1 2001-06-22 Joseph S. Myers <jsm28@cam.ac.uk>
3 * doc/gcc.texi: Update documentation of source files of C
6 2001-06-22 Richard Henderson <rth@redhat.com>
8 * doc/invoke.texi (-funsafe-math-optimizations): Document its
9 possible effects at link time.
11 2001-06-22 Diego Novillo <dnovillo@redhat.com>
13 * basic-block.h (dump_edge_info): Declare.
14 (clear_edges): Declare.
15 (mark_critical_edges): Declare.
16 * flow.c (dump_edge_info): Remove static declaration.
18 (mark_critical_edges): Ditto.
19 (free_basic_block_vars): Only clear edges and free basic block
20 array if basic_block_info is not NULL.
21 * ssa.c (compute_dominance_frontiers): Remove static declaration.
22 * ssa.h (compute_dominance_frontiers): Declare.
24 2001-06-22 Toshiyasu Morita (toshiyasu.morita@hsa.hitachi.com)
26 * predict.c: (expected_value_to_br_prob): Check for const_true_rtx
27 instead of const1_rtx for true case.
29 2001-06-22 David Mosberger <davidm@hpl.hp.com>
31 * config/ia64/crtfastmath.c: New file.
32 * config/ia64/t-ia64 (EXTRA_PARTS): Include it.
33 * config/ia64/linux.h (ENDFILE_SPEC): New.
35 2001-06-22 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
37 * config/h8300/h8300.c (asm_file_start): Remove reference to
40 2001-06-22 Joseph S. Myers <jsm28@cam.ac.uk>
42 * c-common.c (verify_tree): Check for x being NULL.
43 * doc/c-tree.texi: Document COMPOUND_BODY of an empty
47 2001-06-22 DJ Delorie <dj@redhat.com>
49 * config/arm/arm.h (struct machine_function): Remove ra_rtx.
50 * config/arm/arm.c (arm_mark_machine_status): Remove ra_rtx.
51 (arm_return_addr): Use get_hard_reg_initial_val et al.
52 * config/d30v/d30v.h (struct machine_function): Remove ra_rtx.
53 * config/d30v/d30v.c (d30v_mark_machine_status): Remove ra_rtx.
54 (d30v_return_addr): Use get_hard_reg_initial_val et al.
55 * config/rs6000/rs6000.h (struct machine_function): Remove ra_rtx.
56 * config/rs6000/rs6000.c (rs6000_override_options): Don't set
58 (rs6000_mark_machine_status): Remove.
59 (rs6000_return_addr): Use get_hard_reg_initial_val.
60 (rs6000_ra_ever_killed): Use has_hard_reg_initial_val.
61 * config/v850/v850.h (INIT_EXPANDERS): Delete.
62 * config/v850/v850.c (struct machine_function): Delete.
63 (v850_init_machine_status): Delete.
64 (v850_mark_machine_status): Delete.
65 (v850_free_machine_status): Delete.
66 (v850_return_addr): Use get_hard_reg_initial_val.
67 (v850_init_expanders): Delete.
69 Fri Jun 22 19:20:59 CEST 2001 Jan Hubicka <jh@suse.cz>
71 * predict.c (estimate_bb_frequencies): Do not handle conditional
72 jumps jumping to fallthru basic block as conditional jumps.
74 Fri Jun 22 19:11:28 CEST 2001 Jan Hubicka <jh@suse.cz>
76 * regs.h (struct reg_info_def): Add freq field.
77 (REG_N_REFS): Update comment.
79 * regclass.c (scan_one_insn): Update REG_FREQ.
80 * flow.c (mark_set_1): Update REG_FREQ, make REG_N_SETS unweighted.
81 (attempt_auto_inc): Likewise.
82 (mark_used_reg): Likewise.
83 (try_pre_increment_1): Likewise.
84 * local-alloc.c (struct qty): Add freq field.
85 (alloc_qty): Set freq.
86 (update_equiv_regs): Set REG_FREQ.
87 (QTY_CMP_PRI): Use freq.
88 (combine_regs): Update qty->freq.
89 * global.c (struct allocno): Update comment for n_refs;
91 (local_reg_freq): New array.
92 (global_alloc): Update freq field;
93 allocate and initialize local_reg_freq.
94 (allocno_compare): Use freq field.
96 * reload1.c (count_pseudo): Use freq isntead of n_refs.
97 (count_spilled_pseudo): Likewise.
99 * tm.texi (GCOV_TYPE_SIZE): Document.
100 * basic-block.h (gcov_type): Define.
101 (struct edge_def): Use gcov_type for count field.
102 (struct basic_block_def): Likewise.
103 * defaults.h (GCOV_TYPE_SIZE): Define.
104 * final.c (end_final): Use GCOV_TYPE_SIZE.
105 * flow.c (dump_edge_info, dump_flow_info, dump_bb): Print count fields
106 using HOST_WIDEST_INT_PRINT_DEC.
107 * gcov-io.h (__fetch_gcov_type, __store_gcov_type, __read_gcov_type,
108 __write_gcov_type): New.
109 (store_long): Remove.
110 * gcov.c (gcov_type): Set default.
111 (struct adj_list): Use gcov_type for arc_count.
112 (bb_info): Use gcov_type for succ_count, pred_count and exec_count.
113 (create_program_flow_graph): Read arc_count properly.
114 (solve_program_flow_graph): 'total' is gcov_type.
115 (output_data): Line_counts is gcov_type, print it properly.
116 * libgcc2.c (struct bb): Counts is gcov_type.
117 (__bb_exit_func): Use __read_gcov_type and __write_gcov_type.
118 * profile.c (LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE): Set default.
119 (GCOV_TYPE_SIZE): Define.
120 (struct bb_info): succ_count and pred_count is gcov_type.
121 (compute_branch_probabilities): Use __read_gcov_type,
122 print read edges to the dump file.
123 (total): Is gcov_type.
124 (gen_edge_profiler): Use GCOV_TYPE_SIZE.
126 2001-06-14 Andrew Haley <aph@cambridge.redhat.com>
128 * optabs.c (emit_libcall_block): When using non-call exceptions,
129 don't mark libcalls never throwing.
131 2001-06-21 Stan Shebs <shebs@apple.com>
133 * objc/objc-act.c (hash_init): Use xcalloc.
135 2001-06-21 Richard Henderson <rth@redhat.com>
137 * flow.c (entry_exit_blocks): Initialize frequency.
138 (split_block): Copy it.
139 (dump_flow_info): Dump it.
141 Thu Jun 21 22:15:10 2001 J"orn Rennecke <amylaar@redhat.com>
143 * sh.c (barrier_align): Also recognize branch-around-a-jump-sequence
144 from machine-depedent_reorg for purposes of alignment supression
145 when no delay slot insn has been added.
147 2001-06-21 Neil Booth <neil@cat.daikokuya.demon.co.uk>
149 * cppmacro.c (make_string_token): Null terminate.
151 2001-06-21 DJ Delorie <dj@redhat.com>
153 * config/alpha/alpha.h (struct machine_function): Remove.
154 * config/alpha/alpha.c (integrate.h): Include.
155 (override_options): Don't set up machine_status hooks.
156 (alpha_init_machine_status): Remove.
157 (alpha_mark_machine_status): Remove.
158 (alpha_free_machine_status): Remove.
159 (alpha_return_addr): Use get_hard_reg_initial_val.
160 (alpha_gp_save_rtx): Likewise.
161 (alpha_ra_ever_killed): Use has_hard_reg_initial_val.
163 2001-06-20 Aldy Hernandez <aldyh@redhat.com>
165 * config/sh/sh.md (interrupt_function): Use
166 current_function_interrupt.
167 (define_delay): Schedule in delay slot if TARGET_SH3, even if it is
168 an interrupt function.
170 * config/sh/sh.h (current_function_interrupt): Define extern.
172 * config/sh/sh.c (current_function_interrupt): New global.
173 (sh_expand_prologue): Set current_function_interrupt.
175 2001-06-21 Phil Edwards <pme@sources.redhat.com>
177 * doc/install.texi: Add 'c' to list of --enable-languages choices.
179 2001-06-21 DJ Delorie <dj@redhat.com>
181 * integrate.c (mark_hard_reg_initial_vals): Check for NULL.
183 * integrate.c (ggc.h): Include.
184 (initial_value_pair, initial_value_struct,
185 setup_initial_hard_reg_value_integration): Add prototypes.
186 (expand_inline_function): Call
187 setup_initial_hard_reg_value_integration.
188 (has_func_hard_reg_initial_val, get_func_hard_reg_initial_val,
189 get_hard_reg_initial_val, has_hard_reg_initial_val): New functions
190 to keep track of values present at the start of a function.
191 (mark_hard_reg_initial_vals): New, for gc.
192 (setup_initial_hard_reg_value_integration): New. Sets up pseudo
193 mappings for initial values.
194 (emit_initial_value_sets): New. Emits code to set initial value
196 * integrate.h: Add prototypes for new functions.
197 * function.h (struct function): Add hard_reg_initial_vals field.
198 * function.c (integrate.h): Include.
199 (mark_function_status): Call
200 mark_hard_reg_initial_vals.
201 * toplev.c (integrate.h): Include.
202 (rest_of_compilation): Call emit_initial_value_sets.
204 2001-06-21 Stan Shebs <shebs@apple.com>
206 * doc/contrib.texi, doc/cpp.texi, doc/cppinternals.texi,
207 doc/extend.texi, doc/gcc.texi, doc/install.texi, doc/invoke.texi,
208 doc/objc.texi, doc/tm.texi: Use the correct name "Objective-C"
209 everywhere instead of "Objective C".
211 2001-06-21 Joseph S. Myers <jsm28@cam.ac.uk>
213 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
214 doc/gcc.texi, doc/install-old.texi, doc/install.texi,
215 doc/invoke.texi, doc/rtl.texi: Consistently use "front end" and
216 "back end" as nouns and "front-end" and "back-end" as adjectives.
218 Wed Jun 20 21:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
220 * predict.c (estimate_probability): Fix loop bounds.
222 Wed Jun 20 19:10:48 CEST 2001 Jan Hubicka <jh@suse.cz>
224 * toplev.c (rest_of_compilation): Run mark_constant_function
227 Wed Jun 20 19:08:18 CEST 2001 Jan Hubicka <jh@suse.cz>
229 * predict.c (estimate_loops_at_level, propagate_freq
230 estimate_bb_frequencies, count_to_freqs): New functions.
231 (estimate_probability): Call estimate_bb_frequencies.
232 * basic-block.h (basic_block_def): Add field "freq".
233 (BB_FREQ_MAX): New constant.
235 Wed Jun 20 17:02:50 2001 J"orn Rennecke <amylaar@redhat.com>
237 * sh.c (barrier_align): Don't ask for alignment when seeing a
238 branch-around-a-jump from machine_dependent_reorg.
240 Wed Jun 20 08:35:02 2001 Jeffrey A Law (law@cygnus.com)
242 * ssa.c (rename_block): Update parameter to remove_phi_alternative
243 (convert_from_ssa): Do create REG_DEAD and REG_UNUSED notes when
244 re-running life analysis.
246 2001-06-20 Stan Shebs <shebs@apple.com>
248 * objc/objc-act.c (hash_init): Assume xmalloc always succeeds,
249 also use memset to clear the hash tables.
250 (hash_enter): Assume xmalloc always succeeds.
251 (hash_add_attr): Ditto.
252 (continue_class): Ditto.
254 2001-06-20 Michael Meissner <meissner@redhat.com>
256 * builtins.c (predict.h): Include.
257 (expand_builtin_expect): Update comment.
258 (expand_builtin_expect_jump): New function to expand
259 __builtin_expect inside of a conditional jump expansion.
261 * expr.c (do_jump): Special case __builtin_expect (<test>, 0) and
262 __builtin_expect (<test>, 1).
264 * Makefile.in (builtins.o): Depend on $(PREDICT_H).
266 * rtl.h (expand_builtin_expect_jump): Add prototype.
268 2001-06-19 Geoffrey Keating <geoffk@redhat.com>
270 * doc/rtl.texi (Machine Modes): Correct description of
271 floating-point modes on machines with non-8-bit bytes.
273 2001-06-19 Bernd Schmidt <bernds@redhat.com>
275 * regmove.c (optimize_reg_copy_3): Do nothing if previous insn
276 carries a REG_EQUIV note. If it carries REG_EQUAL, delete the
279 Tue Jun 19 07:53:52 2001 Jeffrey A Law (law@cygnus.com)
281 * ssa.c (remove_phi_alternative): Remove declaration. No longer
282 static. Second argument is a pointer to a basic block structure,
283 not a basic block index.
284 (convert_to_ssa): Do not remove dead code.
285 (convert_from_ssa): Do not remove dead code to create death notes.
286 * ssa.h (remove_phi_alternative): Declare.
288 * flow.c (delete_unreachable_blocks): Fix patch error in
289 previous change (call to find_unreachable_blocks was lost).
291 * ssa.c (ssa_uses): Remove definition.
292 (apply_delayed_renames): Don't grow ssa_uses.
293 (rename_block): Remove comment related to ssa_uses.
294 (rename_registers): Do not initialize ssa_uses.
295 (convert_from_ssa): Do not free ssa_uses.
297 * ssa-dce.c: Renamed from dce.c.
298 * Makefile.in (OBJS): Replace dce.o with ssa-dce.o
299 (dependencies): Replace dce.c with ssa-dce.c and dce.o with
302 2001-06-19 Eric Christopher <echristo@redhat.com>
304 * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode
305 and DFmode are UNITS_PER_WORD and 2*UNITS_PER_WORD. Use
306 GET_MODE_BITSIZE instead of GET_MODE_SIZE/UNITS_PER_WORD.
308 Tue Jun 19 01:52:27 2001 J"orn Rennecke <amylaar@redhat.com>
310 * sh.c (output_branch): Delete bogus code.
312 * sh.c (initial_elimination_offset):
313 Fix FROM == RETURN_ADDRESS_POINTER_REGNUM case.
315 Mon Jun 18 12:50:49 2001 Jeffrey A Law (law@cygnus.com)
317 * flow.c (find_unreachable_blocks): New function.
318 (delete_unreachable_blocks): Use find_unreachable_blocks.
319 * basic-block.h (find_unreachable_blocks): Declare.
321 * dce.c (eliminate_dead_code): Fix formatting glitch.
323 2001-06-18 Jason Merrill <jason_merrill@redhat.com>
325 * c-common.h (RETURN_NULLIFIED_P): New macro.
326 * c-semantics.c (genrtl_return_stmt): Check it.
328 * expr.c (clear_storage): Set TREE_NOTHROW on the decl for memset.
329 (emit_block_move): Likewise.
331 Mon Jun 18 17:27:24 CEST 2001 Jan Hubicka <jh@suse.cz>
333 * unroll.c: Include predict.h.
334 (unroll_loop): Drop prediction notes on preconditioning.
335 * predict.def (PRED_LOOP_PRECONDITIONG, PRED_LOOP_CONDITION):
336 New; add comments on the others.
337 * Makefile.in: (unroll.o): Add dependancy on predict.h.
338 * loop.c (strength_reduce): Fix branch prediction.
340 Mon Jun 18 17:26:56 CEST 2001 Jan Hubicka <jh@suse.cz>
342 * stmt.c (emit_case_nodes): Optimize test whether index is in given
345 Mon Jun 18 15:43:10 CEST 2001 Jan Hubicka <jh@suse.cz>
347 * predict.c (estimate_probability): Do not bail out early
348 when note is present.
349 (combine_predictions_for_insn): Fix note removal code.
351 2001-06-18 Ben Elliston <bje@redhat.com>
353 * except.c (resolve_fixup_regions): Initialise "cleanup".
355 2001-06-17 Neil Booth <neil@daikokuya.demon.co.uk>
357 * tm.texi: Document STDC_0_IN_SYSTEM_HEADERS.
359 Sat Jun 16 20:20:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
361 * expr.c (expand_expr, case ADDR_EXPR): If taking address of SAVE_EXPR,
362 use put_var_into_stack.
364 2001-06-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
366 * gccspec.c (lang_specific_driver): If compiling ObjC, add
367 -shared-libgcc when necessary.
368 * Makefile.in (gccspec.o): Compile with DRIVER_DEFINES.
370 2001-06-16 Daniel Berlin <dan@cgsoftware.com>
372 * bitmap.h: Add dump_bitmap, bitmap_zero, bitmap_union_of_diffs,
373 bitmap_a_or_b, bitmap_a_and_b, bitmap_first_set_bit,
374 bitmap_last_set_bit. All for compatibility with sbitmap's.
376 *bitmap.c (bitmap_zero): New function.
377 (bitmap_union_of_diffs): New function.
378 (bitmap_first_set_bit): New function.
379 (bitmap_last_set_bit): New function.
381 2001-06-16 Neil Booth <neil@daikokuya.demon.co.uk>
383 * cpp.texi, invoke.texi: Update.
384 * cpp.1, gcc.1: Regenerate.
386 Sat Jun 16 12:45:20 CEST 2001 Jan Hubicka <jh@suse.cz>
388 * i386.md (minsf): Fix splitter. (PR fortran/3191)
390 2001-06-16 Neil Booth <neil@daikokuya.demon.co.uk>
392 * doc/cpp.texi: Update.
393 * doc/cpp.1: Regenerate.
395 2001-06-15 Loren J. Rittle <ljrittle@acm.org>
397 * doc/install.texi: Use correct markup hints.
399 Fri Jun 15 18:05:22 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
401 * function.c (gen_mem_addressof): Handle case where DECL is SAVE_EXPR.
403 * explow.c (expr_size): If DECL and size specified, use it.
405 2001-06-15 Zack Weinberg <zackw@stanford.edu>
407 * doc/cpp.texi: Formatting corrections.
408 Correct buggy example of use of __GNUC__ etc.
409 Clarify $ in identifiers.
410 * doc/cpp.1: Regenerate.
412 Fri Jun 15 19:35:38 CEST 2001 Jan Hubicka <jh@suse.cz>
414 * optabs.c (expand_twoval_binop): Avoid undefined behaviour.
416 2001-06-15 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
418 * doc/install.texi (Specific, alpha*-*-*): Fixed Tru64 UNIX
420 (Specific, alpha-*-osf1): Renamed to alpha*-*-osf*.
421 Added Tru64 UNIX V5.1 bootstrap hints.
422 (Specific, alpha*-*-osf*): Removed old section, obsolete.
424 2001-06-15 Andreas Jaeger <aj@suse.de>
426 * doc/install.texi (Specific): Mention that glibc cannot be
427 compiled with GCC 3.0.
429 2001-06-14 Andrew Haley <aph@cambridge.redhat.com>
431 * combine.c (nonzero_bits): Don't optimize away division by
434 2001-06-15 Zack Weinberg <zackw@stanford.edu>
436 * doc/cpp.texi: Revised and brought up to date.
437 * doc/cpp.1: Regenerate.
439 2001-06-15 Loren J. Rittle <ljrittle@acm.org>
441 * doc/install.texi: Update --enable-threads to match reality.
443 2001-06-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
445 * doc/install.texi: Update for C4x.
446 * README.C4X: Remove.
448 2001-06-14 Joseph S. Myers <jsm28@cam.ac.uk>
450 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
451 doc/gcc.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
452 doc/objc.texi, doc/rtl.texi, doc/tm.texi: Fix spelling and typos.
453 Consistently use "built-in" and "bit-field". Minor logical markup
455 * doc/gcc.1: Regenerate.
457 2001-06-14 Richard Henderson <rth@redhat.com>
459 * config/mips/mips.md (exception_receiver): New.
461 2001-06-14 Daniel J. Berlin <dan@cgsoftware.com>
463 * doc/gcc.texi: Update passes documentation to be more in tune
466 Thu Jun 14 15:38:28 CEST 2001 Jan Hubicka <jh@suse.cz>
468 * i386.c (ix86_expand_prologue): Fix merging conflict.
470 2001-06-14 Joseph S. Myers <jsm28@cam.ac.uk>
472 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
473 doc/gcc.texi, doc/gcov.texi, doc/install-old.texi,
474 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Use more
475 logical markup. Use TeX quotes and dashes. Use @dots{} and
476 @minus{}. Avoid spaces inside @var. Update last modification
478 * doc/gcc.1, doc/gcov.1: Regenerate.
480 Thu Jun 14 12:44:15 CEST 2001 Jan Hubicka <jh@suse.cz>
482 * i386.c (x86_accumulate_outgoing_args, x86_prologue_using_move,
483 x86_epilogue_using_move): New global variables.
484 (override_options): Enable ACCUMULATE_OUTGOING_ARGS if preferred.
485 (ix86_emit_save_regs_using_mov): New static function.
486 (ix86_expand_prologue, ix86_expand_epilogue): Use moves if preferred.
487 * i386.h (MASK_MMX, MASK_SSE, MASK_SSE2, MASK_128BIT_LONG_DOUBLE,
488 MASK_MIX_SSE_I387): Renumber.
489 (MASK_NO_ACCUMULATE_OUTGOING_ARGS): New.
490 (x86_accumulate_outgoing_args, x86_prologue_using_move,
491 x86_epilogue_using_move): Declare.
492 (TARGET_PROLOGUE_USING_MOVE, TARGET_EPILOGUE_USING_MOVE): New.
494 2001-06-13 John David Anglin <dave@hiauly1.hia.nrc.ca>
496 * inclhack.def (hpux10_cpp_pow_inline): New hack.
498 2001-06-13 Richard Henderson <rth@redhat.com>
500 * ifcvt.c (dead_or_predicable): Fix return value last patch.
502 2001-06-13 Mark Mitchell <mark@codesourcery.com>
506 2001-06-13 Richard Henderson <rth@redhat.com>
508 * ifcvt.c (cond_exec_get_condition): Use reversed_comparison_code.
509 (cond_exec_process_if_block, dead_or_predicable): Likewise.
511 2001-06-13 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
513 * mips-tfile.c (copy_object): Always pass indexNil for symbol
516 2001-06-13 Kazu Hirata <kazu@hxi.com>
518 * config/h8300/h8300.h (OK_FOR_T): Remove.
519 (EXTRA_CONSTRAINT): Do not use OK_FOR_T.
520 * config/h8300/h8300.md: Remove alternatives involving inc and dec
521 in the helper patterns for addhi3 and addsi3.
523 2001-06-13 Phil Edwards <pme@sources.redhat.com>
525 * doc/contrib.texi: Link to libstdc++'s thanks.html for now.
527 2001-06-13 Zack Weinberg <zackw@stanford.edu>
529 * Makefile.in: Move _bb and __gcc_bcmp to LIB2FUNCS_ST.
530 * libgcc-std.ver: Take out __bb* and __gcc_bcmp.
532 * config/t-slibgcc-elf-ver, config/t-slibgcc-sld,
533 config/alpha/t-osf4, config/mips/t-iris6: Extract all
534 references to @shlib_map_file@, @shlib_objs@, or
535 @shlib_base_name@ to Makefile variables.
536 Bump soname version of libgcc to 1.
538 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
540 * doc/install.texi: Use more logical markup. Include @node
541 commands in the source when generating any non-HTML.
543 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
545 * README: Remove. Some of the contents moved to ../README.
547 2001-06-13 Alexandre Oliva <aoliva@redhat.com>
549 * doc/install.texi (--enable-shared): List package names
552 2001-06-13 Alexandre Oliva <aoliva@redhat.com>
554 * doc/install.texi (ix86-*-solaris*): Removed, outdated.
555 (*-*-solaris*): Document problem in /bin/sh that affects
556 configuring libraries.
557 (sparc-*-solaris*): Recommend GNU binutils 2.11.1 or vendor tools.
558 (*-sun-solaris2.8): Document linker problem that explains why
559 libjava is disabled by default.
561 2001-06-09 Mark Mitchell <mark@codesourcery.com>
564 * toplev.c (rest_of_compilation): Remove dead code before
567 2001-06-12 Alexandre Oliva <aoliva@redhat.com>
570 2001-06-07 Nathan Sidwell <nathan@codesourcery.com>
571 * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
572 * configure: Rebuilt.
574 2001-06-12 Jim Wilson <wilson@redhat.com>
576 * loop.c (strength_reduce): Move bl->all_reduced set before
577 check_ext_dependant_givs call.
578 (check_ext_dependant_givs): Clear bl->all_reduced when ignoring givs.
580 2001-06-12 Alexandre Oliva <aoliva@redhat.com>
582 * doc/extend.texi (Function Attributes): Document SH's sp_switch
585 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
587 * doc/invoke.texi: Use more logical markup. Use TeX quotes,
590 2001-06-12 Richard Henderson <rth@redhat.com>
592 * config/i386/i386.c (ix86_expand_prologue): Always use
593 gen_pro_epilogue_adjust_stack; update arguments.
594 (ix86_expand_epilogue): Likewise.
595 (ix86_emit_epilogue_esp_adjustment): Remove.
596 (ix86_adjust_cost): Remove pro_epilogue_adjust_stack hack.
597 * config/i386/i386.md (pro_epilogue_adjust_stack): Use a BLKmode
598 clobber of scratch memory instead of a modification of EBP as the
599 barrier. Update all peepholes to match.
601 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
603 * doc/gcc.texi: Change the font used for @def... commands to a
605 * doc/extend.texi: Use more logical markup. Use "built-in"
606 instead of "builtin". Use @deftypefn to mark up built-in
607 functions; specify their types in the @deftypefn and not in the
608 descriptive text. Use TeX quotes and dashes. Add more index
611 2001-06-12 lars brinkhoff <lars@nocrew.org>
613 * gcc.texi (HOST_BITS_PER_LONGLONG): Document.
614 (DIR_SEPARATOR_2): Likewise.
616 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
618 * doc/install.texi (--exec-prefix, --bindir, --libdir,
619 --with-slibdir, --infodir, --mandir, --with-cpp-install-dir):
621 (--enable-cpp): Change to document --disable-cpp instead; update
622 to reflect current default.
623 (--without-fast-fixincludes): Remove documentation.
624 (Final install): Document installation directories in more
625 detail. Document use of make dvi.
627 Tue Jun 12 19:01:43 CEST 2001 Jan Hubicka <jh@suse.cz>
629 * recog.c (validate_replace_rtx_1): Fix previous patch.
631 Tue Jun 12 17:25:39 CEST 2001 Jan Hubicka <jh@suse.cz>
633 * recog.c (validate_replace_rtx_1): Do plus_constant call always.
635 Tue Jun 12 17:24:07 CEST 2001 Jan Hubicka <jh@suse.cz>
637 * simplify-rtx.c (simplify_subreg): Allow volatile memory
638 to be subregged in case we don't have move instruction.
640 Tue Jun 12 12:20:12 CEST 2001 Jan Hubicka <jh@suse.cz>
642 * loop.c: Include predict.h
643 (strength_reduce): Drop branch prediction note in case
644 number of iterations is known.
645 * predict.def (PRED_LOOP_ITERATIONS): new.
646 * Makefile.in (loop.o): Add dependancy on predict.h
648 2001-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
650 * c-decl.c (grokdeclarator): Use INTEGRAL_TYPE_P.
652 * c-typeck.c (c_start_case): Likewise.
654 2001-06-12 Mark Mitchell <mark@codesourcery.com>
656 * expr.c (store_field): Don't set MEM_ALIAS_SET for a field
657 in a structure at a variable address.
659 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
661 * doc/gcov.texi: Use more logical markup.
663 2001-06-11 Mark Mitchell <mark@codesourcery.com>
665 * unroll.c (initial_reg_note_copy): Use PUT_REG_NOTE_KIND and
666 REG_NOTE_KIND, not PUT_MODE and GET_MODE.
667 (final_reg_note_copy): Remove REG_WAS_0 notes that are no longer
670 2001-06-11 Stan Shebs <shebs@apple.com>
672 * darwin.h (ASM_FILE_END): Remove decl of language_string.
674 2001-06-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
676 * config/m68hc11/m68hc11.md ("*lshrdi3_const32"): Mark the clobber
677 as an early clobber to make sure it is not used by reload in
680 2001-06-11 Mark Mitchell <mark@codesourcery.com>
682 * doc/c-tree.texi: Update information about flag_honor_std.
683 * doc/install.texi: Note that binutils is required on HPUX 11.
684 * doc/invoke.texi (-fhonor-std): Note that -fno-honor-std is
687 * config/mips/abi64.h (RETURN_IN_MEMORY): Fix handling of
688 variable-sized types.
690 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
692 * doc/md.texi: Use TeX dashes and quotes.
694 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
696 * doc/rtl.texi: Reference manual chapter about trees.
698 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
700 * config/mips/iris6.h (NO_BUILTIN_WINT_TYPE): Define.
701 (WINT_TYPE): Override.
702 (WINT_TYPE_SIZE): Likewise.
703 (SUBTARGET_CPP_SIZE_SPEC): Define __WINT_TYPE__ as appropriate.
705 * config/sparc/sol2.h (WINT_TYPE): Define.
706 (WINT_TYPE_SIZE): Likewise.
708 * config/sparc/sol2-sld-64.h (NO_BUILTIN_WINT_TYPE): Define.
709 (WINT_TYPE): Override.
710 (WINT_TYPE_SIZE): Likewise.
711 (CPP_ARCH32_SPEC): Add __WINT_TYPE__ definition.
712 (CPP_ARCH64_SPEC): Likewise.
714 2001-06-11 Richard Henderson <rth@redhat.com>
716 * unwind-dw2-fde.c (__deregister_frame_info): Don't play games
717 with alias attribute.
719 * config/linux.h (CPLUSPLUS_CPP_SPEC): Use %(cpp) not $(cpp_cpu).
720 * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): Likewise.
722 2001-06-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
724 * config/rs6000/linux.h (CPLUSPLUS_CPP_SPEC): New.
726 2001-06-11 Stan Shebs <shebs@apple.com>
728 * darwin.c (darwin_encode_section_info): Rewrite to simplify
729 and fix coding mistakes.
731 2001-06-11 Nick Clifton <nickc@cambridge.redhat.com>
733 * config/m32r/m32r.md (movstrsi_internal): Do not expect a
734 return string from m32r_output_block_move.
735 * config/m32r/m32r-protos.h: Make m32r_output_block_move a
737 * config/m32r/m32r.h (INT32_P): Rename to UNIT32_P and remove
739 (ROUND_ADVANCE): Remove signed/unsigned conflict.
740 * config/m32r/m32r.c: Declare prototypes for static functions.
741 (move_src_operand): Replace INT32_P with UINT32_P.
742 (function_arg_partial_nregs): Fixed signed/unsigned conflict
743 in initialisation of 'size'.
744 (m32r_sched_reord): Remove redundant declarations of 'code'.
745 (m32r_output_block_move): Change to a void function.
746 (m32r_encode_section_info): Cast return of
747 TREE_STRING_POINTER to avoid compile time warning.
749 2001-06-11 Richard Henderson <rth@redhat.com>
751 * config/alpha/osf5.h (TARGET_LD_BUGGY_LDGP): New.
752 * config/alpha/alpha.h (TARGET_LD_BUGGY_LDGP): Default.
753 (struct machine_function): Add gp_save_rtx.
754 * config/alpha/alpha.c (alpha_mark_machine_status): Mark it.
755 (alpha_gp_save_rtx): New.
756 * config/alpha/alpha-protos.h: Declare it.
757 * config/alpha/alpha.md (exception_receiver): Make an expander.
758 Use alpha_gp_save_rtx if TARGET_LD_BUGGY_LDGP.
760 2001-06-11 Richard Henderson <rth@redhat.com>
762 * config/alpha/osf.h (LINK_SPEC): Hide _GLOBAL_* symbols.
764 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
766 * configure.in: Align --help messages.
767 Remove trailing full stops.
768 Consistently use lower case.
769 Fix DWARF 2 spelling.
770 * configure: Rebuilt.
772 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
774 * config/alpha/alpha.h (CPP_SPEC): Don't define __LANGUAGE_C and
775 variants for .cpp/.cp/.c++ files.
776 Move definition of __LANGUAGE_C_PLUS_PLUS ...
777 (CPLUSPLUS_CPP_SPEC): ... here.
779 Mon Jun 11 15:47:45 CEST 2001 Jan Hubicka <jh@suse.cz>
781 * jump.c (duplicate_loop_exit_test): Fix loop header heuristics.
783 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
785 * c-decl.c (store_parm_decls): When comparing types in an
786 old-style function declaration with those from a previous
787 prototype, compare the unqualified versions of parameter types.
790 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
792 * doc/objc.texi: Use more logical markup. Use TeX dashes.
794 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
796 * doc/c-tree.texi: Use more logical markup.
798 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
800 * c-decl.c (xref_tag): Don't return previous tags of wrong type.
802 2001-06-11 Aldy Hernandez <aldyh@redhat.com>
804 * loop.c (scan_loop): Do not combine asm statements.
806 2001-06-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
808 * simplify-rtx.c (simplify_subreg): Fix offset calculation
809 for complex values within a CONCAT.
811 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
813 * doc/install.texi: Update details of what components are included
814 in the GCC distribution. Update default directory for g++
815 includes. Update documentation relating to old libio. Adjust
816 documentation on DejaGnu environment variables. Remove
817 documentation of --enable-cpplib.
819 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
821 * doc/contrib.texi: Fix alphabetical order. Fix typos. Improve
824 2001-06-10 Richard Henderson <rth@redhat.com>
826 * ifcvt.c (life_data_ok): New.
827 (merge_if_block): Use it to determine whether to update
829 (if_convert): Set it.
831 2001-06-10 Richard Henderson <rth@redhat.com>
833 * config/alpha/osf5.h (ASM_OLDAS_SPEC): Add -c.
835 2001-06-10 Alexandre Oliva <aoliva@redhat.com>
837 * doc/invoke.texi (MN10300 Options): Document -mno-crt0.
838 (SH Options): Document -mieee.
839 * doc/install.texi (Final install): Remove obsolete information
840 about installing cross compilers.
841 * doc/gcc.1: Rebuilt.
843 2001-06-10 Richard Henderson <rth@redhat.com>
845 * config/alpha/alpha.c (override_options): Set align_loops,
846 align_jumps, and align_functions.
847 * config/alpha/alpha.h (FUNCTION_BOUNDARY): Set to 32 bits.
848 (LOOP_ALIGN, LABEL_ALIGN_AFTER_BARRIER): Remove.
850 2001-06-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
852 * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode and DFmode
853 are one and two words in size.
855 2001-06-10 Richard Henderson <rth@redhat.com>
857 * doc/invoke.texi (Optimization Options): Document -fpeephole2.
858 (Code Generation Options): Document -fnon-call-exceptions.
860 2001-06-10 Mark Kettenis <kettenis@gnu.org>
862 * config/i386/gnu.h (MD_FALLBACK_FRAME_STATE_FOR): Undefine.
864 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
866 * m68hc11.md (peepholes): Remove unused and wrong peepholes.
868 2001-06-10 Mark Mitchell <mark@codesourcery.com>
869 Gabriel Dos Reis <gdr@codesourcery.com>
871 * Makefile.in (c-parse.o): Depend on diagnostic.h
872 (dwarf2out.o): Likewise.
874 * dwarf2out.c: #include diagnostic.h
876 * toplev.h (warningcount, errorcount, sorrycount): Remove
879 * toplev.c (warningcount, errorcount, sorrycount): Remove
882 * diagnostic.h (struct output_buffer): Reorder fields.
883 (diagnostic_kind_count): New macro.
884 (errorcount, warningcount, sorrycount): Define as macros.
885 (diagnostic_report_warnings_p): New macro.
886 (output_state): Add diagnostic_count field.
888 * diagnostic.c (warningcount, errorcount, inhibit_warnings):
889 Remove tentative declaration.
890 (count_error): Use diagnostic_report_warnings_p.
892 * c-parse.in: #include diagnostic.h
894 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
896 * config/m68hc11/m68hc11.md ("extendhisi2"): Fix constraints to
897 prefer a memory for operand 1.
898 ("*addsi3"): Fix constraints, the '!' was too strong.
899 ("*addsi3_split"): Accept soft register and split accordingly.
901 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
903 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
904 Move definition in the RTX_CODE section.
906 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
908 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Define the return
909 address as relative to the argument pointer.
911 Sun Jun 10 10:58:53 CEST 2001 Jan Hubicka <jh@suse.cz>
913 * predict.def (PRED_OPCODE): Place before call and error_return.
915 Sun Jun 10 10:00:17 CEST 2001 Jan Hubicka <jh@suse.cz>
917 * predict.def (PRED_CALL, PRED_ERROR_RETURN): New.
918 * predict.c (estimate_probability): Calculate dominance
919 information; improve detection of NORETURN heuristics;
920 add call/error_return heuiristics; tweak comparison heuristics
923 2001-06-09 Alexandre Oliva <aoliva@redhat.com>
925 * doc/invoke.texi (C Dialect Options): Document -aux-info.
926 (Debugging Options): Document -print-multi-directory and
928 * doc/gcc.1: Rebuilt.
930 * toplev.c (independent_decode_option): Require `=' between
931 `-aux-info' and filename in the same argument.
932 * gcc.c: Don't pass -aux-info=filename twice.
934 2001-06-09 Mark Mitchell <mark@codesourcery.com>
936 * expr.c (expand_expr, case ARRAY_REF): Do not replace
937 an array element with the known initializing value if it has
940 * toplev.c (rest_of_compilation): Remove dead code before
943 2001-06-09 Neil Booth <neil@daikokuya.demon.co.uk>
945 * cppinit.c (print_help): Document -fpreprocessed.
946 * invoke.texi: Similarly.
948 Sun Jun 10 00:35:37 CEST 2001 Jan Hubicka <jh@suse.cz>
950 * predict.def: New file.
951 * predict.h: New file.
952 * predict.c: Include predict.h.
953 (predictor_info): New structure and array.
954 (predict_edge, predict_insn): Rewrite; make global.
955 (predict_edge_def, predict_insn_def): New global functions.
956 (dump_prediction, combine_predictions_for_insns): New
958 (estimate_probability): Change calls to predict_edge
959 to predict_edge_def and calls to predict_insn to predict_insn_def;
960 combine probabilities.
961 (expected_value_to_br_prob): Behave as predictor.
962 * rtl.h (REG_BR_PRED): Update coment.
963 (invert_br_probabilities): New.
964 * jump.c: Include predict.h
965 (duplicate_loop_exit_test): Drop branch prediction notes.
966 (invert_jump): Use invert_br_probabilities.
967 * Makefile.in: Add dependancy on predict.h for jump and predict pass.
968 * ifcvt.c (dead_or_predicable): Use invert_br_probabilities.
969 * combine.c (distribute_notes): Handle BR_PRED.
971 Sat Jun 9 23:29:41 CEST 2001 Jan Hubicka <jh@suse.cz>
973 * predict.c (predict_insn, predict_edge): New static functions.
974 (estimate_probability): Revamp to use new functions;
975 fix loop header heruistics; add loop exist heruistics
977 2001-06-09 Alexandre Oliva <aoliva@redhat.com>
979 * config.gcc: Re-enable bi-arch sparc on Solaris 7 and above.
981 2001-06-09 Peter Jakubek <pjak@snafu.de>
983 * config/m68k/m68k.md (ashrdi_const): Fix right shift by 16.
985 2001-06-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
987 * vax.h (NOTICE_UPDATE_CC): Set CC_NO_OVERFLOW in cc_status.flags
988 for integer operations that don't update C bit.
990 2001-06-09 Nicola Pero <nicola@brainstorm.co.uk>
992 * gthr-posix.h (__gthread_objc_init_thread_system): If
993 pthread_key_create fails, it's not clear what the return value is.
994 This obvious fix makes sure it always returns -1 if a problem
997 2001-06-09 Joseph S. Myers <jsm28@cam.ac.uk>
999 * doc/gcc.texi: Use @defcodeindex for the index of options. Add
1000 more index entries. Use more logical markup where appropriate.
1001 Use TeX quotes and dashes.
1003 2001-06-09 Benjamin Kosnik <bkoz@redhat.com>
1005 * unwind-pe.h: Conditionally qualify references to abort with
1008 2001-06-09 Julian Foad <julian_foad@hotmail.com>
1010 * doc/invoke.texi: Remove superfluous text.
1012 2001-06-08 Richard Henderson <rth@redhat.com>
1014 * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): New.
1015 (LIB_SPEC): Mirror config/linux.h version.
1017 2001-06-08 Richard Henderson <rth@redhat.com>
1019 * except.c (get_exception_pointer, get_exception_filter): Take a
1020 struct function. Update all callers.
1021 * except.h (get_exception_pointer): Update declaration.
1022 * expr.c (expand_expr): Update get_exception_pointer call.
1023 * integrate.c (expand_inline_function): Remap the exception pointer
1024 from callee to caller.
1026 2001-06-08 Mark Mitchell <mark@codesourcery.com>
1028 * c-decl.c (grokdeclarator): Make the TREE_TYPE for declarations
1029 accurately reflect its cv-qualification.
1030 * c-typeck.c (type_lists_compatible_p): Ignore the top-levl
1031 cv-qualifiers on function types.
1033 2001-06-08 Mark Mitchell <mark@codesourcery.com>
1035 * basic-block.h: Improve comments.
1036 * except.c (expand_eh_region_end_allowed): Remove redundant call
1037 to do_pending_stack_adjust.
1038 * flow.c (life_analysis): Fix typo in comment.
1039 (calculate_global_regs_live): Add documentation.
1040 (mark_set_1): Likewise.
1041 (debug_regset): Likewise.
1042 * doc/rtl.texi (cond_exec): Document it.
1044 Fri Jun 8 21:52:51 CEST 2001 Jan Hubicka <jh@suse.cz>
1046 * i386.h (CONST_COSTS): set cost of constants representable in
1047 immediate fields to 0.
1049 Fri Jun 8 21:34:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1051 * function.c (diddle_return_value): Kill code to determine
1052 return value before expand_function_end.
1053 (expand_function_end): Delay call to clobber_return_register
1054 after fucntion return value is computed.
1056 Re-install temporary reverted patch:
1057 * toplev.c (rest_of_compilation): Call split_all_insns
1058 before reg-stack and shorten-branches. Do shorten-branches
1060 * final.c (shorten_branches): Remove insn splitting code.
1062 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1064 * doc/gcc.texi, doc/invoke.texi: Add index of command line
1065 options. Use @opindex to index them rather than other indexing
1066 commands. Use @var{...} instead of <...>. Avoid spaces in names
1067 inside @var. Don't use @kindex to index escape sequences in
1070 2001-06-08 Jason Merrill <jason_merrill@redhat.com>
1072 * stmt.c (current_nesting_level): New fn.
1073 * tree.h: Declare it.
1074 * c-semantics.c (genrtl_compound_stmt): Use it.
1076 * dbxout.c (dbxout_symbol): Use DECL_RTL_SET_P.
1078 2001-06-08 Jakub Jelinek <jakub@redhat.com>
1080 * jump.c (mark_modified_reg): Allow jump threading if condition
1081 codes are represented by a hard register.
1083 2001-06-08 Jakub Jelinek <jakub@redhat.com>
1085 * config/ia64/ia64.c (ia64_function_arg): Use [SDT]Fmode as gr_mode
1086 for complex floats passed to unprototyped functions.
1088 2001-06-08 Mark Mitchell <mark@codesourcery.com>
1090 * except.c (expand_eh_region_end_allowed): Call
1091 do_pending_stack_adjust as necessary.
1093 Fri Jun 8 14:16:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1095 * function.c (clobber_return_register): Clobber the pseudo return
1098 * sibcall.c (skip_unreturned_value): New function.
1099 (call_ends_block_p): Use it.
1101 * recog.c (split_insn): Break out from ...
1102 (split_all_insns): ... here; do not use basic block information
1105 Thu Jun 7 18:27:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1107 * simplify-rtx.c (simplify_subreg): Fix verification of
1110 2001-06-08 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1112 * config/mips/mips.h (CPP_SPEC): Simplify .s/.S handling.
1113 Don't define _LANGUAGE_C and variants for .cpp/.cp/.c++ files.
1114 Move definition of _LANGUAGE_C_PLUS_PLUS ...
1115 (CPLUSPLUS_CPP_SPEC): ... here.
1116 Fixes PRs c++/3047, target/441.
1118 2001-06-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1120 * doc/install.texi2html (MAKEINFO): Keep value if set already.
1122 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1124 * doc/gcc.texi: Add trailing slash to URL.
1126 2001-06-07 Stan Shebs <shebs@apple.com>
1128 * config/darwin.h (ENCODE_SECTION_INFO): Define.
1129 (REDO_SECTION_INFO_P): Ditto.
1130 (STRIP_NAME_ENCODING): Ditto.
1131 (ASM_DECLARE_OBJECT_NAME): Use ENCODE_SECTION_INFO.
1132 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Ditto.
1133 (ASM_OUTPUT_LABELREF): Use STRIP_NAME_ENCODING.
1134 (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Ditto.
1135 * config/darwin.c: No longer include c-tree.h.
1136 (machopic_classify_ident): Rewrite to use symbol encoding.
1137 (lookup_name_darwin): Remove.
1138 (machopic_non_lazy_ptr_name): Handle encoded symbols.
1139 (machopic_stub_name): Use STRIP_NAME_ENCODING.
1140 (machopic_validate_stub_or_non_lazy_ptr): Ditto.
1141 (machopic_finish): Ditto, remove test of decl.
1142 (update_non_lazy_ptrs): New function.
1143 (darwin_encode_section_info): New function.
1144 * config/darwin-protos.h: Declare it.
1145 * config/rs6000/rs6000.c (machopic_output_stub): Use
1146 STRIP_NAME_ENCODING.
1148 2001-06-07 Mark Mitchell <mark@codesourcery.com>
1150 * tree.h (DECL_SOURCE_FILE): Improve documentation.
1151 (DECL_SOURCE_LINE): Likewise.
1153 2001-06-07 Loren J. Rittle <ljrittle@acm.org>
1155 * config/alpha/elf.h (MAKE_DECL_ONE_ONLY): Copy definition
1156 from config/elfos.h.
1158 2001-06-07 Phil Edwards <pme@sources.redhat.com>
1160 * linux.h (CPLUSPLUS_CPP_SPEC): Move -D_GNU_SOURCE to here.
1161 * pa/pa-linux.h: Allow CPLUSPLUS_CPP_SPEC to remain.
1163 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1165 * doc/contrib.texi: Add copyright notice.
1167 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1169 * doc/md.texi: Use four digit years in copyright notice.
1171 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1173 * config.gcc: For $target_alias of athlon-*, set
1174 target_cpu_default2=5.
1176 Thu Jun 7 16:17:40 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1178 * global.c (build_insn_chain): Allow ADDR_VEC or ADDR_DIF_VEC after
1179 end of last block if last real insn is a JUMP_INSN.
1181 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
1185 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1187 * gthr-posix.h (__gthread_objc_thread_detach): Simply cast
1188 pthread_t to objc_thread_t.
1189 (__gthread_objc_thread_id): Likewise.
1191 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1193 * alpha/osf5.h (CPP_XFLOAT_SPEC): Override default definition.
1194 (ASM_OLDAS_SPEC): Likewise.
1196 * alpha/osf.h (CPP_XFLOAT_SPEC): Define.
1197 (CPP_SUBTARGET_SPEC): Use it.
1198 (ASM_OLDAS_SPEC): Define.
1200 (SUBTARGET_EXTRA_SPECS): Define, declare the new specs above.
1202 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1204 * config/alpha/alpha.c (alpha_va_arg): Handle TFmode, TCmode args,
1205 passed by reference.
1207 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
1209 * doc/tm.texi (TARGET_SWITCHES, TARGET_OPTIONS): Adjust markup.
1210 Document use of N_(...), and show it in examples. Note that
1211 documentation should be added to invoke.texi. Avoid an overfull
1214 Thu Jun 7 17:09:50 CEST 2001 Jan Hubicka <jh@suse.cz>
1216 * toplev.c (rest_of_compilation): Revert previous patch.
1217 * final.c (shorten_branches): Likewise.
1219 2001-06-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1221 * pself.c, pself1.c, pself2.c, pself3.c, pself4.c, pself5.c:
1224 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
1226 * doc/install-old.texi: Remove more obsolete documentation.
1228 Thu Jun 7 13:20:14 CEST 2001 Jan Hubicka <jh@suse.cz>
1230 * expr.c (copy_blkmode_from_reg): Fix operand_subword_force call.
1232 Thu Jun 7 12:12:58 CEST 2001 Jan Hubicka <jh@suse.cz>
1234 * toplev.c (rest_of_compilation): Call split_all_insns
1235 before reg-stack and shorten-branches. Do shorten-branches
1237 * final.c (shorten_branches): Remove insn splitting code.
1239 2001-06-07 Nathan Sidwell <nathan@codesourcery.com>
1241 * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
1242 * configure: Rebuilt.
1244 2001-06-07 Andreas Jaeger <aj@suse.de>
1246 * emit-rtl.c (operand_subword): Remove unused variable.
1248 Wed Jun 6 14:51:05 CEST 2001 Jan Hubicka <jh@suse.cz>
1250 * i386.md (floatdi?f): Avoid usinf of SSE instructions
1251 if TARGET_64BIT is false.
1252 (floatdi?f_i386_only): New insn.
1253 (floatdi?f_i386): Disable for !TARGET_64BIT.
1255 * (min?f, max?f splitters): Handle case where
1256 operands are cross-matched.
1258 * i386.h (HI_REGISTER_NAMES): Remove redundant definition
1259 (MMX_REGISTER_NAMES): Kill.
1260 (PRINT_OPERAND): Fix comment.
1261 (PRINT_REG): Likewise.
1262 * i386.c (print_reg): Kill support for 'm' CODE; simplify.
1263 (print_operand): Update comment; kill 'm'.
1265 * i386.c (x86_branch_hints): New global variable
1266 (print_operand): Support outputting of branch prediction hints.
