already.
1083 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1085 * doc/gcc.texi: Add trailing slash to URL.
1087 2001-06-07 Stan Shebs <shebs@apple.com>
1089 * config/darwin.h (ENCODE_SECTION_INFO): Define.
1090 (REDO_SECTION_INFO_P): Ditto.
1091 (STRIP_NAME_ENCODING): Ditto.
1092 (ASM_DECLARE_OBJECT_NAME): Use ENCODE_SECTION_INFO.
1093 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Ditto.
1094 (ASM_OUTPUT_LABELREF): Use STRIP_NAME_ENCODING.
1095 (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Ditto.
1096 * config/darwin.c: No longer include c-tree.h.
1097 (machopic_classify_ident): Rewrite to use symbol encoding.
1098 (lookup_name_darwin): Remove.
1099 (machopic_non_lazy_ptr_name): Handle encoded symbols.
1100 (machopic_stub_name): Use STRIP_NAME_ENCODING.
1101 (machopic_validate_stub_or_non_lazy_ptr): Ditto.
1102 (machopic_finish): Ditto, remove test of decl.
1103 (update_non_lazy_ptrs): New function.
1104 (darwin_encode_section_info): New function.
1105 * config/darwin-protos.h: Declare it.
1106 * config/rs6000/rs6000.c (machopic_output_stub): Use
1107 STRIP_NAME_ENCODING.
1109 2001-06-07 Mark Mitchell <mark@codesourcery.com>
1111 * tree.h (DECL_SOURCE_FILE): Improve documentation.
1112 (DECL_SOURCE_LINE): Likewise.
1114 2001-06-07 Loren J. Rittle <ljrittle@acm.org>
1116 * config/alpha/elf.h (MAKE_DECL_ONE_ONLY): Copy definition
1117 from config/elfos.h.
1119 2001-06-07 Phil Edwards <pme@sources.redhat.com>
1121 * linux.h (CPLUSPLUS_CPP_SPEC): Move -D_GNU_SOURCE to here.
1122 * pa/pa-linux.h: Allow CPLUSPLUS_CPP_SPEC to remain.
1124 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1126 * doc/contrib.texi: Add copyright notice.
1128 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1130 * doc/md.texi: Use four digit years in copyright notice.
1132 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1134 * config.gcc: For $target_alias of athlon-*, set
1135 target_cpu_default2=5.
1137 Thu Jun 7 16:17:40 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1139 * global.c (build_insn_chain): Allow ADDR_VEC or ADDR_DIF_VEC after
1140 end of last block if last real insn is a JUMP_INSN.
1142 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
1146 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1148 * gthr-posix.h (__gthread_objc_thread_detach): Simply cast
1149 pthread_t to objc_thread_t.
1150 (__gthread_objc_thread_id): Likewise.
1152 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1154 * alpha/osf5.h (CPP_XFLOAT_SPEC): Override default definition.
1155 (ASM_OLDAS_SPEC): Likewise.
1157 * alpha/osf.h (CPP_XFLOAT_SPEC): Define.
1158 (CPP_SUBTARGET_SPEC): Use it.
1159 (ASM_OLDAS_SPEC): Define.
1161 (SUBTARGET_EXTRA_SPECS): Define, declare the new specs above.
1163 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1165 * config/alpha/alpha.c (alpha_va_arg): Handle TFmode, TCmode args,
1166 passed by reference.
1168 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
1170 * doc/tm.texi (TARGET_SWITCHES, TARGET_OPTIONS): Adjust markup.
1171 Document use of N_(...), and show it in examples. Note that
1172 documentation should be added to invoke.texi. Avoid an overfull
1175 Thu Jun 7 17:09:50 CEST 2001 Jan Hubicka <jh@suse.cz>
1177 * toplev.c (rest_of_compilation): Revert previous patch.
1178 * final.c (shorten_branches): Likewise.
1180 2001-06-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1182 * pself.c, pself1.c, pself2.c, pself3.c, pself4.c, pself5.c:
1185 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
1187 * doc/install-old.texi: Remove more obsolete documentation.
1189 Thu Jun 7 13:20:14 CEST 2001 Jan Hubicka <jh@suse.cz>
1191 * expr.c (copy_blkmode_from_reg): Fix operand_subword_force call.
1193 Thu Jun 7 12:12:58 CEST 2001 Jan Hubicka <jh@suse.cz>
1195 * toplev.c (rest_of_compilation): Call split_all_insns
1196 before reg-stack and shorten-branches. Do shorten-branches
1198 * final.c (shorten_branches): Remove insn splitting code.
1200 2001-06-07 Nathan Sidwell <nathan@codesourcery.com>
1202 * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
1203 * configure: Rebuilt.
1205 2001-06-07 Andreas Jaeger <aj@suse.de>
1207 * emit-rtl.c (operand_subword): Remove unused variable.
1209 Wed Jun 6 14:51:05 CEST 2001 Jan Hubicka <jh@suse.cz>
1211 * i386.md (floatdi?f): Avoid usinf of SSE instructions
1212 if TARGET_64BIT is false.
1213 (floatdi?f_i386_only): New insn.
1214 (floatdi?f_i386): Disable for !TARGET_64BIT.
1216 * (min?f, max?f splitters): Handle case where
1217 operands are cross-matched.
1219 * i386.h (HI_REGISTER_NAMES): Remove redundant definition
1220 (MMX_REGISTER_NAMES): Kill.
1221 (PRINT_OPERAND): Fix comment.
1222 (PRINT_REG): Likewise.
1223 * i386.c (print_reg): Kill support for 'm' CODE; simplify.
1224 (print_operand): Update comment; kill 'm'.
1226 * i386.c (x86_branch_hints): New global variable
1227 (print_operand): Support outputting of branch prediction hints.
1228 * i386.md (conditional jump patterns): Add branch prediction hints
1230 * i386.h (x86_branch_hints): Declare
1231 (TARGET_BRANCH_PREDICTION_HINTS): New macro.
1232 (PRINT_OPERAND_FUNCT_VALID_P): New.
1233 * final.c (final_forward_branch_p): New function.
1235 2001-06-06 Richard Henderson <rth@redhat.com>
1237 * flow.c (mark_used_reg): Clean up looping over multiple hard
1238 registers. Do conditional life bits across multiple hard regs.
1240 2001-06-05 Jeffrey D. Oldham <oldham@codesourcery.com>
1242 * reload1.c (reload): Revert Schmidt's change so all USEs are not
1243 deleted during reload.
1245 2001-06-05 Mark Mitchell <mark@codesourcery.com>
1247 * c-semantics.c (genrtl_scope_stmt): Write out nested inline
1248 functions here, instead of ...
1249 * c-decl.c (c_expand_body): ... here.
1251 2001-06-05 David O'Brien <obrien@FreeBSD.org>
1253 * config.gcc, config/sparc/bsd.h: Do not directly include
1254 sparc/sparc.h. Instead do it via tm_file.
1256 2001-06-05 Richard Henderson <rth@redhat.com>
1258 * dwarf2.h (DW_EH_PE_aligned): New.
1259 * dwarf2asm.c (eh_data_format_name): Name it.
1260 (dw2_asm_output_encoded_addr_rtx): Align for it.
1261 * dwarf2out.c (output_call_frame_info): Handle it for personality
1262 routine and LSDA pointers.
1264 * unwind-pe.h (DW_EH_PE_aligned): New.
1265 (base_of_encoded_value): Handle it.
1266 (read_encoded_value_with_base): Likewise.
1267 * unwind-dw2-fde.c (base_from_object): Likewise.
1268 (get_cie_encoding): Likewise.
1270 * config/alpha/elf.h: Remove ecoff commentary.
1271 * config/alpha/osf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1273 2001-06-05 David O'Brien <obrien@FreeBSD.org>
1275 * config.gcc, config/i386/bsd386.h: Do not directly include
1276 i386/386bsd.h. Instead do it via tm_file.
1278 2001-06-05 David O'Brien <obrien@FreeBSD.org>
1280 * elfos.h (USING_ELFOS_H): Identify the use of elfos.h in the same
1283 2001-06-05 Pascal Obry <obry@act-europe.fr>
1285 * configure.in: Quote $enable_win32_registry in case the value has
1289 2001-06-05 Mark Mitchell <mark@codesourcery.com>
1291 * print-rtl.c (xspaces): Remove.
1292 (print_rtx): Use printf field-width, rather than xpsaces, to
1294 * toplev.c (main): Disable sibling-call optimization if we are
1295 handling exceptions.
1297 2001-06-05 Bernd Schmidt <bernds@redhat.com>
1299 * reload1.c (reload): Delete all USEs generated during reload.
1301 2001-06-05 scott snyder <snyder@fnal.gov>
1303 * gccbug.in: Fix typo.
1305 2001-06-05 Andreas Jaeger <aj@suse.de>
1307 * builtins.def: Fix definition of __builtin_cosf, it uses float as
1308 parameter and return value.
1310 2001-06-04 Anthony Green <green@redhat.com>
1312 * config/sparc/elf.h (CPP_PREDEFINES): Don't assert cpu or
1313 machine. This is now done in sparc.h.
1315 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
1317 Correct CVS resurrection of invoke.texi.
1318 * doc/invoke.texi: Document new tree dump flags.
1320 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
1322 * c-typeck.c (build_c_cast): Use TYPE_MAIN_VARIANT when checking
1323 for casting an aggregate to its own type. Fixes PR c/2735.
1325 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
1327 * doc/texinfo.tex: Update to version 2001-05-24.08.
1329 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
1331 * c-common.h (flag_dump_translation_unit): Remove.
1332 (enum tree_dump_index): Define.
1333 (TDF_ADDRESS, TDF_SLIM): New #defines.
1334 (dump_node_to_file): Remove.
1335 (dump_node): Make extern. Add flags.
1336 (dump_flag, dump_enabled_p, dump_begin, dump_end,
1337 dump_switch_p): Prototype.
1338 * c-common.c (flag_dump_translation_unit): Remove.
1339 * c-decl.c (c_decode_option): Remove -fdump-translation-unit
1340 logic. Use dump_switch_p.
1341 * c-dump.h (struct dump_info): Add node and user fields.
1342 (dump_pointer): Declare.
1343 * c-dump.c (dump_node): Make extern. Add flags.
1344 (SOL_COLUMN, EOL_COLUMN, COLUMN_ALIGNMENT): New #defines.
1345 (dump_new_line, dump_maybe_newline): Use them.
1346 (dump_pointer): New function.
1347 (dequeue_and_dump): Check TDF_SLIM before dumping a _DECL's
1348 chain or function's body. Dump address, if TDF_ADDRESS set.
1349 (dump_flag): Define.
1350 (dump_node_to_file): Remove.
1351 (struct dump_file_info): New struct.
1352 (dump_files): New array.
1353 (dump_begin, dump_end, dump_enabled_p, dump_switch_p): Define.
1354 * c-lang.c (finish_file): Adjust dumping.
1355 * toplev.h (dump_base_name): Make extern.
1356 * invoke.texi: Document new flags.
1358 2001-06-04 Mark Mitchell <mark@codesourcery.com>
1360 * c-tree.h (lang_decl): Add pending_sizes fields.
1361 * c-decl.c (store_parm_decls): Save pending_sizes away for nested
1363 (c_expand_body): Expand them.
1364 (lang_mark_tree): Mark lang_decl:pending_sizes.
1365 * function.c (expand_pending_sizes): New function, broken out
1367 (expand_function_start): ... here.
1368 * tree.h (expand_pending_sizes): Declare it.
1370 2001-06-04 Loren J. Rittle <ljrittle@acm.org>
1372 * doc/install.texi: Update FreeBSD information. Generalize
1373 and update information for alpha-based platforms using ELF.
1375 2001-06-04 John David Anglin <dave@hiauly1.hia.nrc.ca>
1377 * c-decl.c (get_parm_info): Use INTEGRAL_TYPE_P.
1378 (store_parm_decls): Likewise.
1379 * c-typeck.c (convert_arguments): Likewise.
1381 2001-06-04 Richard Henderson <rth@redhat.com>
1383 * sibcall.c (optimize_sibling_and_tail_recursive_call): Suppress
1384 optimization if current_function_calls_setjmp.
1386 2001-06-04 Joseph S. Myers <jsm28@cam.ac.uk>
1388 * doc/c-tree.texi: Fix documentation of TREE_STRING_LENGTH for
1391 Mon Jun 4 20:44:25 CEST 2001 Jan Hubicka <jh@suse.cz>
1393 * simplify-rtx.c (simplify_subreg): Fix combining of
1394 paradoxical subregs.
1396 Mon Jun 4 20:15:25 CEST 2001 Jan Hubicka <jh@suse.cz>
1398 * rtlanal.c (rtx_unsable_p): ADDRESSOF is stable.
1399 (no_labels_between_p): Short circuit case beg==end.
1401 Mon Jun 4 20:03:05 CEST 2001 Jan Hubicka <jh@suse.cz>
1403 * rtlanal.c (operand_preference): Fix preference for objects.
1405 Mon Jun 4 20:00:40 CEST 2001 Jan Hubicka <jh@suse.cz>
1407 * gcse.c (handle_avail_expr): Be prepared to handle single_set
1410 Mon Jun 4 19:59:46 CEST 2001 Jan Hubicka <jh@suse.cz>
1412 * combine.c (if_then_else_cond): Use simplify_subreg instead
1414 * integreate.c (sub_constants): Likewise.
1416 Mon Jun 4 19:59:12 CEST 2001 Jan Hubicka <jh@suse.cz>
1418 * emit-rtl.c (constant_subword): Deprecate; remove most of code
1419 and use simplify_gen_subreg.
1421 Mon Jun 4 19:55:23 CEST 2001 Lars Brinkhoff <lars@nocrew.org>
1423 * sibcall.c (skip_copy_to_return_value): recognize the situation
1424 when the called function's return value is copied into an
1425 intermediate pseudo, and then into the calling functions return
1428 Mon Jun 4 16:50:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1430 * simplify_rtx.c (simplify_subreg): Keep subregs on return values,
1431 check CLASS_CANNOT_CHANGE_MODE before avoiding subreg on hard reg,
1432 in case register wasn't OK previously, accept it now; allow
1433 subregs of frame pointer if reload completed and frame pointer
1436 * combine.c (sombine_simplify_rtx): Fix comment;
1437 use subreg_lowpart_offset instead of subreg_lowpart_p
1438 (gen_lowpart_for_combine): Use subreg_lowpart_offset.
1439 * rtl.h (subreg_lowpart_parts_p): Kill.
1440 (subreg_lowpart_offset, subreg_highpart_offset): Declare.
1441 * simplify-rtx.c (simplify_subreg): Use subreg_lowpart_offset.
1442 * emit-rtl.c (gen_lowpart_SUBREG): Use subreg_lowpart_offset;
1443 (gen_lowpart_common): Likewise.
1444 (subreg_lowpart_p): Likewise.
1445 (subreg_lowpart_parts_p): Kill.
1446 (subreg_lowpart_offset, subreg_highpart_offset): New function.
1448 * emit-rtl.c (gen_lowpart_common): Use simplify_gen_subreg
1449 to simplify SUBREG and REG.
1450 (gen_highpart): Use simplify_gen_subreg for all simplifications.
1452 * emit-rtl.c (gen_realpart, gen_imagpart): Do not handle
1455 * rtlanal.c (replace_regs): Use simplify_gen_subreg
1457 Mon Jun 4 09:21:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1459 * doc/c-tree.texi (ARRAY_REF): Say what type of expression must be.
1460 (ARRAY_RANGE_REF): Added description.
1462 * tree.def (ARRAY_RANGE_REF): New code.
1463 * alias.c (handled_component_p, can_address_p): Handle it.
1464 * dwarf2out.c (loc_descriptor_from_tree): Likewise.
1465 * explow.c (set_mem_attributes): Likewise.
1466 * expr.c (expand_assignment, get_inner_reference): Likewise.
1467 (expand_expr, expand_expr_unaligned, do_jump): Likewise.
1468 * fold-const.c (operand_equal_p): Likewise.
1469 * tree.c (staticp, stabilize_reference): Likewise.
1470 * varasm.c (decode_addr_const): Likewise.
1472 Sun Jun 3 21:59:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1474 * reload.c (reload_inner_reg_of_subreg): Return 1 for PLUS.
1475 (push_reload): Handle non-REG in reload_inner_reg_of_subreg case.
1477 2001-06-03 kaz Kojima <kkojima@rr.iij4u.or.jp>
1479 * gcc/config/sh/sh.c (print_operand_address, print_operand): Call
1480 mark_constant_pool_use before output_addr_const.
1481 (struct pool_node): New field wend.
1482 (add_constant): Note a sequence of constants that are referenced
1484 (pool_window_label, pool_window_last): New variables.
1485 (dump_table): Emit a unspec_volatile representing the end of a
1486 sequence of constants.
1487 (mark_constant_pool_use): New function.
1488 * gcc/config/sh/sh.md (UNSPECV_WINDOW_END): New constant.
1489 (consttable_2): Add the second operand which flags whether
1490 this consttable entry was used or not.
1491 (consttable_4, consttable_8, consttable_sf, consttable_df):
1493 (consttable_window_end): New insn.
1495 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
1497 * insn-addr.h (INSN_ADDRESSES_NEW): Make insn_uid__ unsigned.
1498 Reformat according to coding standards.
1501 * config/sh/sh.c (print_operand_address): Cast INTVAL to int.
1502 (shl_and_kind): Cast wide constant.
1503 (gen_far_branch): Define as static, as in declaration.
1504 (barrier_align): Compute cache-line length as unsigned. Add
1505 parentheses in initial credit computation.
1506 (rounded_frame_size): Add parentheses.
1507 (permanent_obstack): Remove declaration. Include ggc.h for
1508 declaration of ggc_add_root_rtx().
1509 (get_free_reg): Removed declaration of unused variable reg.
1510 (legitimize_pic_address): Mark mode argument as unused.
1512 2001-06-03 Igor Shevlyakov <igor@windriver.com>
1514 * config/sh/sh.c (output_branch): Support for insn with lenght
1515 attr 12 & 16 which represents cond branches outside +-4096 range.
1517 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
1519 * config/sh/lib1funcs.asm (ic_invalidate): Align the
1520 cache-mirroring sequence. Add nops.
1522 2001-06-03 Joseph S. Myers <jsm28@cam.ac.uk>
1524 * doc/install-old.texi: Remove more old installation
1526 * doc/install.texi: Add relevant parts here.
1528 2001-06-03 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1530 * doc/install.texi2html: New script.
1532 2001-06-03 David Edelsohn <edelsohn@gnu.org>
1534 * doc/install.texi: Update AIX information again.
1536 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1538 * doc/gcc.texi, doc/install-old.texi: Remove old system-specific
1539 installation documentation.
1540 * doc/install.texi: Move it to here.
1542 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1544 * doc/install.texi: Clean up Texinfo markup.
1546 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1548 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi: Move contents
1549 to just after title page.
1551 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1553 * doc/install-old.texi: Remove documentation of some configuration
1555 * doc/install.texi: Add relevant parts of this documentation here.
1557 2001-06-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1559 * contrib.texi: Updated entries for Mark Mitchell, Joseph S. Myers,
1560 Gerald Pfeifer, Bernd Schmidt, and Dean Wakerley.
1562 Sat Jun 2 12:23:51 CEST 2001 Jan Hubicka <jh@suse.cz>
1564 * i386.md (all uses of ext_register_operand): Make sure they are
1565 VOIDmode; replace all uses outside zero_extend.
1566 (and?i splitters): Use ext_register_operands.
1567 (test?i peep2): Remove ignored constraints.
1568 * i386.c (ext_register_operand): Check that operand is
1569 eighter pseudo or hard or 'Q' register.
1571 Sat Jun 2 06:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1573 * tree.h (struct record_layout_info_s): New field unpadded_align.
1574 (set_lang_adjust_rli): New declaration.
1575 * stor-layout.c (layout_decl): If DECL is packed, but at alignment
1576 it would have if not packed, do not downgrade DECL_ALIGN.
1577 (lang_adjust_rli, set_lang_adjust_rli): New.
1578 (start_record_layout): Initialize new field unpadded_align.
1579 (debug_rli): Display it.
1580 (place_union_field, place_field): Set it.
1581 (layout_type, case RECORD_TYPE): Call via lang_adjust_rli if set.
1583 * print-tree.c (print_node): Don't print "regdecl" when bit doesn't
1584 mean that; use proper names instead.
1585 Print DECL_NO_STATIC_CHAIN.
1587 * except.c (expand_builtin_frob_return_addr): Add missing call
1588 to convert_memory_address #ifdef POINTERS_EXTEND_UNSIGNED.
1589 (expand_builtin_eh_return): Likewise.
1590 (expand_eh_return): Clean up ptr_mode != Pmode cases.
1592 2001-06-01 Jan van Male <jan.vanmale@fenk.wau.nl>
1594 * doc/invoke.texi: Remove references to papers about sequence points
1595 to readings.html, refer to that page.
1597 2001-06-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1599 * README: Update references to installation instructions.
1601 2001-06-01 Laurent Guerby <guerby@acm.org>
1602 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1604 * doc/install.texi: Define srcdir when sources come from CVS.
1605 Significantly improve markup. Wrap overly long lines
1607 2001-06-01 DJ Delorie <dj@redhat.com>
1609 * c-tree.texi, contrib.texi, cpp.texi, cppinternals.texi,
1610 extend.texi, fdl.texi, gcov.texi, invoke.texi, md.texi,
1611 objc.texi, rtl.texi, tm.texi, texinfo.tex, gcc.1, cpp.1,
1612 gcov.1: Move to doc subdirectory.
1613 * install.texi: Move to doc/install-old.texi.
1614 * gcc.texi: Move to doc, refer to install-old.texi.
1615 * Makefile.in: Reflect move of docs to doc/.
1616 * f/Make-lang.in: Ditto.
1617 * java/Make-lang.in: Ditto.
1618 * doc/.cvsignore: New.
1620 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
1622 * invoke.texi: use two spaces between command options, eliminate
1623 some 'overfull hboxes'
1625 2001-06-01 Hans-Peter Nilsson <hp@axis.com>
1627 * Makefile.in (s-mlib): Make backtick-commands always succeed.
1628 (DRIVER_DEFINES): Ditto.
1630 2001-05-31 Richard Henderson <rth@redhat.com>
1632 * gcc.c (init_gcc_specs): When linking against libgcc_s.so,
1633 also link against libgcc.a.
1635 2001-05-31 Geoff Keating <geoffk@cygnus.com>
1637 * config/mips/mips.h (ASM_OUTPUT_ASCII): Convert to function.
1638 * config/mips/mips.c (mips_output_ascii): New function.
1639 * config/mips/mips-protos.h (mips_output_ascii): Prototype.
1641 * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Force to 4.
1643 Thu May 31 19:09:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1645 * flow.c (set_block_for_new_insns): Remove bogus shortcut.
1646 * i386.c (ix86_expand_int_movcc): Force one of operands to be register.
1648 2001-05-31 Rodney Brown <rbrown64@csc.com.au>
1650 * install.texi (Configuration): Add html links for --with-gnu-as &
1651 --with-gnu-ld and refer to them from hppa & SCO triplets.
1652 (Specific): Link back to with-gnu-ld for all ELF platfoms.
1653 (Specific): Reword AVR binutils recommendation.
1655 2001-05-30 Zack Weinberg <zackw@stanford.edu>
1657 * ggc-page.c (size_lookup): Increase minimum allocation size
1659 (ggc_print_statistics): Report size of each bin in bytes, not
1660 as its order; there is no longer a direct relationship.
1662 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
1664 * extend.texi: Fix formating of examples, eliminate some
1666 * gcc.texi: Eliminate some 'overfull hboxes'.
1667 * invoke.texi: Use two spaces between command options, eliminate
1668 some 'overfull hboxes'.
1670 2001-05-30 Richard Henderson <rth@redhat.com>
1672 * dwarf2out.c (dwarf2out_finish): Don't emit DW_AT_stmt_list at -g1.
1674 2001-05-30 Tom Tromey <tromey@redhat.com>
1676 * gcc.c (do_spec_1): In `%O' case, if we computed saved_suffix,
1677 use it in the new association.
1679 2001-05-30 Loren J. Rittle <ljrittle@acm.org>
1680 John David Anglin <dave@hiauly1.hia.nrc.ca>
1682 * gthr-posix.h (__gthread_active_ptr): Cast function pointer
1683 to target type to allow ISO C++ compiler to accept it.
1684 * gthr-dce.h (__gthread_active_ptr): Likewise.
1685 * gthr-solaris.h (__gthread_active_ptr): Likewise.
1687 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
1689 * cpplex.c (_cpp_lex_token): Revert patch of 16 May 2001
1690 so that we do accept comments in preprocessed input.
1692 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
1694 * cpphash.c (alloc_node): Cast allocated pointer.
1696 2001-05-30 Gordon Sadler <gbsadler1@lcisp.com>
1698 * invoke.texi (Option Summary): Remove -isystem-c++ from options.
1700 2001-05-29 Stan Shebs <shebs@apple.com>
1702 * gcc.texi: Add links for information about Objective-C.
1704 2001-05-29 Nathan Sidwell <nathan@codesourcery.com>
1706 * configure.in (gcc_version): Remove unrequired \ on ". (Solaris
1707 /bin/sed fails on [^\"]).
1708 (configargs.h): Likewise.
1710 2001-05-29 Hartmut Schirmer <SchirmerH@Innovative-Systems.de>
1712 * config/sh/sh.h (IDENT_ASM_OP): End with TAB, not LF.
1714 2001-05-28 Stan Shebs <shebs@apple.com>
1716 * objc/objc.gperf: Remove, no longer used.
1718 2001-05-28 Joseph S. Myers <jsm28@cam.ac.uk>
1720 * c-tree.texi, contrib.texi, cpp.texi, extend.texi, gcc.texi,
1721 gcov.texi, install.texi, md.texi, objc.texi, rtl.texi, tm.texi:
1722 Remove trailing whitespace.
1724 2001-05-28 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1726 * doc/install.texi (Specific): http://reality.sgi.com/ariel/freeware/
1727 became http://freeware.sgi.com/.
1729 2001-05-27 Geoffrey Keating <geoffk@redhat.com>
1731 * local-alloc.c (update_equiv_regs): Don't eliminate constant
1734 2001-05-27 Stan Shebs <shebs@apple.com>
1736 * objc/objc-act.c: Add/fix various comments.
1737 (init_selector): Remove, no longer used.
1738 (build_msg_pool_reference): Ditto.
1739 (objc_debug): Ditto.
1741 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
1743 * c-decl.c (init_decl_processing):
1744 Don't call start_identifier_warnings.
1745 * flags.h (warn_id_clash, id_clash_len): Remove.
1746 * stringpool.c: Don't include flags.h.
1747 (scan_for_clashes, do_identifier_warnings,
1748 start_identifier_warnings): Remove.
1749 * toplev.c (warn_id_clash, id_clash_len): Remove.
1750 (display_help): Don't document -Wid-clash.
1751 (decode_W_option): Print warning on -Wid-clash.
1752 * tree.h (start_identifier_warnings): Remove.
1753 * invoke.texi: Remove documentation of -Wid-clash.
1755 2001-05-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1757 * fixinc/fixtests.c: Declare entries in ENV_TABLE.
1759 2001-05-27 Bruce Korb <bkorb@gnu.org>
1761 * fixinc/check.tpl(HACK) add and use a Scheme variable
1762 (has no test text): error out if no "test_text" is defined
1763 * fixinc/fixincl.tpl: likewise
1764 (FIXIDX): make it an enumeration so we minimize diffs
1765 * fixinc/inclhack.def: re-alphabetize and add sort instructions
1766 * fixinc/fixincl.x: regenerate
1767 * fixinc/tests/base/stdio.h: test output got moved due to
1769 * README-fixinc: rewrite (mostly)
1771 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
1773 * cpplib.c (run_directive): Set pfile->directive.
1775 2001-05-23 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1777 * c-tree.texi: Reformat the manual as a single chapter now
1778 included by gcc.texi.
1779 * gcc.texi: Include c-tree.texi. Merge all indexes.
1780 * Makefile.in (dvi): Add generation for the cppinternals
1781 documentation. Added dependencies on fdl.texi and c-tree.texi
1782 where appropriate. Use TEXI2DVI instead of custom tex calls.
1783 (info): Added dependencies on fdl.texi and c-tree.texi where
1784 appropriate. Remove the target c-tree.info.
1786 2001-05-27 Lars Brinkhoff <lars@nocrew.org>
1788 * combine.c (try_combine): Fix typo in comment.
1789 * expr.c (expand_expr): Likewise.
1790 * config/i370/i370.md (untyped_call): Likewise.
1792 2001-05-26 Bruce Korb <bkorb@gnu.org>
1794 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
1795 when fixincl is operating in test mode
1796 * fixinc/inclhack.def(AAB_dgux_int_varargs) : aesthetics
1797 (AAB_ultrix_limits): remove redundant text
1798 (AAB_ultrix_memory): ditto
1799 (AAB_ultrix_string): ditto
1800 (djgpp_wchar_h): fix the test text
1801 (irix_stdio_va_list): add test text
1802 (irix_limits_const): add a testing output file (limits.h is overwritten)
1803 (strict_ansi_not_ctd): put limits.h second in list for same reason
1804 (solaris27_mutex_init): test text needed selection text, too
1806 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
1807 when fixincl is operating in test mode
1809 2001-05-26 Philip Blundell <philb@gnu.org>
1811 * config/c4x/c4x-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
1812 * config/i960/i960-protos.h: Likewise.
1813 * config/i370/i370-protos.h: Likewise.
1814 * config/h8300/h8300-protos.h: Likewise,
1815 * config/sh/sh-protos.h: Likewise.
1816 * config/v850/v850-protos.h: Likewise.
1818 2001-05-26 Philip Blundell <philb@gnu.org>
1820 * config/arm/arm-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
1822 2001-05-25 Zack Weinberg <zackw@stanford.edu>
1824 * toplev.c (debug_args, f_options, W_options): Mark
1825 descriptions for translation.
1826 (display_help): Translate descriptions on output.
1828 * cp/lang-options.h, f/lang-options.h, java/lang-options.h,
1829 objc/lang-options.h: Mark descriptions for translation.
1831 * aclocal.m4: Quote final argument of patsubst. Use
1832 3-argument form of AC_DEFINE. Restore quotes to [] while
1834 * configure.in: Remove unnecessary changequote calls.
1835 * configure, config.in: Regenerate.
1837 2001-05-25 Sam TH <sam@uchicago.edu>
1839 * basic-block.h: Fix header include guards.
1840 * bitmap.h c-dump.h c-lex.h c-pragma.h c-tree.h collect2.h
1841 cppdefault.h cpphash.h cpplib.h defaults.h diagnostic.h errors.h
1842 except.h flags.h gcc.h gcov-io.h graph.h gstab.h gthr-aix.h
1843 gthr-dce.h gthr-posix.h gthr-rtems.h gthr-single.h gthr-solaris.h
1844 gthr-vxworks.h gthr-win32.h gthr.h hard-reg-set.h hwint.h
1845 insn-addr.h libgcc2.h mbchar.h mkdeps.h params.h prefix.h real.h
1846 rtl.h sbitmap.h system.h timevar.h toplev.h tradcpp.h tsystem.h
1847 varray.h version.h: Likewise.
1848 * config/dbxelf.h config/fp-bit.h config/arm/arm-protos.h
1849 config/arm/arm.h config/c4x/c4x-protos.h
1850 config/h8300/h8300-protos.h config/h8300/h8300.h
1851 config/i370/i370-protos.h config/i370/i370.h
1852 config/i960/i960-protos.h config/mcore/mcore.h
1853 config/mips/mips-protos.h config/sh/sh-protos.h config/sh/sh.h
1854 config/v850/v850-protos.h config/v850/v850.h: Likewise.
1855 * fixinc/fixlib.h fixinc/server.h: Likewise.
1857 2001-05-25 Stacey Sheldon <ssheldon@Catena.com>
1859 * config/arc/initfini.c (.init): Fix typo.
1861 2001-05-25 Geoffrey Keating <geoffk@redhat.com>
1863 * config/rs6000/rs6000.md (fseldfsf4): Correct mode of operand 4.
1865 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1867 * i386/i386.h (CC1_CPU_SPEC): Clarify -m486 etc deprecation messages.
1869 2001-05-25 Richard Henderson <rth@redhat.com>
1871 * libgcc-std.ver: Export XFmode and TFmode versions of symbols.
1873 2001-05-25 Richard Henderson <rth@redhat.com>
1875 * config.gcc (all gnu and linux): Use t-slibgcc-elf-ver with t-linux.
1876 (i386-*-solaris2): Use t-slibgcc-elf-ver or t-slibgcc-sld.
1877 (sparc*-*-solaris2): Likewise.
1878 * config/t-linux: Remove shared libgcc macros.
1879 * config/t-slibgcc-elf-ver: Move from sparc/t-slibgcc.
1880 * config/t-slibgcc-sld: Move from sparc/t-slibgcc-sld.
1882 2001-05-25 Loren J. Rittle <ljrittle@acm.org>
1884 * config.gcc (*-*-freebsd*): Report bad configuration.
1886 2001-05-25 David Edelsohn <edelsohn@gnu.org>
1888 * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Do not emit any marker.
1890 * config/rs6000/aix.h (USER_LABEL_PREFIX): AIX symbols do not have
1892 (ASM_OUTPUT_LABELREF): Delete.
1894 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1896 * fixinc/inclhack.def (strict_ansi_not, strict_ansi_not_ctd,
1897 strict_ansi_only): Don't run if stdc_0_in_system_headers.
1898 * fixinc/fixincl.x: Regenerate.
1899 * fixinc/fixtests.c (stdc_0_in_system_headers_test): New function.
1900 (FIX_TEST_TABLE): Declare it.
1901 * fixinc/fixlib.h: Include config.h.
1903 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1905 * fixinc/inclhack.def (alpha___assert): Change char * args to
1906 const char * on Tru64 UNIX to avoid excessive warnings from
1908 * fixinc/fixincl.x: Regenerate.
1910 2001-05-25 Geoff Keating <geoffk@redhat.com>
1912 * dbxout.c (dbxout_symbol): Invert previous patch, which was
1913 outputting a tag only for variable-size records.
1915 2001-05-25 Jeff Knaggs <jknaggs@redhat.com>
1917 * config/alpha/alpha.md (movtf_internal): Use reg_overlap_mentioned_p
1918 instead of rtx_equal_p for early clobber test.
1920 2001-05-26 Mark Mitchell <mark@codesourcery.com>
1922 * builtins.def: Encode additional information, such as names and
1924 * builtin-types.def: New file.
1925 * builtins.c (built_in_names): Adjust use of DEF_BUILTIN.
1926 (built_in_decls): Likewise. Don't explicitly initialize global
1928 (expand_builtin_mathfn): Handle float and long double variants of
1930 (expand_builtin): Likewise.
1931 * c-common.c (c_common_nodes_and_builtins): Make it table-driven.
1932 (expand_tree_builtin): Handle long, long long, float, and long
1933 double variants of math functions.
1934 * c-common.h (c_tree_index): Remove some unused nodes.
1935 (void_ftype): Remove.
1936 (void_type_ptr): Likewise.
1937 (int_ftype_int): Likewise.
1938 (ptr_ftype_sizetype): Likewise.
1939 * c-decl.c (init_decl_processing): Remove creation of DWARF
1941 * defaults.h (MD_INIT_BUILTINS): Provide default definition.
1942 * tree.h (built_in_function): Adjust definition of DEF_BUILTIN.
1943 * Makefile.in (c-common.o): Depend on builtin-types.def.
1945 2001-05-25 Dale Johannesen <dalej@apple.com>
1947 * config/rs6000/t-darwin: Fix dependencies for darwin.o.
1949 2001-05-25 Neil Booth <neil@daikokuya.demon.co.uk>
1951 * c-parse.in (notype_initdcl): Remove redundant line.
1953 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1955 * aclocal.m4: Fixed typo.
1956 (gcc_AC_HEADER_STDBOOL): Define.
1957 (gcc_AC_C__BOOL): Define.
1958 * configure.in: Use them.
1959 (AC_CHECK_HEADERS): Remove stdbool.h
1960 * configure, config.in: Regenerate.
1962 2001-05-25 Richard Henderson <rth@redhat.com>
1964 * function.c (expand_function_start): Don't abort on PARALLEL
1965 returns from hard_function_value.
1967 2001-05-25 Richard Henderson <rth@redhat.com>
1969 * config/i386/i386.md: Revert previous change. Do not apply
1970 the peephole if the components do not die after the sequence.
1972 2001-05-25 Joseph S. Myers <jsm28@cam.ac.uk>
1974 * c-parse.in (array_declarator): New. Handle C99 constructs.
1975 Don't restrict [*] declarators to C only.
1976 (after_type_declarator, parm_declarator_starttypename,
1977 parm_declarator_nostarttypename, notype_declarator,
1978 direct_absdcl1): Use it.
1979 * c-decl.c (build_array_declarator, set_array_declarator_type):
1980 New functions. Warn that [*] isn't properly implemented; pedwarn
1981 for [*] outside C99 mode if pedantic rather than giving a hard
1983 (grokdeclarator): Handle static and type qualifiers in parameter
1985 * c-tree.h (build_array_declarator, set_array_declarator_type):
1987 * extend.texi (Attribute Syntax): Document attributes in parameter
1990 2001-05-25 Mark Mitchell <mark@codesourcery.com>
1992 * config/i386/i386.md: Make sure cmpstr peepholes do not
1993 affect liveness information.
1995 2001-05-24 Mark Mitchell <mark@codesourcery.com>
1997 * c-typeck.c (digest_init): Issue error messages about
1998 invalid constants, not warnings.
2000 2001-05-24 Mark Mitchell <mark@codesourcery.com>
2002 * invoke.texi (-fno-builtin): Document that this is always on
2005 2001-05-24 Philip Blundell <philb@gnu.org>
2007 * doc/install.texi (arm*-*-linux-gnu): Say that binutils 2.10 is
2010 2001-05-24 Philip Blundell <philb@gnu.org>
2012 * config/arm/arm.c (output_return_instruction): Correctly handle
2013 interworking and interrupt functions.
2015 2001-05-24 Philip Blundell <philb@gnu.org>
2017 * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for
2018 -m{no-}sched-prolog. Fix typos and improve formatting.
2020 2001-05-24 Philip Blundell <philb@gnu.org>
2022 * invoke.texi (ARM Options): Improve wording slightly. Add
2023 documentation for more options, including those for Thumb mode.
2024 Don't mention options that don't exist or are unimplemented.
2025 (Thumb Options): Delete; merged into above section.
2027 2001-05-24 Geoff Keating <geoffk@redhat.com>
2029 * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define.
2030 (MD_FALLBACK_FRAME_STATE_FOR): Use it.
2032 Thu May 24 19:47:19 CEST 2001 Jan Hubicka <jh@suse.cz>
2034 * simplify-rtx.c (simplify_subreg): Fix CONCAT simplification;
2035 fix hard register simplification.
2037 Thu May 24 00:15:17 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2039 * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead
2040 of just copying CPP_CPU_SPEC.
2042 Thu May 24 15:56:48 CEST 2001 Jan Hubicka <jh@suse.cz>
2044 * i386.c (incdec_operand): Accept only 1 and -1.
2046 2001-05-23 Kelley Cook <kelley.cook@home.com>
2048 * Makefile.in: Move many of the *_H definitions eariler in the
2049 file, so that rules in t-* files that use them for
2050 dependencies will work in a parallel build.
2051 * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H).
2053 2001-05-23 Richard Henderson <rth@redhat.com>
2055 * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT.
2057 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
2059 * cpp.texi: Update for handling of charconsts.
2060 * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF. Update
2061 diagnostics. Skip to the end if the UCS is too short.
2062 (cpp_interpret_charconst): Long charconsts issue a warning
2065 2001-05-23 Richard Henderson <rth@redhat.com>
2067 * doc/install.texi (alpha-linux): Require binutils 2.11.
2069 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
2071 * c-lex.c (read_escape, read_ucs): Delete.
2072 (lex_string): Use cpp_parse_escape.
2073 * cpplex.c (read_ucs): Rename maybe_read_ucs. Do nothing
2074 if not C++ or not C99. Warn if traditional.
2075 (parse_escape): Rename cpp_parse_escape. Make the bitmask
2076 unsigned. Warn for out-of-range escape sequences here.
2077 Update to use maybe_read_ucs.
2078 (cpp_interpret_charconst): Don't warn here.
2079 * cpplib.h (cpp_parse_escape): New exported function.
2081 2001-05-23 Joseph S. Myers <jsm28@cam.ac.uk>
2083 * extend.texi (Attribute Syntax): Clarify application of
2084 attributes to parameters declared as functions or arrays.
2086 2001-05-23 Jason Merrill <jason_merrill@redhat.com>
2088 * dbxout.c (dbxout_type_methods): Do still group methods by name.
2090 2001-05-23 Zack Weinberg <zackw@stanford.edu>
2092 * diagnostic.c (vnotice): Kill.
2093 (fnotice): Call vfprintf directly.
2094 (diagnostic_for_decl, output_do_verbatim, output_verbatim,
2095 verbatim, set_diagnostic_context): Rename string argument to
2096 indicate that it is run through gettext.
2097 (vbuild_message_string, build_message_string, output_do_printf):
2098 Rename string argument to indicate that it is NOT run through
2100 (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
2101 output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
2102 Run msgid argument through gettext.
2103 (default_print_error_function): Run constant strings through
2104 gettext when nothing else will.
2105 (fatal_error, internal_error, error_recursion): Use fnotice.
2106 Present complete sentences to gettext.
2108 2001-05-23 Mark Mitchell <mark@codesourcery.com>
2110 * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
2112 2001-05-23 Richard Henderson <rth@redhat.com>
2114 * function.c (expand_function_start): Always use a pseudo
2115 for the function result value.
2117 2001-05-22 Richard Henderson <rth@redhat.com>
2119 * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
2120 section pointer alignment.
2122 * doc/install.texi (alpha-linux): Require binutils >= 2.10.
2124 * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
2125 of __USER_LABEL_PREFIX__.
2127 2001-05-22 Richard Henderson <rth@redhat.com>
2129 * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favour of...
2130 (__deregister_frame_info_bases): New.
2131 * unwind-dw2-fde.h: Declare it.
2132 * libgcc-std.ver: Export it.
2133 * crtstuff.c (__do_global_dtors_aux): Call it if we would have
2134 called __register_frame_info_bases.
2136 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2138 * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair
2139 instead of #elif (which is OK for this case but not in general).
2141 2001-05-22 Andrew MacLeod <amacleod@redhat.com>
2143 * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
2144 * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
2145 parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
2146 * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
2147 "r2" to the assembly file. Only issue allocs with non-zero parameters.
2149 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2150 David O'Brien <obrien@freebsd.org>
2152 * config/freebsd.h (LIB_SPEC): Key the exact setting to
2153 configure-time options and target version of FreeBSD. Set-up
2154 to match architectural change in threading support. Correctly
2155 report when -pthread option is not supported by configure-time
2157 (FBSD_CPP_PREDEFINES): Move from architecture-specific files
2158 and extend to encode target version number in run-time setting
2159 of __FreeBSD__ macro to match the system compiler.
2160 (CPP_PREDEFINES): Likewise.
2161 (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
2163 * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
2164 * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
2166 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2167 David O'Brien <obrien@freebsd.org>
2169 * config.gcc (the unlabeled system switch statement): Add
2170 generic configuration section to handle *-*-freebsd*. Also,
2171 to match the system compiler, default to threading support (it
2172 may be disabled with the standard --disable-threads
2173 configuration-time switch).
2174 (i[34567]86-*-freebsd* in machine-specific section): Use it.
2175 (alpha*-*-freebsd* in machine-specific section): Likewise.
2177 * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
2178 * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
2179 * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
2180 * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
2181 * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
2183 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2184 David O'Brien <obrien@freebsd.org>
2186 * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
2187 * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
2188 -pthread instead setting macro.
2190 2001-05-22 Richard Henderson <rth@redhat.com>
2192 * crtstuff.c (__register_frame_info_bases): Declare.
2193 (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
2194 (__do_global_dtors_aux, __do_global_dtors): Streamline.
2196 * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
2197 (CRT_GET_RFIB_DATA): New.
2198 * config/i386/sysv4.h: Likewise.
2199 * config/i386/sco5.h: Likewise.
2200 (ASM_PREFERRED_EH_DATA_FORMAT): New.
2202 2001-05-22 Richard Henderson <rth@redhat.com>
2204 * rtl.c (read_string): Break out from ...
2205 (read_rtx): ... here.
2207 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2209 * doc/install.texi (Specific): Remove a bogus and duplicate part
2210 copied from the end of the document.
2212 2001-05-22 Bernd Schmidt <bernds@redhat.com>
2214 * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency.
2216 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2218 * install.texi: Remove obsolete information on SunOS as well as
2219 i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
2220 (Installing GNU CC on the Sun): Remove section.
2222 2001-05-22 Alexandre Oliva <aoliva@redhat.com>
2224 * cppfiles.c (remove_component_p): Don't assume lstat/stat will
2225 keep errno unchanged on success.
2227 2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk>
2229 * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
2230 once for hexadecimal floats, whether or not they contain a decimal
2231 point. Don't let the setting of pedantic otherwise affect the
2232 parsing of hexadecimal floats.
2234 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2236 * README.ACORN: Remove obsolete file.
2238 2001-05-22 Jan Hubicka <jh@suse.cz>
2240 * combine.c (gen_binary): Use swap_commutative_operands_p
2241 (simplify_comparison): Likewise.
2242 * expmed.c (emit_store_flag): Likewise.
2243 * expr.c (compare_from_rtx): Likewise.
2244 (do_compare_rtx_and_jump): Likewise.
2245 * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort
2246 if not emitting a branch and operands want swapping.
2248 2001-05-22 Neil Booth <neil@daikokuya.demon.co.uk>
2250 * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.
2251 * stringpool.c: (IS_FE_IDENT, make_identifier): Delete.
2252 (maybe_get_identifier): Update.
2253 * tree.h (make_identifier): Delete.
2255 2001-05-21 Richard Henderson <rth@redhat.com>
2257 * combine.c (subst): Do not substitute for a register as
2258 a destination subreg/strict_low_part/zero_extract.
2260 * combine.c (simplify_comparison): Update op1 after constant
2262 * recog.c (const_int_operand): Accept only constants valid
2264 * genrecog.c: Update comments wrt const_int_operand.
2266 * emit-rtl.c (init_emit_once): Zero unused memory in a
2269 2001-05-21 Mark Mitchell <mark@codesourcery.com>
2271 * tree.h (type_num_arguments): Declare it.
2272 * tree.c (type_num_arguments): New function.
2274 2001-05-21 Richard Henderson <rth@redhat.com>
2276 * dwarf2out.c (current_funcdef_number): Move outside dwarf2
2279 2001-05-21 Geoff Keating <geoffk@redhat.com>
2281 * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
2283 (minsf3): Use rs6000_emit_minmax.
2284 (minsf3+1): Generalize to handle both SMIN and SMAX. Use
2286 (movsfcc): Use rs6000_emit_cmove.
2287 (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
2288 Don't generate emit_fselsfsf4.
2289 (fseldfsf4): Likewise.
2290 (maxdf3): Use rs6000_emit_minmax.
2292 (mindf3): Use rs6000_emit_minmax.
2293 (mindf3+1): Generalize to handle both SMIN and SMAX. Use
2295 (movdfcc): Use rs6000_emit_cmove.