1267 * i386.md (conditional jump patterns): Add branch prediction hints
1269 * i386.h (x86_branch_hints): Declare
1270 (TARGET_BRANCH_PREDICTION_HINTS): New macro.
1271 (PRINT_OPERAND_FUNCT_VALID_P): New.
1272 * final.c (final_forward_branch_p): New function.
1274 2001-06-06 Richard Henderson <rth@redhat.com>
1276 * flow.c (mark_used_reg): Clean up looping over multiple hard
1277 registers. Do conditional life bits across multiple hard regs.
1279 2001-06-05 Jeffrey D. Oldham <oldham@codesourcery.com>
1281 * reload1.c (reload): Revert Schmidt's change so all USEs are not
1282 deleted during reload.
1284 2001-06-05 Mark Mitchell <mark@codesourcery.com>
1286 * c-semantics.c (genrtl_scope_stmt): Write out nested inline
1287 functions here, instead of ...
1288 * c-decl.c (c_expand_body): ... here.
1290 2001-06-05 David O'Brien <obrien@FreeBSD.org>
1292 * config.gcc, config/sparc/bsd.h: Do not directly include
1293 sparc/sparc.h. Instead do it via tm_file.
1295 2001-06-05 Richard Henderson <rth@redhat.com>
1297 * dwarf2.h (DW_EH_PE_aligned): New.
1298 * dwarf2asm.c (eh_data_format_name): Name it.
1299 (dw2_asm_output_encoded_addr_rtx): Align for it.
1300 * dwarf2out.c (output_call_frame_info): Handle it for personality
1301 routine and LSDA pointers.
1303 * unwind-pe.h (DW_EH_PE_aligned): New.
1304 (base_of_encoded_value): Handle it.
1305 (read_encoded_value_with_base): Likewise.
1306 * unwind-dw2-fde.c (base_from_object): Likewise.
1307 (get_cie_encoding): Likewise.
1309 * config/alpha/elf.h: Remove ecoff commentary.
1310 * config/alpha/osf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1312 2001-06-05 David O'Brien <obrien@FreeBSD.org>
1314 * config.gcc, config/i386/bsd386.h: Do not directly include
1315 i386/386bsd.h. Instead do it via tm_file.
1317 2001-06-05 David O'Brien <obrien@FreeBSD.org>
1319 * elfos.h (USING_ELFOS_H): Identify the use of elfos.h in the same
1322 2001-06-05 Pascal Obry <obry@act-europe.fr>
1324 * configure.in: Quote $enable_win32_registry in case the value has
1328 2001-06-05 Mark Mitchell <mark@codesourcery.com>
1330 * print-rtl.c (xspaces): Remove.
1331 (print_rtx): Use printf field-width, rather than xpsaces, to
1333 * toplev.c (main): Disable sibling-call optimization if we are
1334 handling exceptions.
1336 2001-06-05 Bernd Schmidt <bernds@redhat.com>
1338 * reload1.c (reload): Delete all USEs generated during reload.
1340 2001-06-05 scott snyder <snyder@fnal.gov>
1342 * gccbug.in: Fix typo.
1344 2001-06-05 Andreas Jaeger <aj@suse.de>
1346 * builtins.def: Fix definition of __builtin_cosf, it uses float as
1347 parameter and return value.
1349 2001-06-04 Anthony Green <green@redhat.com>
1351 * config/sparc/elf.h (CPP_PREDEFINES): Don't assert cpu or
1352 machine. This is now done in sparc.h.
1354 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
1356 Correct CVS resurrection of invoke.texi.
1357 * doc/invoke.texi: Document new tree dump flags.
1359 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
1361 * c-typeck.c (build_c_cast): Use TYPE_MAIN_VARIANT when checking
1362 for casting an aggregate to its own type. Fixes PR c/2735.
1364 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
1366 * doc/texinfo.tex: Update to version 2001-05-24.08.
1368 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
1370 * c-common.h (flag_dump_translation_unit): Remove.
1371 (enum tree_dump_index): Define.
1372 (TDF_ADDRESS, TDF_SLIM): New #defines.
1373 (dump_node_to_file): Remove.
1374 (dump_node): Make extern. Add flags.
1375 (dump_flag, dump_enabled_p, dump_begin, dump_end,
1376 dump_switch_p): Prototype.
1377 * c-common.c (flag_dump_translation_unit): Remove.
1378 * c-decl.c (c_decode_option): Remove -fdump-translation-unit
1379 logic. Use dump_switch_p.
1380 * c-dump.h (struct dump_info): Add node and user fields.
1381 (dump_pointer): Declare.
1382 * c-dump.c (dump_node): Make extern. Add flags.
1383 (SOL_COLUMN, EOL_COLUMN, COLUMN_ALIGNMENT): New #defines.
1384 (dump_new_line, dump_maybe_newline): Use them.
1385 (dump_pointer): New function.
1386 (dequeue_and_dump): Check TDF_SLIM before dumping a _DECL's
1387 chain or function's body. Dump address, if TDF_ADDRESS set.
1388 (dump_flag): Define.
1389 (dump_node_to_file): Remove.
1390 (struct dump_file_info): New struct.
1391 (dump_files): New array.
1392 (dump_begin, dump_end, dump_enabled_p, dump_switch_p): Define.
1393 * c-lang.c (finish_file): Adjust dumping.
1394 * toplev.h (dump_base_name): Make extern.
1395 * invoke.texi: Document new flags.
1397 2001-06-04 Mark Mitchell <mark@codesourcery.com>
1399 * c-tree.h (lang_decl): Add pending_sizes fields.
1400 * c-decl.c (store_parm_decls): Save pending_sizes away for nested
1402 (c_expand_body): Expand them.
1403 (lang_mark_tree): Mark lang_decl:pending_sizes.
1404 * function.c (expand_pending_sizes): New function, broken out
1406 (expand_function_start): ... here.
1407 * tree.h (expand_pending_sizes): Declare it.
1409 2001-06-04 Loren J. Rittle <ljrittle@acm.org>
1411 * doc/install.texi: Update FreeBSD information. Generalize
1412 and update information for alpha-based platforms using ELF.
1414 2001-06-04 John David Anglin <dave@hiauly1.hia.nrc.ca>
1416 * c-decl.c (get_parm_info): Use INTEGRAL_TYPE_P.
1417 (store_parm_decls): Likewise.
1418 * c-typeck.c (convert_arguments): Likewise.
1420 2001-06-04 Richard Henderson <rth@redhat.com>
1422 * sibcall.c (optimize_sibling_and_tail_recursive_call): Suppress
1423 optimization if current_function_calls_setjmp.
1425 2001-06-04 Joseph S. Myers <jsm28@cam.ac.uk>
1427 * doc/c-tree.texi: Fix documentation of TREE_STRING_LENGTH for
1430 Mon Jun 4 20:44:25 CEST 2001 Jan Hubicka <jh@suse.cz>
1432 * simplify-rtx.c (simplify_subreg): Fix combining of
1433 paradoxical subregs.
1435 Mon Jun 4 20:15:25 CEST 2001 Jan Hubicka <jh@suse.cz>
1437 * rtlanal.c (rtx_unsable_p): ADDRESSOF is stable.
1438 (no_labels_between_p): Short circuit case beg==end.
1440 Mon Jun 4 20:03:05 CEST 2001 Jan Hubicka <jh@suse.cz>
1442 * rtlanal.c (operand_preference): Fix preference for objects.
1444 Mon Jun 4 20:00:40 CEST 2001 Jan Hubicka <jh@suse.cz>
1446 * gcse.c (handle_avail_expr): Be prepared to handle single_set
1449 Mon Jun 4 19:59:46 CEST 2001 Jan Hubicka <jh@suse.cz>
1451 * combine.c (if_then_else_cond): Use simplify_subreg instead
1453 * integreate.c (sub_constants): Likewise.
1455 Mon Jun 4 19:59:12 CEST 2001 Jan Hubicka <jh@suse.cz>
1457 * emit-rtl.c (constant_subword): Deprecate; remove most of code
1458 and use simplify_gen_subreg.
1460 Mon Jun 4 19:55:23 CEST 2001 Lars Brinkhoff <lars@nocrew.org>
1462 * sibcall.c (skip_copy_to_return_value): recognize the situation
1463 when the called function's return value is copied into an
1464 intermediate pseudo, and then into the calling functions return
1467 Mon Jun 4 16:50:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1469 * simplify_rtx.c (simplify_subreg): Keep subregs on return values,
1470 check CLASS_CANNOT_CHANGE_MODE before avoiding subreg on hard reg,
1471 in case register wasn't OK previously, accept it now; allow
1472 subregs of frame pointer if reload completed and frame pointer
1475 * combine.c (sombine_simplify_rtx): Fix comment;
1476 use subreg_lowpart_offset instead of subreg_lowpart_p
1477 (gen_lowpart_for_combine): Use subreg_lowpart_offset.
1478 * rtl.h (subreg_lowpart_parts_p): Kill.
1479 (subreg_lowpart_offset, subreg_highpart_offset): Declare.
1480 * simplify-rtx.c (simplify_subreg): Use subreg_lowpart_offset.
1481 * emit-rtl.c (gen_lowpart_SUBREG): Use subreg_lowpart_offset;
1482 (gen_lowpart_common): Likewise.
1483 (subreg_lowpart_p): Likewise.
1484 (subreg_lowpart_parts_p): Kill.
1485 (subreg_lowpart_offset, subreg_highpart_offset): New function.
1487 * emit-rtl.c (gen_lowpart_common): Use simplify_gen_subreg
1488 to simplify SUBREG and REG.
1489 (gen_highpart): Use simplify_gen_subreg for all simplifications.
1491 * emit-rtl.c (gen_realpart, gen_imagpart): Do not handle
1494 * rtlanal.c (replace_regs): Use simplify_gen_subreg
1496 Mon Jun 4 09:21:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1498 * doc/c-tree.texi (ARRAY_REF): Say what type of expression must be.
1499 (ARRAY_RANGE_REF): Added description.
1501 * tree.def (ARRAY_RANGE_REF): New code.
1502 * alias.c (handled_component_p, can_address_p): Handle it.
1503 * dwarf2out.c (loc_descriptor_from_tree): Likewise.
1504 * explow.c (set_mem_attributes): Likewise.
1505 * expr.c (expand_assignment, get_inner_reference): Likewise.
1506 (expand_expr, expand_expr_unaligned, do_jump): Likewise.
1507 * fold-const.c (operand_equal_p): Likewise.
1508 * tree.c (staticp, stabilize_reference): Likewise.
1509 * varasm.c (decode_addr_const): Likewise.
1511 Sun Jun 3 21:59:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1513 * reload.c (reload_inner_reg_of_subreg): Return 1 for PLUS.
1514 (push_reload): Handle non-REG in reload_inner_reg_of_subreg case.
1516 2001-06-03 kaz Kojima <kkojima@rr.iij4u.or.jp>
1518 * gcc/config/sh/sh.c (print_operand_address, print_operand): Call
1519 mark_constant_pool_use before output_addr_const.
1520 (struct pool_node): New field wend.
1521 (add_constant): Note a sequence of constants that are referenced
1523 (pool_window_label, pool_window_last): New variables.
1524 (dump_table): Emit a unspec_volatile representing the end of a
1525 sequence of constants.
1526 (mark_constant_pool_use): New function.
1527 * gcc/config/sh/sh.md (UNSPECV_WINDOW_END): New constant.
1528 (consttable_2): Add the second operand which flags whether
1529 this consttable entry was used or not.
1530 (consttable_4, consttable_8, consttable_sf, consttable_df):
1532 (consttable_window_end): New insn.
1534 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
1536 * insn-addr.h (INSN_ADDRESSES_NEW): Make insn_uid__ unsigned.
1537 Reformat according to coding standards.
1540 * config/sh/sh.c (print_operand_address): Cast INTVAL to int.
1541 (shl_and_kind): Cast wide constant.
1542 (gen_far_branch): Define as static, as in declaration.
1543 (barrier_align): Compute cache-line length as unsigned. Add
1544 parentheses in initial credit computation.
1545 (rounded_frame_size): Add parentheses.
1546 (permanent_obstack): Remove declaration. Include ggc.h for
1547 declaration of ggc_add_root_rtx().
1548 (get_free_reg): Removed declaration of unused variable reg.
1549 (legitimize_pic_address): Mark mode argument as unused.
1551 2001-06-03 Igor Shevlyakov <igor@windriver.com>
1553 * config/sh/sh.c (output_branch): Support for insn with lenght
1554 attr 12 & 16 which represents cond branches outside +-4096 range.
1556 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
1558 * config/sh/lib1funcs.asm (ic_invalidate): Align the
1559 cache-mirroring sequence. Add nops.
1561 2001-06-03 Joseph S. Myers <jsm28@cam.ac.uk>
1563 * doc/install-old.texi: Remove more old installation
1565 * doc/install.texi: Add relevant parts here.
1567 2001-06-03 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1569 * doc/install.texi2html: New script.
1571 2001-06-03 David Edelsohn <edelsohn@gnu.org>
1573 * doc/install.texi: Update AIX information again.
1575 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1577 * doc/gcc.texi, doc/install-old.texi: Remove old system-specific
1578 installation documentation.
1579 * doc/install.texi: Move it to here.
1581 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1583 * doc/install.texi: Clean up Texinfo markup.
1585 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1587 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi: Move contents
1588 to just after title page.
1590 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1592 * doc/install-old.texi: Remove documentation of some configuration
1594 * doc/install.texi: Add relevant parts of this documentation here.
1596 2001-06-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1598 * contrib.texi: Updated entries for Mark Mitchell, Joseph S. Myers,
1599 Gerald Pfeifer, Bernd Schmidt, and Dean Wakerley.
1601 Sat Jun 2 12:23:51 CEST 2001 Jan Hubicka <jh@suse.cz>
1603 * i386.md (all uses of ext_register_operand): Make sure they are
1604 VOIDmode; replace all uses outside zero_extend.
1605 (and?i splitters): Use ext_register_operands.
1606 (test?i peep2): Remove ignored constraints.
1607 * i386.c (ext_register_operand): Check that operand is
1608 eighter pseudo or hard or 'Q' register.
1610 Sat Jun 2 06:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1612 * tree.h (struct record_layout_info_s): New field unpadded_align.
1613 (set_lang_adjust_rli): New declaration.
1614 * stor-layout.c (layout_decl): If DECL is packed, but at alignment
1615 it would have if not packed, do not downgrade DECL_ALIGN.
1616 (lang_adjust_rli, set_lang_adjust_rli): New.
1617 (start_record_layout): Initialize new field unpadded_align.
1618 (debug_rli): Display it.
1619 (place_union_field, place_field): Set it.
1620 (layout_type, case RECORD_TYPE): Call via lang_adjust_rli if set.
1622 * print-tree.c (print_node): Don't print "regdecl" when bit doesn't
1623 mean that; use proper names instead.
1624 Print DECL_NO_STATIC_CHAIN.
1626 * except.c (expand_builtin_frob_return_addr): Add missing call
1627 to convert_memory_address #ifdef POINTERS_EXTEND_UNSIGNED.
1628 (expand_builtin_eh_return): Likewise.
1629 (expand_eh_return): Clean up ptr_mode != Pmode cases.
1631 2001-06-01 Jan van Male <jan.vanmale@fenk.wau.nl>
1633 * doc/invoke.texi: Remove references to papers about sequence points
1634 to readings.html, refer to that page.
1636 2001-06-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1638 * README: Update references to installation instructions.
1640 2001-06-01 Laurent Guerby <guerby@acm.org>
1641 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1643 * doc/install.texi: Define srcdir when sources come from CVS.
1644 Significantly improve markup. Wrap overly long lines
1646 2001-06-01 DJ Delorie <dj@redhat.com>
1648 * c-tree.texi, contrib.texi, cpp.texi, cppinternals.texi,
1649 extend.texi, fdl.texi, gcov.texi, invoke.texi, md.texi,
1650 objc.texi, rtl.texi, tm.texi, texinfo.tex, gcc.1, cpp.1,
1651 gcov.1: Move to doc subdirectory.
1652 * install.texi: Move to doc/install-old.texi.
1653 * gcc.texi: Move to doc, refer to install-old.texi.
1654 * Makefile.in: Reflect move of docs to doc/.
1655 * f/Make-lang.in: Ditto.
1656 * java/Make-lang.in: Ditto.
1657 * doc/.cvsignore: New.
1659 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
1661 * invoke.texi: use two spaces between command options, eliminate
1662 some 'overfull hboxes'
1664 2001-06-01 Hans-Peter Nilsson <hp@axis.com>
1666 * Makefile.in (s-mlib): Make backtick-commands always succeed.
1667 (DRIVER_DEFINES): Ditto.
1669 2001-05-31 Richard Henderson <rth@redhat.com>
1671 * gcc.c (init_gcc_specs): When linking against libgcc_s.so,
1672 also link against libgcc.a.
1674 2001-05-31 Geoff Keating <geoffk@cygnus.com>
1676 * config/mips/mips.h (ASM_OUTPUT_ASCII): Convert to function.
1677 * config/mips/mips.c (mips_output_ascii): New function.
1678 * config/mips/mips-protos.h (mips_output_ascii): Prototype.
1680 * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Force to 4.
1682 Thu May 31 19:09:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1684 * flow.c (set_block_for_new_insns): Remove bogus shortcut.
1685 * i386.c (ix86_expand_int_movcc): Force one of operands to be register.
1687 2001-05-31 Rodney Brown <rbrown64@csc.com.au>
1689 * install.texi (Configuration): Add html links for --with-gnu-as &
1690 --with-gnu-ld and refer to them from hppa & SCO triplets.
1691 (Specific): Link back to with-gnu-ld for all ELF platfoms.
1692 (Specific): Reword AVR binutils recommendation.
1694 2001-05-30 Zack Weinberg <zackw@stanford.edu>
1696 * ggc-page.c (size_lookup): Increase minimum allocation size
1698 (ggc_print_statistics): Report size of each bin in bytes, not
1699 as its order; there is no longer a direct relationship.
1701 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
1703 * extend.texi: Fix formating of examples, eliminate some
1705 * gcc.texi: Eliminate some 'overfull hboxes'.
1706 * invoke.texi: Use two spaces between command options, eliminate
1707 some 'overfull hboxes'.
1709 2001-05-30 Richard Henderson <rth@redhat.com>
1711 * dwarf2out.c (dwarf2out_finish): Don't emit DW_AT_stmt_list at -g1.
1713 2001-05-30 Tom Tromey <tromey@redhat.com>
1715 * gcc.c (do_spec_1): In `%O' case, if we computed saved_suffix,
1716 use it in the new association.
1718 2001-05-30 Loren J. Rittle <ljrittle@acm.org>
1719 John David Anglin <dave@hiauly1.hia.nrc.ca>
1721 * gthr-posix.h (__gthread_active_ptr): Cast function pointer
1722 to target type to allow ISO C++ compiler to accept it.
1723 * gthr-dce.h (__gthread_active_ptr): Likewise.
1724 * gthr-solaris.h (__gthread_active_ptr): Likewise.
1726 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
1728 * cpplex.c (_cpp_lex_token): Revert patch of 16 May 2001
1729 so that we do accept comments in preprocessed input.
1731 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
1733 * cpphash.c (alloc_node): Cast allocated pointer.
1735 2001-05-30 Gordon Sadler <gbsadler1@lcisp.com>
1737 * invoke.texi (Option Summary): Remove -isystem-c++ from options.
1739 2001-05-29 Stan Shebs <shebs@apple.com>
1741 * gcc.texi: Add links for information about Objective-C.
1743 2001-05-29 Nathan Sidwell <nathan@codesourcery.com>
1745 * configure.in (gcc_version): Remove unrequired \ on ". (Solaris
1746 /bin/sed fails on [^\"]).
1747 (configargs.h): Likewise.
1749 2001-05-29 Hartmut Schirmer <SchirmerH@Innovative-Systems.de>
1751 * config/sh/sh.h (IDENT_ASM_OP): End with TAB, not LF.
1753 2001-05-28 Stan Shebs <shebs@apple.com>
1755 * objc/objc.gperf: Remove, no longer used.
1757 2001-05-28 Joseph S. Myers <jsm28@cam.ac.uk>
1759 * c-tree.texi, contrib.texi, cpp.texi, extend.texi, gcc.texi,
1760 gcov.texi, install.texi, md.texi, objc.texi, rtl.texi, tm.texi:
1761 Remove trailing whitespace.
1763 2001-05-28 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1765 * doc/install.texi (Specific): http://reality.sgi.com/ariel/freeware/
1766 became http://freeware.sgi.com/.
1768 2001-05-27 Geoffrey Keating <geoffk@redhat.com>
1770 * local-alloc.c (update_equiv_regs): Don't eliminate constant
1773 2001-05-27 Stan Shebs <shebs@apple.com>
1775 * objc/objc-act.c: Add/fix various comments.
1776 (init_selector): Remove, no longer used.
1777 (build_msg_pool_reference): Ditto.
1778 (objc_debug): Ditto.
1780 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
1782 * c-decl.c (init_decl_processing):
1783 Don't call start_identifier_warnings.
1784 * flags.h (warn_id_clash, id_clash_len): Remove.
1785 * stringpool.c: Don't include flags.h.
1786 (scan_for_clashes, do_identifier_warnings,
1787 start_identifier_warnings): Remove.
1788 * toplev.c (warn_id_clash, id_clash_len): Remove.
1789 (display_help): Don't document -Wid-clash.
1790 (decode_W_option): Print warning on -Wid-clash.
1791 * tree.h (start_identifier_warnings): Remove.
1792 * invoke.texi: Remove documentation of -Wid-clash.
1794 2001-05-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1796 * fixinc/fixtests.c: Declare entries in ENV_TABLE.
1798 2001-05-27 Bruce Korb <bkorb@gnu.org>
1800 * fixinc/check.tpl(HACK) add and use a Scheme variable
1801 (has no test text): error out if no "test_text" is defined
1802 * fixinc/fixincl.tpl: likewise
1803 (FIXIDX): make it an enumeration so we minimize diffs
1804 * fixinc/inclhack.def: re-alphabetize and add sort instructions
1805 * fixinc/fixincl.x: regenerate
1806 * fixinc/tests/base/stdio.h: test output got moved due to
1808 * README-fixinc: rewrite (mostly)
1810 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
1812 * cpplib.c (run_directive): Set pfile->directive.
1814 2001-05-23 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1816 * c-tree.texi: Reformat the manual as a single chapter now
1817 included by gcc.texi.
1818 * gcc.texi: Include c-tree.texi. Merge all indexes.
1819 * Makefile.in (dvi): Add generation for the cppinternals
1820 documentation. Added dependencies on fdl.texi and c-tree.texi
1821 where appropriate. Use TEXI2DVI instead of custom tex calls.
1822 (info): Added dependencies on fdl.texi and c-tree.texi where
1823 appropriate. Remove the target c-tree.info.
1825 2001-05-27 Lars Brinkhoff <lars@nocrew.org>
1827 * combine.c (try_combine): Fix typo in comment.
1828 * expr.c (expand_expr): Likewise.
1829 * config/i370/i370.md (untyped_call): Likewise.
1831 2001-05-26 Bruce Korb <bkorb@gnu.org>
1833 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
1834 when fixincl is operating in test mode
1835 * fixinc/inclhack.def(AAB_dgux_int_varargs) : aesthetics
1836 (AAB_ultrix_limits): remove redundant text
1837 (AAB_ultrix_memory): ditto
1838 (AAB_ultrix_string): ditto
1839 (djgpp_wchar_h): fix the test text
1840 (irix_stdio_va_list): add test text
1841 (irix_limits_const): add a testing output file (limits.h is overwritten)
1842 (strict_ansi_not_ctd): put limits.h second in list for same reason
1843 (solaris27_mutex_init): test text needed selection text, too
1845 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
1846 when fixincl is operating in test mode
1848 2001-05-26 Philip Blundell <philb@gnu.org>
1850 * config/c4x/c4x-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
1851 * config/i960/i960-protos.h: Likewise.
1852 * config/i370/i370-protos.h: Likewise.
1853 * config/h8300/h8300-protos.h: Likewise,
1854 * config/sh/sh-protos.h: Likewise.
1855 * config/v850/v850-protos.h: Likewise.
1857 2001-05-26 Philip Blundell <philb@gnu.org>
1859 * config/arm/arm-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
1861 2001-05-25 Zack Weinberg <zackw@stanford.edu>
1863 * toplev.c (debug_args, f_options, W_options): Mark
1864 descriptions for translation.
1865 (display_help): Translate descriptions on output.
1867 * cp/lang-options.h, f/lang-options.h, java/lang-options.h,
1868 objc/lang-options.h: Mark descriptions for translation.
1870 * aclocal.m4: Quote final argument of patsubst. Use
1871 3-argument form of AC_DEFINE. Restore quotes to [] while
1873 * configure.in: Remove unnecessary changequote calls.
1874 * configure, config.in: Regenerate.
1876 2001-05-25 Sam TH <sam@uchicago.edu>
1878 * basic-block.h: Fix header include guards.
1879 * bitmap.h c-dump.h c-lex.h c-pragma.h c-tree.h collect2.h
1880 cppdefault.h cpphash.h cpplib.h defaults.h diagnostic.h errors.h
1881 except.h flags.h gcc.h gcov-io.h graph.h gstab.h gthr-aix.h
1882 gthr-dce.h gthr-posix.h gthr-rtems.h gthr-single.h gthr-solaris.h
1883 gthr-vxworks.h gthr-win32.h gthr.h hard-reg-set.h hwint.h
1884 insn-addr.h libgcc2.h mbchar.h mkdeps.h params.h prefix.h real.h
1885 rtl.h sbitmap.h system.h timevar.h toplev.h tradcpp.h tsystem.h
1886 varray.h version.h: Likewise.
1887 * config/dbxelf.h config/fp-bit.h config/arm/arm-protos.h
1888 config/arm/arm.h config/c4x/c4x-protos.h
1889 config/h8300/h8300-protos.h config/h8300/h8300.h
1890 config/i370/i370-protos.h config/i370/i370.h
1891 config/i960/i960-protos.h config/mcore/mcore.h
1892 config/mips/mips-protos.h config/sh/sh-protos.h config/sh/sh.h
1893 config/v850/v850-protos.h config/v850/v850.h: Likewise.
1894 * fixinc/fixlib.h fixinc/server.h: Likewise.
1896 2001-05-25 Stacey Sheldon <ssheldon@Catena.com>
1898 * config/arc/initfini.c (.init): Fix typo.
1900 2001-05-25 Geoffrey Keating <geoffk@redhat.com>
1902 * config/rs6000/rs6000.md (fseldfsf4): Correct mode of operand 4.
1904 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1906 * i386/i386.h (CC1_CPU_SPEC): Clarify -m486 etc deprecation messages.
1908 2001-05-25 Richard Henderson <rth@redhat.com>
1910 * libgcc-std.ver: Export XFmode and TFmode versions of symbols.
1912 2001-05-25 Richard Henderson <rth@redhat.com>
1914 * config.gcc (all gnu and linux): Use t-slibgcc-elf-ver with t-linux.
1915 (i386-*-solaris2): Use t-slibgcc-elf-ver or t-slibgcc-sld.
1916 (sparc*-*-solaris2): Likewise.
1917 * config/t-linux: Remove shared libgcc macros.
1918 * config/t-slibgcc-elf-ver: Move from sparc/t-slibgcc.
1919 * config/t-slibgcc-sld: Move from sparc/t-slibgcc-sld.
1921 2001-05-25 Loren J. Rittle <ljrittle@acm.org>
1923 * config.gcc (*-*-freebsd*): Report bad configuration.
1925 2001-05-25 David Edelsohn <edelsohn@gnu.org>
1927 * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Do not emit any marker.
1929 * config/rs6000/aix.h (USER_LABEL_PREFIX): AIX symbols do not have
1931 (ASM_OUTPUT_LABELREF): Delete.
1933 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1935 * fixinc/inclhack.def (strict_ansi_not, strict_ansi_not_ctd,
1936 strict_ansi_only): Don't run if stdc_0_in_system_headers.
1937 * fixinc/fixincl.x: Regenerate.
1938 * fixinc/fixtests.c (stdc_0_in_system_headers_test): New function.
1939 (FIX_TEST_TABLE): Declare it.
1940 * fixinc/fixlib.h: Include config.h.
1942 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1944 * fixinc/inclhack.def (alpha___assert): Change char * args to
1945 const char * on Tru64 UNIX to avoid excessive warnings from
1947 * fixinc/fixincl.x: Regenerate.
1949 2001-05-25 Geoff Keating <geoffk@redhat.com>
1951 * dbxout.c (dbxout_symbol): Invert previous patch, which was
1952 outputting a tag only for variable-size records.
1954 2001-05-25 Jeff Knaggs <jknaggs@redhat.com>
1956 * config/alpha/alpha.md (movtf_internal): Use reg_overlap_mentioned_p
1957 instead of rtx_equal_p for early clobber test.
1959 2001-05-26 Mark Mitchell <mark@codesourcery.com>
1961 * builtins.def: Encode additional information, such as names and
1963 * builtin-types.def: New file.
1964 * builtins.c (built_in_names): Adjust use of DEF_BUILTIN.
1965 (built_in_decls): Likewise. Don't explicitly initialize global
1967 (expand_builtin_mathfn): Handle float and long double variants of
1969 (expand_builtin): Likewise.
1970 * c-common.c (c_common_nodes_and_builtins): Make it table-driven.
1971 (expand_tree_builtin): Handle long, long long, float, and long
1972 double variants of math functions.
1973 * c-common.h (c_tree_index): Remove some unused nodes.
1974 (void_ftype): Remove.
1975 (void_type_ptr): Likewise.
1976 (int_ftype_int): Likewise.
1977 (ptr_ftype_sizetype): Likewise.
1978 * c-decl.c (init_decl_processing): Remove creation of DWARF
1980 * defaults.h (MD_INIT_BUILTINS): Provide default definition.
1981 * tree.h (built_in_function): Adjust definition of DEF_BUILTIN.
1982 * Makefile.in (c-common.o): Depend on builtin-types.def.
1984 2001-05-25 Dale Johannesen <dalej@apple.com>
1986 * config/rs6000/t-darwin: Fix dependencies for darwin.o.
1988 2001-05-25 Neil Booth <neil@daikokuya.demon.co.uk>
1990 * c-parse.in (notype_initdcl): Remove redundant line.
1992 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1994 * aclocal.m4: Fixed typo.
1995 (gcc_AC_HEADER_STDBOOL): Define.
1996 (gcc_AC_C__BOOL): Define.
1997 * configure.in: Use them.
1998 (AC_CHECK_HEADERS): Remove stdbool.h
1999 * configure, config.in: Regenerate.
2001 2001-05-25 Richard Henderson <rth@redhat.com>
2003 * function.c (expand_function_start): Don't abort on PARALLEL
2004 returns from hard_function_value.
2006 2001-05-25 Richard Henderson <rth@redhat.com>
2008 * config/i386/i386.md: Revert previous change. Do not apply
2009 the peephole if the components do not die after the sequence.
2011 2001-05-25 Joseph S. Myers <jsm28@cam.ac.uk>
2013 * c-parse.in (array_declarator): New. Handle C99 constructs.
2014 Don't restrict [*] declarators to C only.
2015 (after_type_declarator, parm_declarator_starttypename,
2016 parm_declarator_nostarttypename, notype_declarator,
2017 direct_absdcl1): Use it.
2018 * c-decl.c (build_array_declarator, set_array_declarator_type):
2019 New functions. Warn that [*] isn't properly implemented; pedwarn
2020 for [*] outside C99 mode if pedantic rather than giving a hard
2022 (grokdeclarator): Handle static and type qualifiers in parameter
2024 * c-tree.h (build_array_declarator, set_array_declarator_type):
2026 * extend.texi (Attribute Syntax): Document attributes in parameter
2029 2001-05-25 Mark Mitchell <mark@codesourcery.com>
2031 * config/i386/i386.md: Make sure cmpstr peepholes do not
2032 affect liveness information.
2034 2001-05-24 Mark Mitchell <mark@codesourcery.com>
2036 * c-typeck.c (digest_init): Issue error messages about
2037 invalid constants, not warnings.
2039 2001-05-24 Mark Mitchell <mark@codesourcery.com>
2041 * invoke.texi (-fno-builtin): Document that this is always on
2044 2001-05-24 Philip Blundell <philb@gnu.org>
2046 * doc/install.texi (arm*-*-linux-gnu): Say that binutils 2.10 is
2049 2001-05-24 Philip Blundell <philb@gnu.org>
2051 * config/arm/arm.c (output_return_instruction): Correctly handle
2052 interworking and interrupt functions.
2054 2001-05-24 Philip Blundell <philb@gnu.org>
2056 * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for
2057 -m{no-}sched-prolog. Fix typos and improve formatting.
2059 2001-05-24 Philip Blundell <philb@gnu.org>
2061 * invoke.texi (ARM Options): Improve wording slightly. Add
2062 documentation for more options, including those for Thumb mode.
2063 Don't mention options that don't exist or are unimplemented.
2064 (Thumb Options): Delete; merged into above section.
2066 2001-05-24 Geoff Keating <geoffk@redhat.com>
2068 * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define.
2069 (MD_FALLBACK_FRAME_STATE_FOR): Use it.
2071 Thu May 24 19:47:19 CEST 2001 Jan Hubicka <jh@suse.cz>
2073 * simplify-rtx.c (simplify_subreg): Fix CONCAT simplification;
2074 fix hard register simplification.
2076 Thu May 24 00:15:17 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2078 * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead
2079 of just copying CPP_CPU_SPEC.
2081 Thu May 24 15:56:48 CEST 2001 Jan Hubicka <jh@suse.cz>
2083 * i386.c (incdec_operand): Accept only 1 and -1.
2085 2001-05-23 Kelley Cook <kelley.cook@home.com>
2087 * Makefile.in: Move many of the *_H definitions eariler in the
2088 file, so that rules in t-* files that use them for
2089 dependencies will work in a parallel build.
2090 * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H).
2092 2001-05-23 Richard Henderson <rth@redhat.com>
2094 * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT.
2096 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
2098 * cpp.texi: Update for handling of charconsts.
2099 * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF. Update
2100 diagnostics. Skip to the end if the UCS is too short.
2101 (cpp_interpret_charconst): Long charconsts issue a warning
2104 2001-05-23 Richard Henderson <rth@redhat.com>
2106 * doc/install.texi (alpha-linux): Require binutils 2.11.
2108 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
2110 * c-lex.c (read_escape, read_ucs): Delete.
2111 (lex_string): Use cpp_parse_escape.
2112 * cpplex.c (read_ucs): Rename maybe_read_ucs. Do nothing
2113 if not C++ or not C99. Warn if traditional.
2114 (parse_escape): Rename cpp_parse_escape. Make the bitmask
2115 unsigned. Warn for out-of-range escape sequences here.
2116 Update to use maybe_read_ucs.
2117 (cpp_interpret_charconst): Don't warn here.
2118 * cpplib.h (cpp_parse_escape): New exported function.
2120 2001-05-23 Joseph S. Myers <jsm28@cam.ac.uk>
2122 * extend.texi (Attribute Syntax): Clarify application of
2123 attributes to parameters declared as functions or arrays.
2125 2001-05-23 Jason Merrill <jason_merrill@redhat.com>
2127 * dbxout.c (dbxout_type_methods): Do still group methods by name.
2129 2001-05-23 Zack Weinberg <zackw@stanford.edu>
2131 * diagnostic.c (vnotice): Kill.
2132 (fnotice): Call vfprintf directly.
2133 (diagnostic_for_decl, output_do_verbatim, output_verbatim,
2134 verbatim, set_diagnostic_context): Rename string argument to
2135 indicate that it is run through gettext.
2136 (vbuild_message_string, build_message_string, output_do_printf):
2137 Rename string argument to indicate that it is NOT run through
2139 (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
2140 output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
2141 Run msgid argument through gettext.
2142 (default_print_error_function): Run constant strings through
2143 gettext when nothing else will.
2144 (fatal_error, internal_error, error_recursion): Use fnotice.
2145 Present complete sentences to gettext.
2147 2001-05-23 Mark Mitchell <mark@codesourcery.com>
2149 * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
2151 2001-05-23 Richard Henderson <rth@redhat.com>
2153 * function.c (expand_function_start): Always use a pseudo
2154 for the function result value.
2156 2001-05-22 Richard Henderson <rth@redhat.com>
2158 * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
2159 section pointer alignment.
2161 * doc/install.texi (alpha-linux): Require binutils >= 2.10.
2163 * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
2164 of __USER_LABEL_PREFIX__.
2166 2001-05-22 Richard Henderson <rth@redhat.com>
2168 * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favour of...
2169 (__deregister_frame_info_bases): New.
2170 * unwind-dw2-fde.h: Declare it.
2171 * libgcc-std.ver: Export it.
2172 * crtstuff.c (__do_global_dtors_aux): Call it if we would have
2173 called __register_frame_info_bases.
2175 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2177 * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair
2178 instead of #elif (which is OK for this case but not in general).
2180 2001-05-22 Andrew MacLeod <amacleod@redhat.com>
2182 * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
2183 * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
2184 parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
2185 * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
2186 "r2" to the assembly file. Only issue allocs with non-zero parameters.
2188 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2189 David O'Brien <obrien@freebsd.org>
2191 * config/freebsd.h (LIB_SPEC): Key the exact setting to
2192 configure-time options and target version of FreeBSD. Set-up
2193 to match architectural change in threading support. Correctly
2194 report when -pthread option is not supported by configure-time
2196 (FBSD_CPP_PREDEFINES): Move from architecture-specific files
2197 and extend to encode target version number in run-time setting
2198 of __FreeBSD__ macro to match the system compiler.
2199 (CPP_PREDEFINES): Likewise.
2200 (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
2202 * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
2203 * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
2205 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2206 David O'Brien <obrien@freebsd.org>
2208 * config.gcc (the unlabeled system switch statement): Add
2209 generic configuration section to handle *-*-freebsd*. Also,
2210 to match the system compiler, default to threading support (it
2211 may be disabled with the standard --disable-threads
2212 configuration-time switch).
2213 (i[34567]86-*-freebsd* in machine-specific section): Use it.
2214 (alpha*-*-freebsd* in machine-specific section): Likewise.
2216 * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
2217 * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
2218 * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
2219 * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
2220 * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
2222 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2223 David O'Brien <obrien@freebsd.org>
2225 * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
2226 * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
2227 -pthread instead setting macro.
2229 2001-05-22 Richard Henderson <rth@redhat.com>
2231 * crtstuff.c (__register_frame_info_bases): Declare.
2232 (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
2233 (__do_global_dtors_aux, __do_global_dtors): Streamline.
2235 * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
2236 (CRT_GET_RFIB_DATA): New.
2237 * config/i386/sysv4.h: Likewise.
2238 * config/i386/sco5.h: Likewise.
2239 (ASM_PREFERRED_EH_DATA_FORMAT): New.
2241 2001-05-22 Richard Henderson <rth@redhat.com>
2243 * rtl.c (read_string): Break out from ...
2244 (read_rtx): ... here.
2246 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2248 * doc/install.texi (Specific): Remove a bogus and duplicate part
2249 copied from the end of the document.
2251 2001-05-22 Bernd Schmidt <bernds@redhat.com>
2253 * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency.
2255 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2257 * install.texi: Remove obsolete information on SunOS as well as
2258 i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
2259 (Installing GNU CC on the Sun): Remove section.
2261 2001-05-22 Alexandre Oliva <aoliva@redhat.com>
2263 * cppfiles.c (remove_component_p): Don't assume lstat/stat will
2264 keep errno unchanged on success.
2266 2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk>
2268 * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
2269 once for hexadecimal floats, whether or not they contain a decimal
2270 point. Don't let the setting of pedantic otherwise affect the
2271 parsing of hexadecimal floats.
2273 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2275 * README.ACORN: Remove obsolete file.
2277 2001-05-22 Jan Hubicka <jh@suse.cz>
2279 * combine.c (gen_binary): Use swap_commutative_operands_p
2280 (simplify_comparison): Likewise.
2281 * expmed.c (emit_store_flag): Likewise.
2282 * expr.c (compare_from_rtx): Likewise.
2283 (do_compare_rtx_and_jump): Likewise.
2284 * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort
2285 if not emitting a branch and operands want swapping.
2287 2001-05-22 Neil Booth <neil@daikokuya.demon.co.uk>
2289 * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.
2290 * stringpool.c: (IS_FE_IDENT, make_identifier): Delete.
2291 (maybe_get_identifier): Update.
2292 * tree.h (make_identifier): Delete.
2294 2001-05-21 Richard Henderson <rth@redhat.com>
2296 * combine.c (subst): Do not substitute for a register as
2297 a destination subreg/strict_low_part/zero_extract.
2299 * combine.c (simplify_comparison): Update op1 after constant
2301 * recog.c (const_int_operand): Accept only constants valid
2303 * genrecog.c: Update comments wrt const_int_operand.
2305 * emit-rtl.c (init_emit_once): Zero unused memory in a
2308 2001-05-21 Mark Mitchell <mark@codesourcery.com>
2310 * tree.h (type_num_arguments): Declare it.
2311 * tree.c (type_num_arguments): New function.
2313 2001-05-21 Richard Henderson <rth@redhat.com>
2315 * dwarf2out.c (current_funcdef_number): Move outside dwarf2
2318 2001-05-21 Geoff Keating <geoffk@redhat.com>
2320 * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
2322 (minsf3): Use rs6000_emit_minmax.
2323 (minsf3+1): Generalize to handle both SMIN and SMAX. Use
2325 (movsfcc): Use rs6000_emit_cmove.
2326 (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
2327 Don't generate emit_fselsfsf4.
2328 (fseldfsf4): Likewise.
2329 (maxdf3): Use rs6000_emit_minmax.
2331 (mindf3): Use rs6000_emit_minmax.
2332 (mindf3+1): Generalize to handle both SMIN and SMAX. Use
2334 (movdfcc): Use rs6000_emit_cmove.
2335 (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
2336 Don't generate emit_fselsfsf4.
2337 (fselsfdf4): Likewise.
2338 * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
2339 (min_max_operator): New predicate.
2340 (rs6000_emit_cmove): New function.
2341 (rs6000_emit_minmax): New function.
2342 * config/rs6000/rs6000-protos.h: Prototype new functions.
2343 * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
2344 and min_max_operator.
2346 * config/rs6000/rs6000.c (output_cbranch): Handle all
2347 conditional types in the switch statement.
2349 2001-05-21 Mark Mitchell <mark@codesourcery.com>
2351 * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
2352 non-register variables.
2353 * extend.texi: Document that asm-specifications do not make sense
2354 for non-static local variables.
2356 2001-05-21 Jason Merrill <jason_merrill@redhat.com>
2358 * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
2359 (dbxout_type_fields): Lose minimal_debug support.
2360 (dbxout_type_methods, dbxout_type): Likewise.
2362 2001-05-17 Andrew Haley <aph@redhat.com>
2364 * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
2366 2001-05-21 Richard Henderson <rth@redhat.com>
2368 * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION.
2371 2001-05-20 Richard Henderson <rth@redhat.com>
2373 * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
2374 DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION,
2375 DEBUG_STR_SECTION): Rename from s/DEBUG_//. Update all users.
2376 * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
2377 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION):
2379 * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
2380 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION,
2381 DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above.
2382 (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
2383 * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
2384 DEBUG_PUBNAMES_SECTION): Rename as above.
2385 (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
2387 2001-05-20 Richard Henderson <rth@redhat.com>
2389 * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative
2390 operands unless the operation is commutative.
2392 2001-05-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2394 * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative
2397 2001-05-21 Joseph S. Myers <jsm28@cam.ac.uk>
2399 * extend.texi: Clarify documentation of extensions included in ISO
2400 C99. Prefer C99 terminology and syntax to old GNU terminology and
2401 syntax. Add more index entries. Document mixed declarations and
2402 code as an extension in C89 mode. Warn about future changes to
2403 semantics of inline functions. Fixes PR other/930.
2405 Sun May 20 16:39:24 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2407 * expr.c (expand_expr, case ARRAY_REF): Don't fold constant
2408 access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
2409 (expand_expr, case COMPONENT_REF): Do copy if misaligned even
2410 if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
2412 * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL.
2414 2001-05-20 Richard Henderson <rth@redhat.com>
2416 * sched-deps.c (sched_analyze_insn): Force volatile memory reads
2417 to be output before a branch.
2419 2001-05-20 Richard Henderson <rth@redhat.com>
2421 * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
2423 2001-05-20 Richard Henderson <rth@redhat.com>
2425 * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
2426 (ASM_DOUBLE): Remove.
2427 * config/i386/bsd.h, config/i386/sco5.h: Likewise.
2428 * config/i386/sun386.h: Likewise.
2430 * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
2431 (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
2433 * config/i386/cygwin.h (INT_ASM_OP): Remove.
2434 * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
2435 * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
2436 * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
2438 * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
2439 * config/i386/djgpp.h, config/i386/i386.h: Likewise.
2440 * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
2441 * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
2442 * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
2443 * config/i386/win32.h: Likewise.
2445 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
2447 * invoke.texi: Add more options to summary list.
2449 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
2451 * invoke.texi: Document meaning of -pedantic when -std=gnu* is
2452 used. Fixes PR c/2291.
2453 * gcc.1: Regenerate.
2455 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2457 * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
2458 the -fpic and -fPIC options, clear flag_pic.
2460 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
2462 * hashtable.c (calc_hash): Fix HASHSTEP definition.
2463 * stringpool.c (make_identifier): No statistics here anymore.
2464 * objc-act.c (steup_string_decl): Remove redundant check.
2466 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
2468 * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
2469 cpplib.o, cpphash.o, fix-header): Update.
2470 (hashtable.o): New target.
2471 * c-common.h: Include cpplib.h. Define C_RID_CODE and
2472 struct c_common_identifier here.
2473 * c-lang.c (c_init_options): Update. Call set_identifier_size.
2474 * c-lex.c (c_lex): Update.
2475 * c-pragma.h: Update.
2476 * c-tree.h (struct lang_identifier): Contain c_common_identifier.
2478 (C_RID_CODE): Delete.
2479 * cpphash.c: Rewrite to use hashtable.c.
2480 * cpphash.h: Update include guards.
2481 (struct cpp_reader): Remove hashtab.
2482 hash_ob and buffer_ob are no longer pointers. Add hash_table
2484 (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete.
2485 (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
2486 (_cpp_cleanup_stacks): Rename _cpp_init_directives.
2487 * cppinit.c (cpp_create_reader): Update.
2488 * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
2489 (cpp_interpret_charconst): Eliminate warning.
2490 * cpplib.c (do_pragma, do_endif, push_conditional,
2491 cpp_push_buffer, cpp_pop_buffer): Update.
2492 (_cpp_init_stacks): Rename cpp_init_directives.
2493 (_cpp_cleanup_stacks): Remove.
2494 * cpplib.h: Update include guards. Include tree-core.h and c-rid.h.
2495 (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
2496 cpp_forall_identifiers, cpp_create_reader): Update.
2497 (C_RID_CODE, cpp_make_node): New.
2498 (c_common_identifier): New identifier node for C front ends.
2499 * cppmain.c (main): Update.
2500 * fix-header.c (read_scan_file): Update.
2501 * flags.h (id_clash_len): Make unsigned.
2502 * ggc.h (ggc_mark_nonnull_tree): New.
2505 * stringpool.c: Update comments and copyright. Update to use
2507 * toplev.c (approx_sqrt): Move to hashtable.c.
2508 (id_clash_len): Make unsigned.
2509 * toplev.h (ident_hash): New.
2510 * tree.c (gcc_obstack_init): Move to hashtable.c.
2511 * tree.h: Include hashtable.h.
2512 (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
2513 (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
2514 (struct tree_identifier): Update.
2515 (make_identifier): New.
2517 * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
2518 (C_RID_CODE): Remove.
2519 * lex.c (cxx_init_options): Call set_identifier_size. Update.
2520 (init_parse): Don't do it here.
2522 * objc-act.c (objc_init_options): Call set_identifier_size. Update.
2524 Sat May 19 18:23:04 2001 Richard Henderson <rth@redhat.com>
2526 * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
2528 (expand_eh_return): Convert between word_mode and Pmode.
2529 * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
2531 (execute_stack_op): Likewise.
2532 (execute_cfa_program): Likewise.
2533 (uw_frame_state_for): Likewise.
2534 (uw_update_context_1): Likewise.
2535 * unwind.inc (_Unwind_Reason_Code): Likewise.
2536 * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
2537 (EH_RETURN_STACKADJ_RTX): Likewise.
2538 * config/mips/mips.c (compute_frame_size): Make space for saving
2539 EH return registers.
2540 (mips_expand_epilogue): Handle EH stack adjustments.
2541 * config/mips/mips.md (eh_return): New pattern.
2542 (eh_set_lr_si): Likewise.
2543 (eh_set_lr_di): Likewise.
2544 Add splitter to perform EH return after reload.
2546 2001-05-19 Mark Mitchell <mark@codesourcery.com>
2548 * jump.c (mark_jump_label): Tidy previous change.
2550 2001-05-19 Bruce Korb <bkorb@gnu.org>
2552 * fixinc/genfixes: no need for two warnings
2553 * fixinc/Makefile.in: open stdin for those building with a closed one.
2555 2001-05-19 Mark Mitchell <mark@codesourcery.com>
2557 * jump.c (jump_optimize_1): Tidy.
2558 (mark_jump_label): When changing the label in a LABEL_REF, change
2559 update any REG_EQUAL notes as well.
2561 2001-05-19 Joseph S. Myers <jsm28@cam.ac.uk>
2563 * c-parse.in (parm_declarator): Split into
2564 parm_declarator_starttypename and parm_declarator_nostarttypename.
2565 (parm_declarator_starttypename, parm_declarator_nostarttypename):
2566 New. Allow parenthesised sub-declarators which don't begin with a
2567 TYPENAME. Fixes PR c/166.
2569 2001-05-19 Mark Mitchell <mark@codesourcery.com>
2571 * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
2573 * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
2575 * toplev.c (main): If the target does not allow profiling without
2576 a frame pointer, issue an error message.
2577 * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
2580 Sat May 19 07:53:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2582 * recog.c (general_operand): Modify last change to allow it if reload
2585 Sat May 19 10:23:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2587 * recog.c (general_operand): Prohibit nonzero subreg bytes on
2588 subregs containing mem.
2590 Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru>
2592 * regrename.c (regrename_optimize): frame pointer register can
2595 2001-05-18 Jason Merrill <jason_merrill@redhat.com>
2597 * README.DWARF: Move into dwarfout.c.
2599 2001-05-18 Dale Johannesen <dalej@apple.com>
2601 * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
2602 specific misuse of r0 as a reload address.
2604 Fri May 18 22:42:04 CEST 2001 Jan Hubicka <jh@suse.cz>
2606 * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
2609 Fri May 18 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2611 * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
2612 (add_to_sequence): Make that decision type.
2613 (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
2614 (write_switch, write_cond, debug_decision_2): Likewise.
2616 * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
2618 (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
2621 2001-05-18 Stan Shebs <shebs@apple.com>
2623 * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
2624 * configure: Regenerate.
2626 2001-05-18 Per Bothner <per@bothner.com>
2628 Changes needed for java/jvspec.c
2629 * gcc.h (n_infiles, outfiles): Add declarations.
2630 * gcc.c (n_infiles, outfiles): Mske no longer static.
2632 Fri May 18 10:14:42 2001 Jeffrey A Law (law@cygnus.com)
2634 * config/pa/som.h (EXCEPTION_SECTION): Define.
2636 2001-05-18 Daniel Berlin <dan@cgsoftware.com>
2638 * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
2640 Add have_location_lists, a variable to determine whether we need a
2641 .debug_loc section or not.
2642 (enum dw_val_class): Add dw_val_class_loc_list.
2643 (dw_val_struct): Add val_loc_list.
2644 (dw_loc_list_struct): New structure, represents location lists.
2645 (new_loc_list): New function, return a new location list, given
2646 the range and location expression.
2647 (add_loc_descr_to_loc_list): New function, add a location
2648 expression to a location list, given the expression and range.
2649 (output_loc_list): New function, output a location list.
2650 (gen_internal_sym): Modified to take symbol prefix, so we can
2651 reuse it for location list symbols.
2652 (add_AT_loc_list): New function, add a location list to a DIE at
2653 the named attribute.
2654 (AT_loc_list): New function, return the location list reference
2655 for a given attribute, if it's a location list.
2656 (print_die): Handle dw_val_class_loc_list.
2657 (size_of_die): Ditto.
2658 (value_format): Ditto.
2659 (output_die): Ditto.
2660 (output_location_lists): New function, output all of the location
2661 lists for a DIE and it's children.
2662 (dwarf2out_finish): Call output_location_lists if we have location
2666 Fri May 18 15:39:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2668 * gcse.c (try_replace_reg): First try global replace, later try to
2669 simplify the expression.
2671 * gcse.c (find_used_regs): Change calling convention; work via
2673 (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
2675 2001-05-18 Bernd Schmidt <bernds@redhat.com>
2678 2001-02-09 Nick Clifton <nickc@redhat.com>
2679 * config/arm/arm.md: Change output constraint on post inc
2680 load/store multiple patterns to be a read/write constraint.
2682 2001-05-18 Mark Mitchell <mark@codesourcery.com>
2684 * basic-block.h (struct basic_block_def): Add documentation about
2685 what a basic block is, and what the various fields are used for.
2686 * flow.c (calculate_globlal_regs_live): Add documentation about
2687 how the algorithm works, and how we know that it will terminate.
2688 Check that the the inductive assumption that guarantees
2689 termination actually holds.
2690 (mark_used_regs): Treat conditionally set registers as used.
2691 (debug_regset): Add comment.
2692 * rtl.texi (cond_exec): Add documentation.
2694 * function.c (expand_function_start): Avoid creating BLKmode
2697 2001-05-17 Mark Mitchell <mark@codesourcery.com>
2699 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
2700 DIE, even if it has no children.
2701 (dwarf2out_finish): Always output the line-number table, even if
2704 2001-05-18 David Edelsohn <edelsohn@gnu.org>
2706 * rs6000.md (movsfcc,movdfcc): Remove NE case.
2708 2001-05-17 Bruce Korb <bkorb@gnu.org>
2710 * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
2711 * fixinc/genfixes: emit a warning if AutoGen is out of date
2713 2001-05-17 Brendan Conoboy <blc@cygnus.com>
2714 Bruce Korb <bkorb@gnu.org>
2716 * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
2717 found in fixinc directory. Facilitates binary distributions.
2719 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
2721 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
2724 Thu May 17 19:42:39 2001 Mark Kettenis <kettenis@wins.uva.nl>
2726 * dwarf2out.c (modified_type_die): Equate qualified type to die.
2728 Thu May 17 23:19:46 CEST 2001 Jan Hubicka <jh@suse.cz>
2730 * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
2731 (simplify_subreg): Handle complex types represented as CONCAT.
2733 * recog.c (validate_replace_rtx_1): Properly canonicalize expression
2734 * rtl.h (swap_commutative_operands_p): Declare.
2735 * rtlanal.c (swap_commutative_operands_p): New.
2736 (operand_preference): New static function.
2738 * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
2739 (gen_binary): Likewise.
2740 * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
2741 * simplify-rtx.c (simplify_gen_binary,
2742 simplify_gen_relational): Likewise.
2744 Thu May 17 20:43:36 CEST 2001 Jan Hubicka <jh@suse.cz>
2746 * cse.c (fold_rtx): Use simplify_subreg.
2748 * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
2749 (simplify_gen_subreg): New.
2750 (simplify_rtx): Use simplify_subreg.
2751 * rtl.h (simplify_gen_subreg): Declare.
2753 2001-05-17 Mark Mitchell <mark@codesourcery.com>
2755 * doc/install.texi: Update Solaris information.
2757 * except.h (protect_cleanup_actions): Remove it.
2758 (lang_protect_cleanup_actions): Declare it.
2759 * except.c (protect_cleanup_actions): Remove it.
2760 (lang_protect_cleanup_actions): New variable.
2761 (init_eh): Don't make protect_cleanup_actions a GC root.
2762 (expand_eh_region_and_cleanup): Call
2763 lang_protect_cleanup_actions.
2764 (output_function_exception_table): Remove unused `align'
2766 * varasm.c (assemble_external): Abort if we have not yet
2767 opened the assembly output file.
2769 Thu May 17 11:54:50 2001 Jeffrey A Law (law@cygnus.com)
2771 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
2772 for eh_personality_libfunc.
2774 Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2776 * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
2777 when calling simplify_subreg. This is needed to allow replacing
2778 of expression of one mode by expression of different mode.
2780 Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz>
2782 * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs.
2784 2001-05-17 Bernd Schmidt <bernds@redhat.com>
2786 * expr.c (protect_from_queue): Protect against subsequent calls to
2788 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
2791 Thu May 17 18:17:34 CEST 2001 Jan Hubicka <jh@suse.cz>
2793 * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
2795 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2797 * gccbug.in (CATEGORIES): Add "bootstrap".
2799 Thu May 17 16:59:41 CEST 2001 Jan Hubicka <jh@suse.cz>
2801 * simplify-rtx.c (simplify_subreg): Break out from ...
2802 * combine.c (combine_splify_rtx) ... here and ...
2803 * recog.c (validate_replace_rtx_1): ... here;
2804 * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
2805 * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
2806 (subreg_lowpart_p): ... here.
2808 2001-05-17 Bernd Schmidt <bernds@redhat.com>
2810 * stmt.c (expand_asm_operands): For inout operands, make sure
2811 the substitution of '=' for '+' makes it into the rtl.
2813 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
2814 (reload_as_needed): Call update_eliminable_offsets a bit later.
2816 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2818 * gcc.texi (gccbug): Refer to the web pages for detailed information
2821 2001-05-16 Zack Weinberg <zackw@stanford.edu>
2823 * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
2825 * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
2826 OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
2827 LIB1FUNCS, and LIB1FUNCS_EXTRA. Delete rules: libgcc1-test,
2828 libgcc1-test.o. Clarify commentary now that libgcc1 no longer exists.
2829 * cross-make: Don't set LIBGCC1.
2830 * mklibgcc.in: Delete all code for building from libgcc1.c.
2831 Always honor LIB1ASMFUNCS if set.
2833 * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
2834 config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
2835 config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
2836 config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
2837 config/i386/uwin.asm, config/m68hc11/larith.asm,
2838 config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
2839 config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
2840 config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
2841 config/v850/lib1funcs.asm, config/c4x/libgcc.S:
2842 Delete or update references to libgcc1 in commentary.
2844 * config/t-libc-ok, config/t-linux, config/t-linux-aout,
2845 config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
2846 config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
2847 config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
2848 config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
2849 config/arm/t-semi, config/arm/t-strongarm-coff,
2850 config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
2851 config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
2852 config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
2853 config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
2854 config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
2855 config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
2856 config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
2857 config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
2858 config/m68k/t-m68kbare, config/m68k/t-m68kelf,
2859 config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
2860 config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
2861 config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
2862 config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
2863 config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
2864 config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
2865 config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
2866 config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
2867 config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
2868 config/mips/t-ultrix, config/mn10200/t-mn10200,
2869 config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
2870 config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
2871 config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
2872 config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
2873 config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
2874 config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
2875 config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
2876 config/sparc/t-sparclite, config/sparc/t-splet,
2877 config/sparc/t-sunos41, config/sparc/t-vxsparc,
2878 config/sparc/t-vxsparc64, config/v850/t-v850:
2879 Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
2881 * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
2882 Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
2883 * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
2884 FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
2885 nongcc_SI_type, nongcc_word_type, or perform_*
2886 * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
2888 * config/i386/386bsd.h, config/i386/beos-elf.h,
2889 config/i386/linux-aout.h, config/i386/linux-oldld.h,
2890 config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
2891 config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
2892 Don't include i386/perform.h.
2894 * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
2895 config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
2896 config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
2897 config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
2898 config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
2899 config/vax/t-openbsd, config/vax/t-vax: Delete.
2901 * config.gcc: Remove references to deleted files.
2902 (arm-semi-aof): Use arm/t-semi for tmake_file.
2904 * gcc.texi, install.texi, invoke.texi, tm.texi:
2905 Delete or rewrite text which is no longer relevant now that
2906 libgcc1 no longer exists.
2908 * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
2909 No need to set INSTALL_ASSERT_H. (Missed in previous sweep.)
2911 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
2912 Bruce Korb <bkorb@gnu.org>
2914 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
2917 2001-05-16 Zack Weinberg <zackw@stanford.edu>
2919 * i386.md: Add two peepholes to clean up code generated by
2922 2001-05-16 Richard Henderson <rth@redhat.com>
2924 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
2925 variants of non-absolute encodings.
2927 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
2929 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
2930 __register_frame_info_table_bases): Export.
2932 2001-05-16 Richard Henderson <rth@redhat.com>
2934 * except.c (eh_data_format_name): Move to ...
2935 * dwarf2asm.c: ... here. Use designated initializers if available.
2936 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
2937 * dwarf2asm.h: Update declarations.
2938 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
2939 ASM_PREFERRED_EH_DATA_FORMAT.
2940 (output_call_frame_info): Likewise. Use 'L' augmentation for
2943 * unwind-dw2-fde.h (struct fde_vector): New.
2944 (struct old_object): Rename from struct object.
2945 (struct object): New.
2946 (__register_frame_info_bases): Declare.
2947 (__register_frame_info_table_bases): Declare.
2948 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
2949 * unwind-dw2-fde.c (objects): Remove.
2950 (unseen_objects, seen_objects): New.
2951 (__register_frame_info_bases): New.
2952 (__register_frame_info): Use it.
2953 (__register_frame_info_table_bases): New.
2954 (__register_frame_info_table): Use it.
2955 (__deregister_frame_info): Rewrite for changed object struct.
2956 (base_from_object, get_cie_encoding, get_fde_encoding): New.
2957 (fde_unencoded_compare): Rename from fde_compare; uninline.
2958 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
2959 (start_fde_sort): Adjust for new definition of fde_vector.
2960 (fde_insert): Likewise.
2961 (end_fde_sort): Likewise. Select comparison function based
2962 on properties of the object.
2963 (fde_split): Take object and fde_compare_t arguments.
2964 (frame_heapsort, fde_merge): Likewise.
2965 (classify_object_over_fdes): Rename from count_fdes. Handle
2966 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
2968 (add_fdes): Handle encoded pointers.
2969 (init_object): Rename from frame_init. Update for new struct object.
2970 (linear_search_fdes): Rename from search_fdes. Handle encoded
2972 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
2973 (binary_search_single_encoding_fdes): New.
2974 (binary_search_mixed_encoding_fdes): New.
2975 (search_object): New.
2976 (_Unwind_Find_FDE): Update for new struct object. Fill in
2978 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
2979 iterating over EH data.
2980 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
2981 fde_encoding, lsda_encoding.
2982 (read_uleb128, read_sleb128): Remove.
2983 (read_encoded_pointer): Remove. All callers use read_encoded_value.
2984 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
2985 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
2987 * unwind-pe.h: Add "struct" to _Unwind_Context references.
2989 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
2991 * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
2992 * cpphash.c (_cpp_lookup_with_hash): Similarly.
2993 * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
2994 cpp_spell_token, cpp_output_token): Similarly.
2995 * cpplib.c (lex_macro_node, do_undef, do_pragma,
2996 do_pragma_poison, parse_assertion, do_assert): Similarly.
2997 * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
2998 save_parameter, _cpp_create_definition, check_trad_stringification,
2999 cpp_macro_definition): Similarly.
3000 * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
3001 * c-lex.c (cb_undef, c_lex): Similarly.
3002 * fix-header.c (recognized_function): Similarly.
3003 * cpplib.h (NODE_LEN, NODE_NAME): New.
3004 (cpp_hashnode): Rename length len.
3006 Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com)
3008 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
3011 2001-05-16 Andreas Jaeger <aj@suse.de>
3013 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
3015 * toplev.c: Include dwarf2asm.h for prototype of
3016 dw2_output_indirect_constants.
3018 Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz>
3020 * stmt.c (expand_asm_operands): Be able to offload addressof
3021 expression to memory. (PR optimization/185)
3023 Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz>
3025 * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
3026 applying distributive law.
3028 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
3030 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
3032 * gthr-dce.h (UNUSED): Attribute unused macro.
3033 (__gthread_key_dtor): Make arguments UNUSED.
3034 (__gthread_key_delete): Revise for compatibility with DRAFT4
3037 2001-05-16 David Edelsohn <edelsohn@gnu.org>
3039 * doc/install.texi: Update AIX information.
3040 * README.RS6000: Remove obsolete file.
3042 2001-05-16 Jakub Jelinek <jakub@redhat.com>
3043 Nathan Sidwell <nathan@codesourcery.com>
3045 * gcc.c (give_switch): Don't write before start of string.
3046 Always append suffix.
3048 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
3050 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
3053 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3055 * README.ALTOS: Remove obsolete file.
3057 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
3059 * c-lex.h (save_and_forget_protocol_qualifiers,
3060 forget_protocol_qualifiers, remember_protocol_qualifiers):
3061 Remove deleted functions' prototypes.
3063 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
3065 * c-parse.in (methodtype): New production.
3066 (methoddef, methodproto): Collapse separate '-' and '+'
3069 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3071 * c-common.h (RID_FIRST_PQ): New.
3072 * c-parse.in (objc_pq_context): New.
3073 (objc parser): Set objc_pq_context rather than calling
3074 remember_protocol_qualifiers and forget_protocol_qualifiers.
3075 Don't call save_and_forget_protocol_qualifiers.
3076 (yylexname): Handle objc protocol qualifiers here.
3077 * stringpool.c (struct str_header): Replace with sp_hashnode.
3078 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
3079 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
3080 Allocate an IDENTIFIER_NODE for each identifier.
3081 (FORALL_STRINGS, set_identifier): Delete.
3082 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
3083 (ggc_alloc_string): Use an obstack.
3084 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
3085 * tree.h: Update comments.
3086 (set_identifier): Delete.
3087 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
3088 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
3089 remember_protocol_qualifiers): Delete.
3091 Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
3093 * flow.c (life_analysis): After life analysis is complete, do
3094 an optional scan over insns looking for REG_LABEL notes that
3095 reference a deleted label.
3096 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
3097 before peeking at LABEL_NUSES.
3099 2001-05-15 Richard Henderson <rth@redhat.com>
3101 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
3102 (_Unwind_GetTextRelBase): New.
3104 2001-05-15 Mark Mitchell <mark@codesourcery.com>
3106 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
3108 2001-05-15 Geoffrey Keating <geoffk@redhat.com>
3110 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
3111 so that CHOOSE_SECTION gets used.
3113 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
3114 TARGET_RELOCATABLE like flag_pic for now.
3116 2001-05-15 David Edelsohn <edelsohn@gnu.org>
3118 * rs6000.md (movdi splitter): Sign extend more efficiently.
3119 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
3120 to "long long" valid on 32-bit and 64-bit hosts.
3121 (logical_operand): Cast trunc_int_for_mode return value.
3122 (rs6000_emit_move): Shift macro to encapsulate variable.
3123 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
3124 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
3125 plus_constant requires signed argument.
3127 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
3129 * gthr-posix.h: Make additional pthread-* functions weak.
3131 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
3133 * recog.c (apply_change_group): Avoid unneeded validating.
3135 2001-05-14 David Edelsohn <edelsohn@gnu.org>
3137 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
3138 (num_insns_constant): CONST_INT can be 64-bits.
3140 2001-05-14 Stan Shebs <shebs@apple.com>
3142 * config/darwin.h (LIB_SPEC): Just use -lSystem.
3143 (LIBGCC_SPEC): Don't define.
3145 2001-05-14 Richard Henderson <rth@redhat.com>
3147 * configure.in (gcc_cv_as_eh_frame): New test.
3148 * config.in, configure: Rebuild.
3149 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
3151 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
3153 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
3154 extended precision divide.
3156 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
3158 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
3159 for RETURNS as well.
3161 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
3163 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
3164 (CPP_CPU??_SIZE_TYPE): New.
3165 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
3166 (CPP_CPU_SPEC): ... here; support choosing of CPU.
3167 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
3168 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
3170 * i386.c (override_options): Add sorry about not suported modes.
3172 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
3174 * config/pa/som.h (NM_FLAGS): Remove.
3175 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
3176 (ASM_OUTPUT_SECTION_NAME): Remove.
3177 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
3179 2001-05-14 Mark Mitchell <mark@codesourcery.com>
3181 * regrename.c (regrename_optimize): Do not rename registers to
3184 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
3186 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
3187 contain MEMs. Remove useless distinction about clobbering
3190 2001-05-13 Geoff Keating <geoffk@redhat.com>
3192 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
3193 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
3194 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
3195 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3196 (EXCEPTION_SECTION): Define.
3198 2001-05-13 Zack Weinberg <zackw@stanford.edu>
3200 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
3201 binary backward compat only.
3202 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
3203 in LIB2FUNCS. Pass it to mklibgcc.
3204 * mklibgcc.in: Handle LIB2FUNCS_ST.
3206 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
3208 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
3210 * tm.texi (THREAD_MODEL_SPEC): Document it.
3211 * gcc.c (main): Use it.
3212 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
3213 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
3215 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3217 * rtl.h (SYMBOL_REF_WEAK): New macro.
3218 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
3219 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
3220 * rtl.texi (SYMBOL_REF_WEAK): Document it.
3221 * gcc.texi: Remove wrong description.
3223 2001-05-13 Mark Mitchell <mark@codesourcery.com>
3225 * Makefile.in (STAMP): New macro.
3226 Replace all uses of `touch' with $(STAMP).
3227 * fixinc/Makefile.in: Likewise.
3229 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3231 * configure.in: ldopen is never in -lexc, so don't test for it.
3232 Add test for exc_resume in -lexc for Ada.
3233 * configure: Regenerated.
3235 2001-05-12 Richard Henderson <rth@redhat.com>
3237 * dwarf2asm.c (size_of_encoded_value): New function.
3238 * dwarf2asm.h: Declare it.
3239 * except.c (output_function_exception_table): Align the TType
3240 array only as wide as the encoding.
3242 2001-05-12 Zack Weinberg <zackw@stanford.edu>
3244 * extend.texi: Document #pragma GCC java_exceptions.
3246 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3248 * c-parse.in (bison parser, init_reswords): Remove uses of
3250 * c-tree.h (doing_objc_thang): Remove.
3252 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
3254 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
3255 about files not ending in newlines.
3257 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3259 * dwarfout.c (dwarfout_init): Add cast.
3260 * sched-deps.c (sched_analyze_insn): Remove unused vars.
3261 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
3263 * method.c (build_mangled_C99_name): Remove unused prototype.
3265 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
3267 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
3269 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
3271 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
3272 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
3274 2001-05-11 Richard Henderson <rth@redhat.com>
3276 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
3277 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
3278 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
3279 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
3280 (dw2_output_indirect_constants): Prototype.
3281 * dwarf2out.c (dwarf2out_begin_prologue): Generate
3282 current_function_func_begin_label if we'll need it for EH. Exit
3283 early for IA64_UNWIND_INFO.
3284 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
3285 (eh_data_format_name): Update for indirect references.
3286 (output_function_exception_table): Care for IA64_UNWIND_INFO.
3287 Handle ASM_PREFERRED_EH_DATA_FORMAT.
3288 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
3289 define HAVE_eh_return etc.
3290 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
3291 (final_end_function): Don't call output_function_exception_table.
3292 * toplev.c (compile_file): Call dw2_output_indirect_constants.
3293 (rest_of_compilation): Invoke output_function_exception_table
3294 for ia64 before assemble_end_function.
3295 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
3296 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
3298 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
3299 * unwind.h: Declare them.
3300 * libgcc-std.ver: Export them.
3301 * unwind-pe.h: New file.
3303 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
3305 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
3307 (find_fde_for_dso): Extract DT_PLTGOT.
3308 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
3309 the segment and gp as well.
3310 * config/ia64/frame-ia64.c: Remove file.
3311 * config/ia64/frame-ia64.h: Remove file.
3312 * config/ia64/unwind-ia64.c: New file.
3313 * config/ia64/unwind-ia64.h: New file.
3314 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
3315 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
3316 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
3317 (ASM_PREFERRED_EH_DATA_FORMAT): New.
3318 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
3319 (IA64_UNWIND_INFO): Re-enable.
3320 (HANDLER_SECTION): Remove.
3321 (EH_RETURN_DATA_REGNO): New.
3322 * config/ia64/ia64.md (exception_receiver): Remove.
3323 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
3324 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
3326 2001-05-11 Richard Henderson <rth@redhat.com>
3328 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
3329 calls and jumps to be bundled together.
3330 (ia64_reorg): Emit a break after a noreturn call that ends
3332 * config/ia64/ia64.md (break_f): New.
3334 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
3336 * c-lex.c (lex_charconst): Convert into a simple wrapper
3337 around cpp_interpret_charconst, to which most of the code
3339 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
3340 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
3341 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
3342 (lex): Use cpp_interpret_charconst.
3343 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
3344 hex_digit_value): New functions.
3345 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
3346 * cpplib.h (cpp_interpret_charconst): New prototype.
3347 * Makefile.in: Update.
3349 2001-05-12 Dean Wakerley <dean@wakerley.com>
3351 * doc/install.texi: New file. Converted to texinfo from the HTML
3352 documentation in wwwdocs/htdocs/install.
3354 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
3356 * gcse.c (insert_insn_end_bb): Do not search for assignments to
3357 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
3359 * toplev.c (compile_file): Move comment for opening output
3360 file to just before the code that opens the output file.
3362 2001-05-11 Jakub Jelinek <jakub@redhat.com>
3364 * regmove.c (regmove_optimize): Suppress the optimization for
3365 unchanging destination register. Add comment above function.
3367 2001-05-11 Zack Weinberg <zackw@stanford.edu>
3369 * Makefile.in: Exterminate all references to assert.h.
3370 * cross-make: Likewise.
3372 * configure.in: Correct commentary.
3373 * configure: Regenerate.
3375 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
3378 * config/t-freebsd, config/t-linux, config/t-linux-aout,
3379 config/t-netbsd, config/t-rtems, config/x-linux,
3380 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
3381 No need to override INSTALL_ASSERT_H.
3383 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
3384 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
3385 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
3387 2001-05-11 Graham Stott <grahams@redhat.com>
3389 * combine.c (simplify_comparison): Fix typo.
3391 2001-05-11 Mark Mitchell <mark@codesourcery.com>
3393 * loop.h (struct movables): Remove `num'.
3394 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
3395 Adjust call to strength_reduce.
3396 (num_unmoved_movables): New function.
3397 (move_movables): Don't set movables->num.
3398 (strength_reduce): Compute the number of instructions in the loop
3399 here, rather than in the caller.
3400 (check_dbra_loop): Always clear reversible_mem_store if there
3401 are any memory sets.
3402 (loop_regs_scan): Don't count instructions here.
3403 (count_insn_in_loop): New function.
3405 2001-05-11 Mark Mitchell <mark@codesourcery.com>
3407 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
3409 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
3411 * c-common.c (finish_label_expr): New function, lifted from
3412 from cp/semantics.c.
3413 * c-common.h (finish_label_expr, lookup_label): New prototypes.
3414 * c-parse.in: Move 3 blocks of parser code into new functions.
3415 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
3416 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
3417 (lookup_label): Remove.
3419 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
3421 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
3422 FLOAT_BIT_ORDER_MISMATCH.
3424 2001-05-10 David Edelsohn <edelsohn@gnu.org>
3426 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
3427 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
3429 2001-05-10 David Edelsohn <edelsohn@gnu.org>
3431 * expr.c (emit_group_load): extract_bit_field requires a REG or
3434 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
3436 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
3437 a computed jump into an unconditional jump.
3438 In second hunk of code for collapsing computed and conditional jumps
3439 into unconditional jumps, reemit the jump in additional cases.
3441 * jump.c (jump_optimize_1): Do not wrap the new jump target
3442 inside a LABEL_REF; gen_jump will do that automatically.
3444 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
3446 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
3447 contents for a SYMBOL_REF in case of floating point constants.
3449 2001-05-10 DJ Delorie <dj@redhat.com>
3451 * c-common.c (combine_strings): Widen strings in a
3452 host-endian-independent way.
3454 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
3456 * c-parse.in: Remove many shift/reduce conflicts. Update
3458 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
3459 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
3460 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
3461 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
3462 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
3463 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
3464 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
3465 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
3466 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
3467 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
3468 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
3469 typespec_reserved_nonattr, typespec_reserved_attr,
3470 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
3471 structsp_nonattr, components_notype, component_notype_declarator,
3472 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
3473 firstparm, setspecs_fp): New
3474 (typed_declspecs, reserved_declspecs, typed_typespecs,
3475 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
3476 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
3477 declmods_no_prefix_attr, nonempty_type_quals, structsp,
3478 type_quals): Remove. Users updated.
3479 (initdecls, notype_initdecls, after_type_declarator,
3480 parm_declarator, notype_declarator, absdcl1, components, ivars):
3481 Don't allow attributes at the start of a declarator; include them
3482 in the production containing the declarator instead. Always
3483 require type specifiers before trying to redeclare a typedef name.
3484 (typename): Allow for attributes but warn that they are ignored.
3485 (parmlist, firstparm, setspecs_fp): Include attributes in
3486 parmlist; suck them off the parser stack in firstparm using
3489 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
3491 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
3492 to determine if a block has an unconditional jump at its end.
3494 * jump.c (jump_optimize_1): When converting a conditional jump
3495 to an unconditional jump, build the jump using gen_jump instead
3496 of just modify operands in-place.
3498 2001-05-09 Zack Weinberg <zackw@stanford.edu>
3500 * cppinit.c (cpp_post_options): Shut off macro expansion if
3502 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
3503 IN_I directives only if the # is in column 1 and the directive
3504 name begins in column 2.
3505 * cppmain.c (scan_buffer): Insert a space between # and an
3506 identifier, when that identifier is a directive name.
3508 * tradcpp.c (struct file_buf): Add a pointer to the next entry
3509 in the header search path.
3510 (enum node_type): Add T_INCLUDE_NEXT.
3511 (directive_table): Add entry for include_next.
3512 (do_include_next): New function.
3513 (process_include): New routine, broken out of do_include.
3514 (finclude): Insert 'nhd' argument, to be copied into
3515 next_header_dir of the new buffer.
3516 (main): Adjust to match.
3517 * gsyslimits.h, limity.h: Un-indent #include_next.
3519 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
3521 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
3522 inclusion as a chapter of the GCC manual.
3523 * gcc.texi: Include objc.texi.
3524 * fdl.texi: Use @unnumberedsec for the addendum.
3525 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
3527 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
3529 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
3531 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
3533 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
3534 handling of two-address insns.
3536 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
3538 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
3539 ../binutils/nm-new instead of ../binutils/nm.
3541 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
3543 * i386.md (movdi splitter): Fix the splitting condition
3544 (float_extenddftf splitter): Fix mode.
3546 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
3548 * genrecog.c (write_switch): Avoid outputting of switch for
3549 types wider than int.
3551 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
3553 * reload1.c (copy_eh_notes): New function.
3554 (emit_input_reload_insns): Call it.
3555 (emit_output_reload_insns): Call it.
3557 2001-05-07 Zack Weinberg <zackw@stanford.edu>
3559 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
3561 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
3562 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
3564 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
3566 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
3568 * pa.md (interspace_jump): Revise comment.
3569 (builtin_longjmp): Block initial setup insns from delay slot of
3571 (builtin_setjmp_receiver): New expander to save and restore PIC
3574 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
3576 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
3578 * toplev.c (compile_file): Set up the output file before we call
3579 the various initializers for the compiler.
3581 * except.c (sjlj_mark_call_sites): Do not search for assignments to
3582 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
3584 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
3585 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
3587 2001-05-06 Zack Weinberg <zackw@stanford.edu>
3589 * Makefile.in (tradcpp0): Correct typo in dependency list.
3591 2001-05-06 Geoff Keating <geoffk@redhat.com>
3593 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
3594 the link register if we're not going to use it.
3596 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
3597 (output_function_profiler): Likewise.
3599 2001-05-07 Alan Modra <amodra@one.net.au>
3601 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
3603 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
3605 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
3606 zero-extend it. Make abs_inc unsigned.
3608 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
3609 widest mode in narrowing and widening operations.
3611 * config/mips/mips.md: Sign extend CONST_INTs.
3613 2001-05-06 Andreas Jaeger <aj@suse.de>
3615 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
3616 (i386 Options): Document -momit-leaf-frame-pointer.
3618 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
3620 * c-typeck.c (internal_build_compound_expr): Check for
3621 array to pointer conversion just once.
3623 2001-05-05 Richard Henderson <rth@redhat.com>
3625 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
3627 2001-05-05 Richard Henderson <rth@redhat.com>
3629 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
3630 to the parent of the fixup region.
3632 2001-05-05 Jakub Jelinek <jakub@redhat.com>
3634 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
3636 * cpp.texi (__NO_INLINE): Document it.
3638 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
3640 * cppfiles.c (struct include_file): New member err_no.
3641 (find_or_create_entry): Set it.
3642 (open_file): Don't set fds to -2. Instead, use err_no to
3643 remember previous errors, if any.
3645 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3647 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
3648 between X and Y by using sequences of xgdx and xgdy.
3650 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3652 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
3653 of '!' for the 'D' alternative ('!' is too strong).
3654 ("*logicalsi3_silshl16"): Likewise.
3655 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
3656 ("movstrictsi"): Remove spurious '+'.
3657 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
3658 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
3659 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
3662 2001-05-04 David Edelsohn <edelsohn@gnu.org>
3664 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
3666 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
3668 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
3671 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3673 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
3676 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3678 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
3679 soft register, use ror instead of rol.
3681 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3683 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
3684 into account pre/post increment decrement for 68HC12.
3685 Fix other problems in replacement and fix call to reg_mentioned_p.
3687 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3689 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
3690 Put the soft registers in bss for 68HC12.
3691 (L_regs_d3_4): New for _.d3 and _.d4.
3692 (L_regs_d5_6): Likewise.
3693 (L_regs_d1_2): Likewise.
3694 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
3696 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3698 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
3699 to the pre-processor when -fshort-double is specified.
3700 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
3702 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3704 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
3705 (__mulsi3): Rewrite for 68HC12.
3706 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
3707 Mark 'x' constraint with earlyclobber to prevent a
3708 RELOAD_FOR_OTHER_ADDRESS to go in it.
3709 (mulhi3_m68hc12): New pattern.
3710 (mulhi3_m68hc11): Rename of mulhi3.
3711 (mulhi3): New expand for 68HC12 optimisation.
3712 (umulhisi3, mulhisi3): New patterns for 68HC12.
3714 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3716 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
3717 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
3718 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
3720 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3722 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
3723 constants cheap after reload.
3724 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
3726 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
3727 so that gcc prefers a shift by 16.
3728 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
3730 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
3732 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
3734 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3736 * alpha.h: NULL_PTR -> NULL.
3743 * i386.md: Likewise.
3746 * m68hc11.h: Likewise.
3747 * rs6000.h: Likewise.
3750 * sparc.h: Likewise.
3754 * final.c: Likewise.
3756 * recog.c: Likewise.
3758 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3760 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
3761 `bool' parameter to `int'.
3763 * hash.c (hash_lookup): Likewise.
3765 * hash.h (hash_lookup): Likewise.
3767 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
3769 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
3771 * i386.c (x86_initialize_trampoline): Fix mode of constant.
3773 2001-05-03 Geoff Keating <geoffk@redhat.com>
3775 * invoke.texi (i386 Options): Delete references to -malign-jumps,
3776 -malign-loops, -malign-functions.
3777 * i386.c (ix86_align_funcs): Delete.
3778 (ix86_align_loops): Delete.
3779 (ix86_align_jumps): Delete.
3780 (override_options): Mark -malign-* as obsolete. Emulate their
3781 behaviour with the -falign-* options. Default -falign-* from
3782 the processor table.
3783 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
3784 patch of Wed May 2 13:09:36 2001.
3785 (LOOP_ALIGN): Delete.
3786 (LOOP_ALIGN_MAX_SKIP): Delete.
3787 (LABEL_ALIGN_AFTER_BARRIER): Delete.
3788 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
3790 2001-05-04 Andreas Jaeger <aj@suse.de>
3792 * except.h: Add prototype declaration for
3793 expand_builtin_init_dwarf_reg_sizes.
3795 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
3797 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
3799 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3801 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
3803 ("bitcmpqi2"): New pattern for bit-extract and test.
3804 ("bitcmphi"): New pattern for bitb/bita instructions.
3806 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
3808 * gccbug.in: Use a temporary directory when the mktemp command is
3811 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3813 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
3815 (INITIALIZE_TRAMPOLINE): Call it.
3816 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
3817 (TRAMPOLINE_TEMPLATE): Remove.
3818 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
3819 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
3822 2001-05-03 David O'Brien <obrien@FreeBSD.org>
3824 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
3825 and crtendS.o with PIC.
3827 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3829 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
3831 (___subdi3, ___adddi3): Use x instead of y as index register.
3832 (__init_bss_section, __map_data_section): Optimize for 68HC12.
3833 (__memset, __memcpy): Likewise.
3834 (regs): Put the soft registers in bss for 68HC12.
3835 (abort): Use trap to abort for 68hc12.
3836 (__mulhi3, __mulhi32): Use emul for 68hc12.
3837 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
3839 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3841 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
3842 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
3843 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
3844 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
3845 Set 68HC12 min offset to -65536.
3846 (print_operand): Put parenthesis arround the operand if it refers
3847 to a symbol having the same name as a register.
3848 (m68hc11_z_replacement): When z register is replaced by its
3849 equivalent soft register, force the insn to be re-recognized.
3850 (m68hc11_check_z_replacement): Fix the test when destination is
3851 the index register and z dies in the insn.
3852 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
3854 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3856 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
3857 costs according to processor variant.
3858 (m68hc11_shift_cost): New function to compute shift costs.
3859 (m68hc11_rtx_costs): Define costs according to processor variant.
3860 (m6811_cost): Costs for 68HC11.
3861 (m6812_cost): Costs for 68HC12.
3862 (COSTS_N_INSNS): Remove.
3864 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
3865 (DEFAULT_RTX_COSTS): Remove.
3866 (CONST_COSTS): Define costs according to OUTER_CODE.
3867 (processor_costs): New struct to define costs.
3868 (m68hc11_cost): Pointer to current costs.
3870 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3872 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
3873 and use m68hc11_notice_keep_cc when using leax/leay.
3874 (addhi3 split): Reject split if the insn is handled by
3876 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
3877 push must be handled in a special way if the source operand uses
3878 sp as index register.
3879 (m68hc11_notice_keep_cc): New function.
3880 (m68hc11_gen_movhi): Use it when an insn changes a register but
3882 (m68hc11_gen_movqi): Fix move for 68HC12.
3883 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
3885 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3887 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
3888 and don't pass operands[0] to emit_library_call_value.
3890 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3892 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
3893 (zero_extendsi split): Simplify and use (zero_extendhi).
3894 (*addhi3): Remove 'w' constraint since stack pointer is handled
3896 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
3897 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
3898 (*ashrhi3_const): Fix shift by 7.
3899 (*lshrsi3_const16): Fix template.
3900 (call, call_value): Fix constraint and predicate.
3902 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3904 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
3905 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
3906 (CC_REGNUM): Likewise.
3907 (*unnamed splits): Use above constants instead of hard coded numbers.
3908 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
3909 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
3910 (*return_16bit, *unnamed peepholes): Likewise.
3912 2001-05-03 David O'Brien <obrien@FreeBSD.org>
3914 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
3915 rs6000/rs6000.h twice.
3917 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
3919 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
3920 (CPP_SPEC): Conditionally define MSDOS and GO32.
3921 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
3922 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
3924 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
3926 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
3928 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
3930 2001-05-03 Mark Mitchell <mark@codesourcery.com>
3932 * integrate.h (struct inline_remap): Add leaf_reg_map table.
3933 * integrate.c (expand_inline_function): Use xcalloc to allocate
3935 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
3938 2001-05-03 Mark Mitchell <mark@codesourcery.com>
3940 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
3943 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
3945 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
3946 linker if -mrelax is given.
3947 (TARGET_SWITCHES): Document -mrelax.
3949 Re-installed 2001-01-09's patch:
3950 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
3951 if it's wider than long and the target's long is wider than the
3954 2001-05-02 David O'Brien <obrien@FreeBSD.org>
3956 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
3957 directly include rs6000/rs6000.h. Instead do it in tm.h.
3959 2001-05-02 Stan Shebs <shebs@apple.com>
3961 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
3962 NSConstantString for NeXT-style runtimes.
3963 (STRING_OBJECT_GLOBAL_NAME): New macro.
3964 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
3965 OCTI_STRING_CLASS_DECL.
3966 (constant_string_global_id): New macro.
3967 (string_class_decl): Ditto.
3968 (setup_string_decl): New function.
3969 (build_objc_string_object): Use it to build a NeXT runtime
3970 compatible string initializer.
3972 2001-05-02 Jakub Jelinek <jakub@redhat.com>
3974 * tradcpp.c (do_define): Make sure we don't walk past limit.
3976 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3978 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
3979 offsets if not REG_OK_STRICT.
3981 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
3982 (INT_REG_OK_FOR_INDEX_P): Likewise.
3983 (INT_REG_OK_FOR_BASE_P): Likewise.
3984 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
3985 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
3986 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
3987 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
3988 REG_OK_FOR_BASE_P. Take an additional parameter.
3989 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
3990 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
3991 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
3992 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
3993 rs6000_legitimate_address() and use it.
3994 * config/rs6000/rs6000.c: Update all callers.
3995 (rs6000_legitimate_address): New function.
3997 2001-05-02 David Edelsohn <edelsohn@gnu.org>
3999 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
4000 special_constant conditional blocks together.
4002 2001-05-02 Dale Johannesen <dalej@apple.com>
4004 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
4006 (STRICT_ARGUMENT_NAMING): Define.
4007 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
4008 function_arg_partial_nregs, setup_incoming_varargs): Remove
4009 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
4012 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4014 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
4016 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
4019 * expr.c (store_field): Do nothing except elaborate side-effects if
4022 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4024 * c-lex.c: NULL_PTR -> NULL.
4026 * emit-rtl.c: Likewise.
4028 * genpeep.c: Likewise.
4030 * mips-tdump.c: Likewise.
4031 * reload1.c: Likewise.
4032 * rtlanal.c: Likewise.
4034 * stor-layout.c: Likewise.
4035 * toplev.c: Likewise.
4037 2001-05-01 Per Bothner <per@bothner.com>
4039 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
4040 call do_pending_stack_adjust before emiting label.
4042 2001-05-01 Mark Mitchell <mark@codesourcery.com>
4044 * extend.texi: Fix typo.
4046 2001-05-01 Stan Shebs <shebs@apple.com>
4048 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
4049 of UOBJC_MODULES_decl.
4050 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
4051 (generate_descriptor_table): Ditto.
4052 (generate_protocols): Ditto.
4053 (generate_protocol_list): Ditto.
4054 (generate_classref_translation_entry): Ditto.
4056 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
4058 * invoke.texi (Optimize Options): Add documentation for `--param
4059 max-delay-slot-insn-search' and `--param
4060 max-delay-slot-live-search' and reorder --param section.
4061 * params.def: Modify initial comment.
4062 * params.h (param_info): Add `help' member.
4063 * toplev.c (lang_independent_params): Include `help' description.
4064 (display_help): Print --param parameters.
4066 2001-05-01 Zack Weinberg <zackw@stanford.edu>
4068 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
4069 Remove references to deleted files.
4070 (*-*-openbsd): No need to override xmake_file.
4071 (*-*-sysv4): Treat like *-*-sysv.
4073 * configure.in: Probe for ldopen in various places, and set up
4074 collect2 to be linked with them if found.
4075 Don't dink with Windows registry stuff unless $host_os is a
4076 Win32 os name. Check to see if we need -ladvapi32.
4077 * configure: Regenerate.
4079 * Makefile: Get rid of CLIB and HOST_CLIB.
4080 Substitute in COLLECT2_LIBS and link collect2 against its contents.
4081 * build-make: Get rid of HOST_CLIB.
4083 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
4084 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
4085 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
4086 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
4087 config/rs6000/x-rs6000: Delete.
4089 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
4092 24 x-host fragments remain, 0 x-cpu, 3 top level.
4094 2001-05-01 Zack Weinberg <zackw@stanford.edu>
4096 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
4097 * configure: Regenerate.
4099 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
4101 * Makefile.in (install-headers): Remove redundant dependency.
4103 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
4105 * c-tree.texi (USING_STMT): Document.
4107 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4109 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
4110 * c-common.c: Likewise.
4111 * c-decl.c: Likewise.
4112 * combine.c: Likewise.
4113 * rs6000.c: Likewise.
4114 * except.c: Likewise.
4115 * explow.c: Likewise.
4117 * fold-const.c: Likewise.
4118 * function.c: Likewise.
4121 * integrate.c: Likewise.
4123 * objc/objc-act.c: Likewise.
4124 * recog.c: Likewise.
4125 * reg-stack.c: Likewise.
4126 * reload.c: Likewise.
4127 * reload1.c: Likewise.
4128 * simplify-rtx.c: Likewise.
4130 * varasm.c: Likewise.
4132 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
4134 * diagnostic.def: New file.
4135 * diagnostic.h (diagnostic_t): New enum.
4136 * Makefile.in (diagnostic.o): Depend on diagnostic.def
4138 2001-04-30 Zack Weinberg <zackw@stanford.edu>
4140 * tsystem.h: Test only POSIX for availability of string.h
4142 * config.gcc (all systems): If USG appeared in xm_defines,
4143 change it to POSIX. If both USG and POSIX appeared, just
4144 delete USG. Remove unnecessary quotes around xm_defines
4146 (m68k-crds-unos*): Don't #define unos - tested nowhere.
4147 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
4148 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
4149 powerpc-*-linux*): No need to set xm_defines - handled by
4150 global settings for *-*-linux*.
4152 2001-04-30 Zack Weinberg <zackw@stanford.edu>
4154 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
4155 Always include gstab.h, not system stab.h. Don't provide
4156 default definitions of N_CATCH or N_OPT. Always use the
4157 gstab.h variant of STAB_CODE_TYPE.
4158 * final.c: Don't include stab.h/gstab.h at all, or provide
4159 defaults for N_SLINE and N_SOL.
4161 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
4162 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
4164 * sdbout.c: Always include gsyms.h instead of system syms.h.
4166 * configure.in: No need to check for stab.h.
4167 * configure, config.in: Regenerate.
4168 * Makefile.in (final.o): Don't depend on gstab.h.
4170 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4171 Richard Henderson <rth@redhat.com>
4173 * extend.texi: Improve documentation of volatile asms.
4175 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4177 * c-tree.texi: Fix thinko.
4178 * gcc.texi: Likewise.
4180 2001-04-30 Richard Henderson <rth@redhat.com>
4182 * c-common.c (c_promoting_integer_type_p): New function, from the
4183 corpse of old macro. Properly promote too-small enumerations and
4184 booleans. Adjust all callers.
4185 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
4186 (c_promoting_integer_type_p): Declare.
4187 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
4188 * c-typeck.c: Likewise.
4189 (default_conversion): Remove now redundant boolean check.
4191 2001-04-30 Jan Hubicka <jh@suse.cz>
4192 Richard Henderson <rth@redhat.com>
4194 * regmove.c (try_apply_stack_adjustment): Remove now redundant
4196 (combine_stack_adjustments_for_block): Don't combine stack
4197 allocation followed by deallocations. Handle grow-up stacks.
4199 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4201 * fdl.texi: New file.
4202 * c-tree.texi: Use the GFDL.
4203 * gcc.texi: Likewise.
4205 2001-04-30 Stan Shebs <shebs@apple.com>
4207 * invoke.texi: Add a section documenting Objective-C options.
4209 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
4211 * emit-rtl.c (try_split): Copy EH notes to sequence.
4213 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4215 * regmove.c (record_stack_memrefs): Catch all references to the
4218 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
4220 * Makefile.in (stmp-fixinc): quote shell assignment values
4222 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4224 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
4228 * prefix.c: Likewise.
4230 2001-04-28 Stan Shebs <shebs@apple.com>
4232 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
4233 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
4234 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
4235 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
4237 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
4238 (NEXT_OBJC_RUNTIME): Define.
4240 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
4242 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
4243 * simplify-rtx.c (simplify_gen_relational): Likewise.
4245 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
4247 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
4248 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
4250 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
4251 registers in SSE case; fix handling of the immediates.
4252 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
4253 operands to be in regsiters before reload.
4254 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
4255 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
4256 (abstf,absxf,negtf,negxf splitters): Compute
4257 properly the regnum for x86_64.
4258 (avsdf2_if_rex64): New.
4260 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
4262 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
4263 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
4264 into the constant pool.
4265 * jump.c (jump_optimize_1): Remove barrier successors after all
4266 the LABEL_NUSES counds have been computed.
4267 (delete_barrier_successors): When deleting a tablejump insn, also
4268 delete the jump table it uses.
4269 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
4272 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
4274 * pa.c (FRP): Remove erroneous white space in macro definition.
4276 2001-04-28 Andreas Jaeger <aj@suse.de>
4278 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
4280 * extend.texi: Likewise.
4281 * tm.texi: Likewise.
4283 2001-04-28 Andreas Jaeger <aj@suse.de>
4285 * md.texi: Use XX-bit instead of XXbit or XX bit where
4288 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
4290 * gcc.c (process_command): Allow -l lib in addition to -llib
4291 for POSIX compliance. This fixes PR c/2347.
4293 * invoke.texi: Update section on Link Options accordingly.
4295 2001-04-27 Zack Weinberg <zackw@stanford.edu>
4297 * function.c (purge_addressof_1): Remove the duplicate
4298 if (code == SET) block. Fold the two if (code == ADDRESSOF)
4301 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
4303 * except.c (expand_eh_region_start): Don't start a new block.
4304 (expand_eh_region_end): Don't end a block.
4305 * stmt.c (expand_end_bindings): Don't end EH blocks.
4306 (expand_decl_cleanup): Starting an EH region won't change the block.
4307 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
4308 (is_eh_region): Lose.
4311 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
4313 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
4315 * collect2.c (main): Add `-L' case to remove duplicate entries.
4316 (is_in_args): New function to check for a duplicate argument.
4317 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
4318 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
4319 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
4320 Define to be nonzero.
4322 2001-04-27 Andreas Jaeger <aj@suse.de>
4323 Richard Henderson <rth@redhat.com>
4325 * md.texi (Machine Constraints): Document additional i386
4326 constraints and fix description of "A".
4328 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
4330 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
4332 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
4334 * except.c (get_exception_filter): word_mode, not Pmode.
4336 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
4338 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
4339 common to other movsf patterns. Move up so that in future
4340 people who change the other patterns will change it too.
4341 (movsf_lo_sum): Allow even for soft-float; add appropriate
4343 (movsf_high): Likewise.
4344 (movsf_high+1): Allow even for soft-float.
4346 * function.c (expand_function_end): Always clobber the
4347 return registers, even if there is no return label.
4349 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
4351 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
4353 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
4355 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
4356 (pushqi2_rex64, pushhi2_rex64): Add.