2296 (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
2297 Don't generate emit_fselsfsf4.
2298 (fselsfdf4): Likewise.
2299 * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
2300 (min_max_operator): New predicate.
2301 (rs6000_emit_cmove): New function.
2302 (rs6000_emit_minmax): New function.
2303 * config/rs6000/rs6000-protos.h: Prototype new functions.
2304 * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
2305 and min_max_operator.
2307 * config/rs6000/rs6000.c (output_cbranch): Handle all
2308 conditional types in the switch statement.
2310 2001-05-21 Mark Mitchell <mark@codesourcery.com>
2312 * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
2313 non-register variables.
2314 * extend.texi: Document that asm-specifications do not make sense
2315 for non-static local variables.
2317 2001-05-21 Jason Merrill <jason_merrill@redhat.com>
2319 * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
2320 (dbxout_type_fields): Lose minimal_debug support.
2321 (dbxout_type_methods, dbxout_type): Likewise.
2323 2001-05-17 Andrew Haley <aph@redhat.com>
2325 * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
2327 2001-05-21 Richard Henderson <rth@redhat.com>
2329 * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION.
2332 2001-05-20 Richard Henderson <rth@redhat.com>
2334 * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
2335 DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION,
2336 DEBUG_STR_SECTION): Rename from s/DEBUG_//. Update all users.
2337 * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
2338 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION):
2340 * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
2341 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION,
2342 DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above.
2343 (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
2344 * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
2345 DEBUG_PUBNAMES_SECTION): Rename as above.
2346 (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
2348 2001-05-20 Richard Henderson <rth@redhat.com>
2350 * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative
2351 operands unless the operation is commutative.
2353 2001-05-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2355 * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative
2358 2001-05-21 Joseph S. Myers <jsm28@cam.ac.uk>
2360 * extend.texi: Clarify documentation of extensions included in ISO
2361 C99. Prefer C99 terminology and syntax to old GNU terminology and
2362 syntax. Add more index entries. Document mixed declarations and
2363 code as an extension in C89 mode. Warn about future changes to
2364 semantics of inline functions. Fixes PR other/930.
2366 Sun May 20 16:39:24 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2368 * expr.c (expand_expr, case ARRAY_REF): Don't fold constant
2369 access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
2370 (expand_expr, case COMPONENT_REF): Do copy if misaligned even
2371 if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
2373 * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL.
2375 2001-05-20 Richard Henderson <rth@redhat.com>
2377 * sched-deps.c (sched_analyze_insn): Force volatile memory reads
2378 to be output before a branch.
2380 2001-05-20 Richard Henderson <rth@redhat.com>
2382 * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
2384 2001-05-20 Richard Henderson <rth@redhat.com>
2386 * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
2387 (ASM_DOUBLE): Remove.
2388 * config/i386/bsd.h, config/i386/sco5.h: Likewise.
2389 * config/i386/sun386.h: Likewise.
2391 * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
2392 (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
2394 * config/i386/cygwin.h (INT_ASM_OP): Remove.
2395 * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
2396 * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
2397 * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
2399 * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
2400 * config/i386/djgpp.h, config/i386/i386.h: Likewise.
2401 * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
2402 * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
2403 * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
2404 * config/i386/win32.h: Likewise.
2406 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
2408 * invoke.texi: Add more options to summary list.
2410 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
2412 * invoke.texi: Document meaning of -pedantic when -std=gnu* is
2413 used. Fixes PR c/2291.
2414 * gcc.1: Regenerate.
2416 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2418 * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
2419 the -fpic and -fPIC options, clear flag_pic.
2421 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
2423 * hashtable.c (calc_hash): Fix HASHSTEP definition.
2424 * stringpool.c (make_identifier): No statistics here anymore.
2425 * objc-act.c (steup_string_decl): Remove redundant check.
2427 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
2429 * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
2430 cpplib.o, cpphash.o, fix-header): Update.
2431 (hashtable.o): New target.
2432 * c-common.h: Include cpplib.h. Define C_RID_CODE and
2433 struct c_common_identifier here.
2434 * c-lang.c (c_init_options): Update. Call set_identifier_size.
2435 * c-lex.c (c_lex): Update.
2436 * c-pragma.h: Update.
2437 * c-tree.h (struct lang_identifier): Contain c_common_identifier.
2439 (C_RID_CODE): Delete.
2440 * cpphash.c: Rewrite to use hashtable.c.
2441 * cpphash.h: Update include guards.
2442 (struct cpp_reader): Remove hashtab.
2443 hash_ob and buffer_ob are no longer pointers. Add hash_table
2445 (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete.
2446 (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
2447 (_cpp_cleanup_stacks): Rename _cpp_init_directives.
2448 * cppinit.c (cpp_create_reader): Update.
2449 * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
2450 (cpp_interpret_charconst): Eliminate warning.
2451 * cpplib.c (do_pragma, do_endif, push_conditional,
2452 cpp_push_buffer, cpp_pop_buffer): Update.
2453 (_cpp_init_stacks): Rename cpp_init_directives.
2454 (_cpp_cleanup_stacks): Remove.
2455 * cpplib.h: Update include guards. Include tree-core.h and c-rid.h.
2456 (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
2457 cpp_forall_identifiers, cpp_create_reader): Update.
2458 (C_RID_CODE, cpp_make_node): New.
2459 (c_common_identifier): New identifier node for C front ends.
2460 * cppmain.c (main): Update.
2461 * fix-header.c (read_scan_file): Update.
2462 * flags.h (id_clash_len): Make unsigned.
2463 * ggc.h (ggc_mark_nonnull_tree): New.
2466 * stringpool.c: Update comments and copyright. Update to use
2468 * toplev.c (approx_sqrt): Move to hashtable.c.
2469 (id_clash_len): Make unsigned.
2470 * toplev.h (ident_hash): New.
2471 * tree.c (gcc_obstack_init): Move to hashtable.c.
2472 * tree.h: Include hashtable.h.
2473 (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
2474 (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
2475 (struct tree_identifier): Update.
2476 (make_identifier): New.
2478 * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
2479 (C_RID_CODE): Remove.
2480 * lex.c (cxx_init_options): Call set_identifier_size. Update.
2481 (init_parse): Don't do it here.
2483 * objc-act.c (objc_init_options): Call set_identifier_size. Update.
2485 Sat May 19 18:23:04 2001 Richard Henderson <rth@redhat.com>
2487 * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
2489 (expand_eh_return): Convert between word_mode and Pmode.
2490 * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
2492 (execute_stack_op): Likewise.
2493 (execute_cfa_program): Likewise.
2494 (uw_frame_state_for): Likewise.
2495 (uw_update_context_1): Likewise.
2496 * unwind.inc (_Unwind_Reason_Code): Likewise.
2497 * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
2498 (EH_RETURN_STACKADJ_RTX): Likewise.
2499 * config/mips/mips.c (compute_frame_size): Make space for saving
2500 EH return registers.
2501 (mips_expand_epilogue): Handle EH stack adjustments.
2502 * config/mips/mips.md (eh_return): New pattern.
2503 (eh_set_lr_si): Likewise.
2504 (eh_set_lr_di): Likewise.
2505 Add splitter to perform EH return after reload.
2507 2001-05-19 Mark Mitchell <mark@codesourcery.com>
2509 * jump.c (mark_jump_label): Tidy previous change.
2511 2001-05-19 Bruce Korb <bkorb@gnu.org>
2513 * fixinc/genfixes: no need for two warnings
2514 * fixinc/Makefile.in: open stdin for those building with a closed one.
2516 2001-05-19 Mark Mitchell <mark@codesourcery.com>
2518 * jump.c (jump_optimize_1): Tidy.
2519 (mark_jump_label): When changing the label in a LABEL_REF, change
2520 update any REG_EQUAL notes as well.
2522 2001-05-19 Joseph S. Myers <jsm28@cam.ac.uk>
2524 * c-parse.in (parm_declarator): Split into
2525 parm_declarator_starttypename and parm_declarator_nostarttypename.
2526 (parm_declarator_starttypename, parm_declarator_nostarttypename):
2527 New. Allow parenthesised sub-declarators which don't begin with a
2528 TYPENAME. Fixes PR c/166.
2530 2001-05-19 Mark Mitchell <mark@codesourcery.com>
2532 * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
2534 * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
2536 * toplev.c (main): If the target does not allow profiling without
2537 a frame pointer, issue an error message.
2538 * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
2541 Sat May 19 07:53:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2543 * recog.c (general_operand): Modify last change to allow it if reload
2546 Sat May 19 10:23:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2548 * recog.c (general_operand): Prohibit nonzero subreg bytes on
2549 subregs containing mem.
2551 Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru>
2553 * regrename.c (regrename_optimize): frame pointer register can
2556 2001-05-18 Jason Merrill <jason_merrill@redhat.com>
2558 * README.DWARF: Move into dwarfout.c.
2560 2001-05-18 Dale Johannesen <dalej@apple.com>
2562 * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
2563 specific misuse of r0 as a reload address.
2565 Fri May 18 22:42:04 CEST 2001 Jan Hubicka <jh@suse.cz>
2567 * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
2570 Fri May 18 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2572 * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
2573 (add_to_sequence): Make that decision type.
2574 (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
2575 (write_switch, write_cond, debug_decision_2): Likewise.
2577 * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
2579 (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
2582 2001-05-18 Stan Shebs <shebs@apple.com>
2584 * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
2585 * configure: Regenerate.
2587 2001-05-18 Per Bothner <per@bothner.com>
2589 Changes needed for java/jvspec.c
2590 * gcc.h (n_infiles, outfiles): Add declarations.
2591 * gcc.c (n_infiles, outfiles): Mske no longer static.
2593 Fri May 18 10:14:42 2001 Jeffrey A Law (law@cygnus.com)
2595 * config/pa/som.h (EXCEPTION_SECTION): Define.
2597 2001-05-18 Daniel Berlin <dan@cgsoftware.com>
2599 * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
2601 Add have_location_lists, a variable to determine whether we need a
2602 .debug_loc section or not.
2603 (enum dw_val_class): Add dw_val_class_loc_list.
2604 (dw_val_struct): Add val_loc_list.
2605 (dw_loc_list_struct): New structure, represents location lists.
2606 (new_loc_list): New function, return a new location list, given
2607 the range and location expression.
2608 (add_loc_descr_to_loc_list): New function, add a location
2609 expression to a location list, given the expression and range.
2610 (output_loc_list): New function, output a location list.
2611 (gen_internal_sym): Modified to take symbol prefix, so we can
2612 reuse it for location list symbols.
2613 (add_AT_loc_list): New function, add a location list to a DIE at
2614 the named attribute.
2615 (AT_loc_list): New function, return the location list reference
2616 for a given attribute, if it's a location list.
2617 (print_die): Handle dw_val_class_loc_list.
2618 (size_of_die): Ditto.
2619 (value_format): Ditto.
2620 (output_die): Ditto.
2621 (output_location_lists): New function, output all of the location
2622 lists for a DIE and it's children.
2623 (dwarf2out_finish): Call output_location_lists if we have location
2627 Fri May 18 15:39:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2629 * gcse.c (try_replace_reg): First try global replace, later try to
2630 simplify the expression.
2632 * gcse.c (find_used_regs): Change calling convention; work via
2634 (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
2636 2001-05-18 Bernd Schmidt <bernds@redhat.com>
2639 2001-02-09 Nick Clifton <nickc@redhat.com>
2640 * config/arm/arm.md: Change output constraint on post inc
2641 load/store multiple patterns to be a read/write constraint.
2643 2001-05-18 Mark Mitchell <mark@codesourcery.com>
2645 * basic-block.h (struct basic_block_def): Add documentation about
2646 what a basic block is, and what the various fields are used for.
2647 * flow.c (calculate_globlal_regs_live): Add documentation about
2648 how the algorithm works, and how we know that it will terminate.
2649 Check that the the inductive assumption that guarantees
2650 termination actually holds.
2651 (mark_used_regs): Treat conditionally set registers as used.
2652 (debug_regset): Add comment.
2653 * rtl.texi (cond_exec): Add documentation.
2655 * function.c (expand_function_start): Avoid creating BLKmode
2658 2001-05-17 Mark Mitchell <mark@codesourcery.com>
2660 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
2661 DIE, even if it has no children.
2662 (dwarf2out_finish): Always output the line-number table, even if
2665 2001-05-18 David Edelsohn <edelsohn@gnu.org>
2667 * rs6000.md (movsfcc,movdfcc): Remove NE case.
2669 2001-05-17 Bruce Korb <bkorb@gnu.org>
2671 * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
2672 * fixinc/genfixes: emit a warning if AutoGen is out of date
2674 2001-05-17 Brendan Conoboy <blc@cygnus.com>
2675 Bruce Korb <bkorb@gnu.org>
2677 * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
2678 found in fixinc directory. Facilitates binary distributions.
2680 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
2682 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
2685 Thu May 17 19:42:39 2001 Mark Kettenis <kettenis@wins.uva.nl>
2687 * dwarf2out.c (modified_type_die): Equate qualified type to die.
2689 Thu May 17 23:19:46 CEST 2001 Jan Hubicka <jh@suse.cz>
2691 * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
2692 (simplify_subreg): Handle complex types represented as CONCAT.
2694 * recog.c (validate_replace_rtx_1): Properly canonicalize expression
2695 * rtl.h (swap_commutative_operands_p): Declare.
2696 * rtlanal.c (swap_commutative_operands_p): New.
2697 (operand_preference): New static function.
2699 * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
2700 (gen_binary): Likewise.
2701 * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
2702 * simplify-rtx.c (simplify_gen_binary,
2703 simplify_gen_relational): Likewise.
2705 Thu May 17 20:43:36 CEST 2001 Jan Hubicka <jh@suse.cz>
2707 * cse.c (fold_rtx): Use simplify_subreg.
2709 * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
2710 (simplify_gen_subreg): New.
2711 (simplify_rtx): Use simplify_subreg.
2712 * rtl.h (simplify_gen_subreg): Declare.
2714 2001-05-17 Mark Mitchell <mark@codesourcery.com>
2716 * doc/install.texi: Update Solaris information.
2718 * except.h (protect_cleanup_actions): Remove it.
2719 (lang_protect_cleanup_actions): Declare it.
2720 * except.c (protect_cleanup_actions): Remove it.
2721 (lang_protect_cleanup_actions): New variable.
2722 (init_eh): Don't make protect_cleanup_actions a GC root.
2723 (expand_eh_region_and_cleanup): Call
2724 lang_protect_cleanup_actions.
2725 (output_function_exception_table): Remove unused `align'
2727 * varasm.c (assemble_external): Abort if we have not yet
2728 opened the assembly output file.
2730 Thu May 17 11:54:50 2001 Jeffrey A Law (law@cygnus.com)
2732 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
2733 for eh_personality_libfunc.
2735 Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2737 * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
2738 when calling simplify_subreg. This is needed to allow replacing
2739 of expression of one mode by expression of different mode.
2741 Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz>
2743 * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs.
2745 2001-05-17 Bernd Schmidt <bernds@redhat.com>
2747 * expr.c (protect_from_queue): Protect against subsequent calls to
2749 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
2752 Thu May 17 18:17:34 CEST 2001 Jan Hubicka <jh@suse.cz>
2754 * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
2756 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2758 * gccbug.in (CATEGORIES): Add "bootstrap".
2760 Thu May 17 16:59:41 CEST 2001 Jan Hubicka <jh@suse.cz>
2762 * simplify-rtx.c (simplify_subreg): Break out from ...
2763 * combine.c (combine_splify_rtx) ... here and ...
2764 * recog.c (validate_replace_rtx_1): ... here;
2765 * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
2766 * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
2767 (subreg_lowpart_p): ... here.
2769 2001-05-17 Bernd Schmidt <bernds@redhat.com>
2771 * stmt.c (expand_asm_operands): For inout operands, make sure
2772 the substitution of '=' for '+' makes it into the rtl.
2774 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
2775 (reload_as_needed): Call update_eliminable_offsets a bit later.
2777 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2779 * gcc.texi (gccbug): Refer to the web pages for detailed information
2782 2001-05-16 Zack Weinberg <zackw@stanford.edu>
2784 * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
2786 * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
2787 OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
2788 LIB1FUNCS, and LIB1FUNCS_EXTRA. Delete rules: libgcc1-test,
2789 libgcc1-test.o. Clarify commentary now that libgcc1 no longer exists.
2790 * cross-make: Don't set LIBGCC1.
2791 * mklibgcc.in: Delete all code for building from libgcc1.c.
2792 Always honor LIB1ASMFUNCS if set.
2794 * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
2795 config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
2796 config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
2797 config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
2798 config/i386/uwin.asm, config/m68hc11/larith.asm,
2799 config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
2800 config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
2801 config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
2802 config/v850/lib1funcs.asm, config/c4x/libgcc.S:
2803 Delete or update references to libgcc1 in commentary.
2805 * config/t-libc-ok, config/t-linux, config/t-linux-aout,
2806 config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
2807 config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
2808 config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
2809 config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
2810 config/arm/t-semi, config/arm/t-strongarm-coff,
2811 config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
2812 config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
2813 config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
2814 config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
2815 config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
2816 config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
2817 config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
2818 config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
2819 config/m68k/t-m68kbare, config/m68k/t-m68kelf,
2820 config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
2821 config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
2822 config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
2823 config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
2824 config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
2825 config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
2826 config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
2827 config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
2828 config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
2829 config/mips/t-ultrix, config/mn10200/t-mn10200,
2830 config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
2831 config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
2832 config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
2833 config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
2834 config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
2835 config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
2836 config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
2837 config/sparc/t-sparclite, config/sparc/t-splet,
2838 config/sparc/t-sunos41, config/sparc/t-vxsparc,
2839 config/sparc/t-vxsparc64, config/v850/t-v850:
2840 Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
2842 * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
2843 Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
2844 * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
2845 FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
2846 nongcc_SI_type, nongcc_word_type, or perform_*
2847 * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
2849 * config/i386/386bsd.h, config/i386/beos-elf.h,
2850 config/i386/linux-aout.h, config/i386/linux-oldld.h,
2851 config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
2852 config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
2853 Don't include i386/perform.h.
2855 * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
2856 config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
2857 config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
2858 config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
2859 config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
2860 config/vax/t-openbsd, config/vax/t-vax: Delete.
2862 * config.gcc: Remove references to deleted files.
2863 (arm-semi-aof): Use arm/t-semi for tmake_file.
2865 * gcc.texi, install.texi, invoke.texi, tm.texi:
2866 Delete or rewrite text which is no longer relevant now that
2867 libgcc1 no longer exists.
2869 * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
2870 No need to set INSTALL_ASSERT_H. (Missed in previous sweep.)
2872 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
2873 Bruce Korb <bkorb@gnu.org>
2875 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
2878 2001-05-16 Zack Weinberg <zackw@stanford.edu>
2880 * i386.md: Add two peepholes to clean up code generated by
2883 2001-05-16 Richard Henderson <rth@redhat.com>
2885 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
2886 variants of non-absolute encodings.
2888 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
2890 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
2891 __register_frame_info_table_bases): Export.
2893 2001-05-16 Richard Henderson <rth@redhat.com>
2895 * except.c (eh_data_format_name): Move to ...
2896 * dwarf2asm.c: ... here. Use designated initializers if available.
2897 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
2898 * dwarf2asm.h: Update declarations.
2899 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
2900 ASM_PREFERRED_EH_DATA_FORMAT.
2901 (output_call_frame_info): Likewise. Use 'L' augmentation for
2904 * unwind-dw2-fde.h (struct fde_vector): New.
2905 (struct old_object): Rename from struct object.
2906 (struct object): New.
2907 (__register_frame_info_bases): Declare.
2908 (__register_frame_info_table_bases): Declare.
2909 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
2910 * unwind-dw2-fde.c (objects): Remove.
2911 (unseen_objects, seen_objects): New.
2912 (__register_frame_info_bases): New.
2913 (__register_frame_info): Use it.
2914 (__register_frame_info_table_bases): New.
2915 (__register_frame_info_table): Use it.
2916 (__deregister_frame_info): Rewrite for changed object struct.
2917 (base_from_object, get_cie_encoding, get_fde_encoding): New.
2918 (fde_unencoded_compare): Rename from fde_compare; uninline.
2919 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
2920 (start_fde_sort): Adjust for new definition of fde_vector.
2921 (fde_insert): Likewise.
2922 (end_fde_sort): Likewise. Select comparison function based
2923 on properties of the object.
2924 (fde_split): Take object and fde_compare_t arguments.
2925 (frame_heapsort, fde_merge): Likewise.
2926 (classify_object_over_fdes): Rename from count_fdes. Handle
2927 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
2929 (add_fdes): Handle encoded pointers.
2930 (init_object): Rename from frame_init. Update for new struct object.
2931 (linear_search_fdes): Rename from search_fdes. Handle encoded
2933 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
2934 (binary_search_single_encoding_fdes): New.
2935 (binary_search_mixed_encoding_fdes): New.
2936 (search_object): New.
2937 (_Unwind_Find_FDE): Update for new struct object. Fill in
2939 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
2940 iterating over EH data.
2941 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
2942 fde_encoding, lsda_encoding.
2943 (read_uleb128, read_sleb128): Remove.
2944 (read_encoded_pointer): Remove. All callers use read_encoded_value.
2945 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
2946 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
2948 * unwind-pe.h: Add "struct" to _Unwind_Context references.
2950 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2952 * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
2953 * cpphash.c (_cpp_lookup_with_hash): Similarly.
2954 * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
2955 cpp_spell_token, cpp_output_token): Similarly.
2956 * cpplib.c (lex_macro_node, do_undef, do_pragma,
2957 do_pragma_poison, parse_assertion, do_assert): Similarly.
2958 * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
2959 save_parameter, _cpp_create_definition, check_trad_stringification,
2960 cpp_macro_definition): Similarly.
2961 * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
2962 * c-lex.c (cb_undef, c_lex): Similarly.
2963 * fix-header.c (recognized_function): Similarly.
2964 * cpplib.h (NODE_LEN, NODE_NAME): New.
2965 (cpp_hashnode): Rename length len.
2967 Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com)
2969 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
2972 2001-05-16 Andreas Jaeger <aj@suse.de>
2974 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
2976 * toplev.c: Include dwarf2asm.h for prototype of
2977 dw2_output_indirect_constants.
2979 Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz>
2981 * stmt.c (expand_asm_operands): Be able to offload addressof
2982 expression to memory. (PR optimization/185)
2984 Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz>
2986 * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
2987 applying distributive law.
2989 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
2991 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
2993 * gthr-dce.h (UNUSED): Attribute unused macro.
2994 (__gthread_key_dtor): Make arguments UNUSED.
2995 (__gthread_key_delete): Revise for compatibility with DRAFT4
2998 2001-05-16 David Edelsohn <edelsohn@gnu.org>
3000 * doc/install.texi: Update AIX information.
3001 * README.RS6000: Remove obsolete file.
3003 2001-05-16 Jakub Jelinek <jakub@redhat.com>
3004 Nathan Sidwell <nathan@codesourcery.com>
3006 * gcc.c (give_switch): Don't write before start of string.
3007 Always append suffix.
3009 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
3011 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
3014 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3016 * README.ALTOS: Remove obsolete file.
3018 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
3020 * c-lex.h (save_and_forget_protocol_qualifiers,
3021 forget_protocol_qualifiers, remember_protocol_qualifiers):
3022 Remove deleted functions' prototypes.
3024 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
3026 * c-parse.in (methodtype): New production.
3027 (methoddef, methodproto): Collapse separate '-' and '+'
3030 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3032 * c-common.h (RID_FIRST_PQ): New.
3033 * c-parse.in (objc_pq_context): New.
3034 (objc parser): Set objc_pq_context rather than calling
3035 remember_protocol_qualifiers and forget_protocol_qualifiers.
3036 Don't call save_and_forget_protocol_qualifiers.
3037 (yylexname): Handle objc protocol qualifiers here.
3038 * stringpool.c (struct str_header): Replace with sp_hashnode.
3039 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
3040 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
3041 Allocate an IDENTIFIER_NODE for each identifier.
3042 (FORALL_STRINGS, set_identifier): Delete.
3043 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
3044 (ggc_alloc_string): Use an obstack.
3045 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
3046 * tree.h: Update comments.
3047 (set_identifier): Delete.
3048 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
3049 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
3050 remember_protocol_qualifiers): Delete.
3052 Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
3054 * flow.c (life_analysis): After life analysis is complete, do
3055 an optional scan over insns looking for REG_LABEL notes that
3056 reference a deleted label.
3057 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
3058 before peeking at LABEL_NUSES.
3060 2001-05-15 Richard Henderson <rth@redhat.com>
3062 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
3063 (_Unwind_GetTextRelBase): New.
3065 2001-05-15 Mark Mitchell <mark@codesourcery.com>
3067 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
3069 2001-05-15 Geoffrey Keating <geoffk@redhat.com>
3071 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
3072 so that CHOOSE_SECTION gets used.
3074 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
3075 TARGET_RELOCATABLE like flag_pic for now.
3077 2001-05-15 David Edelsohn <edelsohn@gnu.org>
3079 * rs6000.md (movdi splitter): Sign extend more efficiently.
3080 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
3081 to "long long" valid on 32-bit and 64-bit hosts.
3082 (logical_operand): Cast trunc_int_for_mode return value.
3083 (rs6000_emit_move): Shift macro to encapsulate variable.
3084 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
3085 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
3086 plus_constant requires signed argument.
3088 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
3090 * gthr-posix.h: Make additional pthread-* functions weak.
3092 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
3094 * recog.c (apply_change_group): Avoid unneeded validating.
3096 2001-05-14 David Edelsohn <edelsohn@gnu.org>
3098 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
3099 (num_insns_constant): CONST_INT can be 64-bits.
3101 2001-05-14 Stan Shebs <shebs@apple.com>
3103 * config/darwin.h (LIB_SPEC): Just use -lSystem.
3104 (LIBGCC_SPEC): Don't define.
3106 2001-05-14 Richard Henderson <rth@redhat.com>
3108 * configure.in (gcc_cv_as_eh_frame): New test.
3109 * config.in, configure: Rebuild.
3110 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
3112 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
3114 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
3115 extended precision divide.
3117 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
3119 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
3120 for RETURNS as well.
3122 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
3124 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
3125 (CPP_CPU??_SIZE_TYPE): New.
3126 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
3127 (CPP_CPU_SPEC): ... here; support choosing of CPU.
3128 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
3129 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
3131 * i386.c (override_options): Add sorry about not suported modes.
3133 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
3135 * config/pa/som.h (NM_FLAGS): Remove.
3136 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
3137 (ASM_OUTPUT_SECTION_NAME): Remove.
3138 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
3140 2001-05-14 Mark Mitchell <mark@codesourcery.com>
3142 * regrename.c (regrename_optimize): Do not rename registers to
3145 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
3147 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
3148 contain MEMs. Remove useless distinction about clobbering
3151 2001-05-13 Geoff Keating <geoffk@redhat.com>
3153 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
3154 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
3155 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
3156 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3157 (EXCEPTION_SECTION): Define.
3159 2001-05-13 Zack Weinberg <zackw@stanford.edu>
3161 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
3162 binary backward compat only.
3163 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
3164 in LIB2FUNCS. Pass it to mklibgcc.
3165 * mklibgcc.in: Handle LIB2FUNCS_ST.
3167 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
3169 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
3171 * tm.texi (THREAD_MODEL_SPEC): Document it.
3172 * gcc.c (main): Use it.
3173 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
3174 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
3176 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3178 * rtl.h (SYMBOL_REF_WEAK): New macro.
3179 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
3180 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
3181 * rtl.texi (SYMBOL_REF_WEAK): Document it.
3182 * gcc.texi: Remove wrong description.
3184 2001-05-13 Mark Mitchell <mark@codesourcery.com>
3186 * Makefile.in (STAMP): New macro.
3187 Replace all uses of `touch' with $(STAMP).
3188 * fixinc/Makefile.in: Likewise.
3190 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3192 * configure.in: ldopen is never in -lexc, so don't test for it.
3193 Add test for exc_resume in -lexc for Ada.
3194 * configure: Regenerated.
3196 2001-05-12 Richard Henderson <rth@redhat.com>
3198 * dwarf2asm.c (size_of_encoded_value): New function.
3199 * dwarf2asm.h: Declare it.
3200 * except.c (output_function_exception_table): Align the TType
3201 array only as wide as the encoding.
3203 2001-05-12 Zack Weinberg <zackw@stanford.edu>
3205 * extend.texi: Document #pragma GCC java_exceptions.
3207 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3209 * c-parse.in (bison parser, init_reswords): Remove uses of
3211 * c-tree.h (doing_objc_thang): Remove.
3213 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
3215 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
3216 about files not ending in newlines.
3218 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3220 * dwarfout.c (dwarfout_init): Add cast.
3221 * sched-deps.c (sched_analyze_insn): Remove unused vars.
3222 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
3224 * method.c (build_mangled_C99_name): Remove unused prototype.
3226 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
3228 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
3230 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
3232 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
3233 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
3235 2001-05-11 Richard Henderson <rth@redhat.com>
3237 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
3238 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
3239 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
3240 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
3241 (dw2_output_indirect_constants): Prototype.
3242 * dwarf2out.c (dwarf2out_begin_prologue): Generate
3243 current_function_func_begin_label if we'll need it for EH. Exit
3244 early for IA64_UNWIND_INFO.
3245 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
3246 (eh_data_format_name): Update for indirect references.
3247 (output_function_exception_table): Care for IA64_UNWIND_INFO.
3248 Handle ASM_PREFERRED_EH_DATA_FORMAT.
3249 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
3250 define HAVE_eh_return etc.
3251 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
3252 (final_end_function): Don't call output_function_exception_table.
3253 * toplev.c (compile_file): Call dw2_output_indirect_constants.
3254 (rest_of_compilation): Invoke output_function_exception_table
3255 for ia64 before assemble_end_function.
3256 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
3257 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
3259 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
3260 * unwind.h: Declare them.
3261 * libgcc-std.ver: Export them.
3262 * unwind-pe.h: New file.
3264 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
3266 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
3268 (find_fde_for_dso): Extract DT_PLTGOT.
3269 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
3270 the segment and gp as well.
3271 * config/ia64/frame-ia64.c: Remove file.
3272 * config/ia64/frame-ia64.h: Remove file.
3273 * config/ia64/unwind-ia64.c: New file.
3274 * config/ia64/unwind-ia64.h: New file.
3275 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
3276 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
3277 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
3278 (ASM_PREFERRED_EH_DATA_FORMAT): New.
3279 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
3280 (IA64_UNWIND_INFO): Re-enable.
3281 (HANDLER_SECTION): Remove.
3282 (EH_RETURN_DATA_REGNO): New.
3283 * config/ia64/ia64.md (exception_receiver): Remove.
3284 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
3285 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
3287 2001-05-11 Richard Henderson <rth@redhat.com>
3289 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
3290 calls and jumps to be bundled together.
3291 (ia64_reorg): Emit a break after a noreturn call that ends
3293 * config/ia64/ia64.md (break_f): New.
3295 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
3297 * c-lex.c (lex_charconst): Convert into a simple wrapper
3298 around cpp_interpret_charconst, to which most of the code
3300 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
3301 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
3302 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
3303 (lex): Use cpp_interpret_charconst.
3304 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
3305 hex_digit_value): New functions.
3306 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
3307 * cpplib.h (cpp_interpret_charconst): New prototype.
3308 * Makefile.in: Update.
3310 2001-05-12 Dean Wakerley <dean@wakerley.com>
3312 * doc/install.texi: New file. Converted to texinfo from the HTML
3313 documentation in wwwdocs/htdocs/install.
3315 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
3317 * gcse.c (insert_insn_end_bb): Do not search for assignments to
3318 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
3320 * toplev.c (compile_file): Move comment for opening output
3321 file to just before the code that opens the output file.
3323 2001-05-11 Jakub Jelinek <jakub@redhat.com>
3325 * regmove.c (regmove_optimize): Suppress the optimization for
3326 unchanging destination register. Add comment above function.
3328 2001-05-11 Zack Weinberg <zackw@stanford.edu>
3330 * Makefile.in: Exterminate all references to assert.h.
3331 * cross-make: Likewise.
3333 * configure.in: Correct commentary.
3334 * configure: Regenerate.
3336 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
3339 * config/t-freebsd, config/t-linux, config/t-linux-aout,
3340 config/t-netbsd, config/t-rtems, config/x-linux,
3341 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
3342 No need to override INSTALL_ASSERT_H.
3344 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
3345 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
3346 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
3348 2001-05-11 Graham Stott <grahams@redhat.com>
3350 * combine.c (simplify_comparison): Fix typo.
3352 2001-05-11 Mark Mitchell <mark@codesourcery.com>
3354 * loop.h (struct movables): Remove `num'.
3355 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
3356 Adjust call to strength_reduce.
3357 (num_unmoved_movables): New function.
3358 (move_movables): Don't set movables->num.
3359 (strength_reduce): Compute the number of instructions in the loop
3360 here, rather than in the caller.
3361 (check_dbra_loop): Always clear reversible_mem_store if there
3362 are any memory sets.
3363 (loop_regs_scan): Don't count instructions here.
3364 (count_insn_in_loop): New function.
3366 2001-05-11 Mark Mitchell <mark@codesourcery.com>
3368 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
3370 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
3372 * c-common.c (finish_label_expr): New function, lifted from
3373 from cp/semantics.c.
3374 * c-common.h (finish_label_expr, lookup_label): New prototypes.
3375 * c-parse.in: Move 3 blocks of parser code into new functions.
3376 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
3377 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
3378 (lookup_label): Remove.
3380 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
3382 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
3383 FLOAT_BIT_ORDER_MISMATCH.
3385 2001-05-10 David Edelsohn <edelsohn@gnu.org>
3387 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
3388 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
3390 2001-05-10 David Edelsohn <edelsohn@gnu.org>
3392 * expr.c (emit_group_load): extract_bit_field requires a REG or
3395 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
3397 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
3398 a computed jump into an unconditional jump.
3399 In second hunk of code for collapsing computed and conditional jumps
3400 into unconditional jumps, reemit the jump in additional cases.
3402 * jump.c (jump_optimize_1): Do not wrap the new jump target
3403 inside a LABEL_REF; gen_jump will do that automatically.
3405 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
3407 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
3408 contents for a SYMBOL_REF in case of floating point constants.
3410 2001-05-10 DJ Delorie <dj@redhat.com>
3412 * c-common.c (combine_strings): Widen strings in a
3413 host-endian-independent way.
3415 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
3417 * c-parse.in: Remove many shift/reduce conflicts. Update
3419 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
3420 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
3421 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
3422 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
3423 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
3424 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
3425 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
3426 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
3427 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
3428 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
3429 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
3430 typespec_reserved_nonattr, typespec_reserved_attr,
3431 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
3432 structsp_nonattr, components_notype, component_notype_declarator,
3433 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
3434 firstparm, setspecs_fp): New
3435 (typed_declspecs, reserved_declspecs, typed_typespecs,
3436 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
3437 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
3438 declmods_no_prefix_attr, nonempty_type_quals, structsp,
3439 type_quals): Remove. Users updated.
3440 (initdecls, notype_initdecls, after_type_declarator,
3441 parm_declarator, notype_declarator, absdcl1, components, ivars):
3442 Don't allow attributes at the start of a declarator; include them
3443 in the production containing the declarator instead. Always
3444 require type specifiers before trying to redeclare a typedef name.
3445 (typename): Allow for attributes but warn that they are ignored.
3446 (parmlist, firstparm, setspecs_fp): Include attributes in
3447 parmlist; suck them off the parser stack in firstparm using
3450 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
3452 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
3453 to determine if a block has an unconditional jump at its end.
3455 * jump.c (jump_optimize_1): When converting a conditional jump
3456 to an unconditional jump, build the jump using gen_jump instead
3457 of just modify operands in-place.
3459 2001-05-09 Zack Weinberg <zackw@stanford.edu>
3461 * cppinit.c (cpp_post_options): Shut off macro expansion if
3463 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
3464 IN_I directives only if the # is in column 1 and the directive
3465 name begins in column 2.
3466 * cppmain.c (scan_buffer): Insert a space between # and an
3467 identifier, when that identifier is a directive name.
3469 * tradcpp.c (struct file_buf): Add a pointer to the next entry
3470 in the header search path.
3471 (enum node_type): Add T_INCLUDE_NEXT.
3472 (directive_table): Add entry for include_next.
3473 (do_include_next): New function.
3474 (process_include): New routine, broken out of do_include.
3475 (finclude): Insert 'nhd' argument, to be copied into
3476 next_header_dir of the new buffer.
3477 (main): Adjust to match.
3478 * gsyslimits.h, limity.h: Un-indent #include_next.
3480 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
3482 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
3483 inclusion as a chapter of the GCC manual.
3484 * gcc.texi: Include objc.texi.
3485 * fdl.texi: Use @unnumberedsec for the addendum.
3486 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
3488 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
3490 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
3492 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
3494 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
3495 handling of two-address insns.
3497 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
3499 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
3500 ../binutils/nm-new instead of ../binutils/nm.
3502 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
3504 * i386.md (movdi splitter): Fix the splitting condition
3505 (float_extenddftf splitter): Fix mode.
3507 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
3509 * genrecog.c (write_switch): Avoid outputting of switch for
3510 types wider than int.
3512 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
3514 * reload1.c (copy_eh_notes): New function.
3515 (emit_input_reload_insns): Call it.
3516 (emit_output_reload_insns): Call it.
3518 2001-05-07 Zack Weinberg <zackw@stanford.edu>
3520 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
3522 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
3523 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
3525 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
3527 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
3529 * pa.md (interspace_jump): Revise comment.
3530 (builtin_longjmp): Block initial setup insns from delay slot of
3532 (builtin_setjmp_receiver): New expander to save and restore PIC
3535 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
3537 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
3539 * toplev.c (compile_file): Set up the output file before we call
3540 the various initializers for the compiler.
3542 * except.c (sjlj_mark_call_sites): Do not search for assignments to
3543 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
3545 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
3546 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
3548 2001-05-06 Zack Weinberg <zackw@stanford.edu>
3550 * Makefile.in (tradcpp0): Correct typo in dependency list.
3552 2001-05-06 Geoff Keating <geoffk@redhat.com>
3554 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
3555 the link register if we're not going to use it.
3557 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
3558 (output_function_profiler): Likewise.
3560 2001-05-07 Alan Modra <amodra@one.net.au>
3562 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
3564 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
3566 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
3567 zero-extend it. Make abs_inc unsigned.
3569 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
3570 widest mode in narrowing and widening operations.
3572 * config/mips/mips.md: Sign extend CONST_INTs.
3574 2001-05-06 Andreas Jaeger <aj@suse.de>
3576 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
3577 (i386 Options): Document -momit-leaf-frame-pointer.
3579 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
3581 * c-typeck.c (internal_build_compound_expr): Check for
3582 array to pointer conversion just once.
3584 2001-05-05 Richard Henderson <rth@redhat.com>
3586 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
3588 2001-05-05 Richard Henderson <rth@redhat.com>
3590 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
3591 to the parent of the fixup region.
3593 2001-05-05 Jakub Jelinek <jakub@redhat.com>
3595 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
3597 * cpp.texi (__NO_INLINE): Document it.
3599 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
3601 * cppfiles.c (struct include_file): New member err_no.
3602 (find_or_create_entry): Set it.
3603 (open_file): Don't set fds to -2. Instead, use err_no to
3604 remember previous errors, if any.
3606 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3608 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
3609 between X and Y by using sequences of xgdx and xgdy.
3611 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3613 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
3614 of '!' for the 'D' alternative ('!' is too strong).
3615 ("*logicalsi3_silshl16"): Likewise.
3616 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
3617 ("movstrictsi"): Remove spurious '+'.
3618 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
3619 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
3620 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
3623 2001-05-04 David Edelsohn <edelsohn@gnu.org>
3625 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
3627 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
3629 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
3632 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3634 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
3637 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3639 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
3640 soft register, use ror instead of rol.
3642 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3644 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
3645 into account pre/post increment decrement for 68HC12.
3646 Fix other problems in replacement and fix call to reg_mentioned_p.
3648 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3650 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
3651 Put the soft registers in bss for 68HC12.
3652 (L_regs_d3_4): New for _.d3 and _.d4.
3653 (L_regs_d5_6): Likewise.
3654 (L_regs_d1_2): Likewise.
3655 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
3657 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3659 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
3660 to the pre-processor when -fshort-double is specified.
3661 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
3663 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3665 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
3666 (__mulsi3): Rewrite for 68HC12.
3667 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
3668 Mark 'x' constraint with earlyclobber to prevent a
3669 RELOAD_FOR_OTHER_ADDRESS to go in it.
3670 (mulhi3_m68hc12): New pattern.
3671 (mulhi3_m68hc11): Rename of mulhi3.
3672 (mulhi3): New expand for 68HC12 optimisation.
3673 (umulhisi3, mulhisi3): New patterns for 68HC12.
3675 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3677 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
3678 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
3679 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
3681 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3683 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
3684 constants cheap after reload.
3685 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
3687 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
3688 so that gcc prefers a shift by 16.
3689 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
3691 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
3693 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
3695 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3697 * alpha.h: NULL_PTR -> NULL.
3704 * i386.md: Likewise.
3707 * m68hc11.h: Likewise.
3708 * rs6000.h: Likewise.
3711 * sparc.h: Likewise.
3715 * final.c: Likewise.
3717 * recog.c: Likewise.
3719 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3721 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
3722 `bool' parameter to `int'.
3724 * hash.c (hash_lookup): Likewise.
3726 * hash.h (hash_lookup): Likewise.
3728 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
3730 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
3732 * i386.c (x86_initialize_trampoline): Fix mode of constant.
3734 2001-05-03 Geoff Keating <geoffk@redhat.com>
3736 * invoke.texi (i386 Options): Delete references to -malign-jumps,
3737 -malign-loops, -malign-functions.
3738 * i386.c (ix86_align_funcs): Delete.
3739 (ix86_align_loops): Delete.
3740 (ix86_align_jumps): Delete.
3741 (override_options): Mark -malign-* as obsolete. Emulate their
3742 behaviour with the -falign-* options. Default -falign-* from
3743 the processor table.
3744 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
3745 patch of Wed May 2 13:09:36 2001.
3746 (LOOP_ALIGN): Delete.
3747 (LOOP_ALIGN_MAX_SKIP): Delete.
3748 (LABEL_ALIGN_AFTER_BARRIER): Delete.
3749 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
3751 2001-05-04 Andreas Jaeger <aj@suse.de>
3753 * except.h: Add prototype declaration for
3754 expand_builtin_init_dwarf_reg_sizes.
3756 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
3758 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
3760 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3762 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
3764 ("bitcmpqi2"): New pattern for bit-extract and test.
3765 ("bitcmphi"): New pattern for bitb/bita instructions.
3767 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
3769 * gccbug.in: Use a temporary directory when the mktemp command is
3772 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3774 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
3776 (INITIALIZE_TRAMPOLINE): Call it.
3777 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
3778 (TRAMPOLINE_TEMPLATE): Remove.
3779 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
3780 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
3783 2001-05-03 David O'Brien <obrien@FreeBSD.org>
3785 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
3786 and crtendS.o with PIC.
3788 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3790 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
3792 (___subdi3, ___adddi3): Use x instead of y as index register.
3793 (__init_bss_section, __map_data_section): Optimize for 68HC12.
3794 (__memset, __memcpy): Likewise.
3795 (regs): Put the soft registers in bss for 68HC12.
3796 (abort): Use trap to abort for 68hc12.
3797 (__mulhi3, __mulhi32): Use emul for 68hc12.
3798 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
3800 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3802 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
3803 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
3804 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
3805 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
3806 Set 68HC12 min offset to -65536.
3807 (print_operand): Put parenthesis arround the operand if it refers
3808 to a symbol having the same name as a register.
3809 (m68hc11_z_replacement): When z register is replaced by its
3810 equivalent soft register, force the insn to be re-recognized.
3811 (m68hc11_check_z_replacement): Fix the test when destination is
3812 the index register and z dies in the insn.
3813 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
3815 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3817 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
3818 costs according to processor variant.
3819 (m68hc11_shift_cost): New function to compute shift costs.
3820 (m68hc11_rtx_costs): Define costs according to processor variant.
3821 (m6811_cost): Costs for 68HC11.
3822 (m6812_cost): Costs for 68HC12.
3823 (COSTS_N_INSNS): Remove.
3825 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
3826 (DEFAULT_RTX_COSTS): Remove.
3827 (CONST_COSTS): Define costs according to OUTER_CODE.
3828 (processor_costs): New struct to define costs.
3829 (m68hc11_cost): Pointer to current costs.
3831 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3833 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
3834 and use m68hc11_notice_keep_cc when using leax/leay.
3835 (addhi3 split): Reject split if the insn is handled by
3837 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
3838 push must be handled in a special way if the source operand uses
3839 sp as index register.
3840 (m68hc11_notice_keep_cc): New function.
3841 (m68hc11_gen_movhi): Use it when an insn changes a register but
3843 (m68hc11_gen_movqi): Fix move for 68HC12.
3844 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
3846 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3848 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
3849 and don't pass operands[0] to emit_library_call_value.
3851 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3853 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
3854 (zero_extendsi split): Simplify and use (zero_extendhi).
3855 (*addhi3): Remove 'w' constraint since stack pointer is handled
3857 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
3858 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
3859 (*ashrhi3_const): Fix shift by 7.
3860 (*lshrsi3_const16): Fix template.
3861 (call, call_value): Fix constraint and predicate.
3863 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3865 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
3866 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
3867 (CC_REGNUM): Likewise.
3868 (*unnamed splits): Use above constants instead of hard coded numbers.
3869 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
3870 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
3871 (*return_16bit, *unnamed peepholes): Likewise.
3873 2001-05-03 David O'Brien <obrien@FreeBSD.org>
3875 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
3876 rs6000/rs6000.h twice.
3878 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
3880 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
3881 (CPP_SPEC): Conditionally define MSDOS and GO32.
3882 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
3883 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
3885 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
3887 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
3889 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
3891 2001-05-03 Mark Mitchell <mark@codesourcery.com>
3893 * integrate.h (struct inline_remap): Add leaf_reg_map table.
3894 * integrate.c (expand_inline_function): Use xcalloc to allocate
3896 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
3899 2001-05-03 Mark Mitchell <mark@codesourcery.com>
3901 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
3904 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
3906 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
3907 linker if -mrelax is given.
3908 (TARGET_SWITCHES): Document -mrelax.
3910 Re-installed 2001-01-09's patch:
3911 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
3912 if it's wider than long and the target's long is wider than the
3915 2001-05-02 David O'Brien <obrien@FreeBSD.org>
3917 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
3918 directly include rs6000/rs6000.h. Instead do it in tm.h.
3920 2001-05-02 Stan Shebs <shebs@apple.com>
3922 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
3923 NSConstantString for NeXT-style runtimes.
3924 (STRING_OBJECT_GLOBAL_NAME): New macro.
3925 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
3926 OCTI_STRING_CLASS_DECL.
3927 (constant_string_global_id): New macro.
3928 (string_class_decl): Ditto.
3929 (setup_string_decl): New function.
3930 (build_objc_string_object): Use it to build a NeXT runtime
3931 compatible string initializer.
3933 2001-05-02 Jakub Jelinek <jakub@redhat.com>
3935 * tradcpp.c (do_define): Make sure we don't walk past limit.
3937 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3939 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
3940 offsets if not REG_OK_STRICT.
3942 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
3943 (INT_REG_OK_FOR_INDEX_P): Likewise.