4358 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
4360 * except.c (expand_eh_region_end_cleanup): Force pending stack
4361 adjust before emitting label that branches around cleanup code.
4363 2001-04-26 H.J. Lu (hjl@gnu.org)
4365 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
4367 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
4369 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
4370 (ASM_OUTPUT_SECTION_NAME): Likewise.
4371 (ASM_WEAKEN_LABEL): Likewise.
4372 (UNIQUE_SECTION): Likewise.
4373 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
4374 (ASM_OUTPUT_DESTRUCTOR): Likewise.
4375 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
4376 (ASM_OUTPUT_SECTION_NAME): Likewise.
4377 (ASM_WEAKEN_LABEL): Likewise.
4378 (UNIQUE_SECTION): Likewise.
4379 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
4380 (ASM_OUTPUT_DESTRUCTOR): Likewise.
4381 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
4382 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
4383 (ASM_FILE_START): Likewise.
4384 (ASM_OUTPUT_SOURCE_LINE): Likewise.
4385 (ASM_DECLARE_OBJECT_NAME): Likewise.
4386 (ASM_FILE_END): Likewise.
4387 (ASM_DECLARE_FUNCTION_NAME): Likewise.
4388 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
4389 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
4390 (ASM_OUTPUT_CASE_LABEL): Likewise.
4391 (ASM_OUTPUT_SKIP): Likewise.
4392 (ASM_OUTPUT_ASCII): Likewise.
4393 (ASM_OUTPUT_IDENT): Likewise.
4394 (READONLY_DATA_SECTION): Likewise.
4395 (EXTRA_SECTIONS): Likewise.
4396 (EXTRA_SECTION_FUNCTIONS): Likewise.
4397 (SELECT_RTX_SECTION): Likewise.
4398 (SELECT_SECTION): Likewise.
4400 * config/mips/linux.h (INVOKE__main): Undefine.
4401 (CTOR_LIST_BEGIN): Likewise.
4402 (CTOR_LIST_END): Likewise.
4403 (DTOR_LIST_BEGIN): Likewise.
4404 (DTOR_LIST_END): Likewise.
4405 (SET_ASM_OP): Defined it to ".dummy".
4406 (ASM_OUTPUT_DEF): Defined.
4407 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
4409 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
4411 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
4412 assembler supports .p2align.
4414 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
4416 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
4418 2001-04-26 Jakub Jelinek <jakub@redhat.com>
4420 * integrate.c (expand_inline_function): Check for error_mark_node
4423 2001-04-26 Jakub Jelinek <jakub@redhat.com>
4425 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
4428 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
4430 * configure.in (configargs.h): Define thread_model.
4431 * configure: Rebuilt.
4432 * gcc.c (main): Print it with -v.
4434 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
4436 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
4437 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
4438 * gcc.1: Regenerate.
4440 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4442 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
4443 is_redundant_typedef): Use static inline instead of inline static.
4445 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
4447 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
4448 this directory is always searched.
4450 2001-04-25 Richard Henderson <rth@redhat.com>
4452 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
4453 of registers to restore along non eh_return path.
4455 2001-04-25 Jakub Jelinek <jakub@redhat.com>
4457 * c-format.c (check_format_info_recurse): Handle
4458 PLUS_EXPR for format string.
4460 2001-04-25 Jakub Jelinek <jakub@redhat.com>
4462 * config/ia64/ia64.h (CC1_SPEC): Define.
4463 * config/ia64/linux.h (CC1_SPEC): Define.
4465 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
4467 * emit-rtl.c (constant_subword): Also do sign extension in
4468 BITS_PER_WORD == 16 case.
4470 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
4472 * loop.c (try_swap_copy_prop): Go back to checking insn.
4474 2001-04-25 Jakub Jelinek <jakub@redhat.com>
4476 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
4477 if check_mode is non-zero.
4479 2001-04-25 Jakub Jelinek <jakub@redhat.com>
4481 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
4482 out and comparison sequence has been detected, put result into
4483 proper temporary pseudo.
4485 2001-04-24 Zack Weinberg <zackw@stanford.edu>
4487 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
4488 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
4489 * libgcc2.c: Remove __dummy and __builtin_saveregs.
4490 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
4491 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
4492 for future reference.
4494 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
4496 * except.c (reachable_handlers): Step out one level from a RESX.
4498 * except.c (struct eh_region): Rename 'last' to 'resume'.
4499 (mark_eh_region, duplicate_eh_region_1): Adjust.
4500 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
4501 (build_post_landing_pads): Likewise.
4502 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
4503 (expand_eh_region_end_must_not_throw): Likewise.
4504 (connect_post_landing_pads): Thread (only) regions with non-deleted
4507 * except.c (expand_eh_region_end_cleanup): Save the EH return data
4508 registers around the cleanup.
4509 (get_exception_filter): New fn.
4510 (finish_eh_generation): Use it.
4512 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
4514 * c-semantics.c (add_scope_stmt): Don't call
4515 current_scope_stmt_stack multiple times.
4517 2001-04-24 Zack Weinberg <zackw@stanford.edu>
4518 Nathan Sidwell <nathan@codesourcery.com>
4520 Lazy __FUNCTION__ generation.
4521 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
4522 RID_C99_FUNCTION_NAME): New _RIDs.
4523 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
4524 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
4525 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
4527 (function_id_node, pretty_function_id_node, func_id_node): Remove.
4528 (c99_function_name_decl_node, function_name_decl_node,
4529 pretty_function_name_decl_node, saved_function_name_decls):
4531 (struct language_function): Remove x_function_name_declared_p.
4532 (make_fname_decl): Remove a parameter.
4533 (declare_function_names): Remove prototype.
4534 (start_fname_decls, finish_fname_decls): Prototype.
4535 (fname_as_string): Likewise.
4536 (fname_string, fname_decl): Likewise.
4537 * c-common.c (make_fname_decl): Adjust.
4538 (struct fname_var_t): New struct.
4539 (fname_vars): New static array.
4540 (declare_function_name): Remove.
4541 (start_fname_decls, finish_fname_decls): New functions.
4542 (fname_as_string): New function from remnants of
4543 declare_function_name.
4544 (fname_string, fname_decl): New functions.
4546 * c-decl.c (c_function_name_declared_p): Remove.
4547 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
4548 don't call declare_function_name. Call start_fname_decls.
4549 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
4550 clobber the line number. Call finish_decl.
4551 (start_function): Call start_fname_decls.
4552 (finish_function): Call finish_fname_decls.
4553 Remove c_function_name_declared_p.
4554 (push_c_function_context): Don't push c_function_name_declared_p.
4555 (pop_c_function_context): Don't pop c_function_name_declared_p.
4556 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
4557 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
4558 (program): Call finish_fname_decls for C.
4559 (primary): Add VAR_FUNC_NAME.
4560 (reswords): Add slots for __FUNCTION__ et al.
4561 (rid_to_yy): Add mappings for __FUNCTION__ et al.
4562 (yylexname): If it's a STRING_FUNC_NAME generate the function name
4563 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
4564 * c-semantics.c (prune_unused_decls): Remove.
4565 (finish_stmt_tree): Don't call prune_unused_decls.
4566 (genrtl_decl_stmt): Don't prune unused decls here.
4568 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
4570 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
4571 constant pool, use the pool's SYMBOL_REF instead.
4573 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
4576 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
4578 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
4579 passing nested NOP_EXPRs to fold.
4581 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
4583 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
4585 2001-04-22 Mark Mitchell <mark@codesourcery.com>
4587 * loop.c (loop_delete_insns): Add prototype.
4589 2001-04-23 Phil Edwards <pme@sources.redhat.com>
4591 * configure.in: Remove ENABLE_STD_NAMESPACE.
4592 * config.in: Regenerated.
4593 * configure: Regenerated.
4595 2001-04-22 Stan Shebs <shebs@apple.com>
4597 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
4599 * config/rs6000/xm-darwin.h: Remove file.
4601 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4603 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
4604 (write_c_file_stat): Likewise.
4606 * dbxout.c (dbxout_init): Likewise.
4608 * profile.c (output_func_start_profiler): Likewise.
4610 2001-04-22 Philipp Thomas <pthomas@suse.de>
4612 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
4613 require it instead of the CVS version.
4614 * cpperror.c (v_message): Put a blank before the macro
4615 body to not confuse exgettext.
4617 2001-04-21 Mark Mitchell <mark@codesourcery.com>
4619 * flow.c (proagate_one_insn): Remove useless assignment.
4620 * jump.c (delete_insn): Tidy.
4621 * loop.c (try_copy_prop): When deleting an instruction with a
4622 REG_RETVAL note, delete the entire libcall sequence.
4623 (loop_delete_insns): New function.
4624 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
4625 we're not substituting into them yet.
4627 2001-04-21 Kazu Hirata <kazu@hxi.com>
4629 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
4631 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
4633 * config/i960/i960.c (signed_arith_operand): Likewise.
4635 * calls.c (expand_call): Fix a comment typo.
4637 2001-04-20 Zack Weinberg <zackw@stanford.edu>
4639 * configure.in: Probe for times, clock, struct tms, and clock_t.
4640 * configure, config.in: Regenerate.
4641 * timevar.c: Replace ifdef forest in get_time with (relatively)
4642 straightforward series of checks based on autoconf's probes.
4644 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
4646 * config/pa/som.h (NM_FLAGS): Define.
4648 2001-04-20 Bernd Schmidt <bernds@redhat.com>
4650 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
4652 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
4653 * ia64.c (nop_cycles_until): New function.
4654 (prev_cycle, prev_first, last_issued): New static variables.
4655 (ia64_sched_reorder): Additional arg for clock.
4656 On final scheduling pass, emit extra NOPs as needed.
4657 Set prev_first and prev_cycle.
4658 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
4659 (ia64_variable_issue): Set last_issued.
4661 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
4663 * config/i386/i386.c (ix86_expand_int_movcc,
4664 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
4666 2001-04-20 Geoff Keating <geoffk@redhat.com>
4668 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
4669 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
4670 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
4671 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
4672 ctrdi_internal6): In the short-branch case, this insn is only 4
4673 bytes long. Reported by Reza Yazdani <reza@apple.com>.
4675 2001-04-20 Jakub Jelinek <jakub@redhat.com>
4677 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
4678 "=u" is used together with "st" resp. "st(1)" clobber.
4680 2001-04-20 Jakub Jelinek <jakub@redhat.com>
4682 * gcse.c (gcse_main): Fix comment typo.
4683 (delete_null_pointer_check): Likewise.
4684 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
4685 * cse.c (cse_insn): Likewise.
4686 * function.c (fixup_var_refs_insns_with_hash): The sequence is
4689 2001-04-19 Zack Weinberg <zackw@stanford.edu>
4691 * toplev.c: Excise all code for the undocumented -dm option.
4692 (float_signal): Call signal just once, unconditionally.
4694 2001-04-19 Geoff Keating <geoffk@redhat.com>
4696 * fold-const.c (fold): Use first_rtl_op rather than
4697 TREE_CODE_LENGTH when looping over parameters of a tree.
4698 Correct strange grouping in test for evaluated SAVE_EXPR.
4700 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
4702 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
4703 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
4705 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
4706 name at 32 total characters.
4707 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
4708 functions in named sections -- data items can still go into unique
4709 sections, but they have normal names (ie $LIT$ and $DATA$).
4711 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
4714 2001-04-19 DJ Delorie <dj@redhat.com>
4716 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
4717 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
4718 * config/i386/cygwin.h: Likewise.
4719 * config/i386/mingw32.h: Likewise.
4720 * config/vax/vms.h: Likewise.
4721 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
4723 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
4724 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
4725 * config/i386/xm-cygwin.h: Likewise.
4726 * config/i386/xm-djgpp.h: Likewise.
4727 * config/i386/xm-mingw32.h: Likewise.
4728 * config/vax/xm-vms.h: Likewise.
4730 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
4731 instead of OBJECT_SUFFIX.
4732 * collect2.c (find_a_file): Look for files matching the extension
4733 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
4734 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
4735 TARGET_EXECUTABLE_SUFFIX.
4736 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
4737 (make_relative_prefix): Likewise.
4738 (convert_filename): Use TARGET_ suffixes throughout. Remove
4740 (process_command): Likewise.
4741 (do_spec_1): Likewise.
4742 * java/lang.c (init_parse): Likewise.
4744 * gcc.texi : Document four new options matching the pattern
4745 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
4746 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
4747 documentation for NO_AUTO_EXE_SUFFIX.
4749 2001-04-19 Mark Mitchell <mark@codesourcery.com>
4751 * toplev.h (struct lang_hooks): Allow decode_option to indicate
4752 that language-independent processing should not be done.
4753 * toplev.c (main): Adjust accordingly.
4755 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
4756 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
4758 * mips.md (reload_outputdi): Require that operand0 be a
4761 2001-04-19 Jakub Jelinek <jakub@redhat.com>
4763 * invoke.texi (-Wshadow): Clarify.
4765 2001-04-18 Mark Mitchell <mark@codesourcery.com>
4767 * loop.c (load_mems): Examine all the instructions in the loop
4768 before concluding that all jumps branch to the first instruction
4771 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
4773 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
4775 2001-04-18 Jakub Jelinek <jakub@redhat.com>
4777 * cpp.texi (-Wwhite-space): Remove.
4778 (-Wall): -Wall does not imply -Wwhite-space.
4780 2001-04-17 Zack Weinberg <zackw@stanford.edu>
4782 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
4783 use it instead of blindly generating a .stabs.
4784 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
4786 * xcoffout.c: Don't bother defining default for N_CATCH.
4787 (UNKNOWN_STAB): Use internal_error.
4788 (stab_to_sclass): Remove now-unnecessary aborts.
4789 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
4791 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
4793 * jump.c (mark_all_labels): Canonicalize the tail recursion
4794 label attached to CALL_PLACEHOLDER insns.
4796 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4798 * output.h (dump_flow_info, free_basic_block_vars,
4799 which_alternative): Delete redundant prototypes.
4801 * rtl.h (bss_section): Likewise.
4803 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
4805 * dbxout.c (N_OPT): Define if not available from <stab.h>
4807 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
4809 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
4810 libraries and native K&R compilers.
4812 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4814 * c-typeck.c (convert_arguments): Don't check for width changes
4817 * invoke.texi (-Wtraditional): Update documentation.
4819 2001-04-16 Zack Weinberg <zackw@stanford.edu>
4821 * toplev.c (output_lang_identify): Delete.
4822 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
4823 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
4824 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
4825 after calling ASM_FILE_END.
4827 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
4828 Instead, unconditionally emit an N_OPT stab with string equal
4829 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
4831 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
4833 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
4834 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
4835 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
4836 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
4837 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
4838 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
4839 config/i370/i370.h, config/i386/beos-elf.h,
4840 config/i386/osf1elf.h, config/i386/osfrose.h,
4841 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
4842 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
4843 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
4844 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
4845 config/mips/iris6.h, config/mips/osfrose.h,
4846 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
4847 config/sparc/sp64-elf.h:
4848 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
4849 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
4851 * config/elfos.h, config/freebsd.h, config/linux.h,
4852 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
4853 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
4854 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
4855 of ASM_FILE_START which merely emit a .version directive. Delete
4856 definitions of ASM_FILE_END which merely emit an .ident directive.
4858 * config/avr/avr.h, config/vax/vax.h: Delete definition of
4859 ASM_IDENTIFY_GCC and move part of its logic into
4862 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
4863 config/sparc/linux-aout.h: Don't emit .version directive in
4866 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
4867 (output_file_start): Correct comment.
4869 * config/i386/osfrose.h: Don't emit trailing .ident directive.
4870 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
4872 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
4873 * config/rs6000/aix.h: Correct comment.
4875 * config/i386/i386afe.h: Delete.
4876 * config.gcc: Remove references to i386afe.h.
4878 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
4879 other macros deleted by this patch were undocumented.
4881 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
4883 * pa.md (reload_outdi): Operand 0 must be a non hard register.
4885 * pa.c (secondary_reload_class): SAR<->FP copies require a
4888 * install.texi (mips-mips-bsd): Update list of functions
4889 required to include memmove.
4890 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
4891 used functions to include memmove.
4893 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
4895 * i386.md (sqrtdf2): SFmode should be DFmode.
4897 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
4899 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
4900 (find_moveable_store): Likewise.
4902 2001-04-15 Jim Wilson <wilson@redhat.com>
4904 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
4906 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
4908 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
4909 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
4911 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
4913 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
4916 2001-04-14 Alan Modra <amodra@one.net.au>
4918 * pa.c (force_mode): New function.
4919 (emit_move_sequence): Use it instead of generating new rtx_REGs.
4921 2001-04-13 Jim Wilson <wilson@redhat.com>
4923 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
4924 (first_instruction): New static variable.
4925 (rtx_needs_barrier): Return 1 for alloc.
4926 (init_insn_group_barriers): Set first_instruction.
4927 (rws_sum): Delete duplicate definition.
4928 (group_barrier_needed_p): Return 0 when first_instruction true.
4929 (safe_group_barrier_needed_p): Save and restore first_instruction
4930 around group_barrier_needed_p call.
4932 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
4934 * expr.h (enum libfunc_index): Add LTI_memmove.
4935 (memmove_libfunc): Define macro.
4936 * optabs.c (init_optabs): Initialize memmove_libfunc.
4937 * expr.c (expand_assignment): Use memmove_libfunc instead of
4940 2001-04-13 Alan Modra <alan@linuxcare.com.au>
4942 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
4945 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4947 * Makefile.in (reg-stack.o): Depend on reload.h.
4948 (insn-attrtab.o): Depend on flags.h.
4950 * genattrtab (main): Include flags.h in insn-attrtab.c.
4952 * reg-stack.c: Include reload.h.
4954 * sparc.h (flag_pic): Delete redundant declaration.
4956 * output.h (flag_pic): Likewise.
4958 * tree.h (pedantic): Likewise.
4960 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4962 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
4964 * jump.c, regmove.c, toplev.c: Include reload.h.
4966 * reload.h (reload_cse_regs): Declare.
4968 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
4969 reload_cse_regs, init_reload, mark_home_live, reload,
4970 init_caller_save): Delete redundant prototypes.
4972 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4974 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
4976 * regclass.c, ssa.c: Include expr.h.
4978 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
4979 gen_move_insn): Delete redundant declarations.
4981 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4983 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
4984 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
4985 MAKEINFO and MAKEINFOFLAGS too.
4986 (stage4_build): Correctly order -B flags.
4988 2001-04-13 Alan Modra <amodra@one.net.au>
4990 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
4991 PIC_OFFSET_TABLE_SAVE_RTX.
4992 (zdepi_cint_p): Describe zdepi insn.
4993 Formatting and white space fixes throughout file.
4995 * pa.c (uint32_operand): Don't use long constant >= 2^32.
4996 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
4997 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
4998 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
4999 (output_64bit_and): Use plain `int's for shift counts.
5000 (output_64bit_ior): Likewise.
5001 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
5002 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
5005 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
5006 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
5007 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
5008 NEW_HP_ASSEMBLER into one. Kill warnings.
5010 * pa-gas.h: Delete file.
5011 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
5012 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
5013 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
5014 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
5016 * config/pa/mill32.S: New file.
5017 * config/pa/mill64.S: New file.
5018 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
5019 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
5020 * config/pa/t-linux64: New file.
5021 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
5022 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
5023 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
5025 * elfos.h (SELECT_SECTION): Undef before defining.
5026 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
5027 (LIB_SPEC): Remove -lmilli.
5028 (DBX_REGISTER_NUMBER): Remove.
5029 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
5030 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
5031 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
5032 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
5033 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
5034 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
5035 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
5036 TARGET_GAS): Define.
5037 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
5038 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
5039 regs if we don't have a prototype.
5040 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
5041 * pa.h (TARGET_ELF32): Default to 0 if undefined.
5042 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
5043 EH_RETURN_HANDLER_RTX): Define.
5044 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
5045 (DWARF_FRAME_REGNUM): Define.
5046 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
5047 * pa32-linux.h: New file.
5048 * pa64-linux.h: New file.
5050 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
5051 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
5052 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
5053 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
5054 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
5055 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
5056 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
5057 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
5058 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
5059 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
5060 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
5061 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
5062 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
5063 * pa64-hpux.h: New file.
5064 (ASM_FILE_START): Correct typo.
5065 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
5066 * config.gcc: Modify for above.
5068 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
5070 * jump.c (jump_optimize_1): Don't delete dead stores here.
5071 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
5072 prior to running jump optimize before cse2.
5074 2001-04-12 Richard Henderson <rth@redhat.com>
5076 * Makefile.in (regmove.o): Depend on except.h.
5077 * regmove.c: Include it.
5079 2001-04-12 Stan Shebs <shebs@apple.com>
5081 * objc/objc-act.c: Remove all code ifdefed with the never-used
5082 macro OBJC_INT_SELECTORS.
5083 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
5084 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
5086 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
5088 * config/pa/quadlib.c: Add prototypes.
5090 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5092 * bitmap.h (debug_bitmap): Delete redundant prototype.
5094 * rtl.h (get_frame_size): Likewise.
5096 2001-04-12 Jim Wilson <wilson@redhat.com>
5098 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
5099 to just emit an fnorm.
5101 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5103 * c-common.h (truthvalue_conversion, type_for_mode,
5104 type_for_size): Delete redundant declarations.
5106 * c-lex.h (is_class_name): Likewise.
5108 * c-tree.h (pedantic, convert, getdecls, gettags,
5109 global_bindings_p, init_decl_processing, insert_block,
5110 maybe_build_cleanup, poplevel, print_lang_decl,
5111 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
5112 set_block, incomplete_type_error, build_function_call,
5113 lvalue_or_else, mark_addressable): Likewise.
5115 * expr.h (expand_tree_builtin): Likewise.
5117 2001-04-12 Mark Mitchell <mark@codesourcery.com>
5119 * invoke.texi: Document --param max-gcse-memory.
5121 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5123 * configure.in (errno): Check for declaration.
5124 * configure, config.in: Regenerated.
5126 * system.h (errno): Only declare if not already done.
5128 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
5130 * recog.c (general_operand, immediate_operand,
5131 nonmemory_operand): Require CONST_INTs to be sign-extended
5132 values for their modes.
5134 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
5136 * expmed.c (store_bit_field): Truncate CONST_INTs.
5137 (expand_mult_highpart, expand_divmod): Likewise.
5138 * expr.c (convert_modes, store_field): Likewise.
5139 * integrate.c (expand_inline_function): Use promote_mode() to
5140 determine whether to convert_modes() an argument as signed
5142 * optabs.c (expand_binop): Get CONST_INT operands
5143 sign-extended for their appropriate modes.
5144 * stmt.c (emit_case_nodes): Convert node values to the
5146 (expand_end_case): Convert minval and range to the appropriate
5148 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
5149 the iteration variable.
5150 * varasm.c (immed_double_const): Don't require words to be
5151 narrower than host wide ints to properly sign-extend
5154 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
5156 * sh.md (builtin_setjmp_receiver): New expander.
5158 2001-04-12 David Edelsohn <dje@watson.ibm.com>
5160 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
5161 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
5162 for generating CONST_INT and CONST_DOUBLE.
5164 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
5166 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
5167 already sign-extended.
5168 (rs6000_emit_prologue): Make register iterator signed.
5169 (rs6000_emit_epilogue): Likewise.
5170 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
5172 (movsf split, movdf split): Sign-extend CONST_INTs.
5173 (movdi splits): Likewise.
5175 2001-04-12 Kelley Cook <kelley.cook@home.com>
5177 * config-lang.in (lang_dirs): Add in zlib.
5179 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
5181 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
5182 operands that make it to RTL.
5184 2001-04-11 Stan Shebs <shebs@apple.com>
5186 Add Darwin (Mac OS X kernel) native support.
5187 * config.gcc (powerpc-*-darwin*): Add native bits.
5188 * config/darwin.c: New file, generic Darwin support functions.
5189 * config/darwin.h: New file, generic Darwin definitions.
5190 * config/darwin-protos.h: New file, generic Darwin prototypes.
5191 * rs6000/darwin.h: New file, Darwin for PowerPC.
5192 * rs6000/t-darwin: New file, Darwin makefile fragment.
5193 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
5194 (TARGET_MACHO): Ditto.
5195 (rs6000_abi): Add ABI_DARWIN.
5196 (RS6000_REG_SAVE): Add ABI_DARWIN case.
5197 (RS6000_SAVE_AREA): Ditto.
5198 (FP_ARG_MAX_REG): Ditto.
5199 (RETURN_ADDRESS_OFFSET): Ditto.
5200 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
5202 (rs6000_emit_move): Add ABI_DARWIN cases.
5203 (print_operand): Ditto.
5204 (first_reg_to_save): Ditto.
5205 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
5206 (debug_stack_info): Ditto.
5207 (rs6000_emit_prologue): Ditto.
5208 (rs6000_emit_epilogue): Ditto.
5209 (output_profiler_hook): Ditto.
5210 (output_function_profiler): Ditto.
5211 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
5212 (output_mi_thunk): Add TARGET_MACHO case.
5213 (add_compiler_stub): Ditto.
5214 (output_compiler_stub): Ditto.
5215 (no_previous_def): Ditto.
5216 (output_call): Ditto.
5217 (machopic_output_stub): Ditto.
5218 (rs6000_machopic_legitimize_pic_address): Ditto.
5219 (toc_section): Ditto.
5220 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
5221 (macho_high): Ditto.
5224 (load_macho_picbase): Ditto.
5225 (call): Add TARGET_MACHO case to modify function.
5226 (call_value): Ditto.
5227 (call_nonlocal_sysv): Add ABI_DARWIN case.
5228 (call_value_nonlocal_sysv): Ditto.
5229 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
5231 (machopic_output_stub): Ditto.
5232 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
5234 2001-04-11 Mark Mitchell <mark@codesourcery.com>
5236 * dwarf2out.c (modified_type_die): Don't create new types here.
5237 * tree.h (get_qualified_type): New function.
5238 (build_qualified_type): Adjust comment.
5239 * tree.c (get_qualified_type): New function.
5240 (build_qualified_type): Use it.
5242 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5244 * cpp.texi (-Wtraditional): Update description.
5246 * invoke.texi (-Wtraditional): Likewise.
5248 2001-04-11 Jim Wilson <wilson@redhat.com>
5250 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
5251 requires more than 64 bits of alignment.
5253 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
5255 * cpplib.c (do_line): Sanity check iff enable checking.
5257 2001-04-11 Richard Henderson <rth@redhat.com>
5259 * Makefile.in (insn-recog.o): Depend on toplev.h.
5260 (insn-emit.o, doloop.o): Likewise.
5261 * genrecog.c, genemit.c: Include toplev.h in generated file.
5262 * doloop.c: Include toplev.h.
5264 2001-04-11 Mark Mitchell <mark@codesourcery.com>
5266 * Makefile.in (gcse.o): Depend on params.h.
5267 * gcse.c: Include params.h.
5268 (gcse_main): Don't do GCSE if doing so will take inordinate
5270 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
5271 * params.h (MAX_GCSE_MEMORY): New macro.
5273 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5275 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
5277 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
5279 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5281 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
5283 * real.h (ereal_atof, real_value_truncate, target_isnan,
5284 target_isinf, target_negative, assemble_real, debug_real): Delete
5285 redundant prototypes.
5287 * Makefile.in (ifcvt.o): Depend on toplev.h.
5289 * c-semantics.c: Include expr.h.
5291 * ifcvt.c: Include toplev.h.
5293 * expr.h (rtx_equal_p): Delete prototype.
5295 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
5296 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
5297 eliminate_constant_term, expand_complex_abs, find_single_use,
5298 make_tree, init_expr_once, init_optabs, supports_one_only):
5301 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
5302 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
5303 expand_assignment, store_expr, emit_line_note_after,
5304 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
5306 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
5308 * sparc-protos.h: Delete redundant prototypes.
5310 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
5312 * reload.c (push_reload): Add condition missed in SUBREG byte
5315 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5317 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
5319 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
5321 * i386.md (floatsisf_sse): Fix output template
5322 * i386.c (ix86_expand_fp_movcc)
5324 * reg-stack.c (emit_pop_insn): Handle complex modes.
5325 (move_for_stack_reg): Emit proper move mode.
5326 (subst_stack_regs_pat): Handle complex modes.
5328 2001-04-11 Jakub Jelinek <jakub@redhat.com>
5330 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
5332 2001-04-10 Richard Henderson <rth@redhat.com>
5334 * libgcc2.h (__terminate_func_ptr): Remove typedef.
5335 (__pure_virtual, __terminate, __terminate_set_func,
5336 __default_terminate, __throw_type_match, __empty,
5337 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
5338 __eh_rtime_match, __unwinding_cleanup, __rethrow,
5339 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
5340 Remove prototypes of deleted functions.
5342 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5344 * c-typeck.c (convert_arguments): -Wtraditional now activates
5345 -Wconversion warnings, except for changes in signed-ness.
5346 Detect complex<->int & int<->complex conversions as well.
5348 * invoke.texi (-Wtraditional): Document it.
5350 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5352 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
5353 * flow.c (set_block_for_new_insns): Remove needless cast and
5354 properly check for unset block number.
5356 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
5358 * function.c (purge_single_hard_subreg_set): Only check REGNO if
5359 the subreg was a hard register. Pseudos are left as subregs.
5361 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5363 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
5364 (LIB2ADD_ST): New macro, pass it to mklibgcc.
5365 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
5366 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
5367 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
5369 2001-04-09 Bo Thorsen <bo@suse.co.uk>
5371 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
5373 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
5375 * output.h (set_block_num): Missed it earlier, remove deprecated
5378 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
5380 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
5381 (load_killed_in_block_p): Change bb parameter from int to basic_block.
5382 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
5383 (handle_rd_kill_set): Change bb parameter from int to basic_block.
5384 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
5385 (expr_killed_p): Change bb parameter from int to basic_block, pass
5386 basic_blocks instead of ints as parameters.
5387 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
5388 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
5389 from int to basic_block, pass basic_blocks instead of ints as parms.
5390 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
5391 parameter from int to basic_block, pass basic_blocks instead of ints.
5392 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
5393 (insert_insn_end_bb): Change bb parameter from int to basic_block,
5394 pass basic_blocks instead of ints.
5395 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
5396 basic_blocks instead of ints as parameters.
5397 (pre_delete): Pass basic_blocks instead of ints as parameters.
5398 (hoist_expr_reaches_here_p): Change bb parameter from int to
5399 basic_block, pass basic_blocks instead of ints.
5400 (hoist_code): Pass basic_blocks instead of ints as parameters.
5401 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
5402 Change bb parameter from int to basic_block.
5403 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
5404 (insert_insn_start_bb): Change bb parameter from int to basic_block,
5405 pass basic_blocks instead of ints.
5406 (insert_store): Pass basic_blocks instead of ints as parameters.
5407 (replace_store_insn, delete_store): Change bb parameter from int to
5408 basic_block, pass basic_blocks instead of ints.
5409 (store_motion): Pass basic_blocks instead of ints as parameters.
5411 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
5413 * basic-block.h (set_new_block_for_insns): New Prototype.
5414 (set_block_num): Delete prototype.
5415 * flow.c (set_block_num): Remove obsolete function.
5416 (set_block_for_new_insns): Set BB for single or multiple insns.
5417 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
5418 (process_insn_end_bb): Use set_block_for_new_insns or
5419 set_block_for_insn instead of set_block_num.
5420 (pre_insert_copy_insn): Use set_block_for_new_insns.
5421 (update_ld_motion_stores): Use set_block_for_new_insns.
5422 (insert_insn_start_bb): Use set_block_for_new_insns.
5423 (replace_store_insn): Use set_block_for_new_insns.
5425 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
5426 Jeff Law <law@redhat.com>
5428 * alias.c (get_addr): Externalize.
5429 (canon_true_dependence): New function. Behaves like true_dependance
5430 except it already assumes a MEM has been canonicalized.
5431 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
5432 * gcse.c (struct ls_expr): Add load/store expressions structure.
5433 (modify_mem_list, canon_modify_mem_list): New variable.
5434 (gcse_main): Initialize & finalize alias analysis. Use enhanced
5435 load motion and store motion if requested.
5436 (alloc_gcse_mem): Allocate space for modify_mem_list array.
5437 (free_gcse_mem): Free the modify_mem_list array.
5438 (oprs_unchanged_p): Use load_killed_in_block_p.
5439 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
5440 (mems_conflict_for_gcse_p): New function. Don't kill loads
5441 with stores to themselves if its in the load/store expression list.
5442 (load_killed_in_block_p): New function.
5443 (canon_list_insert): New Function.
5444 (record_last_mem_set_info): Keep a list of all instructions which
5445 can modify memory for each basic block.
5446 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
5447 (oprs_not_set_p): Use load_killed_in_block_p.
5448 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
5449 (expr_killed_p): Use load_killed_in_block_p.
5450 (compute_transp): Do not pessimize memory references.
5451 (pre_edge_insert): Update stores for a load motion expression.
5452 (one_pre_gcse_pass): Check loads/stores for extra load motion.
5453 (ldst_entry): Find or create a ldst_expr structure.
5454 (free_ldst_entry): Free memory for an individual item.
5455 (free_ldst_mems): Free entire load/store expression list.
5456 (print_ldst_list): Print debug info.
5457 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
5458 (enumerate_ldsts): Assign integer values to each entry in list.
5459 (first_ls_expr): First expression in the list.
5460 (next_ls_expr): Next expression in the list.
5461 (simple_mem): Check if expression qualifies for ld/st expression list.
5462 (invalidate_any_buried_refs): Remove from expression list if its
5463 used in some other way we dont understand.
5464 (compute_ld_motion_mems): Find all potential enhanced load motion
5466 (trim_ld_motion_mems): Remove any expressions which are invalid.
5467 (update_ld_motion_stores): Copy store values to registers for loads
5468 which have been moved.
5469 (regvec, st_antloc, num_store): New global statics.
5470 (reg_set_info): Marks registers as set.
5471 (store_ops_ok): Verfies registers expressions are valid in a block.
5472 (find_moveable_store): Look for moveable stores in a pattern.
5473 (compute_store_table): Find stores in a function worth moving, maybe.
5474 (load_kills_store): Check dependance of a load and store.
5475 (find_loads): Find any loads in a pattern.
5476 (store_killed_in_insn): Check if a store is killed in an insn.
5477 (store_killed_after): Check is store killed after an insn in a block.
5478 (store_killed_before): Check is store killed before an insn in a block.
5479 (build_store_vectors): Generate the antic and avail vectors.
5480 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
5481 (insert_store): Add a store to an edge.
5482 (replace_store_insn): Replace a store with a SET insn.
5483 (delete_store): Delete a store insn.
5484 (free_store_memory): Free memory.
5485 (store_motion): Perform store motion.
5486 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
5487 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
5488 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
5489 (f_options): Add gcse-lm and gcse-sm.
5491 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
5493 * i386.c (expand_fp_movcc): Fix condition reversal code.
5495 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
5496 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
5497 (CLASS_MAX_NREGS): Use it.
5499 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
5500 handle properly complex values.
5501 (CLASS_MAX_NREGS): Likewise; update comment.
5503 2001-04-05 Bernd Schmidt <bernds@redhat.com>
5505 * ia64.c (ia64_flag_schedule_insns2): New variable.
5506 (ia64_override_options): Initialize it. Clear
5507 flag_schedule_insns_after_reload.
5508 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
5510 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
5512 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
5513 Do not require source to match destination anymore;
5514 Add abort to the nontrivial cases that should be handled by split.
5515 (fix_trunc?fdi): Add SSE case for x86_64.
5516 (floatdi?f): Likewise.
5517 (floatdi?f_sse): New.
5518 (fix_trunc?fdi_sse): New.
5520 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
5522 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
5523 (DEBUG_ARANGES_END_LABEL): Ditto.
5524 (dwarfout_init): Generate length and version fields at the start
5525 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
5526 after the length field.
5527 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
5528 the .debug_aranges info.
5530 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
5532 * i386.c (call, call_value): Make sure that resulting call_insn
5533 does have proper second operand.
5535 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
5537 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
5538 function. Remove include of sys/cygwin.h.
5540 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
5542 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
5543 (CPP_SPEC): Always search */include/w32api for header files.
5544 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
5545 (LINK_SPEC): Add "cyg" to the library search prefixes.
5547 2001-04-08 Philip Blundell <philb@gnu.org>
5549 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
5551 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
5553 * cpperror.c (print_location): Don't special case <stdin>.
5554 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
5555 WARNING, but we don't check if we're in system headers.
5556 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
5557 * cpplib.c (do_warning): Warn in system headers.
5559 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
5561 * mbchar.c: Include config.h first.
5563 2001-04-07 Zack Weinberg <zackw@stanford.edu>
5565 * config.gcc: Set default for xmake_file at top, not bottom.
5566 Change places that set xmake_file to "none" to set to the
5567 empty string instead, or remove them entirely if there is no
5568 default xmake_file for this cpu_type. Remove references to
5571 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
5572 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
5573 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
5574 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
5575 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
5576 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
5577 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
5578 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
5579 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
5580 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
5583 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
5584 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
5585 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
5586 config/mips/x-sysv, config/rs6000/x-aix31:
5587 Just set CLIB to -lld or -lmld, as appropriate.
5589 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
5590 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
5591 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
5592 config/mips/x-iris, config/pa/x-pa:
5593 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
5594 OTHER_FIXINCLUDES_DIRS.
5596 * config/i386/x-djgpp: Don't set LN or LN_S.
5597 * config/m88k/x-dolph: Don't define __m88k__.
5598 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
5599 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
5600 * config/i860/fx2800.h: No need to #undef SVR4.
5602 38 x-host fragments remain, 2 x-cpu.
5604 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5606 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
5608 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
5610 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
5612 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
5614 * configure.in: Add check for lstat.
5615 * configure, config.in: Regenerate.
5616 * cppinit.c (append_include_chain): Make empty path ".".
5617 * cpplib.c (do_line): Don't simplify #line paths.
5618 * cppfiles.c (remove_component_p): New function.
5619 (find_or_create_entry): Acknowledge stat () errors during
5620 path simplification.
5621 (handle_missing_header): Don't simplify paths.
5622 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
5623 the empty path untouched. Don't leave a trailing '/'.
5625 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
5627 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
5628 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
5630 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
5632 * cppfiles.c (open_file): Fail directories silently, but
5633 with an errno of NOENT set.
5634 (read_include_file): Move the common exit code to the sole
5635 caller. Return an int indicating success or failure. Let
5636 open_file handle directories.
5637 (stack_include_file): If read_include_file fails,
5638 push a "null" buffer.
5640 2001-04-05 DJ Delorie <dj@redhat.com>
5642 * function.h (virtuals_instantiated): Declare.
5643 * function.c: (virtuals_instantiated): Make global.
5644 * calls.c (emit_library_call_value_1): Use
5645 virtual_outgoing_args_rtx only if it hasn't been instantiated.
5646 Otherwise, use the stack pointer directly.
5648 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
5650 * i386.c (x86_initialize_trampoline): New global function.
5651 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
5652 (INITIALIZE_TRAMPOLINE): Move offline.
5653 * i386-protos.h (x86_initialize_trampoline): Declare.
5655 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
5657 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
5658 (lea_0): Rename to lea_1.
5659 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
5660 (lea_general_?): Allow SImodes on TARGET_64BIT
5661 (lea_general_?_zext): New patterns.
5662 (call_1, call_1_rex64): Fix.
5664 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
5666 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
5668 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
5670 * i386.c (function_arg): Return constm1_rtx for last argument.
5671 (ix86_expand_prologue): Update gen_call calls.
5672 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
5673 * i386.md (call_pop): Likewise.
5674 (call): Second operand is VOIDmode.
5675 (call_0): Likewise; Support 64bits.
5676 (call_exp): New expander.
5677 (call_1): Get to the sync.
5678 (call_1_exp): New pattern.
5679 (call_value): Support 64bit.
5680 (call_value_exp): New pattern.
5681 (untyped_call): Update gen_call call.
5682 (call_value_pop): Disable for 64bit.
5683 (call_value_0_rex64): New pattern.
5684 (call_value_1_rex64): Likewise.
5686 2001-04-05 Bo Thorsen <bo@suse.de>
5688 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
5690 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
5692 * i386.md (*andsi_1+3): If used after reload, make sure the operand
5693 satisfies ANY_QI_REG_P.
5695 2001-04-05 Bernd Schmidt <bernds@redhat.com>
5697 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
5700 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
5703 2001-04-04 Zack Weinberg <zackw@stanford.edu>
5705 * config.gcc: Remove default for xm_file. Clean up local
5706 machine type handling. Remove settings of xm_file to
5707 something that doesn't exist. In the big switch, set xm_file,
5708 don't append to it (the value before the big switch is always
5709 null). Don't force build_xm_file or host_xm_file to have a value.
5710 * configure.in: Remove default for xm_file. Do not special
5711 case $cpu/xm-$cpu.h not existing.
5712 * configure: Regenerate.
5714 2001-04-04 Diego Novillo <dnovillo@redhat.com>
5716 * simplify-rtx.c (simplify_binary_operation): Check for overflow
5717 when folding integer division and modulo operations.
5719 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
5721 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
5722 instead of DWARF2_ADDR_SIZE for EH addresses.
5723 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
5726 2001-04-04 Richard Henderson <rth@redhat.com>
5728 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
5729 * config/ia64/t-glibc (LIB2ADDEH): Disable.
5730 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
5732 2001-04-04 Richard Henderson <rth@redhat.com>
5734 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
5735 * configure: Rebuilt.
5737 2001-04-04 Jakub Jelinek <jakub@redhat.com>
5739 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
5740 push insns to delete to it instead of deleting them.
5741 (delete_null_pointer_checks): Delete insns from delete_list after
5742 all delete_null_pointer_checks_1 passes are done.
5744 2001-04-04 Richard Henderson <rth@redhat.com>
5746 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
5747 * configure: Rebuilt.
5749 2001-04-04 Zack Weinberg <zackw@stanford.edu>
5751 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
5752 * config/romp/xm-romp.h: Delete.
5754 2001-04-04 Bernd Schmidt <bernds@redhat.com>
5756 * sched-deps.c (sched_analyze_insn): Partially revert March 27
5759 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5761 * emit-rtl.c (mark_label_nuses) Increment the label uses for
5762 all labels present in rtx.
5763 (try_split) Call new function for all split insns.
5765 2001-04-04 Jakub Jelinek <jakub@redhat.com>
5767 * recog.c (validate_replace_rtx_1): Instead of aborting just make
5768 sure the change won't be validated.
5770 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
5772 * rtl.h (set_noop_p): Declare.
5773 * flow.c (set_noop_p): Move from here ...
5774 * rtlanal.c (set_noop_p): ... to here and enhance.
5775 * cse.c (delete_trivially_dead_insns): Use it.
5776 * gcse.c (hash_scan_set): Likewise.
5777 * jump.c (delete_noop_moves): Likewise.
5778 * recog.c (split_all_insns): Likewise.
5780 2001-04-04 Alan Modra <alan@linuxcare.com.au>
5782 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
5783 stack pointer via a LO_SUM. Ditto for setting a temp register
5784 used to save to the stack. Set cfa_temp when setting fp, and
5785 allow matches to cfa_temp in addition to cfa_store when saving
5786 regs. Handle POST_INC and LO_SUM register stores. Document the
5787 changes and errors in rule 12 doco.
5789 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
5790 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
5791 (load_reg): Move closer to epilogue code.
5792 (DO_FRAME_NOTES): Define to control the following..
5793 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
5794 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
5796 (hppa_expand_epilogue): Likewise.
5798 2001-04-03 Richard Henderson <rth@redhat.com>
5800 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
5801 * configure: Rebuild.
5803 2001-04-03 Richard Henderson <rth@redhat.com>
5805 * rtl.h (LCT_THROW): New.
5806 * calls.c (emit_library_call_value_1): Handle it.
5807 * except.c (connect_post_landing_pads): Use it.
5809 2001-04-03 Zack Weinberg <zackw@stanford.edu>
5811 * gansidecl.h: Delete file.
5812 * configure.in: Change all refs to gansidecl.h to use
5813 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
5815 * configure: Regenerate.
5817 * Makefile.in (intl.o): Don't depend on gansidecl.h.
5818 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
5819 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
5820 Don't include gansidecl.h.
5821 * intl.c, main.c, version.c, fixinc/fixlib.h,
5822 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
5825 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
5827 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
5830 2001-04-03 Zack Weinberg <zackw@stanford.edu>
5832 * config/i386/xm-beos.h, config/i386/xm-isc.h,
5833 config/i386/xm-next.h, config/i386/xm-sco.h,
5834 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
5835 config/m88k/xm-m88k.h: Delete.
5837 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
5838 * config/romp/xm-romp.h: Don't define bcopy.
5839 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
5840 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
5842 * config.gcc: Remove references to deleted files.
5844 14 xm-host.h remain, 1 xm-cpu.h.
5846 2001-04-03 Jakub Jelinek <jakub@redhat.com>
5847 David S. Miller <davem@pierdol.cobaltmicro.com>
5848 Andrew MacLeod <amacleod@redhat.com>
5850 Use byte offsets in SUBREGs instead of words.
5852 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
5853 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
5854 to pass new argument.
5855 (add_stored_regs): Use subreg_regno_offset function.
5856 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
5858 (precompute_arguments): Use gen_lowpart_SUBREG.
5859 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
5860 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
5861 (simplify_set): Rework to use SUBREG_BYTE.
5862 (expand_field_assignment): Use SUBREG_BYTE.
5863 (make_extraction): Use SUBREG_BYTE.
5864 (if_then_else_cond): Use SUBREG_BYTE.
5865 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
5866 (gen_lowpart_for_combine): Compute full byte offset.
5867 * cse.c (mention_regs): Use SUBREG_BYTE.
5868 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
5869 (canon_hash): Use SUBREG_BYTE.
5870 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
5871 (gen_lowpart_if_possible): Formatting.
5872 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
5874 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
5875 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5876 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5877 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
5878 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5879 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5880 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
5881 certain invariants about SUBREGs the compiler creates.
5882 (gen_lowpart_SUBREG): New function.
5883 (subreg_hard_regno): New function to get the final register number.
5884 (gen_lowpart_common): Use SUBREG_BYTE.
5885 (gen_imagpart): Spacing nits.
5886 (subreg_realpart_p): Use SUBREG_BYTE.
5887 (gen_highpart): Use SUBREG_BYTE.
5888 (subreg_lowpart_p): Always compute endian corrected goal offset,
5889 even at the byte level, then compare against that.
5890 (constant_subword): New function, pulled out all constant cases
5891 from operand_subword and changed second argument name to offset.
5892 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
5893 and call constant_subword to do the work. Return const0_rtx if
5894 looking for a word outside of OP.
5895 (operand_subword_force): Change second arg name to offset.
5896 * expmed.c (store_bit_field): Use SUBREG_BYTE.
5897 (store_split_bit_field): Use SUBREG_BYTE.
5898 (extract_bit_field): Use SUBREG_BYTE.
5899 (extract_split_bit_field): Use SUBREG_BYTE.
5900 (expand_shift): Use SUBREG_BYTE.
5901 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
5902 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
5903 * flow.c (set_noop_p): Use SUBREG_BYTE.
5904 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
5905 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
5906 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
5908 (optimize_bit_field): Use SUBREG_BYTE.
5909 (purge_addressof_1): Use SUBREG_BYTE.
5910 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
5911 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
5912 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
5913 * gengenrtl.c (special_rtx): Add SUBREG.
5914 * global.c (mark_reg_store): Use SUBREG_BYTE.
5915 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
5916 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
5917 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
5918 final byte offset is congruent to subreg's mode size.
5919 (subst_constants): Use SUBREG_BYTE.
5920 (mark_stores): Use subreg_regno_offset function.
5921 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
5922 function and SUBREG_BYTE.
5923 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
5924 (reg_is_born): Use subreg_hard_regno.
5925 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
5926 endian correction code. Don't combine subregs unless resulting
5927 offset aligns with type. Fix subreg constant extraction for DImode.
5928 Simplify SUBREG of VOIDmode CONST_DOUBLE.
5929 (general_operand): Remove dead mode_altering_drug code.
5930 (indirect_operand): Use SUBREG_BYTE.
5931 (constrain_operands): Use subreg_regno_offset function.
5932 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
5933 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
5934 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
5935 * regs.h (REG_SIZE): Allow target to override.
5936 (REGMODE_NATURAL_SIZE): New macro which target can override.
5937 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
5938 on the entire subreg rtx.
5939 (push_reload): Use SUBREG_BYTE in comments and code.
5940 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
5941 for hard registers inside subregs.
5942 (operands_match_p): Use subreg_regno_offset.
5943 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
5944 containing hard regs.
5945 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
5946 corrections when fixing up MEM subregs.
5947 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
5948 subreg_regno_offset where appropriate.
5949 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
5950 byte endian corrections when fixing up MEM subregs.
5951 (subst_reloads): When combining two subregs, make sure final
5952 offset is congruent to subreg's mode size.
5953 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
5954 (refers_to_regno_for_reload_p): Use subreg_regno.
5955 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
5956 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
5957 correction code for memory subreg fixups.
5958 (forget_old_reload_1): Use subreg_regno_offset.
5959 (choose_reload_regs): Use subreg_regno.
5960 (emit_input_reload_insns): Use SUBREG_BYTE.
5961 (reload_combine_note_store): Use subreg_regno_offset.
5962 (move2add_note_store): Use subreg_regno_offset.
5963 * resource.c (update_live_status, mark_referenced_resources): Use
5964 subreg_regno function.
5965 (mark_set_resources): Use subreg_regno function.
5966 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
5967 (subreg_regno_offset, subreg_regno): Define prototypes.