3944 (INT_REG_OK_FOR_BASE_P): Likewise.
3945 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
3946 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
3947 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
3948 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
3949 REG_OK_FOR_BASE_P. Take an additional parameter.
3950 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
3951 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
3952 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
3953 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
3954 rs6000_legitimate_address() and use it.
3955 * config/rs6000/rs6000.c: Update all callers.
3956 (rs6000_legitimate_address): New function.
3958 2001-05-02 David Edelsohn <edelsohn@gnu.org>
3960 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
3961 special_constant conditional blocks together.
3963 2001-05-02 Dale Johannesen <dalej@apple.com>
3965 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
3967 (STRICT_ARGUMENT_NAMING): Define.
3968 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
3969 function_arg_partial_nregs, setup_incoming_varargs): Remove
3970 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
3973 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3975 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
3977 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
3980 * expr.c (store_field): Do nothing except elaborate side-effects if
3983 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3985 * c-lex.c: NULL_PTR -> NULL.
3987 * emit-rtl.c: Likewise.
3989 * genpeep.c: Likewise.
3991 * mips-tdump.c: Likewise.
3992 * reload1.c: Likewise.
3993 * rtlanal.c: Likewise.
3995 * stor-layout.c: Likewise.
3996 * toplev.c: Likewise.
3998 2001-05-01 Per Bothner <per@bothner.com>
4000 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
4001 call do_pending_stack_adjust before emiting label.
4003 2001-05-01 Mark Mitchell <mark@codesourcery.com>
4005 * extend.texi: Fix typo.
4007 2001-05-01 Stan Shebs <shebs@apple.com>
4009 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
4010 of UOBJC_MODULES_decl.
4011 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
4012 (generate_descriptor_table): Ditto.
4013 (generate_protocols): Ditto.
4014 (generate_protocol_list): Ditto.
4015 (generate_classref_translation_entry): Ditto.
4017 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
4019 * invoke.texi (Optimize Options): Add documentation for `--param
4020 max-delay-slot-insn-search' and `--param
4021 max-delay-slot-live-search' and reorder --param section.
4022 * params.def: Modify initial comment.
4023 * params.h (param_info): Add `help' member.
4024 * toplev.c (lang_independent_params): Include `help' description.
4025 (display_help): Print --param parameters.
4027 2001-05-01 Zack Weinberg <zackw@stanford.edu>
4029 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
4030 Remove references to deleted files.
4031 (*-*-openbsd): No need to override xmake_file.
4032 (*-*-sysv4): Treat like *-*-sysv.
4034 * configure.in: Probe for ldopen in various places, and set up
4035 collect2 to be linked with them if found.
4036 Don't dink with Windows registry stuff unless $host_os is a
4037 Win32 os name. Check to see if we need -ladvapi32.
4038 * configure: Regenerate.
4040 * Makefile: Get rid of CLIB and HOST_CLIB.
4041 Substitute in COLLECT2_LIBS and link collect2 against its contents.
4042 * build-make: Get rid of HOST_CLIB.
4044 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
4045 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
4046 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
4047 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
4048 config/rs6000/x-rs6000: Delete.
4050 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
4053 24 x-host fragments remain, 0 x-cpu, 3 top level.
4055 2001-05-01 Zack Weinberg <zackw@stanford.edu>
4057 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
4058 * configure: Regenerate.
4060 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
4062 * Makefile.in (install-headers): Remove redundant dependency.
4064 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
4066 * c-tree.texi (USING_STMT): Document.
4068 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4070 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
4071 * c-common.c: Likewise.
4072 * c-decl.c: Likewise.
4073 * combine.c: Likewise.
4074 * rs6000.c: Likewise.
4075 * except.c: Likewise.
4076 * explow.c: Likewise.
4078 * fold-const.c: Likewise.
4079 * function.c: Likewise.
4082 * integrate.c: Likewise.
4084 * objc/objc-act.c: Likewise.
4085 * recog.c: Likewise.
4086 * reg-stack.c: Likewise.
4087 * reload.c: Likewise.
4088 * reload1.c: Likewise.
4089 * simplify-rtx.c: Likewise.
4091 * varasm.c: Likewise.
4093 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
4095 * diagnostic.def: New file.
4096 * diagnostic.h (diagnostic_t): New enum.
4097 * Makefile.in (diagnostic.o): Depend on diagnostic.def
4099 2001-04-30 Zack Weinberg <zackw@stanford.edu>
4101 * tsystem.h: Test only POSIX for availability of string.h
4103 * config.gcc (all systems): If USG appeared in xm_defines,
4104 change it to POSIX. If both USG and POSIX appeared, just
4105 delete USG. Remove unnecessary quotes around xm_defines
4107 (m68k-crds-unos*): Don't #define unos - tested nowhere.
4108 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
4109 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
4110 powerpc-*-linux*): No need to set xm_defines - handled by
4111 global settings for *-*-linux*.
4113 2001-04-30 Zack Weinberg <zackw@stanford.edu>
4115 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
4116 Always include gstab.h, not system stab.h. Don't provide
4117 default definitions of N_CATCH or N_OPT. Always use the
4118 gstab.h variant of STAB_CODE_TYPE.
4119 * final.c: Don't include stab.h/gstab.h at all, or provide
4120 defaults for N_SLINE and N_SOL.
4122 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
4123 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
4125 * sdbout.c: Always include gsyms.h instead of system syms.h.
4127 * configure.in: No need to check for stab.h.
4128 * configure, config.in: Regenerate.
4129 * Makefile.in (final.o): Don't depend on gstab.h.
4131 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4132 Richard Henderson <rth@redhat.com>
4134 * extend.texi: Improve documentation of volatile asms.
4136 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4138 * c-tree.texi: Fix thinko.
4139 * gcc.texi: Likewise.
4141 2001-04-30 Richard Henderson <rth@redhat.com>
4143 * c-common.c (c_promoting_integer_type_p): New function, from the
4144 corpse of old macro. Properly promote too-small enumerations and
4145 booleans. Adjust all callers.
4146 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
4147 (c_promoting_integer_type_p): Declare.
4148 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
4149 * c-typeck.c: Likewise.
4150 (default_conversion): Remove now redundant boolean check.
4152 2001-04-30 Jan Hubicka <jh@suse.cz>
4153 Richard Henderson <rth@redhat.com>
4155 * regmove.c (try_apply_stack_adjustment): Remove now redundant
4157 (combine_stack_adjustments_for_block): Don't combine stack
4158 allocation followed by deallocations. Handle grow-up stacks.
4160 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4162 * fdl.texi: New file.
4163 * c-tree.texi: Use the GFDL.
4164 * gcc.texi: Likewise.
4166 2001-04-30 Stan Shebs <shebs@apple.com>
4168 * invoke.texi: Add a section documenting Objective-C options.
4170 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
4172 * emit-rtl.c (try_split): Copy EH notes to sequence.
4174 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4176 * regmove.c (record_stack_memrefs): Catch all references to the
4179 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
4181 * Makefile.in (stmp-fixinc): quote shell assignment values
4183 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4185 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
4189 * prefix.c: Likewise.
4191 2001-04-28 Stan Shebs <shebs@apple.com>
4193 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
4194 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
4195 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
4196 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
4198 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
4199 (NEXT_OBJC_RUNTIME): Define.
4201 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
4203 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
4204 * simplify-rtx.c (simplify_gen_relational): Likewise.
4206 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
4208 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
4209 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
4211 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
4212 registers in SSE case; fix handling of the immediates.
4213 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
4214 operands to be in regsiters before reload.
4215 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
4216 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
4217 (abstf,absxf,negtf,negxf splitters): Compute
4218 properly the regnum for x86_64.
4219 (avsdf2_if_rex64): New.
4221 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
4223 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
4224 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
4225 into the constant pool.
4226 * jump.c (jump_optimize_1): Remove barrier successors after all
4227 the LABEL_NUSES counds have been computed.
4228 (delete_barrier_successors): When deleting a tablejump insn, also
4229 delete the jump table it uses.
4230 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
4233 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
4235 * pa.c (FRP): Remove erroneous white space in macro definition.
4237 2001-04-28 Andreas Jaeger <aj@suse.de>
4239 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
4241 * extend.texi: Likewise.
4242 * tm.texi: Likewise.
4244 2001-04-28 Andreas Jaeger <aj@suse.de>
4246 * md.texi: Use XX-bit instead of XXbit or XX bit where
4249 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
4251 * gcc.c (process_command): Allow -l lib in addition to -llib
4252 for POSIX compliance. This fixes PR c/2347.
4254 * invoke.texi: Update section on Link Options accordingly.
4256 2001-04-27 Zack Weinberg <zackw@stanford.edu>
4258 * function.c (purge_addressof_1): Remove the duplicate
4259 if (code == SET) block. Fold the two if (code == ADDRESSOF)
4262 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
4264 * except.c (expand_eh_region_start): Don't start a new block.
4265 (expand_eh_region_end): Don't end a block.
4266 * stmt.c (expand_end_bindings): Don't end EH blocks.
4267 (expand_decl_cleanup): Starting an EH region won't change the block.
4268 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
4269 (is_eh_region): Lose.
4272 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
4274 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
4276 * collect2.c (main): Add `-L' case to remove duplicate entries.
4277 (is_in_args): New function to check for a duplicate argument.
4278 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
4279 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
4280 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
4281 Define to be nonzero.
4283 2001-04-27 Andreas Jaeger <aj@suse.de>
4284 Richard Henderson <rth@redhat.com>
4286 * md.texi (Machine Constraints): Document additional i386
4287 constraints and fix description of "A".
4289 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
4291 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
4293 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
4295 * except.c (get_exception_filter): word_mode, not Pmode.
4297 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
4299 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
4300 common to other movsf patterns. Move up so that in future
4301 people who change the other patterns will change it too.
4302 (movsf_lo_sum): Allow even for soft-float; add appropriate
4304 (movsf_high): Likewise.
4305 (movsf_high+1): Allow even for soft-float.
4307 * function.c (expand_function_end): Always clobber the
4308 return registers, even if there is no return label.
4310 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
4312 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
4314 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
4316 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
4317 (pushqi2_rex64, pushhi2_rex64): Add.
4319 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
4321 * except.c (expand_eh_region_end_cleanup): Force pending stack
4322 adjust before emitting label that branches around cleanup code.
4324 2001-04-26 H.J. Lu (hjl@gnu.org)
4326 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
4328 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
4330 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
4331 (ASM_OUTPUT_SECTION_NAME): Likewise.
4332 (ASM_WEAKEN_LABEL): Likewise.
4333 (UNIQUE_SECTION): Likewise.
4334 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
4335 (ASM_OUTPUT_DESTRUCTOR): Likewise.
4336 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
4337 (ASM_OUTPUT_SECTION_NAME): Likewise.
4338 (ASM_WEAKEN_LABEL): Likewise.
4339 (UNIQUE_SECTION): Likewise.
4340 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
4341 (ASM_OUTPUT_DESTRUCTOR): Likewise.
4342 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
4343 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
4344 (ASM_FILE_START): Likewise.
4345 (ASM_OUTPUT_SOURCE_LINE): Likewise.
4346 (ASM_DECLARE_OBJECT_NAME): Likewise.
4347 (ASM_FILE_END): Likewise.
4348 (ASM_DECLARE_FUNCTION_NAME): Likewise.
4349 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
4350 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
4351 (ASM_OUTPUT_CASE_LABEL): Likewise.
4352 (ASM_OUTPUT_SKIP): Likewise.
4353 (ASM_OUTPUT_ASCII): Likewise.
4354 (ASM_OUTPUT_IDENT): Likewise.
4355 (READONLY_DATA_SECTION): Likewise.
4356 (EXTRA_SECTIONS): Likewise.
4357 (EXTRA_SECTION_FUNCTIONS): Likewise.
4358 (SELECT_RTX_SECTION): Likewise.
4359 (SELECT_SECTION): Likewise.
4361 * config/mips/linux.h (INVOKE__main): Undefine.
4362 (CTOR_LIST_BEGIN): Likewise.
4363 (CTOR_LIST_END): Likewise.
4364 (DTOR_LIST_BEGIN): Likewise.
4365 (DTOR_LIST_END): Likewise.
4366 (SET_ASM_OP): Defined it to ".dummy".
4367 (ASM_OUTPUT_DEF): Defined.
4368 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
4370 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
4372 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
4373 assembler supports .p2align.
4375 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
4377 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
4379 2001-04-26 Jakub Jelinek <jakub@redhat.com>
4381 * integrate.c (expand_inline_function): Check for error_mark_node
4384 2001-04-26 Jakub Jelinek <jakub@redhat.com>
4386 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
4389 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
4391 * configure.in (configargs.h): Define thread_model.
4392 * configure: Rebuilt.
4393 * gcc.c (main): Print it with -v.
4395 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
4397 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
4398 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
4399 * gcc.1: Regenerate.
4401 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4403 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
4404 is_redundant_typedef): Use static inline instead of inline static.
4406 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
4408 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
4409 this directory is always searched.
4411 2001-04-25 Richard Henderson <rth@redhat.com>
4413 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
4414 of registers to restore along non eh_return path.
4416 2001-04-25 Jakub Jelinek <jakub@redhat.com>
4418 * c-format.c (check_format_info_recurse): Handle
4419 PLUS_EXPR for format string.
4421 2001-04-25 Jakub Jelinek <jakub@redhat.com>
4423 * config/ia64/ia64.h (CC1_SPEC): Define.
4424 * config/ia64/linux.h (CC1_SPEC): Define.
4426 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
4428 * emit-rtl.c (constant_subword): Also do sign extension in
4429 BITS_PER_WORD == 16 case.
4431 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
4433 * loop.c (try_swap_copy_prop): Go back to checking insn.
4435 2001-04-25 Jakub Jelinek <jakub@redhat.com>
4437 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
4438 if check_mode is non-zero.
4440 2001-04-25 Jakub Jelinek <jakub@redhat.com>
4442 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
4443 out and comparison sequence has been detected, put result into
4444 proper temporary pseudo.
4446 2001-04-24 Zack Weinberg <zackw@stanford.edu>
4448 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
4449 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
4450 * libgcc2.c: Remove __dummy and __builtin_saveregs.
4451 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
4452 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
4453 for future reference.
4455 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
4457 * except.c (reachable_handlers): Step out one level from a RESX.
4459 * except.c (struct eh_region): Rename 'last' to 'resume'.
4460 (mark_eh_region, duplicate_eh_region_1): Adjust.
4461 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
4462 (build_post_landing_pads): Likewise.
4463 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
4464 (expand_eh_region_end_must_not_throw): Likewise.
4465 (connect_post_landing_pads): Thread (only) regions with non-deleted
4468 * except.c (expand_eh_region_end_cleanup): Save the EH return data
4469 registers around the cleanup.
4470 (get_exception_filter): New fn.
4471 (finish_eh_generation): Use it.
4473 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
4475 * c-semantics.c (add_scope_stmt): Don't call
4476 current_scope_stmt_stack multiple times.
4478 2001-04-24 Zack Weinberg <zackw@stanford.edu>
4479 Nathan Sidwell <nathan@codesourcery.com>
4481 Lazy __FUNCTION__ generation.
4482 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
4483 RID_C99_FUNCTION_NAME): New _RIDs.
4484 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
4485 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
4486 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
4488 (function_id_node, pretty_function_id_node, func_id_node): Remove.
4489 (c99_function_name_decl_node, function_name_decl_node,
4490 pretty_function_name_decl_node, saved_function_name_decls):
4492 (struct language_function): Remove x_function_name_declared_p.
4493 (make_fname_decl): Remove a parameter.
4494 (declare_function_names): Remove prototype.
4495 (start_fname_decls, finish_fname_decls): Prototype.
4496 (fname_as_string): Likewise.
4497 (fname_string, fname_decl): Likewise.
4498 * c-common.c (make_fname_decl): Adjust.
4499 (struct fname_var_t): New struct.
4500 (fname_vars): New static array.
4501 (declare_function_name): Remove.
4502 (start_fname_decls, finish_fname_decls): New functions.
4503 (fname_as_string): New function from remnants of
4504 declare_function_name.
4505 (fname_string, fname_decl): New functions.
4507 * c-decl.c (c_function_name_declared_p): Remove.
4508 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
4509 don't call declare_function_name. Call start_fname_decls.
4510 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
4511 clobber the line number. Call finish_decl.
4512 (start_function): Call start_fname_decls.
4513 (finish_function): Call finish_fname_decls.
4514 Remove c_function_name_declared_p.
4515 (push_c_function_context): Don't push c_function_name_declared_p.
4516 (pop_c_function_context): Don't pop c_function_name_declared_p.
4517 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
4518 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
4519 (program): Call finish_fname_decls for C.
4520 (primary): Add VAR_FUNC_NAME.
4521 (reswords): Add slots for __FUNCTION__ et al.
4522 (rid_to_yy): Add mappings for __FUNCTION__ et al.
4523 (yylexname): If it's a STRING_FUNC_NAME generate the function name
4524 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
4525 * c-semantics.c (prune_unused_decls): Remove.
4526 (finish_stmt_tree): Don't call prune_unused_decls.
4527 (genrtl_decl_stmt): Don't prune unused decls here.
4529 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
4531 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
4532 constant pool, use the pool's SYMBOL_REF instead.
4534 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
4537 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
4539 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
4540 passing nested NOP_EXPRs to fold.
4542 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
4544 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
4546 2001-04-22 Mark Mitchell <mark@codesourcery.com>
4548 * loop.c (loop_delete_insns): Add prototype.
4550 2001-04-23 Phil Edwards <pme@sources.redhat.com>
4552 * configure.in: Remove ENABLE_STD_NAMESPACE.
4553 * config.in: Regenerated.
4554 * configure: Regenerated.
4556 2001-04-22 Stan Shebs <shebs@apple.com>
4558 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
4560 * config/rs6000/xm-darwin.h: Remove file.
4562 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4564 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
4565 (write_c_file_stat): Likewise.
4567 * dbxout.c (dbxout_init): Likewise.
4569 * profile.c (output_func_start_profiler): Likewise.
4571 2001-04-22 Philipp Thomas <pthomas@suse.de>
4573 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
4574 require it instead of the CVS version.
4575 * cpperror.c (v_message): Put a blank before the macro
4576 body to not confuse exgettext.
4578 2001-04-21 Mark Mitchell <mark@codesourcery.com>
4580 * flow.c (proagate_one_insn): Remove useless assignment.
4581 * jump.c (delete_insn): Tidy.
4582 * loop.c (try_copy_prop): When deleting an instruction with a
4583 REG_RETVAL note, delete the entire libcall sequence.
4584 (loop_delete_insns): New function.
4585 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
4586 we're not substituting into them yet.
4588 2001-04-21 Kazu Hirata <kazu@hxi.com>
4590 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
4592 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
4594 * config/i960/i960.c (signed_arith_operand): Likewise.
4596 * calls.c (expand_call): Fix a comment typo.
4598 2001-04-20 Zack Weinberg <zackw@stanford.edu>
4600 * configure.in: Probe for times, clock, struct tms, and clock_t.
4601 * configure, config.in: Regenerate.
4602 * timevar.c: Replace ifdef forest in get_time with (relatively)
4603 straightforward series of checks based on autoconf's probes.
4605 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
4607 * config/pa/som.h (NM_FLAGS): Define.
4609 2001-04-20 Bernd Schmidt <bernds@redhat.com>
4611 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
4613 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
4614 * ia64.c (nop_cycles_until): New function.
4615 (prev_cycle, prev_first, last_issued): New static variables.
4616 (ia64_sched_reorder): Additional arg for clock.
4617 On final scheduling pass, emit extra NOPs as needed.
4618 Set prev_first and prev_cycle.
4619 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
4620 (ia64_variable_issue): Set last_issued.
4622 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
4624 * config/i386/i386.c (ix86_expand_int_movcc,
4625 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
4627 2001-04-20 Geoff Keating <geoffk@redhat.com>
4629 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
4630 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
4631 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
4632 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
4633 ctrdi_internal6): In the short-branch case, this insn is only 4
4634 bytes long. Reported by Reza Yazdani <reza@apple.com>.
4636 2001-04-20 Jakub Jelinek <jakub@redhat.com>
4638 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
4639 "=u" is used together with "st" resp. "st(1)" clobber.
4641 2001-04-20 Jakub Jelinek <jakub@redhat.com>
4643 * gcse.c (gcse_main): Fix comment typo.
4644 (delete_null_pointer_check): Likewise.
4645 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
4646 * cse.c (cse_insn): Likewise.
4647 * function.c (fixup_var_refs_insns_with_hash): The sequence is
4650 2001-04-19 Zack Weinberg <zackw@stanford.edu>
4652 * toplev.c: Excise all code for the undocumented -dm option.
4653 (float_signal): Call signal just once, unconditionally.
4655 2001-04-19 Geoff Keating <geoffk@redhat.com>
4657 * fold-const.c (fold): Use first_rtl_op rather than
4658 TREE_CODE_LENGTH when looping over parameters of a tree.
4659 Correct strange grouping in test for evaluated SAVE_EXPR.
4661 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
4663 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
4664 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
4666 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
4667 name at 32 total characters.
4668 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
4669 functions in named sections -- data items can still go into unique
4670 sections, but they have normal names (ie $LIT$ and $DATA$).
4672 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
4675 2001-04-19 DJ Delorie <dj@redhat.com>
4677 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
4678 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
4679 * config/i386/cygwin.h: Likewise.
4680 * config/i386/mingw32.h: Likewise.
4681 * config/vax/vms.h: Likewise.
4682 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
4684 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
4685 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
4686 * config/i386/xm-cygwin.h: Likewise.
4687 * config/i386/xm-djgpp.h: Likewise.
4688 * config/i386/xm-mingw32.h: Likewise.
4689 * config/vax/xm-vms.h: Likewise.
4691 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
4692 instead of OBJECT_SUFFIX.
4693 * collect2.c (find_a_file): Look for files matching the extension
4694 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
4695 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
4696 TARGET_EXECUTABLE_SUFFIX.
4697 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
4698 (make_relative_prefix): Likewise.
4699 (convert_filename): Use TARGET_ suffixes throughout. Remove
4701 (process_command): Likewise.
4702 (do_spec_1): Likewise.
4703 * java/lang.c (init_parse): Likewise.
4705 * gcc.texi : Document four new options matching the pattern
4706 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
4707 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
4708 documentation for NO_AUTO_EXE_SUFFIX.
4710 2001-04-19 Mark Mitchell <mark@codesourcery.com>
4712 * toplev.h (struct lang_hooks): Allow decode_option to indicate
4713 that language-independent processing should not be done.
4714 * toplev.c (main): Adjust accordingly.
4716 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
4717 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
4719 * mips.md (reload_outputdi): Require that operand0 be a
4722 2001-04-19 Jakub Jelinek <jakub@redhat.com>
4724 * invoke.texi (-Wshadow): Clarify.
4726 2001-04-18 Mark Mitchell <mark@codesourcery.com>
4728 * loop.c (load_mems): Examine all the instructions in the loop
4729 before concluding that all jumps branch to the first instruction
4732 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
4734 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
4736 2001-04-18 Jakub Jelinek <jakub@redhat.com>
4738 * cpp.texi (-Wwhite-space): Remove.
4739 (-Wall): -Wall does not imply -Wwhite-space.
4741 2001-04-17 Zack Weinberg <zackw@stanford.edu>
4743 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
4744 use it instead of blindly generating a .stabs.
4745 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
4747 * xcoffout.c: Don't bother defining default for N_CATCH.
4748 (UNKNOWN_STAB): Use internal_error.
4749 (stab_to_sclass): Remove now-unnecessary aborts.
4750 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
4752 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
4754 * jump.c (mark_all_labels): Canonicalize the tail recursion
4755 label attached to CALL_PLACEHOLDER insns.
4757 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4759 * output.h (dump_flow_info, free_basic_block_vars,
4760 which_alternative): Delete redundant prototypes.
4762 * rtl.h (bss_section): Likewise.
4764 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
4766 * dbxout.c (N_OPT): Define if not available from <stab.h>
4768 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
4770 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
4771 libraries and native K&R compilers.
4773 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4775 * c-typeck.c (convert_arguments): Don't check for width changes
4778 * invoke.texi (-Wtraditional): Update documentation.
4780 2001-04-16 Zack Weinberg <zackw@stanford.edu>
4782 * toplev.c (output_lang_identify): Delete.
4783 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
4784 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
4785 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
4786 after calling ASM_FILE_END.
4788 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
4789 Instead, unconditionally emit an N_OPT stab with string equal
4790 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
4792 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
4794 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
4795 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
4796 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
4797 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
4798 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
4799 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
4800 config/i370/i370.h, config/i386/beos-elf.h,
4801 config/i386/osf1elf.h, config/i386/osfrose.h,
4802 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
4803 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
4804 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
4805 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
4806 config/mips/iris6.h, config/mips/osfrose.h,
4807 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
4808 config/sparc/sp64-elf.h:
4809 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
4810 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
4812 * config/elfos.h, config/freebsd.h, config/linux.h,
4813 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
4814 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
4815 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
4816 of ASM_FILE_START which merely emit a .version directive. Delete
4817 definitions of ASM_FILE_END which merely emit an .ident directive.
4819 * config/avr/avr.h, config/vax/vax.h: Delete definition of
4820 ASM_IDENTIFY_GCC and move part of its logic into
4823 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
4824 config/sparc/linux-aout.h: Don't emit .version directive in
4827 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
4828 (output_file_start): Correct comment.
4830 * config/i386/osfrose.h: Don't emit trailing .ident directive.
4831 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
4833 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
4834 * config/rs6000/aix.h: Correct comment.
4836 * config/i386/i386afe.h: Delete.
4837 * config.gcc: Remove references to i386afe.h.
4839 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
4840 other macros deleted by this patch were undocumented.
4842 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
4844 * pa.md (reload_outdi): Operand 0 must be a non hard register.
4846 * pa.c (secondary_reload_class): SAR<->FP copies require a
4849 * install.texi (mips-mips-bsd): Update list of functions
4850 required to include memmove.
4851 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
4852 used functions to include memmove.
4854 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
4856 * i386.md (sqrtdf2): SFmode should be DFmode.
4858 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
4860 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
4861 (find_moveable_store): Likewise.
4863 2001-04-15 Jim Wilson <wilson@redhat.com>
4865 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
4867 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
4869 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
4870 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
4872 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
4874 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
4877 2001-04-14 Alan Modra <amodra@one.net.au>
4879 * pa.c (force_mode): New function.
4880 (emit_move_sequence): Use it instead of generating new rtx_REGs.
4882 2001-04-13 Jim Wilson <wilson@redhat.com>
4884 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
4885 (first_instruction): New static variable.
4886 (rtx_needs_barrier): Return 1 for alloc.
4887 (init_insn_group_barriers): Set first_instruction.
4888 (rws_sum): Delete duplicate definition.
4889 (group_barrier_needed_p): Return 0 when first_instruction true.
4890 (safe_group_barrier_needed_p): Save and restore first_instruction
4891 around group_barrier_needed_p call.
4893 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
4895 * expr.h (enum libfunc_index): Add LTI_memmove.
4896 (memmove_libfunc): Define macro.
4897 * optabs.c (init_optabs): Initialize memmove_libfunc.
4898 * expr.c (expand_assignment): Use memmove_libfunc instead of
4901 2001-04-13 Alan Modra <alan@linuxcare.com.au>
4903 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
4906 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4908 * Makefile.in (reg-stack.o): Depend on reload.h.
4909 (insn-attrtab.o): Depend on flags.h.
4911 * genattrtab (main): Include flags.h in insn-attrtab.c.
4913 * reg-stack.c: Include reload.h.
4915 * sparc.h (flag_pic): Delete redundant declaration.
4917 * output.h (flag_pic): Likewise.
4919 * tree.h (pedantic): Likewise.
4921 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4923 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
4925 * jump.c, regmove.c, toplev.c: Include reload.h.
4927 * reload.h (reload_cse_regs): Declare.
4929 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
4930 reload_cse_regs, init_reload, mark_home_live, reload,
4931 init_caller_save): Delete redundant prototypes.
4933 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4935 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
4937 * regclass.c, ssa.c: Include expr.h.
4939 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
4940 gen_move_insn): Delete redundant declarations.
4942 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4944 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
4945 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
4946 MAKEINFO and MAKEINFOFLAGS too.
4947 (stage4_build): Correctly order -B flags.
4949 2001-04-13 Alan Modra <amodra@one.net.au>
4951 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
4952 PIC_OFFSET_TABLE_SAVE_RTX.
4953 (zdepi_cint_p): Describe zdepi insn.
4954 Formatting and white space fixes throughout file.
4956 * pa.c (uint32_operand): Don't use long constant >= 2^32.
4957 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
4958 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
4959 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
4960 (output_64bit_and): Use plain `int's for shift counts.
4961 (output_64bit_ior): Likewise.
4962 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
4963 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
4966 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
4967 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
4968 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
4969 NEW_HP_ASSEMBLER into one. Kill warnings.
4971 * pa-gas.h: Delete file.
4972 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
4973 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
4974 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
4975 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
4977 * config/pa/mill32.S: New file.
4978 * config/pa/mill64.S: New file.
4979 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
4980 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
4981 * config/pa/t-linux64: New file.
4982 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
4983 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
4984 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
4986 * elfos.h (SELECT_SECTION): Undef before defining.
4987 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
4988 (LIB_SPEC): Remove -lmilli.
4989 (DBX_REGISTER_NUMBER): Remove.
4990 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
4991 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
4992 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
4993 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
4994 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
4995 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
4996 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
4997 TARGET_GAS): Define.
4998 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
4999 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
5000 regs if we don't have a prototype.
5001 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
5002 * pa.h (TARGET_ELF32): Default to 0 if undefined.
5003 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
5004 EH_RETURN_HANDLER_RTX): Define.
5005 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
5006 (DWARF_FRAME_REGNUM): Define.
5007 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
5008 * pa32-linux.h: New file.
5009 * pa64-linux.h: New file.
5011 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
5012 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
5013 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
5014 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
5015 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
5016 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
5017 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
5018 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
5019 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
5020 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
5021 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
5022 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
5023 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
5024 * pa64-hpux.h: New file.
5025 (ASM_FILE_START): Correct typo.
5026 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
5027 * config.gcc: Modify for above.
5029 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
5031 * jump.c (jump_optimize_1): Don't delete dead stores here.
5032 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
5033 prior to running jump optimize before cse2.
5035 2001-04-12 Richard Henderson <rth@redhat.com>
5037 * Makefile.in (regmove.o): Depend on except.h.
5038 * regmove.c: Include it.
5040 2001-04-12 Stan Shebs <shebs@apple.com>
5042 * objc/objc-act.c: Remove all code ifdefed with the never-used
5043 macro OBJC_INT_SELECTORS.
5044 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
5045 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
5047 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
5049 * config/pa/quadlib.c: Add prototypes.
5051 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5053 * bitmap.h (debug_bitmap): Delete redundant prototype.
5055 * rtl.h (get_frame_size): Likewise.
5057 2001-04-12 Jim Wilson <wilson@redhat.com>
5059 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
5060 to just emit an fnorm.
5062 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5064 * c-common.h (truthvalue_conversion, type_for_mode,
5065 type_for_size): Delete redundant declarations.
5067 * c-lex.h (is_class_name): Likewise.
5069 * c-tree.h (pedantic, convert, getdecls, gettags,
5070 global_bindings_p, init_decl_processing, insert_block,
5071 maybe_build_cleanup, poplevel, print_lang_decl,
5072 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
5073 set_block, incomplete_type_error, build_function_call,
5074 lvalue_or_else, mark_addressable): Likewise.
5076 * expr.h (expand_tree_builtin): Likewise.
5078 2001-04-12 Mark Mitchell <mark@codesourcery.com>
5080 * invoke.texi: Document --param max-gcse-memory.
5082 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5084 * configure.in (errno): Check for declaration.
5085 * configure, config.in: Regenerated.
5087 * system.h (errno): Only declare if not already done.
5089 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
5091 * recog.c (general_operand, immediate_operand,
5092 nonmemory_operand): Require CONST_INTs to be sign-extended
5093 values for their modes.
5095 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
5097 * expmed.c (store_bit_field): Truncate CONST_INTs.
5098 (expand_mult_highpart, expand_divmod): Likewise.
5099 * expr.c (convert_modes, store_field): Likewise.
5100 * integrate.c (expand_inline_function): Use promote_mode() to
5101 determine whether to convert_modes() an argument as signed
5103 * optabs.c (expand_binop): Get CONST_INT operands
5104 sign-extended for their appropriate modes.
5105 * stmt.c (emit_case_nodes): Convert node values to the
5107 (expand_end_case): Convert minval and range to the appropriate
5109 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
5110 the iteration variable.
5111 * varasm.c (immed_double_const): Don't require words to be
5112 narrower than host wide ints to properly sign-extend
5115 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
5117 * sh.md (builtin_setjmp_receiver): New expander.
5119 2001-04-12 David Edelsohn <dje@watson.ibm.com>
5121 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
5122 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
5123 for generating CONST_INT and CONST_DOUBLE.
5125 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
5127 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
5128 already sign-extended.
5129 (rs6000_emit_prologue): Make register iterator signed.
5130 (rs6000_emit_epilogue): Likewise.
5131 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
5133 (movsf split, movdf split): Sign-extend CONST_INTs.
5134 (movdi splits): Likewise.
5136 2001-04-12 Kelley Cook <kelley.cook@home.com>
5138 * config-lang.in (lang_dirs): Add in zlib.
5140 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
5142 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
5143 operands that make it to RTL.
5145 2001-04-11 Stan Shebs <shebs@apple.com>
5147 Add Darwin (Mac OS X kernel) native support.
5148 * config.gcc (powerpc-*-darwin*): Add native bits.
5149 * config/darwin.c: New file, generic Darwin support functions.
5150 * config/darwin.h: New file, generic Darwin definitions.
5151 * config/darwin-protos.h: New file, generic Darwin prototypes.
5152 * rs6000/darwin.h: New file, Darwin for PowerPC.
5153 * rs6000/t-darwin: New file, Darwin makefile fragment.
5154 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
5155 (TARGET_MACHO): Ditto.
5156 (rs6000_abi): Add ABI_DARWIN.
5157 (RS6000_REG_SAVE): Add ABI_DARWIN case.
5158 (RS6000_SAVE_AREA): Ditto.
5159 (FP_ARG_MAX_REG): Ditto.
5160 (RETURN_ADDRESS_OFFSET): Ditto.
5161 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
5163 (rs6000_emit_move): Add ABI_DARWIN cases.
5164 (print_operand): Ditto.
5165 (first_reg_to_save): Ditto.
5166 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
5167 (debug_stack_info): Ditto.
5168 (rs6000_emit_prologue): Ditto.
5169 (rs6000_emit_epilogue): Ditto.
5170 (output_profiler_hook): Ditto.
5171 (output_function_profiler): Ditto.
5172 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
5173 (output_mi_thunk): Add TARGET_MACHO case.
5174 (add_compiler_stub): Ditto.
5175 (output_compiler_stub): Ditto.
5176 (no_previous_def): Ditto.
5177 (output_call): Ditto.
5178 (machopic_output_stub): Ditto.
5179 (rs6000_machopic_legitimize_pic_address): Ditto.
5180 (toc_section): Ditto.
5181 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
5182 (macho_high): Ditto.
5185 (load_macho_picbase): Ditto.
5186 (call): Add TARGET_MACHO case to modify function.
5187 (call_value): Ditto.
5188 (call_nonlocal_sysv): Add ABI_DARWIN case.
5189 (call_value_nonlocal_sysv): Ditto.
5190 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
5192 (machopic_output_stub): Ditto.
5193 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
5195 2001-04-11 Mark Mitchell <mark@codesourcery.com>
5197 * dwarf2out.c (modified_type_die): Don't create new types here.
5198 * tree.h (get_qualified_type): New function.
5199 (build_qualified_type): Adjust comment.
5200 * tree.c (get_qualified_type): New function.
5201 (build_qualified_type): Use it.
5203 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5205 * cpp.texi (-Wtraditional): Update description.
5207 * invoke.texi (-Wtraditional): Likewise.
5209 2001-04-11 Jim Wilson <wilson@redhat.com>
5211 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
5212 requires more than 64 bits of alignment.
5214 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
5216 * cpplib.c (do_line): Sanity check iff enable checking.
5218 2001-04-11 Richard Henderson <rth@redhat.com>
5220 * Makefile.in (insn-recog.o): Depend on toplev.h.
5221 (insn-emit.o, doloop.o): Likewise.
5222 * genrecog.c, genemit.c: Include toplev.h in generated file.
5223 * doloop.c: Include toplev.h.
5225 2001-04-11 Mark Mitchell <mark@codesourcery.com>
5227 * Makefile.in (gcse.o): Depend on params.h.
5228 * gcse.c: Include params.h.
5229 (gcse_main): Don't do GCSE if doing so will take inordinate
5231 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
5232 * params.h (MAX_GCSE_MEMORY): New macro.
5234 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5236 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
5238 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
5240 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5242 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
5244 * real.h (ereal_atof, real_value_truncate, target_isnan,
5245 target_isinf, target_negative, assemble_real, debug_real): Delete
5246 redundant prototypes.
5248 * Makefile.in (ifcvt.o): Depend on toplev.h.
5250 * c-semantics.c: Include expr.h.
5252 * ifcvt.c: Include toplev.h.
5254 * expr.h (rtx_equal_p): Delete prototype.
5256 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
5257 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
5258 eliminate_constant_term, expand_complex_abs, find_single_use,
5259 make_tree, init_expr_once, init_optabs, supports_one_only):
5262 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
5263 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
5264 expand_assignment, store_expr, emit_line_note_after,
5265 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
5267 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
5269 * sparc-protos.h: Delete redundant prototypes.
5271 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
5273 * reload.c (push_reload): Add condition missed in SUBREG byte
5276 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5278 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
5280 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
5282 * i386.md (floatsisf_sse): Fix output template
5283 * i386.c (ix86_expand_fp_movcc)
5285 * reg-stack.c (emit_pop_insn): Handle complex modes.
5286 (move_for_stack_reg): Emit proper move mode.
5287 (subst_stack_regs_pat): Handle complex modes.
5289 2001-04-11 Jakub Jelinek <jakub@redhat.com>
5291 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
5293 2001-04-10 Richard Henderson <rth@redhat.com>
5295 * libgcc2.h (__terminate_func_ptr): Remove typedef.
5296 (__pure_virtual, __terminate, __terminate_set_func,
5297 __default_terminate, __throw_type_match, __empty,
5298 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
5299 __eh_rtime_match, __unwinding_cleanup, __rethrow,
5300 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
5301 Remove prototypes of deleted functions.
5303 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5305 * c-typeck.c (convert_arguments): -Wtraditional now activates
5306 -Wconversion warnings, except for changes in signed-ness.
5307 Detect complex<->int & int<->complex conversions as well.
5309 * invoke.texi (-Wtraditional): Document it.
5311 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5313 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
5314 * flow.c (set_block_for_new_insns): Remove needless cast and
5315 properly check for unset block number.
5317 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
5319 * function.c (purge_single_hard_subreg_set): Only check REGNO if
5320 the subreg was a hard register. Pseudos are left as subregs.
5322 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5324 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
5325 (LIB2ADD_ST): New macro, pass it to mklibgcc.
5326 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
5327 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
5328 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
5330 2001-04-09 Bo Thorsen <bo@suse.co.uk>
5332 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
5334 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
5336 * output.h (set_block_num): Missed it earlier, remove deprecated
5339 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
5341 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
5342 (load_killed_in_block_p): Change bb parameter from int to basic_block.
5343 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
5344 (handle_rd_kill_set): Change bb parameter from int to basic_block.
5345 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
5346 (expr_killed_p): Change bb parameter from int to basic_block, pass
5347 basic_blocks instead of ints as parameters.
5348 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
5349 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
5350 from int to basic_block, pass basic_blocks instead of ints as parms.
5351 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
5352 parameter from int to basic_block, pass basic_blocks instead of ints.
5353 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
5354 (insert_insn_end_bb): Change bb parameter from int to basic_block,
5355 pass basic_blocks instead of ints.
5356 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
5357 basic_blocks instead of ints as parameters.
5358 (pre_delete): Pass basic_blocks instead of ints as parameters.
5359 (hoist_expr_reaches_here_p): Change bb parameter from int to
5360 basic_block, pass basic_blocks instead of ints.
5361 (hoist_code): Pass basic_blocks instead of ints as parameters.
5362 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
5363 Change bb parameter from int to basic_block.
5364 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
5365 (insert_insn_start_bb): Change bb parameter from int to basic_block,
5366 pass basic_blocks instead of ints.
5367 (insert_store): Pass basic_blocks instead of ints as parameters.
5368 (replace_store_insn, delete_store): Change bb parameter from int to
5369 basic_block, pass basic_blocks instead of ints.
5370 (store_motion): Pass basic_blocks instead of ints as parameters.
5372 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
5374 * basic-block.h (set_new_block_for_insns): New Prototype.
5375 (set_block_num): Delete prototype.
5376 * flow.c (set_block_num): Remove obsolete function.
5377 (set_block_for_new_insns): Set BB for single or multiple insns.
5378 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
5379 (process_insn_end_bb): Use set_block_for_new_insns or
5380 set_block_for_insn instead of set_block_num.
5381 (pre_insert_copy_insn): Use set_block_for_new_insns.
5382 (update_ld_motion_stores): Use set_block_for_new_insns.
5383 (insert_insn_start_bb): Use set_block_for_new_insns.
5384 (replace_store_insn): Use set_block_for_new_insns.
5386 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
5387 Jeff Law <law@redhat.com>
5389 * alias.c (get_addr): Externalize.
5390 (canon_true_dependence): New function. Behaves like true_dependance
5391 except it already assumes a MEM has been canonicalized.
5392 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
5393 * gcse.c (struct ls_expr): Add load/store expressions structure.
5394 (modify_mem_list, canon_modify_mem_list): New variable.
5395 (gcse_main): Initialize & finalize alias analysis. Use enhanced
5396 load motion and store motion if requested.
5397 (alloc_gcse_mem): Allocate space for modify_mem_list array.
5398 (free_gcse_mem): Free the modify_mem_list array.
5399 (oprs_unchanged_p): Use load_killed_in_block_p.
5400 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
5401 (mems_conflict_for_gcse_p): New function. Don't kill loads
5402 with stores to themselves if its in the load/store expression list.
5403 (load_killed_in_block_p): New function.
5404 (canon_list_insert): New Function.
5405 (record_last_mem_set_info): Keep a list of all instructions which
5406 can modify memory for each basic block.
5407 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
5408 (oprs_not_set_p): Use load_killed_in_block_p.
5409 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
5410 (expr_killed_p): Use load_killed_in_block_p.
5411 (compute_transp): Do not pessimize memory references.
5412 (pre_edge_insert): Update stores for a load motion expression.
5413 (one_pre_gcse_pass): Check loads/stores for extra load motion.
5414 (ldst_entry): Find or create a ldst_expr structure.
5415 (free_ldst_entry): Free memory for an individual item.
5416 (free_ldst_mems): Free entire load/store expression list.
5417 (print_ldst_list): Print debug info.
5418 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
5419 (enumerate_ldsts): Assign integer values to each entry in list.
5420 (first_ls_expr): First expression in the list.
5421 (next_ls_expr): Next expression in the list.
5422 (simple_mem): Check if expression qualifies for ld/st expression list.
5423 (invalidate_any_buried_refs): Remove from expression list if its
5424 used in some other way we dont understand.
5425 (compute_ld_motion_mems): Find all potential enhanced load motion
5427 (trim_ld_motion_mems): Remove any expressions which are invalid.
5428 (update_ld_motion_stores): Copy store values to registers for loads
5429 which have been moved.
5430 (regvec, st_antloc, num_store): New global statics.
5431 (reg_set_info): Marks registers as set.
5432 (store_ops_ok): Verfies registers expressions are valid in a block.
5433 (find_moveable_store): Look for moveable stores in a pattern.
5434 (compute_store_table): Find stores in a function worth moving, maybe.
5435 (load_kills_store): Check dependance of a load and store.
5436 (find_loads): Find any loads in a pattern.
5437 (store_killed_in_insn): Check if a store is killed in an insn.
5438 (store_killed_after): Check is store killed after an insn in a block.
5439 (store_killed_before): Check is store killed before an insn in a block.
5440 (build_store_vectors): Generate the antic and avail vectors.
5441 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
5442 (insert_store): Add a store to an edge.
5443 (replace_store_insn): Replace a store with a SET insn.
5444 (delete_store): Delete a store insn.
5445 (free_store_memory): Free memory.
5446 (store_motion): Perform store motion.
5447 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
5448 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
5449 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
5450 (f_options): Add gcse-lm and gcse-sm.
5452 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
5454 * i386.c (expand_fp_movcc): Fix condition reversal code.
5456 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
5457 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
5458 (CLASS_MAX_NREGS): Use it.
5460 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
5461 handle properly complex values.
5462 (CLASS_MAX_NREGS): Likewise; update comment.
5464 2001-04-05 Bernd Schmidt <bernds@redhat.com>
5466 * ia64.c (ia64_flag_schedule_insns2): New variable.
5467 (ia64_override_options): Initialize it. Clear
5468 flag_schedule_insns_after_reload.
5469 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
5471 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
5473 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
5474 Do not require source to match destination anymore;
5475 Add abort to the nontrivial cases that should be handled by split.
5476 (fix_trunc?fdi): Add SSE case for x86_64.
5477 (floatdi?f): Likewise.
5478 (floatdi?f_sse): New.
5479 (fix_trunc?fdi_sse): New.
5481 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
5483 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
5484 (DEBUG_ARANGES_END_LABEL): Ditto.
5485 (dwarfout_init): Generate length and version fields at the start
5486 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
5487 after the length field.
5488 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
5489 the .debug_aranges info.
5491 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
5493 * i386.c (call, call_value): Make sure that resulting call_insn
5494 does have proper second operand.
5496 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
5498 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
5499 function. Remove include of sys/cygwin.h.
5501 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
5503 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
5504 (CPP_SPEC): Always search */include/w32api for header files.
5505 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
5506 (LINK_SPEC): Add "cyg" to the library search prefixes.
5508 2001-04-08 Philip Blundell <philb@gnu.org>
5510 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
5512 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
5514 * cpperror.c (print_location): Don't special case <stdin>.
5515 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
5516 WARNING, but we don't check if we're in system headers.
5517 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
5518 * cpplib.c (do_warning): Warn in system headers.
5520 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
5522 * mbchar.c: Include config.h first.
5524 2001-04-07 Zack Weinberg <zackw@stanford.edu>
5526 * config.gcc: Set default for xmake_file at top, not bottom.
5527 Change places that set xmake_file to "none" to set to the
5528 empty string instead, or remove them entirely if there is no
5529 default xmake_file for this cpu_type. Remove references to
5532 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
5533 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
5534 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
5535 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
5536 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
5537 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
5538 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
5539 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
5540 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
5541 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
5544 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
5545 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
5546 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
5547 config/mips/x-sysv, config/rs6000/x-aix31:
5548 Just set CLIB to -lld or -lmld, as appropriate.
5550 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
5551 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
5552 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
5553 config/mips/x-iris, config/pa/x-pa:
5554 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
5555 OTHER_FIXINCLUDES_DIRS.
5557 * config/i386/x-djgpp: Don't set LN or LN_S.
5558 * config/m88k/x-dolph: Don't define __m88k__.
5559 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
5560 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
5561 * config/i860/fx2800.h: No need to #undef SVR4.
5563 38 x-host fragments remain, 2 x-cpu.
5565 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5567 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
5569 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
5571 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
5573 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
5575 * configure.in: Add check for lstat.
5576 * configure, config.in: Regenerate.
5577 * cppinit.c (append_include_chain): Make empty path ".".
5578 * cpplib.c (do_line): Don't simplify #line paths.
5579 * cppfiles.c (remove_component_p): New function.
5580 (find_or_create_entry): Acknowledge stat () errors during
5581 path simplification.
5582 (handle_missing_header): Don't simplify paths.
5583 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
5584 the empty path untouched. Don't leave a trailing '/'.
5586 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
5588 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
5589 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
5591 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
5593 * cppfiles.c (open_file): Fail directories silently, but
5594 with an errno of NOENT set.
5595 (read_include_file): Move the common exit code to the sole
5596 caller. Return an int indicating success or failure. Let
5597 open_file handle directories.
5598 (stack_include_file): If read_include_file fails,
5599 push a "null" buffer.
5601 2001-04-05 DJ Delorie <dj@redhat.com>
5603 * function.h (virtuals_instantiated): Declare.
5604 * function.c: (virtuals_instantiated): Make global.
5605 * calls.c (emit_library_call_value_1): Use
5606 virtual_outgoing_args_rtx only if it hasn't been instantiated.
5607 Otherwise, use the stack pointer directly.
5609 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
5611 * i386.c (x86_initialize_trampoline): New global function.
5612 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
5613 (INITIALIZE_TRAMPOLINE): Move offline.
5614 * i386-protos.h (x86_initialize_trampoline): Declare.
5616 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
5618 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
5619 (lea_0): Rename to lea_1.
5620 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
5621 (lea_general_?): Allow SImodes on TARGET_64BIT
5622 (lea_general_?_zext): New patterns.
5623 (call_1, call_1_rex64): Fix.
5625 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
5627 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
5629 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
5631 * i386.c (function_arg): Return constm1_rtx for last argument.
5632 (ix86_expand_prologue): Update gen_call calls.
5633 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
5634 * i386.md (call_pop): Likewise.
5635 (call): Second operand is VOIDmode.
5636 (call_0): Likewise; Support 64bits.
5637 (call_exp): New expander.
5638 (call_1): Get to the sync.
5639 (call_1_exp): New pattern.
5640 (call_value): Support 64bit.
5641 (call_value_exp): New pattern.
5642 (untyped_call): Update gen_call call.
5643 (call_value_pop): Disable for 64bit.
5644 (call_value_0_rex64): New pattern.
5645 (call_value_1_rex64): Likewise.
5647 2001-04-05 Bo Thorsen <bo@suse.de>
5649 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
5651 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
5653 * i386.md (*andsi_1+3): If used after reload, make sure the operand
5654 satisfies ANY_QI_REG_P.
5656 2001-04-05 Bernd Schmidt <bernds@redhat.com>
5658 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
5661 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
5664 2001-04-04 Zack Weinberg <zackw@stanford.edu>
5666 * config.gcc: Remove default for xm_file. Clean up local
5667 machine type handling. Remove settings of xm_file to
5668 something that doesn't exist. In the big switch, set xm_file,
5669 don't append to it (the value before the big switch is always
5670 null). Don't force build_xm_file or host_xm_file to have a value.
5671 * configure.in: Remove default for xm_file. Do not special
5672 case $cpu/xm-$cpu.h not existing.
5673 * configure: Regenerate.
5675 2001-04-04 Diego Novillo <dnovillo@redhat.com>
5677 * simplify-rtx.c (simplify_binary_operation): Check for overflow
5678 when folding integer division and modulo operations.
5680 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
5682 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
5683 instead of DWARF2_ADDR_SIZE for EH addresses.
5684 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
5687 2001-04-04 Richard Henderson <rth@redhat.com>
5689 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
5690 * config/ia64/t-glibc (LIB2ADDEH): Disable.
5691 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
5693 2001-04-04 Richard Henderson <rth@redhat.com>
5695 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
5696 * configure: Rebuilt.
5698 2001-04-04 Jakub Jelinek <jakub@redhat.com>
5700 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
5701 push insns to delete to it instead of deleting them.
5702 (delete_null_pointer_checks): Delete insns from delete_list after
5703 all delete_null_pointer_checks_1 passes are done.
5705 2001-04-04 Richard Henderson <rth@redhat.com>
5707 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
5708 * configure: Rebuilt.
5710 2001-04-04 Zack Weinberg <zackw@stanford.edu>
5712 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
5713 * config/romp/xm-romp.h: Delete.
5715 2001-04-04 Bernd Schmidt <bernds@redhat.com>
5717 * sched-deps.c (sched_analyze_insn): Partially revert March 27
5720 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5722 * emit-rtl.c (mark_label_nuses) Increment the label uses for
5723 all labels present in rtx.
5724 (try_split) Call new function for all split insns.
5726 2001-04-04 Jakub Jelinek <jakub@redhat.com>
5728 * recog.c (validate_replace_rtx_1): Instead of aborting just make
5729 sure the change won't be validated.
5731 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
5733 * rtl.h (set_noop_p): Declare.
5734 * flow.c (set_noop_p): Move from here ...
5735 * rtlanal.c (set_noop_p): ... to here and enhance.
5736 * cse.c (delete_trivially_dead_insns): Use it.
5737 * gcse.c (hash_scan_set): Likewise.
5738 * jump.c (delete_noop_moves): Likewise.
5739 * recog.c (split_all_insns): Likewise.
5741 2001-04-04 Alan Modra <alan@linuxcare.com.au>
5743 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
5744 stack pointer via a LO_SUM. Ditto for setting a temp register
5745 used to save to the stack. Set cfa_temp when setting fp, and
5746 allow matches to cfa_temp in addition to cfa_store when saving
5747 regs. Handle POST_INC and LO_SUM register stores. Document the
5748 changes and errors in rule 12 doco.
5750 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
5751 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
5752 (load_reg): Move closer to epilogue code.
5753 (DO_FRAME_NOTES): Define to control the following..
5754 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
5755 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
5757 (hppa_expand_epilogue): Likewise.
5759 2001-04-03 Richard Henderson <rth@redhat.com>
5761 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
5762 * configure: Rebuild.
5764 2001-04-03 Richard Henderson <rth@redhat.com>
5766 * rtl.h (LCT_THROW): New.
5767 * calls.c (emit_library_call_value_1): Handle it.
5768 * except.c (connect_post_landing_pads): Use it.
5770 2001-04-03 Zack Weinberg <zackw@stanford.edu>
5772 * gansidecl.h: Delete file.
5773 * configure.in: Change all refs to gansidecl.h to use
5774 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
5776 * configure: Regenerate.
5778 * Makefile.in (intl.o): Don't depend on gansidecl.h.
5779 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
5780 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
5781 Don't include gansidecl.h.
5782 * intl.c, main.c, version.c, fixinc/fixlib.h,
5783 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
5786 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
5788 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
5791 2001-04-03 Zack Weinberg <zackw@stanford.edu>
5793 * config/i386/xm-beos.h, config/i386/xm-isc.h,
5794 config/i386/xm-next.h, config/i386/xm-sco.h,
5795 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
5796 config/m88k/xm-m88k.h: Delete.
5798 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
5799 * config/romp/xm-romp.h: Don't define bcopy.
5800 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
5801 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
5803 * config.gcc: Remove references to deleted files.
5805 14 xm-host.h remain, 1 xm-cpu.h.
5807 2001-04-03 Jakub Jelinek <jakub@redhat.com>
5808 David S. Miller <davem@pierdol.cobaltmicro.com>
5809 Andrew MacLeod <amacleod@redhat.com>
5811 Use byte offsets in SUBREGs instead of words.
5813 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
5814 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
5815 to pass new argument.
5816 (add_stored_regs): Use subreg_regno_offset function.
5817 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
5819 (precompute_arguments): Use gen_lowpart_SUBREG.
5820 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
5821 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
5822 (simplify_set): Rework to use SUBREG_BYTE.
5823 (expand_field_assignment): Use SUBREG_BYTE.
5824 (make_extraction): Use SUBREG_BYTE.
5825 (if_then_else_cond): Use SUBREG_BYTE.
5826 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
5827 (gen_lowpart_for_combine): Compute full byte offset.
5828 * cse.c (mention_regs): Use SUBREG_BYTE.
5829 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
5830 (canon_hash): Use SUBREG_BYTE.
5831 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
5832 (gen_lowpart_if_possible): Formatting.
5833 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
5835 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
5836 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5837 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5838 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
5839 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5840 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5841 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
5842 certain invariants about SUBREGs the compiler creates.
5843 (gen_lowpart_SUBREG): New function.
5844 (subreg_hard_regno): New function to get the final register number.
5845 (gen_lowpart_common): Use SUBREG_BYTE.
5846 (gen_imagpart): Spacing nits.
5847 (subreg_realpart_p): Use SUBREG_BYTE.
5848 (gen_highpart): Use SUBREG_BYTE.
5849 (subreg_lowpart_p): Always compute endian corrected goal offset,
5850 even at the byte level, then compare against that.
5851 (constant_subword): New function, pulled out all constant cases
5852 from operand_subword and changed second argument name to offset.
5853 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
5854 and call constant_subword to do the work. Return const0_rtx if
5855 looking for a word outside of OP.
5856 (operand_subword_force): Change second arg name to offset.
5857 * expmed.c (store_bit_field): Use SUBREG_BYTE.
5858 (store_split_bit_field): Use SUBREG_BYTE.
5859 (extract_bit_field): Use SUBREG_BYTE.
5860 (extract_split_bit_field): Use SUBREG_BYTE.
5861 (expand_shift): Use SUBREG_BYTE.
5862 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
5863 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
5864 * flow.c (set_noop_p): Use SUBREG_BYTE.
5865 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
5866 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
5867 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
5869 (optimize_bit_field): Use SUBREG_BYTE.
5870 (purge_addressof_1): Use SUBREG_BYTE.
5871 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
5872 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
5873 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
5874 * gengenrtl.c (special_rtx): Add SUBREG.
5875 * global.c (mark_reg_store): Use SUBREG_BYTE.
5876 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
5877 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
5878 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
5879 final byte offset is congruent to subreg's mode size.
5880 (subst_constants): Use SUBREG_BYTE.
5881 (mark_stores): Use subreg_regno_offset function.
5882 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
5883 function and SUBREG_BYTE.
5884 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
5885 (reg_is_born): Use subreg_hard_regno.
5886 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
5887 endian correction code. Don't combine subregs unless resulting
5888 offset aligns with type. Fix subreg constant extraction for DImode.
5889 Simplify SUBREG of VOIDmode CONST_DOUBLE.
5890 (general_operand): Remove dead mode_altering_drug code.
5891 (indirect_operand): Use SUBREG_BYTE.
5892 (constrain_operands): Use subreg_regno_offset function.
5893 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
5894 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
5895 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
5896 * regs.h (REG_SIZE): Allow target to override.
5897 (REGMODE_NATURAL_SIZE): New macro which target can override.
5898 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
5899 on the entire subreg rtx.
5900 (push_reload): Use SUBREG_BYTE in comments and code.
5901 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
5902 for hard registers inside subregs.
5903 (operands_match_p): Use subreg_regno_offset.
5904 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
5905 containing hard regs.
5906 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
5907 corrections when fixing up MEM subregs.
5908 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
5909 subreg_regno_offset where appropriate.
5910 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
5911 byte endian corrections when fixing up MEM subregs.
5912 (subst_reloads): When combining two subregs, make sure final
5913 offset is congruent to subreg's mode size.
5914 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
5915 (refers_to_regno_for_reload_p): Use subreg_regno.
5916 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
5917 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
5918 correction code for memory subreg fixups.
5919 (forget_old_reload_1): Use subreg_regno_offset.
5920 (choose_reload_regs): Use subreg_regno.
5921 (emit_input_reload_insns): Use SUBREG_BYTE.
5922 (reload_combine_note_store): Use subreg_regno_offset.
5923 (move2add_note_store): Use subreg_regno_offset.
5924 * resource.c (update_live_status, mark_referenced_resources): Use
5925 subreg_regno function.
5926 (mark_set_resources): Use subreg_regno function.
5927 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
5928 (subreg_regno_offset, subreg_regno): Define prototypes.
5929 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
5930 (gen_lowpart_SUBREG): Add prototype.
5931 * rtl.texi (subreg): Update to reflect new byte offset representation.
5932 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
5933 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
5934 (reg_overlap_mentioned_p): Use subreg_regno.
5935 (replace_regs); Make sure final offset of combined subreg is
5936 congruent to size of subreg's mode.
5937 (subreg_regno_offset): New function.
5938 (subreg_regno): New function.
5939 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
5940 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
5941 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
5942 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
5943 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
5944 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
5945 (a29k_get_reloaded_address): Use SUBREG_BYTE.
5946 (print_operand): Use SUBREG_BYTE.
5947 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
5948 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
5949 (arm_reload_out_hi): Use SUBREG_BYTE.
5950 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
5951 instead of SUBREG_WORD.
5952 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
5953 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
5954 SUBREG creation to use byte offset.
5955 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
5956 inverted load insns): Fix explicit rtl subregs to use byte
5958 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
5959 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
5960 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
5961 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
5962 to use byte offsets.
5963 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
5964 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
5965 offsets, also make sure it is congruent to SUBREG's mode size.
5966 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
5967 unnamed ldob insn): Generate SUBREGs with byte offset.
5968 (zero_extendqihi2): SUBREG's are byte offsets.
5969 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
5970 (m68hc11_gen_highpart): Use SUBREG_BYTE.
5971 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
5972 zero-extendqisi2): Generate SUBREGs with byte offset.
5973 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
5974 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
5975 subregs in rtl to use byte offsets.
5976 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
5977 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
5978 (mips_move_2words): Use subreg_regno_offset.
5979 (mips_secondary_reload_class): Use subreg_regno_offset.
5980 * config/mips/mips.md (DImode plus, minus, move, and logical op
5981 splits): Fixup explicit subregs in rtl to use byte offsets.
5982 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
5983 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
5984 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
5985 rtl to use byte offsets.
5986 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
5987 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
5988 subregs to use byte offsets.
5989 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
5990 Fixup explicit subregs in rtl to use byte offsets.
5991 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
5992 and remove byte endian correction code.
5993 * config/sh/sh.c (output_movedouble): Use subreg_regno.
5994 (gen_ashift_hi): Use SUBREG_BYTE.
5995 (regs_used): Use subreg_regno_offset.
5996 (machine_dependent_reorg): Use subreg_regno_offset.
5997 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
5998 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
5999 (movdf_i4): Subregs are byte offsets now.
6000 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
6001 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
6002 (REGMODE_NATURAL_SIZE): Override.
6003 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
6004 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
6006 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
6007 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
6008 extendqidi2): Generate SUBREGs with byte offsets, also make sure
6009 it is congruent to SUBREG's mode size.
6010 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
6012 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
6013 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
6014 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
6015 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
6016 * config/v850/v850.c (print_operand, output_move_double): Use
6017 subreg_regno function.
6019 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
6021 * configure.in (target_subdir): Use target_alias, not target.
6022 * configure: Rebuilt.
6024 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
6026 * config/sh/crti.asm: Fix typos in comments.
6028 2001-04-03 Alan Modra <alan@linuxcare.com.au>
6030 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
6031 TARGET_FAST_INDIRECT_CALLS.
6032 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
6034 (return_addr_rtx): Short circuit export stub matching when
6035 TARGET_NO_SPACE_REGS.
6036 (output_millicode_call): For out of range calls, make -fPIC
6037 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
6038 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
6039 * pa.md: Modify length attr calculation of all millicode insns to
6042 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
6044 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
6045 Require at least 2.11 in the version test. Specifically check
6046 for and reject GAS version 2.10.90.
6047 * configure: regenerate.
6049 2001-04-03 Alan Modra <alan@linuxcare.com.au>
6051 * pa.c (override_options): Remove PIC profiling warning.
6052 (hp_profile_labelno): Delete.
6053 (hp_profile_label_rtx): Delete.
6054 (hp_profile_label_name): Delete.
6055 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
6056 (output_function_prologue): Remove profiling code and all tests on
6057 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
6058 merge_sp_adjust_with_store can work for PIC and profiling.
6059 (hppa_expand_epilogue): Remove profile_flag test.
6060 (hppa_can_use_return_insn_p): Likewise.
6061 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
6062 cater for PROFILE_HOOK.
6063 (hppa_profile_hook): New function.
6064 * pa.h (FUNCTION_PROFILER): Now does nothing.
6065 (PROFILE_HOOK): Define.
6066 (hppa_profile_hook): Declare.
6067 (PROFILE_BEFORE_PROLOGUE): Delete.
6068 (ASM_OUTPUT_REG_PUSH): Delete.
6069 (ASM_OUTPUT_REG_POP): Delete.
6070 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
6071 r24. Accept function name operand, and use this and a locally
6072 generated label to calculate pc-rel offset to func start.
6074 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6076 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
6077 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
6080 2001-04-03 Alan Modra <alan@linuxcare.com.au>
6082 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
6083 LO_SUM cases to where they belong.
6085 2001-04-02 Richard Henderson <rth@redhat.com>
6087 * except.h (lang_eh_type_covers): Mark extern.
6088 (lang_eh_runtime_type): Likewise.
6090 2001-04-02 Zack Weinberg <zackw@stanford.edu>
6092 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
6093 gengenrtl.c: Wrap generated header in multiple-include guard.
6094 Improve error checking.
6096 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6098 * configure.in: Don't check for putenv.
6099 * configure: Regenerate.
6100 * gcc.c (putenv): Don't define.
6101 * vax/xm-vms.h: Handle putenv.
6103 2001-04-02 Jakub Jelinek <jakub@redhat.com>
6105 * ifcvt.c (noce_emit_move_insn): New.
6106 (noce_try_store_flag, noce_try_store_flag_constants,
6107 noce_try_store_flag_inc, noce_try_store_flag_mask,
6108 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
6109 noce_try_abs): Use it.
6110 (noce_process_if_block): Likewise.
6111 For STRICT_LOW_PART, take mode from its SUBREG.
6113 2001-04-02 Jakub Jelinek <jakub@redhat.com>
6115 * fold-const.c (fold): Before optimizing unsigned comparison with
6116 0x7fffffffU, make sure arg0 is integral type.
6118 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
6120 * c-tree.texi: Document representation of wide strings.
6122 2001-04-01 Richard Henderson <rth@redhat.com>
6124 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
6126 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
6128 * i386.md: remove obsoleted comments.
6129 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
6130 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
6131 fix output template.
6133 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
6135 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
6137 2001-03-30 Bernd Schmidt <bernds@redhat.com>
6139 * loop.c (load_mems): When generating a load from a pseudo, update
6142 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
6144 * i386.c (ix86_split_long_move): Use change address to compensate
6145 stack pointer change in push instruction.
6147 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
6149 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
6150 instead of rtx_equal_p; fix the output template.
6152 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
6154 * i386.c (ix86_expand_setcc): Support 64bit.
6155 (ix86_expand_int_movcc): Likewise.
6156 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
6159 * i386.md (allocate_stack_worker): Turn to expander.
6160 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
6162 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
6164 2001-03-29 Richard Henderson <rth@redhat.com>
6166 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
6168 2001-03-28 Matthew Hiller <hiller@redhat.com>
6170 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
6173 * MAINTAINERS: Added self.
6175 2001-03-28 Richard Henderson <rth@redhat.com>
6177 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
6178 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
6180 2001-03-28 Jim Wilson <wilson@redhat.com>
6182 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
6185 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6187 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
6189 * tradcif.y (yyerror): Likewise. Add format specifier in call to
6192 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
6194 2001-03-28 DJ Delorie <dj@redhat.com>
6196 * Makefile.in (stage1_build): Revert CFLAGS patch.
6198 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
6200 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
6201 when multiplier or multiplicand is zero.
6203 2001-03-28 Bernd Schmidt <bernds@redhat.com>
6205 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
6207 * config/ia64/ia64.c (update_set_flags): New function, broken out of
6209 (set_src_needs_barrier): Likewise.
6210 (rtx_needs_barrier): For SET case, use these two functions. Rework
6211 PARALLEL case to handle all inputs before all outputs.
6212 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
6213 saw a label and no stop bit since then.
6214 (maybe_rotate, process_epilogue): Add prototypes.
6216 2001-03-28 Richard Henderson <rth@redhat.com>
6218 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
6219 not TARGET_TOC for special toc restore handling.
6220 * config/rs6000/rs6000.md (eh_return): Likewise.
6222 2001-03-28 Richard Henderson <rth@redhat.com>
6224 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
6225 current_function_calls_eh_return.
6226 (output_function_epilogue): Handle eh_return.
6227 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
6228 (EH_RETURN_DATA_REGNO): New.
6229 (EH_RETURN_STACKADJ_RTX): New.
6230 (EH_RETURN_HANDLER_RTX): New.
6231 * config/sparc/sparc.md (call/short branch peepholes): Check
6232 can_throw_internal instead of in_same_eh_region.
6234 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
6235 for eh_return data registers.
6236 (rs6000_emit_prologue): Save eh_return data registers.
6237 (rs6000_emit_epilogue): Force inline restores if eh_return.
6238 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
6239 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
6240 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
6241 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
6242 the target uses one.
6243 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
6244 (return_eh_si, return_eh_di): Remove.
6245 (eh_return): New, from corpse of eh_epilogue.
6246 (eh_set_lr_si, eh_set_lr_di): New.
6248 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
6249 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
6250 True for pic register if current_function_calls_eh_return.
6251 (ix86_expand_epilogue): Change "emit_return" argument into "style".
6252 Handle eh_return requirements.
6253 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
6254 (EH_RETURN_STACKADJ_RTX): New.
6255 * config/i386/i386.md (exception_receiver): Remove.
6256 (eh_return, eh_return_1): New.
6257 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
6259 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
6260 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
6261 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
6262 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
6263 (EH_RETURN_DATA_REGNO): New.
6264 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
6265 * config/alpha/alpha.md (eh_epilogue): Remove.
6266 (exception_receiver): Use $26 for ldgp input.
6267 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
6269 2001-03-28 Richard Henderson <rth@redhat.com>
6271 * except.c: Rewrite entirely for IA-64 ABI exception handling.
6272 * except.h: Likewise.
6274 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
6275 (LIB2ADDEHDEP): New.
6276 (LIB2FUNCS_EH): Remove.
6277 (LIB2ADD): Remove LIB2ADDEH.
6278 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
6279 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
6280 (crt{begin,end}[S].o): Likewise.
6281 (except.o): Update includes.
6282 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
6283 (libgcc2_c_dep): Use LIB2ADDEHDEP.
6285 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
6286 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
6287 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
6288 * builtins.c (expand_builtin): Implement it.
6289 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
6290 * c-common.c (c_common_nodes_and_builtins): Declare it.
6291 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
6292 * calls.c (libfunc_nothrow): Remove.
6293 (emit_library_call_value_1): Don't call it.
6294 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
6295 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
6296 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
6297 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
6298 (current_funcdef_number): Globalize.
6299 (output_call_frame_info): Emit frame data if an lsda is needed.
6300 Generate augmentation for personality routine. Don't play with
6302 (dwarf2out_begin_prologue): Record funcdef_number.
6303 * dwarf2out.h (current_funcdef_number): Declare.
6304 * expr.c (expand_expr): Update for except.h name changes.
6305 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
6306 * expr.h (LTI_throw, LTI_rethrow): Remove.
6307 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
6308 (LTI_eh_rtime_match): Remove.
6309 (LTI_unwind_resume, LTI_eh_personality): Add.
6310 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
6311 * final.c (final): Don't call check_exception_handler_labels,
6312 init_insn_eh_region, or free_insn_eh_region.
6313 (final_scan_insn): Always emit debug labels for
6314 NOTE_INSN_EH_REGION notes.
6315 * flags.h (flag_new_exceptions): Remove.
6316 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
6317 (record_active_eh_regions): Remove.
6318 (count_basic_blocks): Check all instructions for REG_EH_REGION.
6319 Use can_throw_internal.
6320 (find_basic_blocks_1): Likewise.
6321 (move_stray_eh_region_notes): Remove.
6322 (find_label_refs): No eh_return_stub_label.
6323 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
6324 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
6326 (delete_unreachable_blocks): Don't track deleted handlers.
6327 (flow_delete_block): Use maybe_remove_eh_handler.
6328 (delete_eh_regions): Remove.
6329 (merge_blocks): Don't check for eh region match.
6330 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
6331 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
6332 (init_propagate_block_info): Disable dead frame store optimization
6333 when current_function_calls_eh_return.
6334 (dump_bb): Don't print eh_beg, eh_end.
6335 * function.c (fixup_var_refs): No catch_clauses.
6336 (expand_function_end): Likewise. Call expand_eh_return before
6337 the return register use. Call sjlj_emit_function_exit_after.
6338 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
6339 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
6340 * ifcvt.c (dead_or_predicable): Remove eh region check.
6341 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
6342 Don't check for EH vs parameters.
6343 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
6344 (expand_inline_function): Call duplicate_eh_regions.
6345 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
6346 (copy_insn_notes): Remap REG_EH_REGION notes.
6347 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
6348 * integrate.h (struct inline_remap): Add local_return_label.
6349 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
6350 check_exception_handler_labels, nor exception_optimize.
6351 (find_cross_jump): No EH region check.
6352 * optabs.c (init_optabs): Update for changed eh libfuncs.
6353 * rtl.def (RESX): New.
6354 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
6355 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
6356 checks. Update for except.h name changes.
6357 (expand_cleanups): Likewise.
6358 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
6359 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
6360 (compile_file): Call init_eh before init_optabs. Don't
6361 output_exception_table here.
6362 (rest_of_compilation): Call convert_from_eh_region_ranges,
6363 convert_to_eh_region_ranges, output_function_exception_table.
6364 Don't emit_eh_context.
6365 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
6366 (EXC_PTR_EXPR): New.
6368 * md.texi (eh_epilogue): Remove.
6369 (eh_return): Document.
6370 * tm.texi (EH_RETURN_DATA_REGNO): Document.
6371 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
6373 * eh-common.h: Remove file.
6374 * frame-dwarf2.c, frame.c, frame.h: Remove files.
6375 * libgcc2.c (L_eh): Remove.
6377 * unwind-dw2-fde.c: New file, largely copied from frame.c.
6378 * unwind-dw2-fde.h: New file.
6379 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
6380 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
6381 * libgcc-std.ver: Update for eh symbols.
6383 2001-03-27 Richard Henderson <rth@redhat.com>
6385 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
6386 reduce false positives.
6387 (regmove_optimize): Disable if flag_non_call_exceptions.
6389 * stmt.c (expand_return): Remove always true predicate.
6390 (expand_decl_cleanup_no_eh): Remove dead code.
6392 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
6393 barrier code. Add a scheduling barrier if a non-call insn
6394 can throw internally.
6396 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
6397 Auto-inc addresses trap only if their base register does.
6399 * except.c (can_throw_internal): Rename from can_throw.
6400 * except.h, resource.c: Update references.
6402 * integrate.c (copy_insn_list): Use returnjump_p.
6403 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
6405 * function.h (struct function): Move all boolean valued fields
6406 to single bit fields at the end of the struct.
6408 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
6410 Rename asynchronous_exceptions to flag_non_call_exceptions.
6412 * gthr-single.h (UNUSED): New. Distinguish between how C
6413 and C++ mark unused function arguments. Use throughout.
6415 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
6416 value to target configuration header.
6417 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
6418 * config.in, configure: Rebuild.
6419 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
6420 configuration and target defines.
6421 (exceptions_via_longjmp): Remove.
6422 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
6423 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
6425 * except.h (flag_non_call_exceptions): Move ...
6426 * flags.h: ... here.
6428 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
6429 exceptions, put the note on the trapping instruction.
6431 * flags.h (flag_new_exceptions): Remove.
6432 * toplev.c: Don't set it.
6433 * final.c: Don't check it.
6434 * except.c: Provide stub definition.
6436 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
6437 (calculate_global_regs_live): Kill call-clobbered registers
6438 across exception edges.
6439 * reg-stack.c (convert_regs_1): Kill the entire target stack
6440 across non-call exception edges.
6442 * flow.c (cleanup_cfg): Take no argument.
6443 * output.h, sibcall.c, toplev.c: Update all calls.
6445 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6447 * configure.in: Don't check for bcopy.
6448 * configure, config.in: Regenerate.
6450 * system.h: Don't define or prototype bcopy, instead poison it.
6452 2001-03-27 Richard Henderson <rth@redhat.com>
6454 * function.c (expand_function_start): Set DECL_REGISTER on
6455 a pseudo used for DECL_RESULT.
6457 * rtl.h (LCT_NORETURN): New.
6458 * calls.c (emit_library_call_value_1): Handle it.
6460 2001-03-27 Stan Shebs <shebs@apple.com>
6462 * objc/objc-act.c (objc_init): Use dump_base_name.
6463 (gen_declaration): Clear the buffer arg.
6464 (gen_declaration_1): New function, body of gen_declaration.
6465 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
6466 (gen_method_decl): Ditto, plus always clear buffer arg.
6467 (error_with_ivar): Simplify.
6468 (warn_with_method): Ditto.
6469 (build_message_expr): Don't clear buffers.
6470 (dump_interface): Ditto.
6471 (objc_debug): Ditto.
6472 (build_keyword_selector): Clear the buffer by only zeroing
6474 (objc_implementation_context): Declare.
6475 (start_class): Warn about missing @end.
6476 (finish_objc): Ditto.
6478 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
6480 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
6482 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6484 * Makefile.in (SYSTEM_H): Define.
6485 Depend on $(SYSTEM_H), not system.h.
6487 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
6489 2001-03-27 Jim Wilson <wilson@redhat.com>
6491 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
6493 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
6494 (process_epilogue): New static function.
6495 (process_set): Call process_epilogue instead of emitting .restore
6497 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
6499 * flow.c (struct reg_cond_life_info): New fields orig_condition
6501 (init_propagate_block_info): Set new fields.
6502 (mark_regno_cond_dead): Set and use new fields.
6503 (flush_reg_cond_reg_1): Likewise.
6504 (and_reg_cond, case AND): Check for redundant AND conditions.
6505 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
6508 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
6510 * cppmacro.c (stringify_arg): Null terminate strings.
6512 2001-03-27 Zack Weinberg <zackw@stanford.edu>
6514 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
6515 inclusion style. xm-m68hc11.h no longer exists.
6516 * config/m68hc11/xm-m68hc11.h: Delete file.
6517 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
6519 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
6520 Don't define GCC_VERSION, N_, or PARAMS; don't include
6521 gansidecl.h or stdio.h. Define inhibit_libc here.
6522 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
6523 Delete code conditioned on #if GCC_VERSION == 2095.
6525 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
6526 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
6527 Delete code conditioned on #if GCC_VERSION == 2095.
6529 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6531 * system.h: Include symcat.h.
6532 (STRINGIFY): Don't define.
6534 * configure.in: Adjust comment.
6536 * builtins.c: Use STRINGX, not STRINGIFY.
6537 * gencheck.c: Likewise.
6538 * gengenrtl.c: Likewise.
6539 * protoize.c: Likewise.
6541 * cpplex.c: Don't include symcat.h.
6542 * cpplib.c: Likewise.
6544 * gansidecl.h (HAVE_STRINGIZE): Don't define.
6546 2001-03-27 Alan Modra <alan@linuxcare.com.au>
6548 * c-typeck.c (digest_init): Fold init expression.
6550 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6552 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
6554 2001-03-27 Alan Modra <alan@linuxcare.com.au>
6556 * except.c (eh_regs): Save results of build_pointer_type to a temp
6557 as FUNCTION_VALUE macro may evaluate its args multiple times.
6559 2001-03-26 Mark Mitchell <mark@codesourcery.com>
6561 * c-common.h (DECL_NUM_STMTS): New macro.
6562 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
6564 (pushdecl): Likewise.
6565 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
6566 * integrate.c (expand_inline_function): Don't check
6568 * print-tree.c (print_node): Don't print it.
6569 * toplev.c (rest_of_compilation): Don't try to inline when
6570 flag_no_inline is on.
6571 * tree.h (DECL_FRAME_SIZE): Remove.
6572 (tree_decl): Adjust accordingly.
6574 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6576 * combine.c (try_combine): Use memcpy, not bcopy.
6578 * genattrtab.c (expand_units): Likewise.
6580 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
6582 * i386.md (push mem DI peep2): New.
6583 (mov 0, mov -1 peep2): Handle 64bit.
6584 (lea to arithmetics peep2): Handle 64bit leas.
6585 (rsp arithmetics to push/pop peep2s): New.
6587 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
6589 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
6591 * i386.c (struct machine_function): Add save_varrargs_registers.
6592 (ix86_save_varrargs_registers): New macro.
6593 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
6594 (ix86_expand_prologue): Likewise.
6595 (ix86_emit_epilogue_esp_adjustement): Likewise.
6596 (ix86_expand_epilogue): Likewise.
6597 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
6598 (pro_epilogue_adjust_stack_1): New insn.
6599 (pro_epilogue_adjust_stack_rex64): Likewise.
6600 * i386.h (MASK_NO_RED_ZONE): New constant.
6601 (TARGET_RED_ZONE): New macro.
6602 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
6603 (RED_ZONE_SIZE): New constant.
6604 (RED_ZONE_RESERVE): New constant.
6606 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6608 * toplev.c (set_float_handler): Use memcpy, not bcopy.
6610 2001-03-25 Kazu Hirata <kazu@hxi.com>
6612 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
6615 (umodhi3): Likewise.
6618 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6620 * mkconfig.sh (DEFINES): Handle entries with '='.
6622 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
6623 Set xm_defines to MACRO=value instead.
6625 * i370/xm-mvs.h: Delete.
6627 * ns32k/xm-pc532-min.h: Likewise.
6629 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
6631 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
6633 use ix86_expand_binary_operator
6634 (?sh??i_?): Disable for 64bit.
6635 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
6636 * i386.c (shiftdi_operand): New predicate.
6638 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
6639 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
6640 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
6641 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
6642 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
6643 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
6644 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
6645 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
6646 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
6647 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
6648 (rotldi3, rotrdi3): New expanders.
6650 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
6652 * i386.md (movstrsi): Move offline.
6654 (strmovdi_rex64): New.
6655 (strmov?i): Accept 64bit.
6656 (strmov?i_rex64): New.
6657 (strmov?i_rex_1): New.
6658 (strmov?i_1): Disable for 64bit.
6659 (rep_mov?i_rex64): New.
6660 (rep_mov?i): Disable for 64bit.
6661 (clrstrsi): Move offline.
6662 (strset?i_rex64): New.
6663 (strset?i: Accept 64bit.
6664 (rep_stos?i): Disable for 64bit.
6665 (rep_stos?i_rex64): New.
6666 (strset?i_rex_1): New.
6667 (strset?i_1): Disable for 64bit.
6668 (cmpstrsi): Accept 64bit.
6669 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
6670 (cmpstrqi_nz_rex_1): New.
6671 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
6672 (strlensi): Move offline.
6674 (strlenqi_1): Disable for 64bit; fix constraints.
6675 (strlenqi_rex_1): New.
6676 * i386.c (ix86_adjust_counter): New static function.
6677 (ix86_zero_extend_to_Pmode): Likewise.
6678 (ix86_expand_aligntest): Likweise.
6679 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
6680 (ix86_expand_movstr): New global function.
6681 (ix86_expand_clrstr): New global function.
6682 (ix86_expand_strlen): New global function.
6683 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
6684 ix86_expand_strlen): Declare.
6685 (ix86_expand_strlensi_unroll_1): Delete.
6687 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
6689 * i386.md (cmpdi): Fix operand predicates.
6690 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
6691 cmpdi_1_insn_rex64): New patterns.
6692 (adddi3): Turn to expander.
6693 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
6694 (addsi3_carry_zext): New pattern.
6695 (adddi_?_rex64): New patterns and splitters.
6696 (addsi_?_zext): New patterns.
6697 (subsi3_carry_zext): New pattern.
6698 (subdi_?_rex64): New patterns and splitters.
6699 (iorsi_?_zext): New patterns.
6700 (iordi_?_rex64): New patterns and splitters.
6701 (iorsi_?_zext): New patterns.
6702 (iorsi_?_zext_imm): New patterns.
6703 (xorsi_?_zext): New patterns.
6704 (xordi_?_rex64): New patterns and splitters.
6705 (xorsi_?_zext): New patterns.
6706 (negdi*): New patterns.
6707 (one_cmpldi*): Likewise.
6708 (one_cmplsi*_zext, negsi*_zext): Likewise.
6709 (testqi_ext_3_rex64): New pattern.
6711 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
6713 * i386-protos.h (ix86_split_long_move): Return void.
6714 * i386.c (ix86_split_to_parts): Handle 64bit target.
6715 (ix86_split_long_move): Likewise.
6716 * i386.md (all calls to ix86_split_long_move): Update.
6718 2001-03-23 Richard Henderson <rth@redhat.com>
6720 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
6721 to avoid shadowing arguments.
6723 2001-03-23 Jakub Jelinek <jakub@redhat.com>
6725 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
6726 to variable names where DECL_NAME is different from
6727 DECL_ASSEMBLER_NAME.
6729 2001-03-23 Jim Wilson <wilson@redhat.com>
6731 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
6732 (assemble_alias): Call make_decl_rtl.
6734 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
6736 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
6738 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
6740 * extend.texi: Document the "java_interface" attribute.
6742 2001-03-22 Zack Weinberg <zackw@stanford.edu>
6744 * mkconfig.sh: Use a subshell with redirected stdout,
6745 instead of closing stdout and confusing commands that run
6746 afterward. Throw away output of cmp.
6748 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
6750 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
6752 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
6754 * i386.md (zero_extendsidi2_32): Break out from ...
6755 (zero_extendsidi2): ... here ; turn to expander.
6756 (zero_extendsidi2_rex64): New.
6757 (extendsidi2_32): Break out from ...
6758 (extendsidi2): ... here ; turn to expander.
6759 (extendsidi2_rex64): New.
6760 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
6761 (trunc?f?f splitters): Add 64bit versions.
6763 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
6765 * i386.md (pushsi, pushsi2_prologue): Disable.
6766 (pushsi2_rex64): New.
6767 (movabs?i_1_rex64, movabs?i_2_rex64): New.
6768 (movqi_ext_1): Disable for 64bit.
6769 (movqi_ext_1_rex64): New.
6770 (pushdi2_rex64): New pattern, peep2s and splitter.
6771 (pushdi2_prologue_rex64): New pattern.
6772 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
6774 (movdi splitters): Disable for 64bit.
6775 (movdi_1_rex64): New pattern, peep2s and splitters.
6776 (swapdi): New pattern.
6777 (pushsf): Disable for 64bit.
6778 (pushsf_rex64): New pattern and splitter.
6779 (pushdf_nointeger): Disable for 64bit.
6780 (pushdf_integer): Handle the 64bit case.
6781 (pushtf): Likewise; update splitters.
6783 2001-03-22 Richard Henderson <rth@redhat.com>
6785 * mkconfig.sh: Include insn-flags.h.
6786 * Makefile.in (CONFIG_H): Include insn-flags.h.
6787 (lots of objects): Remove insn-codes.h and insn-flags.h.
6789 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
6790 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
6791 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
6792 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
6793 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
6794 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
6795 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
6796 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
6797 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
6798 v850/v850.c, vax/vax.c:
6799 Don't include insn-flags.h.
6801 * diagnostic.c, expr.h, reload.c, toplev.c:
6802 Don't include insn-codes.h.
6804 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
6805 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
6806 c4x/c4x.c, i960/i960.c, mips/mips.c:
6807 Don't include insn-codes.h or insn-flags.h.
6809 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
6810 or insn-flags.h in the generated code.
6811 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
6812 (main): Forward declare struct rtx_def.
6814 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
6816 * invoke.texi (-ffast-math): Remove duplicate line about
6819 * gcc.texi: Remove more obsolete documentation of bugs and
6820 installation problems.
6822 2001-03-21 Kazu Hirata <kazu@hxi.com>
6824 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
6827 2001-03-20 Jason Merrill <jason@redhat.com>
6829 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
6831 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
6832 * varasm.c (CHKR_PREFIX): Likewise.
6834 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6836 * gcse.c (hash_scan_set): An expression is not anticipatible if it
6837 is part of a multi-SET insn.
6839 * cse.c (find_comparison_args): Remove previous change.
6840 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
6843 * config/i386/i386.md (conditional_trap): Remove warning.
6845 * recog.c (push_operand): Fix error in last change that caused
6846 undefined symbol on many targets.
6848 * sdbout.c: #include ggc.h.
6849 (sdbout_init): Move to end of file.
6850 Call ggc_add_tree_root for anonymous_types.
6851 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
6852 (sdbout_one_type): Use DECL_NAME for field name.
6853 * Makefile.in (sdbout.o): Show includes ggc.h.
6855 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
6857 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
6858 (override_options): Use properlimits for preferred_stack_boundary.
6859 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
6861 (ext_register_operand): Accept DImode.
6862 (load_pic_register): Abort on 64bit.
6863 (gen_push): Use Pmode instead of SImode.
6864 (ix86_save_reg): Pic reg is never used on 64bit.
6865 (ix86_expand_prologue): Likewise.
6866 (ix86_emit_save_regs): Use Pmode instead of SImode.
6867 (legitimate_address_p): Check displacement for 64bit.
6868 (print_operand): Avoid outputting of (%rip) on 64bit.
6869 (print_operand_address): Output (%rip) where possible.
6870 (split_di): Abort on 64bit registers.
6871 (ix86_expand_branch): DImode comparison is simple for x86_64.
6872 (memory_address_length): Recognize memory addresses formed using
6874 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
6876 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
6878 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
6880 * recog.c (push_operand): Recognize new format of push instructions.
6882 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
6884 * i386.md (pushqi1): New.
6885 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
6886 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
6887 x86_64_immediate_operand, x86_64_immediate_operand,
6888 x86_64_zext_immediate_operand): Declare.
6889 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
6890 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
6891 x86_64_immediate_operand, x86_64_immediate_operand,
6892 x86_64_zext_immediate_operand): define.
6893 * i386.h (PREDICATE_CODES): Add new predicates.
6895 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
6897 * i386.md (pophi1, popqi1, pushqi1): Remove.
6899 * expr.c (emit_single_push_insn): New function.
6900 (move_by_pieces): Accept NULL as destination for push instructions.
6901 (gen_push_operand): Kill.
6902 (emit_push_insn): Pass NULL when pushing; avoid updating of
6903 stack_pointer_delta.
6904 * expr.h (gen_push_operand): Kill.
6906 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6908 * rtl.texi (COMPARE): Clarify documentation and reference section
6911 2001-03-20 Stan Shebs <shebs@apple.com>
6913 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
6914 (get_object_reference): Ditto.
6915 (error_with_ivar): Use error_with_file_and_line.
6916 (warn_with_method): Use warning_with_file_and_line.
6918 2001-03-20 Tom Tromey <tromey@redhat.com>
6920 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
6922 2001-03-20 Mark Mitchell <mark@codesourcery.com>
6924 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
6925 variables that are TREE_PUBLIC, even if not TREE_STATIC.
6927 2001-03-20 DJ Delorie <dj@redhat.com>
6929 * Makefile.in (install-libgcc): Pass complete list of variables.
6930 (install-multilib): Ditto.
6932 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
6934 * config/i386/cygwin.h: Declare ctor_section, dtor_section
6935 drectve_section, switch_to_section.
6937 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
6938 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
6939 i386_pe_mark_dllimport.
6941 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
6943 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
6944 functions i386_pe_*.
6946 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
6947 i386_pe_* functions with char * arguments.
6949 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
6951 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
6953 (movsi_ie): Introduce fpul store.
6955 2001-03-20 Alan Modra <alan@linuxcare.com.au>
6957 * Makefile.in (OBJS): Remove hashtab.o.
6959 2001-03-19 Stan Shebs <shebs@apple.com>
6961 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
6962 * c-lang.c (maybe_objc_method_name): Ditto.
6963 * c-tree.h (maybe_objc_method_name): Remove decl.
6965 2001-03-19 Tom Tromey <tromey@redhat.com>
6967 * gcc.c (init_gcc_specs): Fix comment.
6969 2001-03-19 Mark Mitchell <mark@codesourcery.com>
6971 Compute DECL_ASSEMBLER_NAME lazily.
6972 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
6973 (DECL_ASSEMBLER_NAME_SET_P): New macro.
6974 (SET_DECL_ASSEMBLER_NAME): Likewise.
6975 (COPY_DECL_ASSEMBLER_NAME): Likewise.
6976 (set_decl_assembler_name): Declare.
6977 (lang_set_decl_assembler_name): Likewise.
6978 * tree.c (lang_set_decl_assembler_name): New variab.e
6979 (set_decl_assembler_name): New function.
6980 (init_obstacks): Set lang_set_decl_assembler_name.
6981 (build_decl): Don't set DECL_ASSEMBLER_NAME.
6982 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
6983 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
6984 where it's not necessary.
6985 (builtin_function): Likewise.
6986 (finish_decl): Likewise.
6987 * dbxout.c (dbxout_type_methods): Likewise.
6988 * ggc-common.c (ggc_mark_trees): Likewise.
6989 * profile.c (output_func_start_profiler): Likewise.
6990 * varasm.c (make_decl_rtl): Likewise.
6992 * cse.c (find_comparison_args): Update documentation. Fix
6993 mishandling of COMPARE operations.
6995 * tree.def (ABS_EXPR): Add documentation.
6996 * fold-const.c (fold): Improve folding of ABS_EXPRs.
6998 2001-03-19 Zack Weinberg <zackw@stanford.edu>
7000 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
7002 2001-03-19 Jakub Jelinek <jakub@redhat.com>
7004 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
7005 Remove ia32 linux PIC kludge and move it...
7006 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
7008 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
7010 * i386.md (absdf2 expander): Fix 64bit case.
7012 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
7014 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
7016 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
7018 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
7020 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7022 * README.X11: Remove obsolete file.
7024 2001-03-18 Anthony Green <green@redhat.com>
7026 * config/pj/pj.h: Remove some trailing commas.
7027 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
7029 2001-03-18 Richard Henderson <rth@redhat.com>
7031 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
7032 * calls.c: ... here.
7033 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
7034 defaults for them here.
7036 2001-03-17 Anthony Green <green@redhat.com>
7038 * config/pj/lib1funcs.S: Fix broken comment.
7039 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
7042 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
7044 * gcc.texi: Remove obsolete information relating to build and
7045 installation problems with enquire or the Pyramid C compiler.
7047 2001-03-17 Richard Henderson <rth@redhat.com>
7049 * dwarf2out.c (queue_reg_save): New.
7050 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
7051 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
7053 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
7054 (cfa, cfa_store, cfa_temp): Make static.
7055 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
7057 2001-03-17 Richard Henderson <rth@redhat.com>
7059 * integrate.h (struct inline_remap): Add local_return_label.
7060 * integrate.c (expand_inline_function): Initialize it and emit
7061 it after copy_insn_notes.
7062 (copy_insn_list): Don't store local_return_label here.
7063 (copy_insn_notes): New function split out from copy_insn_list.
7065 2001-03-17 Richard Henderson <rth@redhat.com>
7067 * dwarf2out.c (lookup_filename): Emit .file if the assembler
7068 is generating .debug_line.
7069 (dwarf2out_init): Add main_input_filename to the file table first.
7070 * configure.in (as_dwarf2_debug_line): Test with file number 1
7071 instead of file number 0.
7073 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7075 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
7076 (gen_rtx_combine): Deleted; all references changed as appropriate.