5968 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
5969 (gen_lowpart_SUBREG): Add prototype.
5970 * rtl.texi (subreg): Update to reflect new byte offset representation.
5971 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
5972 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
5973 (reg_overlap_mentioned_p): Use subreg_regno.
5974 (replace_regs); Make sure final offset of combined subreg is
5975 congruent to size of subreg's mode.
5976 (subreg_regno_offset): New function.
5977 (subreg_regno): New function.
5978 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
5979 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
5980 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
5981 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
5982 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
5983 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
5984 (a29k_get_reloaded_address): Use SUBREG_BYTE.
5985 (print_operand): Use SUBREG_BYTE.
5986 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
5987 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
5988 (arm_reload_out_hi): Use SUBREG_BYTE.
5989 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
5990 instead of SUBREG_WORD.
5991 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
5992 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
5993 SUBREG creation to use byte offset.
5994 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
5995 inverted load insns): Fix explicit rtl subregs to use byte
5997 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
5998 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
5999 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
6000 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
6001 to use byte offsets.
6002 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
6003 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
6004 offsets, also make sure it is congruent to SUBREG's mode size.
6005 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
6006 unnamed ldob insn): Generate SUBREGs with byte offset.
6007 (zero_extendqihi2): SUBREG's are byte offsets.
6008 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
6009 (m68hc11_gen_highpart): Use SUBREG_BYTE.
6010 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
6011 zero-extendqisi2): Generate SUBREGs with byte offset.
6012 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
6013 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
6014 subregs in rtl to use byte offsets.
6015 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
6016 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
6017 (mips_move_2words): Use subreg_regno_offset.
6018 (mips_secondary_reload_class): Use subreg_regno_offset.
6019 * config/mips/mips.md (DImode plus, minus, move, and logical op
6020 splits): Fixup explicit subregs in rtl to use byte offsets.
6021 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
6022 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
6023 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
6024 rtl to use byte offsets.
6025 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
6026 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
6027 subregs to use byte offsets.
6028 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
6029 Fixup explicit subregs in rtl to use byte offsets.
6030 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
6031 and remove byte endian correction code.
6032 * config/sh/sh.c (output_movedouble): Use subreg_regno.
6033 (gen_ashift_hi): Use SUBREG_BYTE.
6034 (regs_used): Use subreg_regno_offset.
6035 (machine_dependent_reorg): Use subreg_regno_offset.
6036 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
6037 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
6038 (movdf_i4): Subregs are byte offsets now.
6039 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
6040 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
6041 (REGMODE_NATURAL_SIZE): Override.
6042 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
6043 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
6045 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
6046 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
6047 extendqidi2): Generate SUBREGs with byte offsets, also make sure
6048 it is congruent to SUBREG's mode size.
6049 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
6051 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
6052 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
6053 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
6054 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
6055 * config/v850/v850.c (print_operand, output_move_double): Use
6056 subreg_regno function.
6058 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
6060 * configure.in (target_subdir): Use target_alias, not target.
6061 * configure: Rebuilt.
6063 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
6065 * config/sh/crti.asm: Fix typos in comments.
6067 2001-04-03 Alan Modra <alan@linuxcare.com.au>
6069 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
6070 TARGET_FAST_INDIRECT_CALLS.
6071 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
6073 (return_addr_rtx): Short circuit export stub matching when
6074 TARGET_NO_SPACE_REGS.
6075 (output_millicode_call): For out of range calls, make -fPIC
6076 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
6077 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
6078 * pa.md: Modify length attr calculation of all millicode insns to
6081 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
6083 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
6084 Require at least 2.11 in the version test. Specifically check
6085 for and reject GAS version 2.10.90.
6086 * configure: regenerate.
6088 2001-04-03 Alan Modra <alan@linuxcare.com.au>
6090 * pa.c (override_options): Remove PIC profiling warning.
6091 (hp_profile_labelno): Delete.
6092 (hp_profile_label_rtx): Delete.
6093 (hp_profile_label_name): Delete.
6094 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
6095 (output_function_prologue): Remove profiling code and all tests on
6096 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
6097 merge_sp_adjust_with_store can work for PIC and profiling.
6098 (hppa_expand_epilogue): Remove profile_flag test.
6099 (hppa_can_use_return_insn_p): Likewise.
6100 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
6101 cater for PROFILE_HOOK.
6102 (hppa_profile_hook): New function.
6103 * pa.h (FUNCTION_PROFILER): Now does nothing.
6104 (PROFILE_HOOK): Define.
6105 (hppa_profile_hook): Declare.
6106 (PROFILE_BEFORE_PROLOGUE): Delete.
6107 (ASM_OUTPUT_REG_PUSH): Delete.
6108 (ASM_OUTPUT_REG_POP): Delete.
6109 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
6110 r24. Accept function name operand, and use this and a locally
6111 generated label to calculate pc-rel offset to func start.
6113 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6115 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
6116 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
6119 2001-04-03 Alan Modra <alan@linuxcare.com.au>
6121 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
6122 LO_SUM cases to where they belong.
6124 2001-04-02 Richard Henderson <rth@redhat.com>
6126 * except.h (lang_eh_type_covers): Mark extern.
6127 (lang_eh_runtime_type): Likewise.
6129 2001-04-02 Zack Weinberg <zackw@stanford.edu>
6131 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
6132 gengenrtl.c: Wrap generated header in multiple-include guard.
6133 Improve error checking.
6135 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6137 * configure.in: Don't check for putenv.
6138 * configure: Regenerate.
6139 * gcc.c (putenv): Don't define.
6140 * vax/xm-vms.h: Handle putenv.
6142 2001-04-02 Jakub Jelinek <jakub@redhat.com>
6144 * ifcvt.c (noce_emit_move_insn): New.
6145 (noce_try_store_flag, noce_try_store_flag_constants,
6146 noce_try_store_flag_inc, noce_try_store_flag_mask,
6147 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
6148 noce_try_abs): Use it.
6149 (noce_process_if_block): Likewise.
6150 For STRICT_LOW_PART, take mode from its SUBREG.
6152 2001-04-02 Jakub Jelinek <jakub@redhat.com>
6154 * fold-const.c (fold): Before optimizing unsigned comparison with
6155 0x7fffffffU, make sure arg0 is integral type.
6157 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
6159 * c-tree.texi: Document representation of wide strings.
6161 2001-04-01 Richard Henderson <rth@redhat.com>
6163 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
6165 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
6167 * i386.md: remove obsoleted comments.
6168 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
6169 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
6170 fix output template.
6172 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
6174 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
6176 2001-03-30 Bernd Schmidt <bernds@redhat.com>
6178 * loop.c (load_mems): When generating a load from a pseudo, update
6181 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
6183 * i386.c (ix86_split_long_move): Use change address to compensate
6184 stack pointer change in push instruction.
6186 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
6188 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
6189 instead of rtx_equal_p; fix the output template.
6191 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
6193 * i386.c (ix86_expand_setcc): Support 64bit.
6194 (ix86_expand_int_movcc): Likewise.
6195 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
6198 * i386.md (allocate_stack_worker): Turn to expander.
6199 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
6201 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
6203 2001-03-29 Richard Henderson <rth@redhat.com>
6205 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
6207 2001-03-28 Matthew Hiller <hiller@redhat.com>
6209 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
6212 * MAINTAINERS: Added self.
6214 2001-03-28 Richard Henderson <rth@redhat.com>
6216 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
6217 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
6219 2001-03-28 Jim Wilson <wilson@redhat.com>
6221 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
6224 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6226 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
6228 * tradcif.y (yyerror): Likewise. Add format specifier in call to
6231 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
6233 2001-03-28 DJ Delorie <dj@redhat.com>
6235 * Makefile.in (stage1_build): Revert CFLAGS patch.
6237 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
6239 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
6240 when multiplier or multiplicand is zero.
6242 2001-03-28 Bernd Schmidt <bernds@redhat.com>
6244 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
6246 * config/ia64/ia64.c (update_set_flags): New function, broken out of
6248 (set_src_needs_barrier): Likewise.
6249 (rtx_needs_barrier): For SET case, use these two functions. Rework
6250 PARALLEL case to handle all inputs before all outputs.
6251 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
6252 saw a label and no stop bit since then.
6253 (maybe_rotate, process_epilogue): Add prototypes.
6255 2001-03-28 Richard Henderson <rth@redhat.com>
6257 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
6258 not TARGET_TOC for special toc restore handling.
6259 * config/rs6000/rs6000.md (eh_return): Likewise.
6261 2001-03-28 Richard Henderson <rth@redhat.com>
6263 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
6264 current_function_calls_eh_return.
6265 (output_function_epilogue): Handle eh_return.
6266 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
6267 (EH_RETURN_DATA_REGNO): New.
6268 (EH_RETURN_STACKADJ_RTX): New.
6269 (EH_RETURN_HANDLER_RTX): New.
6270 * config/sparc/sparc.md (call/short branch peepholes): Check
6271 can_throw_internal instead of in_same_eh_region.
6273 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
6274 for eh_return data registers.
6275 (rs6000_emit_prologue): Save eh_return data registers.
6276 (rs6000_emit_epilogue): Force inline restores if eh_return.
6277 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
6278 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
6279 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
6280 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
6281 the target uses one.
6282 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
6283 (return_eh_si, return_eh_di): Remove.
6284 (eh_return): New, from corpse of eh_epilogue.
6285 (eh_set_lr_si, eh_set_lr_di): New.
6287 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
6288 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
6289 True for pic register if current_function_calls_eh_return.
6290 (ix86_expand_epilogue): Change "emit_return" argument into "style".
6291 Handle eh_return requirements.
6292 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
6293 (EH_RETURN_STACKADJ_RTX): New.
6294 * config/i386/i386.md (exception_receiver): Remove.
6295 (eh_return, eh_return_1): New.
6296 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
6298 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
6299 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
6300 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
6301 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
6302 (EH_RETURN_DATA_REGNO): New.
6303 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
6304 * config/alpha/alpha.md (eh_epilogue): Remove.
6305 (exception_receiver): Use $26 for ldgp input.
6306 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
6308 2001-03-28 Richard Henderson <rth@redhat.com>
6310 * except.c: Rewrite entirely for IA-64 ABI exception handling.
6311 * except.h: Likewise.
6313 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
6314 (LIB2ADDEHDEP): New.
6315 (LIB2FUNCS_EH): Remove.
6316 (LIB2ADD): Remove LIB2ADDEH.
6317 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
6318 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
6319 (crt{begin,end}[S].o): Likewise.
6320 (except.o): Update includes.
6321 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
6322 (libgcc2_c_dep): Use LIB2ADDEHDEP.
6324 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
6325 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
6326 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
6327 * builtins.c (expand_builtin): Implement it.
6328 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
6329 * c-common.c (c_common_nodes_and_builtins): Declare it.
6330 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
6331 * calls.c (libfunc_nothrow): Remove.
6332 (emit_library_call_value_1): Don't call it.
6333 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
6334 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
6335 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
6336 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
6337 (current_funcdef_number): Globalize.
6338 (output_call_frame_info): Emit frame data if an lsda is needed.
6339 Generate augmentation for personality routine. Don't play with
6341 (dwarf2out_begin_prologue): Record funcdef_number.
6342 * dwarf2out.h (current_funcdef_number): Declare.
6343 * expr.c (expand_expr): Update for except.h name changes.
6344 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
6345 * expr.h (LTI_throw, LTI_rethrow): Remove.
6346 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
6347 (LTI_eh_rtime_match): Remove.
6348 (LTI_unwind_resume, LTI_eh_personality): Add.
6349 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
6350 * final.c (final): Don't call check_exception_handler_labels,
6351 init_insn_eh_region, or free_insn_eh_region.
6352 (final_scan_insn): Always emit debug labels for
6353 NOTE_INSN_EH_REGION notes.
6354 * flags.h (flag_new_exceptions): Remove.
6355 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
6356 (record_active_eh_regions): Remove.
6357 (count_basic_blocks): Check all instructions for REG_EH_REGION.
6358 Use can_throw_internal.
6359 (find_basic_blocks_1): Likewise.
6360 (move_stray_eh_region_notes): Remove.
6361 (find_label_refs): No eh_return_stub_label.
6362 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
6363 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
6365 (delete_unreachable_blocks): Don't track deleted handlers.
6366 (flow_delete_block): Use maybe_remove_eh_handler.
6367 (delete_eh_regions): Remove.
6368 (merge_blocks): Don't check for eh region match.
6369 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
6370 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
6371 (init_propagate_block_info): Disable dead frame store optimization
6372 when current_function_calls_eh_return.
6373 (dump_bb): Don't print eh_beg, eh_end.
6374 * function.c (fixup_var_refs): No catch_clauses.
6375 (expand_function_end): Likewise. Call expand_eh_return before
6376 the return register use. Call sjlj_emit_function_exit_after.
6377 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
6378 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
6379 * ifcvt.c (dead_or_predicable): Remove eh region check.
6380 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
6381 Don't check for EH vs parameters.
6382 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
6383 (expand_inline_function): Call duplicate_eh_regions.
6384 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
6385 (copy_insn_notes): Remap REG_EH_REGION notes.
6386 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
6387 * integrate.h (struct inline_remap): Add local_return_label.
6388 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
6389 check_exception_handler_labels, nor exception_optimize.
6390 (find_cross_jump): No EH region check.
6391 * optabs.c (init_optabs): Update for changed eh libfuncs.
6392 * rtl.def (RESX): New.
6393 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
6394 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
6395 checks. Update for except.h name changes.
6396 (expand_cleanups): Likewise.
6397 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
6398 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
6399 (compile_file): Call init_eh before init_optabs. Don't
6400 output_exception_table here.
6401 (rest_of_compilation): Call convert_from_eh_region_ranges,
6402 convert_to_eh_region_ranges, output_function_exception_table.
6403 Don't emit_eh_context.
6404 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
6405 (EXC_PTR_EXPR): New.
6407 * md.texi (eh_epilogue): Remove.
6408 (eh_return): Document.
6409 * tm.texi (EH_RETURN_DATA_REGNO): Document.
6410 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
6412 * eh-common.h: Remove file.
6413 * frame-dwarf2.c, frame.c, frame.h: Remove files.
6414 * libgcc2.c (L_eh): Remove.
6416 * unwind-dw2-fde.c: New file, largely copied from frame.c.
6417 * unwind-dw2-fde.h: New file.
6418 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
6419 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
6420 * libgcc-std.ver: Update for eh symbols.
6422 2001-03-27 Richard Henderson <rth@redhat.com>
6424 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
6425 reduce false positives.
6426 (regmove_optimize): Disable if flag_non_call_exceptions.
6428 * stmt.c (expand_return): Remove always true predicate.
6429 (expand_decl_cleanup_no_eh): Remove dead code.
6431 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
6432 barrier code. Add a scheduling barrier if a non-call insn
6433 can throw internally.
6435 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
6436 Auto-inc addresses trap only if their base register does.
6438 * except.c (can_throw_internal): Rename from can_throw.
6439 * except.h, resource.c: Update references.
6441 * integrate.c (copy_insn_list): Use returnjump_p.
6442 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
6444 * function.h (struct function): Move all boolean valued fields
6445 to single bit fields at the end of the struct.
6447 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
6449 Rename asynchronous_exceptions to flag_non_call_exceptions.
6451 * gthr-single.h (UNUSED): New. Distinguish between how C
6452 and C++ mark unused function arguments. Use throughout.
6454 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
6455 value to target configuration header.
6456 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
6457 * config.in, configure: Rebuild.
6458 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
6459 configuration and target defines.
6460 (exceptions_via_longjmp): Remove.
6461 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
6462 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
6464 * except.h (flag_non_call_exceptions): Move ...
6465 * flags.h: ... here.
6467 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
6468 exceptions, put the note on the trapping instruction.
6470 * flags.h (flag_new_exceptions): Remove.
6471 * toplev.c: Don't set it.
6472 * final.c: Don't check it.
6473 * except.c: Provide stub definition.
6475 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
6476 (calculate_global_regs_live): Kill call-clobbered registers
6477 across exception edges.
6478 * reg-stack.c (convert_regs_1): Kill the entire target stack
6479 across non-call exception edges.
6481 * flow.c (cleanup_cfg): Take no argument.
6482 * output.h, sibcall.c, toplev.c: Update all calls.
6484 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6486 * configure.in: Don't check for bcopy.
6487 * configure, config.in: Regenerate.
6489 * system.h: Don't define or prototype bcopy, instead poison it.
6491 2001-03-27 Richard Henderson <rth@redhat.com>
6493 * function.c (expand_function_start): Set DECL_REGISTER on
6494 a pseudo used for DECL_RESULT.
6496 * rtl.h (LCT_NORETURN): New.
6497 * calls.c (emit_library_call_value_1): Handle it.
6499 2001-03-27 Stan Shebs <shebs@apple.com>
6501 * objc/objc-act.c (objc_init): Use dump_base_name.
6502 (gen_declaration): Clear the buffer arg.
6503 (gen_declaration_1): New function, body of gen_declaration.
6504 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
6505 (gen_method_decl): Ditto, plus always clear buffer arg.
6506 (error_with_ivar): Simplify.
6507 (warn_with_method): Ditto.
6508 (build_message_expr): Don't clear buffers.
6509 (dump_interface): Ditto.
6510 (objc_debug): Ditto.
6511 (build_keyword_selector): Clear the buffer by only zeroing
6513 (objc_implementation_context): Declare.
6514 (start_class): Warn about missing @end.
6515 (finish_objc): Ditto.
6517 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
6519 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
6521 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6523 * Makefile.in (SYSTEM_H): Define.
6524 Depend on $(SYSTEM_H), not system.h.
6526 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
6528 2001-03-27 Jim Wilson <wilson@redhat.com>
6530 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
6532 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
6533 (process_epilogue): New static function.
6534 (process_set): Call process_epilogue instead of emitting .restore
6536 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
6538 * flow.c (struct reg_cond_life_info): New fields orig_condition
6540 (init_propagate_block_info): Set new fields.
6541 (mark_regno_cond_dead): Set and use new fields.
6542 (flush_reg_cond_reg_1): Likewise.
6543 (and_reg_cond, case AND): Check for redundant AND conditions.
6544 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
6547 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
6549 * cppmacro.c (stringify_arg): Null terminate strings.
6551 2001-03-27 Zack Weinberg <zackw@stanford.edu>
6553 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
6554 inclusion style. xm-m68hc11.h no longer exists.
6555 * config/m68hc11/xm-m68hc11.h: Delete file.
6556 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
6558 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
6559 Don't define GCC_VERSION, N_, or PARAMS; don't include
6560 gansidecl.h or stdio.h. Define inhibit_libc here.
6561 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
6562 Delete code conditioned on #if GCC_VERSION == 2095.
6564 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
6565 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
6566 Delete code conditioned on #if GCC_VERSION == 2095.
6568 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6570 * system.h: Include symcat.h.
6571 (STRINGIFY): Don't define.
6573 * configure.in: Adjust comment.
6575 * builtins.c: Use STRINGX, not STRINGIFY.
6576 * gencheck.c: Likewise.
6577 * gengenrtl.c: Likewise.
6578 * protoize.c: Likewise.
6580 * cpplex.c: Don't include symcat.h.
6581 * cpplib.c: Likewise.
6583 * gansidecl.h (HAVE_STRINGIZE): Don't define.
6585 2001-03-27 Alan Modra <alan@linuxcare.com.au>
6587 * c-typeck.c (digest_init): Fold init expression.
6589 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6591 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
6593 2001-03-27 Alan Modra <alan@linuxcare.com.au>
6595 * except.c (eh_regs): Save results of build_pointer_type to a temp
6596 as FUNCTION_VALUE macro may evaluate its args multiple times.
6598 2001-03-26 Mark Mitchell <mark@codesourcery.com>
6600 * c-common.h (DECL_NUM_STMTS): New macro.
6601 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
6603 (pushdecl): Likewise.
6604 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
6605 * integrate.c (expand_inline_function): Don't check
6607 * print-tree.c (print_node): Don't print it.
6608 * toplev.c (rest_of_compilation): Don't try to inline when
6609 flag_no_inline is on.
6610 * tree.h (DECL_FRAME_SIZE): Remove.
6611 (tree_decl): Adjust accordingly.
6613 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6615 * combine.c (try_combine): Use memcpy, not bcopy.
6617 * genattrtab.c (expand_units): Likewise.
6619 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
6621 * i386.md (push mem DI peep2): New.
6622 (mov 0, mov -1 peep2): Handle 64bit.
6623 (lea to arithmetics peep2): Handle 64bit leas.
6624 (rsp arithmetics to push/pop peep2s): New.
6626 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
6628 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
6630 * i386.c (struct machine_function): Add save_varrargs_registers.
6631 (ix86_save_varrargs_registers): New macro.
6632 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
6633 (ix86_expand_prologue): Likewise.
6634 (ix86_emit_epilogue_esp_adjustement): Likewise.
6635 (ix86_expand_epilogue): Likewise.
6636 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
6637 (pro_epilogue_adjust_stack_1): New insn.
6638 (pro_epilogue_adjust_stack_rex64): Likewise.
6639 * i386.h (MASK_NO_RED_ZONE): New constant.
6640 (TARGET_RED_ZONE): New macro.
6641 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
6642 (RED_ZONE_SIZE): New constant.
6643 (RED_ZONE_RESERVE): New constant.
6645 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6647 * toplev.c (set_float_handler): Use memcpy, not bcopy.
6649 2001-03-25 Kazu Hirata <kazu@hxi.com>
6651 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
6654 (umodhi3): Likewise.
6657 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6659 * mkconfig.sh (DEFINES): Handle entries with '='.
6661 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
6662 Set xm_defines to MACRO=value instead.
6664 * i370/xm-mvs.h: Delete.
6666 * ns32k/xm-pc532-min.h: Likewise.
6668 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
6670 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
6672 use ix86_expand_binary_operator
6673 (?sh??i_?): Disable for 64bit.
6674 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
6675 * i386.c (shiftdi_operand): New predicate.
6677 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
6678 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
6679 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
6680 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
6681 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
6682 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
6683 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
6684 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
6685 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
6686 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
6687 (rotldi3, rotrdi3): New expanders.
6689 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
6691 * i386.md (movstrsi): Move offline.
6693 (strmovdi_rex64): New.
6694 (strmov?i): Accept 64bit.
6695 (strmov?i_rex64): New.
6696 (strmov?i_rex_1): New.
6697 (strmov?i_1): Disable for 64bit.
6698 (rep_mov?i_rex64): New.
6699 (rep_mov?i): Disable for 64bit.
6700 (clrstrsi): Move offline.
6701 (strset?i_rex64): New.
6702 (strset?i: Accept 64bit.
6703 (rep_stos?i): Disable for 64bit.
6704 (rep_stos?i_rex64): New.
6705 (strset?i_rex_1): New.
6706 (strset?i_1): Disable for 64bit.
6707 (cmpstrsi): Accept 64bit.
6708 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
6709 (cmpstrqi_nz_rex_1): New.
6710 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
6711 (strlensi): Move offline.
6713 (strlenqi_1): Disable for 64bit; fix constraints.
6714 (strlenqi_rex_1): New.
6715 * i386.c (ix86_adjust_counter): New static function.
6716 (ix86_zero_extend_to_Pmode): Likewise.
6717 (ix86_expand_aligntest): Likweise.
6718 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
6719 (ix86_expand_movstr): New global function.
6720 (ix86_expand_clrstr): New global function.
6721 (ix86_expand_strlen): New global function.
6722 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
6723 ix86_expand_strlen): Declare.
6724 (ix86_expand_strlensi_unroll_1): Delete.
6726 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
6728 * i386.md (cmpdi): Fix operand predicates.
6729 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
6730 cmpdi_1_insn_rex64): New patterns.
6731 (adddi3): Turn to expander.
6732 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
6733 (addsi3_carry_zext): New pattern.
6734 (adddi_?_rex64): New patterns and splitters.
6735 (addsi_?_zext): New patterns.
6736 (subsi3_carry_zext): New pattern.
6737 (subdi_?_rex64): New patterns and splitters.
6738 (iorsi_?_zext): New patterns.
6739 (iordi_?_rex64): New patterns and splitters.
6740 (iorsi_?_zext): New patterns.
6741 (iorsi_?_zext_imm): New patterns.
6742 (xorsi_?_zext): New patterns.
6743 (xordi_?_rex64): New patterns and splitters.
6744 (xorsi_?_zext): New patterns.
6745 (negdi*): New patterns.
6746 (one_cmpldi*): Likewise.
6747 (one_cmplsi*_zext, negsi*_zext): Likewise.
6748 (testqi_ext_3_rex64): New pattern.
6750 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
6752 * i386-protos.h (ix86_split_long_move): Return void.
6753 * i386.c (ix86_split_to_parts): Handle 64bit target.
6754 (ix86_split_long_move): Likewise.
6755 * i386.md (all calls to ix86_split_long_move): Update.
6757 2001-03-23 Richard Henderson <rth@redhat.com>
6759 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
6760 to avoid shadowing arguments.
6762 2001-03-23 Jakub Jelinek <jakub@redhat.com>
6764 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
6765 to variable names where DECL_NAME is different from
6766 DECL_ASSEMBLER_NAME.
6768 2001-03-23 Jim Wilson <wilson@redhat.com>
6770 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
6771 (assemble_alias): Call make_decl_rtl.
6773 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
6775 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
6777 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
6779 * extend.texi: Document the "java_interface" attribute.
6781 2001-03-22 Zack Weinberg <zackw@stanford.edu>
6783 * mkconfig.sh: Use a subshell with redirected stdout,
6784 instead of closing stdout and confusing commands that run
6785 afterward. Throw away output of cmp.
6787 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
6789 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
6791 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
6793 * i386.md (zero_extendsidi2_32): Break out from ...
6794 (zero_extendsidi2): ... here ; turn to expander.
6795 (zero_extendsidi2_rex64): New.
6796 (extendsidi2_32): Break out from ...
6797 (extendsidi2): ... here ; turn to expander.
6798 (extendsidi2_rex64): New.
6799 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
6800 (trunc?f?f splitters): Add 64bit versions.
6802 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
6804 * i386.md (pushsi, pushsi2_prologue): Disable.
6805 (pushsi2_rex64): New.
6806 (movabs?i_1_rex64, movabs?i_2_rex64): New.
6807 (movqi_ext_1): Disable for 64bit.
6808 (movqi_ext_1_rex64): New.
6809 (pushdi2_rex64): New pattern, peep2s and splitter.
6810 (pushdi2_prologue_rex64): New pattern.
6811 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
6813 (movdi splitters): Disable for 64bit.
6814 (movdi_1_rex64): New pattern, peep2s and splitters.
6815 (swapdi): New pattern.
6816 (pushsf): Disable for 64bit.
6817 (pushsf_rex64): New pattern and splitter.
6818 (pushdf_nointeger): Disable for 64bit.
6819 (pushdf_integer): Handle the 64bit case.
6820 (pushtf): Likewise; update splitters.
6822 2001-03-22 Richard Henderson <rth@redhat.com>
6824 * mkconfig.sh: Include insn-flags.h.
6825 * Makefile.in (CONFIG_H): Include insn-flags.h.
6826 (lots of objects): Remove insn-codes.h and insn-flags.h.
6828 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
6829 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
6830 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
6831 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
6832 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
6833 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
6834 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
6835 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
6836 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
6837 v850/v850.c, vax/vax.c:
6838 Don't include insn-flags.h.
6840 * diagnostic.c, expr.h, reload.c, toplev.c:
6841 Don't include insn-codes.h.
6843 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
6844 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
6845 c4x/c4x.c, i960/i960.c, mips/mips.c:
6846 Don't include insn-codes.h or insn-flags.h.
6848 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
6849 or insn-flags.h in the generated code.
6850 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
6851 (main): Forward declare struct rtx_def.
6853 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
6855 * invoke.texi (-ffast-math): Remove duplicate line about
6858 * gcc.texi: Remove more obsolete documentation of bugs and
6859 installation problems.
6861 2001-03-21 Kazu Hirata <kazu@hxi.com>
6863 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
6866 2001-03-20 Jason Merrill <jason@redhat.com>
6868 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
6870 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
6871 * varasm.c (CHKR_PREFIX): Likewise.
6873 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6875 * gcse.c (hash_scan_set): An expression is not anticipatible if it
6876 is part of a multi-SET insn.
6878 * cse.c (find_comparison_args): Remove previous change.
6879 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
6882 * config/i386/i386.md (conditional_trap): Remove warning.
6884 * recog.c (push_operand): Fix error in last change that caused
6885 undefined symbol on many targets.
6887 * sdbout.c: #include ggc.h.
6888 (sdbout_init): Move to end of file.
6889 Call ggc_add_tree_root for anonymous_types.
6890 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
6891 (sdbout_one_type): Use DECL_NAME for field name.
6892 * Makefile.in (sdbout.o): Show includes ggc.h.
6894 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
6896 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
6897 (override_options): Use properlimits for preferred_stack_boundary.
6898 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
6900 (ext_register_operand): Accept DImode.
6901 (load_pic_register): Abort on 64bit.
6902 (gen_push): Use Pmode instead of SImode.
6903 (ix86_save_reg): Pic reg is never used on 64bit.
6904 (ix86_expand_prologue): Likewise.
6905 (ix86_emit_save_regs): Use Pmode instead of SImode.
6906 (legitimate_address_p): Check displacement for 64bit.
6907 (print_operand): Avoid outputting of (%rip) on 64bit.
6908 (print_operand_address): Output (%rip) where possible.
6909 (split_di): Abort on 64bit registers.
6910 (ix86_expand_branch): DImode comparison is simple for x86_64.
6911 (memory_address_length): Recognize memory addresses formed using
6913 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
6915 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
6917 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
6919 * recog.c (push_operand): Recognize new format of push instructions.
6921 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
6923 * i386.md (pushqi1): New.
6924 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
6925 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
6926 x86_64_immediate_operand, x86_64_immediate_operand,
6927 x86_64_zext_immediate_operand): Declare.
6928 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
6929 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
6930 x86_64_immediate_operand, x86_64_immediate_operand,
6931 x86_64_zext_immediate_operand): define.
6932 * i386.h (PREDICATE_CODES): Add new predicates.
6934 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
6936 * i386.md (pophi1, popqi1, pushqi1): Remove.
6938 * expr.c (emit_single_push_insn): New function.
6939 (move_by_pieces): Accept NULL as destination for push instructions.
6940 (gen_push_operand): Kill.
6941 (emit_push_insn): Pass NULL when pushing; avoid updating of
6942 stack_pointer_delta.
6943 * expr.h (gen_push_operand): Kill.
6945 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6947 * rtl.texi (COMPARE): Clarify documentation and reference section
6950 2001-03-20 Stan Shebs <shebs@apple.com>
6952 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
6953 (get_object_reference): Ditto.
6954 (error_with_ivar): Use error_with_file_and_line.
6955 (warn_with_method): Use warning_with_file_and_line.
6957 2001-03-20 Tom Tromey <tromey@redhat.com>
6959 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
6961 2001-03-20 Mark Mitchell <mark@codesourcery.com>
6963 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
6964 variables that are TREE_PUBLIC, even if not TREE_STATIC.
6966 2001-03-20 DJ Delorie <dj@redhat.com>
6968 * Makefile.in (install-libgcc): Pass complete list of variables.
6969 (install-multilib): Ditto.
6971 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
6973 * config/i386/cygwin.h: Declare ctor_section, dtor_section
6974 drectve_section, switch_to_section.
6976 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
6977 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
6978 i386_pe_mark_dllimport.
6980 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
6982 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
6983 functions i386_pe_*.
6985 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
6986 i386_pe_* functions with char * arguments.
6988 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
6990 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
6992 (movsi_ie): Introduce fpul store.
6994 2001-03-20 Alan Modra <alan@linuxcare.com.au>
6996 * Makefile.in (OBJS): Remove hashtab.o.
6998 2001-03-19 Stan Shebs <shebs@apple.com>
7000 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
7001 * c-lang.c (maybe_objc_method_name): Ditto.
7002 * c-tree.h (maybe_objc_method_name): Remove decl.
7004 2001-03-19 Tom Tromey <tromey@redhat.com>
7006 * gcc.c (init_gcc_specs): Fix comment.
7008 2001-03-19 Mark Mitchell <mark@codesourcery.com>
7010 Compute DECL_ASSEMBLER_NAME lazily.
7011 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
7012 (DECL_ASSEMBLER_NAME_SET_P): New macro.
7013 (SET_DECL_ASSEMBLER_NAME): Likewise.
7014 (COPY_DECL_ASSEMBLER_NAME): Likewise.
7015 (set_decl_assembler_name): Declare.
7016 (lang_set_decl_assembler_name): Likewise.
7017 * tree.c (lang_set_decl_assembler_name): New variab.e
7018 (set_decl_assembler_name): New function.
7019 (init_obstacks): Set lang_set_decl_assembler_name.
7020 (build_decl): Don't set DECL_ASSEMBLER_NAME.
7021 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
7022 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
7023 where it's not necessary.
7024 (builtin_function): Likewise.
7025 (finish_decl): Likewise.
7026 * dbxout.c (dbxout_type_methods): Likewise.
7027 * ggc-common.c (ggc_mark_trees): Likewise.
7028 * profile.c (output_func_start_profiler): Likewise.
7029 * varasm.c (make_decl_rtl): Likewise.
7031 * cse.c (find_comparison_args): Update documentation. Fix
7032 mishandling of COMPARE operations.
7034 * tree.def (ABS_EXPR): Add documentation.
7035 * fold-const.c (fold): Improve folding of ABS_EXPRs.
7037 2001-03-19 Zack Weinberg <zackw@stanford.edu>
7039 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
7041 2001-03-19 Jakub Jelinek <jakub@redhat.com>
7043 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
7044 Remove ia32 linux PIC kludge and move it...
7045 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
7047 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
7049 * i386.md (absdf2 expander): Fix 64bit case.
7051 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
7053 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
7055 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
7057 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
7059 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7061 * README.X11: Remove obsolete file.
7063 2001-03-18 Anthony Green <green@redhat.com>
7065 * config/pj/pj.h: Remove some trailing commas.
7066 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
7068 2001-03-18 Richard Henderson <rth@redhat.com>
7070 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
7071 * calls.c: ... here.
7072 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
7073 defaults for them here.
7075 2001-03-17 Anthony Green <green@redhat.com>
7077 * config/pj/lib1funcs.S: Fix broken comment.
7078 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
7081 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
7083 * gcc.texi: Remove obsolete information relating to build and
7084 installation problems with enquire or the Pyramid C compiler.
7086 2001-03-17 Richard Henderson <rth@redhat.com>
7088 * dwarf2out.c (queue_reg_save): New.
7089 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
7090 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
7092 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
7093 (cfa, cfa_store, cfa_temp): Make static.
7094 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
7096 2001-03-17 Richard Henderson <rth@redhat.com>
7098 * integrate.h (struct inline_remap): Add local_return_label.
7099 * integrate.c (expand_inline_function): Initialize it and emit
7100 it after copy_insn_notes.
7101 (copy_insn_list): Don't store local_return_label here.
7102 (copy_insn_notes): New function split out from copy_insn_list.
7104 2001-03-17 Richard Henderson <rth@redhat.com>
7106 * dwarf2out.c (lookup_filename): Emit .file if the assembler
7107 is generating .debug_line.
7108 (dwarf2out_init): Add main_input_filename to the file table first.
7109 * configure.in (as_dwarf2_debug_line): Test with file number 1
7110 instead of file number 0.
7112 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7114 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
7115 (gen_rtx_combine): Deleted; all references changed as appropriate.
7116 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
7118 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
7120 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
7122 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
7125 2001-03-16 Jim Wilson <wilson@redhat.com>
7127 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
7128 then set it to LOC_REG (79) instead of aborting.
7130 2001-03-16 Phil Edwards <pme@sources.redhat.com>
7132 * gccbug.in: Remove high priority.
7134 2001-03-16 Richard Henerson <rth@redhat.com>
7136 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
7137 output with a space instead of deleting it.
7138 * configure: Regenerate.
7140 2001-03-16 Zack Weinberg <zackw@stanford.edu>
7142 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
7143 handles the gory details of converting an object file into
7144 something that's safe to grep.
7145 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
7146 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
7147 newlines at either end of the string we're looking for.
7148 Make 'checking ...' message less stilted.
7149 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
7150 ARM in-memory layout and its hypothetical converse. Don't
7151 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
7152 HOST_WORDS_BIG_ENDIAN.
7154 * configure.in: Adjust for renamed macro. Move
7155 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
7156 * configure, config.in: Regenerate.
7158 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
7160 * fixinc/Makefile.in: Set SHELL.
7162 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
7164 * fixinc/fixincl.c (fix_with_system): Quote file names before
7165 passing them to shell.
7167 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
7169 * Makefile.in: Use fix-header$(build_exeext) instead
7172 2001-03-16 Richard Henderson <rth@redhat.com>
7174 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
7175 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
7176 (size_of_line_prolog): Remove.
7177 (output_line_info): Compute prologue size via label difference.
7178 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
7180 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
7181 assembler error when redefining file numbers.
7182 * config.in, configure: Rebuild.
7184 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
7185 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
7186 (dw2_asm_output_delta_uleb128): Likewise.
7187 (dw2_asm_output_delta_sleb128): Similarly.
7188 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
7190 2001-03-16 Michael Meissner <meissner@redhat.com>
7192 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
7194 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
7196 (BITMASK_LOWER16): Replacement for 0x0000ffff.
7198 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
7199 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
7200 being unsigned in ISO C and signed in traditional.
7201 (expand_prologue): Ditto.
7202 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
7204 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
7206 (divsi3,divdi3): Ditto.
7207 (modsi3,moddi3): Ditto.
7208 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
7209 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
7210 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
7213 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
7215 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
7216 SSE based conditional moves on LTGT/UNEQ conditions;
7217 Canonicalize EQ to NE.
7218 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
7219 (sse_mov?fcc_ne): New.
7221 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
7223 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
7225 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
7226 register may be dead.
7228 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
7230 * Makefile.in (hash.o): Depend on CONFIG_H.
7232 2001-03-15 Mark Mitchell <mark@codesourcery.com>
7234 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
7236 2001-03-15 Richard Henderson <rth@redhat.com>
7238 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
7239 (ASM_OUTPUT_DWARF_PCREL): New.
7240 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
7242 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
7244 * cppfiles.c (stack_include_file): Use MAX of sysp.
7246 2001-03-15 Steve Ellcey <sje@cup.hp.com>
7248 * config.gcc (ia64*-*-hpux*): New case.
7249 * config/ia64/hpux.h: New file for HP-UX support.
7250 * config/ia64/t-hpux: New file for HP-UX support.
7252 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
7254 * fixinc/inclhack.def (irix_stdio_va_list): New.
7255 * fixinc/fixincl.x: Rebuilt.
7257 2001-03-15 Richard Henderson <rth@redhat.com>
7259 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
7260 if provided by the target.
7261 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
7262 (dw2_asm_output_addr): New.
7263 * dwarf2asm.h (dw2_asm_output_addr): Declare.
7264 * dwarf2out.c (output_cfi): Use it for program addresses.
7265 (output_call_frame_info, output_die): Likewise.
7266 (output_aranges, output_line_info): Likewise.
7268 2001-03-15 Bruce Korb <bkorb@gnu.org>
7270 * gcc.c(main): make more rigorous
7271 * collect2.c(main): guard against ignoring SIGCHLD
7272 * protoize.c(main): ditto
7273 * gcc/fixinc/fixincl.c(initialize): ditto
7275 2001-03-15 Mark Mitchell <mark@codesourcery.com>
7277 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
7278 (sdbout_parms): Likewise.
7280 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
7282 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
7283 "widen" a destination that is already wider than a word. Also do
7284 not widen if LOAD_EXTEND_OP is NIL for the given mode.
7286 2001-03-15 Bernd Schmidt <bernds@redhat.com>
7288 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
7290 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
7292 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
7294 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
7296 * i960.h (i960_maxbitalignment,
7297 i960_last_maxbitalignment): Declare.
7298 * i960.c (i960_maxbitalignment,
7299 i960_last_maxbitalignment): Make global.
7300 (process_pragma): Delete.
7301 (i960_pr_align, i960_pr_noalign): Move from here ...
7302 * i960-c.c: ... to this new file.
7303 * t-960bare (i960-c.o): New rule.
7304 * t-vxworks960 (i960-c.o): Likewise.
7305 * config.gcc (i960-*-*): Define c_target_objs and
7308 2001-03-15 Bernd Schmidt <bernds@redhat.com>
7310 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
7311 without adding in rtx code and mode.
7313 * alias.c (init_alias_analysis): Don't use any rtx whose value
7314 varies as a known value.
7315 Delete a superfluous test.
7317 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
7319 (ia64_sched_reorder): Call maybe_rotate; also rotate after
7320 scheduling a stop bit.
7321 (ia64_emit_nops): Correctly handle ASMs.
7323 2001-03-15 Mark Mitchell <mark@codesourcery.com>
7325 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
7327 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
7329 * cpp.texi: Update documentation for -include and -imacros.
7330 * cppfiles.c (struct include_file): Remove "defined" memeber.
7331 (find_or_create_entry): Make a copy of the file name, and
7333 (open_file): Update to ensure we use the simplified filename.
7334 (stack_include_file): Don't set search_from.
7335 (cpp_included): Don't simplify the path name here.
7336 (find_include_file): New prototype. Call search_from to
7337 get the start of the "" include chain. Don't simplify the
7339 (_cpp_execute_include): New prototype. Move diagnostics to
7340 do_include_common. Update.
7341 (_cpp_pop_file_buffer): Don't set defined.
7342 (search_from): New prototype. Use the preprocessor's cwd
7343 for files included from the command line.
7344 (read_name_map): Don't simplify the pathname here.
7345 * cpphash.h (enum include_type): New.
7346 (struct buffer): Delete search from. New search_cached.
7347 (_cpp_execute_include): Update prototype.
7348 * cppinit.c (do_includes): Use _cpp_execute_include.
7349 * cpplib.c (do_include_common): New function.
7350 (do_include, do_include_next, do_import): Use it.
7352 2001-03-14 Mark Mitchell <mark@codesourcery.com>
7354 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
7355 contents of the RTL, to determine the name of the object.
7357 2001-03-14 Mark Mitchell <mark@codesourcery.com>
7359 * tree.h (DECL_RTL): Allocate RTL lazily.
7360 (SET_DECL_RTL): New macro.
7361 (DECL_RTL_SET_P): Likewise.
7362 (COPY_DECL_RTL): Likewise.
7363 (DECL_RTL_IF_SET): Likewise.
7364 * varasm.c (make_decl_rtl): Add assertions about the kind of
7365 declaration we are processing.
7366 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
7367 (start_decl): Likewise.
7368 (finish_decl): Likewise.
7369 * c-semantics.c (emit_local_var): Likewise.
7370 * calls.c (expand_call): Likewise.
7371 * dbxout.c (dbxout_symbol): Likewise.
7372 * emit-rtl.c (unshare_all_rtl): Likewise.
7373 (unshare_all_decls): Likewise.
7374 (reset_used_decls): Likewise.
7375 * expr.c (store_constructor): Likewise.
7376 (safe_from_p): Likewise.
7377 (expand_expr): Likewise.
7378 * function.c (put_var_into_stack): Likewise.
7379 (instantiate_decls_1): Likewise.
7380 (assign_parms): Likewise.
7381 (expand_function_start): Likewise.
7382 (expand_function_end): Likewise.
7383 * ggc-common.c (gcc_mark_trees): Likewise.
7384 * integrate.c (function_cannot_inline_p): Likewise.
7385 (copy_decl_for_inlining): Likewise.
7386 (expand_inline_function): Likewise.
7387 (integrate_parm_decls): Likewise.
7388 (integrate_decl_tree): Likewise.
7389 * print-tree.c (print_node): Likewise.
7390 * reg-stack.c (stack_result): Likewise.
7391 * stmt.c (label_rtx): Likewise.
7392 (expand_return): Likewise.
7393 (expand_decl): Likewise.
7394 (expand_decl_cleanup): Likewise.
7395 (expand_anon_union_decl): Likewise.
7396 * toplev.c (check_global_declarations): Likewise.
7397 (rest_of_decl_compilation): Likewise.
7398 * tree.c (simple_cst_equal): Likewise.
7399 * objc/objc-act.c (generate_static_references): Likewise.
7401 2001-03-14 Zack Weinberg <zackw@stanford.edu>
7403 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
7404 gcc_AC_C_FLOAT_FORMAT): New macros.
7405 * configure.in: Add AC_PROG_CPP after CC tests;
7406 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
7407 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
7408 * configure, config.in: Regenerate.
7410 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
7411 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
7412 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
7413 config/i370/xm-linux.h, config/i370/xm-oe.h,
7414 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
7415 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
7416 config/pa/xm-linux.h, config/pa/xm-pa.h,
7417 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
7418 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
7419 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
7420 config/we32k/xm-we32k.h: Delete.
7422 * config/i370/xm-mvs.h, config/m88k/m88k.h,
7423 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
7424 config/vax/xm-vms.h: Don't define any of:
7425 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
7427 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
7429 * config.gcc: Remove references to deleted files.
7430 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
7431 FATAL_EXIT_CODE, which is the same between oe and mvs).
7433 2001-03-14 DJ Delorie <dj@redhat.com>
7434 Vladimir Makarov <vmakarov@redhat.com>
7436 * config/i960/i960.c (i960_function_prologue): Compute size of
7437 frame according to number of registers actually saved there.
7439 2001-03-14 Richard Henderson <rth@redhat.com>
7441 * expr.c (emit_move_insn_1): Fix else if around #endif.
7443 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
7446 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
7449 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
7451 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
7452 (override_options): Parse cmodel string.
7453 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
7454 * i386.h (TARGET_OPTIONS): Add "cmodel".
7455 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
7457 (ix86_cmodel_string, ix86_cmodel): Declare.
7459 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
7462 * i386.h (GENERAL_REG_P): Add missing REG_P.
7464 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
7466 * configure.in: Use $gcc_cv_as instead of $as.
7467 * configure: Regenerated.
7469 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
7471 * cppfiles.c (stack_include_file): Only increase the include
7472 count if we actually process the file properly, as opposed
7473 to treating it as length zero. Only call read_include_file
7474 if not DO_NOT_REREAD. Handle the -H include file output
7476 (read_include_file): Remove now redundant DO_NOT_REREAD check.
7477 (cpp_included, find_include_file): Simplify pathnames after
7478 remapping them. If remapping, don't use the remapped file
7479 name's buffer as our scratch buffer.
7480 (cpp_pop_file_buffer): Replace the multiple include macro
7481 only if it isn't yet set.
7482 (read_name_map): Simplify remapped names when reading in.
7483 (remap_filename): Move code to code path that uses it.
7484 (_cpp_simplify_pathname): Return the input pointer.
7485 * cpphash.h (_cpp_simplify_pathname): Update prototype.
7487 2001-03-14 Mark Mitchell <mark@codesourcery.com>
7489 * expr.c (expand_expr): Revove bogus conditional.
7491 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
7493 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
7495 2001-03-14 Jakub Jelinek <jakub@redhat.com>
7497 * reg-stack.c (stack_result): Unconditionally use
7498 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
7500 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
7502 * expr.c (emit_move_insn_1): Split push of complex value when
7503 no suitable push instruction exist.
7505 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
7506 instead of QI_REG_P.
7508 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7510 * alias.c (handled_component_p, can_address_p): New functions.
7511 (get_alias_set): Use them.
7513 2001-03-13 Jim Wilson <wilson@redhat.com>
7515 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
7516 from 80 in try_locals code.
7517 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
7519 2001-03-13 Zack Weinberg <zackw@stanford.edu>
7521 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
7522 gcc_AC_C_LONG_LONG): New.
7523 * configure.in: Use them. Probe the size of short, int, long,
7524 and long long/__int64 if we have them. Move all the AC_C_*
7525 checks together, except gcc_AC_C_CHAR_BIT which has to go
7526 after AC_CHECK_HEADERS(limits.h).
7527 Take hwint.h out of host_xm_file and build_xm_file.
7529 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
7530 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
7531 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
7532 Move the HOST_WIDEST_INT setup logic here from system.h.
7533 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
7535 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
7536 is now handled by hwint.h.
7538 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
7539 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
7540 config/ia64/xm-ia64.h: Don't define any of:
7541 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
7542 HOST_BITS_PER_LONGLONG.
7544 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
7545 config/h8300/xm-h8300.h, config/mips/iris6.h,
7546 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
7547 config/sparc/xm-sp64.h: Delete.
7548 * config.gcc: Remove references to deleted files.
7550 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
7551 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
7552 * config/i370/xm-linux.h: Clarify floating-point situation in
7555 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
7557 * cppfiles.c (NO_INCLUDE_PATH): New macro.
7558 (find_include_file): Decide here which part of the include
7559 chain to start the search. Complain about an empty include
7560 chain in all cases apart from an abolsute file name.
7561 (_cpp_execute_include): Don't choose the search chain here.
7562 Don't call handle_missing_include in the case of an empty
7564 (_cpp_compare_file_date): Don't choose the search chain here.
7565 * cpplib.c (do_include_next): Move the in-main-file diagnostic
7566 here from _cpp_execute_include. Behave like #include if
7567 we're in the main file.
7569 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7571 * system.h (malloc, realloc, calloc, strdup): Only poison these
7572 tokens when IN_GCC is defined.
7574 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
7576 * i386.md (abs?f expander): Support SSE case.
7577 (abd?f_if): Add new "USE"; add splitters.
7579 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7581 * cpp.texi (poison): Explain the macro expansion exception.
7583 2001-03-13 Jakub Jelinek <jakub@redhat.com>
7585 * expr.c (store_expr): Add dont_store_target. If temp is already in
7586 target before copying to reg, don't store it into target again.