7077 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
7079 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
7081 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
7083 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
7086 2001-03-16 Jim Wilson <wilson@redhat.com>
7088 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
7089 then set it to LOC_REG (79) instead of aborting.
7091 2001-03-16 Phil Edwards <pme@sources.redhat.com>
7093 * gccbug.in: Remove high priority.
7095 2001-03-16 Richard Henerson <rth@redhat.com>
7097 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
7098 output with a space instead of deleting it.
7099 * configure: Regenerate.
7101 2001-03-16 Zack Weinberg <zackw@stanford.edu>
7103 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
7104 handles the gory details of converting an object file into
7105 something that's safe to grep.
7106 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
7107 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
7108 newlines at either end of the string we're looking for.
7109 Make 'checking ...' message less stilted.
7110 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
7111 ARM in-memory layout and its hypothetical converse. Don't
7112 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
7113 HOST_WORDS_BIG_ENDIAN.
7115 * configure.in: Adjust for renamed macro. Move
7116 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
7117 * configure, config.in: Regenerate.
7119 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
7121 * fixinc/Makefile.in: Set SHELL.
7123 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
7125 * fixinc/fixincl.c (fix_with_system): Quote file names before
7126 passing them to shell.
7128 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
7130 * Makefile.in: Use fix-header$(build_exeext) instead
7133 2001-03-16 Richard Henderson <rth@redhat.com>
7135 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
7136 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
7137 (size_of_line_prolog): Remove.
7138 (output_line_info): Compute prologue size via label difference.
7139 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
7141 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
7142 assembler error when redefining file numbers.
7143 * config.in, configure: Rebuild.
7145 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
7146 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
7147 (dw2_asm_output_delta_uleb128): Likewise.
7148 (dw2_asm_output_delta_sleb128): Similarly.
7149 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
7151 2001-03-16 Michael Meissner <meissner@redhat.com>
7153 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
7155 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
7157 (BITMASK_LOWER16): Replacement for 0x0000ffff.
7159 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
7160 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
7161 being unsigned in ISO C and signed in traditional.
7162 (expand_prologue): Ditto.
7163 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
7165 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
7167 (divsi3,divdi3): Ditto.
7168 (modsi3,moddi3): Ditto.
7169 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
7170 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
7171 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
7174 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
7176 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
7177 SSE based conditional moves on LTGT/UNEQ conditions;
7178 Canonicalize EQ to NE.
7179 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
7180 (sse_mov?fcc_ne): New.
7182 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
7184 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
7186 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
7187 register may be dead.
7189 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
7191 * Makefile.in (hash.o): Depend on CONFIG_H.
7193 2001-03-15 Mark Mitchell <mark@codesourcery.com>
7195 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
7197 2001-03-15 Richard Henderson <rth@redhat.com>
7199 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
7200 (ASM_OUTPUT_DWARF_PCREL): New.
7201 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
7203 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
7205 * cppfiles.c (stack_include_file): Use MAX of sysp.
7207 2001-03-15 Steve Ellcey <sje@cup.hp.com>
7209 * config.gcc (ia64*-*-hpux*): New case.
7210 * config/ia64/hpux.h: New file for HP-UX support.
7211 * config/ia64/t-hpux: New file for HP-UX support.
7213 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
7215 * fixinc/inclhack.def (irix_stdio_va_list): New.
7216 * fixinc/fixincl.x: Rebuilt.
7218 2001-03-15 Richard Henderson <rth@redhat.com>
7220 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
7221 if provided by the target.
7222 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
7223 (dw2_asm_output_addr): New.
7224 * dwarf2asm.h (dw2_asm_output_addr): Declare.
7225 * dwarf2out.c (output_cfi): Use it for program addresses.
7226 (output_call_frame_info, output_die): Likewise.
7227 (output_aranges, output_line_info): Likewise.
7229 2001-03-15 Bruce Korb <bkorb@gnu.org>
7231 * gcc.c(main): make more rigorous
7232 * collect2.c(main): guard against ignoring SIGCHLD
7233 * protoize.c(main): ditto
7234 * gcc/fixinc/fixincl.c(initialize): ditto
7236 2001-03-15 Mark Mitchell <mark@codesourcery.com>
7238 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
7239 (sdbout_parms): Likewise.
7241 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
7243 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
7244 "widen" a destination that is already wider than a word. Also do
7245 not widen if LOAD_EXTEND_OP is NIL for the given mode.
7247 2001-03-15 Bernd Schmidt <bernds@redhat.com>
7249 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
7251 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
7253 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
7255 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
7257 * i960.h (i960_maxbitalignment,
7258 i960_last_maxbitalignment): Declare.
7259 * i960.c (i960_maxbitalignment,
7260 i960_last_maxbitalignment): Make global.
7261 (process_pragma): Delete.
7262 (i960_pr_align, i960_pr_noalign): Move from here ...
7263 * i960-c.c: ... to this new file.
7264 * t-960bare (i960-c.o): New rule.
7265 * t-vxworks960 (i960-c.o): Likewise.
7266 * config.gcc (i960-*-*): Define c_target_objs and
7269 2001-03-15 Bernd Schmidt <bernds@redhat.com>
7271 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
7272 without adding in rtx code and mode.
7274 * alias.c (init_alias_analysis): Don't use any rtx whose value
7275 varies as a known value.
7276 Delete a superfluous test.
7278 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
7280 (ia64_sched_reorder): Call maybe_rotate; also rotate after
7281 scheduling a stop bit.
7282 (ia64_emit_nops): Correctly handle ASMs.
7284 2001-03-15 Mark Mitchell <mark@codesourcery.com>
7286 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
7288 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
7290 * cpp.texi: Update documentation for -include and -imacros.
7291 * cppfiles.c (struct include_file): Remove "defined" memeber.
7292 (find_or_create_entry): Make a copy of the file name, and
7294 (open_file): Update to ensure we use the simplified filename.
7295 (stack_include_file): Don't set search_from.
7296 (cpp_included): Don't simplify the path name here.
7297 (find_include_file): New prototype. Call search_from to
7298 get the start of the "" include chain. Don't simplify the
7300 (_cpp_execute_include): New prototype. Move diagnostics to
7301 do_include_common. Update.
7302 (_cpp_pop_file_buffer): Don't set defined.
7303 (search_from): New prototype. Use the preprocessor's cwd
7304 for files included from the command line.
7305 (read_name_map): Don't simplify the pathname here.
7306 * cpphash.h (enum include_type): New.
7307 (struct buffer): Delete search from. New search_cached.
7308 (_cpp_execute_include): Update prototype.
7309 * cppinit.c (do_includes): Use _cpp_execute_include.
7310 * cpplib.c (do_include_common): New function.
7311 (do_include, do_include_next, do_import): Use it.
7313 2001-03-14 Mark Mitchell <mark@codesourcery.com>
7315 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
7316 contents of the RTL, to determine the name of the object.
7318 2001-03-14 Mark Mitchell <mark@codesourcery.com>
7320 * tree.h (DECL_RTL): Allocate RTL lazily.
7321 (SET_DECL_RTL): New macro.
7322 (DECL_RTL_SET_P): Likewise.
7323 (COPY_DECL_RTL): Likewise.
7324 (DECL_RTL_IF_SET): Likewise.
7325 * varasm.c (make_decl_rtl): Add assertions about the kind of
7326 declaration we are processing.
7327 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
7328 (start_decl): Likewise.
7329 (finish_decl): Likewise.
7330 * c-semantics.c (emit_local_var): Likewise.
7331 * calls.c (expand_call): Likewise.
7332 * dbxout.c (dbxout_symbol): Likewise.
7333 * emit-rtl.c (unshare_all_rtl): Likewise.
7334 (unshare_all_decls): Likewise.
7335 (reset_used_decls): Likewise.
7336 * expr.c (store_constructor): Likewise.
7337 (safe_from_p): Likewise.
7338 (expand_expr): Likewise.
7339 * function.c (put_var_into_stack): Likewise.
7340 (instantiate_decls_1): Likewise.
7341 (assign_parms): Likewise.
7342 (expand_function_start): Likewise.
7343 (expand_function_end): Likewise.
7344 * ggc-common.c (gcc_mark_trees): Likewise.
7345 * integrate.c (function_cannot_inline_p): Likewise.
7346 (copy_decl_for_inlining): Likewise.
7347 (expand_inline_function): Likewise.
7348 (integrate_parm_decls): Likewise.
7349 (integrate_decl_tree): Likewise.
7350 * print-tree.c (print_node): Likewise.
7351 * reg-stack.c (stack_result): Likewise.
7352 * stmt.c (label_rtx): Likewise.
7353 (expand_return): Likewise.
7354 (expand_decl): Likewise.
7355 (expand_decl_cleanup): Likewise.
7356 (expand_anon_union_decl): Likewise.
7357 * toplev.c (check_global_declarations): Likewise.
7358 (rest_of_decl_compilation): Likewise.
7359 * tree.c (simple_cst_equal): Likewise.
7360 * objc/objc-act.c (generate_static_references): Likewise.
7362 2001-03-14 Zack Weinberg <zackw@stanford.edu>
7364 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
7365 gcc_AC_C_FLOAT_FORMAT): New macros.
7366 * configure.in: Add AC_PROG_CPP after CC tests;
7367 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
7368 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
7369 * configure, config.in: Regenerate.
7371 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
7372 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
7373 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
7374 config/i370/xm-linux.h, config/i370/xm-oe.h,
7375 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
7376 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
7377 config/pa/xm-linux.h, config/pa/xm-pa.h,
7378 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
7379 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
7380 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
7381 config/we32k/xm-we32k.h: Delete.
7383 * config/i370/xm-mvs.h, config/m88k/m88k.h,
7384 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
7385 config/vax/xm-vms.h: Don't define any of:
7386 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
7388 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
7390 * config.gcc: Remove references to deleted files.
7391 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
7392 FATAL_EXIT_CODE, which is the same between oe and mvs).
7394 2001-03-14 DJ Delorie <dj@redhat.com>
7395 Vladimir Makarov <vmakarov@redhat.com>
7397 * config/i960/i960.c (i960_function_prologue): Compute size of
7398 frame according to number of registers actually saved there.
7400 2001-03-14 Richard Henderson <rth@redhat.com>
7402 * expr.c (emit_move_insn_1): Fix else if around #endif.
7404 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
7407 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
7410 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
7412 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
7413 (override_options): Parse cmodel string.
7414 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
7415 * i386.h (TARGET_OPTIONS): Add "cmodel".
7416 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
7418 (ix86_cmodel_string, ix86_cmodel): Declare.
7420 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
7423 * i386.h (GENERAL_REG_P): Add missing REG_P.
7425 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
7427 * configure.in: Use $gcc_cv_as instead of $as.
7428 * configure: Regenerated.
7430 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
7432 * cppfiles.c (stack_include_file): Only increase the include
7433 count if we actually process the file properly, as opposed
7434 to treating it as length zero. Only call read_include_file
7435 if not DO_NOT_REREAD. Handle the -H include file output
7437 (read_include_file): Remove now redundant DO_NOT_REREAD check.
7438 (cpp_included, find_include_file): Simplify pathnames after
7439 remapping them. If remapping, don't use the remapped file
7440 name's buffer as our scratch buffer.
7441 (cpp_pop_file_buffer): Replace the multiple include macro
7442 only if it isn't yet set.
7443 (read_name_map): Simplify remapped names when reading in.
7444 (remap_filename): Move code to code path that uses it.
7445 (_cpp_simplify_pathname): Return the input pointer.
7446 * cpphash.h (_cpp_simplify_pathname): Update prototype.
7448 2001-03-14 Mark Mitchell <mark@codesourcery.com>
7450 * expr.c (expand_expr): Revove bogus conditional.
7452 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
7454 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
7456 2001-03-14 Jakub Jelinek <jakub@redhat.com>
7458 * reg-stack.c (stack_result): Unconditionally use
7459 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
7461 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
7463 * expr.c (emit_move_insn_1): Split push of complex value when
7464 no suitable push instruction exist.
7466 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
7467 instead of QI_REG_P.
7469 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7471 * alias.c (handled_component_p, can_address_p): New functions.
7472 (get_alias_set): Use them.
7474 2001-03-13 Jim Wilson <wilson@redhat.com>
7476 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
7477 from 80 in try_locals code.
7478 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
7480 2001-03-13 Zack Weinberg <zackw@stanford.edu>
7482 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
7483 gcc_AC_C_LONG_LONG): New.
7484 * configure.in: Use them. Probe the size of short, int, long,
7485 and long long/__int64 if we have them. Move all the AC_C_*
7486 checks together, except gcc_AC_C_CHAR_BIT which has to go
7487 after AC_CHECK_HEADERS(limits.h).
7488 Take hwint.h out of host_xm_file and build_xm_file.
7490 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
7491 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
7492 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
7493 Move the HOST_WIDEST_INT setup logic here from system.h.
7494 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
7496 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
7497 is now handled by hwint.h.
7499 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
7500 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
7501 config/ia64/xm-ia64.h: Don't define any of:
7502 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
7503 HOST_BITS_PER_LONGLONG.
7505 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
7506 config/h8300/xm-h8300.h, config/mips/iris6.h,
7507 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
7508 config/sparc/xm-sp64.h: Delete.
7509 * config.gcc: Remove references to deleted files.
7511 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
7512 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
7513 * config/i370/xm-linux.h: Clarify floating-point situation in
7516 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
7518 * cppfiles.c (NO_INCLUDE_PATH): New macro.
7519 (find_include_file): Decide here which part of the include
7520 chain to start the search. Complain about an empty include
7521 chain in all cases apart from an abolsute file name.
7522 (_cpp_execute_include): Don't choose the search chain here.
7523 Don't call handle_missing_include in the case of an empty
7525 (_cpp_compare_file_date): Don't choose the search chain here.
7526 * cpplib.c (do_include_next): Move the in-main-file diagnostic
7527 here from _cpp_execute_include. Behave like #include if
7528 we're in the main file.
7530 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7532 * system.h (malloc, realloc, calloc, strdup): Only poison these
7533 tokens when IN_GCC is defined.
7535 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
7537 * i386.md (abs?f expander): Support SSE case.
7538 (abd?f_if): Add new "USE"; add splitters.
7540 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7542 * cpp.texi (poison): Explain the macro expansion exception.
7544 2001-03-13 Jakub Jelinek <jakub@redhat.com>
7546 * expr.c (store_expr): Add dont_store_target. If temp is already in
7547 target before copying to reg, don't store it into target again.
7549 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
7551 * cppinternals.texi: Update for file handling.
7553 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
7555 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
7556 2001-02-24 which broke building the Java library.
7557 * function.c (identify_blocks): Likewise.
7558 (all_blocks): Likewise.
7559 * integrate.c (integrate_decl_tree): Likewise.
7560 * print-tree.c (print_node): Likewise.
7561 * tree.h (BLOCK_NUMBER): Likewise.
7562 (struct tree_block): Likewise.
7564 2001-03-12 David Edelsohn <edelsohn@gnu.org>
7566 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
7567 __WCHAR_TYPE__ definition.
7568 (WCHAR_TYPE_SIZE): #undef before #define.
7570 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
7572 * cppfiles.c: Update comments.
7573 (destroy_include_file_node): Rename destroy_node.
7574 (find_or_create_entry): New function.
7575 (open_file, _cpp_fake_include): Use it.
7576 (handle_missing_header): New function, broken out of
7577 _cpp_execute include. Don't segfault if there is no
7578 system or quoted path.
7579 (_cpp_execute_include): Use handle_missing_header.
7581 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
7583 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
7584 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
7586 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7588 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
7589 unless anti_dependence says they are.
7590 * alias.c (objects_must_conflict): If neither has a type specified,
7593 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
7594 David Billinghurst <David.Billinghurst@riotinto.com>
7596 * config/mips/iris5.h: Change WCHAR_TYPE to int.
7598 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
7600 * i386.md (trunctfdf2_2): Rename missnamed pattern.
7601 (*_one_bit): Remove type on the match_operand in attributes.
7603 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
7605 * i386.c: Commit forgotten hunk in previous patch.
7606 (regclass_map): Add extended registers.
7607 (dbx_register_map): Add missing frame register.
7609 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
7611 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
7613 * i386.md (x86_sahf_1): Disable for 64bit.
7614 (popsi*, pophi*): Likewise.
7615 (pushqi, pushhi): Likewise.
7616 (movdi, pushdi): Likewise.
7617 (zero extend DImode splitter): Likewise.
7618 (adddi, minusdi splitter): Likewise.
7619 (umulsidi): Likewise.
7621 (mulsidi): Disable for 64bit
7622 (lshift:DI/ashift:DI): Disable for 64bit.
7623 (loop patterns): Likewise.
7624 (call_pop, call_value_pop expanders and patterns): Likewise.
7625 (prologue_get_pc): Likewise.
7627 (fcmovDI pattern and splitter): Likewise.
7628 (movdfcc_1_rex64): New.
7630 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
7632 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
7633 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
7634 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
7635 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
7636 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
7637 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
7638 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
7639 (PUSH_ROUNDING): x86_64 rounds to 64bits.
7640 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
7641 (REGPARM_MAX): Set to 6 for x86_64.
7642 (SSE_REGPARM_MAX): Set to 16 for x86_64.
7643 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
7646 * (patterns that does use upper halves): Update constraints
7647 'q' to 'Q' and 'r' to 'R'.
7648 (cmpqi_ext_1): Disable for 64bit.
7649 (cmpqi_ext_3_insn): Likewise.
7650 (movqi_extzv_1): Likewsie.
7651 (addqi_ext_1): Liekwsie
7652 (testqi_ext_1): Liekwsie
7653 (andqi_ext_1): Liekwsie
7654 (xorqi_ext_1): Liekwsie
7655 (cmpqi_ext_1_rex64): New.
7656 (cmpqi_ext_3_insn_rex64): Likewise.
7657 (movqi_extzv_1_rex64): Likewsie.
7658 (addqi_ext_1_rex64): Liekwsie
7659 (testqi_ext_1_rex64): Liekwsie
7660 (andqi_ext_1_rex64): Liekwsie
7661 (xorqi_ext_1_rex64): Liekwsie
7663 2001-03-11 Zack Weinberg <zackw@stanford.edu>
7665 * configure.in: Move check for unsigned enumerated bitfields
7666 to macro in aclocal.m4. Disable it for now.
7667 * configure, config.in: Regenerate.
7668 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
7669 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
7670 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
7671 kind above its first use.
7673 * config/xm-interix.h, config/alpha/xm-alpha.h,
7674 config/i370/xm-linux.h, config/i386/xm-beos.h,
7675 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
7676 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
7677 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
7678 Don't define ONLY_INT_FIELDS under any circumstances.
7680 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
7682 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
7683 config/sparc/xm-sysv4.h: Delete - now identical with some
7685 * config.gcc (hppa targets): Replace xm-pahpux.h and
7686 xm-papro.h with implicit xm-pa.h.
7687 (sparc targets): Replace xm-sysv4.h with implicit or explicit
7690 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
7692 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
7693 before reload_cse_noop_set_p.
7695 2001-03-11 Zack Weinberg <zackw@stanford.edu>
7697 * config.gcc: Where xm-host.h used to include another
7698 xm-host.h, list the nested header directly in xm_file. Remove
7699 references to deleted files. Can now use sparc/xm-sp64.h for
7702 * config/xm-linux.h, config/arm/xm-linux.h,
7703 config/i386/xm-dos.h, config/i386/xm-gnu.h,
7704 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
7705 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
7706 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
7707 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
7710 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
7711 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
7712 bother to wrap #undef in #ifdef.
7713 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
7714 Don't include xm-linux.h.
7715 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
7717 * configure.in: Wrap regexps using [] in changequote block.
7718 Use expr : not echo | grep. Simplify regexps.
7719 * configure: Regenerate.
7721 56 xm-files remain, 22 xm-arch.
7723 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7725 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
7726 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
7727 (local_index, local_rindex): Delete, use strchr/strrchr instead.
7728 (copy_object): Fix format specifier vs argument mismatch.
7730 * mips-tdump.c: Make local functions static.
7731 (rindex): Don't #undef.
7732 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
7733 (fatal, fancy_abort): Delete.
7734 (read_seek): Avoid signed/unsigned compare.
7736 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7738 * combine.c (try_combine): Fix error in change to try original
7740 (gen_rtx_combine): Do same as gen_rtx for now.
7742 2001-03-11 Zack Weinberg <zackw@stanford.edu>
7744 * configure.in: AC_SUBST xm_defines.
7745 * configure: Regenerate.
7746 * Makefile.in: Set DEFINES=$(xm_defines) when building
7749 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
7751 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
7752 (cpp_included, find_include_file): Update.
7753 (_cpp_compare_file_date): Make else unconditional.
7755 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
7757 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
7759 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
7761 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
7762 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
7764 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
7766 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
7767 if it's a record type.
7769 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
7771 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
7772 mingw includes slightly.
7774 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7776 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
7777 #undef token before poisoning it.
7779 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7781 * alpha.c (check_float_value): Use memcpy, not bcopy.
7783 * m32r.c (m32r_sched_reorder): Likewise.
7785 * vax.c (check_float_value): Likewise.
7787 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
7789 * toplev.c (file_name_nondirectory): Remove.
7790 * toplev.h: Similarly.
7791 * dwarf2out.c (compute_section_prefix): Use lbasename instead
7792 of file_name_nondirectory.
7794 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7796 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
7797 * mips-tfile.c: Don't #undef rindex; not used.
7799 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
7801 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
7802 (dbx64_register_map): Declare.
7803 (RETURN_ADDR_RTX): Fix for 64bit.
7804 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
7805 (INCOMING_FRAME_SP_OFFSET): Set to 8.
7806 * i386.c (dbx64_register_map): New global array.
7807 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
7808 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
7811 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
7813 * cppfiles.c (search_from): Use lbasename.
7814 * mkdeps.c (deps_add_default_target): Use lbasename.
7816 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7818 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
7819 xcalloc in lieu of malloc, realloc & calloc.
7821 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
7823 * gengenrtl.c (xmalloc): Likewise.
7825 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
7826 really_call_* memory allocation routines.
7828 * stmt.c (check_for_full_enumeration_handling): Use
7829 really_call_calloc, not calloc.
7831 * system.h (really_call_malloc, really_call_calloc,
7832 really_call_realloc): Define.
7833 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
7835 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
7837 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
7839 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
7841 * configure: Rebuilt.
7842 * configure.in: Only use `lang_requires' for languages athat are
7845 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
7847 * invoke.texi: Fix typo.
7848 * gcc.1: Regenerate.
7850 2001-03-09 Zack Weinberg <zackw@stanford.edu>
7852 * configure.in: Prune nonexistent files from build_xm_file,
7853 xm_file, and host_xm_file lists. Warn unless they're
7855 Don't generate *config.h here.
7856 AC_SUBST all variables needed to generate *config.h.
7857 * configure: Regenerate.
7858 * mkconfig.sh: New helper script, from code removed from
7860 * Makefile.in: Zap all MALLOC variables - no longer used
7861 anywhere, and malloc.c doesn't exist.
7862 Substitute in variables needed to generate *config.h.
7863 Stop lying about the dependencies contained in CONFIG_H and
7865 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
7866 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
7867 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
7868 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
7869 $(TM_P_H), etc. as appropriate.
7871 * config.gcc: Zap references to deleted files.
7872 * ggc-none.c: Don't include rtl.h or tm_p.h.
7874 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
7875 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
7876 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
7877 config/i386/xm-linux.h, config/i386/xm-linux.h,
7878 config/i386/xm-next.h, config/i386/xm-openbsd.h,
7879 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
7880 Don't include i386/xm-i386.h.
7882 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
7883 config/i386/xm-i386.h, config/i860/xm-i860.h,
7884 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
7885 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
7886 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
7887 Delete (empty except comments, #includes of other deleted
7888 files, and macros used nowhere).
7890 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
7892 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
7893 independent on TARGET_FLAGS.
7895 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
7897 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
7899 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
7901 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
7903 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
7904 LAST_REX_SSE_REG): define.
7905 (enum reg_class): Add 'LEGACY_REGS'
7906 (REG_CLASS_CONTENTS): Likewise; add extended registers.
7907 (SSE_REGNO_P): Recognize extended registers.
7908 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
7909 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
7910 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
7911 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
7912 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
7913 REG_OK_FOR_STRREG_P): Remove.
7914 (HI_REGISTER_NAMES): Add extended registers.
7915 (ADDITIONAL_REGISTER_NAMES): Likewise.
7916 (QI_REGISTER_NAMES): Add 8bit extended registers.
7917 (DEBUG_REG): Support extended registers.
7918 * i386.c (regclass_map): Add extended registers.
7919 (dbx_register-map): Likewise.
7920 (svr4_dbx_register_map): Likewise.
7921 (print_reg): Support extended registers.
7922 (print_operand): Support 64bit operands.
7924 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
7926 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
7927 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
7928 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
7929 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
7930 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
7931 STACK_BOUNDARY): Set properly for 64bits.
7932 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
7933 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
7934 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
7935 (MOVE_MAX): Set to 16.
7936 (MOVE_MAX_PIECES): 8 for 64bit.
7937 (Pmode): Set to SImode.
7939 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
7941 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
7943 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
7945 * i386.h (mask_64bit): New constant.
7946 (target_64bit): New macro.
7947 (target_options): Add '64'/'32'
7948 (target_default): Define.
7949 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
7950 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
7951 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
7953 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
7955 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
7957 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
7959 * rtlanal.c (rtx_varies_p): Check operand 0 of a
7960 LO_SUM unless for_alias is set.
7962 2001-03-08 Stan Shebs <shebs@apple.com>
7964 * objc/objc-act.c: Fix old typos in comments, add comments for
7966 (hash_init): Fix file name in error message.
7967 (hash_enter): Ditto.
7968 (hash_add_attr): Ditto.
7969 (continue_class): Ditto.
7971 2001-03-08 Bruce Korb <bkorb@gnu.org>
7973 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
7974 wait4() can receive the signal.
7976 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7978 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
7980 * fixinc/fixincl.x: Regenerate.
7982 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
7984 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
7986 * fixinc/fixincl.x: Regenerate.
7988 2001-03-08 Richard Henderson <rth@redhat.com>
7990 * configure.in (HAVE_AS_LEB128): New assembler check.
7991 * configure, config.in: Rebuilt.
7993 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
7995 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
7998 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8000 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
8001 references to the MAXPATHLEN macro.
8003 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
8004 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
8007 * config/i386/xm-gnu.h, config/xm-gnu.h,
8008 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
8009 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
8010 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
8011 and/or unused files.
8013 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
8014 doing so in various xm-*.h files.
8016 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8018 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
8020 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
8022 * configure.in (enable_shared): Support per-package shared-library
8024 * configure: Rebuilt.
8026 2001-03-07 David Edelsohn <edelsohn@gnu.org>
8028 * rs6000.md (cr logic): Add original POWER mnemonic alternative
8029 for crnot. Set operands[5] in splitter.
8031 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8033 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
8034 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
8035 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
8036 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
8037 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
8038 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
8039 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
8042 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
8043 config/i370/xm-i370.h, config/i386/xm-dgux.h,
8044 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
8045 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
8046 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
8047 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
8048 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
8049 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
8050 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
8051 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
8052 Delete unused and/or empty files.
8054 * config.gcc: Define USG in xm_defines as appropriate. Define
8055 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
8056 macro. Remove deleted xm-* files from $xm_files variable.
8058 2001-03-07 Tom Tromey <tromey@redhat.com>
8060 * configure: Rebuilt.
8061 * configure.in: Allow config-lang.in to set `lang_requires' to list
8062 of other required languages.
8064 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
8066 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
8068 (output_prologue): Use xmalloc not oballoc.
8069 (output_epilog): Free a29k_first_epilogue_insn when finished.
8070 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
8072 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
8074 * builtins.c (expand_builtin_mathfn): Check
8075 flag_unsafe_math_optimizations, not flag_fast_math.
8076 (expand_builtin): Likewise
8077 * combine.c (combine_simplify_rtx): Likewise.
8078 (simplify_if_then_else): Likewise.
8079 * cse.c (fold_rtx): Likewise.
8080 * flags.h: Remove flag_fast_math. Add
8081 flag_unsafe_math_optimizations and flag_trapping_math.
8082 * fold-const.c (negate_expr): Check
8083 flag_unsafe_math_optimizations, not flag_fast_math.
8084 (invert_truthvalue): Likewise.
8085 (fold): Likewise. Before associating operands, check that
8086 code == MULT_EXPR, not code != MULT_EXPR.
8087 * ifcvt.c (noce_try_minmax): Check
8088 flag_unsafe_math_optimizations, not flag_fast_math.
8089 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
8090 * invoke.texi: Document -funsafe-math-optimizations and
8091 -fno-trapping-math. Change documentation for -ffast-math.
8092 * jump.c (reversed_comparison_code_parts): Likewise.
8093 (rtx_equal_for_thread_p): Likewise.
8094 * optabs.c (emit_conditional_move): Likewise.
8095 * simplify-rtx.c (simplify_binary_operation): Likewise.
8096 (simplify_relational_operation): Likewise.
8097 (simplify_ternary_operation): Likewise.
8098 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
8099 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
8100 Add trapping-math and unsafe-math-optimizations entries to f_options.
8101 (set_fast_math_flags): New, sets flags for -ffast-math.
8102 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
8103 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
8104 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
8106 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
8107 (alpha_emit_conditional_move): Initialize local_fast_math to
8108 flag_unsafe_math_optimizations, not flat_fast_math.
8109 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
8110 instead of setting flag_fast_math to 1.
8111 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
8113 * config/i386/i386.c (override_options): Likewise
8114 * config/i386/i386.md: Likewise.
8115 * config/m68k/m68k.md: Likewise.
8116 * config/mips/mips.md: Likewise.
8117 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
8118 (rs6000_generate_compare): Likewise.
8120 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
8122 * Makefile.in: Set RANLIB to @RANLIB@.
8125 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
8127 * fixinc/inclhack.def (djgpp_wchar_h): New test.
8128 * fixinc/fixincl.x: Regenerated.
8130 2001-03-07 Richard Henderson <rth@redhat.com>
8132 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
8134 2001-03-07 Richard Henderson <rth@redhat.com>
8136 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
8137 of block notes and exception handling notes.
8139 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
8140 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
8141 (compile_file): ... here.
8143 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8145 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
8147 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
8148 config.h now. Include libiberty.h to handle alloca.
8150 2001-03-06 Zack Weinberg <zackw@stanford.edu>
8152 * c-parse.in (yylexname): New function, split out of _yylex.
8153 (objc_rid_sans_at): New table.
8154 (init_reswords): Initialize it.
8155 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
8156 retrieving the next token and checking it for significance as
8157 an ObjC keyword or string constant.
8159 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
8160 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
8162 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
8165 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
8167 * config/m68k/m68k.c (const_uint32_operand): Accept any
8168 const_int on a 32-bit host.
8170 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
8172 * objc/objc-act.c (init_objc): Set save_lang_status,
8173 restore_lang_status, and mark_lang_status.
8175 2001-03-06 Krister Walfridsson <cato@df.lth.se>
8177 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
8179 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
8181 * cppinternals.texi: Update.
8183 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8185 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
8186 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
8187 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
8188 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
8189 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
8190 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
8191 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
8192 config/i386/xm-i386.h, config/i860/xm-i860.h,
8193 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
8194 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
8195 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
8196 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
8197 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
8198 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
8199 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
8200 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
8201 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
8202 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8203 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
8204 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
8205 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
8206 match the defaults provided in hwint.h.
8208 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
8209 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
8211 * config.gcc (xm_file): Don't set to files which are deleted.
8213 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
8214 guard this file against these macros being undefined.
8216 2001-03-06 Zack Weinberg <zackw@stanford.edu>
8218 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
8219 and DECL_DEFER_OUTPUT on the decl we create, before calling
8220 rest_of_decl_compilation.
8222 2001-03-06 Zack Weinberg <zackw@stanford.edu>
8224 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
8226 * configure, config.in: Regenerate.
8227 * config.gcc: Remove references to deleted files.
8229 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
8230 genrecog.c, rtl.c: Do not use alloca anywhere.
8232 * Makefile.in, build-make, system.h, config/x-interix,
8233 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
8234 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
8235 config/arc/xm-arc.h, config/arm/xm-arm.h,
8236 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
8237 config/h8300/xm-h8300.h, config/i370/x-oe,
8238 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
8239 config/i386/x-ncr3000, config/i386/x-sco5,
8240 config/i386/xm-dgux.h, config/i860/x-sysv4,
8241 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
8242 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
8243 config/m68k/x-hp320g, config/m69k/x-mot3300,
8244 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
8245 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
8246 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
8247 config/m88k/x-sysv4, config/m88k/x-tekXD88,
8248 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
8249 config/mips/x-iris, config/mips/x-iris3,
8250 config/mips/x-sni-svr4, config/mips/x-sysv,
8251 config/mips/xm-iris6.h, config/mips/xm-mips.h,
8252 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
8253 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
8254 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
8255 config/pa/xm-papro.h, config/romp/xm-romp.h,
8256 config/rs6000/x-aix31, config/rs6000/x-aix41,
8257 config/rs6000/x-beos, config/rs6000/x-lynx,
8258 config/rs6000/x-mach, config/rs6000/x-rs6000,
8259 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
8260 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8261 config/sparc/x-sysv4, config/sparc/xm-linux.h,
8262 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
8263 config/vax/xm-vms.h: Eradicate all references to alloca and
8266 * config/xm-alloca.h, config/clipper/x-clix,
8267 config/i386/xm-sysv4.h, config/i860/x-fx2800,
8268 config/i860/x-sysv3, config/m88k/x-sysv3,
8269 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
8270 (contained only alloca related hacks).
8272 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
8275 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
8277 * invoke.texi: Document __FAST_MATH__.
8279 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8281 * crtstuff.c: Restore include of auto-host.h.
8283 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
8285 Put main() in a separate file, so that the language
8286 front-end can use a different main().
8289 * toplev.c: (main): Rename as toplev_main.
8290 * toplev.h: Declare toplev_main.
8291 * Makefile.in (OBJS): add toplev.o.
8292 (BACKEND): remove toplev.o, add main.o.
8294 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
8296 * cppfiles.c (search_from): Special case the empty string.
8298 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
8300 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
8301 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
8302 strlen or strcpy; we already know the length.
8303 (_cpp_compare_file_date): Similarly.
8304 * cpphash.h (struct cpp_reader): Delete done_initialising.
8305 (CPP_PREV_BUFFER): Delete.
8306 * cppinit.c (cpp_start_read): Don't set done_initialising.
8307 * cpplex.c (parse_string): Guarantee null-termination.
8308 (_cpp_equiv_toklists): Remove.
8309 * cpplib.c (glue_header_name): Null-terminate.
8310 (do_line): Don't leak memory.
8311 * cpplib.h (BT_WEAK): Delete.
8312 * cppmain.c (cb_ident): Strings are now null-terminated.
8314 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
8316 * gcc.c (convert_filename): Append executable suffix
8317 if NO_AUTO_EXE_SUFFIX is not defined.
8318 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
8319 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
8321 2001-03-03 David O'Brien <obrien@FreeBSD.org>
8323 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
8324 * c-parse.gperf, c-gperf.h: Delete.
8325 (c-gperf.h was accidently re-added to the CVS repo in the rev
8326 1.16 commit by tromey)
8328 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
8330 * cpplex.c (_cpp_lex_token): Don't warn about directives in
8331 macro arguments when looking for the '('.
8332 * cppmacro.c (funlike_invocation_p): Set parsing_args to
8333 2 when really parsing arguments; 1 when looking for '('.
8334 Always restore the lexer position.
8336 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
8338 * longlong.h (umul_ppmm): Don't use a multiline string.
8340 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
8342 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
8343 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
8344 t_bool in declaration because pcc can't combine volatile with typedef
8347 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
8349 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
8350 until when it is really needed.
8351 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
8352 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
8353 * i386.md (float?i?f splitter): Don't force source operand to memory
8355 (sse_movdfcc): Fix constraint.
8356 (sse_movdfcc splitter): Handle properly the second alternative.
8358 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
8360 * cpplex.c (parse_string): Unconditionally pedwarn.
8362 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
8365 * cppexp.c (parse_number): Update.
8366 * cpplex.c (parse_string): Pedwarn if multiline string does not
8367 result from a system header's macro.
8368 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
8369 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
8370 for function-like macros too.
8371 * c-lex.c (lex_number): Update.
8373 2001-03-03 Richard Henderson <rth@redhat.com>
8375 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
8377 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
8379 * combine.c (try_combine): If split with mode-changed scratch
8380 register didn't work, try the original mode.
8382 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
8384 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
8385 * config/c4x/c4x.h: Likewise.
8386 * stor-layout.c (compute_record_mode): Likewise.
8387 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
8389 2001-03-02 Zack Weinberg <zackw@stanford.edu>
8391 * configure.in: Kill tm.h. Include the files in the $tm_file
8392 list in all three of config.h, hconfig.h, tconfig.h, after the
8393 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
8394 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
8395 * configure: Regenerate.
8396 * Makefile.in (clean): Don't delete tm.h.
8398 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
8399 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
8400 those are not defined, set SEC and FEC to 0 and 1.
8401 * gcc.texi: Update to match.
8403 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
8404 * config/fp-bit.c, config/m68k/aux-crt2.asm,
8405 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
8406 Include tconfig.h, not tm.h.
8408 * config/xm-lynx.h, config/xm-std32.h,
8409 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
8410 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
8411 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
8412 config/clipper/xm-clix.h, config/convex/xm-convex.h,
8413 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
8414 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
8415 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
8416 config/i386/xm-i386.h, config/i860/xm-i860.h,
8417 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
8418 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
8419 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
8420 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
8421 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
8422 config/pa/xm-linux.h, config/pa/xm-pa.h,
8423 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
8424 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
8425 config/pj/xm-pj.h, config/romp/xm-romp.h,
8426 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
8427 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8428 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
8429 config/v850/xm-v850.h, config/vax/xm-vax.h,
8430 config/we32k/xm-we32k.h:
8432 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
8434 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
8435 config/i370/xm-oe.h: Don't include tm.h. Don't define
8437 * config/vax/xm-vms.h: Don't include tm.h.
8439 * config/xm-lynx.h, config/avr/xm-avr.h,
8440 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
8441 Delete; made empty by above changes.
8442 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
8443 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
8444 Don't include config/xm-lynx.h or tm.h.
8446 * config/xm-gnu.h: Don't include fcntl.h.
8447 * config/sparc/xm-lynx.h: Don't include sys/types.h and
8449 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
8451 2001-03-02 Richard Henderson <rth@redhat.com>
8453 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
8454 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
8456 2001-03-02 Richard Henderson <rth@redhat.com>
8458 * Makefile.in (OBJS): Add dwarf2asm.o.
8459 * dwarf2asm.c, dwarf2asm.h: New files.
8460 * dwarf2out.c (*): Use them.
8461 (size_of_uleb128, size_of_sleb128): Remove.
8462 (output_uleb128, output_sleb128): Remove.
8463 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
8464 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
8465 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
8466 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
8467 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
8468 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
8469 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
8470 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
8471 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
8472 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
8473 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
8474 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
8475 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
8476 (dwarf2out_frame_debug): Remove unused variables.
8477 (output_loc_operands): Don't abort on 8 byte constants if
8478 host integers are wide enough.
8479 (output_symbolic_ref): Remove.
8480 (size_of_die): Don't assume 4 byte host integers.
8481 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
8483 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
8484 something stupid with HOST_WIDE_INT to long truncation.
8485 [CONST_DOUBLE]: Likewise.
8487 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
8488 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
8489 * config/arm/unknown-elf.h: Likewise.
8490 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
8491 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
8492 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
8493 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
8494 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
8495 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
8496 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
8497 (ASM_OUTPUT_DWARF_OFFSET): Remove.
8498 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
8499 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
8500 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
8501 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
8503 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
8505 * cselib.c (hash_rtx): Cast enums to unsigned int.
8507 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
8509 * print-rtl.c (print_rtx): Cast enums to int for comparison.
8510 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
8512 * c-format.c (C_STD_VER): Cast to int for comparisons.
8513 (check_function_format): Cast various enums to int for &.
8514 (maybe_read_dollar_number): Likewise.
8515 (check_format_info): Likewise.
8516 (check_format_info_main): Likewise.
8517 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
8518 (safe_from_p): Likewise.
8519 * varasm.c (const_hash): Cast enum to int for %.
8520 * emit-rtl.c (init_emit_once): Use int loop variable to work around
8521 pcc enum problems with < and ++ operators.
8522 * regclass.c (init_reg_sets_1): Cast enums for comparison.
8523 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
8524 (regclass_init): Change enum class to int to iterate over reg_classes.
8525 * genrecog.c (merge_trees): Cast enums for comparison.
8526 * rtl.h (GET_CODE): Cast to enum rtx_code.
8527 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
8528 (GET_MODE): Cast to enum machine_mode.
8529 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
8530 (GET_NOTE_INSN_NAME): Cast enum to int.
8531 * tree.h (TREE_CODE): Cast to enum tree_code.
8532 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
8533 * timevar.c (timevar_print): Change loop variable id from enum to
8535 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
8536 * config/i386/i386.md: Use PUT_MODE for mode assignment.
8537 * toplev.c (compile_file): Cast enum DFI to int.
8538 (decode_d_option): Likewise.
8540 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
8542 * cppinit.c (append_include_chain): Mark "after" include file name list
8543 as a system directory.
8544 * cpp.texi: Document new behavior.
8546 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
8548 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
8550 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
8552 * cppfiles.c (struct include_file): Update.
8553 (stack_include_file): Use search_from.
8554 (cpp_included, find_include_file): Update.
8555 (cpp_execute_include): Update. ptr->name may not be
8556 null terminated. Use the new search_from member variable
8558 (_cpp_compare_file_date): Similarly.
8559 (search_from): New function, similiar to actual_directory.
8560 (actual_directory): Delete.
8561 (remap_filename): Update. loc->name may not be null terminated.
8562 (struct file_name_list): Rename search_path. Update.
8563 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
8564 search_from and dir.
8565 (struct cpp_reader): Remove actual_dirs.
8566 * cppinit.c (struct cpp_pending): Update for renamed objects.
8567 (append_include_chain, remove_dup_dir, remove_dup_dirs,
8568 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
8569 * cpplib.h (struct cpp_options): Similarly.
8571 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8573 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
8574 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
8575 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
8576 config/clipper/xm-clix.h, config/convex/xm-convex.h,
8577 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
8578 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
8579 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
8580 config/i370/xm-linux.h, config/i370/xm-mvs.h,
8581 config/i370/xm-oe.h, config/i386/xm-aix.h,
8582 config/i386/xm-i386.h, config/i386/xm-osf.h,
8583 config/i860/xm-i860.h, config/i960/xm-i960.h,
8584 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
8585 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
8586 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
8587 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
8588 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
8589 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
8590 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
8591 config/pj/xm-pj.h, config/romp/xm-romp.h,
8592 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
8593 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8594 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
8595 config/v850/xm-v850.h, config/vax/xm-vax.h,
8596 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
8597 Do not define TRUE or FALSE.
8599 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
8600 empty by above change.
8601 * config.gcc: Remove references to these files.
8603 * configure.in: Detect stdbool.h.
8604 * configure, config.in: Regenerate.
8605 * system.h: Include stddef.h here if available.
8606 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
8607 Then set up a sensible boolean type at the very end.
8609 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
8610 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
8612 * hash.h: Delete 'boolean' typedef and related #undefs.
8614 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
8615 all uses of 'boolean' with 'bool'.
8617 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
8619 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
8620 * cppexp.c (lex): Cast enums for comparison.
8621 * cppinit.c (parse_option): Cast enum for comparison.
8622 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
8623 (cpp_output_token): Likewise.
8624 (cpp_can_paste): Cast enums for comparsion and plus/minus.
8625 (cpp_avoid_paste): Cast enums for minus and comparison.
8627 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8629 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
8630 field to all array elements.
8632 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8634 * cpphash.h (struct cpp_reader): Add print_version field.
8635 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
8636 just set print_version and other flags as appropriate.
8637 (cpp_post_options): Print version here if print_version is set.
8639 * toplev.c (exit_after_options): New flag.
8640 (independent_decode_option): Don't exit here; just set
8642 (main): Exit after calling lang_hooks.post_options if
8643 exit_after_options is true.
8645 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
8646 (merge_include_chains): Adjust comment to match code.
8648 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8650 * stringpool.c (set_identifier): New function.
8651 * tree.h: Prototype it.
8653 * c-parse.in: Kill D_YES. If compiled for objc, call
8654 save_and_forget_protocol_qualifiers from init_reswords.
8655 * objc/objc-act.c (remember_protocol_qualifiers,
8656 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
8657 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
8659 (save_and_forget_protocol_qualifiers): New function.
8660 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
8662 2001-03-01 Diego Novillo <dnovillo@redhat.com>
8664 * c-semantics.c (prune_unused_decls): Return error_mark_node
8665 instead of (tree) 1 to stop traversing the tree chain.
8667 2001-03-01 Bernd Schmidt <bernds@redhat.com>
8669 Fix a problem introduced by Kenner's Feb 18 change.
8670 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
8671 flag_cse_skip_blocks only temporarily, not for ever.
8673 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
8675 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
8676 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
8678 * pa.c (emit_move_sequence): Verify operand0 is a hard register
8679 before determining its register class.
8681 2001-03-01 Bernd Schmidt <bernds@redhat.com>
8683 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
8684 from reg 4 if current_function_calls_setjmp.
8685 (gen_nop_type): New function.
8686 (ia64_emit_nops): New function.
8687 (ia64_reorg): Call it.
8688 (ia64_sched_reorder): Move code that rotates bundles up a bit.
8690 * reload1.c (eliminate_regs_in_insn): Restrict the special case
8691 code not to try to optimize adds with anything but a REG destination.
8693 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
8694 (INSN_PRIORITY_KNOWN): New accessor macro.
8695 * haifa-sched.c (priority): Use it instead of testing priority against
8698 2001-02-28 DJ Delorie <dj@redhat.com>
8700 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
8701 since that doesn't work the way gcc wants on a generic m68k.
8703 2001-02-28 Richard Henderson <rth@redhat.com>
8705 * caller-save.c (save_call_clobbered_regs): Fix typo in
8706 comparison last change.
8708 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
8710 * i386.c (pentium4_cost): New.
8711 (m_PENT4): New macro.
8712 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
8713 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
8714 x86_integer_DFmode_moves, x86_partial_reg_dependency,
8715 x86_memory_mismatch_stall): Add Pentium4
8716 (x86_use_q_reg, x86_use_any_reg): Kill.
8717 (override_options): Add pentium4.
8718 (incdec_operand): Return 0 for pentium4.
8719 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
8720 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
8721 (TARGET_PENTIUM4): Define.
8722 (enum processor_type): Add PROCESSOR_PENTIUM4.
8723 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
8724 * i386.md (attribute "cpu"): Add pentium4.
8725 * invoke.texi (march): Add pentium4.
8727 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
8729 * i386.md (sse_mov?fcc*): New patterns and splitters.
8730 * i386.c (ix86_expand_movcc): Work post-reload; recognize
8731 the SSE based conditional moves.
8733 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
8735 * i386.md (attribute mode): Add "TI".
8736 (movsf_1): Add pxor support; remove constant propagation splitter.
8737 (movdf_integer): Likewise.
8738 (movdf_nointeger): Likewise.
8739 (movxf constant prop splitter): Handle all modes; update for SSE.
8740 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
8741 * i386.c (standard_80387_constant_p): Rewrite.
8742 (standard_sse_constant_p): New.
8743 * i386-protos.h (standard_sse_constant_p): New.
8745 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
8747 * i386.md (sse_setccsf, sse_setccdf): New.
8748 (sse_cmp* patterns): Use '%D' instead of outputtting condition
8750 * i386.c (sse_comparison_operator): Accept the supported unordered
8751 comparses; be ready for fast_math.
8752 (print_operand): Support 'D'.
8754 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
8756 * jump.c (reversed_comparison_code): Kill.
8758 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
8760 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
8763 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
8765 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
8766 add missing '%' in constraints.
8768 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
8770 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
8771 for HOST_BITS_PER_WIDE_INT == 32 too.
8773 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
8775 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
8777 (insert_save, insert_restore): New parameter save_mode.
8778 (init_caller_save): Update initialization of reg_save_code
8779 and reg_restore_code.
8780 (save_call_clobbered_regs): Compute save_modes and update calls to
8781 reg_save_code and reg_restore_code.
8782 (insert_restore): Unsignetize numbers; use save_modes to choose mode
8783 of spill; update use of reg_restore_code.
8784 (insert_save): Likewise.
8785 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
8786 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
8787 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
8789 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
8791 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
8792 noce_try_store_flag_inc, noce_try_store_flag_mask,
8793 noce_try_cmove_arith):
8794 Use reversed_comparison_code instead of reverse_comparison and
8795 can_reverse_comparison_p.
8797 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
8799 * jump.c (reversed_comparison_code_parts): Allow reversal of
8800 unordered compares in -ffast-math mode; reverse ordered compares
8801 for FP even w/o -ffast-math.
8803 2001-02-27 Richard Henderson <rth@redhat.com>
8805 * print-rtl.c (print_rtx) [i]: Don't print field five on
8806 NOTEs other than NOTE_INSN_DELETED_LABEL.
8808 2001-02-27 Zack Weinberg <zackw@stanford.edu>
8810 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
8811 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
8813 2001-02-27 Diego Novillo <dnovillo@redhat.com>
8815 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
8816 even if walk_subtrees is 0.
8817 * c-semantics.c (prune_unused_decls): Return a non-null value to
8818 stop traversing the tree chain.
8820 2001-02-27 DJ Delorie <dj@redhat.com>
8822 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
8823 register, *then* define it as the new CFA.
8825 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
8827 * pa.c (override_options): Promote -fpic to -fPIC.
8828 (legitimize_pic_address): Simplify due to removal of
8829 small PIC as a code generation option.
8830 (secondary_reload_class): Similarly.
8831 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
8832 (PRINT_OPERAND_ADDRESS): Similarly.
8833 * pa.md (various patterns): Similarly.
8834 (small pic lo_sum pattern): Remove.
8836 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
8839 * md.texi (min, max): Document
8841 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
8843 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
8844 TARGET_PARTIAL_REG_DEPENDENCY.
8845 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
8847 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
8849 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
8851 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
8853 * mips.c (mips_make_temp_file): Fix thinko in last change.
8855 2001-02-26 Jason Eckhardt <jle@redhat.com>
8857 * combine.c (known_cond): Do not reverse the condition when
8858 SMAX/UMAX is being considered and the condition is for equality
8861 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
8863 2001-02-26 Philip Blundell <philb@gnu.org>
8865 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
8867 * config/arm/linux-elf.h: Remove historical relics related to
8868 above configurations.
8869 * config/arm/linux-oldld.h: Delete.
8870 * config/arm/linux-elf26.h: Delete.
8872 2001-02-26 Jason Merrill <jason@redhat.com>
8874 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
8876 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
8877 recognize a tentative definition. Lose obsolete code.
8879 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
8880 variables unless necessary, either.
8882 2001-02-25 Richard Henderson <rth@redhat.com>
8884 * ifcvt.c (struct noce_if_info): Add test_bb.
8885 (noce_get_alt_condition): New.
8886 (noce_try_minmax, noce_try_abs): New.
8887 (noce_operand_ok): New.
8888 (noce_process_if_block): Use them.
8889 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
8891 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
8893 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
8896 2001-02-25 Zack Weinberg <zackw@stanford.edu>
8898 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
8899 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
8901 (mips_asm_file_end): Free temp_filename here.
8903 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8905 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
8906 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
8908 * config/i386/i386.md (movstrsi): Handle FAIL case.
8910 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
8912 * cppinit.c (builtin_array): Update.
8913 (init_builtins): Flag builtins to warn if redefined or
8914 undefined. Define __GXX_WEAK as a normal macro.
8915 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
8916 * cpplib.h (NODE_WARN): New flag.
8917 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
8918 Handle __STDC__ as a builtin only on Solaris.
8919 (warn_of_redefinition): Renamed from check_macro_definition.
8920 Reverse sense of test. Always warn if NODE_WARN.
8921 (_cpp_create_definition): Use warn_of_redefinition. Flag
8922 any macro beginning with "__STDC_" to require a mandatory
8923 warning if redefined or undefined.
8925 2001-02-24 Zack Weinberg <zackw@stanford.edu>
8927 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
8928 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
8929 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
8930 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
8931 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
8932 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
8933 Don't define any of:
8934 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
8935 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
8936 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
8937 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
8938 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
8940 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
8941 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
8944 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
8945 Delete now-empty file.
8947 * alpha/vms.h: Define NEED_ATEXIT here...
8948 * alpha/xm-vms.h: ...not here.
8950 * i386/cygwin.h: Don't define PARAMS.
8951 * mips/mips.c: Don't prototype mktemp. Don't define
8952 P_tmpdir. Use make_temp_file to create temporary files.
8953 Don't be clever and delete temporary files early.
8954 * config.gcc: Drop references to deleted files. Don't define
8956 * gcc.texi: Don't mention USE_PROTOTYPES.
8958 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8960 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
8961 (ix86_set_move_mem_attrs_1): Likewise.
8962 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
8963 * config/i386/i386.md (movstrsi): Call it.
8965 2001-02-24 Zack Weinberg <zackw@stanford.edu>
8967 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
8968 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
8969 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
8970 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
8972 (i750a-*-*): Error here if hosting on i750a.
8973 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
8975 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
8976 Remove (empty modulo comments).
8978 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
8979 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
8980 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
8981 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
8982 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
8983 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
8985 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
8986 Remove reference to winnt.h in comment.
8987 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
8989 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8991 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
8992 used to set another biv.
8994 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8996 * tree.h (BLOCK_DEAD): New macro.
8997 (struct tree_block): New flag, dead_flag.
8998 * print-tree.c (print_node, case 'b'): Print missing fields.
8999 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
9000 * function.c (identify_blocks): Enable test for misplaced notes.
9001 (all_blocks): Skip BLOCK_DEAD blocks.
9002 * integrate.c (integrate_decl_tree): Likewise.
9004 * errors.c (internal_error, trim_filename): New functions.
9005 (fancy_abort): Call internal_error.
9006 * errors.h (internal_error, trim_filename): New declarations.
9008 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
9010 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
9012 (EXTRA_CONSTRAINT): Formatting changes.
9014 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9016 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
9018 2001-02-23 Per Bothner <per@bothner.com>
9020 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
9021 so they can be called from java/jvspec.c.
9022 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
9024 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
9026 * i386.c (ix86_frame): New structure.
9027 (ix86_compute_frame_size): Kill.
9028 (ix86_compute_frame_layout): New.
9029 (ix86_save_reg): New.
9030 (ix86_can_use_return_insn_p): Use frame layout stuff.
9031 (ix86_expand_prologue): Likewise.
9032 (ix86_expand_epilogue): Likewise.
9033 (ix86_initial_elimination_offset): Likewise.
9034 (ix86_nsaved_regs): Use ix86_save_reg.
9035 (ix86_emit_save_regs): Likewise.
9037 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
9039 * flow.c (find_sub_basic_blocks): New function.
9040 (split_block): Be ready for basic block introduced by CODE_LABEL.
9041 (commit_one_edge_insertion): Call find_sub_basic_block.
9043 * flow.c (make_edges): Add edge from entry for blocks starting with
9044 label having ALTERNATE_NAME
9046 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
9048 * function.c (epilogue_done): Be ready for first basic block not
9049 containing PROLOGUE_END note.
9050 (reposition_prologue_and_epilogue_notes): Avoid placing
9051 PROLOGUE_END note between BASIC_BLOCK.
9053 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
9055 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
9057 2001-02-21 DJ Delorie <dj@redhat.com>
9059 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
9060 check for current_function_has_nonlocal_goto from 1999-11-12.
9062 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9064 * diagnostic.c (trim_filename): No longer static.
9065 * toplev.h (trim_filename): Declare.
9066 * rtl.c (rtl_check_failed_bounds): Call internal_error.
9067 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
9068 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
9069 (rtvec_check_failed_bounds): Likewise.
9070 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
9072 * convert.c (convert_to_integer): Don't do unsigned unless result or
9073 both inputs are unsigned.
9075 * fold-const.c (fold_convert): Don't call size_int_type_wide if
9078 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
9080 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
9082 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
9084 * Makefile.in (resource.o): Add params.h dependence.
9085 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
9086 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
9087 * resource.c: Add dependence on params.h.
9088 (current_live_regs): Fix explanatory comment.
9089 (find_basic_block): Add new parameter to permit limiting search
9091 (mark_target_live_regs): Add new argument to find_basic_block call.
9092 (incr_ticks_for_insn): Likewise.
9094 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
9096 * diagnostic.c (output_to_stream): Rename to
9097 output_buffer_to_stream. Loses the stream parameter.
9098 (init_output_buffer): Set diagnosic_buffer's stream.
9099 (flush_diagnostic_buffer): Adjust.
9100 (default_print_error_function): Likewise.
9101 (finish_diagnostic): Likewise.
9102 (verbatim): Likewise.
9104 * diagnostic.h (struct output_buffer): Add `stream' field.
9105 (output_buffer_attached_stream): New macro.
9107 2001-02-23 Jakub Jelinek <jakub@redhat.com>
9109 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
9110 check if either operand is divisible by C.
9111 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
9112 If type is signed, consider negative numbers as well.
9114 2001-02-22 Richard Henderson <rth@redhat.com>
9116 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
9117 reach .text instead of gp-relative relocs.
9118 * config/ia64/crtend.asm (.init): Likewise.
9120 2001-02-22 Andreas Jaeger <aj@suse.de>
9122 * extend.texi (C++ Attributes): Fix typo.
9124 2001-02-21 David Mosberger <davidm@hpl.hp.com>
9126 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
9127 functions, drop current_function_args_info.words test.
9128 (ia64_compute_frame_size): Mark syscall_linkage functions as
9129 using eight input registers.
9131 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
9132 Bruce Korb <bkorb@gnu.org>
9134 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
9135 * fixinc/README: Document how to convert sed substitutions
9136 to format style c_fix-es.
9137 * fixinc/fixincl.x: regen
9139 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
9141 * gcc.c: Add comment explaining how to add a command-line option.
9142 Add title to specs language comment.
9144 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
9146 * gcc.c (cc1_options): Add "-param".
9147 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
9148 (option_map): Likewise.
9149 * toplev.c (display_help): Add entry for "--param".
9150 (independent_decode_option): Fix typographical error.
9152 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
9153 Bernd Schmidt <bernds@redhat.com>
9154 Jan Hubicka <jh@suse.cz>
9156 * i386.c (function_arg_advance): Pass SSE arguments in registers.
9157 (function_arg): Likewise.
9159 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
9161 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
9163 2001-02-21 Kazu Hirata <kazu@hxi.com>
9165 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
9169 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
9171 * flow.c (init_propagate_block_info): Canon address and use single_set
9172 for killing dead memory stores.
9174 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
9176 * Makefile.in (reorg.o): Add params.h dependence.
9177 * params.def: Fix typographical error in comment.
9178 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
9179 * params.h: Modify introductory comment.
9180 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
9181 * reorg.c: Add dependence on params.h.
9182 (redundant_insn): Add parameterized throttle for search.
9183 (fill_simple_delay_slots): Add a comment explaining a variable.
9184 Move conditional out of loop, simplifying code.
9185 (fill_eager_delay_slots): Fix typographical error in comment.
9187 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
9189 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
9191 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
9192 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
9194 2001-02-21 Jason Merrill <jason@redhat.com>
9196 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
9197 (struct tree_decl): Add uninlinable bitfield.
9198 * c-decl.c (duplicate_decls): Set it.
9199 * integrate.c (function_cannot_inline_p): Check it.
9201 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
9202 DW_AT_MIPS_linkage_name to abstract methods.
9203 (dwarf2out_abstract_function): Emit class context before calling
9204 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
9205 (gen_subprogram_die): Remove obsolete code.
9206 (gen_member_die): Don't include clones in the member list.
9207 (gen_decl_die): Emit abstract info for clone origin.
9208 * dwarfout.c (output_type): Don't include clones in the member list.
9209 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
9210 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
9211 DECL_ABSTRACT on a function that already has it set.
9213 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
9214 (get_subprogram_die): Pass it in.
9216 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
9218 * flow.c (mark_set_1): Make not_dead unsigned long. For
9219 non-pseudos, use it as a bitmask of the hard regs that
9222 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
9224 * cppfiles.c: Update comments.
9225 (_cpp_read_file): Don't check for NULL filenames any more.
9226 * cppinit.c (cpp_start_read): Don't do canonicalization of
9227 in_fname and out_fname. Use the passed file name exclusively.
9228 (_cpp_handle_options): Don't treat "-" as a command line option,
9229 but as a normal filename.
9230 (_cpp_post_options): Canonicalize in_fname and out_fname.
9231 * cppmain.c (printer_init): Don't check out_fname for NULL.
9232 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
9233 (init_c_lex): Update, and use "" to represent stdin to CPP.
9236 2001-02-20 Will Cohen <wcohen@redhat.com>
9238 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
9239 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
9240 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
9243 2001-02-20 Stan Shebs <shebs@apple.com>
9245 * config/rs6000/rs6000.c (output_cbranch): Output branches
9246 on separate lines instead of using ';' to separate.
9248 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
9250 * cppinit.c (set_lang): Move builtin handling to...
9251 (init_builtins): ...here.
9252 (_cpp_create_reader): Move call to set_lang.
9254 2001-02-20 Mark Mitchell <mark@codesourcery.com>
9256 * stmt.c (expand_return): If an attempt is made to return the
9257 error_mar_node, treat the return like a return without a value.
9259 2001-02-19 Zack Weinberg <zackw@stanford.edu>
9261 * sibcall.c (skip_copy_to_return_value): Call
9262 identify_call_return_value here, and return orig_insn if it
9263 returns zero. Hardret and softret arguments now unnecessary.
9264 (call_ends_block_p): Don't call identify_call_return_value here.
9266 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
9268 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
9269 * ggc.h (ggc_mark_if_gcable): Delete prototype.
9271 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
9273 * pa.c (move_operand): Accept code to load the address of a
9274 symbol out of the DLT as a valid move operand.
9275 (print_operand, case 'A'): New to handle generating a DLT
9276 reference for a LO_SUM expression.
9277 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
9278 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
9280 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
9282 * README, cpp.texi, gcc.texi, version.c: Update version number to
9284 * cpp.1, gcov.1, gcc.1: Regenerate.
9286 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
9288 * cppfiles.c (stack_include_file): Generate dependencies
9289 here, and manage include_count here too.
9290 (PRINT_THIS_DEP): Delete.
9291 (_cpp_execute_include): Do not generate dependencies here,
9292 apart from the case of a missing header. Do not manage
9294 (_cpp_read_file): Leave dependency generation to
9297 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
9299 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
9300 target_cpu_default. Remove dead assignment to
9303 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
9305 * regclass.c (contains_reg_of_mode): Make global.
9306 (init_reg_sets): Remove contains_reg_of_mode; take into account
9307 CLASS_MAX_NREGS when looking for the proper mode.
9308 (dump_regclass): Dump only classes considered for the pseudo.
9309 (regclass): Use contains_reg_of_mode.
9311 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
9313 * gcc.c (do_spec_1): 'n' for printing notices.
9314 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
9316 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
9318 * reg-stack.c (next_flags_user): Use current_block->end
9319 (swap_rtx_condition): Look for next user if flags don't die;
9320 give up on CALL_INSNs; use current_block->end.
9322 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9324 * sibcall.c (call_ends_block_p): New function.
9325 (optimize_sibling_and_tail_recursive_call): Use it.
9327 2001-02-18 Kazu Hirata <kazu@hxi.com>
9329 * config/h8300/h8300.md: Update copyright.
9330 (andsi3): Do not output an extra newline character.
9332 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9334 * toplev.c (note_deferral_of_defined_inlined_function): Argument
9335 FNDECL may be unused.
9337 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
9338 follow jumps after first run.
9339 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
9340 it doesn't change any jumps.
9342 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
9344 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
9345 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
9346 (mostlyclean): Corresponding changes.
9347 * rtlanal.c (hard-reg-set.h): Include.
9348 (rtx_unstable_p): Do not treat the argument pointer specially
9349 if it is not a fixed register.
9350 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
9352 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9354 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
9355 against last real insn in basic block.
9356 Rework to avoid gotos.
9358 * Makefile.in (gcse.o): Now includes ggc.h.
9359 * gcse.c: Include ggc.h.
9360 (want_to_gcse_p): Verify expression can be in SET as valid insn.
9361 (try_replace_reg): Remove warning of uninitialize variable.
9362 (process_insert_insn): Call invalid_insn_p to validate insn.
9363 * recog.c (insn_invalid_p): Now global.
9364 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
9365 * recog.h (insn_invalid_p): New declaration.
9367 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
9369 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
9370 assignments from FP constants since 'Y' output code can't handle it.
9371 (eligible_for_sibcall_delay): Likewise.
9373 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
9374 Call fancy_abort directly, passing args.
9375 (print_rtl_and_abort): Now a macro, like fancy_abort.
9377 * final.c (output_operand_lossage): Use internal_error, not error.
9379 2001-02-18 Shane Nay <shane@agendacomputing.com>
9381 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
9382 structure shift insns.
9384 2001-02-18 Mark Mitchell <mark@codesourcery.com>
9386 * invoke.texi (-fsquangle): Remove documentation.
9387 (-fname-mangling-version): Likewise.
9389 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
9391 * optabs.c (expand_abs): Remove reference to
9392 HAVE_contitional_arithmetic.
9393 * combine.c (simplify_set): Likewise.
9395 2001-02-18 Richard Henderson <rth@redhat.com>
9397 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
9400 2001-02-18 Richard Henderson <rth@redhat.com>
9402 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
9404 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
9406 * reload1.c (reload_cse_simplify_set): Fix typo.
9408 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9410 * diagnostic.c (_fatal_insn): Decrement errorcount.
9412 * invoke.texi (-I): Add note avoiding use for system header files.
9414 * rtl.h (add_clobbers): Remove duplicate declaration.
9415 * recog.h (added_clobbers_hard_reg_p): New declaration.
9416 * genemit.c (struct clobber_pat): New field has_hard_reg.
9417 (gen_insn): Record if added clobbers clobber hard reg.
9418 (gen_split): Avoid unused warning if number of operands is 0.
9419 (output_added_clobbers_hard_reg_p): New function.
9422 2001-02-18 Alan Modra <alan@linuxcare.com.au>
9424 * pa.c (hppa_expand_prologue): Simplify code storing return
9425 pointer. For large (>=8k) frames with a post_store, adjust stack
9426 pointer by 8k-64 first rather than by 64. When testing with
9427 VAL_14_BITS_P, always use the actual value rather than the value
9428 negated. Add blockage to prevent scheduling of spills before
9429 stack frame has been created.
9430 (hppa_expand_epilogue): Simplify code loading return pointer.
9431 Allow a slightly larger range for merge_sp_adjust_with_load case.
9432 When testing with VAL_14_BITS_P, always use the actual value.
9434 * pa.c (pa_adjust_insn_length): Check that block move
9435 pattern is a set before looking at operands.
9437 2001-02-17 Mark Mitchell <mark@codesourcery.com>
9439 * fold-const.c (fold_binary_op_with_conditional_arg): New
9440 function, split out from ...
9442 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
9443 conditional arms that throw exceptions.
9445 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
9448 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9450 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
9451 define HAVE_DECL_* to 1 to mask potential backup declarations.
9452 * configure: Regenerated.
9454 2001-02-17 Mark Mitchell <mark@codesourcery.com>
9456 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
9458 2001-02-17 Richard Henderson <rth@redhat.com>
9460 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
9461 when replacing a memory load with a register.
9463 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9464 Jan Hubicka <jh@suse.cz>
9466 * recog.c (validate_replace_src_1): New.
9467 (validate_replace_src_data): Likewise.
9468 (validate_replace_src): Use note_uses.
9469 * rtl.h (note_uses): Declare.
9470 * rtlanal.c (note_uses): New.
9472 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
9474 * reg-stack.c (stack_def): Make field reg unsigned.
9475 (remove_regno_note): Unsignetize parameter.
9477 2001-02-16 Jes Sorensen <jes@linuxcare.com>
9479 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
9480 shladd_operand() call.
9482 2001-02-16 Bruce Korb <bkorb@gnu.org>
9483 Rodney Brown <RodneyBrown@mynd.com>
9485 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
9486 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
9487 machine restrictions
9488 * fixinc/fixincl.x: regen
9490 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9492 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
9494 (hash_scan_insn): Clean up calls to hash_scan_set.
9495 (compute_kill_rd): REGNO now unsigned.
9496 (try_replace_reg): Rework to use simplify_replace_rtx.
9497 (cprop_jump, cprop_cc0_jump): Likewise.
9498 (cprop_insn): Call find_reg_equal_equiv_note.
9499 Reflect changes to cprop_jump and cprop_cc0_jump.
9501 * recog.c (validate_replace_src): Replace in operands of
9502 ZERO_EXTRACT in SET_DEST.
9504 * cse.c (new_label_ref): New variable.
9505 (insert): Set it instead of recorded_label_ref.
9506 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
9507 CODE_LABEL for this function, and not already in REG_LABEL note.
9509 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
9511 * resource.c (mark_referenced_resources): Fix typo in introductory
9513 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
9516 2001-02-16 Jason Merrill <jason@redhat.com>
9518 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
9520 (gen_subprogram_die): Don't abort on seeing a second definition if
9521 the previous one was abstract. Don't replace an abstract instance
9522 in the lookup table.
9524 * dwarf2out.c (dwarf2out_abstract_function): Rename from
9525 gen_abstract_function.
9526 * dwarf2out.h: Declare it.
9527 * toplev.c (note_outlining_of_inline_function): New fn.
9528 * toplev.h: Declare it.
9529 * integrate.c (output_inline_function): Call it.
9530 * c-decl.c (duplicate_decls): Call it when redefining an extern
9531 inline. Don't inline the new defn.
9533 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
9535 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9537 * .gdbinit: Rename to gdbinit.in.
9538 * gdbinit.in: New file,
9539 * configure.in: Generate .gdbinit from gdbinit.in.
9540 * configure: Regenerated.
9541 * Makefile.in (distclean): Always remove .gdbinit.
9543 2001-02-16 Jakub Jelinek <jakub@redhat.com>
9545 * objc/objc-act.c (start_class): Register implemented_classes with
9548 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
9550 * cppfiles.c (_cpp_make_system_header): Generate a file
9553 2001-02-15 Jim Meyering <meyering@lucent.com>
9555 * Makefile.in (install-common): Don't depend on installdirs here.
9556 Instead, make each of the lang.install-common targets (e.g.,
9557 c++.install-common in cp/Make-lang.in) depend on it.
9558 (install-driver): Depend on installdirs.
9560 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9562 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
9564 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
9567 2001-02-15 Mark Mitchell <mark@codesourcery.com>
9569 * invoke.texi (--param): Document.
9571 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
9573 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
9575 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
9577 * i386.md (extendsfdf2_2): Fix constraints.
9579 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
9581 * i386.md (fop_df_3 splitter): Fix operand number.
9583 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
9585 * invoke.texi (-mreg-alloc): Nuke.
9586 * i386.c (ix86_reg_alloc_order, regs_allocated,
9587 order_regs_for_local_alloc): Nuke.
9588 (override_options): Kill reg_alloc code.
9589 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
9590 (REG_ALLOC_ORDER): SSE goes before I387.
9591 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
9592 (ix86_reg_alloc_order): Likewise.
9593 * i386-protos.h (ix86_reg_alloc_order): Kill.
9595 2001-02-14 Richard Henderson <rth@redhat.com>
9597 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
9599 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
9601 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
9603 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
9605 * i386-protos.h (ix86_memory_move_cost): Move offline.
9606 * i386.c (ix86_register_move_cost): Compute properly cost of
9607 SSE, MMX and i387 instructions.
9608 (*_cost): Add costs of SSE/MMX moves.
9609 (ix86_memory_move_cost): Move offline from ....; Likewise.
9610 * i386.h (MEMORY_MOVE_COST): .... here;
9611 (struct processor costs): Add new fields to represent costs
9614 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
9616 * regclass.c (init_reg_sets_1): Reinstall the optimization of
9617 move_cost together with Matt Kraai's fix.
9619 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
9621 * Makefile.in (OBJS): Add params.o.
9623 2001-02-14 Richard Henderson <rth@redhat.com>
9624 DJ Delorie <dj@redhat.com>
9626 * jump.c (jump_optimize_1): When we delete a conditional jump
9627 preceeding a non-conditional jump to effectively the same place,
9628 make sure that the combined jump skips any clobber insns between
9631 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
9633 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
9635 2001-02-14 Mark Mitchell <mark@codesourcery.com>
9637 * Makefile.in (toplev.o): Depend on params.h.
9638 (intergate.o): Likewise.
9639 (params.o): New target.
9640 * flags.h (inline_max_insns): Remove.
9641 * integrate.c: Include params.h.
9642 Use MAX_INLINE_INSNS instead of inline_max_insns.
9643 * params.c: New file.
9644 * params.h: Likewise.
9645 * params.def: Likewise.
9646 * toplev.c: Include params.h.
9647 (lang_independent_params): New variable.
9648 (decode_f_option): Use the param machinery instead of setting
9650 (independent_decode_option): Handle "--param name=value".
9651 (main): Register language-independent parameters.
9653 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
9655 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
9657 2001-02-14 Richard Henderson <rth@redhat.com>
9659 * regclass.c (init_reg_sets_1): Revert last two changes.
9661 2001-02-14 Jakub Jelinek <jakub@redhat.com>
9663 * stor-layout.c (is_pending_size, put_pending_size): New functions.
9664 (variable_size): Call put_pending_size.
9665 * tree.h (is_pending_size, put_pending_size): Add prototypes.
9666 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
9667 sizes list, put newly created SAVE_EXPR there as well.
9669 2001-02-14 Jakub Jelinek <jakub@redhat.com>
9671 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
9672 (errata_find_address_regs): load_group has only 2 entries.
9673 (errata_emit_nops): Likewise. shladd is not problematic.
9674 Clear last_group if nop was emitted.
9675 (fixup_errata): load_group has only 2 entries.
9678 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
9680 * c-lex.c (lex_number): Only warn traditionally for U suffix
9681 outside system macros.
9682 * cppexp.c (parse_number): Similarly.
9683 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
9684 * cppmacro.c (struct cpp_macro): New member node.
9685 (parse_args): Only warn about missing rest args if not
9687 (funlike_invocation_p): Similarly for uninvoked funlike macros.
9688 (cpp_sys_objmacro_p): New.
9689 (_cpp_create_definition): Store the node with the macro defn.
9690 Remember if the macro is defined in a system header.
9692 2001-02-13 DJ Delorie <dj@redhat.com>
9694 * configure.in (check_languages): determine languages to check
9695 * Makefile.in (check-c++): alias for check-g++
9696 (check-f77): alias for check-g77
9697 (CHECK_TARGETS): depend on configured languages
9699 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
9701 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
9702 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
9703 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
9704 (sqrtextendsfdf2): Disable for SSE2.
9706 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
9708 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
9709 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
9710 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
9711 (sqrtextendsfdf2): Disable for SSE2.
9713 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
9715 * i386.md (movsfcc_1): Support integer cmove instruction.
9716 (movdfcc_1): Likewise; new splitter.
9718 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
9720 * i386.c (output_fp_compare): Support SSE.
9721 (prepare_fp_compare_args): SSE comparisons always support memory.
9722 * i386.h (TARGET_CMOVE): SSE imply cmove.
9723 * i386.md (cmp?f2): Enable for SSE too.
9724 (cmpfp_i*): Support SSE.
9726 (cmpfp_i_sse_only): New.
9727 (s*, b* fp expanters): Enable for SSE too.
9728 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
9731 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
9733 * regclass.c (init_reg_sets_1): Silence warning.
9735 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
9737 * i386.md (sqrt?f2): Change to expander.
9738 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
9740 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9742 * rtlanal.c (find_reg_equal_equiv_note): New function.
9743 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
9744 (simplify_gen_relational, simplify_replace_rtx): Likewise.
9745 * rtl.h: Add declarations for above functions.
9747 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
9749 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
9751 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
9752 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
9753 * flow.c (mark_regs_live_at_end): Likewise.
9754 (calculate_global_regs_live): Likewise.
9755 * gcse.c (compute_hash_table): Likewise.
9756 (compute_kill_rd): Likewise.
9757 * resource.c (mark_target_live_regs): Likewise.
9758 * rtl.h (INVALID_REGNUM): New macro.
9760 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
9762 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
9764 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
9766 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
9769 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
9771 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
9773 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
9774 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
9775 (fop_sf_1_sse, fop_df_1_sse): New patterns
9776 (fop_*): Disable float_extend and float patterns for SSE compilation.
9777 * i386.c (output_387_binary_op): Support SSE.
9779 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
9781 * i386.md (dummy_extendsfdf2): Support SSE2
9782 (extendsfdf2): Enable if 80387 or SSE2.
9783 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
9784 and no MIX_I387_SSE2
9785 (extendsfdf2_1_sse_only): New pattern.
9786 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
9788 (truncdfsf2_1): Support SSE.
9789 (truncdfsf2_2): Support SSE.
9790 (truncdfsf2_2_1_sse): New pattern.
9791 (fixtruncsfsi2): Always use SSE if available.
9792 (fix_truncsfsi_sse): New pattern.
9793 (fix_truncdfsi_sse): New pattern.
9794 (floatsis?f2): Support SSE.
9795 (floatsidf2_i387): New pattern.
9796 (floatsidf2_sse): Likewise.
9798 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9800 * configure.in: Use "have_gnat" variable, not "gnat".
9801 * configure: Regenerated.
9803 * config/sparc/sparc.c (function_value): Treat all non-record
9804 aggregate types like used to treat UNION_TYPE.
9806 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
9808 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
9809 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
9811 (MASK_MIX_SSE_I387): New.
9812 (TARGET_SSE): SSE2 imply SSE.
9813 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
9814 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
9815 (enum reg_class): Add new classes.
9816 (REG_CLASS_NAMES): Likewise.
9817 (REG_CLASS_CONTENTS): Likewise.
9818 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
9819 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
9820 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
9821 (CLASS_MAX_NREGS): Use new macros.
9822 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
9823 * i386.md (pushsf, movsf): Support SSE.
9824 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
9825 splitters to use ANY_FP_REGNO_P.
9826 (movdf_nointeger, movdf_integer): Likewise.
9828 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
9830 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
9831 (try_combine): Use it.
9833 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
9835 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
9836 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
9837 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
9838 (REGISTER_MOVE_COST): Likewise.
9839 * i386-protos.h (ix86_secondary_memory_needed,
9840 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
9841 * i386.c (ix86_secondary_memory_needed,
9842 ix86_preferred_reload_class, ix86_register_move_cost): New function.
9844 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
9846 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
9847 (HARD_REGNO_MODE_OK): Move offline to ....
9848 * i386.c (ix86_hard_regno_mode_ok) ... here;
9849 refuse all incorrect modes.
9850 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
9852 2001-02-13 Richard Henderson <rth@redhat.com>
9854 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
9855 entire operator; replicate that and match_dup the operands.
9856 (cmp_ccx_arith_op_set): Likewise.
9857 (cmp_cc_arith_op_not_set): Likewise.
9858 (cmp_ccx_arith_op_not_set): Likewise.
9860 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
9862 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
9864 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
9866 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
9867 (TARGET_NO_BITFIELD_WORD): New macro.
9868 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
9869 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
9871 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9873 * cselib.c: New file, from simplify-rtx.c.
9874 * simplify-rtx.c: Remove cselib parts.
9875 * Makefile.in: Add cselib.o.
9877 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
9879 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
9880 (setup_incoming_varargs): Remove warning.
9882 * config/rs6000/rs6000.c (validate_condition_mode): When
9883 flag_fast_math, allow floating-point conditionals to be reversed.
9884 (rs6000_generate_compare): When flag_fast_math, don't generate
9885 cror operations for FP conditionals.
9887 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
9889 (ASM_SPEC): Likewise.
9890 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
9891 (CC1_SPEC): Likewise.
9892 (LINK_TARGET_SPEC): Likewise.
9893 (CPP_ENDIAN_SPEC): Likewise.
9894 * Makefile.in (check-consistency): New target.
9896 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
9898 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
9899 "return type defaults" warning for functions with return type
9901 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
9902 function declarations by default rather than only when pedantic.
9904 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
9906 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
9909 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
9911 * extend.texi (Deprecated): Deprecate new initializer lists.
9913 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
9915 * mkdeps.c (deps_add_default_target): Robustify. Add
9916 basename component only.
9917 * cpp.texi (-M): Describe how default target is generated.
9918 * invoke.texi (-M): Likewise.
9920 2001-02-12 Kazu Hirata <kazu@hxi.com>
9922 * toplev.c (push_float_handler): Remove.
9923 (pop_float_handler): Remove.
9924 * toplev.h: Remove prototypes for the above functions.
9926 2001-02-12 Jakub Jelinek <jakub@redhat.com>
9928 * c-common.c (constant_fits_type_p): New function.
9929 (convert_and_check): Use it.
9931 2001-02-11 Mark Mitchell <mark@codesourcery.com>
9933 * Makefile.in (GXX_ABI_FLAG): Don't define.
9934 * configure.in (--enable-new-gxx-abi): Remove option.
9935 * config.in: Regenerated.
9936 * configure: Likewise.
9938 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
9940 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
9942 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
9943 regular basic block, and arrange for all edges into it to switch
9946 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9948 * Makefile.in (distclean): Do not remove .gdbinit.
9950 2001-02-11 Mark Mitchell <mark@codesourcery.com>
9952 * Makefile.in (gcc.o): Fix typos.
9953 (protize.o): Likewise.
9954 (unprotoize.o): Likewise.
9956 2001-02-11 Richard Henderson <rth@redhat.com>
9958 * tree.c (build1): Check for null operand in last change.
9960 2001-02-11 Richard Henderson <rth@redhat.com>
9962 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
9963 (fold): Don't assume a constant isn't foldable.
9964 * tree.c (build): Set TREE_CONSTANT for an expression with no
9965 side-effects and constant operands.
9968 2001-02-10 Richard Henderson <rth@redhat.com>
9970 * jump.c (squeeze_notes): Revert 2000-05-12 change.
9972 2001-02-10 Anthony Green <green@redhat.com>
9974 * cpp.texi (Standard Predefined): Add documentation for
9977 * c-common.c (combine_strings): Improve warning message.
9979 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
9981 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
9983 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
9985 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
9987 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
9990 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
9992 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
9995 2001-02-09 Nick Clifton <nickc@redhat.com>
9997 * config/arm/arm.md: Change output contraint on post inc
9998 load/store multiple patterns to be a read/write contraint.
10000 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
10002 * gcc.c (cpp_options): Delete .d files on error. Don't delete
10003 .o files when using the -M options.
10005 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10006 David Edelsohn <edelsohn@gnu.org>
10008 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
10009 handle DImode constants. Use one TOC entry for SImode and smaller
10010 constants, aligned properly.
10012 2001-02-08 Jason Merrill <jason@redhat.com>
10014 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
10015 about the SP adjustment for saving the static chain pointer.
10016 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
10017 offset when setting a temporary CFA register.
10019 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
10021 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
10022 powerpc-*-chorusos* .
10023 * config/rs6000/chorus.h : New file.
10024 * config/i386/chorus.h : New file.
10025 * config/sparc/chorus.h : New file.
10026 * config/sparc/t-chorus-elf : New file.
10028 2001-02-08 David Edelsohn <edelsohn@gnu.org>
10030 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
10031 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
10032 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
10033 (__WCHAR_TYPE__): Correct macro name.
10035 2001-02-08 Richard Henderson <rth@redhat.com>
10037 * config/i386/i386.c (ix86_frame_pointer_required): New.
10038 (ix86_setup_frame_addresses): New.
10039 (struct machine_funciton): Add accesses_prev_frame.
10040 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
10041 ix86_frame_pointer_required.
10042 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
10043 (SETUP_FRAME_ADDRESSES): New.
10044 * config/i386/i386-protos.h: Update.
10045 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
10046 from FRAME_POINTER_REQUIRED.
10047 * config/i386/svr3gas.h: Likewise.
10048 * config/i386/sysv3.h: Likewise.
10049 * config/i386/v3gas.h: Likewise.
10051 2001-02-08 Richard Henderson <rth@redhat.com>
10053 * config/sparc/sparc.c (function_arg_record_value_3): Fix
10054 calculation of the number of integer registers required.
10055 (function_arg_record_value): Likewise.
10057 2001-02-08 Jason Merrill <jason@redhat.com>
10059 * diagnostic.c (internal_error): Say "confused" after 1 error, not
10060 two. Print file and line with "confused" message.
10062 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
10064 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10066 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
10068 2001-02-08 Bernd Schmidt <bernds@redhat.com>
10070 * final.c (cleanup_subreg_operands): The address of a MEM can
10073 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
10076 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
10078 * gcc.texi (Incompatibilities): Update documentation of
10079 preprocessing numbers.
10081 2001-02-07 Jakub Jelinek <jakub@redhat.com>
10083 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
10085 2001-02-07 Mark Mitchell <mark@codesourcery.com>
10087 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
10089 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
10090 * gcc.c (struct compiler): Add cpp_spec field.
10091 (input_file_compiler): New variable.
10092 (do_spec_1): Allow a particular compiler to handle `%C'
10094 (main): Store the current compiler in input_file_compiler.
10095 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
10097 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
10099 * cpphash.h (struct spec_nodes): Add n_true and n_false.
10100 * cppinit.c (cpp_create_reader): Initialize them.
10101 (append_include_chain): cxx_aware arg might be unused.
10102 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
10103 keywords and give them their phase 7 meaning. Pedwarn about
10104 this unless '__bool_true_false_are_defined' is defined.
10106 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
10108 * lcm.c (optimize_mode_switching): Emit mode_set before the
10109 JUMP_INSN of an abnormal edge.
10111 2001-02-07 Bernd Schmidt <bernds@redhat.com>
10113 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
10114 a scheduling barrier at the end.
10116 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
10118 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
10120 * config/sh/sh.md (reload_outsf): Removed.
10121 (movsf_ie): Introduce constraints for FPUL loads and stores.
10122 (reload_insf): Broaden the output constraint.
10124 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
10126 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
10127 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
10129 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
10131 * final.c: Revert my previous changes.
10132 * output.h: Make profile_label_no extern.
10133 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
10134 for generating label.
10136 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
10138 * config/i386/djgpp.h: Add comments about standard paths.
10139 (MD_EXEC_PREFIX): Undefine before defining.
10140 (MD_STARTFILE_PREFIX): New.
10142 2001-01-30 Bruce Korb <bkorb@gnu.org>
10144 fixinc/fixincl.c(process): Emit error message only if appropriate :)
10145 (load_file): do not rely on load_file_data() to close file pointer
10146 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
10147 fixinc/inclhack.def(irix_limits_const): add test_text
10149 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
10151 * cppexp.c (parse_defined): Improve diagnostics for invalid
10154 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
10156 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
10158 2001-02-06 Mark Mitchell <mark@codesourcery.com>
10160 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
10161 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
10162 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
10163 (rs6000_output_symbol_ref): New function.
10164 (output_toc): Use VTABLE_NAME_P.
10166 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10168 * print-tree.c (print_node, case PARM_DECL):
10169 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
10171 * stor-layout.c (reference_types_internal): New variable.
10172 (internal_reference_types): New function.
10173 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
10174 * tree.h (internal_reference_types): New declaration.
10176 * cse.c (find_best_addr): Fix typo in computing cost.
10178 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10180 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
10181 and this is the sum of a pointer and a constant, we know the result
10183 (num_sign_bit_copies, case PLUS): Likewise.
10184 * explow.c (convert_memory_address): Remove opposite SUBREG.
10185 * function.c (instantiate_new_reg): New function (from common code).
10186 (instantiate_virtual_regs_1): Call it.
10187 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
10188 if pointers sign- or zero-extend.
10189 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
10190 If pointers extend unsigned, use inside of SUBREG.
10191 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
10193 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
10195 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
10196 subdir of gcc_gxx_include_dir.
10197 (gcc_gxx_target_include_dir): Remove.
10199 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
10201 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
10202 (dwarf2out_frame_debug_expr): Revise introductory comments to add
10203 a high-level description.
10205 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
10207 * final.c: Move the declaration of profile_label_no to ...
10208 * output.h: ... here.
10209 * function.c (expand_function_start): Call PROFILE_HOOK.
10210 * config/rs6000/aix.h: Define PROFILE_HOOK.
10211 * config/rs6000/rs6000-protos.h: output_profile_hook new.
10212 * config/rs6000/rs6000.c (output_profile_hook): Define.
10213 (output_prolog): Do nothing for ABI_AIX as it is taken care by
10214 output_profile_hook.
10215 tm.texi : Explain new macro PROFILE_HOOK.
10217 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
10219 * extend.texi (Extended Asm): Do not say that semicolon is always
10220 a valid line-breaking character for GNU assemblers. Use
10221 newline-tab as the most commonly supported syntax. Use
10222 newline-tab rather than semicolon in multi-insn examples.
10224 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10226 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
10228 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10229 David Edelsohn <edelsohn@gnu.org>
10231 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
10232 code for AIX, even without flag_pic.
10234 2001-02-05 Jakub Jelinek <jakub@redhat.com>
10236 * c-typeck.c (common_type): push and pop binding level around
10237 calling common_type on function parameters.
10239 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
10241 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
10243 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10245 * config/mips/mips.c (override_options): Fix typo in last change.
10246 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
10247 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
10249 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
10251 * invoke.texi (-fdump-class-layout): Document.
10252 (-fdump-translation-unit): Use `=' as filename separator.
10254 2001-02-05 Mark Mitchell <mark@codesourcery.com>
10256 * Makefile.in (s-mlib): Don't build multilibs if
10257 --disable-multilib.
10258 (DRIVER_DEFINES): Adjust accordingly.
10260 (protoize.o): Likewise.
10261 (unprotoize.o): Likewise.
10262 * configure.in: Recognize --enable-multilib.
10264 2001-02-04 Mark Mitchell <mark@codesourcery.com>
10266 * Makefile.in (DRIVER_DEFINES): Fix quoting.
10268 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
10269 * configure.in: Remove --enable-libstdcxx_v3 support.
10270 * configure: Regenerated.
10272 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10274 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
10275 Call abort instead of fatal.
10276 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
10277 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
10278 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
10279 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
10280 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
10281 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
10283 * diagnostic.h (set_internal_error_function): Renamed.
10284 * toplev.h (internal_error): Renamed from fatal.
10285 (pfatal_with_name): Deleted.
10286 (fatal_io_error): Now has printf-style arguments.
10287 * diagnostic.c (pfatal_with_name): Deleted.
10288 (fatal_io_error): Rework to have args in printf-style.
10289 (set_internal_error_function): Renamed from set_fatal_function.
10290 (internal_error): Renamed from fatal.
10291 (error_recursion, fancy_abort): Call internal_error instead of fatal.
10292 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
10293 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
10294 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
10295 * flow.c (verify_flow_info): Likewise.
10296 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
10297 * config/mips/mips.c (save_restore_insns): Likewise.
10299 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
10300 * flow.c (verify_flow_info): Likewise.
10301 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
10302 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
10303 (avr_normalize_condition): Likewise.
10304 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
10305 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
10306 (limit_reload_class, double_reg_to_memory): Likewise.
10307 (print_operand_address, emit_1600_code_shift): Likewise.
10308 (gen_tst_reg, gen_compare_reg): Likewise.
10309 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
10310 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
10312 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
10314 * c-parse.in (methoddef): Call fatal_error instead of fatal.
10315 * objc/objc-act.c (build_ivar_chain): Likewise.
10316 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
10318 * graph.c (clean_graph_dump_file): Likewise.
10319 * profile.c (init_branch_prob): Likewise.
10320 * objc/objc-act.c (objc_init): Likewise.
10322 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
10323 * config/avr/avr.c (avr_override_options): Likewise.
10324 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
10325 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
10326 * config/h8300/h8300.c (h8300_init_once): Likewise.
10327 * config/mips/mips.c (override_options): Likewise.
10328 * config/i386/i386.c (override_options): Likewise, rework.
10329 * config/m68k/m68k.c (override_options): Likewise.
10331 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
10333 * config/mips/mips.c (print_operand): Likewise.
10334 * hash.c (hash_allocate): Don't check for failure returns from
10335 obstack functions that can't fail.
10336 (hash_table_init_n, hash_table_init): Likewise; also now return void.
10337 * hash.h (hash_table_init_n, hash_table_init): Now return void.
10338 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
10339 (get_object_reference): Likewise.
10341 2001-02-04 Nick Clifton <nickc@redhat.com>
10343 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
10344 StrongARM1110, 10TDMI, and 1020T.
10346 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10348 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
10350 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
10352 * config/sh/sh.md (movdf load split): Pass register number to
10353 FP_OR_XD_REGISTER_P.
10355 2001-02-04 Mark Mitchell <mark@codesourcery.com>
10357 * cppinit.c (BC): New macro.
10358 (builtin_array): Add __GXX_WEAK__.
10359 * cpplib.h (builtin_type): Add BT_WEAK.
10360 * cppmacro.c (builtin_macro): Handle BT_WEAK.
10361 * defaults.h (SUPPORTS_ONE_ONLY): Define.
10362 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
10364 2001-02-03 Jakub Jelinek <jakub@redhat.com>
10366 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
10368 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
10370 * cpphash.h: Rename _ALIGN POOL_ALIGN.
10371 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
10373 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
10375 * cpphash.h: Rename ALIGN _ALIGN.
10376 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
10378 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
10380 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
10381 compilation environment.
10382 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
10383 control over location of cygwin includes and libs.
10385 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
10387 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
10389 2001-02-02 lars brinkhoff <lars@nocrew.org>
10391 * md.texi (Standard Names): remove reference to spur.md.
10393 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
10395 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
10396 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
10397 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
10398 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
10399 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
10401 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10403 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
10404 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
10405 number before reload.
10406 (c4x_adjust_cost): Return zero before reload.
10407 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
10408 split before reload.
10410 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10412 * c4x.c (c4x_hard_regno_rename_ok): New.
10413 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
10414 * c4x.h (HARD_REGNO_RENAME_OK): Define.
10416 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10418 * diagnostic.h: Add missing "extern" in all declarations.
10420 2001-02-02 Alex Samuel <samuel@codesourcery.com>
10422 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
10423 as for gcc_gxx_include_dir.
10425 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
10427 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
10429 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
10431 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
10432 label before alignment to be used as the braf base address.
10433 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
10435 (casesi_jump_2): Require at least TARGET_SH2.
10437 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
10438 truncation to 32-bit doubles on -m3e and -m4-single-only.