7588 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
7590 * cppinternals.texi: Update for file handling.
7592 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
7594 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
7595 2001-02-24 which broke building the Java library.
7596 * function.c (identify_blocks): Likewise.
7597 (all_blocks): Likewise.
7598 * integrate.c (integrate_decl_tree): Likewise.
7599 * print-tree.c (print_node): Likewise.
7600 * tree.h (BLOCK_NUMBER): Likewise.
7601 (struct tree_block): Likewise.
7603 2001-03-12 David Edelsohn <edelsohn@gnu.org>
7605 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
7606 __WCHAR_TYPE__ definition.
7607 (WCHAR_TYPE_SIZE): #undef before #define.
7609 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
7611 * cppfiles.c: Update comments.
7612 (destroy_include_file_node): Rename destroy_node.
7613 (find_or_create_entry): New function.
7614 (open_file, _cpp_fake_include): Use it.
7615 (handle_missing_header): New function, broken out of
7616 _cpp_execute include. Don't segfault if there is no
7617 system or quoted path.
7618 (_cpp_execute_include): Use handle_missing_header.
7620 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
7622 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
7623 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
7625 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7627 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
7628 unless anti_dependence says they are.
7629 * alias.c (objects_must_conflict): If neither has a type specified,
7632 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
7633 David Billinghurst <David.Billinghurst@riotinto.com>
7635 * config/mips/iris5.h: Change WCHAR_TYPE to int.
7637 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
7639 * i386.md (trunctfdf2_2): Rename missnamed pattern.
7640 (*_one_bit): Remove type on the match_operand in attributes.
7642 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
7644 * i386.c: Commit forgotten hunk in previous patch.
7645 (regclass_map): Add extended registers.
7646 (dbx_register_map): Add missing frame register.
7648 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
7650 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
7652 * i386.md (x86_sahf_1): Disable for 64bit.
7653 (popsi*, pophi*): Likewise.
7654 (pushqi, pushhi): Likewise.
7655 (movdi, pushdi): Likewise.
7656 (zero extend DImode splitter): Likewise.
7657 (adddi, minusdi splitter): Likewise.
7658 (umulsidi): Likewise.
7660 (mulsidi): Disable for 64bit
7661 (lshift:DI/ashift:DI): Disable for 64bit.
7662 (loop patterns): Likewise.
7663 (call_pop, call_value_pop expanders and patterns): Likewise.
7664 (prologue_get_pc): Likewise.
7666 (fcmovDI pattern and splitter): Likewise.
7667 (movdfcc_1_rex64): New.
7669 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
7671 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
7672 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
7673 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
7674 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
7675 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
7676 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
7677 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
7678 (PUSH_ROUNDING): x86_64 rounds to 64bits.
7679 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
7680 (REGPARM_MAX): Set to 6 for x86_64.
7681 (SSE_REGPARM_MAX): Set to 16 for x86_64.
7682 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
7685 * (patterns that does use upper halves): Update constraints
7686 'q' to 'Q' and 'r' to 'R'.
7687 (cmpqi_ext_1): Disable for 64bit.
7688 (cmpqi_ext_3_insn): Likewise.
7689 (movqi_extzv_1): Likewsie.
7690 (addqi_ext_1): Liekwsie
7691 (testqi_ext_1): Liekwsie
7692 (andqi_ext_1): Liekwsie
7693 (xorqi_ext_1): Liekwsie
7694 (cmpqi_ext_1_rex64): New.
7695 (cmpqi_ext_3_insn_rex64): Likewise.
7696 (movqi_extzv_1_rex64): Likewsie.
7697 (addqi_ext_1_rex64): Liekwsie
7698 (testqi_ext_1_rex64): Liekwsie
7699 (andqi_ext_1_rex64): Liekwsie
7700 (xorqi_ext_1_rex64): Liekwsie
7702 2001-03-11 Zack Weinberg <zackw@stanford.edu>
7704 * configure.in: Move check for unsigned enumerated bitfields
7705 to macro in aclocal.m4. Disable it for now.
7706 * configure, config.in: Regenerate.
7707 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
7708 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
7709 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
7710 kind above its first use.
7712 * config/xm-interix.h, config/alpha/xm-alpha.h,
7713 config/i370/xm-linux.h, config/i386/xm-beos.h,
7714 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
7715 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
7716 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
7717 Don't define ONLY_INT_FIELDS under any circumstances.
7719 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
7721 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
7722 config/sparc/xm-sysv4.h: Delete - now identical with some
7724 * config.gcc (hppa targets): Replace xm-pahpux.h and
7725 xm-papro.h with implicit xm-pa.h.
7726 (sparc targets): Replace xm-sysv4.h with implicit or explicit
7729 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
7731 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
7732 before reload_cse_noop_set_p.
7734 2001-03-11 Zack Weinberg <zackw@stanford.edu>
7736 * config.gcc: Where xm-host.h used to include another
7737 xm-host.h, list the nested header directly in xm_file. Remove
7738 references to deleted files. Can now use sparc/xm-sp64.h for
7741 * config/xm-linux.h, config/arm/xm-linux.h,
7742 config/i386/xm-dos.h, config/i386/xm-gnu.h,
7743 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
7744 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
7745 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
7746 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
7749 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
7750 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
7751 bother to wrap #undef in #ifdef.
7752 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
7753 Don't include xm-linux.h.
7754 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
7756 * configure.in: Wrap regexps using [] in changequote block.
7757 Use expr : not echo | grep. Simplify regexps.
7758 * configure: Regenerate.
7760 56 xm-files remain, 22 xm-arch.
7762 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7764 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
7765 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
7766 (local_index, local_rindex): Delete, use strchr/strrchr instead.
7767 (copy_object): Fix format specifier vs argument mismatch.
7769 * mips-tdump.c: Make local functions static.
7770 (rindex): Don't #undef.
7771 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
7772 (fatal, fancy_abort): Delete.
7773 (read_seek): Avoid signed/unsigned compare.
7775 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7777 * combine.c (try_combine): Fix error in change to try original
7779 (gen_rtx_combine): Do same as gen_rtx for now.
7781 2001-03-11 Zack Weinberg <zackw@stanford.edu>
7783 * configure.in: AC_SUBST xm_defines.
7784 * configure: Regenerate.
7785 * Makefile.in: Set DEFINES=$(xm_defines) when building
7788 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
7790 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
7791 (cpp_included, find_include_file): Update.
7792 (_cpp_compare_file_date): Make else unconditional.
7794 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
7796 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
7798 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
7800 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
7801 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
7803 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
7805 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
7806 if it's a record type.
7808 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
7810 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
7811 mingw includes slightly.
7813 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7815 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
7816 #undef token before poisoning it.
7818 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7820 * alpha.c (check_float_value): Use memcpy, not bcopy.
7822 * m32r.c (m32r_sched_reorder): Likewise.
7824 * vax.c (check_float_value): Likewise.
7826 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
7828 * toplev.c (file_name_nondirectory): Remove.
7829 * toplev.h: Similarly.
7830 * dwarf2out.c (compute_section_prefix): Use lbasename instead
7831 of file_name_nondirectory.
7833 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7835 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
7836 * mips-tfile.c: Don't #undef rindex; not used.
7838 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
7840 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
7841 (dbx64_register_map): Declare.
7842 (RETURN_ADDR_RTX): Fix for 64bit.
7843 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
7844 (INCOMING_FRAME_SP_OFFSET): Set to 8.
7845 * i386.c (dbx64_register_map): New global array.
7846 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
7847 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
7850 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
7852 * cppfiles.c (search_from): Use lbasename.
7853 * mkdeps.c (deps_add_default_target): Use lbasename.
7855 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7857 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
7858 xcalloc in lieu of malloc, realloc & calloc.
7860 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
7862 * gengenrtl.c (xmalloc): Likewise.
7864 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
7865 really_call_* memory allocation routines.
7867 * stmt.c (check_for_full_enumeration_handling): Use
7868 really_call_calloc, not calloc.
7870 * system.h (really_call_malloc, really_call_calloc,
7871 really_call_realloc): Define.
7872 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
7874 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
7876 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
7878 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
7880 * configure: Rebuilt.
7881 * configure.in: Only use `lang_requires' for languages athat are
7884 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
7886 * invoke.texi: Fix typo.
7887 * gcc.1: Regenerate.
7889 2001-03-09 Zack Weinberg <zackw@stanford.edu>
7891 * configure.in: Prune nonexistent files from build_xm_file,
7892 xm_file, and host_xm_file lists. Warn unless they're
7894 Don't generate *config.h here.
7895 AC_SUBST all variables needed to generate *config.h.
7896 * configure: Regenerate.
7897 * mkconfig.sh: New helper script, from code removed from
7899 * Makefile.in: Zap all MALLOC variables - no longer used
7900 anywhere, and malloc.c doesn't exist.
7901 Substitute in variables needed to generate *config.h.
7902 Stop lying about the dependencies contained in CONFIG_H and
7904 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
7905 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
7906 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
7907 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
7908 $(TM_P_H), etc. as appropriate.
7910 * config.gcc: Zap references to deleted files.
7911 * ggc-none.c: Don't include rtl.h or tm_p.h.
7913 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
7914 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
7915 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
7916 config/i386/xm-linux.h, config/i386/xm-linux.h,
7917 config/i386/xm-next.h, config/i386/xm-openbsd.h,
7918 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
7919 Don't include i386/xm-i386.h.
7921 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
7922 config/i386/xm-i386.h, config/i860/xm-i860.h,
7923 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
7924 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
7925 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
7926 Delete (empty except comments, #includes of other deleted
7927 files, and macros used nowhere).
7929 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
7931 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
7932 independent on TARGET_FLAGS.
7934 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
7936 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
7938 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
7940 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
7942 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
7943 LAST_REX_SSE_REG): define.
7944 (enum reg_class): Add 'LEGACY_REGS'
7945 (REG_CLASS_CONTENTS): Likewise; add extended registers.
7946 (SSE_REGNO_P): Recognize extended registers.
7947 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
7948 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
7949 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
7950 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
7951 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
7952 REG_OK_FOR_STRREG_P): Remove.
7953 (HI_REGISTER_NAMES): Add extended registers.
7954 (ADDITIONAL_REGISTER_NAMES): Likewise.
7955 (QI_REGISTER_NAMES): Add 8bit extended registers.
7956 (DEBUG_REG): Support extended registers.
7957 * i386.c (regclass_map): Add extended registers.
7958 (dbx_register-map): Likewise.
7959 (svr4_dbx_register_map): Likewise.
7960 (print_reg): Support extended registers.
7961 (print_operand): Support 64bit operands.
7963 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
7965 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
7966 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
7967 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
7968 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
7969 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
7970 STACK_BOUNDARY): Set properly for 64bits.
7971 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
7972 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
7973 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
7974 (MOVE_MAX): Set to 16.
7975 (MOVE_MAX_PIECES): 8 for 64bit.
7976 (Pmode): Set to SImode.
7978 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
7980 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
7982 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
7984 * i386.h (mask_64bit): New constant.
7985 (target_64bit): New macro.
7986 (target_options): Add '64'/'32'
7987 (target_default): Define.
7988 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
7989 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
7990 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
7992 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
7994 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
7996 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
7998 * rtlanal.c (rtx_varies_p): Check operand 0 of a
7999 LO_SUM unless for_alias is set.
8001 2001-03-08 Stan Shebs <shebs@apple.com>
8003 * objc/objc-act.c: Fix old typos in comments, add comments for
8005 (hash_init): Fix file name in error message.
8006 (hash_enter): Ditto.
8007 (hash_add_attr): Ditto.
8008 (continue_class): Ditto.
8010 2001-03-08 Bruce Korb <bkorb@gnu.org>
8012 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
8013 wait4() can receive the signal.
8015 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8017 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
8019 * fixinc/fixincl.x: Regenerate.
8021 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8023 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
8025 * fixinc/fixincl.x: Regenerate.
8027 2001-03-08 Richard Henderson <rth@redhat.com>
8029 * configure.in (HAVE_AS_LEB128): New assembler check.
8030 * configure, config.in: Rebuilt.
8032 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
8034 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
8037 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8039 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
8040 references to the MAXPATHLEN macro.
8042 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
8043 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
8046 * config/i386/xm-gnu.h, config/xm-gnu.h,
8047 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
8048 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
8049 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
8050 and/or unused files.
8052 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
8053 doing so in various xm-*.h files.
8055 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8057 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
8059 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
8061 * configure.in (enable_shared): Support per-package shared-library
8063 * configure: Rebuilt.
8065 2001-03-07 David Edelsohn <edelsohn@gnu.org>
8067 * rs6000.md (cr logic): Add original POWER mnemonic alternative
8068 for crnot. Set operands[5] in splitter.
8070 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8072 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
8073 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
8074 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
8075 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
8076 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
8077 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
8078 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
8081 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
8082 config/i370/xm-i370.h, config/i386/xm-dgux.h,
8083 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
8084 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
8085 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
8086 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
8087 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
8088 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
8089 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
8090 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
8091 Delete unused and/or empty files.
8093 * config.gcc: Define USG in xm_defines as appropriate. Define
8094 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
8095 macro. Remove deleted xm-* files from $xm_files variable.
8097 2001-03-07 Tom Tromey <tromey@redhat.com>
8099 * configure: Rebuilt.
8100 * configure.in: Allow config-lang.in to set `lang_requires' to list
8101 of other required languages.
8103 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
8105 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
8107 (output_prologue): Use xmalloc not oballoc.
8108 (output_epilog): Free a29k_first_epilogue_insn when finished.
8109 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
8111 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
8113 * builtins.c (expand_builtin_mathfn): Check
8114 flag_unsafe_math_optimizations, not flag_fast_math.
8115 (expand_builtin): Likewise
8116 * combine.c (combine_simplify_rtx): Likewise.
8117 (simplify_if_then_else): Likewise.
8118 * cse.c (fold_rtx): Likewise.
8119 * flags.h: Remove flag_fast_math. Add
8120 flag_unsafe_math_optimizations and flag_trapping_math.
8121 * fold-const.c (negate_expr): Check
8122 flag_unsafe_math_optimizations, not flag_fast_math.
8123 (invert_truthvalue): Likewise.
8124 (fold): Likewise. Before associating operands, check that
8125 code == MULT_EXPR, not code != MULT_EXPR.
8126 * ifcvt.c (noce_try_minmax): Check
8127 flag_unsafe_math_optimizations, not flag_fast_math.
8128 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
8129 * invoke.texi: Document -funsafe-math-optimizations and
8130 -fno-trapping-math. Change documentation for -ffast-math.
8131 * jump.c (reversed_comparison_code_parts): Likewise.
8132 (rtx_equal_for_thread_p): Likewise.
8133 * optabs.c (emit_conditional_move): Likewise.
8134 * simplify-rtx.c (simplify_binary_operation): Likewise.
8135 (simplify_relational_operation): Likewise.
8136 (simplify_ternary_operation): Likewise.
8137 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
8138 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
8139 Add trapping-math and unsafe-math-optimizations entries to f_options.
8140 (set_fast_math_flags): New, sets flags for -ffast-math.
8141 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
8142 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
8143 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
8145 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
8146 (alpha_emit_conditional_move): Initialize local_fast_math to
8147 flag_unsafe_math_optimizations, not flat_fast_math.
8148 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
8149 instead of setting flag_fast_math to 1.
8150 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
8152 * config/i386/i386.c (override_options): Likewise
8153 * config/i386/i386.md: Likewise.
8154 * config/m68k/m68k.md: Likewise.
8155 * config/mips/mips.md: Likewise.
8156 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
8157 (rs6000_generate_compare): Likewise.
8159 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
8161 * Makefile.in: Set RANLIB to @RANLIB@.
8164 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
8166 * fixinc/inclhack.def (djgpp_wchar_h): New test.
8167 * fixinc/fixincl.x: Regenerated.
8169 2001-03-07 Richard Henderson <rth@redhat.com>
8171 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
8173 2001-03-07 Richard Henderson <rth@redhat.com>
8175 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
8176 of block notes and exception handling notes.
8178 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
8179 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
8180 (compile_file): ... here.
8182 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8184 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
8186 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
8187 config.h now. Include libiberty.h to handle alloca.
8189 2001-03-06 Zack Weinberg <zackw@stanford.edu>
8191 * c-parse.in (yylexname): New function, split out of _yylex.
8192 (objc_rid_sans_at): New table.
8193 (init_reswords): Initialize it.
8194 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
8195 retrieving the next token and checking it for significance as
8196 an ObjC keyword or string constant.
8198 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
8199 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
8201 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
8204 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
8206 * config/m68k/m68k.c (const_uint32_operand): Accept any
8207 const_int on a 32-bit host.
8209 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
8211 * objc/objc-act.c (init_objc): Set save_lang_status,
8212 restore_lang_status, and mark_lang_status.
8214 2001-03-06 Krister Walfridsson <cato@df.lth.se>
8216 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
8218 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
8220 * cppinternals.texi: Update.
8222 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8224 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
8225 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
8226 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
8227 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
8228 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
8229 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
8230 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
8231 config/i386/xm-i386.h, config/i860/xm-i860.h,
8232 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
8233 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
8234 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
8235 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
8236 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
8237 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
8238 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
8239 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
8240 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
8241 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8242 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
8243 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
8244 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
8245 match the defaults provided in hwint.h.
8247 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
8248 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
8250 * config.gcc (xm_file): Don't set to files which are deleted.
8252 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
8253 guard this file against these macros being undefined.
8255 2001-03-06 Zack Weinberg <zackw@stanford.edu>
8257 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
8258 and DECL_DEFER_OUTPUT on the decl we create, before calling
8259 rest_of_decl_compilation.
8261 2001-03-06 Zack Weinberg <zackw@stanford.edu>
8263 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
8265 * configure, config.in: Regenerate.
8266 * config.gcc: Remove references to deleted files.
8268 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
8269 genrecog.c, rtl.c: Do not use alloca anywhere.
8271 * Makefile.in, build-make, system.h, config/x-interix,
8272 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
8273 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
8274 config/arc/xm-arc.h, config/arm/xm-arm.h,
8275 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
8276 config/h8300/xm-h8300.h, config/i370/x-oe,
8277 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
8278 config/i386/x-ncr3000, config/i386/x-sco5,
8279 config/i386/xm-dgux.h, config/i860/x-sysv4,
8280 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
8281 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
8282 config/m68k/x-hp320g, config/m69k/x-mot3300,
8283 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
8284 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
8285 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
8286 config/m88k/x-sysv4, config/m88k/x-tekXD88,
8287 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
8288 config/mips/x-iris, config/mips/x-iris3,
8289 config/mips/x-sni-svr4, config/mips/x-sysv,
8290 config/mips/xm-iris6.h, config/mips/xm-mips.h,
8291 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
8292 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
8293 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
8294 config/pa/xm-papro.h, config/romp/xm-romp.h,
8295 config/rs6000/x-aix31, config/rs6000/x-aix41,
8296 config/rs6000/x-beos, config/rs6000/x-lynx,
8297 config/rs6000/x-mach, config/rs6000/x-rs6000,
8298 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
8299 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8300 config/sparc/x-sysv4, config/sparc/xm-linux.h,
8301 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
8302 config/vax/xm-vms.h: Eradicate all references to alloca and
8305 * config/xm-alloca.h, config/clipper/x-clix,
8306 config/i386/xm-sysv4.h, config/i860/x-fx2800,
8307 config/i860/x-sysv3, config/m88k/x-sysv3,
8308 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
8309 (contained only alloca related hacks).
8311 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
8314 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
8316 * invoke.texi: Document __FAST_MATH__.
8318 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8320 * crtstuff.c: Restore include of auto-host.h.
8322 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
8324 Put main() in a separate file, so that the language
8325 front-end can use a different main().
8328 * toplev.c: (main): Rename as toplev_main.
8329 * toplev.h: Declare toplev_main.
8330 * Makefile.in (OBJS): add toplev.o.
8331 (BACKEND): remove toplev.o, add main.o.
8333 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
8335 * cppfiles.c (search_from): Special case the empty string.
8337 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
8339 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
8340 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
8341 strlen or strcpy; we already know the length.
8342 (_cpp_compare_file_date): Similarly.
8343 * cpphash.h (struct cpp_reader): Delete done_initialising.
8344 (CPP_PREV_BUFFER): Delete.
8345 * cppinit.c (cpp_start_read): Don't set done_initialising.
8346 * cpplex.c (parse_string): Guarantee null-termination.
8347 (_cpp_equiv_toklists): Remove.
8348 * cpplib.c (glue_header_name): Null-terminate.
8349 (do_line): Don't leak memory.
8350 * cpplib.h (BT_WEAK): Delete.
8351 * cppmain.c (cb_ident): Strings are now null-terminated.
8353 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
8355 * gcc.c (convert_filename): Append executable suffix
8356 if NO_AUTO_EXE_SUFFIX is not defined.
8357 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
8358 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
8360 2001-03-03 David O'Brien <obrien@FreeBSD.org>
8362 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
8363 * c-parse.gperf, c-gperf.h: Delete.
8364 (c-gperf.h was accidently re-added to the CVS repo in the rev
8365 1.16 commit by tromey)
8367 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
8369 * cpplex.c (_cpp_lex_token): Don't warn about directives in
8370 macro arguments when looking for the '('.
8371 * cppmacro.c (funlike_invocation_p): Set parsing_args to
8372 2 when really parsing arguments; 1 when looking for '('.
8373 Always restore the lexer position.
8375 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
8377 * longlong.h (umul_ppmm): Don't use a multiline string.
8379 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
8381 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
8382 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
8383 t_bool in declaration because pcc can't combine volatile with typedef
8386 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
8388 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
8389 until when it is really needed.
8390 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
8391 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
8392 * i386.md (float?i?f splitter): Don't force source operand to memory
8394 (sse_movdfcc): Fix constraint.
8395 (sse_movdfcc splitter): Handle properly the second alternative.
8397 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
8399 * cpplex.c (parse_string): Unconditionally pedwarn.
8401 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
8404 * cppexp.c (parse_number): Update.
8405 * cpplex.c (parse_string): Pedwarn if multiline string does not
8406 result from a system header's macro.
8407 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
8408 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
8409 for function-like macros too.
8410 * c-lex.c (lex_number): Update.
8412 2001-03-03 Richard Henderson <rth@redhat.com>
8414 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
8416 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
8418 * combine.c (try_combine): If split with mode-changed scratch
8419 register didn't work, try the original mode.
8421 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
8423 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
8424 * config/c4x/c4x.h: Likewise.
8425 * stor-layout.c (compute_record_mode): Likewise.
8426 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
8428 2001-03-02 Zack Weinberg <zackw@stanford.edu>
8430 * configure.in: Kill tm.h. Include the files in the $tm_file
8431 list in all three of config.h, hconfig.h, tconfig.h, after the
8432 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
8433 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
8434 * configure: Regenerate.
8435 * Makefile.in (clean): Don't delete tm.h.
8437 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
8438 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
8439 those are not defined, set SEC and FEC to 0 and 1.
8440 * gcc.texi: Update to match.
8442 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
8443 * config/fp-bit.c, config/m68k/aux-crt2.asm,
8444 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
8445 Include tconfig.h, not tm.h.
8447 * config/xm-lynx.h, config/xm-std32.h,
8448 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
8449 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
8450 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
8451 config/clipper/xm-clix.h, config/convex/xm-convex.h,
8452 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
8453 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
8454 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
8455 config/i386/xm-i386.h, config/i860/xm-i860.h,
8456 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
8457 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
8458 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
8459 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
8460 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
8461 config/pa/xm-linux.h, config/pa/xm-pa.h,
8462 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
8463 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
8464 config/pj/xm-pj.h, config/romp/xm-romp.h,
8465 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
8466 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8467 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
8468 config/v850/xm-v850.h, config/vax/xm-vax.h,
8469 config/we32k/xm-we32k.h:
8471 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
8473 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
8474 config/i370/xm-oe.h: Don't include tm.h. Don't define
8476 * config/vax/xm-vms.h: Don't include tm.h.
8478 * config/xm-lynx.h, config/avr/xm-avr.h,
8479 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
8480 Delete; made empty by above changes.
8481 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
8482 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
8483 Don't include config/xm-lynx.h or tm.h.
8485 * config/xm-gnu.h: Don't include fcntl.h.
8486 * config/sparc/xm-lynx.h: Don't include sys/types.h and
8488 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
8490 2001-03-02 Richard Henderson <rth@redhat.com>
8492 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
8493 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
8495 2001-03-02 Richard Henderson <rth@redhat.com>
8497 * Makefile.in (OBJS): Add dwarf2asm.o.
8498 * dwarf2asm.c, dwarf2asm.h: New files.
8499 * dwarf2out.c (*): Use them.
8500 (size_of_uleb128, size_of_sleb128): Remove.
8501 (output_uleb128, output_sleb128): Remove.
8502 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
8503 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
8504 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
8505 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
8506 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
8507 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
8508 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
8509 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
8510 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
8511 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
8512 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
8513 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
8514 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
8515 (dwarf2out_frame_debug): Remove unused variables.
8516 (output_loc_operands): Don't abort on 8 byte constants if
8517 host integers are wide enough.
8518 (output_symbolic_ref): Remove.
8519 (size_of_die): Don't assume 4 byte host integers.
8520 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
8522 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
8523 something stupid with HOST_WIDE_INT to long truncation.
8524 [CONST_DOUBLE]: Likewise.
8526 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
8527 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
8528 * config/arm/unknown-elf.h: Likewise.
8529 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
8530 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
8531 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
8532 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
8533 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
8534 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
8535 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
8536 (ASM_OUTPUT_DWARF_OFFSET): Remove.
8537 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
8538 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
8539 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
8540 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
8542 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
8544 * cselib.c (hash_rtx): Cast enums to unsigned int.
8546 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
8548 * print-rtl.c (print_rtx): Cast enums to int for comparison.
8549 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
8551 * c-format.c (C_STD_VER): Cast to int for comparisons.
8552 (check_function_format): Cast various enums to int for &.
8553 (maybe_read_dollar_number): Likewise.
8554 (check_format_info): Likewise.
8555 (check_format_info_main): Likewise.
8556 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
8557 (safe_from_p): Likewise.
8558 * varasm.c (const_hash): Cast enum to int for %.
8559 * emit-rtl.c (init_emit_once): Use int loop variable to work around
8560 pcc enum problems with < and ++ operators.
8561 * regclass.c (init_reg_sets_1): Cast enums for comparison.
8562 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
8563 (regclass_init): Change enum class to int to iterate over reg_classes.
8564 * genrecog.c (merge_trees): Cast enums for comparison.
8565 * rtl.h (GET_CODE): Cast to enum rtx_code.
8566 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
8567 (GET_MODE): Cast to enum machine_mode.
8568 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
8569 (GET_NOTE_INSN_NAME): Cast enum to int.
8570 * tree.h (TREE_CODE): Cast to enum tree_code.
8571 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
8572 * timevar.c (timevar_print): Change loop variable id from enum to
8574 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
8575 * config/i386/i386.md: Use PUT_MODE for mode assignment.
8576 * toplev.c (compile_file): Cast enum DFI to int.
8577 (decode_d_option): Likewise.
8579 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
8581 * cppinit.c (append_include_chain): Mark "after" include file name list
8582 as a system directory.
8583 * cpp.texi: Document new behavior.
8585 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
8587 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
8589 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
8591 * cppfiles.c (struct include_file): Update.
8592 (stack_include_file): Use search_from.
8593 (cpp_included, find_include_file): Update.
8594 (cpp_execute_include): Update. ptr->name may not be
8595 null terminated. Use the new search_from member variable
8597 (_cpp_compare_file_date): Similarly.
8598 (search_from): New function, similiar to actual_directory.
8599 (actual_directory): Delete.
8600 (remap_filename): Update. loc->name may not be null terminated.
8601 (struct file_name_list): Rename search_path. Update.
8602 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
8603 search_from and dir.
8604 (struct cpp_reader): Remove actual_dirs.
8605 * cppinit.c (struct cpp_pending): Update for renamed objects.
8606 (append_include_chain, remove_dup_dir, remove_dup_dirs,
8607 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
8608 * cpplib.h (struct cpp_options): Similarly.
8610 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8612 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
8613 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
8614 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
8615 config/clipper/xm-clix.h, config/convex/xm-convex.h,
8616 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
8617 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
8618 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
8619 config/i370/xm-linux.h, config/i370/xm-mvs.h,
8620 config/i370/xm-oe.h, config/i386/xm-aix.h,
8621 config/i386/xm-i386.h, config/i386/xm-osf.h,
8622 config/i860/xm-i860.h, config/i960/xm-i960.h,
8623 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
8624 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
8625 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
8626 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
8627 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
8628 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
8629 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
8630 config/pj/xm-pj.h, config/romp/xm-romp.h,
8631 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
8632 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8633 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
8634 config/v850/xm-v850.h, config/vax/xm-vax.h,
8635 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
8636 Do not define TRUE or FALSE.
8638 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
8639 empty by above change.
8640 * config.gcc: Remove references to these files.
8642 * configure.in: Detect stdbool.h.
8643 * configure, config.in: Regenerate.
8644 * system.h: Include stddef.h here if available.
8645 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
8646 Then set up a sensible boolean type at the very end.
8648 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
8649 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
8651 * hash.h: Delete 'boolean' typedef and related #undefs.
8653 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
8654 all uses of 'boolean' with 'bool'.
8656 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
8658 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
8659 * cppexp.c (lex): Cast enums for comparison.
8660 * cppinit.c (parse_option): Cast enum for comparison.
8661 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
8662 (cpp_output_token): Likewise.
8663 (cpp_can_paste): Cast enums for comparsion and plus/minus.
8664 (cpp_avoid_paste): Cast enums for minus and comparison.
8666 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8668 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
8669 field to all array elements.
8671 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8673 * cpphash.h (struct cpp_reader): Add print_version field.
8674 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
8675 just set print_version and other flags as appropriate.
8676 (cpp_post_options): Print version here if print_version is set.
8678 * toplev.c (exit_after_options): New flag.
8679 (independent_decode_option): Don't exit here; just set
8681 (main): Exit after calling lang_hooks.post_options if
8682 exit_after_options is true.
8684 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
8685 (merge_include_chains): Adjust comment to match code.
8687 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8689 * stringpool.c (set_identifier): New function.
8690 * tree.h: Prototype it.
8692 * c-parse.in: Kill D_YES. If compiled for objc, call
8693 save_and_forget_protocol_qualifiers from init_reswords.
8694 * objc/objc-act.c (remember_protocol_qualifiers,
8695 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
8696 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
8698 (save_and_forget_protocol_qualifiers): New function.
8699 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
8701 2001-03-01 Diego Novillo <dnovillo@redhat.com>
8703 * c-semantics.c (prune_unused_decls): Return error_mark_node
8704 instead of (tree) 1 to stop traversing the tree chain.
8706 2001-03-01 Bernd Schmidt <bernds@redhat.com>
8708 Fix a problem introduced by Kenner's Feb 18 change.
8709 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
8710 flag_cse_skip_blocks only temporarily, not for ever.
8712 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
8714 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
8715 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
8717 * pa.c (emit_move_sequence): Verify operand0 is a hard register
8718 before determining its register class.
8720 2001-03-01 Bernd Schmidt <bernds@redhat.com>
8722 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
8723 from reg 4 if current_function_calls_setjmp.
8724 (gen_nop_type): New function.
8725 (ia64_emit_nops): New function.
8726 (ia64_reorg): Call it.
8727 (ia64_sched_reorder): Move code that rotates bundles up a bit.
8729 * reload1.c (eliminate_regs_in_insn): Restrict the special case
8730 code not to try to optimize adds with anything but a REG destination.
8732 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
8733 (INSN_PRIORITY_KNOWN): New accessor macro.
8734 * haifa-sched.c (priority): Use it instead of testing priority against
8737 2001-02-28 DJ Delorie <dj@redhat.com>
8739 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
8740 since that doesn't work the way gcc wants on a generic m68k.
8742 2001-02-28 Richard Henderson <rth@redhat.com>
8744 * caller-save.c (save_call_clobbered_regs): Fix typo in
8745 comparison last change.
8747 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
8749 * i386.c (pentium4_cost): New.
8750 (m_PENT4): New macro.
8751 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
8752 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
8753 x86_integer_DFmode_moves, x86_partial_reg_dependency,
8754 x86_memory_mismatch_stall): Add Pentium4
8755 (x86_use_q_reg, x86_use_any_reg): Kill.
8756 (override_options): Add pentium4.
8757 (incdec_operand): Return 0 for pentium4.
8758 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
8759 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
8760 (TARGET_PENTIUM4): Define.
8761 (enum processor_type): Add PROCESSOR_PENTIUM4.
8762 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
8763 * i386.md (attribute "cpu"): Add pentium4.
8764 * invoke.texi (march): Add pentium4.
8766 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
8768 * i386.md (sse_mov?fcc*): New patterns and splitters.
8769 * i386.c (ix86_expand_movcc): Work post-reload; recognize
8770 the SSE based conditional moves.
8772 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
8774 * i386.md (attribute mode): Add "TI".
8775 (movsf_1): Add pxor support; remove constant propagation splitter.
8776 (movdf_integer): Likewise.
8777 (movdf_nointeger): Likewise.
8778 (movxf constant prop splitter): Handle all modes; update for SSE.
8779 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
8780 * i386.c (standard_80387_constant_p): Rewrite.
8781 (standard_sse_constant_p): New.
8782 * i386-protos.h (standard_sse_constant_p): New.
8784 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
8786 * i386.md (sse_setccsf, sse_setccdf): New.
8787 (sse_cmp* patterns): Use '%D' instead of outputtting condition
8789 * i386.c (sse_comparison_operator): Accept the supported unordered
8790 comparses; be ready for fast_math.
8791 (print_operand): Support 'D'.
8793 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
8795 * jump.c (reversed_comparison_code): Kill.
8797 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
8799 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
8802 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
8804 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
8805 add missing '%' in constraints.
8807 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
8809 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
8810 for HOST_BITS_PER_WIDE_INT == 32 too.
8812 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
8814 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
8816 (insert_save, insert_restore): New parameter save_mode.
8817 (init_caller_save): Update initialization of reg_save_code
8818 and reg_restore_code.
8819 (save_call_clobbered_regs): Compute save_modes and update calls to
8820 reg_save_code and reg_restore_code.
8821 (insert_restore): Unsignetize numbers; use save_modes to choose mode
8822 of spill; update use of reg_restore_code.
8823 (insert_save): Likewise.
8824 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
8825 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
8826 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
8828 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
8830 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
8831 noce_try_store_flag_inc, noce_try_store_flag_mask,
8832 noce_try_cmove_arith):
8833 Use reversed_comparison_code instead of reverse_comparison and
8834 can_reverse_comparison_p.
8836 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
8838 * jump.c (reversed_comparison_code_parts): Allow reversal of
8839 unordered compares in -ffast-math mode; reverse ordered compares
8840 for FP even w/o -ffast-math.
8842 2001-02-27 Richard Henderson <rth@redhat.com>
8844 * print-rtl.c (print_rtx) [i]: Don't print field five on
8845 NOTEs other than NOTE_INSN_DELETED_LABEL.
8847 2001-02-27 Zack Weinberg <zackw@stanford.edu>
8849 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
8850 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
8852 2001-02-27 Diego Novillo <dnovillo@redhat.com>
8854 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
8855 even if walk_subtrees is 0.
8856 * c-semantics.c (prune_unused_decls): Return a non-null value to
8857 stop traversing the tree chain.
8859 2001-02-27 DJ Delorie <dj@redhat.com>
8861 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
8862 register, *then* define it as the new CFA.
8864 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
8866 * pa.c (override_options): Promote -fpic to -fPIC.
8867 (legitimize_pic_address): Simplify due to removal of
8868 small PIC as a code generation option.
8869 (secondary_reload_class): Similarly.
8870 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
8871 (PRINT_OPERAND_ADDRESS): Similarly.
8872 * pa.md (various patterns): Similarly.
8873 (small pic lo_sum pattern): Remove.
8875 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
8878 * md.texi (min, max): Document
8880 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
8882 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
8883 TARGET_PARTIAL_REG_DEPENDENCY.
8884 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
8886 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
8888 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
8890 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
8892 * mips.c (mips_make_temp_file): Fix thinko in last change.
8894 2001-02-26 Jason Eckhardt <jle@redhat.com>
8896 * combine.c (known_cond): Do not reverse the condition when
8897 SMAX/UMAX is being considered and the condition is for equality
8900 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
8902 2001-02-26 Philip Blundell <philb@gnu.org>
8904 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
8906 * config/arm/linux-elf.h: Remove historical relics related to
8907 above configurations.
8908 * config/arm/linux-oldld.h: Delete.
8909 * config/arm/linux-elf26.h: Delete.
8911 2001-02-26 Jason Merrill <jason@redhat.com>
8913 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
8915 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
8916 recognize a tentative definition. Lose obsolete code.
8918 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
8919 variables unless necessary, either.
8921 2001-02-25 Richard Henderson <rth@redhat.com>
8923 * ifcvt.c (struct noce_if_info): Add test_bb.
8924 (noce_get_alt_condition): New.
8925 (noce_try_minmax, noce_try_abs): New.
8926 (noce_operand_ok): New.
8927 (noce_process_if_block): Use them.
8928 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
8930 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
8932 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
8935 2001-02-25 Zack Weinberg <zackw@stanford.edu>
8937 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
8938 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
8940 (mips_asm_file_end): Free temp_filename here.
8942 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8944 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
8945 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
8947 * config/i386/i386.md (movstrsi): Handle FAIL case.
8949 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
8951 * cppinit.c (builtin_array): Update.
8952 (init_builtins): Flag builtins to warn if redefined or
8953 undefined. Define __GXX_WEAK as a normal macro.
8954 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
8955 * cpplib.h (NODE_WARN): New flag.
8956 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
8957 Handle __STDC__ as a builtin only on Solaris.
8958 (warn_of_redefinition): Renamed from check_macro_definition.
8959 Reverse sense of test. Always warn if NODE_WARN.
8960 (_cpp_create_definition): Use warn_of_redefinition. Flag
8961 any macro beginning with "__STDC_" to require a mandatory
8962 warning if redefined or undefined.
8964 2001-02-24 Zack Weinberg <zackw@stanford.edu>
8966 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
8967 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
8968 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
8969 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
8970 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
8971 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
8972 Don't define any of:
8973 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
8974 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
8975 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
8976 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
8977 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
8979 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
8980 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
8983 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
8984 Delete now-empty file.
8986 * alpha/vms.h: Define NEED_ATEXIT here...
8987 * alpha/xm-vms.h: ...not here.
8989 * i386/cygwin.h: Don't define PARAMS.
8990 * mips/mips.c: Don't prototype mktemp. Don't define
8991 P_tmpdir. Use make_temp_file to create temporary files.
8992 Don't be clever and delete temporary files early.
8993 * config.gcc: Drop references to deleted files. Don't define
8995 * gcc.texi: Don't mention USE_PROTOTYPES.
8997 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8999 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
9000 (ix86_set_move_mem_attrs_1): Likewise.
9001 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
9002 * config/i386/i386.md (movstrsi): Call it.
9004 2001-02-24 Zack Weinberg <zackw@stanford.edu>
9006 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
9007 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
9008 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
9009 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
9011 (i750a-*-*): Error here if hosting on i750a.
9012 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
9014 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
9015 Remove (empty modulo comments).
9017 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
9018 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
9019 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
9020 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
9021 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
9022 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
9024 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
9025 Remove reference to winnt.h in comment.
9026 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
9028 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9030 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
9031 used to set another biv.
9033 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9035 * tree.h (BLOCK_DEAD): New macro.
9036 (struct tree_block): New flag, dead_flag.
9037 * print-tree.c (print_node, case 'b'): Print missing fields.
9038 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
9039 * function.c (identify_blocks): Enable test for misplaced notes.
9040 (all_blocks): Skip BLOCK_DEAD blocks.
9041 * integrate.c (integrate_decl_tree): Likewise.
9043 * errors.c (internal_error, trim_filename): New functions.
9044 (fancy_abort): Call internal_error.
9045 * errors.h (internal_error, trim_filename): New declarations.
9047 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
9049 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
9051 (EXTRA_CONSTRAINT): Formatting changes.
9053 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9055 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
9057 2001-02-23 Per Bothner <per@bothner.com>
9059 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
9060 so they can be called from java/jvspec.c.
9061 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
9063 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
9065 * i386.c (ix86_frame): New structure.
9066 (ix86_compute_frame_size): Kill.
9067 (ix86_compute_frame_layout): New.
9068 (ix86_save_reg): New.
9069 (ix86_can_use_return_insn_p): Use frame layout stuff.
9070 (ix86_expand_prologue): Likewise.
9071 (ix86_expand_epilogue): Likewise.
9072 (ix86_initial_elimination_offset): Likewise.
9073 (ix86_nsaved_regs): Use ix86_save_reg.
9074 (ix86_emit_save_regs): Likewise.
9076 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
9078 * flow.c (find_sub_basic_blocks): New function.
9079 (split_block): Be ready for basic block introduced by CODE_LABEL.
9080 (commit_one_edge_insertion): Call find_sub_basic_block.
9082 * flow.c (make_edges): Add edge from entry for blocks starting with
9083 label having ALTERNATE_NAME
9085 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
9087 * function.c (epilogue_done): Be ready for first basic block not
9088 containing PROLOGUE_END note.
9089 (reposition_prologue_and_epilogue_notes): Avoid placing
9090 PROLOGUE_END note between BASIC_BLOCK.
9092 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
9094 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
9096 2001-02-21 DJ Delorie <dj@redhat.com>
9098 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
9099 check for current_function_has_nonlocal_goto from 1999-11-12.
9101 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9103 * diagnostic.c (trim_filename): No longer static.
9104 * toplev.h (trim_filename): Declare.
9105 * rtl.c (rtl_check_failed_bounds): Call internal_error.
9106 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
9107 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
9108 (rtvec_check_failed_bounds): Likewise.
9109 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
9111 * convert.c (convert_to_integer): Don't do unsigned unless result or
9112 both inputs are unsigned.
9114 * fold-const.c (fold_convert): Don't call size_int_type_wide if
9117 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
9119 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
9121 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
9123 * Makefile.in (resource.o): Add params.h dependence.
9124 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
9125 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
9126 * resource.c: Add dependence on params.h.
9127 (current_live_regs): Fix explanatory comment.
9128 (find_basic_block): Add new parameter to permit limiting search
9130 (mark_target_live_regs): Add new argument to find_basic_block call.
9131 (incr_ticks_for_insn): Likewise.
9133 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
9135 * diagnostic.c (output_to_stream): Rename to
9136 output_buffer_to_stream. Loses the stream parameter.
9137 (init_output_buffer): Set diagnosic_buffer's stream.
9138 (flush_diagnostic_buffer): Adjust.
9139 (default_print_error_function): Likewise.
9140 (finish_diagnostic): Likewise.
9141 (verbatim): Likewise.
9143 * diagnostic.h (struct output_buffer): Add `stream' field.
9144 (output_buffer_attached_stream): New macro.
9146 2001-02-23 Jakub Jelinek <jakub@redhat.com>
9148 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
9149 check if either operand is divisible by C.
9150 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
9151 If type is signed, consider negative numbers as well.
9153 2001-02-22 Richard Henderson <rth@redhat.com>
9155 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
9156 reach .text instead of gp-relative relocs.
9157 * config/ia64/crtend.asm (.init): Likewise.
9159 2001-02-22 Andreas Jaeger <aj@suse.de>
9161 * extend.texi (C++ Attributes): Fix typo.
9163 2001-02-21 David Mosberger <davidm@hpl.hp.com>
9165 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
9166 functions, drop current_function_args_info.words test.
9167 (ia64_compute_frame_size): Mark syscall_linkage functions as
9168 using eight input registers.
9170 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
9171 Bruce Korb <bkorb@gnu.org>
9173 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
9174 * fixinc/README: Document how to convert sed substitutions
9175 to format style c_fix-es.
9176 * fixinc/fixincl.x: regen
9178 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
9180 * gcc.c: Add comment explaining how to add a command-line option.
9181 Add title to specs language comment.
9183 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
9185 * gcc.c (cc1_options): Add "-param".
9186 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
9187 (option_map): Likewise.
9188 * toplev.c (display_help): Add entry for "--param".
9189 (independent_decode_option): Fix typographical error.
9191 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
9192 Bernd Schmidt <bernds@redhat.com>
9193 Jan Hubicka <jh@suse.cz>
9195 * i386.c (function_arg_advance): Pass SSE arguments in registers.
9196 (function_arg): Likewise.
9198 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
9200 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
9202 2001-02-21 Kazu Hirata <kazu@hxi.com>
9204 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
9208 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
9210 * flow.c (init_propagate_block_info): Canon address and use single_set
9211 for killing dead memory stores.
9213 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
9215 * Makefile.in (reorg.o): Add params.h dependence.
9216 * params.def: Fix typographical error in comment.
9217 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
9218 * params.h: Modify introductory comment.
9219 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
9220 * reorg.c: Add dependence on params.h.
9221 (redundant_insn): Add parameterized throttle for search.
9222 (fill_simple_delay_slots): Add a comment explaining a variable.
9223 Move conditional out of loop, simplifying code.
9224 (fill_eager_delay_slots): Fix typographical error in comment.
9226 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
9228 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
9230 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
9231 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
9233 2001-02-21 Jason Merrill <jason@redhat.com>
9235 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
9236 (struct tree_decl): Add uninlinable bitfield.
9237 * c-decl.c (duplicate_decls): Set it.
9238 * integrate.c (function_cannot_inline_p): Check it.
9240 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
9241 DW_AT_MIPS_linkage_name to abstract methods.
9242 (dwarf2out_abstract_function): Emit class context before calling
9243 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
9244 (gen_subprogram_die): Remove obsolete code.
9245 (gen_member_die): Don't include clones in the member list.
9246 (gen_decl_die): Emit abstract info for clone origin.
9247 * dwarfout.c (output_type): Don't include clones in the member list.
9248 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
9249 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
9250 DECL_ABSTRACT on a function that already has it set.
9252 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
9253 (get_subprogram_die): Pass it in.
9255 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
9257 * flow.c (mark_set_1): Make not_dead unsigned long. For
9258 non-pseudos, use it as a bitmask of the hard regs that
9261 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
9263 * cppfiles.c: Update comments.
9264 (_cpp_read_file): Don't check for NULL filenames any more.
9265 * cppinit.c (cpp_start_read): Don't do canonicalization of
9266 in_fname and out_fname. Use the passed file name exclusively.
9267 (_cpp_handle_options): Don't treat "-" as a command line option,
9268 but as a normal filename.
9269 (_cpp_post_options): Canonicalize in_fname and out_fname.
9270 * cppmain.c (printer_init): Don't check out_fname for NULL.
9271 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
9272 (init_c_lex): Update, and use "" to represent stdin to CPP.
9275 2001-02-20 Will Cohen <wcohen@redhat.com>
9277 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
9278 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
9279 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
9282 2001-02-20 Stan Shebs <shebs@apple.com>
9284 * config/rs6000/rs6000.c (output_cbranch): Output branches
9285 on separate lines instead of using ';' to separate.
9287 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
9289 * cppinit.c (set_lang): Move builtin handling to...
9290 (init_builtins): ...here.
9291 (_cpp_create_reader): Move call to set_lang.
9293 2001-02-20 Mark Mitchell <mark@codesourcery.com>
9295 * stmt.c (expand_return): If an attempt is made to return the
9296 error_mar_node, treat the return like a return without a value.
9298 2001-02-19 Zack Weinberg <zackw@stanford.edu>
9300 * sibcall.c (skip_copy_to_return_value): Call
9301 identify_call_return_value here, and return orig_insn if it
9302 returns zero. Hardret and softret arguments now unnecessary.
9303 (call_ends_block_p): Don't call identify_call_return_value here.
9305 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
9307 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
9308 * ggc.h (ggc_mark_if_gcable): Delete prototype.
9310 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
9312 * pa.c (move_operand): Accept code to load the address of a
9313 symbol out of the DLT as a valid move operand.
9314 (print_operand, case 'A'): New to handle generating a DLT
9315 reference for a LO_SUM expression.
9316 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
9317 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
9319 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
9321 * README, cpp.texi, gcc.texi, version.c: Update version number to
9323 * cpp.1, gcov.1, gcc.1: Regenerate.
9325 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
9327 * cppfiles.c (stack_include_file): Generate dependencies
9328 here, and manage include_count here too.
9329 (PRINT_THIS_DEP): Delete.
9330 (_cpp_execute_include): Do not generate dependencies here,
9331 apart from the case of a missing header. Do not manage
9333 (_cpp_read_file): Leave dependency generation to
9336 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
9338 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
9339 target_cpu_default. Remove dead assignment to
9342 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
9344 * regclass.c (contains_reg_of_mode): Make global.
9345 (init_reg_sets): Remove contains_reg_of_mode; take into account
9346 CLASS_MAX_NREGS when looking for the proper mode.
9347 (dump_regclass): Dump only classes considered for the pseudo.
9348 (regclass): Use contains_reg_of_mode.
9350 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
9352 * gcc.c (do_spec_1): 'n' for printing notices.
9353 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
9355 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
9357 * reg-stack.c (next_flags_user): Use current_block->end
9358 (swap_rtx_condition): Look for next user if flags don't die;
9359 give up on CALL_INSNs; use current_block->end.
9361 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9363 * sibcall.c (call_ends_block_p): New function.
9364 (optimize_sibling_and_tail_recursive_call): Use it.
9366 2001-02-18 Kazu Hirata <kazu@hxi.com>
9368 * config/h8300/h8300.md: Update copyright.
9369 (andsi3): Do not output an extra newline character.