10440 2001-02-02 Mark Mitchell <mark@codesourcery.com>
10442 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
10443 the default when building a shared object.
10444 (init_spec): Use it.
10445 * testsuite/lib/g++.exp: Include the directory where libgcc
10446 is located to the LD_LIBRARY_PATH list.
10447 * invoke.texi (-shared-libgcc): Document the cases in which
10448 GCC defaults to using the shared libgcc.
10450 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
10452 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
10453 unsigned is wide enough.
10454 (BITS_PER_SI): New.
10455 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
10456 (si_to_float): Likewise.
10457 (float_to_si, float_to_usi): Use BITS_PER_SI.
10459 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
10461 * dwarf2out.c: Added explanation of abbreviations.
10462 (def_cfa_1): Added comments listing DWARF2 instructions.
10463 (cfa_temp_reg): Removed in favor of cfa_temp.
10464 (cfa_temp_value): Removed in favor of cfa_temp.
10465 (cfa_temp): New global variable.
10466 (dwarf2out_frame_debug_expr): Added extensive introductory
10467 comments explaining the function's transformations. Revised to
10468 use cfa_temp. Added some rtx checking. Generalize IOR case.
10469 (dwarf2out_frame_debug): Revised to use cfa_temp.
10470 (output_aranges): Cast as "unsigned" to avoid warning.
10471 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
10472 explain which instructions must be marked.
10474 2001-02-01 Richard Henderson <rth@redhat.com>
10476 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
10479 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
10481 * config/sh/crt1.asm (main_k): Modified so that start calls
10482 ___setup_argv_and_call_main.
10484 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
10486 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
10487 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
10488 and AVOID_LPASTE is cleared on meeting an unescaped newline.
10489 * cppmacro.c (builtin_macro): Set builtin flags here.
10490 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
10491 (replace_args): Clarify intent.
10492 (cpp_get_token): Macro expansion tokens get the saved flags.
10494 * cppmain.c (scan_buffer): Remove now-redundant print.printed
10497 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
10499 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
10502 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10504 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
10505 returns Pmode pseudo, but we need ptr_mode.
10506 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
10507 Remove bogus conversions; use HOST_WIDE_INT for size.
10508 Don't use TARGET if wrong mode.
10510 * config/i386/i386.c (ix86_compute_frame_size): Allow
10511 stack_alignment_needed to be non-default even if size is zero.
10513 2001-01-31 Alan Modra <alan@linuxcare.com.au>
10515 * pa.c (hppa_init_pic_save): New function.
10516 * pa.h (hppa_init_pic_save): Declare.
10517 * pa.md (call, call_value, sibcall, sibcall_value): Use
10518 the above instead of duplicated code.
10520 * pa.c (hppa_encode_label): Correct size of alloca buffer
10521 so we don't overrun it. Correct leading `*' case.
10522 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
10523 need to handle `*@'.
10524 (FUNCTION_NAME_P): Likewise.
10526 2001-01-31 Richard Henderson <rth@redhat.com>
10528 * config.gcc (alpha-osf5): Use float-i128.h.
10530 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
10531 * config/float-i32.h: Likewise.
10532 * config/float-i64.h: Likewise.
10533 * config/float-sh.h: Likewise.
10534 * config/float-sparc.h: Likewise.
10536 2001-01-31 DJ Delorie <dj@redhat.com>
10538 * expmed.c (extract_bit_field): allow non-integral modes if we
10539 want to extract a whole register from itself.
10541 2001-01-31 Jakub Jelinek <jakub@redhat.com>
10543 * c-typeck.c (set_init_index): If first is equal to last, assume as
10544 if it was not a range at all.
10546 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
10548 * config/fp-bit.c: Include tm.h.
10549 (float_to_si): Don't assume SImode is 32-bits wide.
10550 (float_to_usi): Likewise.
10552 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
10554 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
10556 (typename): Call pending_xref_error after parsing typed_typespecs.
10557 * c-decl.c (lookup_tag): Give error immediately rather than
10558 leaving it pending if the tag of the wrong type is in the same
10560 (xref_tag): Don't pedwarn for forward declarations of enum types
10562 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
10565 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
10567 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
10569 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
10571 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
10572 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
10574 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
10576 * cpphash.h (struct cpp_reader): New saved_flags.
10577 * cppmacro.c (cpp_get_token): Use saved_flags to remember
10578 to avoid a paste after a pasted token.
10580 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
10582 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
10583 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
10584 Wtype_MIN instead of LONG_MIN.
10586 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
10588 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
10590 * fixinc/fixincl.x: Regenerated.
10591 * fixinc/inclhack.def (irix_limits_const): New definition to
10592 convert "const" to "__const" in limits.h.
10594 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
10596 * fixinc/genfixes (AG): Fix "autogen4" thinko.
10598 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10600 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
10601 when register dies in the insn.
10603 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
10605 * diagnostic.c (fatal): Fix word wrap.
10607 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
10609 * combine.c (try_combine): Fix SUBREG setting for
10610 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
10612 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10614 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
10617 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
10619 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
10621 * toplev.c (decode_W_option): Update warn_larger_than
10622 unconditionally for each processed switch.
10624 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
10626 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
10628 (hppa_expand_prologue): Delete code to save pic offset table register
10629 in the function prologue.
10630 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
10631 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
10632 table register at the beginning of the function after the prologue.
10634 2001-01-29 lars brinkhoff <lars@nocrew.org>
10636 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
10638 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
10639 Jeff Law <law@redhat.com>
10641 * pa.md (return): Revise comment for trivial return.
10642 (return_internal): Non-trivial return pattern for non-PIC code.
10643 (return_internal_pic): Non-trivial return pattern for PIC code.
10644 It uses the PIC register to ensure it is restored after
10646 (epilogue): Generate appropriate return for PIC and non-PIC code.
10648 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
10650 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
10652 2001-01-29 DJ Delorie <dj@redhat.com>
10654 * combine.c (if_then_else_cond): Pass the correct mode to
10655 operand_subword() for constants.
10657 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
10659 * config/i386/cygwin.h: Add w32api to include search. Search different
10660 directories in a cross-build environment.
10662 2001-11-29 Tim Josling <tej@melbpc.org.au>
10664 * tree.h (TYPE_STUB_DECL): Add documentation.
10666 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
10668 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
10669 (sdbout_field_types): Likwise. Fix use of host_integerp.
10671 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
10673 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
10676 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
10678 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
10679 to use flag_gnu_linker.
10681 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
10683 * cpplib.c (T_BAD_DIRECTIVE): Remove.
10684 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
10686 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
10688 * tree.c, tree.h (build_parse_node): Remove; was identical to
10690 * c-lang.c (start_cdtor), objc/objc-act.c
10691 (build_module_descriptor): Use build_nt instead of
10694 2001-01-29 Jakub Jelinek <jakub@redhat.com>
10696 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
10697 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
10698 not have any upper bits set.
10700 2001-01-29 Phil Edwards <pme@sources.redhat.com>
10702 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
10704 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10706 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
10708 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
10710 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
10711 (integer_minus_one_node): Define.
10713 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
10715 * Makefile.in (bootstrap2-lean): Fix typo.
10717 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
10719 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
10720 : Don't set fe_value.
10721 * cpplib.h (AVOID_LPASTE): New flag.
10722 (struct cpp_hashnode): Remove fe_value.
10723 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
10724 * cppmacro.c (builtin_macro): Don't set flags here.
10725 (replace_args): Set AVOID_LPASTE flag on first token of an
10726 argument, and the token following it.
10727 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
10728 macro expansion, and on the token following it. Do it for
10730 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
10732 2001-01-27 Richard Henderson <rth@redhat.com>
10734 * config/alpha/t-ieee: Remove multilibbing.
10735 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
10737 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10739 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
10741 * Makefile.in: Remove all dependencies on defaults.h.
10742 * builtins.c: Don't include defaults.h.
10743 * c-common.c: Likewise.
10744 * c-decl.c: Likewise.
10745 * c-pragma.c: Likewise.
10746 * c-typeck.c: Likewise.
10747 * combine.c: Likewise.
10748 * i386.c: Likewise.
10749 * frame-ia64.c: Likewise.
10750 * cppexp.c: Likewise.
10751 * crtstuff.c: Likewise.
10752 * dbxout.c: Likewise.
10753 * dwarf2out.c: Likewise.
10754 * dwarfout.c: Likewise.
10755 * emit-rtl.c: Likewise.
10756 * except.c: Likewise.
10757 * expr.c: Likewise.
10758 * final.c: Likewise.
10759 * frame-dwarf2.c: Likewise.
10760 * libgcc2.c: Likewise.
10761 * optabs.c: Likewise.
10762 * profile.c: Likewise.
10763 * sdbout.c: Likewise.
10764 * toplev.c: Likewise.
10765 * tradcif.y: Likewise.
10766 * tree.c: Likewise.
10767 * varasm.c: Likewise.
10769 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10771 * builtins.c (expand_builtin_fputs): Use size_one_node when
10772 transforming into fwrite.
10774 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
10776 * extend.texi (Attribute Syntax): New section.
10778 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
10780 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
10781 they didn't need fixing.
10783 2001-01-27 Janis Johnson <janis@us.ibm.com>
10785 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
10787 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
10788 to remove macro definitions that are duplicated from elfos.h.
10790 2001-01-27 Richard Henderson <rth@redhat.com>
10792 * config/i386/sco5gas.h: Move ...
10793 * config/usegas.h: ... here.
10794 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
10796 2001-01-27 Jakub Jelinek <jakub@redhat.com>
10798 * c-typeck.c (struct constructor_stack): Add range_stack member.
10799 (really_start_incremental_init): Clear it.
10800 (push_init_level): Save constructor_range_stack and clear it if
10801 pushing explicit braces.
10802 (pop_init_level): abort if constructor_range_stack is non-zero at
10803 explicit closing brace. Restore saved constructor_range_stack if
10806 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
10808 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
10809 into register was forced into memory.
10811 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
10813 * Makefile.in: Remove uses of + before $(MAKE).
10815 2001-01-26 Richard Henderson <rth@redhat.com>
10817 * stmt.c (cost_table): Remove.
10818 (COST_TABLE, cost_table_initialized): New.
10819 (estimate_case_costs): Use the later instead of the former.
10820 (balance_case_nodes): Likewise.
10822 2001-01-26 Richard Henderson <rth@redhat.com>
10824 * alias.c (objects_must_conflict_p): Read-only slots may not
10825 conflict despite having the same type.
10827 2001-01-27 Michael Hayes <mhayes@redhat.com>
10829 * loop.c (loop_giv_reduce_benefit): Copy mode size into
10831 (check_ext_dependant_givs): Initialise u_start_val and
10833 (load_mems): Make last_max_reg unsigned.
10834 (try_swap_copy_prop): Use INSN_P and initialise set.
10836 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
10838 * README.AVR : Removed.
10840 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
10842 * pa-64.h (text_section): Remove declaration.
10844 * pa.md (return_internal): Remove mode on PIC register use.
10846 2001-01-25 lars brinkhoff <lars@nocrew.org>
10848 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
10849 ASM_CLOSE_PAREN): fix typos.
10851 2001-01-25 Mark Mitchell <mark@codesourcery.com>
10853 * acconfig.h: Define `const' to the empty string if neither
10854 __STDC__ nor __cplusplus is defined.
10855 * config.in: Regenerated.
10857 2001-01-25 David Edelsohn <edelsohn@gnu.org>
10859 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
10860 * collect2.c (main): Delete importf. Add ".obj" file extension.
10861 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
10862 (aix_std_libs): Add additional AIX libraries to skip.
10863 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
10864 * config/rs6000/aix51.h: New file.
10866 2001-01-25 Michael Hayes <mhayes@redhat.com>
10868 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
10869 (loop_insn_emit_before): No longer static.
10870 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
10871 (loop_givs_rescan, load_mems): Likewise.
10872 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
10873 (maybe_eliminate_biv_1):
10874 (move_movables): Replace emit_call_insn_before with
10875 loop_call_insn_hoist.
10876 * loop.h (loop_insn_emit_before): Add.
10877 * unroll.c (copy_loop_body): Replace emit_insn_before with
10878 loop_insn_emit_before.
10880 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
10882 * diagnostic.c (fatal): Request preprocessed source.
10884 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
10886 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
10887 olddecl has argument types and newdecl has none, use the argument
10888 types from olddecl.
10890 2001-01-24 Ulrich Drepper <drepper@redhat.com>
10892 * dwarf2out.c (prefix_of): New function. Determine longest common
10893 prefix of the two arguments. The units are whole path components.
10894 (output_file_names): When adding a new directory find the one entry
10895 with the longest common prefix already in the list. Artificially
10896 generate entry if there is none for this prefix.
10897 Fix test to check whether the zeroth directory entry is used.
10899 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
10901 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
10902 Changed all callers. Take it into account when deciding if a
10903 previously loaded value matches.
10905 2001-01-24 Richard Henderson <rth@redhat.com>
10907 * reload.c (find_reloads_subreg_address): Fail the substitution
10908 if the resulting address is insufficiently aligned.
10910 2001-01-24 DJ Delorie <dj@redhat.com>
10912 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
10913 check the original operand's mode also.
10914 * simplify-rtx.c (simplify_ternary_operation): Ditto.
10916 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
10918 * c-parse.in (cast_expr): Move compound literals from here ...
10919 (primary): ... to here. Use standard terminology "compound
10920 literal" instead of "constructor expression".
10922 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
10924 * gcc.1, cpp.1: Regenerate.
10926 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
10928 * calls.c (emit_library_call_value_1): Memory slot for
10929 pass-by-reference argument should have the mode of the argument,
10930 not of the pointer to it.
10932 2001-01-24 Tom Tromey <tromey@redhat.com>
10934 * gcc.texi (G++ and GCC): Mention gcj manual.
10935 (Standards): Link to section of manual mentioning gcj/Java
10938 2001-01-24 Jakub Jelinek <jakub@redhat.com>
10940 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
10941 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
10942 * tradcpp.c (main): Add -imacros or -include'd dependencies
10944 * cpp.texi (-M, -MM): Document -M -include behaviour.
10946 2001-01-24 Roger Collins <roger@ProProject.com>
10948 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
10950 2001-01-24 Will Cohen <wcohen@redhat.com>
10952 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
10953 whether registers are 32 bits or 64 bits in size.
10955 2001-01-24 Ben Elliston <bje@redhat.com>
10957 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
10959 2001-01-24 Richard Henderson <rth@redhat.com>
10961 * config/alpha/alpha.md (builtin_longjmp_internal): New.
10962 (builtin_longjmp): Use it instead of emit_indirect_jump.
10964 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
10966 * bb-reorder.c (make_reorder_chain_1): Handle case where
10967 jump edge goes to the same block as the fallthru edge.
10969 2001-01-23 Jim Wilson <wilson@redhat.com>
10971 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
10972 * frame.h (__ia64_personality_v1): Add prototype.
10973 * libgcc2.c (ia64_throw_helper): Change personality declaration to
10974 prototype form. Add void * cast to first argument to personality
10976 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
10977 (asctoe113): Likewise.
10978 * config/ia64/frame-ia64.c: Include eh-common.h.
10979 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
10981 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
10983 (itanium_split_issue): Add prototype.
10984 (gen_nop_type): Ifdef out.
10985 (find_best_packet): Initialize best_packet.
10986 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
10988 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
10989 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
10990 (flushrs): Add explicit stop bit at end.
10991 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
10994 2001-01-23 Chris Demetriou <cgd@broadcom.com>
10996 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
10998 * libgcc2.c (__terminate_func): Make variable static.
10999 (__terminate_set_func): New function to set __terminate_func.
11000 * libgcc2.h (__terminate_func_ptr): New typedef.
11001 (__terminate_set_func): New function.
11003 2001-01-23 Richard Henderson <rth@redhat.com>
11005 * flow.c (init_propagate_block_info): Don't consider unchanging
11006 memories for dead frame store elimination.
11008 2001-01-23 Richard Henderson <rth@redhat.com>
11010 * varasm.c (UNIQUE_SECTION): Move default implementation ...
11011 * defaults.h: ... here.
11013 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11015 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
11017 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
11019 * c-lex.c (lex_charconst): Fix typo: s/p/str.
11021 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11023 * rs6000.h (rs6000_return_addr): Move prototype from here...
11024 * rs6000-protos.h (rs6000_return_addr): ...to here.
11025 (rs6000_init_expanders): Delete prototype.
11027 2001-01-23 Nick Clifton <nickc@redhat.com>
11029 * invoke.texi: Replace , with \, inside @gccoptlist macros.
11030 (Spec Files): Document %B and %j and %. and %v3 and %M and
11031 %{S*&T} spec switches.
11033 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11035 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
11037 2001-01-23 Chris Demetriou <cgd@sibyte.com>
11038 Neil Booth <neil@daikokuya.demon.co.uk>
11040 * cpperror.c: Merge handlers of PEDWARN and WARNING.
11041 Have -Werror make pedantic warnings errors, like the
11044 2001-01-23 Phil Edwards <pme@sources.redhat.com>
11046 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
11048 2001-01-23 Jakub Jelinek <jakub@redhat.com>
11050 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
11051 * integrate.c (expand_inline_function): Initialize them.
11052 (subst_constants): If changing COMPARE so that both its arguments
11053 will be VOIDmode and the comparison mode will be lost, note
11054 compare_mode. Use the recorded compare_mode to optimize
11057 2001-01-23 Jason Merrill <jason@redhat.com>
11059 * dwarf2out.c (new_die): Use xcalloc.
11060 (output_die): Abort rather than emit a local reference to offset 0.
11062 2001-01-17 Andrew Haley <aph@redhat.com>
11064 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
11065 of a saved register; return NULL instead.
11066 (copy_reg): Take a pointer to a source register rather than a
11068 (next_stack_level): Remember the address in the stack frame of all
11070 Use the saved register pointer array as the source of the CFA.
11071 (throw_helper): Rewrite. Unwind once rather than twice and keep
11072 track of saved registers as we go.
11074 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11076 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
11077 * c4x.c (c4x_legitimize_reload_address): Remove.
11078 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
11079 reload address for ldp(k) insn.
11081 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
11083 * pa.md (return_internal): Add a USE of the PIC register to ensure
11084 it is restored after each call.
11085 (return expander): Corresponding changes.
11087 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11089 * rs6000.h (INIT_EXPANDERS): Delete.
11090 (RETURN_ADDR_RTX): Call rs6000_return_addr().
11091 * rs6000.c (rs6000_override_options): Call *_machine_status from
11093 (rs6000_init_expanders): ...instead of here. Delete.
11094 (rs6000_mark_machine_status): New function.
11095 (rs6000_init_machine_status): Use xcalloc.
11096 (rs6000_return_addr): Generate RTX for the return address.
11097 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
11098 (rs6000_stack_info): Use it.
11100 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
11102 * gthr-win32.h: Include errno.h to get a declaration for
11103 EINVAL and _mingw.h if the target is mingw32.
11105 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
11107 * cpp.texi: Correct typos.
11109 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11111 * explow.c (probe_stack_range): Ensure value passed to
11112 stack_check_libfunc is ptr_mode, not Pmode.
11114 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
11116 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
11117 case, don't use operand_subword to calculate a SUBREG that is
11120 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
11122 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11124 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
11125 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
11126 valid. If not replace it by equivalent insns.
11128 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11130 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
11131 contains SYMBOL_REF, LABEL_REF and CONST_INT.
11132 (c4x_U_constraint, symbolic_address_operand): Likewise.
11133 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
11135 (c4x_r11_set_p, c4x_check_laj_p): New functions.
11136 * c4x-protos.h (c4x_check_laj_p): Add prototype.
11137 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
11138 anulling slot because of silicon bug.
11139 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
11141 2001-01-22 Alan Modra <alan@linuxcare.com.au>
11143 * cppexp.c (parse_charconst): Change `mask' type to agree
11146 2001-01-21 Richard Henderson <rth@redhat.com>
11148 * config/i386/i386.c (ix86_asm_file_end): Disable putting
11149 pic_label_name in a linkonce section.
11151 2001-01-17 Philipp Thomas <pthomas@suse.de>
11153 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
11155 * configure: Regenerate.
11157 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
11159 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
11160 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
11162 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
11164 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
11165 If REVERSE nonzero then condition code in X must be reversed.
11166 (encode_section_info): Optimise if/else.
11167 (avr_function_value): Fix formatting.
11169 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
11170 (difficult_branch): Likewise.
11171 (rvbranch): Likewise.
11172 (difficult_rvbranch): Likewise.
11174 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
11176 * config/avr/libgcc.S: Fix comment.
11178 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11180 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
11182 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11184 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
11186 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11188 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
11189 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
11190 * configure, config.in: Regenerate.
11191 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
11192 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
11193 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
11194 (doprint.o): New rule.
11196 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
11198 * c-typeck.c (digest_init): Handle boolean types as scalars.
11200 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11202 * stmt.c (expand_return): Don't return anything if size is zero.
11203 Delete redundant assignment to BYTES.
11204 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
11206 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
11208 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
11209 the same as the default library function names.
11210 * config/avr/avr.md: Document special characters after '%'.
11211 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
11212 knowing which of the call-used registers are really clobbered.
11213 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
11214 New. Both quotient and remainder from one libgcc.S call.
11215 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
11216 clobber as few registers as possible.
11217 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
11219 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
11221 * cppmacro.c (funlike_invocation_p): Don't move back up to the
11222 context of the top of the stack.
11224 2001-01-20 Jakub Jelinek <jakub@redhat.com>
11226 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
11227 (fixup_var_refs_insns): ...here.
11229 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
11231 * function.c (fixup_var_refs_insns): Break up into
11232 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
11233 [loop over entire insn list], and fixup_var_refs_insns_with_hash
11234 [loop over hash table entries].
11235 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
11236 fixup_var_refs_insns_with_hash, to match above changes.
11238 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
11240 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
11241 (libgcc.a): Likewise.
11242 (stmp-multilib): Likewise.
11243 (STAGE2_FLAGS_TO_PASS): Likewise.
11245 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
11247 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
11248 temporary if no_new_pseudos.
11250 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
11252 * cppinternals.texi: Update.
11254 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
11256 * arm.c (arm_init_builtins): Re-enable builtins.
11258 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11260 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
11261 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
11262 element to be null, and always expect an EXPR_LIST.
11263 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
11264 * sched-deps.c (sched_analyze_1): Likewise.
11265 * sched-rgn.c (check_live_1, update_live_1): Likewise.
11267 * regclass.c (max_set_parallel): New variable.
11268 (reg_scan): Take it into account in computation of max_parallel.
11269 (reg_scan_mark_refs, case SET): Compute it.
11271 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
11273 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
11274 * function.c (assign_parms): Use INTVAL for a CONST_INT.
11276 2001-01-19 Jason Merrill <jason@redhat.com>
11278 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
11279 for the abstract instance of an inline function.
11281 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
11282 J"orn Rennecke <amylaar@redhat.com>
11284 * reload1.c (move2add_note_store): Treat all registers directly or
11285 indirectly derived from a base register as members of the same set
11287 (reload_cse_move2add): Adjust accordingly. Take mode and offset
11288 of base register into account.
11290 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
11292 * alias.c (find_base_value): Recognize TRUNCATE.
11293 (record_set): In PLUS case, invalidate if other summand is also a
11296 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11298 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
11299 entry to be EXPR_LIST.
11300 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
11301 be an EXPR_LIST (but not null, which other code doesn't allow).
11302 (note_stores): Properly handle PARALLEL in SET.
11303 Recursively call for top-level PARALLEL.
11304 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
11305 * sched-rgn.c (check_live_1, update_live_1): Likewise.
11307 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
11309 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
11311 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
11312 not pfile->skipping (== 0).
11314 2001-01-17 Nick Clifton <nickc@redhat.com>
11316 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
11319 2001-01-17 Jim Wilson <wilson@redhat.com>
11321 * invoke.texi (IA-64 options): Improve.
11323 2001-01-17 Tom Tromey <tromey@redhat.com>
11325 * invoke.texi (Optimize Options): Use `{}' to around @samp
11328 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
11330 * invoke.texi (-fno-guess-branch-probability): New option.
11332 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11334 * combine.c (try_combine): Don't set i3_subst_into_i2 for
11335 case of making new double-word constant.
11336 Revert last change: instead just test i3_subst_into_i2.
11338 2001-01-17 Jakub Jelinek <jakub@redhat.com>
11340 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
11341 Use q constraints instead of r.
11343 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
11345 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
11346 (machine_function): Define.
11347 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
11348 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
11349 pa_free_machine_status): New functions.
11350 (override_options): Set {init,mark,free}_machine_status to above.
11351 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
11352 PIC_OFFSET_TABLE_REGNUM_SAVED.
11353 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
11354 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
11355 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
11356 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
11357 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
11359 2001-01-15 DJ Delorie <dj@redhat.com>
11361 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
11365 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11367 * flow.c (propagate_one_insn): Make trying to delete a prologue
11368 or epilogue insn an ICE, not a warning. Allow doing this if
11369 the current function returns with stack pointer depressed.
11371 * combine.c (try_combine): If i3_subst_into_i2, properly check for
11372 I3 having more than one SET.
11374 2001-01-16 Jim Wilson <wilson@redhat.com>
11376 * invoke.texi: Document IA-64 options.
11378 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
11379 (fixup_errata): Delete TARGET_A_STEP use.
11380 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
11381 (TARGET_SWITCHES): Delete -ma-step option.
11382 * config/ia64/ia64.md (all FP patterns): Delete %B0.
11383 (movqicc_astep, movqi_internal_astep, movhicc_astep,
11384 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
11385 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
11386 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
11387 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
11389 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
11390 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
11391 cmovsi_internal): Delete ! TARGET_A_STEP check.
11393 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11395 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
11396 possibility to report bugs via postal mail. Change a URL and
11397 merge in a nearly duplicate statement...
11398 (Bug Reporting): ...from here.
11399 (Service): Refer to the Bug Reporting section instead of
11400 duplicating an URL.
11401 (Contributing): Remove trivial explanations concerning snapshots.
11403 2001-01-16 Alan Modra <alan@linuxcare.com.au>
11405 * cppmain.c (general_init): Don't use ANSI prototype.
11407 2001-01-16 Tom Tromey <tromey@redhat.com>
11409 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
11411 2001-01-16 Richard Henderson <rth@redhat.com>
11413 * config/i386/i386.h: Fix comment typo.
11414 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
11415 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
11417 2001-01-16 Phil Edwards <pme@sources.redhat.com>
11419 * gcc.c: Revert previous -fsyntax-only-related change; move
11422 2001-01-16 Jakub Jelinek <jakub@redhat.com>
11424 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
11425 inmode after checking GET_CODE (op).
11427 2001-01-16 Richard Henderson <rth@redhat.com>
11429 * flow.c (struct propagate_block_info): Add mem_set_list_len.
11430 (MAX_MEM_SET_LIST_LEN): New.
11431 (propagate_one_insn): Update mem_set_list_len.
11432 (invalidate_mems_from_autoinc): Likewise.
11433 (invalidate_mems_from_set): Likewise.
11434 (mark_used_regs): Likewise.
11435 (init_propagate_block_info): Likewise. Stop collecting memories
11436 when we reach MAX_MEM_SET_LIST_LEN.
11437 (mark_set_1): Likewise.
11439 2001-01-16 Richard Henderson <rth@redhat.com>
11441 * unroll.c (precondition_loop_p): Fail if no iteration
11444 2001-01-16 Phil Edwards <pme@sources.redhat.com>
11446 * gcc.c: When -fsyntax-only is given, do not complain about
11449 2001-01-15 Richard Henderson <rth@redhat.com>
11451 * config/i386/i386.c (asm_output_function_prefix): Remove.
11452 (ix86_asm_file_end): New.
11453 (load_pic_register): Generate pic_label_name into a
11454 staticly allocated buffer.
11455 * config/i386/i386-protos.h: Update.
11456 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
11457 (ASM_FILE_END): New.
11458 * config/i386/i386afe.h: New file.
11459 * config.gcc (i?86-*-elf) [tm_file]: Use it.
11460 (i?86-*-{freebsd,linux*,moss*}): Likewise.
11461 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
11462 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
11463 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
11464 * config/i386/sco5.h (ASM_FILE_END): Likewise.
11465 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
11467 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
11469 * Makefile.in (install-man): Remove explicit dependency on
11472 * configure.in, configure: Revert previous patch requiring perl
11475 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
11477 * toplev.c (flag_guess_branch_prob): New.
11478 (f_options): Add guess-branch-probability option.
11479 (rest_of_decl_compilation): Only estimate branch probability if
11481 (main): set flag_guess_branch_prob.
11483 * flags.h (flag_guess_branch_prob): New.
11485 2001-01-15 DJ Delorie <dj@redhat.com>
11487 * gcc.texi (Makefile): Add documentation for Makefile targets.
11489 2001-01-15 Philip Blundell <philb@gnu.org>
11491 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
11493 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
11494 (is_pic): Delete declaration.
11495 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
11496 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
11497 * config/arm/arm.md (builtin_setjmp_receiver): New.
11499 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
11501 * arm.c (use_return_insn): Don't try to determine the function type
11502 until after reload has completed.
11503 (arm_output_epilogue): Don't adjust the sp value recovered from the
11505 (emit_multi_reg_push): Don't record dwarf information for the pc.
11506 * arm.md (eh_epilogue): The function type may have changed, so it
11507 needs to be recalculated.
11508 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
11509 unwind tables on arm/netbsd.
11511 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
11513 * arm.md (cbranchsi4): Correct calculation of branch ranges.
11514 (negated_cbranchsi4): Likewise.
11516 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
11518 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
11519 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
11520 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
11521 pass -mapcs-* options to assembler.
11522 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
11523 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
11524 (ASM_SPEC): Call subtarget_extra_asm_spec.
11526 2001-01-15 Andreas Jaeger <aj@suse.de>
11528 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
11530 (ix86_expand_builtin): Likewise.
11532 * gencodes.c (output_predicate_decls): Make i size_t to avoid
11533 warning about comparison between signed and unsigned.
11535 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
11537 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
11539 2001-01-14 Ralf Baechle <ralf@gnu.org>
11541 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
11542 SUBTARGET_CPP_SPEC apropriatly.
11544 2001-01-12 Mark Mitchell <mark@codesourcery.com>
11546 * varasm.c (make_decl_rtl): Fix typo in last change.
11548 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
11550 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
11551 linker supports the init_priority C++ attribute.
11552 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
11553 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
11554 linker does not support init_priority C++ attribute.
11556 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
11558 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
11560 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
11562 * c-parse.in (finish_parse): Add comment about cpp_destroy.
11563 * cp/lex.c (finish_parse): Similarly.
11564 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
11565 Return the number of errors encountered.
11566 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
11567 * cppmain.c (main): Don't call cpp_destroy.
11569 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
11571 * configure.in: Require at least perl 5.6.0 to regenerate
11573 * configure: Regenerate.
11575 2001-01-14 Richard Henderson <rth@redhat.com>
11577 * genrecog.c (DT_veclen_ge): New.
11578 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
11579 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
11580 (nodes_identical_1): Handle DT_veclen_ge.
11581 (write_cond, debug_decision_2): Likewise.
11583 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
11585 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
11587 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
11589 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
11591 * cppmain.c (do_preprocessing): New function; most of the old
11593 (main): Call it to do most of the work.
11594 (cb): Move from global scope to set_callbacks ().
11595 (setup_callbacks): Get the callback pointer.
11596 (general_init, printer_init): Clean up code and comments.
11598 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
11600 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
11603 2001-01-14 Kazu Hirata <kazu@hxi.com>
11605 * config/h8300/h8300.c (get_shift_alg): Update comments.
11607 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11609 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
11610 (alloc_page, ggc_alloc): Add casts to remove warnings.
11612 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
11614 * combine.c (simplify_comparison): Don't change `code' when
11615 can't reverse comparison.
11617 2001-01-14 Richard Henderson <rth@redhat.com>
11619 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
11620 update all call sites. Return true for all non-label constants.
11622 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
11624 * i386.c (ix86_expand_compare): Add bypass_test and second_test
11626 (ix86_expand_branch): Update.
11627 (ix86_expand_setcc): Update to handle multiple test conditions.
11628 (expand_int_movcc): Likewise.
11629 (expand_fp_movcc): Likewise.
11630 * i386-protos.h (ix86_expand_compare): New.
11631 * i386.md (andqi_?_slp, orqi_?_slp): New.
11632 (conditional trap expander): Update call to ix86_expand_compare.
11634 2001-01-14 Richard Henderson <rth@redhat.com>
11636 * config/vax/vax.md: Use nonimmediate_operand instead of
11637 general_operand in destinations.
11639 * config/vax/vax.md (indirect_jump): Use register_operand.
11641 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
11642 * config/vax/vax.md (call_pop): Turn into an expander.
11643 (call_value_pop): Likewise.
11644 (call, call_value): New.
11646 2001-01-14 Andreas Jaeger <aj@suse.de>
11648 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
11650 (ix86_fp_compare_mode): Add unused attribute.
11651 (ix86_expand_fp_movcc): Remove unused variable.
11652 (ix86_expand_builtin): Make fcode unsigned.
11654 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
11655 (expand_expr): Add cast to avoid signed warning.
11656 (store_field): Likewise.
11657 (store_constructor_field): Likewise.
11658 (store_constructor): Likewise.
11659 (store_expr): Likewise.
11660 (clear_storage): Likewise.
11661 (emit_group_store): Likewise.
11662 (emit_group_load): Likewise.
11664 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
11666 * c-common.c: Move format checking code to ...
11667 * c-format.c: ... here. New file. Reorder some functions and
11669 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
11671 * c-common.h (decl_handle_format_attribute,
11672 decl_handle_format_arg_attribute): Declare.
11673 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
11674 (c-common.o): Adjust dependencies.
11675 (c-format.o): New list of dependencies.
11677 2001-01-13 Jakub Jelinek <jakub@redhat.com>
11679 * unroll.c (loop_iterations): If we cannot prove iteration variable
11680 is set once in each iteration, punt.
11682 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
11684 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
11685 (*strlenhi): Remove clobber (which was buggy) of output address.
11687 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
11689 * Makefile.in (generated-manpages): Add gcc.1
11690 ($(srcdir)/gcc.1): New target.
11691 (maintainer-clean): Delete $(srcdir)/gcc.1.
11692 * gcc.texi: Add macros @gccoptlist and @gol.
11693 * invoke.texi: Include option summary in manpage. Mark up option
11694 summary with @gccoptlist and @gol. Use @r in one place where
11696 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
11697 * gcc.1: Generate from invoke.texi.
11699 2001-01-13 Richard Henderson <rth@redhat.com>
11701 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
11702 (struct page_entry): Add group member.
11703 (struct page_group): New.
11704 (struct globals): Add page_groups member.
11705 (alloc_anon): Only define for using mmap; remove valloc call.
11706 (page_group_index): New.
11707 (set_page_group_in_use): New.
11708 (clear_page_group_in_use): New.
11709 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
11710 (free_page, release_pages): Likewise.
11711 * configure.in (with-gc): Default to ggc-page always.
11713 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
11715 * reload1.c (replace_pseudos_in_call_usage): Use
11716 reg_equiv_constant and reg_equiv_address, and don't try
11717 regno_reg_rtx first.
11719 2001-01-13 Richard Henderson <rth@redhat.com>
11721 * ggc-page.c (alloc_page): Round up allocation size to one page.
11722 Set e->order on extra pages.
11724 2001-01-13 Richard Henderson <rth@redhat.com>
11726 * genrecog.c (nodes_identical): Expand commentary.
11727 (write_switch): Watch out for identical nodes.
11729 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11731 * cppfiles.c (_cpp_fake_include): New function.
11732 * cpphash.h (_cpp_fake_include): New.
11733 * cpplib.c (do_line): Call _cpp_fake_include when entering
11734 header files in preprocessed input.
11735 * cppmain.c (cb_pragma_implementation): Remove handling.
11736 (setup_callbacks): Don't register pragmas.
11738 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11740 * extend.texi: Udate for CPP.
11742 2001-01-13 Andreas Jaeger <aj@suse.de>
11744 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
11746 * regmove.c: Add prototype for replace_in_call_usage.
11748 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11750 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
11751 struct cpp_chunk, struct htab, struct toklist,
11752 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
11753 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
11754 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
11755 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
11756 (struct macro_args): Delete.
11757 * cpphash.h: See above.
11759 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11761 * cppmain.c (struct printer): Remove no_line_dirs.
11762 (options, cb): New.
11763 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
11764 : Use options rather than CPP_OPTION.
11765 (setup_callbacks): Use cb rather than pfile->cb.
11766 (main): No need to check for a buffer. Use cpp_errors.
11767 (printer_init): Don't set no_line_dirs.
11768 (maybe_print_line): Use options not no_line_dirs.
11769 (cb_file_change): Don't call print_line if -P.
11771 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11773 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
11775 * c-parse.in (finish_parse): Use cpp_errors.
11776 (__yylex): Use return value of cpp_pop_buffer.
11777 * cp/lex.c (finish_parse): Use cpp_errors.
11778 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
11780 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
11782 * README.AVR: URLs corrected.
11784 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11786 * c-decl.c (start_function): Don't warn if old prototype is builtin
11787 that's not in C's namespace.
11788 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
11789 (_bb): Add prototype for ctime.
11790 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
11792 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
11794 * i386.c (ix86_fp_comparison_arithmetics_cost,
11795 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
11796 ix86_fp_comparison_cost): New functions.
11797 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
11798 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
11799 two-branch sequences; make static.
11800 (ix86_use_fcomi_compare): Do decision according to the costs.
11801 (split_fp_branch): New.
11802 * i386.md (compare-and-branch patterns): Use split_fp_branch.
11803 * i386-protos.h (ix86_expand_fp_compare): Remove
11804 (ix86_split_fp_branch): Declare.
11806 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
11807 and ix86_comparison_operator.
11809 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
11810 to make it cheaper.
11812 * i386.c (put_condition_code): Output properly the unordered/ordered
11813 compares in fp case.
11814 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
11816 * tm.texi (REVERSE_CONDITION): Document.
11817 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
11818 in -ffast-math mode.
11819 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
11821 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
11823 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
11825 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
11828 * config/sh/sh.c (mova_p): Fix test for mova_const.
11830 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11832 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
11833 cpp_get_options rather than dereferencing pfile and using
11835 * scan-decls.c (scan_decls): Use return value of
11836 cpp_pop_buffer rather than CPP_BUFFER.
11838 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11840 * cppinit.c (cpp_handle_option): help_only is now part of the
11841 cpp_options structure.
11842 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
11843 cpp_set_callbacks): New functions.
11844 * cpplib.h (cpp_callbacks): Break out as a named structure.
11845 (cpp_options): Move help_only here from cpp_reader.
11846 (CPP_FATAL_ERRORS): Update to use cpp_errors.
11847 (cpp_errors, cpp_get_options, cpp_get_callbacks,
11848 cpp_set_callbacks): New prototypes.
11849 * cppmain.c (main): Update for help_only.
11851 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
11853 * Makefile.in (info, maintainer-clean, install-info, uninstall):
11854 Also build and remove and install and uninstall c-tree.info and
11856 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
11857 ($(srcdir)/cppinternals.info): New target.
11858 * c-tree.texi: Change file name used when makeinfo used without -o
11859 from ir.info to c-tree.info. Add info directory entry.
11860 * cppinternals.texi: Add info directory entry.
11861 * .cvsignore: Update.
11863 2001-01-12 Jakub Jelinek <jakub@redhat.com>
11865 * c-typeck.c (store_init_value): Don't require constant initializer
11866 elements with -pedantic -std=c99.
11867 (digest_init): Change error about non-constant initializer elements
11869 (constructor_range_end): Remove.
11870 (constructor_incremental, designator_depth,
11871 designator_errorneous): New variables.
11872 (struct constructor_stack): Remove range_end, add incremental.
11873 (struct constructor_range_stack, constructor_range_stack): New.
11874 (struct initializer_stack): Add constructor_range_stack.
11875 (finish_init): Set it.
11876 (start_init): Likewise. require_constant_elements for non-static
11877 trees only if not flag_isoc99.
11878 (really_start_incremental_init): Remove constructor_range_end, add
11879 constructor_incremental.
11880 (pop_init_level): Likewise.
11881 (push_init_level): Likewise. If implicit and the subobject had some
11882 value set already, preinitialize the level with it.
11883 Warn about missing braces only if not pushing due to designators.
11884 (set_designator, push_range_stack): New functions.
11885 (set_init_label): Use them.
11886 (set_init_index): Likewise. Remove constructor_range_end.
11887 Error if designator index is outside of array bounds.
11888 (add_pending_init): Compare values of purpose index trees, not the
11889 trees themselves. Allow overwriting of already initialized element.
11890 Issue a warning if it had side-effects.
11891 (set_nonincremental_init, set_nonincremental_init_from_string): New
11893 (pending_init_member): Rename to...
11894 (find_init_member): ...this function. Call set_nonincremental_init
11895 if necessary. Compare values of purpose index trees, not the trees
11896 themselves. Return the actual value, not just non-zero if something
11898 (output_init_element): Remove checks for duplicates.
11899 If field has zero size, only check the initializer for correctness.
11900 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
11901 if constructor_incremental is zero. Change error about initializers
11902 not computable at load time into pedwarn.
11903 (output_pending_init_elements): Compare bit positions, not
11904 FIELD_DECLs to take into account zero-sized fields.
11905 (process_init_element): Use constructor_range_stack to fill all
11906 ranges in the designator lists from current level up.
11907 * extend.texi: Update documentation for labeled elements.
11909 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
11911 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
11912 to function usage for arguments passed by reference. Optimize
11913 callee-copied arguments.
11914 * regmove.c (replace_in_call_usage): New function.
11915 (fixup_match_1): Call it.
11916 * cse.c (cse_insn): Canonicalize registers in function usage.
11917 * reload1.c (replace_pseudos_in_call_usage): New function.
11920 * Makefile.in: Reverted yesterday's wrong patch. Installed the
11923 2001-01-12 Jakub Jelinek <jakub@redhat.com>
11925 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
11928 2001-01-12 DJ Delorie <dj@redhat.com>
11930 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
11931 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
11934 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
11936 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
11937 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
11938 -std options alongside references to -ansi. Update some
11939 documentation for C99.
11940 * cpp.1: Regenerate.
11942 2001-01-12 Andreas Jaeger <aj@suse.de>
11944 * haifa-sched.c (restore_line_notes): Remove argument block B
11946 * sched-ebb.c (schedule_ebb): Change caller.
11947 * sched-rgn.c (schedule_region): Likewise.
11948 * sched-int.h (restore_line_notes): Adjust prototype.
11950 * loop.h: Remove wrong declaration of doloop_condition_get.
11952 2001-01-12 Phil Edwards <pme@sources.redhat.com>
11954 * extend.texi: Move C++-extension-related node from the C section
11955 into the C++ section.
11957 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
11959 * extend.texi: Refer to an array of pointers to functions instead
11960 of one of functions.
11962 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
11963 Jan Hubicka <jh@suse.cz>
11965 * combine.c (reversed_comparison): Fix typo in last patch.
11967 (combine_reversed_comparison_code): Make static to follow
11968 prototype declaration.
11970 2001-01-12 Phil Edwards <pme@sources.redhat.com>
11972 * install.texi: Remove misplaced duplicate entry.
11974 2001-01-11 Ulrich Drepper <drepper@redhat.com>
11976 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
11978 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
11980 * final.c: (leaf_function_p): Fix typo.
11982 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
11984 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
11985 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
11987 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
11988 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
11989 mmap_anon, and valloc is available.
11990 * ggc-page.c: Restructure ifdef logic to match new autoconf
11991 spec. Don't throw away the test page in init_ggc.
11993 * configure, config.in: Regenerate.
11995 2001-01-12 Michael Hayes <mhayes@redhat.com>
11997 * loop.h (total_biv_increment): Constify iv_class pointer.
11998 (struct induction): Replace `mem_mode' with `mem' rtx.
11999 * unroll.c (total_biv_increment): Constify iv_class pointer.
12000 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
12001 (find_mem_givs, combine_givs_p): Likewise.
12002 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
12004 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
12006 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
12008 (__gthread_getspecific): Ditto.
12010 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
12012 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
12013 put_condition_code): Convert fp comparison codes to integer
12015 (ix86_expand_fp_compare): Postnote the fp comparison code converison
12018 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
12019 * i386-protos.h (no_comparison_operator): Kill.
12021 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
12023 * combine.c (REVERSIBLE_CC_MODE): Remove.
12024 (reversible_comparison_p): Remove.
12025 (combine_reversed_comparison_code): New.
12026 (reversed_comparison): New.
12027 (combine_simplify_rtx): Use
12028 combine_reversed_comparison_code/reversed_comparison instead
12029 of reversible_comparison_p.
12030 (simplify_if_then_else): Likewise.
12031 (simplify_set): Likewise.
12032 (simplify_logical): Likewise.
12033 (if_then_else_cond): Likewise.
12034 (known_cond): Likewise.
12035 (simplify_comparison): Likewise.
12037 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
12039 * builtins.c (std_expand_builtin_va_start): Handle varargs when
12040 sizeof (int) is larger than sizeof(__word__).
12042 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
12044 * cppinit.c (do_includes): Fix typo.
12046 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
12048 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
12049 in S_REGS does not occur because not all sources are possible
12050 when a S_REGS is a destination (sometimes needs a clobber).
12051 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
12052 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
12053 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
12054 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
12055 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
12056 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
12057 (lshrdi_const1, lshrsi3_const16): Likewise.
12058 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
12059 (*movhi_68hc12, *movqi_68hc12): Likewise.
12060 (movstrictqi): Make sure reloading in D_REGS as a destination
12063 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
12065 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
12067 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
12069 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
12070 -D, -U and -A, and don't initialize the builtins.
12071 (do_includes): Error if -include or -imacros with -fpreprocessed.
12072 * cppmain.c (cb_define, cb_undef): Unconditionally process
12074 * tradcpp.c (main): Fix typo.
12076 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
12078 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
12079 (read_name_map): Use IS_ABSOLUTE_PATH.
12080 * tradcpp.c (get_filename): Likewise.
12082 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
12084 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
12085 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
12086 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
12087 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
12088 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
12089 (cmphi_z_used): Don't use '@' for the output.
12090 (tstqi_z_used): Likewise.
12091 (cmpqi_z_used): Likewise.
12092 (one_cmplsi2): Likewise.
12094 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
12096 * config/sh/sh.c (barrier_align): Recognize branch around far
12097 branch and redundant insn.
12099 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
12101 * invoke.texi: Restore documentation of the drivers' switches -MD
12104 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
12106 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
12108 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
12109 check-objc//%): Support parallel testing of multilibs.
12110 (TESTSUITEDIR): Set to testsuite by default, but override for
12112 (check-gcc, check-g++, check-g77, check-objc): Enter
12115 2001-01-11 Bernd Schmidt <bernds@redhat.com>
12117 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
12118 * sched-deps.c (deps_may_trap_p): Likewise.
12119 * basic-block.h: Remove a comment.
12120 * flow.c (PROP_POSTRELOAD): Remove.
12121 (update_life_info): Don't add it to prop_flags.
12122 (mark_set_1): Lose the code that was enabled by it.
12124 2001-01-11 Michael Hayes <mhayes@redhat.com>
12126 * flow.c (flow_call_edges_add): New.
12127 * basic_block.h (flow_call_edges_add): New.
12129 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
12131 * reload1.c (move2add_note_store): Update reg_set_luid even if
12132 base reg remains the same.
12134 2001-01-10 Nick Clifton <nickc@redhat.com>
12136 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
12137 machine_function structure to zero.