9371 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9373 * toplev.c (note_deferral_of_defined_inlined_function): Argument
9374 FNDECL may be unused.
9376 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
9377 follow jumps after first run.
9378 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
9379 it doesn't change any jumps.
9381 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
9383 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
9384 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
9385 (mostlyclean): Corresponding changes.
9386 * rtlanal.c (hard-reg-set.h): Include.
9387 (rtx_unstable_p): Do not treat the argument pointer specially
9388 if it is not a fixed register.
9389 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
9391 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9393 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
9394 against last real insn in basic block.
9395 Rework to avoid gotos.
9397 * Makefile.in (gcse.o): Now includes ggc.h.
9398 * gcse.c: Include ggc.h.
9399 (want_to_gcse_p): Verify expression can be in SET as valid insn.
9400 (try_replace_reg): Remove warning of uninitialize variable.
9401 (process_insert_insn): Call invalid_insn_p to validate insn.
9402 * recog.c (insn_invalid_p): Now global.
9403 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
9404 * recog.h (insn_invalid_p): New declaration.
9406 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
9408 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
9409 assignments from FP constants since 'Y' output code can't handle it.
9410 (eligible_for_sibcall_delay): Likewise.
9412 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
9413 Call fancy_abort directly, passing args.
9414 (print_rtl_and_abort): Now a macro, like fancy_abort.
9416 * final.c (output_operand_lossage): Use internal_error, not error.
9418 2001-02-18 Shane Nay <shane@agendacomputing.com>
9420 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
9421 structure shift insns.
9423 2001-02-18 Mark Mitchell <mark@codesourcery.com>
9425 * invoke.texi (-fsquangle): Remove documentation.
9426 (-fname-mangling-version): Likewise.
9428 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
9430 * optabs.c (expand_abs): Remove reference to
9431 HAVE_contitional_arithmetic.
9432 * combine.c (simplify_set): Likewise.
9434 2001-02-18 Richard Henderson <rth@redhat.com>
9436 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
9439 2001-02-18 Richard Henderson <rth@redhat.com>
9441 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
9443 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
9445 * reload1.c (reload_cse_simplify_set): Fix typo.
9447 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9449 * diagnostic.c (_fatal_insn): Decrement errorcount.
9451 * invoke.texi (-I): Add note avoiding use for system header files.
9453 * rtl.h (add_clobbers): Remove duplicate declaration.
9454 * recog.h (added_clobbers_hard_reg_p): New declaration.
9455 * genemit.c (struct clobber_pat): New field has_hard_reg.
9456 (gen_insn): Record if added clobbers clobber hard reg.
9457 (gen_split): Avoid unused warning if number of operands is 0.
9458 (output_added_clobbers_hard_reg_p): New function.
9461 2001-02-18 Alan Modra <alan@linuxcare.com.au>
9463 * pa.c (hppa_expand_prologue): Simplify code storing return
9464 pointer. For large (>=8k) frames with a post_store, adjust stack
9465 pointer by 8k-64 first rather than by 64. When testing with
9466 VAL_14_BITS_P, always use the actual value rather than the value
9467 negated. Add blockage to prevent scheduling of spills before
9468 stack frame has been created.
9469 (hppa_expand_epilogue): Simplify code loading return pointer.
9470 Allow a slightly larger range for merge_sp_adjust_with_load case.
9471 When testing with VAL_14_BITS_P, always use the actual value.
9473 * pa.c (pa_adjust_insn_length): Check that block move
9474 pattern is a set before looking at operands.
9476 2001-02-17 Mark Mitchell <mark@codesourcery.com>
9478 * fold-const.c (fold_binary_op_with_conditional_arg): New
9479 function, split out from ...
9481 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
9482 conditional arms that throw exceptions.
9484 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
9487 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9489 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
9490 define HAVE_DECL_* to 1 to mask potential backup declarations.
9491 * configure: Regenerated.
9493 2001-02-17 Mark Mitchell <mark@codesourcery.com>
9495 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
9497 2001-02-17 Richard Henderson <rth@redhat.com>
9499 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
9500 when replacing a memory load with a register.
9502 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9503 Jan Hubicka <jh@suse.cz>
9505 * recog.c (validate_replace_src_1): New.
9506 (validate_replace_src_data): Likewise.
9507 (validate_replace_src): Use note_uses.
9508 * rtl.h (note_uses): Declare.
9509 * rtlanal.c (note_uses): New.
9511 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
9513 * reg-stack.c (stack_def): Make field reg unsigned.
9514 (remove_regno_note): Unsignetize parameter.
9516 2001-02-16 Jes Sorensen <jes@linuxcare.com>
9518 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
9519 shladd_operand() call.
9521 2001-02-16 Bruce Korb <bkorb@gnu.org>
9522 Rodney Brown <RodneyBrown@mynd.com>
9524 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
9525 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
9526 machine restrictions
9527 * fixinc/fixincl.x: regen
9529 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9531 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
9533 (hash_scan_insn): Clean up calls to hash_scan_set.
9534 (compute_kill_rd): REGNO now unsigned.
9535 (try_replace_reg): Rework to use simplify_replace_rtx.
9536 (cprop_jump, cprop_cc0_jump): Likewise.
9537 (cprop_insn): Call find_reg_equal_equiv_note.
9538 Reflect changes to cprop_jump and cprop_cc0_jump.
9540 * recog.c (validate_replace_src): Replace in operands of
9541 ZERO_EXTRACT in SET_DEST.
9543 * cse.c (new_label_ref): New variable.
9544 (insert): Set it instead of recorded_label_ref.
9545 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
9546 CODE_LABEL for this function, and not already in REG_LABEL note.
9548 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
9550 * resource.c (mark_referenced_resources): Fix typo in introductory
9552 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
9555 2001-02-16 Jason Merrill <jason@redhat.com>
9557 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
9559 (gen_subprogram_die): Don't abort on seeing a second definition if
9560 the previous one was abstract. Don't replace an abstract instance
9561 in the lookup table.
9563 * dwarf2out.c (dwarf2out_abstract_function): Rename from
9564 gen_abstract_function.
9565 * dwarf2out.h: Declare it.
9566 * toplev.c (note_outlining_of_inline_function): New fn.
9567 * toplev.h: Declare it.
9568 * integrate.c (output_inline_function): Call it.
9569 * c-decl.c (duplicate_decls): Call it when redefining an extern
9570 inline. Don't inline the new defn.
9572 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
9574 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9576 * .gdbinit: Rename to gdbinit.in.
9577 * gdbinit.in: New file,
9578 * configure.in: Generate .gdbinit from gdbinit.in.
9579 * configure: Regenerated.
9580 * Makefile.in (distclean): Always remove .gdbinit.
9582 2001-02-16 Jakub Jelinek <jakub@redhat.com>
9584 * objc/objc-act.c (start_class): Register implemented_classes with
9587 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
9589 * cppfiles.c (_cpp_make_system_header): Generate a file
9592 2001-02-15 Jim Meyering <meyering@lucent.com>
9594 * Makefile.in (install-common): Don't depend on installdirs here.
9595 Instead, make each of the lang.install-common targets (e.g.,
9596 c++.install-common in cp/Make-lang.in) depend on it.
9597 (install-driver): Depend on installdirs.
9599 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9601 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
9603 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
9606 2001-02-15 Mark Mitchell <mark@codesourcery.com>
9608 * invoke.texi (--param): Document.
9610 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
9612 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
9614 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
9616 * i386.md (extendsfdf2_2): Fix constraints.
9618 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
9620 * i386.md (fop_df_3 splitter): Fix operand number.
9622 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
9624 * invoke.texi (-mreg-alloc): Nuke.
9625 * i386.c (ix86_reg_alloc_order, regs_allocated,
9626 order_regs_for_local_alloc): Nuke.
9627 (override_options): Kill reg_alloc code.
9628 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
9629 (REG_ALLOC_ORDER): SSE goes before I387.
9630 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
9631 (ix86_reg_alloc_order): Likewise.
9632 * i386-protos.h (ix86_reg_alloc_order): Kill.
9634 2001-02-14 Richard Henderson <rth@redhat.com>
9636 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
9638 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
9640 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
9642 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
9644 * i386-protos.h (ix86_memory_move_cost): Move offline.
9645 * i386.c (ix86_register_move_cost): Compute properly cost of
9646 SSE, MMX and i387 instructions.
9647 (*_cost): Add costs of SSE/MMX moves.
9648 (ix86_memory_move_cost): Move offline from ....; Likewise.
9649 * i386.h (MEMORY_MOVE_COST): .... here;
9650 (struct processor costs): Add new fields to represent costs
9653 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
9655 * regclass.c (init_reg_sets_1): Reinstall the optimization of
9656 move_cost together with Matt Kraai's fix.
9658 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
9660 * Makefile.in (OBJS): Add params.o.
9662 2001-02-14 Richard Henderson <rth@redhat.com>
9663 DJ Delorie <dj@redhat.com>
9665 * jump.c (jump_optimize_1): When we delete a conditional jump
9666 preceeding a non-conditional jump to effectively the same place,
9667 make sure that the combined jump skips any clobber insns between
9670 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
9672 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
9674 2001-02-14 Mark Mitchell <mark@codesourcery.com>
9676 * Makefile.in (toplev.o): Depend on params.h.
9677 (intergate.o): Likewise.
9678 (params.o): New target.
9679 * flags.h (inline_max_insns): Remove.
9680 * integrate.c: Include params.h.
9681 Use MAX_INLINE_INSNS instead of inline_max_insns.
9682 * params.c: New file.
9683 * params.h: Likewise.
9684 * params.def: Likewise.
9685 * toplev.c: Include params.h.
9686 (lang_independent_params): New variable.
9687 (decode_f_option): Use the param machinery instead of setting
9689 (independent_decode_option): Handle "--param name=value".
9690 (main): Register language-independent parameters.
9692 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
9694 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
9696 2001-02-14 Richard Henderson <rth@redhat.com>
9698 * regclass.c (init_reg_sets_1): Revert last two changes.
9700 2001-02-14 Jakub Jelinek <jakub@redhat.com>
9702 * stor-layout.c (is_pending_size, put_pending_size): New functions.
9703 (variable_size): Call put_pending_size.
9704 * tree.h (is_pending_size, put_pending_size): Add prototypes.
9705 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
9706 sizes list, put newly created SAVE_EXPR there as well.
9708 2001-02-14 Jakub Jelinek <jakub@redhat.com>
9710 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
9711 (errata_find_address_regs): load_group has only 2 entries.
9712 (errata_emit_nops): Likewise. shladd is not problematic.
9713 Clear last_group if nop was emitted.
9714 (fixup_errata): load_group has only 2 entries.
9717 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
9719 * c-lex.c (lex_number): Only warn traditionally for U suffix
9720 outside system macros.
9721 * cppexp.c (parse_number): Similarly.
9722 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
9723 * cppmacro.c (struct cpp_macro): New member node.
9724 (parse_args): Only warn about missing rest args if not
9726 (funlike_invocation_p): Similarly for uninvoked funlike macros.
9727 (cpp_sys_objmacro_p): New.
9728 (_cpp_create_definition): Store the node with the macro defn.
9729 Remember if the macro is defined in a system header.
9731 2001-02-13 DJ Delorie <dj@redhat.com>
9733 * configure.in (check_languages): determine languages to check
9734 * Makefile.in (check-c++): alias for check-g++
9735 (check-f77): alias for check-g77
9736 (CHECK_TARGETS): depend on configured languages
9738 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
9740 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
9741 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
9742 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
9743 (sqrtextendsfdf2): Disable for SSE2.
9745 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
9747 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
9748 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
9749 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
9750 (sqrtextendsfdf2): Disable for SSE2.
9752 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
9754 * i386.md (movsfcc_1): Support integer cmove instruction.
9755 (movdfcc_1): Likewise; new splitter.
9757 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
9759 * i386.c (output_fp_compare): Support SSE.
9760 (prepare_fp_compare_args): SSE comparisons always support memory.
9761 * i386.h (TARGET_CMOVE): SSE imply cmove.
9762 * i386.md (cmp?f2): Enable for SSE too.
9763 (cmpfp_i*): Support SSE.
9765 (cmpfp_i_sse_only): New.
9766 (s*, b* fp expanters): Enable for SSE too.
9767 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
9770 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
9772 * regclass.c (init_reg_sets_1): Silence warning.
9774 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
9776 * i386.md (sqrt?f2): Change to expander.
9777 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
9779 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9781 * rtlanal.c (find_reg_equal_equiv_note): New function.
9782 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
9783 (simplify_gen_relational, simplify_replace_rtx): Likewise.
9784 * rtl.h: Add declarations for above functions.
9786 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
9788 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
9790 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
9791 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
9792 * flow.c (mark_regs_live_at_end): Likewise.
9793 (calculate_global_regs_live): Likewise.
9794 * gcse.c (compute_hash_table): Likewise.
9795 (compute_kill_rd): Likewise.
9796 * resource.c (mark_target_live_regs): Likewise.
9797 * rtl.h (INVALID_REGNUM): New macro.
9799 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
9801 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
9803 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
9805 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
9808 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
9810 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
9812 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
9813 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
9814 (fop_sf_1_sse, fop_df_1_sse): New patterns
9815 (fop_*): Disable float_extend and float patterns for SSE compilation.
9816 * i386.c (output_387_binary_op): Support SSE.
9818 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
9820 * i386.md (dummy_extendsfdf2): Support SSE2
9821 (extendsfdf2): Enable if 80387 or SSE2.
9822 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
9823 and no MIX_I387_SSE2
9824 (extendsfdf2_1_sse_only): New pattern.
9825 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
9827 (truncdfsf2_1): Support SSE.
9828 (truncdfsf2_2): Support SSE.
9829 (truncdfsf2_2_1_sse): New pattern.
9830 (fixtruncsfsi2): Always use SSE if available.
9831 (fix_truncsfsi_sse): New pattern.
9832 (fix_truncdfsi_sse): New pattern.
9833 (floatsis?f2): Support SSE.
9834 (floatsidf2_i387): New pattern.
9835 (floatsidf2_sse): Likewise.
9837 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9839 * configure.in: Use "have_gnat" variable, not "gnat".
9840 * configure: Regenerated.
9842 * config/sparc/sparc.c (function_value): Treat all non-record
9843 aggregate types like used to treat UNION_TYPE.
9845 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
9847 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
9848 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
9850 (MASK_MIX_SSE_I387): New.
9851 (TARGET_SSE): SSE2 imply SSE.
9852 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
9853 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
9854 (enum reg_class): Add new classes.
9855 (REG_CLASS_NAMES): Likewise.
9856 (REG_CLASS_CONTENTS): Likewise.
9857 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
9858 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
9859 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
9860 (CLASS_MAX_NREGS): Use new macros.
9861 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
9862 * i386.md (pushsf, movsf): Support SSE.
9863 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
9864 splitters to use ANY_FP_REGNO_P.
9865 (movdf_nointeger, movdf_integer): Likewise.
9867 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
9869 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
9870 (try_combine): Use it.
9872 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
9874 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
9875 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
9876 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
9877 (REGISTER_MOVE_COST): Likewise.
9878 * i386-protos.h (ix86_secondary_memory_needed,
9879 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
9880 * i386.c (ix86_secondary_memory_needed,
9881 ix86_preferred_reload_class, ix86_register_move_cost): New function.
9883 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
9885 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
9886 (HARD_REGNO_MODE_OK): Move offline to ....
9887 * i386.c (ix86_hard_regno_mode_ok) ... here;
9888 refuse all incorrect modes.
9889 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
9891 2001-02-13 Richard Henderson <rth@redhat.com>
9893 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
9894 entire operator; replicate that and match_dup the operands.
9895 (cmp_ccx_arith_op_set): Likewise.
9896 (cmp_cc_arith_op_not_set): Likewise.
9897 (cmp_ccx_arith_op_not_set): Likewise.
9899 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
9901 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
9903 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
9905 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
9906 (TARGET_NO_BITFIELD_WORD): New macro.
9907 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
9908 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
9910 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9912 * cselib.c: New file, from simplify-rtx.c.
9913 * simplify-rtx.c: Remove cselib parts.
9914 * Makefile.in: Add cselib.o.
9916 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
9918 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
9919 (setup_incoming_varargs): Remove warning.
9921 * config/rs6000/rs6000.c (validate_condition_mode): When
9922 flag_fast_math, allow floating-point conditionals to be reversed.
9923 (rs6000_generate_compare): When flag_fast_math, don't generate
9924 cror operations for FP conditionals.
9926 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
9928 (ASM_SPEC): Likewise.
9929 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
9930 (CC1_SPEC): Likewise.
9931 (LINK_TARGET_SPEC): Likewise.
9932 (CPP_ENDIAN_SPEC): Likewise.
9933 * Makefile.in (check-consistency): New target.
9935 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
9937 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
9938 "return type defaults" warning for functions with return type
9940 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
9941 function declarations by default rather than only when pedantic.
9943 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
9945 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
9948 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
9950 * extend.texi (Deprecated): Deprecate new initializer lists.
9952 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
9954 * mkdeps.c (deps_add_default_target): Robustify. Add
9955 basename component only.
9956 * cpp.texi (-M): Describe how default target is generated.
9957 * invoke.texi (-M): Likewise.
9959 2001-02-12 Kazu Hirata <kazu@hxi.com>
9961 * toplev.c (push_float_handler): Remove.
9962 (pop_float_handler): Remove.
9963 * toplev.h: Remove prototypes for the above functions.
9965 2001-02-12 Jakub Jelinek <jakub@redhat.com>
9967 * c-common.c (constant_fits_type_p): New function.
9968 (convert_and_check): Use it.
9970 2001-02-11 Mark Mitchell <mark@codesourcery.com>
9972 * Makefile.in (GXX_ABI_FLAG): Don't define.
9973 * configure.in (--enable-new-gxx-abi): Remove option.
9974 * config.in: Regenerated.
9975 * configure: Likewise.
9977 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
9979 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
9981 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
9982 regular basic block, and arrange for all edges into it to switch
9985 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9987 * Makefile.in (distclean): Do not remove .gdbinit.
9989 2001-02-11 Mark Mitchell <mark@codesourcery.com>
9991 * Makefile.in (gcc.o): Fix typos.
9992 (protize.o): Likewise.
9993 (unprotoize.o): Likewise.
9995 2001-02-11 Richard Henderson <rth@redhat.com>
9997 * tree.c (build1): Check for null operand in last change.
9999 2001-02-11 Richard Henderson <rth@redhat.com>
10001 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
10002 (fold): Don't assume a constant isn't foldable.
10003 * tree.c (build): Set TREE_CONSTANT for an expression with no
10004 side-effects and constant operands.
10005 (build1): Likewise.
10007 2001-02-10 Richard Henderson <rth@redhat.com>
10009 * jump.c (squeeze_notes): Revert 2000-05-12 change.
10011 2001-02-10 Anthony Green <green@redhat.com>
10013 * cpp.texi (Standard Predefined): Add documentation for
10016 * c-common.c (combine_strings): Improve warning message.
10018 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
10020 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
10022 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
10024 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
10026 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
10029 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
10031 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
10034 2001-02-09 Nick Clifton <nickc@redhat.com>
10036 * config/arm/arm.md: Change output contraint on post inc
10037 load/store multiple patterns to be a read/write contraint.
10039 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
10041 * gcc.c (cpp_options): Delete .d files on error. Don't delete
10042 .o files when using the -M options.
10044 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10045 David Edelsohn <edelsohn@gnu.org>
10047 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
10048 handle DImode constants. Use one TOC entry for SImode and smaller
10049 constants, aligned properly.
10051 2001-02-08 Jason Merrill <jason@redhat.com>
10053 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
10054 about the SP adjustment for saving the static chain pointer.
10055 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
10056 offset when setting a temporary CFA register.
10058 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
10060 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
10061 powerpc-*-chorusos* .
10062 * config/rs6000/chorus.h : New file.
10063 * config/i386/chorus.h : New file.
10064 * config/sparc/chorus.h : New file.
10065 * config/sparc/t-chorus-elf : New file.
10067 2001-02-08 David Edelsohn <edelsohn@gnu.org>
10069 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
10070 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
10071 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
10072 (__WCHAR_TYPE__): Correct macro name.
10074 2001-02-08 Richard Henderson <rth@redhat.com>
10076 * config/i386/i386.c (ix86_frame_pointer_required): New.
10077 (ix86_setup_frame_addresses): New.
10078 (struct machine_funciton): Add accesses_prev_frame.
10079 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
10080 ix86_frame_pointer_required.
10081 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
10082 (SETUP_FRAME_ADDRESSES): New.
10083 * config/i386/i386-protos.h: Update.
10084 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
10085 from FRAME_POINTER_REQUIRED.
10086 * config/i386/svr3gas.h: Likewise.
10087 * config/i386/sysv3.h: Likewise.
10088 * config/i386/v3gas.h: Likewise.
10090 2001-02-08 Richard Henderson <rth@redhat.com>
10092 * config/sparc/sparc.c (function_arg_record_value_3): Fix
10093 calculation of the number of integer registers required.
10094 (function_arg_record_value): Likewise.
10096 2001-02-08 Jason Merrill <jason@redhat.com>
10098 * diagnostic.c (internal_error): Say "confused" after 1 error, not
10099 two. Print file and line with "confused" message.
10101 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
10103 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10105 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
10107 2001-02-08 Bernd Schmidt <bernds@redhat.com>
10109 * final.c (cleanup_subreg_operands): The address of a MEM can
10112 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
10115 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
10117 * gcc.texi (Incompatibilities): Update documentation of
10118 preprocessing numbers.
10120 2001-02-07 Jakub Jelinek <jakub@redhat.com>
10122 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
10124 2001-02-07 Mark Mitchell <mark@codesourcery.com>
10126 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
10128 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
10129 * gcc.c (struct compiler): Add cpp_spec field.
10130 (input_file_compiler): New variable.
10131 (do_spec_1): Allow a particular compiler to handle `%C'
10133 (main): Store the current compiler in input_file_compiler.
10134 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
10136 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
10138 * cpphash.h (struct spec_nodes): Add n_true and n_false.
10139 * cppinit.c (cpp_create_reader): Initialize them.
10140 (append_include_chain): cxx_aware arg might be unused.
10141 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
10142 keywords and give them their phase 7 meaning. Pedwarn about
10143 this unless '__bool_true_false_are_defined' is defined.
10145 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
10147 * lcm.c (optimize_mode_switching): Emit mode_set before the
10148 JUMP_INSN of an abnormal edge.
10150 2001-02-07 Bernd Schmidt <bernds@redhat.com>
10152 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
10153 a scheduling barrier at the end.
10155 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
10157 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
10159 * config/sh/sh.md (reload_outsf): Removed.
10160 (movsf_ie): Introduce constraints for FPUL loads and stores.
10161 (reload_insf): Broaden the output constraint.
10163 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
10165 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
10166 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
10168 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
10170 * final.c: Revert my previous changes.
10171 * output.h: Make profile_label_no extern.
10172 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
10173 for generating label.
10175 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
10177 * config/i386/djgpp.h: Add comments about standard paths.
10178 (MD_EXEC_PREFIX): Undefine before defining.
10179 (MD_STARTFILE_PREFIX): New.
10181 2001-01-30 Bruce Korb <bkorb@gnu.org>
10183 fixinc/fixincl.c(process): Emit error message only if appropriate :)
10184 (load_file): do not rely on load_file_data() to close file pointer
10185 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
10186 fixinc/inclhack.def(irix_limits_const): add test_text
10188 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
10190 * cppexp.c (parse_defined): Improve diagnostics for invalid
10193 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
10195 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
10197 2001-02-06 Mark Mitchell <mark@codesourcery.com>
10199 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
10200 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
10201 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
10202 (rs6000_output_symbol_ref): New function.
10203 (output_toc): Use VTABLE_NAME_P.
10205 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10207 * print-tree.c (print_node, case PARM_DECL):
10208 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
10210 * stor-layout.c (reference_types_internal): New variable.
10211 (internal_reference_types): New function.
10212 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
10213 * tree.h (internal_reference_types): New declaration.
10215 * cse.c (find_best_addr): Fix typo in computing cost.
10217 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10219 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
10220 and this is the sum of a pointer and a constant, we know the result
10222 (num_sign_bit_copies, case PLUS): Likewise.
10223 * explow.c (convert_memory_address): Remove opposite SUBREG.
10224 * function.c (instantiate_new_reg): New function (from common code).
10225 (instantiate_virtual_regs_1): Call it.
10226 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
10227 if pointers sign- or zero-extend.
10228 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
10229 If pointers extend unsigned, use inside of SUBREG.
10230 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
10232 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
10234 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
10235 subdir of gcc_gxx_include_dir.
10236 (gcc_gxx_target_include_dir): Remove.
10238 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
10240 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
10241 (dwarf2out_frame_debug_expr): Revise introductory comments to add
10242 a high-level description.
10244 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
10246 * final.c: Move the declaration of profile_label_no to ...
10247 * output.h: ... here.
10248 * function.c (expand_function_start): Call PROFILE_HOOK.
10249 * config/rs6000/aix.h: Define PROFILE_HOOK.
10250 * config/rs6000/rs6000-protos.h: output_profile_hook new.
10251 * config/rs6000/rs6000.c (output_profile_hook): Define.
10252 (output_prolog): Do nothing for ABI_AIX as it is taken care by
10253 output_profile_hook.
10254 tm.texi : Explain new macro PROFILE_HOOK.
10256 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
10258 * extend.texi (Extended Asm): Do not say that semicolon is always
10259 a valid line-breaking character for GNU assemblers. Use
10260 newline-tab as the most commonly supported syntax. Use
10261 newline-tab rather than semicolon in multi-insn examples.
10263 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10265 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
10267 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10268 David Edelsohn <edelsohn@gnu.org>
10270 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
10271 code for AIX, even without flag_pic.
10273 2001-02-05 Jakub Jelinek <jakub@redhat.com>
10275 * c-typeck.c (common_type): push and pop binding level around
10276 calling common_type on function parameters.
10278 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
10280 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
10282 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10284 * config/mips/mips.c (override_options): Fix typo in last change.
10285 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
10286 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
10288 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
10290 * invoke.texi (-fdump-class-layout): Document.
10291 (-fdump-translation-unit): Use `=' as filename separator.
10293 2001-02-05 Mark Mitchell <mark@codesourcery.com>
10295 * Makefile.in (s-mlib): Don't build multilibs if
10296 --disable-multilib.
10297 (DRIVER_DEFINES): Adjust accordingly.
10299 (protoize.o): Likewise.
10300 (unprotoize.o): Likewise.
10301 * configure.in: Recognize --enable-multilib.
10303 2001-02-04 Mark Mitchell <mark@codesourcery.com>
10305 * Makefile.in (DRIVER_DEFINES): Fix quoting.
10307 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
10308 * configure.in: Remove --enable-libstdcxx_v3 support.
10309 * configure: Regenerated.
10311 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10313 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
10314 Call abort instead of fatal.
10315 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
10316 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
10317 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
10318 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
10319 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
10320 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
10322 * diagnostic.h (set_internal_error_function): Renamed.
10323 * toplev.h (internal_error): Renamed from fatal.
10324 (pfatal_with_name): Deleted.
10325 (fatal_io_error): Now has printf-style arguments.
10326 * diagnostic.c (pfatal_with_name): Deleted.
10327 (fatal_io_error): Rework to have args in printf-style.
10328 (set_internal_error_function): Renamed from set_fatal_function.
10329 (internal_error): Renamed from fatal.
10330 (error_recursion, fancy_abort): Call internal_error instead of fatal.
10331 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
10332 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
10333 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
10334 * flow.c (verify_flow_info): Likewise.
10335 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
10336 * config/mips/mips.c (save_restore_insns): Likewise.
10338 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
10339 * flow.c (verify_flow_info): Likewise.
10340 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
10341 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
10342 (avr_normalize_condition): Likewise.
10343 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
10344 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
10345 (limit_reload_class, double_reg_to_memory): Likewise.
10346 (print_operand_address, emit_1600_code_shift): Likewise.
10347 (gen_tst_reg, gen_compare_reg): Likewise.
10348 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
10349 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
10351 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
10353 * c-parse.in (methoddef): Call fatal_error instead of fatal.
10354 * objc/objc-act.c (build_ivar_chain): Likewise.
10355 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
10357 * graph.c (clean_graph_dump_file): Likewise.
10358 * profile.c (init_branch_prob): Likewise.
10359 * objc/objc-act.c (objc_init): Likewise.
10361 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
10362 * config/avr/avr.c (avr_override_options): Likewise.
10363 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
10364 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
10365 * config/h8300/h8300.c (h8300_init_once): Likewise.
10366 * config/mips/mips.c (override_options): Likewise.
10367 * config/i386/i386.c (override_options): Likewise, rework.
10368 * config/m68k/m68k.c (override_options): Likewise.
10370 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
10372 * config/mips/mips.c (print_operand): Likewise.
10373 * hash.c (hash_allocate): Don't check for failure returns from
10374 obstack functions that can't fail.
10375 (hash_table_init_n, hash_table_init): Likewise; also now return void.
10376 * hash.h (hash_table_init_n, hash_table_init): Now return void.
10377 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
10378 (get_object_reference): Likewise.
10380 2001-02-04 Nick Clifton <nickc@redhat.com>
10382 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
10383 StrongARM1110, 10TDMI, and 1020T.
10385 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10387 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
10389 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
10391 * config/sh/sh.md (movdf load split): Pass register number to
10392 FP_OR_XD_REGISTER_P.
10394 2001-02-04 Mark Mitchell <mark@codesourcery.com>
10396 * cppinit.c (BC): New macro.
10397 (builtin_array): Add __GXX_WEAK__.
10398 * cpplib.h (builtin_type): Add BT_WEAK.
10399 * cppmacro.c (builtin_macro): Handle BT_WEAK.
10400 * defaults.h (SUPPORTS_ONE_ONLY): Define.
10401 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
10403 2001-02-03 Jakub Jelinek <jakub@redhat.com>
10405 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
10407 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
10409 * cpphash.h: Rename _ALIGN POOL_ALIGN.
10410 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
10412 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
10414 * cpphash.h: Rename ALIGN _ALIGN.
10415 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
10417 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
10419 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
10420 compilation environment.
10421 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
10422 control over location of cygwin includes and libs.
10424 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
10426 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
10428 2001-02-02 lars brinkhoff <lars@nocrew.org>
10430 * md.texi (Standard Names): remove reference to spur.md.
10432 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
10434 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
10435 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
10436 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
10437 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
10438 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
10440 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10442 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
10443 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
10444 number before reload.
10445 (c4x_adjust_cost): Return zero before reload.
10446 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
10447 split before reload.
10449 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10451 * c4x.c (c4x_hard_regno_rename_ok): New.
10452 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
10453 * c4x.h (HARD_REGNO_RENAME_OK): Define.
10455 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10457 * diagnostic.h: Add missing "extern" in all declarations.
10459 2001-02-02 Alex Samuel <samuel@codesourcery.com>
10461 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
10462 as for gcc_gxx_include_dir.
10464 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
10466 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
10468 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
10470 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
10471 label before alignment to be used as the braf base address.
10472 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
10474 (casesi_jump_2): Require at least TARGET_SH2.
10476 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
10477 truncation to 32-bit doubles on -m3e and -m4-single-only.
10479 2001-02-02 Mark Mitchell <mark@codesourcery.com>
10481 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
10482 the default when building a shared object.
10483 (init_spec): Use it.
10484 * testsuite/lib/g++.exp: Include the directory where libgcc
10485 is located to the LD_LIBRARY_PATH list.
10486 * invoke.texi (-shared-libgcc): Document the cases in which
10487 GCC defaults to using the shared libgcc.
10489 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
10491 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
10492 unsigned is wide enough.
10493 (BITS_PER_SI): New.
10494 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
10495 (si_to_float): Likewise.
10496 (float_to_si, float_to_usi): Use BITS_PER_SI.
10498 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
10500 * dwarf2out.c: Added explanation of abbreviations.
10501 (def_cfa_1): Added comments listing DWARF2 instructions.
10502 (cfa_temp_reg): Removed in favor of cfa_temp.
10503 (cfa_temp_value): Removed in favor of cfa_temp.
10504 (cfa_temp): New global variable.
10505 (dwarf2out_frame_debug_expr): Added extensive introductory
10506 comments explaining the function's transformations. Revised to
10507 use cfa_temp. Added some rtx checking. Generalize IOR case.
10508 (dwarf2out_frame_debug): Revised to use cfa_temp.
10509 (output_aranges): Cast as "unsigned" to avoid warning.
10510 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
10511 explain which instructions must be marked.
10513 2001-02-01 Richard Henderson <rth@redhat.com>
10515 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
10518 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
10520 * config/sh/crt1.asm (main_k): Modified so that start calls
10521 ___setup_argv_and_call_main.
10523 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
10525 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
10526 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
10527 and AVOID_LPASTE is cleared on meeting an unescaped newline.
10528 * cppmacro.c (builtin_macro): Set builtin flags here.
10529 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
10530 (replace_args): Clarify intent.
10531 (cpp_get_token): Macro expansion tokens get the saved flags.
10533 * cppmain.c (scan_buffer): Remove now-redundant print.printed
10536 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
10538 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
10541 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10543 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
10544 returns Pmode pseudo, but we need ptr_mode.
10545 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
10546 Remove bogus conversions; use HOST_WIDE_INT for size.
10547 Don't use TARGET if wrong mode.
10549 * config/i386/i386.c (ix86_compute_frame_size): Allow
10550 stack_alignment_needed to be non-default even if size is zero.
10552 2001-01-31 Alan Modra <alan@linuxcare.com.au>
10554 * pa.c (hppa_init_pic_save): New function.
10555 * pa.h (hppa_init_pic_save): Declare.
10556 * pa.md (call, call_value, sibcall, sibcall_value): Use
10557 the above instead of duplicated code.
10559 * pa.c (hppa_encode_label): Correct size of alloca buffer
10560 so we don't overrun it. Correct leading `*' case.
10561 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
10562 need to handle `*@'.
10563 (FUNCTION_NAME_P): Likewise.
10565 2001-01-31 Richard Henderson <rth@redhat.com>
10567 * config.gcc (alpha-osf5): Use float-i128.h.
10569 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
10570 * config/float-i32.h: Likewise.
10571 * config/float-i64.h: Likewise.
10572 * config/float-sh.h: Likewise.
10573 * config/float-sparc.h: Likewise.
10575 2001-01-31 DJ Delorie <dj@redhat.com>
10577 * expmed.c (extract_bit_field): allow non-integral modes if we
10578 want to extract a whole register from itself.
10580 2001-01-31 Jakub Jelinek <jakub@redhat.com>
10582 * c-typeck.c (set_init_index): If first is equal to last, assume as
10583 if it was not a range at all.
10585 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
10587 * config/fp-bit.c: Include tm.h.
10588 (float_to_si): Don't assume SImode is 32-bits wide.
10589 (float_to_usi): Likewise.
10591 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
10593 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
10595 (typename): Call pending_xref_error after parsing typed_typespecs.
10596 * c-decl.c (lookup_tag): Give error immediately rather than
10597 leaving it pending if the tag of the wrong type is in the same
10599 (xref_tag): Don't pedwarn for forward declarations of enum types
10601 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
10604 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
10606 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
10608 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
10610 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
10611 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
10613 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
10615 * cpphash.h (struct cpp_reader): New saved_flags.
10616 * cppmacro.c (cpp_get_token): Use saved_flags to remember
10617 to avoid a paste after a pasted token.
10619 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
10621 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
10622 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
10623 Wtype_MIN instead of LONG_MIN.
10625 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
10627 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
10629 * fixinc/fixincl.x: Regenerated.
10630 * fixinc/inclhack.def (irix_limits_const): New definition to
10631 convert "const" to "__const" in limits.h.
10633 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
10635 * fixinc/genfixes (AG): Fix "autogen4" thinko.
10637 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10639 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
10640 when register dies in the insn.
10642 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
10644 * diagnostic.c (fatal): Fix word wrap.
10646 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
10648 * combine.c (try_combine): Fix SUBREG setting for
10649 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
10651 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10653 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
10656 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
10658 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
10660 * toplev.c (decode_W_option): Update warn_larger_than
10661 unconditionally for each processed switch.
10663 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
10665 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
10667 (hppa_expand_prologue): Delete code to save pic offset table register
10668 in the function prologue.
10669 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
10670 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
10671 table register at the beginning of the function after the prologue.
10673 2001-01-29 lars brinkhoff <lars@nocrew.org>
10675 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
10677 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
10678 Jeff Law <law@redhat.com>
10680 * pa.md (return): Revise comment for trivial return.
10681 (return_internal): Non-trivial return pattern for non-PIC code.
10682 (return_internal_pic): Non-trivial return pattern for PIC code.
10683 It uses the PIC register to ensure it is restored after
10685 (epilogue): Generate appropriate return for PIC and non-PIC code.
10687 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
10689 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
10691 2001-01-29 DJ Delorie <dj@redhat.com>
10693 * combine.c (if_then_else_cond): Pass the correct mode to
10694 operand_subword() for constants.
10696 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
10698 * config/i386/cygwin.h: Add w32api to include search. Search different
10699 directories in a cross-build environment.
10701 2001-11-29 Tim Josling <tej@melbpc.org.au>
10703 * tree.h (TYPE_STUB_DECL): Add documentation.
10705 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
10707 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
10708 (sdbout_field_types): Likwise. Fix use of host_integerp.
10710 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
10712 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
10715 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
10717 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
10718 to use flag_gnu_linker.
10720 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
10722 * cpplib.c (T_BAD_DIRECTIVE): Remove.
10723 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
10725 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
10727 * tree.c, tree.h (build_parse_node): Remove; was identical to
10729 * c-lang.c (start_cdtor), objc/objc-act.c
10730 (build_module_descriptor): Use build_nt instead of
10733 2001-01-29 Jakub Jelinek <jakub@redhat.com>
10735 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
10736 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
10737 not have any upper bits set.
10739 2001-01-29 Phil Edwards <pme@sources.redhat.com>
10741 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
10743 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10745 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
10747 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
10749 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
10750 (integer_minus_one_node): Define.
10752 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
10754 * Makefile.in (bootstrap2-lean): Fix typo.
10756 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
10758 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
10759 : Don't set fe_value.
10760 * cpplib.h (AVOID_LPASTE): New flag.
10761 (struct cpp_hashnode): Remove fe_value.
10762 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
10763 * cppmacro.c (builtin_macro): Don't set flags here.
10764 (replace_args): Set AVOID_LPASTE flag on first token of an
10765 argument, and the token following it.
10766 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
10767 macro expansion, and on the token following it. Do it for
10769 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
10771 2001-01-27 Richard Henderson <rth@redhat.com>
10773 * config/alpha/t-ieee: Remove multilibbing.
10774 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
10776 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10778 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
10780 * Makefile.in: Remove all dependencies on defaults.h.
10781 * builtins.c: Don't include defaults.h.
10782 * c-common.c: Likewise.
10783 * c-decl.c: Likewise.
10784 * c-pragma.c: Likewise.
10785 * c-typeck.c: Likewise.
10786 * combine.c: Likewise.
10787 * i386.c: Likewise.
10788 * frame-ia64.c: Likewise.
10789 * cppexp.c: Likewise.
10790 * crtstuff.c: Likewise.
10791 * dbxout.c: Likewise.
10792 * dwarf2out.c: Likewise.
10793 * dwarfout.c: Likewise.
10794 * emit-rtl.c: Likewise.
10795 * except.c: Likewise.
10796 * expr.c: Likewise.
10797 * final.c: Likewise.
10798 * frame-dwarf2.c: Likewise.
10799 * libgcc2.c: Likewise.
10800 * optabs.c: Likewise.
10801 * profile.c: Likewise.
10802 * sdbout.c: Likewise.
10803 * toplev.c: Likewise.
10804 * tradcif.y: Likewise.
10805 * tree.c: Likewise.
10806 * varasm.c: Likewise.
10808 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10810 * builtins.c (expand_builtin_fputs): Use size_one_node when
10811 transforming into fwrite.
10813 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
10815 * extend.texi (Attribute Syntax): New section.
10817 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
10819 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
10820 they didn't need fixing.
10822 2001-01-27 Janis Johnson <janis@us.ibm.com>
10824 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
10826 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
10827 to remove macro definitions that are duplicated from elfos.h.
10829 2001-01-27 Richard Henderson <rth@redhat.com>
10831 * config/i386/sco5gas.h: Move ...
10832 * config/usegas.h: ... here.
10833 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
10835 2001-01-27 Jakub Jelinek <jakub@redhat.com>
10837 * c-typeck.c (struct constructor_stack): Add range_stack member.
10838 (really_start_incremental_init): Clear it.
10839 (push_init_level): Save constructor_range_stack and clear it if
10840 pushing explicit braces.
10841 (pop_init_level): abort if constructor_range_stack is non-zero at
10842 explicit closing brace. Restore saved constructor_range_stack if
10845 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
10847 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
10848 into register was forced into memory.
10850 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
10852 * Makefile.in: Remove uses of + before $(MAKE).
10854 2001-01-26 Richard Henderson <rth@redhat.com>
10856 * stmt.c (cost_table): Remove.
10857 (COST_TABLE, cost_table_initialized): New.
10858 (estimate_case_costs): Use the later instead of the former.
10859 (balance_case_nodes): Likewise.
10861 2001-01-26 Richard Henderson <rth@redhat.com>
10863 * alias.c (objects_must_conflict_p): Read-only slots may not
10864 conflict despite having the same type.
10866 2001-01-27 Michael Hayes <mhayes@redhat.com>
10868 * loop.c (loop_giv_reduce_benefit): Copy mode size into
10870 (check_ext_dependant_givs): Initialise u_start_val and
10872 (load_mems): Make last_max_reg unsigned.
10873 (try_swap_copy_prop): Use INSN_P and initialise set.
10875 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
10877 * README.AVR : Removed.
10879 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
10881 * pa-64.h (text_section): Remove declaration.
10883 * pa.md (return_internal): Remove mode on PIC register use.
10885 2001-01-25 lars brinkhoff <lars@nocrew.org>
10887 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
10888 ASM_CLOSE_PAREN): fix typos.
10890 2001-01-25 Mark Mitchell <mark@codesourcery.com>
10892 * acconfig.h: Define `const' to the empty string if neither
10893 __STDC__ nor __cplusplus is defined.
10894 * config.in: Regenerated.
10896 2001-01-25 David Edelsohn <edelsohn@gnu.org>
10898 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
10899 * collect2.c (main): Delete importf. Add ".obj" file extension.
10900 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
10901 (aix_std_libs): Add additional AIX libraries to skip.
10902 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
10903 * config/rs6000/aix51.h: New file.
10905 2001-01-25 Michael Hayes <mhayes@redhat.com>
10907 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
10908 (loop_insn_emit_before): No longer static.
10909 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
10910 (loop_givs_rescan, load_mems): Likewise.
10911 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
10912 (maybe_eliminate_biv_1):
10913 (move_movables): Replace emit_call_insn_before with
10914 loop_call_insn_hoist.
10915 * loop.h (loop_insn_emit_before): Add.
10916 * unroll.c (copy_loop_body): Replace emit_insn_before with
10917 loop_insn_emit_before.
10919 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
10921 * diagnostic.c (fatal): Request preprocessed source.
10923 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
10925 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
10926 olddecl has argument types and newdecl has none, use the argument
10927 types from olddecl.
10929 2001-01-24 Ulrich Drepper <drepper@redhat.com>
10931 * dwarf2out.c (prefix_of): New function. Determine longest common
10932 prefix of the two arguments. The units are whole path components.
10933 (output_file_names): When adding a new directory find the one entry
10934 with the longest common prefix already in the list. Artificially
10935 generate entry if there is none for this prefix.
10936 Fix test to check whether the zeroth directory entry is used.
10938 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
10940 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
10941 Changed all callers. Take it into account when deciding if a
10942 previously loaded value matches.
10944 2001-01-24 Richard Henderson <rth@redhat.com>
10946 * reload.c (find_reloads_subreg_address): Fail the substitution
10947 if the resulting address is insufficiently aligned.
10949 2001-01-24 DJ Delorie <dj@redhat.com>
10951 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
10952 check the original operand's mode also.
10953 * simplify-rtx.c (simplify_ternary_operation): Ditto.
10955 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
10957 * c-parse.in (cast_expr): Move compound literals from here ...
10958 (primary): ... to here. Use standard terminology "compound
10959 literal" instead of "constructor expression".
10961 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
10963 * gcc.1, cpp.1: Regenerate.
10965 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
10967 * calls.c (emit_library_call_value_1): Memory slot for
10968 pass-by-reference argument should have the mode of the argument,
10969 not of the pointer to it.
10971 2001-01-24 Tom Tromey <tromey@redhat.com>
10973 * gcc.texi (G++ and GCC): Mention gcj manual.
10974 (Standards): Link to section of manual mentioning gcj/Java
10977 2001-01-24 Jakub Jelinek <jakub@redhat.com>
10979 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
10980 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
10981 * tradcpp.c (main): Add -imacros or -include'd dependencies
10983 * cpp.texi (-M, -MM): Document -M -include behaviour.
10985 2001-01-24 Roger Collins <roger@ProProject.com>
10987 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
10989 2001-01-24 Will Cohen <wcohen@redhat.com>
10991 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
10992 whether registers are 32 bits or 64 bits in size.
10994 2001-01-24 Ben Elliston <bje@redhat.com>
10996 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
10998 2001-01-24 Richard Henderson <rth@redhat.com>
11000 * config/alpha/alpha.md (builtin_longjmp_internal): New.
11001 (builtin_longjmp): Use it instead of emit_indirect_jump.
11003 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
11005 * bb-reorder.c (make_reorder_chain_1): Handle case where
11006 jump edge goes to the same block as the fallthru edge.
11008 2001-01-23 Jim Wilson <wilson@redhat.com>
11010 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
11011 * frame.h (__ia64_personality_v1): Add prototype.
11012 * libgcc2.c (ia64_throw_helper): Change personality declaration to
11013 prototype form. Add void * cast to first argument to personality
11015 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
11016 (asctoe113): Likewise.
11017 * config/ia64/frame-ia64.c: Include eh-common.h.
11018 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
11020 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
11022 (itanium_split_issue): Add prototype.
11023 (gen_nop_type): Ifdef out.
11024 (find_best_packet): Initialize best_packet.
11025 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
11027 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
11028 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
11029 (flushrs): Add explicit stop bit at end.
11030 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
11033 2001-01-23 Chris Demetriou <cgd@broadcom.com>
11035 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
11037 * libgcc2.c (__terminate_func): Make variable static.
11038 (__terminate_set_func): New function to set __terminate_func.
11039 * libgcc2.h (__terminate_func_ptr): New typedef.
11040 (__terminate_set_func): New function.
11042 2001-01-23 Richard Henderson <rth@redhat.com>
11044 * flow.c (init_propagate_block_info): Don't consider unchanging
11045 memories for dead frame store elimination.
11047 2001-01-23 Richard Henderson <rth@redhat.com>
11049 * varasm.c (UNIQUE_SECTION): Move default implementation ...
11050 * defaults.h: ... here.
11052 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11054 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
11056 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
11058 * c-lex.c (lex_charconst): Fix typo: s/p/str.
11060 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11062 * rs6000.h (rs6000_return_addr): Move prototype from here...
11063 * rs6000-protos.h (rs6000_return_addr): ...to here.
11064 (rs6000_init_expanders): Delete prototype.
11066 2001-01-23 Nick Clifton <nickc@redhat.com>
11068 * invoke.texi: Replace , with \, inside @gccoptlist macros.
11069 (Spec Files): Document %B and %j and %. and %v3 and %M and
11070 %{S*&T} spec switches.
11072 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11074 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
11076 2001-01-23 Chris Demetriou <cgd@sibyte.com>
11077 Neil Booth <neil@daikokuya.demon.co.uk>
11079 * cpperror.c: Merge handlers of PEDWARN and WARNING.
11080 Have -Werror make pedantic warnings errors, like the
11083 2001-01-23 Phil Edwards <pme@sources.redhat.com>
11085 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
11087 2001-01-23 Jakub Jelinek <jakub@redhat.com>
11089 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
11090 * integrate.c (expand_inline_function): Initialize them.
11091 (subst_constants): If changing COMPARE so that both its arguments
11092 will be VOIDmode and the comparison mode will be lost, note
11093 compare_mode. Use the recorded compare_mode to optimize
11096 2001-01-23 Jason Merrill <jason@redhat.com>
11098 * dwarf2out.c (new_die): Use xcalloc.
11099 (output_die): Abort rather than emit a local reference to offset 0.
11101 2001-01-17 Andrew Haley <aph@redhat.com>
11103 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
11104 of a saved register; return NULL instead.
11105 (copy_reg): Take a pointer to a source register rather than a
11107 (next_stack_level): Remember the address in the stack frame of all
11109 Use the saved register pointer array as the source of the CFA.
11110 (throw_helper): Rewrite. Unwind once rather than twice and keep
11111 track of saved registers as we go.
11113 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11115 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
11116 * c4x.c (c4x_legitimize_reload_address): Remove.
11117 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
11118 reload address for ldp(k) insn.
11120 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
11122 * pa.md (return_internal): Add a USE of the PIC register to ensure
11123 it is restored after each call.
11124 (return expander): Corresponding changes.
11126 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11128 * rs6000.h (INIT_EXPANDERS): Delete.
11129 (RETURN_ADDR_RTX): Call rs6000_return_addr().
11130 * rs6000.c (rs6000_override_options): Call *_machine_status from
11132 (rs6000_init_expanders): ...instead of here. Delete.
11133 (rs6000_mark_machine_status): New function.
11134 (rs6000_init_machine_status): Use xcalloc.
11135 (rs6000_return_addr): Generate RTX for the return address.
11136 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
11137 (rs6000_stack_info): Use it.