12138 Add prototypes for machine_status functions.
12140 2001-01-10 Mark Mitchell <mark@codesourcery.com>
12142 * c-common.h (CTI_VOID_LIST): Remove.
12143 (void_list_node): Likewise.
12144 * tree.h (TI_VOID_LIST_NODE): New enumeral.
12145 (void_list_node): New macro.
12146 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
12147 * config/i386/i386.c (ix86_init_builtins): Likewise.
12148 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
12150 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
12152 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
12153 * cppinit.c (cpp_start_read): Update comment, remove unneeded
12155 * tradcpp.c: Include mkdeps.h.
12156 (deps, print_deps_phony_targets, deps_append, output_deps,
12157 init_dependency_output, output_deps): New.
12158 (deps_buffer, deps_allocated_size, deps_size, deps_column,
12159 deps_output): Delete.
12160 (print_deps_missing_files): Rename deps_missing_files.
12161 (inhibit_output): Make global.
12162 (main): Delete inhibit_output, deps_stream, deps_target.
12163 Use mkdeps functionality in the same way as cpplib. Remove
12164 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
12165 -M and -MM. Remove old handling of deps via deps_out, and
12166 old reading of environment variables.
12167 (get_filename): Update to use deps_add_dep.
12169 2001-01-10 Mark Mitchell <mark@codesourcery.com>
12171 * output.h (make_function_rtl): Remove prototype.
12172 (make_decl_rtl): Likewise.
12173 * varasm.c (make_function_rtl): Remove.
12174 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
12175 than from a third parameter.
12176 * tree.h (make_decl_rtl): Remove last parameter.
12177 * c-decl.c (builtin_function): Remove last argument in call to
12178 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
12179 (start_function): Likewise.
12180 * except.c (call_get_eh_context): Likewise.
12181 * expr.c (emit_block_move): Likewise.
12182 (clear_storage): Likewise.
12183 * profile.c (output_func_start_profiler): Likewise.
12184 * toplev.c (rest_of_decl_compilation): Likewise.
12185 * objc/objc-act.c (create_builtin_decl): Likewise.
12186 (synth_module_prologue): Likewise.
12187 (generate_static_reference): Likewise.
12188 (build_selector_reference_decl): Likewise.
12189 (build_class_reference_decl): Likewise.
12190 (build_objc_string_decl): Likewise.
12191 (build_protocol_reference): Likewise.
12193 2001-01-10 Richard Henderson <rth@redhat.com>
12195 * hwint.h: Revert yesterday's change.
12197 2001-01-10 Nick Clifton <nickc@redhat.com>
12199 * function.h (save_machine_status): Delete.
12200 (restore_machine_status): Delete.
12201 Amend comment describing {init|mark|free}_machine_status.
12203 * function.c (save_machine_status): Delete.
12204 (restore_machine_status): Delete.
12205 Amend comment describing {init|mark|free}_machine_status.
12206 (push_function_context_to): Remove invocation of
12207 save_machine_status.
12208 (pop_function_context_from): Remove invocation of
12209 restore_machine_status.
12211 * emit-rtl.c (init_emit_once): Amend comment describing
12212 {init|mark|free}_machine_status.
12214 * tm.texi (Per-Function Data): New node. Describe the
12215 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
12218 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
12220 * cppinit.c (OPT_g): Remove.
12221 (cpp_handle_option): Update for removed -g3.
12222 (print_help): Update.
12223 * cpplib.h (struct cpp_options): Remove debug_output.
12224 * cppmain.c (setup_callbacks, cb_define): Update.
12225 * gcc.c (cpp_options): Translate -g3 to -dD.
12227 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
12229 * config/i960/i960.md: Change modifier to + on the zero_extract
12230 pattern after the (rotate -2 reg) canonicalization pattern.
12232 2001-01-10 Richard Henderson <rth@redhat.com>
12234 * config/alpha/alpha.c (alpha_free_machine_status): New.
12235 (override_options): Install it.
12236 (alpha_mark_machine_status): Verify machine non-null.
12237 * config/i386/i386.c (ix86_free_machine_status): New.
12238 (override_options): Install it.
12239 (ix86_init_machine_status): Use xcalloc.
12240 (ix86_mark_machine_status): Verify machine non-null.
12241 * config/ia64/ia64.c (ia64_free_machine_status): New.
12242 (ia64_override_options): Install it.
12243 (ia64_mark_machine_status): Verify machine non-null.
12245 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
12247 * function.c (instantiate_virtual_regs): Instantiate virtual
12248 registers found in CALL_INSN_FUNCTION_USAGE.
12250 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
12252 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
12253 equivalent to -ansi in disabling -Di386.
12255 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
12257 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
12259 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
12261 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
12263 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
12265 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
12267 * invoke.texi: Document that -fcond-mismatch isn't supported for
12270 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
12272 * gcc.texi: Define macro gcctabopt.
12273 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
12274 @command, @env and @option in some places where appropriate. Use
12275 @gcctabopt where appropriate. Put URLs and email addresses inside
12278 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
12280 * gcc.c (cpp_options): Set MD file name from output
12281 filename, if specified.
12282 (suffix_subst): New static variable.
12283 (do_spec): Clear it.
12284 (do_spec_1, case '.'): Handle new `%.suffix' spec.
12286 (give_switch): Handle suffix_subst.
12288 2001-01-10 Phil Edwards <pme@sources.redhat.com>
12290 * invoke.texi: Fix another typo.
12292 2001-01-10 Phil Edwards <pme@sources.redhat.com>
12294 * invoke.texi: Fix typo.
12296 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
12298 * c-lang.c (lang_hooks): Update.
12299 (lang_decode_option): Remove.
12300 (lang_init_options): Rename c_init_options.
12301 * toplev.c (main): Use lang_hooks for lang_init_options
12302 and lang_decode_option.
12303 * toplev.h (lang_hooks): Add 2 new hooks.
12304 * tree.h: Remove lang_init_options and lang_decode_option.
12305 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
12306 * cp/decl2.c: Similarly.
12307 * cp/lex.c (lang_init_options): Rename cxx_init_options.
12308 (lang_hooks): Update.
12309 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
12311 (lang_init_options): Rename ffe_init_options.
12312 (lang_hooks): Update.
12313 (lang_decode_option): Remove.
12314 * java/lang.c (lang_init_options): Rename java_init_options.
12315 (lang_decode_option): Rename java_decode_option.
12316 (lang_hooks): Update.
12317 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
12318 (lang_decode_option): Rename objc_decode_option.
12319 (lang_hooks): Update.
12321 2001-01-09 Nick Clifton <nickc@redhat.com>
12323 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
12324 (d30v_return_addr_rtx): Delete.
12325 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
12326 cfun->machine structure.
12327 (struct machine_function): Move to d30v.h
12328 (d30v_save_machine_status): Delete.
12329 (d30v_restore_machine_status): Delete.
12330 (d30v_init_machine_status): New Function.
12331 (d30v_mark_machine_status): New Function.
12332 (d30v_free_machine_status): New Function.
12333 (d30v_init_expanders): Use new functions.
12334 (d30v_return_addr): Use ra_rtx field in cfun->machine.
12335 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
12336 d30v_return_addr_rtx.
12338 * config/d30v/d30v.h (struct_machine): Move here.
12339 Add eh_epilogue_sp_ofs field.
12341 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
12342 field in cfun->machine structure.
12344 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
12346 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
12347 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
12348 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
12350 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
12352 * objc/lang-options.h: Remove bogus reference to
12355 2001-01-09 Kazu Hirata <kazu@hxi.com>
12357 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
12360 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
12362 * reload.c (find_reloads_address): Check for eliminable registers
12363 when substituting a constant expression for a pseudo.
12365 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
12367 * c-common.c (enum format_type): Add format_type_error.
12368 (decode_format_type): New function.
12369 (decl_attributes): Use it.
12370 (format_kind_info): Adjust comment.
12372 2001-01-09 David O'Brien <obrien@BSDi.com>
12374 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
12375 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
12377 * config/i386/gnu.h: Don't include required platform specific .h files,
12378 tm.h will do it instead.
12379 * config/i386/i386elf.h: Likewise.
12380 * config/i386/linux.h: Likewise.
12381 * config/i386/moss.h: Likewise.
12382 * config/mips/gnu.h: Likewise.
12384 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12386 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
12387 (rs6000-ibm-aix3.[01]*): Likewise.
12388 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
12389 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
12390 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
12391 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
12392 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
12393 (powerpc-*-eabiaix*): Likewise.
12394 (powerpc-*-eabisim*): Likewise.
12395 (powerpc-*-elf*): Likewise.
12396 (powerpc-*-eabi*): Likewise.
12397 (powerpc-*-rtems*): Likewise.
12398 (powerpc-*-linux*libc1): Likewise.
12399 (powerpc-*-linux*): Likewise.
12400 (powerpc-wrs-vxworks*): Likewise.
12401 (powerpcle-wrs-vxworks*): Likewise.
12402 (powerpcle-*-sysv*): Likewise.
12403 (powerpcle-*-elf*): Likewise.
12404 (powerpcle-*-eabisim*): Likewise.
12405 (powerpcle-*-eabi*): Likewise.
12406 (powerpcle-*-solaris2*): Likewise.
12407 * config/rs6000/aix31.h: Delete includes.
12408 * config/rs6000/aix3newas.h: Likewise.
12409 * config/rs6000/aix41.h: Likewise.
12410 * config/rs6000/aix43.h: Likewise.
12411 * config/rs6000/beos.h: Likewise.
12412 * config/rs6000/rtems.h: Likewise.
12413 * config/rs6000/sysv4.h: Likewise.
12415 2001-01-09 Kazu Hirata <kazu@hxi.com>
12417 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
12418 Change an argument mode of machine_mode to shift_mode of
12419 shift_mode. Remove an extra error check.
12420 (emit_a_shift): Adopt to the new calling prototype of
12422 (function_prologue): Fix code for a monitor
12423 function. Support H8/S.
12424 (function_epilogue): Do not output pop for a monitor function.
12426 2001-01-09 Nick Clifton <nickc@redhat.com>
12428 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
12429 (setup_incoming_varargs): Use sysv_varargs_p field of the
12430 cfun->machine structure.
12431 (struct machine_function): Move to rs6000.h
12432 (rs6000_save_machine_status): Delete.
12433 (rs6000_restore_machine_status): Delete.
12434 (rs6000_init_machine_status): New Function.
12435 (rs6000_free_machine_status): New Function.
12436 (rs6000_init_expanders): Use new functions.
12438 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
12440 (struct machine_function): Move here.
12442 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
12443 sysv_varargs_p field of the cfun->machine structure.
12445 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
12447 (rs6000_restore_machine_status): Remove prototype.
12449 2001-01-09 Richard Henderson <rth@redhat.com>
12451 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
12452 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
12453 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
12454 (sched_analyze_2, sched_analyze_insn): Likewise.
12455 (sched_analyze, init_deps): Likewise.
12456 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
12457 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
12458 (compute_block_backward_dependences): Update propagate_deps call.
12460 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
12462 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
12464 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
12466 * cppinit.c (OPT_MD, OPT_MMD): Restore.
12467 (cpp_handle_option): Handle them.
12468 (cpp_post_options): Ensure one of -M or -MM is specified with
12469 any other -M? option.
12470 (init_dependency_output): Suppress output with -MG.
12472 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
12474 * cpp.texi: Update.
12475 * invoke.texi: Update.
12477 2001-01-09 Bernd Schmidt <bernds@redhat.com>
12479 * sh.md (reload_outsf): Generate recognizable patterns for
12482 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
12484 * c-lang.c (lang_hooks): Update.
12485 (lang_init): Rename c_init.
12486 (lang_finish): Remove.
12487 * toplev.c (compile_file): Use lang_hooks for lang_init ()
12488 and lang_finish ().
12489 * toplev.h (lang_hooks): Add init () and finish ().
12490 * tree.h (lang_init, lang_finish): Remove.
12491 * cp/tree.h (lang_init, lang_finish): Remove.
12492 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
12493 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
12495 (lang_init, lang_finish): Remove.
12496 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
12497 (lang_hooks): Update.
12498 * java/lang.c (lang_init): Rename java_init.
12499 (lang_finish): Remove.
12500 (lang_hooks): Update.
12501 * objc/objc-act.c (lang_init): Rename objc_init.
12502 (lang_finish): Remove.
12503 (lang_hoooks): Update.
12505 20001-01-09 Graham Stott <grahams@redhat.com>
12507 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
12508 after `ptr` is initialised.
12510 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
12512 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
12513 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
12514 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
12515 stack adjusts, instead of r3.
12517 2001-01-09 Michael Hayes <mhayes@redhat.com>
12519 * flow.c (flow_loop_scan): Break out of ...
12520 (flow_loops_find) ... here.
12521 * basic-block.h (flow_loop_scan): New.
12522 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
12523 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
12525 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
12527 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
12529 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
12530 realloc()ing macro_buffer.
12532 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
12533 if it's wider than long and the target's long is wider than the
12536 2001-01-09 Mark Mitchell <mark@codesourcery.com>
12538 Remove support for using UWIN as a host machine.
12539 * configure.in: Issue an error message.
12540 * configure: Regenerated.
12541 * config.gcc: Remove xm_* UWIN configury.
12542 * config/i386/xm-uwin.h: Remove.
12544 2001-01-08 Nick Clifton <nickc@redhat.com>
12546 * config/v850/v850.c (ra_rtx): Delete.
12547 (v850_save_machine_status): Delete.
12548 (v850_restore_machine_status): Delete.
12549 (v850_init_machine_status): New function.
12550 (v850_mark_machine_status): New function.
12551 (v850_free_machine_status): New function.
12552 (v850_return_addr): Use ra_rtx field in machine structure.
12553 (v850_init_expanders): Use new functions.
12555 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
12556 * config/v850/v850.c: Change arguments to v850_output+* functions
12557 to take a const char *, to avoid compile time warning.
12558 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
12559 (USER_LABEL_PREFIX): Redefine.
12561 2000-01-08 Jim Wilson <wilson@redhat.com>
12563 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
12564 1 to unsigned HOST_WIDE_INT before left shift.
12566 2001-01-08 Nick Clifton <nickc@redhat.com>
12568 * config/arm/arm.c (arm_mark_machine_status): Check to see if
12569 the machine structure has been allocated.
12570 (arm_free_machine_status): New function: Free the machine
12571 specific function structure.
12573 2001-01-08 Richard Henderson <rth@redhat.com>
12575 * jump.c (simplejump_p): Revert last change.
12577 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
12579 * cppinit.c (init): Rename init_library.
12580 (cpp_create_reader): Update.
12581 * gcc.c (cpp_options): If -o given, use it as the target of
12584 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
12586 * arm.c (arm_arch5e): New variable.
12587 (all_cores): XScale is a 5TE device.
12588 (arm_override_options): Set arm_arch5e.
12589 (arm_init_builtins): __builtin_prefetch is in arch5e.
12590 * arm.h (arm_arch5e): Declare it.
12592 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
12594 * arm.md (define_constants): Add defines for UNSPEC and
12595 UNSPEC_VOLATILE insns. Update all users.
12596 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
12597 * arm.c (multi_register_push, note_invalid_constants)
12598 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
12599 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
12600 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
12602 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
12604 * jump.c (jump_optimize_1): Use reversed_comparison_code
12605 instead of can_reverse_comparison_p.
12606 (jump_back_p): Likewise.
12607 (invert_exp_1): Likewise.
12608 (thread_jumps): Likewise.
12609 * simplify-rtx.c (simplify_unary_operation): Likewise.
12610 (simplify_ternary_operation): Likewise.
12611 * cse.c (find_comparison_args): Convert to use
12612 can_reverse_comparison_p.
12613 (record_jump_equiv): Likewise.
12615 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
12617 * arm.h (HARD_REGNO_RENAME_OK): Delete.
12618 (EPILOGUE_USES): Define.
12619 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
12620 automatically stack the LR if it isn't live.
12622 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
12624 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
12627 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
12629 * ggc-page.c (max_alignment): New structure.
12630 (MAX_ALIGNMENT): New macro.
12631 (init_ggc): Use it to round up the sizes in the
12632 extra_order_size_table.
12634 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12636 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
12639 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12641 * builtins.def (BUILT_IN_FPRINTF): New entry.
12643 * c-common.c (c_expand_builtin_fprintf): New function.
12644 (init_function_format_info): Handle __builtin_fprintf.
12645 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
12646 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
12648 * c-decl.c (duplicate_decls): Adjust comment.
12650 * extend.texi (fprintf): Document new builtin.
12652 2001-01-07 Richard Henderson <rth@redhat.com>
12654 * jump.c (simplejump_p): Recognize any single_set jump
12655 of the proper form.
12657 2001-01-07 Richard Henderson <rth@redhat.com>
12659 * configure.in (slibdir): Accept an --with-slibdir option.
12660 Use "test" not "[" in configure. Default to $(libdir).
12662 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
12664 * config/t-aix43 (SHLIB_INSTALL): Likewise.
12665 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
12666 (SHLIB_LINK): Create links for the soname.
12667 * config/mips/t-iris6: Likewise.
12668 * config/sparc/t-slibgcc: Likewise.
12669 * config/sparc/t-slibgcc-sld: Likewise.
12671 2001-01-07 Jakub Jelinek <jakub@redhat.com>
12673 * config/i386/i386.c (constant_call_address_operand): Accept
12674 (const (plus (symbol_ref) (const_int))).
12675 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
12676 constant_call_address_operand.
12678 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12680 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
12681 and LONG_LONG_TYPE_SIZE > 32.
12683 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
12685 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
12686 the previous change.
12688 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
12690 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
12692 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
12693 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
12694 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
12697 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12699 * fix-header.c (read_scan_file): s/pfile/scan_in/.
12701 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12703 * c-lang.c (c_post_options): Call cpp_post_options.
12704 * objc/objc-act.c (objc_post_options): Similarly.
12705 * cppmain.c (main): Similarly.
12706 * fix-header.c (read_scan_file): Similarly.
12707 * cppinit.c (cpp_start_read): Move option consistency checks
12708 to cpp_post_options. Don't call init_dependency_output.
12709 If needed, add default target and main file dependency.
12710 (OPT_MD, OPT_MMD): Remove.
12712 (cpp_handle_option): Update for OPT_* changes.
12713 (cpp_post_options): New.
12714 (init_dependency_output): Command line -MF overrides environment
12715 variables. Don't set default target etc. Suppress output
12716 if dependencies are going to stdout.
12717 (print_help): Update.
12718 * cpplib.h (cpp_post_options): New.
12719 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
12721 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
12723 * jump.c (comparison_dominates_p): Support unordered compares.
12725 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
12727 * simplify-rtx.c (simplify_relational_operation): Always simplify
12728 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
12731 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
12733 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
12734 (nonzero_bits): Likewise.
12735 (simplify_comparison): Likewise.
12736 (num_sign_bit_copies): Likewise; return more sane value depending
12737 on STORE_FLAG_VALUE.
12738 (known_cond): Do not assume EQ to be always true for equivalent
12741 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
12743 * cse.c (fold_rtx): Handle unordered comparisons.
12745 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
12747 * rtlanal.c (set_of_1): New static function.
12748 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
12749 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
12750 reg_set_last_last_regno): Remove.
12751 (set_of): New global function.
12752 (set_of_data): New structure.
12753 (reg_set_p, reg_set_last): Revamp for set_of.
12754 * rtl.h (set_of): New.
12756 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
12758 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
12759 * extend.texi: Document _Exit builtin.
12761 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12763 * (initialize, initialize_builtins,
12764 initialize_dependency_output, initialize_standard_includes):
12765 Rename s/initialize/init. Update.
12766 (init_dependency_output): Move to after
12767 cpp_handle_options, the correct location temporally at least.
12768 (opt_comp): Move next to init (), its caller. Fix prototype.
12769 (init): Make "initialized" local scope.
12770 (cpp_create_reader): Always call init ().
12771 (cpp_start_read): Update.
12772 (output_deps): New function, broken out of cpp_finish.
12773 (cpp_finish): Break out output_deps.
12775 2001-01-07 Richard Henderson <rth@redhat.com>
12777 * collect2.c (COFF specific stuff): Revert 12-06 patch
12778 to prototype system functions.
12780 2001-01-07 Michael Hayes <mhayes@redhat.com>
12782 * hard-reg-set.h: Add multiple include guard.
12783 * basic-block.h (struct loop): Add `sink' field.
12784 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
12785 (emit_iv_add_mult): Delete.
12786 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
12787 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
12788 (unroll_loop): Remove end_insert_before argument.
12789 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
12790 (maybe_eliminate_biv_1): Likewise.
12791 (emit_iv_add_mult): Delete.
12792 (gen_add_mult, loop_regs_update): New.
12793 (loop_insn_emit_after, loop_insn_emit_before): New.
12794 (loop_insn_sink, loop_insn_sink_or_swim): New.
12795 (emit_iv_add_mult): Delete.
12796 (scan_loop): Set loop->sink.
12797 (loop_givs_reduce): Use loop_insn_sink and its ilk.
12798 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
12799 (maybe_eliminate_biv_1): Likewise.
12800 (maybe_eliminate_biv_1): Add basic block argument.
12801 * unroll.c (unroll_loop): Remove end_insert_before argument.
12802 (find_splittable_regs): Likewise.
12803 (find_splittable_regs): Use loop_insn_sink and its ilk.
12804 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
12806 2001-01-07 Michael Hayes <mhayes@redhat.com>
12808 * loop.h (loop_insn_hoist): New prototype.
12809 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
12810 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
12811 (check_dbra_loop, load_mems): Likewise.
12812 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
12813 (find_splittable_givs): Likewise.
12815 2001-01-07 Michael Hayes <mhayes@redhat.com>
12817 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
12819 2001-01-07 Richard Henderson <rth@redhat.com>
12821 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
12823 2001-01-07 Richard Henderson <rth@redhat.com>
12825 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
12826 NO_SHARED_LIBGCC_MULTILIB as required for the target.
12827 * gcc.c (init_spec): Massage the existing libgcc_spec into a
12828 variant that handles a shared libgcc.
12829 (process_command): Always validate -{static,shared}-libgcc.
12830 (do_spec_1): New 'M' case.
12831 * invoke.text (Link Options): Document -{static,shared}-libgcc.
12833 2001-01-07 Richard Henderson <rth@redhat.com>
12835 * Makefile.in (slibdir): New variable.
12836 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
12837 (installdirs): Create slibdir.
12838 (install-libgcc, install-multilib): Defer to libgcc.mk.
12839 * configure.in (slibdir): Substitute.
12840 * mklibgcc.in (install): New target.
12842 * config/t-linux (SHLIB_LINK): Create links for the soname.
12843 (SHLIB_INSTALL): New.
12844 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
12845 * config/mips/t-iris6 (SHLIB_INSTALL): New.
12846 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
12847 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
12848 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
12850 2001-01-07 Richard Henderson <rth@redhat.com>
12852 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
12853 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
12854 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
12856 2001-01-07 Michael Hayes <mhayes@redhat.com>
12858 * loop.c (count_loop_regs_set): Delete.
12859 (load_mems_and_recount_loop_regs_set): Delete.
12860 (loop_regs_scan): Merge common code from count_loop_regs_set,
12861 scan_loop, and load_mems_and_recount_loop_regs_set.
12862 (scan_loop): Call load_mems directly and loop_regs_scan
12863 again if new registers created.
12865 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12867 * toplev.c (main): Call the front-end specific post_options
12868 hook if one is given.
12869 * toplev.h (struct_lang_hooks, lang_hooks): New.
12870 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
12871 for the C front end.
12872 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
12873 lang_hooks for the C++ front end.
12874 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
12875 lang_hooks for the ObjC front end.
12876 * f/com.c (lang_hooks): Hooks for the Fortran front end.
12877 * java/lang.c (lang_hooks): Hooks for the Java front end.
12879 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12881 * c-lex.c (init_c_lex): Request #define / #undef callbacks
12882 for verbose DWARF[2] debugging.
12883 (cb_define, cb_undef): The new callbacks.
12884 * toplev.h (debug_define, debug_undef): Make const correct.
12885 * toplev.c (debug_define, debug_undef): Similarly. Do not
12886 perform the verbosity tests here anymore.
12888 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
12890 * reload.c (subst_reloads): Take INSN argument. When
12891 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
12892 * reload.h (subst_reloads): Adjust prototype.
12893 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
12894 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
12895 present in JUMP_INSNs and copy them to JUMP_LABEL.
12896 * flow.c (find_label_refs, find_basic_blocks_1): Skip
12897 JUMP_INSNs and insns with REG_LABELs that are followed by
12898 JUMP_INSNs with the same REG_LABEL.
12899 * sched-rgn.c (is_cfg_nonregular): Likewise.
12900 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
12902 * unroll.c (unroll_loop): Look for REG_LABEL notes in
12904 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
12906 2001-01-06 Richard Henderson <rth@redhat.com>
12908 * loop.c (scan_loop): Use xcalloc for the regs array.
12909 (load_mems_and_recount_loop_regs_set): Zero the new memory
12910 received from xrealloc.
12912 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
12914 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
12916 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
12918 * integrate.c (copy_rtx_and_substitute): When copying
12919 an ignored return value, strip REG_FUNCTION_VALUE_P.
12921 2001-01-06 Michael Hayes <mhayes@redhat.com>
12923 * loop.c (debug_biv, debug_giv): New.
12924 (loop_biv_dump): Break out from ...
12925 (record_biv): ... here.
12926 (loop_giv_dump): Break out from ...
12927 (record_giv): ... here.
12928 (loop_bivs_check): Use print_simple_rtl.
12929 * unroll.c (loop_iterations): Use print_simple_rtl.
12931 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
12933 * pa.md (return, return_internal): Modify patterns to prevent regrename
12934 mucking with the return pointer.
12936 2001-01-05 Richard Henderson <rth@redhat.com>
12938 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
12940 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
12942 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
12943 version supplied by Matteo Frigo.
12945 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
12947 * cpp.texi: Update for -MQ.
12948 * cppinit.c (cpp_create_reader): Always create pfile->deps.
12949 (cpp_cleanup): Always free pfile->deps.
12950 (initialize_dependency_output): Don't create pfile->deps.
12951 (cpp_handle_option): Similarly.
12953 * gcc.c (cpp_options): Handle -MQ.
12954 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
12955 * mkdeps.c (base_name): Remove.
12956 (deps_init): Don't allocate vector space until it's needed.
12957 (deps_free): Only free vectors if allocated.
12958 (deps_add_target, deps_add_dep): Update for initial allocation.
12959 (deps_add_default_target): Don't strip to the base_name.
12961 2001-01-05 DJ Delorie <dj@redhat.com>
12963 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
12964 (INIT_EXPANDERS): Define.
12966 * config/v850/v850.c (struct machine_function): Define.
12967 (v850_save_machine_status): New function.
12968 (v850_restore_machine_status): New function.
12969 (v850_return_addr): New function.
12970 (v850_init_expanders): New function.
12972 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
12973 and v850_init_expanders.
12975 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
12977 * cpplib.h (struct cpp_reader): Add help_only field.
12978 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
12979 (cpp_handle_option): Set pfile->help_only if we see -h,
12980 --help, -target-help, or --version. Print version string but
12981 do not set help_only if we see -v or -version. Make text
12982 printed by -v match that printed by (-)-version.
12984 * cppmain.c (main): Exit after option parsing if
12985 pfile->help_only is true.
12987 * toplev.c (independent_decode_option): Call print_version,
12988 then exit, if we see --version (but not -version).
12989 (print_version): Split lengthy message into two lines.
12991 2001-01-05 Nick Clifton <nickc@redhat.com>
12993 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
12994 temporary string for initialisation before calling ggc_alloc_string.
12996 2001-01-06 Michael Hayes <mhayes@redhat.com>
12998 * rtl.h (print_simple_rtl): New.
12999 * print-rtl.c (print_simple_rtl): New.
13000 (flag_simple): New.
13001 (print_rtx): Disable printing of flags and modes, etc.,
13002 if `flag_simple` nonzero.
13004 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
13006 * function.c (fixup_var_refs): Use push_to_full_sequence where
13009 2001-01-05 Michael Meissner <meissner@redhat.com>
13011 * flags.h (flag_reorder_blocks): Add declaration.
13012 (flag_rename_block): Ditto.
13014 2001-01-05 DJ Delorie <dj@redhat.com>
13016 * function.c (reorder_blocks): Make sure the flags are all reset
13017 before using them to mark blocks, else a second invocation will
13018 corrupt the block chain.
13019 (reorder_blocks_0): New, resets the flags.
13021 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
13023 * cse.c (find_comparison_args): Stop if the argument is known to
13026 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
13028 * config/sh/sh.md (movdf): When splitting load into pair of
13029 registers, don't clobber the register used in the address too
13032 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
13034 * varasm.c (mark_constant_pool): Improve initial comments.
13035 (mark_constants): Move marking of constants to mark_constant.
13036 (mark_constant): New function to recursively mark all constants
13037 referred to by a constant.
13039 2001-01-05 Catherine Moore <clm@redhat.com>
13041 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
13043 2001-01-05 Phil Edwards <pme@sources.redhat.com>
13045 * cp/lang-options.h: Bring comment in line with reality.
13046 * f/lang-options.h: Likewise.
13047 * java/lang-options.h: Likewise.
13048 * objc/lang-options.h: Likewise.
13049 * ch/lang-options.h: Likewise.
13050 * f/g77.texi: And update the manual.
13052 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
13053 Denis Chertykov <denisc@overta.ru>
13055 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
13056 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
13057 * config/avr/avr.md (all peepholes that request a scratch register):
13058 Call it, FAIL the peephole if not safe (in interrupt functions).
13060 2001-01-05 Mark Mitchell <mark@codesourcery.com>
13062 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
13064 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
13066 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
13068 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
13069 BUILT_IN_CREAL and BUILT_IN_CIMAG.
13070 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
13071 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
13072 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
13074 * extend.texi: Document these builtins.
13076 2001-01-05 Daniel Berlin <dberlin@redhat.com>
13078 * c-common.c (lang_get_alias_set): Say we know nothing of
13079 VECTOR_TYPE aliasing.
13081 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
13083 2001-01-05 Bruce Korb <bkorb@gnu.org>
13085 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
13086 their x* equivalent versions for atexit-less systems
13087 * fixinc/fixincl.c(main): do not return from main() on atexit-less
13088 systems (or any other system any more).
13090 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
13092 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
13093 output operands. Use arm_hard_register_operand for operand 4.
13094 (stmsi_postinc): Similarly.
13095 (ldmsi): Use arm_hard_register_operand for opernand 2.
13096 (stmsi): Similarly.
13097 * arm.c (arm_hard_register_operand): New function.
13098 * arm-protos.h (arm_hard_register_operand): Prototype it.
13100 * arm.h (HARD_REGNO_RENAME_OK): Define.
13102 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
13104 * simplify-rtx.c (cfc_args): add "unordered" field.
13105 (check_fold_consts): Set unordered field.
13106 (simplify_relational_operation): Simplify the unordered
13109 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
13112 * emit-rtl.c (try_split): Fix code to mark labels.
13113 * jump.c (mark_jump_label): Make global.
13114 * rtl.h (mark_jump_label): Declare.
13116 * predict.c (estimate_probability): Handle unordred comparisons.
13118 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
13120 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
13121 * cppinit.c (initialize_dependency_output): Update.
13122 (cpp_finish): Output dummy targets for -MP.
13124 (cpp_handle_option): Handle -MP. Don't quote -MT options.
13125 * cpplib.h (struct cpp_options): Add deps_phony_targets.
13126 * gcc.c (cpp_options): Update to handle -MP.
13127 * mkdeps.c (deps_add_target, deps_add_default_target): Update
13128 to quote only the default target.
13129 (deps_phony_targets): Insert a preceding newline. Rename from
13130 deps_dummy_targets for consistency.
13133 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
13135 * calls.c (emit_library_call_value_1): Support
13136 INIT_CUMULATIVE_LIBCALL_ARGS.
13137 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
13139 2001-01-04 Richard Henderson <rth@redhat.com>
13141 * c-decl.c (finish_struct): Detect flexible array members
13142 used in an inappropriate context.
13143 * c-typeck.c (really_start_incremental_init): Special case
13144 constructor_max_index for zero length arrays.
13145 (pop_init_level): Allow initialization of flexible array
13146 members. Deprecate initialization of zero length arrays.
13147 Don't issue missing initializer warning for flexible array
13148 members or zero length arrays.
13149 (process_init_element): Don't dereference null DECL_SIZE.
13150 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
13151 Don't abort for empty constructors. Use size_binop
13152 (output_constructor): Add commentary regarding zero length
13153 array futures. Abort if we try to initialize an array of
13154 unspecified length with a non-empty constructor in the middle
13157 * extend.texi (Zero Length): Update and clarify documentation
13158 on static initialization.
13160 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13162 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
13163 with more than 32767 words of local storage.
13165 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13167 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
13168 for 'abs', 'labs', and 'fabs'.
13169 (c4x_expand_builtin): Likewise.
13170 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
13172 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
13174 * config/sh/sh.md (prget, prset): New insn types.
13175 (return delay slot): Dont' allow prset.
13176 (call, sfunc delay slot): Don't allow prget.
13177 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
13178 for prset and prget.
13180 2001-01-05 Michael Hayes <mhayes@redhat.com>
13182 * loop.h (struct loop_reg): New.
13183 (struct loop_regs): Change to use array of `struct loop_reg'.
13184 * loop.c: Replace assortment of varrays with single regs array.
13185 (count_one_set): Delete may_not_move array argument
13186 and use regs array instead. All caller's changed.
13187 (count_loop_regs_set): Delete may_not_move and single_usage
13188 arguments and use regs array instead. All caller's changed.
13189 (find_single_use_in_loop): Replace usage array argument with pointer
13190 to regs structure. All caller's changed.
13191 (loop_optimize): Delete `moved_once' array.
13193 2001-01-05 Michael Hayes <mhayes@redhat.com>
13195 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
13196 Use it instead of loop_info->has_call for scanning loop mems.
13197 (check_dbra_loop): Replace loop_info->has_call test with
13198 loop_info->has_nonconst_call.
13200 2000-01-04 Matthew Hiller <hiller@redhat.com>
13202 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
13205 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
13207 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
13208 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
13210 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
13212 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
13213 (flag_short_double, flag_short_wchar): Define.
13214 (c_common_nodes_and_builtins): Create many tree nodes shared
13215 between C and C++ here instead of in cp/decl.c and ...
13216 * c-decl.c (init_decl_processing): ... here.
13217 (SIZE_TYPE, WCHAR_TYPE): Don't define.
13218 (flag_short_double, flag_short_wchar): Don't define.
13219 (record_builtin_type): New function.
13220 (build_void_list_node): New function.
13221 * c-common.h (flag_short_double, flag_short_wchar,
13222 record_builtin_type, build_void_list_node): Declare.
13224 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
13226 * integrate.c (expand_inline_function): Don't put a virtual
13227 register into the reg map.
13229 * function.c (fixup_var_refs_1): If force_operand didn't put
13230 the address into the target, move it there.
13232 2001-01-04 Mark Mitchell <mark@codesourcery.com>
13234 Special-case tree_decl/tree_list allocations.
13235 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
13236 (OBJECT_SIZE): New macro.
13237 (NUM_EXTRA_ORDER): Likewise.
13238 (extra_order_size_table): New variable.
13239 (NUM_ORDERS): New macro.
13240 (objects_per_page_table): New variable.
13241 (object_size_table): New variable.
13242 (G.pages): Use NUM_ORDERS to bound the array.
13243 (G.page_tails): Likewise.
13244 (DIV_ROUND_UP): Remove.
13245 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
13246 (alloc_page): Use OBJECT_SIZE.
13247 (size_lookup): Don't make it const.
13248 (ggc_alloc): Use OBJECT_SIZE.
13249 (ggc_set_mark): Likewise.
13250 (ggc_get_size): Likewise.
13251 (init_ggc): Set up the object_size_table, objects_per_page_table,
13252 and adjust size_lookup.
13253 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
13254 (ggc_pop_context): Use NUM_ORDERS.
13255 (clear_marks): Likewise.
13256 (sweep_pages): Likewise.
13257 (poison_pages): Likewise.
13258 (ggc_print_statistics): Use OBJECT_SIZE.
13260 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13262 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
13263 Only call array_size_for_constructor if last field and array type
13264 with no upper bound.
13266 2001-01-04 Philip Blundell <philb@gnu.org>
13268 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
13269 from bit 31 downwards, if this requires no more insns.
13270 (count_insns_for_constant): New helper function for above.
13272 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
13274 * gencodes.c (output_predicate_decls): Remove empty initializer.
13276 2001-01-04 Mark Mitchell <mark@codesourcery.com>
13278 * tree.c (copy_node): Remove documentation about obstacks.
13279 (buidl1): Check that nobody tries to build 2-argument nodes this
13282 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13284 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
13287 * gencodes.c (output_predicate_decls): Fill empty initializer
13290 2001-01-04 Jakub Jelinek <jakub@redhat.com>
13292 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
13293 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
13295 (do_include): Handle missing headers like cpp0.
13296 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
13297 paths with first include pathname. Don't strcat to uninitialized
13300 2001-01-04 Bernd Schmidt <bernds@redhat.com>
13302 * regrename.c (regrename_optimize): Don't rename from frame pointer
13303 if frame_pointer_needed.
13304 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
13305 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
13306 (ia64_reorg): Use it instead of scheduling if ! optimize.
13307 (errata_emit_nops): Properly call asm_noperands.
13308 (ia64_sched_reorder): Finish cycle if we see an asm.
13309 (ia64_variable_issue): Clear scheduling state after asms.
13311 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
13313 * cpp.texi: Update for -MT.
13314 * cppinit.c (initialize_dependency_output): Add a default
13315 target if none has been given already.
13316 (no_tgt, OPT_MT): New.
13317 (cpp_handle_option): Handle -MT. Update -M etc.
13318 * cpplib.h (struct cpp_options): Remove deps_target.
13319 * gcc.c (cpp_options): Handle -MT.
13320 * mkdeps.c (struct deps): Move from mkdeps.h.
13321 (deps_calc_target): Rename deps_add_default_target. Add a
13322 default target if none has been specified already.
13323 * mkdeps.h (struct deps): Move to mkdeps.c.
13324 (deps_calc_target): Rename deps_add_default_target.
13326 2000-01-03 Richard Henderson <rth@redhat.com>
13328 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
13330 * c-typeck.c (push_init_level): Move checks for flexible array
13331 members and zero length arrays ...
13332 (pop_init_level): ... here. Silently discard empty initializations.
13334 * varasm.c (output_constructor): Update for sizeof change to
13335 zero-length arrays.
13337 * extend.texi (Zero Length): Clarify semantics.
13339 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
13341 * configure.in (tm.h): Include isns-codes.h last.
13342 * configure: Rebuilt.
13344 2001-01-03 Richard Henderson <rth@redhat.com>
13346 * config/alpha/alpha.md (addvsi3, addvdi3): New.
13347 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
13349 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13351 * tradcpp.c (main): Make sure finclude() is called with a valid
13352 indepth value while handling -include.
13354 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
13356 * gencodes.c (output_predicate_decls): New function.
13358 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
13359 even if it is not the first time machmode.h is #included.
13360 * config/sh/sh.c (fpul_operand): Declare MODE argument.
13361 * tm.texi (PREDICATE_CODES): Document predicate declarations.
13362 * gcc.texi (Copyright): Added 2001.
13364 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
13366 * c-common.c (c_common_lang_init): New function. Warn if format
13367 warning options which only have effects when used with -Wformat
13368 are used without -Wformat.
13369 * c-common.h (c_common_lang_init): Declare.
13370 * c-lang.c (lang_init): Call c_common_lang_init.
13371 * objc/objc-act.c (lang_init): Call c_common_lang_init.
13373 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
13375 * configure.in: Check for the mktemp command.
13376 * configure: Regenerate.
13377 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
13378 $TEMP. Create temporary files with mktemp, if available at
13379 configure time; otherwise use set -C. Remove temporary files
13382 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
13384 * configure.in: Require at least texinfo 4.0. Check for whether
13385 Pod::Man is sufficiently recent to regenerate GCC manpages.
13386 * configure: Regenerate.
13387 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
13389 (GENERATED_MANPAGES): Define.
13390 (generated-manpages): New target. Depend on cpp.1 as well as
13392 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
13393 configure to generated-manpages or empty) rather than on the
13394 manpages directly. Remove execute permission from installed
13395 gcov.1 as well as cpp.1.
13396 * cpp.1, gcov.1: Regenerate.
13398 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13400 * builtins.c (expand_builtin_strncmp): Use host_integerp and
13401 tree_low_cst. Allow using cmpstrsi in more cases.
13403 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13405 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
13408 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
13410 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
13411 * Makefile.in (HOST_CFLAGS): Mention build-make.
13413 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13415 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
13418 2001-01-01 Bernd Schmidt <bernds@redhat.com>
13420 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
13423 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
13426 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
13427 reg_base_value and reg_known_value arrays.
13428 (init_alias_analysis): Add more cases to detect known values.
13429 * sched-deps.c (deps_may_trap_p): New function.
13430 (sched_analyze_2): Use it.
13432 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
13434 * combine.c (simplify_shift_const): Even if we're sign-extracting,
13435 don't discard an ASHIFTRT if we're shifting in a wider mode.
13437 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
13439 * toplev.c (rest_of_compilation): Don't print basic block information
13440 when CFG isn't up to date.
13442 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
13444 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
13445 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
13446 (UNALIGNED_SHORT_ASM_OP): Define.
13447 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
13449 2001-01-02 Mark Mitchell <mark@codesourcery.com>
13451 * fold-const.c (fold_convert): Fix typo.
13453 2001-01-02 Richard Henderson <rth@redhat.com>
13455 * c-common.h (ASM_INPUT_P): New.
13456 * c-parse.in (asm): Set it when needed.
13457 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
13458 existance of an operand.
13460 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
13462 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
13463 (dwarf2out_frame_debug_expr): Likewise.
13464 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
13466 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
13468 * i386.c (ix86_split_to_parts): Return number of part required;
13470 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
13472 (ix86_split_long_move): Use number of part returned
13473 by ix86_split_to_parts
13474 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
13476 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
13477 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
13478 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
13479 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
13480 (ALIGN_MODE_128): Add TFmode.
13481 (IS_STACK_MODE): Likewise.
13482 (HARD_REGNO_NREGS): TFmode needs 3 registers.
13483 (HARD_REGNO_OK): Support TFmodes.
13484 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
13485 * i386.md (scheduler definitions): Use memory operand to determine
13486 fst/fld instructions; use mode attribute to determine real mode of
13488 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
13489 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
13491 2001-01-02 Mark Mitchell <mark@codesourcery.com>
13493 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
13495 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
13497 * expr.c (store_constructor_field): Update ALIGN before calling
13500 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
13502 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
13505 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
13507 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
13510 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
13512 * c-decl.c (start_function): Don't warn on third parameter to main.
13514 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13516 * tsystem.h: Define HAVE_DECL_GETOPT.
13518 2001-01-02 Philip Blundell <pb@futuretv.com>
13520 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
13523 2001-01-02 Richard Henderson <rth@redhat.com>
13525 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
13527 2001-01-02 Andreas Jaeger <aj@suse.de>
13529 * c-decl.c (c_decode_option): Remove support of
13530 -Wmissing-noreturn.
13532 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
13533 (W_options): Add -Wmissing-noreturn here.
13535 * flow.c: Define lang_missing_noreturn_ok_p.
13536 (check_function_return_warnings): Use it.
13538 * c-common.h: Declare lang_missing_noreturn_ok_p.
13540 * c-lang.c (c_missing_noreturn_ok_p): New function.
13541 (lang_init): Set lang_missing_noreturn_ok_p.
13543 * invoke.texi (Warning Options): Document this.
13545 2000-12-27 Phil Edwards <pme@sources.redhat.com>
13547 * extend.texi (C++ Extensions): New node for C++ attributes;
13548 describe init_priority and com_interface.
13549 * invoke.texi: Remove -finit-priority as it now has zero effect.
13550 * install.texi: Fix xref syntax.
13551 * md.texi: Likewise.
13553 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13555 * config.gcc (sparc64-wrs-vxworks*): New case.
13556 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
13558 * config/sparc/sparc.c (sparc_override_options): Do support different
13559 pointer and architecture size.
13560 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
13561 (POINTERS_EXTEND_UNSIGNED): Define.
13562 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
13563 (FUNCTION_MODE): Define to be Pmode.
13564 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
13566 * function.c (expand_function_end): Properly handle DECL_RESULT
13567 and copy when ptr_mode != Pmode.
13568 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
13570 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13572 * c-common.c (c_common_nodes_and_builtins): Set prototype
13573 parameters for __builtin_fputs, __builtin_fputc and
13574 __builtin_fwrite. Don't declare plain fputc as a builtin.
13576 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
13578 * loop.c (add_label_notes): Increment the label usage count when
13579 a note is added to an insn which refers to a CODE_LABEL.
13580 * gcse.c (add_label_notes): Likewise.
13582 2001-01-01 Andreas Jaeger <aj@suse.de>
13584 * loop.c (scan_loop): Use xmalloc to allocate movables.
13586 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
13588 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
13589 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
13590 * reload1.c (REGISTER_MOVE_COST): Likewise.
13591 * regclass.c (REGISTER_MOVE_COST): Likewise.
13592 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
13593 dimension. Adjust all users.
13594 (init_reg_sets_1): Iterate on all modes.
13595 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
13596 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
13597 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
13598 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
13599 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
13600 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
13601 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
13602 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
13603 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
13604 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
13605 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
13606 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
13607 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
13608 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
13609 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
13610 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
13611 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
13612 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
13613 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
13614 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
13615 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
13616 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
13617 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
13618 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
13619 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
13620 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
13621 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
13623 2001-01-01 Bernd Schmidt <bernds@redhat.com>
13625 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
13626 arg VARIES_P. Call it with extra arg.
13627 (true_dependence): Likewise.
13628 * rtl.h (rtx_addr_can_trap_p): Declare.
13629 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
13631 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
13632 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
13633 pic offset table register if it's zero. All callers changed.
13634 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
13636 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13638 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
13639 STRING_POOL_ADDRESS_P.
13641 * config/sparc/sparc.c (input_operand): Properly test for short op.
13643 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
13644 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
13645 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
13646 * config/sparc/elf.h: No longer include sol2.h.
13647 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
13648 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
13650 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
13652 2001-01-01 Michael Hayes <mhayes@redhat.com>
13654 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
13655 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
13656 (record_initial): Likewise.
13657 * unroll.c (copy_loop_body, loop_iterations): Likewise.
13658 (remap_split_bivs): Likewise.
13660 2001-01-01 Michael Hayes <mhayes@redhat.com>
13662 * loop.c (loop_ivs_free): New function.
13663 (strength_reduce): Break out from...
13665 2001-01-01 Michael Hayes <mhayes@redhat.com>
13667 * loop.h (struct iv): New.
13668 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
13669 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
13670 'reg_biv_class' fields with 'regs' and 'n_regs'.
13671 (struct ivs): Rename 'loop_iv_list' field to 'list'.
13672 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
13673 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
13675 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
13677 * resource.c (mark_referenced_resources): Abort() before
13678 attempting to mark a pseudo register.
13679 (mark_set_resources): Likewise.
13681 2001-01-01 Michael Hayes <mhayes@redhat.com>
13683 * loop.h (REG_IV_CLASS): New accessor macro.
13684 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
13685 * unroll.c (REG_IV_CLASS): Likewise.
13687 See ChangeLog.4 for earlier changes.