11139 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
11141 * gthr-win32.h: Include errno.h to get a declaration for
11142 EINVAL and _mingw.h if the target is mingw32.
11144 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
11146 * cpp.texi: Correct typos.
11148 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11150 * explow.c (probe_stack_range): Ensure value passed to
11151 stack_check_libfunc is ptr_mode, not Pmode.
11153 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
11155 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
11156 case, don't use operand_subword to calculate a SUBREG that is
11159 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
11161 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11163 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
11164 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
11165 valid. If not replace it by equivalent insns.
11167 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11169 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
11170 contains SYMBOL_REF, LABEL_REF and CONST_INT.
11171 (c4x_U_constraint, symbolic_address_operand): Likewise.
11172 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
11174 (c4x_r11_set_p, c4x_check_laj_p): New functions.
11175 * c4x-protos.h (c4x_check_laj_p): Add prototype.
11176 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
11177 anulling slot because of silicon bug.
11178 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
11180 2001-01-22 Alan Modra <alan@linuxcare.com.au>
11182 * cppexp.c (parse_charconst): Change `mask' type to agree
11185 2001-01-21 Richard Henderson <rth@redhat.com>
11187 * config/i386/i386.c (ix86_asm_file_end): Disable putting
11188 pic_label_name in a linkonce section.
11190 2001-01-17 Philipp Thomas <pthomas@suse.de>
11192 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
11194 * configure: Regenerate.
11196 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
11198 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
11199 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
11201 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
11203 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
11204 If REVERSE nonzero then condition code in X must be reversed.
11205 (encode_section_info): Optimise if/else.
11206 (avr_function_value): Fix formatting.
11208 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
11209 (difficult_branch): Likewise.
11210 (rvbranch): Likewise.
11211 (difficult_rvbranch): Likewise.
11213 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
11215 * config/avr/libgcc.S: Fix comment.
11217 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11219 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
11221 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11223 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
11225 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11227 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
11228 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
11229 * configure, config.in: Regenerate.
11230 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
11231 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
11232 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
11233 (doprint.o): New rule.
11235 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
11237 * c-typeck.c (digest_init): Handle boolean types as scalars.
11239 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11241 * stmt.c (expand_return): Don't return anything if size is zero.
11242 Delete redundant assignment to BYTES.
11243 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
11245 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
11247 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
11248 the same as the default library function names.
11249 * config/avr/avr.md: Document special characters after '%'.
11250 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
11251 knowing which of the call-used registers are really clobbered.
11252 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
11253 New. Both quotient and remainder from one libgcc.S call.
11254 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
11255 clobber as few registers as possible.
11256 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
11258 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
11260 * cppmacro.c (funlike_invocation_p): Don't move back up to the
11261 context of the top of the stack.
11263 2001-01-20 Jakub Jelinek <jakub@redhat.com>
11265 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
11266 (fixup_var_refs_insns): ...here.
11268 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
11270 * function.c (fixup_var_refs_insns): Break up into
11271 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
11272 [loop over entire insn list], and fixup_var_refs_insns_with_hash
11273 [loop over hash table entries].
11274 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
11275 fixup_var_refs_insns_with_hash, to match above changes.
11277 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
11279 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
11280 (libgcc.a): Likewise.
11281 (stmp-multilib): Likewise.
11282 (STAGE2_FLAGS_TO_PASS): Likewise.
11284 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
11286 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
11287 temporary if no_new_pseudos.
11289 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
11291 * cppinternals.texi: Update.
11293 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
11295 * arm.c (arm_init_builtins): Re-enable builtins.
11297 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11299 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
11300 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
11301 element to be null, and always expect an EXPR_LIST.
11302 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
11303 * sched-deps.c (sched_analyze_1): Likewise.
11304 * sched-rgn.c (check_live_1, update_live_1): Likewise.
11306 * regclass.c (max_set_parallel): New variable.
11307 (reg_scan): Take it into account in computation of max_parallel.
11308 (reg_scan_mark_refs, case SET): Compute it.
11310 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
11312 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
11313 * function.c (assign_parms): Use INTVAL for a CONST_INT.
11315 2001-01-19 Jason Merrill <jason@redhat.com>
11317 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
11318 for the abstract instance of an inline function.
11320 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
11321 J"orn Rennecke <amylaar@redhat.com>
11323 * reload1.c (move2add_note_store): Treat all registers directly or
11324 indirectly derived from a base register as members of the same set
11326 (reload_cse_move2add): Adjust accordingly. Take mode and offset
11327 of base register into account.
11329 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
11331 * alias.c (find_base_value): Recognize TRUNCATE.
11332 (record_set): In PLUS case, invalidate if other summand is also a
11335 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11337 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
11338 entry to be EXPR_LIST.
11339 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
11340 be an EXPR_LIST (but not null, which other code doesn't allow).
11341 (note_stores): Properly handle PARALLEL in SET.
11342 Recursively call for top-level PARALLEL.
11343 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
11344 * sched-rgn.c (check_live_1, update_live_1): Likewise.
11346 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
11348 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
11350 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
11351 not pfile->skipping (== 0).
11353 2001-01-17 Nick Clifton <nickc@redhat.com>
11355 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
11358 2001-01-17 Jim Wilson <wilson@redhat.com>
11360 * invoke.texi (IA-64 options): Improve.
11362 2001-01-17 Tom Tromey <tromey@redhat.com>
11364 * invoke.texi (Optimize Options): Use `{}' to around @samp
11367 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
11369 * invoke.texi (-fno-guess-branch-probability): New option.
11371 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11373 * combine.c (try_combine): Don't set i3_subst_into_i2 for
11374 case of making new double-word constant.
11375 Revert last change: instead just test i3_subst_into_i2.
11377 2001-01-17 Jakub Jelinek <jakub@redhat.com>
11379 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
11380 Use q constraints instead of r.
11382 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
11384 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
11385 (machine_function): Define.
11386 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
11387 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
11388 pa_free_machine_status): New functions.
11389 (override_options): Set {init,mark,free}_machine_status to above.
11390 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
11391 PIC_OFFSET_TABLE_REGNUM_SAVED.
11392 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
11393 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
11394 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
11395 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
11396 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
11398 2001-01-15 DJ Delorie <dj@redhat.com>
11400 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
11404 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11406 * flow.c (propagate_one_insn): Make trying to delete a prologue
11407 or epilogue insn an ICE, not a warning. Allow doing this if
11408 the current function returns with stack pointer depressed.
11410 * combine.c (try_combine): If i3_subst_into_i2, properly check for
11411 I3 having more than one SET.
11413 2001-01-16 Jim Wilson <wilson@redhat.com>
11415 * invoke.texi: Document IA-64 options.
11417 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
11418 (fixup_errata): Delete TARGET_A_STEP use.
11419 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
11420 (TARGET_SWITCHES): Delete -ma-step option.
11421 * config/ia64/ia64.md (all FP patterns): Delete %B0.
11422 (movqicc_astep, movqi_internal_astep, movhicc_astep,
11423 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
11424 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
11425 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
11426 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
11428 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
11429 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
11430 cmovsi_internal): Delete ! TARGET_A_STEP check.
11432 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11434 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
11435 possibility to report bugs via postal mail. Change a URL and
11436 merge in a nearly duplicate statement...
11437 (Bug Reporting): ...from here.
11438 (Service): Refer to the Bug Reporting section instead of
11439 duplicating an URL.
11440 (Contributing): Remove trivial explanations concerning snapshots.
11442 2001-01-16 Alan Modra <alan@linuxcare.com.au>
11444 * cppmain.c (general_init): Don't use ANSI prototype.
11446 2001-01-16 Tom Tromey <tromey@redhat.com>
11448 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
11450 2001-01-16 Richard Henderson <rth@redhat.com>
11452 * config/i386/i386.h: Fix comment typo.
11453 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
11454 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
11456 2001-01-16 Phil Edwards <pme@sources.redhat.com>
11458 * gcc.c: Revert previous -fsyntax-only-related change; move
11461 2001-01-16 Jakub Jelinek <jakub@redhat.com>
11463 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
11464 inmode after checking GET_CODE (op).
11466 2001-01-16 Richard Henderson <rth@redhat.com>
11468 * flow.c (struct propagate_block_info): Add mem_set_list_len.
11469 (MAX_MEM_SET_LIST_LEN): New.
11470 (propagate_one_insn): Update mem_set_list_len.
11471 (invalidate_mems_from_autoinc): Likewise.
11472 (invalidate_mems_from_set): Likewise.
11473 (mark_used_regs): Likewise.
11474 (init_propagate_block_info): Likewise. Stop collecting memories
11475 when we reach MAX_MEM_SET_LIST_LEN.
11476 (mark_set_1): Likewise.
11478 2001-01-16 Richard Henderson <rth@redhat.com>
11480 * unroll.c (precondition_loop_p): Fail if no iteration
11483 2001-01-16 Phil Edwards <pme@sources.redhat.com>
11485 * gcc.c: When -fsyntax-only is given, do not complain about
11488 2001-01-15 Richard Henderson <rth@redhat.com>
11490 * config/i386/i386.c (asm_output_function_prefix): Remove.
11491 (ix86_asm_file_end): New.
11492 (load_pic_register): Generate pic_label_name into a
11493 staticly allocated buffer.
11494 * config/i386/i386-protos.h: Update.
11495 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
11496 (ASM_FILE_END): New.
11497 * config/i386/i386afe.h: New file.
11498 * config.gcc (i?86-*-elf) [tm_file]: Use it.
11499 (i?86-*-{freebsd,linux*,moss*}): Likewise.
11500 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
11501 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
11502 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
11503 * config/i386/sco5.h (ASM_FILE_END): Likewise.
11504 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
11506 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
11508 * Makefile.in (install-man): Remove explicit dependency on
11511 * configure.in, configure: Revert previous patch requiring perl
11514 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
11516 * toplev.c (flag_guess_branch_prob): New.
11517 (f_options): Add guess-branch-probability option.
11518 (rest_of_decl_compilation): Only estimate branch probability if
11520 (main): set flag_guess_branch_prob.
11522 * flags.h (flag_guess_branch_prob): New.
11524 2001-01-15 DJ Delorie <dj@redhat.com>
11526 * gcc.texi (Makefile): Add documentation for Makefile targets.
11528 2001-01-15 Philip Blundell <philb@gnu.org>
11530 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
11532 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
11533 (is_pic): Delete declaration.
11534 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
11535 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
11536 * config/arm/arm.md (builtin_setjmp_receiver): New.
11538 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
11540 * arm.c (use_return_insn): Don't try to determine the function type
11541 until after reload has completed.
11542 (arm_output_epilogue): Don't adjust the sp value recovered from the
11544 (emit_multi_reg_push): Don't record dwarf information for the pc.
11545 * arm.md (eh_epilogue): The function type may have changed, so it
11546 needs to be recalculated.
11547 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
11548 unwind tables on arm/netbsd.
11550 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
11552 * arm.md (cbranchsi4): Correct calculation of branch ranges.
11553 (negated_cbranchsi4): Likewise.
11555 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
11557 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
11558 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
11559 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
11560 pass -mapcs-* options to assembler.
11561 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
11562 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
11563 (ASM_SPEC): Call subtarget_extra_asm_spec.
11565 2001-01-15 Andreas Jaeger <aj@suse.de>
11567 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
11569 (ix86_expand_builtin): Likewise.
11571 * gencodes.c (output_predicate_decls): Make i size_t to avoid
11572 warning about comparison between signed and unsigned.
11574 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
11576 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
11578 2001-01-14 Ralf Baechle <ralf@gnu.org>
11580 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
11581 SUBTARGET_CPP_SPEC apropriatly.
11583 2001-01-12 Mark Mitchell <mark@codesourcery.com>
11585 * varasm.c (make_decl_rtl): Fix typo in last change.
11587 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
11589 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
11590 linker supports the init_priority C++ attribute.
11591 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
11592 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
11593 linker does not support init_priority C++ attribute.
11595 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
11597 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
11599 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
11601 * c-parse.in (finish_parse): Add comment about cpp_destroy.
11602 * cp/lex.c (finish_parse): Similarly.
11603 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
11604 Return the number of errors encountered.
11605 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
11606 * cppmain.c (main): Don't call cpp_destroy.
11608 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
11610 * configure.in: Require at least perl 5.6.0 to regenerate
11612 * configure: Regenerate.
11614 2001-01-14 Richard Henderson <rth@redhat.com>
11616 * genrecog.c (DT_veclen_ge): New.
11617 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
11618 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
11619 (nodes_identical_1): Handle DT_veclen_ge.
11620 (write_cond, debug_decision_2): Likewise.
11622 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
11624 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
11626 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
11628 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
11630 * cppmain.c (do_preprocessing): New function; most of the old
11632 (main): Call it to do most of the work.
11633 (cb): Move from global scope to set_callbacks ().
11634 (setup_callbacks): Get the callback pointer.
11635 (general_init, printer_init): Clean up code and comments.
11637 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
11639 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
11642 2001-01-14 Kazu Hirata <kazu@hxi.com>
11644 * config/h8300/h8300.c (get_shift_alg): Update comments.
11646 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11648 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
11649 (alloc_page, ggc_alloc): Add casts to remove warnings.
11651 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
11653 * combine.c (simplify_comparison): Don't change `code' when
11654 can't reverse comparison.
11656 2001-01-14 Richard Henderson <rth@redhat.com>
11658 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
11659 update all call sites. Return true for all non-label constants.
11661 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
11663 * i386.c (ix86_expand_compare): Add bypass_test and second_test
11665 (ix86_expand_branch): Update.
11666 (ix86_expand_setcc): Update to handle multiple test conditions.
11667 (expand_int_movcc): Likewise.
11668 (expand_fp_movcc): Likewise.
11669 * i386-protos.h (ix86_expand_compare): New.
11670 * i386.md (andqi_?_slp, orqi_?_slp): New.
11671 (conditional trap expander): Update call to ix86_expand_compare.
11673 2001-01-14 Richard Henderson <rth@redhat.com>
11675 * config/vax/vax.md: Use nonimmediate_operand instead of
11676 general_operand in destinations.
11678 * config/vax/vax.md (indirect_jump): Use register_operand.
11680 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
11681 * config/vax/vax.md (call_pop): Turn into an expander.
11682 (call_value_pop): Likewise.
11683 (call, call_value): New.
11685 2001-01-14 Andreas Jaeger <aj@suse.de>
11687 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
11689 (ix86_fp_compare_mode): Add unused attribute.
11690 (ix86_expand_fp_movcc): Remove unused variable.
11691 (ix86_expand_builtin): Make fcode unsigned.
11693 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
11694 (expand_expr): Add cast to avoid signed warning.
11695 (store_field): Likewise.
11696 (store_constructor_field): Likewise.
11697 (store_constructor): Likewise.
11698 (store_expr): Likewise.
11699 (clear_storage): Likewise.
11700 (emit_group_store): Likewise.
11701 (emit_group_load): Likewise.
11703 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
11705 * c-common.c: Move format checking code to ...
11706 * c-format.c: ... here. New file. Reorder some functions and
11708 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
11710 * c-common.h (decl_handle_format_attribute,
11711 decl_handle_format_arg_attribute): Declare.
11712 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
11713 (c-common.o): Adjust dependencies.
11714 (c-format.o): New list of dependencies.
11716 2001-01-13 Jakub Jelinek <jakub@redhat.com>
11718 * unroll.c (loop_iterations): If we cannot prove iteration variable
11719 is set once in each iteration, punt.
11721 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
11723 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
11724 (*strlenhi): Remove clobber (which was buggy) of output address.
11726 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
11728 * Makefile.in (generated-manpages): Add gcc.1
11729 ($(srcdir)/gcc.1): New target.
11730 (maintainer-clean): Delete $(srcdir)/gcc.1.
11731 * gcc.texi: Add macros @gccoptlist and @gol.
11732 * invoke.texi: Include option summary in manpage. Mark up option
11733 summary with @gccoptlist and @gol. Use @r in one place where
11735 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
11736 * gcc.1: Generate from invoke.texi.
11738 2001-01-13 Richard Henderson <rth@redhat.com>
11740 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
11741 (struct page_entry): Add group member.
11742 (struct page_group): New.
11743 (struct globals): Add page_groups member.
11744 (alloc_anon): Only define for using mmap; remove valloc call.
11745 (page_group_index): New.
11746 (set_page_group_in_use): New.
11747 (clear_page_group_in_use): New.
11748 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
11749 (free_page, release_pages): Likewise.
11750 * configure.in (with-gc): Default to ggc-page always.
11752 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
11754 * reload1.c (replace_pseudos_in_call_usage): Use
11755 reg_equiv_constant and reg_equiv_address, and don't try
11756 regno_reg_rtx first.
11758 2001-01-13 Richard Henderson <rth@redhat.com>
11760 * ggc-page.c (alloc_page): Round up allocation size to one page.
11761 Set e->order on extra pages.
11763 2001-01-13 Richard Henderson <rth@redhat.com>
11765 * genrecog.c (nodes_identical): Expand commentary.
11766 (write_switch): Watch out for identical nodes.
11768 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11770 * cppfiles.c (_cpp_fake_include): New function.
11771 * cpphash.h (_cpp_fake_include): New.
11772 * cpplib.c (do_line): Call _cpp_fake_include when entering
11773 header files in preprocessed input.
11774 * cppmain.c (cb_pragma_implementation): Remove handling.
11775 (setup_callbacks): Don't register pragmas.
11777 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11779 * extend.texi: Udate for CPP.
11781 2001-01-13 Andreas Jaeger <aj@suse.de>
11783 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
11785 * regmove.c: Add prototype for replace_in_call_usage.
11787 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11789 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
11790 struct cpp_chunk, struct htab, struct toklist,
11791 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
11792 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
11793 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
11794 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
11795 (struct macro_args): Delete.
11796 * cpphash.h: See above.
11798 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11800 * cppmain.c (struct printer): Remove no_line_dirs.
11801 (options, cb): New.
11802 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
11803 : Use options rather than CPP_OPTION.
11804 (setup_callbacks): Use cb rather than pfile->cb.
11805 (main): No need to check for a buffer. Use cpp_errors.
11806 (printer_init): Don't set no_line_dirs.
11807 (maybe_print_line): Use options not no_line_dirs.
11808 (cb_file_change): Don't call print_line if -P.
11810 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11812 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
11814 * c-parse.in (finish_parse): Use cpp_errors.
11815 (__yylex): Use return value of cpp_pop_buffer.
11816 * cp/lex.c (finish_parse): Use cpp_errors.
11817 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
11819 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
11821 * README.AVR: URLs corrected.
11823 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11825 * c-decl.c (start_function): Don't warn if old prototype is builtin
11826 that's not in C's namespace.
11827 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
11828 (_bb): Add prototype for ctime.
11829 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
11831 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
11833 * i386.c (ix86_fp_comparison_arithmetics_cost,
11834 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
11835 ix86_fp_comparison_cost): New functions.
11836 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
11837 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
11838 two-branch sequences; make static.
11839 (ix86_use_fcomi_compare): Do decision according to the costs.
11840 (split_fp_branch): New.
11841 * i386.md (compare-and-branch patterns): Use split_fp_branch.
11842 * i386-protos.h (ix86_expand_fp_compare): Remove
11843 (ix86_split_fp_branch): Declare.
11845 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
11846 and ix86_comparison_operator.
11848 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
11849 to make it cheaper.
11851 * i386.c (put_condition_code): Output properly the unordered/ordered
11852 compares in fp case.
11853 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
11855 * tm.texi (REVERSE_CONDITION): Document.
11856 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
11857 in -ffast-math mode.
11858 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
11860 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
11862 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
11864 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
11867 * config/sh/sh.c (mova_p): Fix test for mova_const.
11869 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11871 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
11872 cpp_get_options rather than dereferencing pfile and using
11874 * scan-decls.c (scan_decls): Use return value of
11875 cpp_pop_buffer rather than CPP_BUFFER.
11877 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11879 * cppinit.c (cpp_handle_option): help_only is now part of the
11880 cpp_options structure.
11881 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
11882 cpp_set_callbacks): New functions.
11883 * cpplib.h (cpp_callbacks): Break out as a named structure.
11884 (cpp_options): Move help_only here from cpp_reader.
11885 (CPP_FATAL_ERRORS): Update to use cpp_errors.
11886 (cpp_errors, cpp_get_options, cpp_get_callbacks,
11887 cpp_set_callbacks): New prototypes.
11888 * cppmain.c (main): Update for help_only.
11890 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
11892 * Makefile.in (info, maintainer-clean, install-info, uninstall):
11893 Also build and remove and install and uninstall c-tree.info and
11895 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
11896 ($(srcdir)/cppinternals.info): New target.
11897 * c-tree.texi: Change file name used when makeinfo used without -o
11898 from ir.info to c-tree.info. Add info directory entry.
11899 * cppinternals.texi: Add info directory entry.
11900 * .cvsignore: Update.
11902 2001-01-12 Jakub Jelinek <jakub@redhat.com>
11904 * c-typeck.c (store_init_value): Don't require constant initializer
11905 elements with -pedantic -std=c99.
11906 (digest_init): Change error about non-constant initializer elements
11908 (constructor_range_end): Remove.
11909 (constructor_incremental, designator_depth,
11910 designator_errorneous): New variables.
11911 (struct constructor_stack): Remove range_end, add incremental.
11912 (struct constructor_range_stack, constructor_range_stack): New.
11913 (struct initializer_stack): Add constructor_range_stack.
11914 (finish_init): Set it.
11915 (start_init): Likewise. require_constant_elements for non-static
11916 trees only if not flag_isoc99.
11917 (really_start_incremental_init): Remove constructor_range_end, add
11918 constructor_incremental.
11919 (pop_init_level): Likewise.
11920 (push_init_level): Likewise. If implicit and the subobject had some
11921 value set already, preinitialize the level with it.
11922 Warn about missing braces only if not pushing due to designators.
11923 (set_designator, push_range_stack): New functions.
11924 (set_init_label): Use them.
11925 (set_init_index): Likewise. Remove constructor_range_end.
11926 Error if designator index is outside of array bounds.
11927 (add_pending_init): Compare values of purpose index trees, not the
11928 trees themselves. Allow overwriting of already initialized element.
11929 Issue a warning if it had side-effects.
11930 (set_nonincremental_init, set_nonincremental_init_from_string): New
11932 (pending_init_member): Rename to...
11933 (find_init_member): ...this function. Call set_nonincremental_init
11934 if necessary. Compare values of purpose index trees, not the trees
11935 themselves. Return the actual value, not just non-zero if something
11937 (output_init_element): Remove checks for duplicates.
11938 If field has zero size, only check the initializer for correctness.
11939 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
11940 if constructor_incremental is zero. Change error about initializers
11941 not computable at load time into pedwarn.
11942 (output_pending_init_elements): Compare bit positions, not
11943 FIELD_DECLs to take into account zero-sized fields.
11944 (process_init_element): Use constructor_range_stack to fill all
11945 ranges in the designator lists from current level up.
11946 * extend.texi: Update documentation for labeled elements.
11948 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
11950 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
11951 to function usage for arguments passed by reference. Optimize
11952 callee-copied arguments.
11953 * regmove.c (replace_in_call_usage): New function.
11954 (fixup_match_1): Call it.
11955 * cse.c (cse_insn): Canonicalize registers in function usage.
11956 * reload1.c (replace_pseudos_in_call_usage): New function.
11959 * Makefile.in: Reverted yesterday's wrong patch. Installed the
11962 2001-01-12 Jakub Jelinek <jakub@redhat.com>
11964 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
11967 2001-01-12 DJ Delorie <dj@redhat.com>
11969 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
11970 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
11973 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
11975 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
11976 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
11977 -std options alongside references to -ansi. Update some
11978 documentation for C99.
11979 * cpp.1: Regenerate.
11981 2001-01-12 Andreas Jaeger <aj@suse.de>
11983 * haifa-sched.c (restore_line_notes): Remove argument block B
11985 * sched-ebb.c (schedule_ebb): Change caller.
11986 * sched-rgn.c (schedule_region): Likewise.
11987 * sched-int.h (restore_line_notes): Adjust prototype.
11989 * loop.h: Remove wrong declaration of doloop_condition_get.
11991 2001-01-12 Phil Edwards <pme@sources.redhat.com>
11993 * extend.texi: Move C++-extension-related node from the C section
11994 into the C++ section.
11996 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
11998 * extend.texi: Refer to an array of pointers to functions instead
11999 of one of functions.
12001 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
12002 Jan Hubicka <jh@suse.cz>
12004 * combine.c (reversed_comparison): Fix typo in last patch.
12006 (combine_reversed_comparison_code): Make static to follow
12007 prototype declaration.
12009 2001-01-12 Phil Edwards <pme@sources.redhat.com>
12011 * install.texi: Remove misplaced duplicate entry.
12013 2001-01-11 Ulrich Drepper <drepper@redhat.com>
12015 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
12017 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
12019 * final.c: (leaf_function_p): Fix typo.
12021 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
12023 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
12024 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
12026 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
12027 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
12028 mmap_anon, and valloc is available.
12029 * ggc-page.c: Restructure ifdef logic to match new autoconf
12030 spec. Don't throw away the test page in init_ggc.
12032 * configure, config.in: Regenerate.
12034 2001-01-12 Michael Hayes <mhayes@redhat.com>
12036 * loop.h (total_biv_increment): Constify iv_class pointer.
12037 (struct induction): Replace `mem_mode' with `mem' rtx.
12038 * unroll.c (total_biv_increment): Constify iv_class pointer.
12039 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
12040 (find_mem_givs, combine_givs_p): Likewise.
12041 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
12043 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
12045 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
12047 (__gthread_getspecific): Ditto.
12049 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
12051 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
12052 put_condition_code): Convert fp comparison codes to integer
12054 (ix86_expand_fp_compare): Postnote the fp comparison code converison
12057 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
12058 * i386-protos.h (no_comparison_operator): Kill.
12060 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
12062 * combine.c (REVERSIBLE_CC_MODE): Remove.
12063 (reversible_comparison_p): Remove.
12064 (combine_reversed_comparison_code): New.
12065 (reversed_comparison): New.
12066 (combine_simplify_rtx): Use
12067 combine_reversed_comparison_code/reversed_comparison instead
12068 of reversible_comparison_p.
12069 (simplify_if_then_else): Likewise.
12070 (simplify_set): Likewise.
12071 (simplify_logical): Likewise.
12072 (if_then_else_cond): Likewise.
12073 (known_cond): Likewise.
12074 (simplify_comparison): Likewise.
12076 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
12078 * builtins.c (std_expand_builtin_va_start): Handle varargs when
12079 sizeof (int) is larger than sizeof(__word__).
12081 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
12083 * cppinit.c (do_includes): Fix typo.
12085 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
12087 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
12088 in S_REGS does not occur because not all sources are possible
12089 when a S_REGS is a destination (sometimes needs a clobber).
12090 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
12091 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
12092 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
12093 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
12094 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
12095 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
12096 (lshrdi_const1, lshrsi3_const16): Likewise.
12097 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
12098 (*movhi_68hc12, *movqi_68hc12): Likewise.
12099 (movstrictqi): Make sure reloading in D_REGS as a destination
12102 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
12104 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
12106 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
12108 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
12109 -D, -U and -A, and don't initialize the builtins.
12110 (do_includes): Error if -include or -imacros with -fpreprocessed.
12111 * cppmain.c (cb_define, cb_undef): Unconditionally process
12113 * tradcpp.c (main): Fix typo.
12115 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
12117 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
12118 (read_name_map): Use IS_ABSOLUTE_PATH.
12119 * tradcpp.c (get_filename): Likewise.
12121 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
12123 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
12124 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
12125 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
12126 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
12127 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
12128 (cmphi_z_used): Don't use '@' for the output.
12129 (tstqi_z_used): Likewise.
12130 (cmpqi_z_used): Likewise.
12131 (one_cmplsi2): Likewise.
12133 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
12135 * config/sh/sh.c (barrier_align): Recognize branch around far
12136 branch and redundant insn.
12138 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
12140 * invoke.texi: Restore documentation of the drivers' switches -MD
12143 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
12145 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
12147 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
12148 check-objc//%): Support parallel testing of multilibs.
12149 (TESTSUITEDIR): Set to testsuite by default, but override for
12151 (check-gcc, check-g++, check-g77, check-objc): Enter
12154 2001-01-11 Bernd Schmidt <bernds@redhat.com>
12156 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
12157 * sched-deps.c (deps_may_trap_p): Likewise.
12158 * basic-block.h: Remove a comment.
12159 * flow.c (PROP_POSTRELOAD): Remove.
12160 (update_life_info): Don't add it to prop_flags.
12161 (mark_set_1): Lose the code that was enabled by it.
12163 2001-01-11 Michael Hayes <mhayes@redhat.com>
12165 * flow.c (flow_call_edges_add): New.
12166 * basic_block.h (flow_call_edges_add): New.
12168 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
12170 * reload1.c (move2add_note_store): Update reg_set_luid even if
12171 base reg remains the same.
12173 2001-01-10 Nick Clifton <nickc@redhat.com>
12175 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
12176 machine_function structure to zero.
12177 Add prototypes for machine_status functions.
12179 2001-01-10 Mark Mitchell <mark@codesourcery.com>
12181 * c-common.h (CTI_VOID_LIST): Remove.
12182 (void_list_node): Likewise.
12183 * tree.h (TI_VOID_LIST_NODE): New enumeral.
12184 (void_list_node): New macro.
12185 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
12186 * config/i386/i386.c (ix86_init_builtins): Likewise.
12187 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
12189 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
12191 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
12192 * cppinit.c (cpp_start_read): Update comment, remove unneeded
12194 * tradcpp.c: Include mkdeps.h.
12195 (deps, print_deps_phony_targets, deps_append, output_deps,
12196 init_dependency_output, output_deps): New.
12197 (deps_buffer, deps_allocated_size, deps_size, deps_column,
12198 deps_output): Delete.
12199 (print_deps_missing_files): Rename deps_missing_files.
12200 (inhibit_output): Make global.
12201 (main): Delete inhibit_output, deps_stream, deps_target.
12202 Use mkdeps functionality in the same way as cpplib. Remove
12203 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
12204 -M and -MM. Remove old handling of deps via deps_out, and
12205 old reading of environment variables.
12206 (get_filename): Update to use deps_add_dep.
12208 2001-01-10 Mark Mitchell <mark@codesourcery.com>
12210 * output.h (make_function_rtl): Remove prototype.
12211 (make_decl_rtl): Likewise.
12212 * varasm.c (make_function_rtl): Remove.
12213 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
12214 than from a third parameter.
12215 * tree.h (make_decl_rtl): Remove last parameter.
12216 * c-decl.c (builtin_function): Remove last argument in call to
12217 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
12218 (start_function): Likewise.
12219 * except.c (call_get_eh_context): Likewise.
12220 * expr.c (emit_block_move): Likewise.
12221 (clear_storage): Likewise.
12222 * profile.c (output_func_start_profiler): Likewise.
12223 * toplev.c (rest_of_decl_compilation): Likewise.
12224 * objc/objc-act.c (create_builtin_decl): Likewise.
12225 (synth_module_prologue): Likewise.
12226 (generate_static_reference): Likewise.
12227 (build_selector_reference_decl): Likewise.
12228 (build_class_reference_decl): Likewise.
12229 (build_objc_string_decl): Likewise.
12230 (build_protocol_reference): Likewise.
12232 2001-01-10 Richard Henderson <rth@redhat.com>
12234 * hwint.h: Revert yesterday's change.
12236 2001-01-10 Nick Clifton <nickc@redhat.com>
12238 * function.h (save_machine_status): Delete.
12239 (restore_machine_status): Delete.
12240 Amend comment describing {init|mark|free}_machine_status.
12242 * function.c (save_machine_status): Delete.
12243 (restore_machine_status): Delete.
12244 Amend comment describing {init|mark|free}_machine_status.
12245 (push_function_context_to): Remove invocation of
12246 save_machine_status.
12247 (pop_function_context_from): Remove invocation of
12248 restore_machine_status.
12250 * emit-rtl.c (init_emit_once): Amend comment describing
12251 {init|mark|free}_machine_status.
12253 * tm.texi (Per-Function Data): New node. Describe the
12254 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
12257 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
12259 * cppinit.c (OPT_g): Remove.
12260 (cpp_handle_option): Update for removed -g3.
12261 (print_help): Update.
12262 * cpplib.h (struct cpp_options): Remove debug_output.
12263 * cppmain.c (setup_callbacks, cb_define): Update.
12264 * gcc.c (cpp_options): Translate -g3 to -dD.
12266 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
12268 * config/i960/i960.md: Change modifier to + on the zero_extract
12269 pattern after the (rotate -2 reg) canonicalization pattern.
12271 2001-01-10 Richard Henderson <rth@redhat.com>
12273 * config/alpha/alpha.c (alpha_free_machine_status): New.
12274 (override_options): Install it.
12275 (alpha_mark_machine_status): Verify machine non-null.
12276 * config/i386/i386.c (ix86_free_machine_status): New.
12277 (override_options): Install it.
12278 (ix86_init_machine_status): Use xcalloc.
12279 (ix86_mark_machine_status): Verify machine non-null.
12280 * config/ia64/ia64.c (ia64_free_machine_status): New.
12281 (ia64_override_options): Install it.
12282 (ia64_mark_machine_status): Verify machine non-null.
12284 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
12286 * function.c (instantiate_virtual_regs): Instantiate virtual
12287 registers found in CALL_INSN_FUNCTION_USAGE.
12289 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
12291 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
12292 equivalent to -ansi in disabling -Di386.
12294 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
12296 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
12298 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
12300 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
12302 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
12304 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
12306 * invoke.texi: Document that -fcond-mismatch isn't supported for
12309 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
12311 * gcc.texi: Define macro gcctabopt.
12312 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
12313 @command, @env and @option in some places where appropriate. Use
12314 @gcctabopt where appropriate. Put URLs and email addresses inside
12317 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
12319 * gcc.c (cpp_options): Set MD file name from output
12320 filename, if specified.
12321 (suffix_subst): New static variable.
12322 (do_spec): Clear it.
12323 (do_spec_1, case '.'): Handle new `%.suffix' spec.
12325 (give_switch): Handle suffix_subst.
12327 2001-01-10 Phil Edwards <pme@sources.redhat.com>
12329 * invoke.texi: Fix another typo.
12331 2001-01-10 Phil Edwards <pme@sources.redhat.com>
12333 * invoke.texi: Fix typo.
12335 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
12337 * c-lang.c (lang_hooks): Update.
12338 (lang_decode_option): Remove.
12339 (lang_init_options): Rename c_init_options.
12340 * toplev.c (main): Use lang_hooks for lang_init_options
12341 and lang_decode_option.
12342 * toplev.h (lang_hooks): Add 2 new hooks.
12343 * tree.h: Remove lang_init_options and lang_decode_option.
12344 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
12345 * cp/decl2.c: Similarly.
12346 * cp/lex.c (lang_init_options): Rename cxx_init_options.
12347 (lang_hooks): Update.
12348 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
12350 (lang_init_options): Rename ffe_init_options.
12351 (lang_hooks): Update.
12352 (lang_decode_option): Remove.
12353 * java/lang.c (lang_init_options): Rename java_init_options.
12354 (lang_decode_option): Rename java_decode_option.
12355 (lang_hooks): Update.
12356 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
12357 (lang_decode_option): Rename objc_decode_option.
12358 (lang_hooks): Update.
12360 2001-01-09 Nick Clifton <nickc@redhat.com>
12362 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
12363 (d30v_return_addr_rtx): Delete.
12364 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
12365 cfun->machine structure.
12366 (struct machine_function): Move to d30v.h
12367 (d30v_save_machine_status): Delete.
12368 (d30v_restore_machine_status): Delete.
12369 (d30v_init_machine_status): New Function.
12370 (d30v_mark_machine_status): New Function.
12371 (d30v_free_machine_status): New Function.
12372 (d30v_init_expanders): Use new functions.
12373 (d30v_return_addr): Use ra_rtx field in cfun->machine.
12374 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
12375 d30v_return_addr_rtx.
12377 * config/d30v/d30v.h (struct_machine): Move here.
12378 Add eh_epilogue_sp_ofs field.
12380 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
12381 field in cfun->machine structure.
12383 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
12385 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
12386 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
12387 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
12389 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
12391 * objc/lang-options.h: Remove bogus reference to
12394 2001-01-09 Kazu Hirata <kazu@hxi.com>
12396 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
12399 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
12401 * reload.c (find_reloads_address): Check for eliminable registers
12402 when substituting a constant expression for a pseudo.
12404 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
12406 * c-common.c (enum format_type): Add format_type_error.
12407 (decode_format_type): New function.
12408 (decl_attributes): Use it.
12409 (format_kind_info): Adjust comment.
12411 2001-01-09 David O'Brien <obrien@BSDi.com>
12413 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
12414 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
12416 * config/i386/gnu.h: Don't include required platform specific .h files,
12417 tm.h will do it instead.
12418 * config/i386/i386elf.h: Likewise.
12419 * config/i386/linux.h: Likewise.
12420 * config/i386/moss.h: Likewise.
12421 * config/mips/gnu.h: Likewise.
12423 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12425 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
12426 (rs6000-ibm-aix3.[01]*): Likewise.
12427 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
12428 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
12429 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
12430 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
12431 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
12432 (powerpc-*-eabiaix*): Likewise.
12433 (powerpc-*-eabisim*): Likewise.
12434 (powerpc-*-elf*): Likewise.
12435 (powerpc-*-eabi*): Likewise.
12436 (powerpc-*-rtems*): Likewise.
12437 (powerpc-*-linux*libc1): Likewise.
12438 (powerpc-*-linux*): Likewise.
12439 (powerpc-wrs-vxworks*): Likewise.
12440 (powerpcle-wrs-vxworks*): Likewise.
12441 (powerpcle-*-sysv*): Likewise.
12442 (powerpcle-*-elf*): Likewise.
12443 (powerpcle-*-eabisim*): Likewise.
12444 (powerpcle-*-eabi*): Likewise.
12445 (powerpcle-*-solaris2*): Likewise.
12446 * config/rs6000/aix31.h: Delete includes.
12447 * config/rs6000/aix3newas.h: Likewise.
12448 * config/rs6000/aix41.h: Likewise.
12449 * config/rs6000/aix43.h: Likewise.
12450 * config/rs6000/beos.h: Likewise.
12451 * config/rs6000/rtems.h: Likewise.
12452 * config/rs6000/sysv4.h: Likewise.
12454 2001-01-09 Kazu Hirata <kazu@hxi.com>
12456 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
12457 Change an argument mode of machine_mode to shift_mode of
12458 shift_mode. Remove an extra error check.
12459 (emit_a_shift): Adopt to the new calling prototype of
12461 (function_prologue): Fix code for a monitor
12462 function. Support H8/S.
12463 (function_epilogue): Do not output pop for a monitor function.
12465 2001-01-09 Nick Clifton <nickc@redhat.com>
12467 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
12468 (setup_incoming_varargs): Use sysv_varargs_p field of the
12469 cfun->machine structure.
12470 (struct machine_function): Move to rs6000.h
12471 (rs6000_save_machine_status): Delete.
12472 (rs6000_restore_machine_status): Delete.
12473 (rs6000_init_machine_status): New Function.
12474 (rs6000_free_machine_status): New Function.
12475 (rs6000_init_expanders): Use new functions.
12477 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
12479 (struct machine_function): Move here.
12481 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
12482 sysv_varargs_p field of the cfun->machine structure.
12484 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
12486 (rs6000_restore_machine_status): Remove prototype.
12488 2001-01-09 Richard Henderson <rth@redhat.com>
12490 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
12491 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
12492 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
12493 (sched_analyze_2, sched_analyze_insn): Likewise.
12494 (sched_analyze, init_deps): Likewise.
12495 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
12496 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
12497 (compute_block_backward_dependences): Update propagate_deps call.
12499 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
12501 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
12503 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
12505 * cppinit.c (OPT_MD, OPT_MMD): Restore.
12506 (cpp_handle_option): Handle them.
12507 (cpp_post_options): Ensure one of -M or -MM is specified with
12508 any other -M? option.
12509 (init_dependency_output): Suppress output with -MG.
12511 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
12513 * cpp.texi: Update.
12514 * invoke.texi: Update.
12516 2001-01-09 Bernd Schmidt <bernds@redhat.com>
12518 * sh.md (reload_outsf): Generate recognizable patterns for
12521 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
12523 * c-lang.c (lang_hooks): Update.
12524 (lang_init): Rename c_init.
12525 (lang_finish): Remove.
12526 * toplev.c (compile_file): Use lang_hooks for lang_init ()
12527 and lang_finish ().
12528 * toplev.h (lang_hooks): Add init () and finish ().
12529 * tree.h (lang_init, lang_finish): Remove.
12530 * cp/tree.h (lang_init, lang_finish): Remove.
12531 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
12532 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
12534 (lang_init, lang_finish): Remove.
12535 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
12536 (lang_hooks): Update.
12537 * java/lang.c (lang_init): Rename java_init.
12538 (lang_finish): Remove.
12539 (lang_hooks): Update.
12540 * objc/objc-act.c (lang_init): Rename objc_init.
12541 (lang_finish): Remove.
12542 (lang_hoooks): Update.
12544 20001-01-09 Graham Stott <grahams@redhat.com>
12546 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
12547 after `ptr` is initialised.
12549 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
12551 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
12552 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
12553 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
12554 stack adjusts, instead of r3.
12556 2001-01-09 Michael Hayes <mhayes@redhat.com>
12558 * flow.c (flow_loop_scan): Break out of ...
12559 (flow_loops_find) ... here.
12560 * basic-block.h (flow_loop_scan): New.
12561 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
12562 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
12564 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
12566 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
12568 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
12569 realloc()ing macro_buffer.
12571 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
12572 if it's wider than long and the target's long is wider than the
12575 2001-01-09 Mark Mitchell <mark@codesourcery.com>
12577 Remove support for using UWIN as a host machine.
12578 * configure.in: Issue an error message.
12579 * configure: Regenerated.
12580 * config.gcc: Remove xm_* UWIN configury.
12581 * config/i386/xm-uwin.h: Remove.
12583 2001-01-08 Nick Clifton <nickc@redhat.com>
12585 * config/v850/v850.c (ra_rtx): Delete.
12586 (v850_save_machine_status): Delete.
12587 (v850_restore_machine_status): Delete.
12588 (v850_init_machine_status): New function.
12589 (v850_mark_machine_status): New function.
12590 (v850_free_machine_status): New function.
12591 (v850_return_addr): Use ra_rtx field in machine structure.
12592 (v850_init_expanders): Use new functions.
12594 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
12595 * config/v850/v850.c: Change arguments to v850_output+* functions
12596 to take a const char *, to avoid compile time warning.
12597 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
12598 (USER_LABEL_PREFIX): Redefine.
12600 2000-01-08 Jim Wilson <wilson@redhat.com>
12602 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
12603 1 to unsigned HOST_WIDE_INT before left shift.
12605 2001-01-08 Nick Clifton <nickc@redhat.com>
12607 * config/arm/arm.c (arm_mark_machine_status): Check to see if
12608 the machine structure has been allocated.
12609 (arm_free_machine_status): New function: Free the machine
12610 specific function structure.
12612 2001-01-08 Richard Henderson <rth@redhat.com>
12614 * jump.c (simplejump_p): Revert last change.
12616 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
12618 * cppinit.c (init): Rename init_library.
12619 (cpp_create_reader): Update.
12620 * gcc.c (cpp_options): If -o given, use it as the target of
12623 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
12625 * arm.c (arm_arch5e): New variable.
12626 (all_cores): XScale is a 5TE device.
12627 (arm_override_options): Set arm_arch5e.
12628 (arm_init_builtins): __builtin_prefetch is in arch5e.
12629 * arm.h (arm_arch5e): Declare it.
12631 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
12633 * arm.md (define_constants): Add defines for UNSPEC and
12634 UNSPEC_VOLATILE insns. Update all users.
12635 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
12636 * arm.c (multi_register_push, note_invalid_constants)
12637 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
12638 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
12639 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
12641 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
12643 * jump.c (jump_optimize_1): Use reversed_comparison_code
12644 instead of can_reverse_comparison_p.
12645 (jump_back_p): Likewise.
12646 (invert_exp_1): Likewise.
12647 (thread_jumps): Likewise.
12648 * simplify-rtx.c (simplify_unary_operation): Likewise.
12649 (simplify_ternary_operation): Likewise.
12650 * cse.c (find_comparison_args): Convert to use
12651 can_reverse_comparison_p.
12652 (record_jump_equiv): Likewise.
12654 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
12656 * arm.h (HARD_REGNO_RENAME_OK): Delete.
12657 (EPILOGUE_USES): Define.
12658 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
12659 automatically stack the LR if it isn't live.
12661 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
12663 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
12666 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
12668 * ggc-page.c (max_alignment): New structure.
12669 (MAX_ALIGNMENT): New macro.
12670 (init_ggc): Use it to round up the sizes in the
12671 extra_order_size_table.
12673 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12675 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
12678 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12680 * builtins.def (BUILT_IN_FPRINTF): New entry.
12682 * c-common.c (c_expand_builtin_fprintf): New function.
12683 (init_function_format_info): Handle __builtin_fprintf.
12684 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
12685 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
12687 * c-decl.c (duplicate_decls): Adjust comment.
12689 * extend.texi (fprintf): Document new builtin.
12691 2001-01-07 Richard Henderson <rth@redhat.com>
12693 * jump.c (simplejump_p): Recognize any single_set jump
12694 of the proper form.
12696 2001-01-07 Richard Henderson <rth@redhat.com>
12698 * configure.in (slibdir): Accept an --with-slibdir option.
12699 Use "test" not "[" in configure. Default to $(libdir).
12701 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
12703 * config/t-aix43 (SHLIB_INSTALL): Likewise.
12704 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
12705 (SHLIB_LINK): Create links for the soname.
12706 * config/mips/t-iris6: Likewise.
12707 * config/sparc/t-slibgcc: Likewise.
12708 * config/sparc/t-slibgcc-sld: Likewise.
12710 2001-01-07 Jakub Jelinek <jakub@redhat.com>
12712 * config/i386/i386.c (constant_call_address_operand): Accept
12713 (const (plus (symbol_ref) (const_int))).
12714 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
12715 constant_call_address_operand.
12717 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12719 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
12720 and LONG_LONG_TYPE_SIZE > 32.
12722 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
12724 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
12725 the previous change.
12727 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
12729 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
12731 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
12732 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
12733 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
12736 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12738 * fix-header.c (read_scan_file): s/pfile/scan_in/.
12740 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12742 * c-lang.c (c_post_options): Call cpp_post_options.
12743 * objc/objc-act.c (objc_post_options): Similarly.
12744 * cppmain.c (main): Similarly.
12745 * fix-header.c (read_scan_file): Similarly.
12746 * cppinit.c (cpp_start_read): Move option consistency checks
12747 to cpp_post_options. Don't call init_dependency_output.
12748 If needed, add default target and main file dependency.
12749 (OPT_MD, OPT_MMD): Remove.
12751 (cpp_handle_option): Update for OPT_* changes.
12752 (cpp_post_options): New.
12753 (init_dependency_output): Command line -MF overrides environment
12754 variables. Don't set default target etc. Suppress output
12755 if dependencies are going to stdout.
12756 (print_help): Update.
12757 * cpplib.h (cpp_post_options): New.
12758 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
12760 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
12762 * jump.c (comparison_dominates_p): Support unordered compares.
12764 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
12766 * simplify-rtx.c (simplify_relational_operation): Always simplify
12767 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
12770 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
12772 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
12773 (nonzero_bits): Likewise.
12774 (simplify_comparison): Likewise.
12775 (num_sign_bit_copies): Likewise; return more sane value depending
12776 on STORE_FLAG_VALUE.
12777 (known_cond): Do not assume EQ to be always true for equivalent
12780 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
12782 * cse.c (fold_rtx): Handle unordered comparisons.
12784 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
12786 * rtlanal.c (set_of_1): New static function.
12787 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
12788 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
12789 reg_set_last_last_regno): Remove.
12790 (set_of): New global function.
12791 (set_of_data): New structure.
12792 (reg_set_p, reg_set_last): Revamp for set_of.
12793 * rtl.h (set_of): New.
12795 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
12797 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
12798 * extend.texi: Document _Exit builtin.
12800 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12802 * (initialize, initialize_builtins,
12803 initialize_dependency_output, initialize_standard_includes):
12804 Rename s/initialize/init. Update.
12805 (init_dependency_output): Move to after
12806 cpp_handle_options, the correct location temporally at least.
12807 (opt_comp): Move next to init (), its caller. Fix prototype.
12808 (init): Make "initialized" local scope.
12809 (cpp_create_reader): Always call init ().
12810 (cpp_start_read): Update.
12811 (output_deps): New function, broken out of cpp_finish.
12812 (cpp_finish): Break out output_deps.
12814 2001-01-07 Richard Henderson <rth@redhat.com>
12816 * collect2.c (COFF specific stuff): Revert 12-06 patch
12817 to prototype system functions.
12819 2001-01-07 Michael Hayes <mhayes@redhat.com>
12821 * hard-reg-set.h: Add multiple include guard.
12822 * basic-block.h (struct loop): Add `sink' field.
12823 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
12824 (emit_iv_add_mult): Delete.
12825 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
12826 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
12827 (unroll_loop): Remove end_insert_before argument.
12828 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
12829 (maybe_eliminate_biv_1): Likewise.
12830 (emit_iv_add_mult): Delete.
12831 (gen_add_mult, loop_regs_update): New.
12832 (loop_insn_emit_after, loop_insn_emit_before): New.
12833 (loop_insn_sink, loop_insn_sink_or_swim): New.
12834 (emit_iv_add_mult): Delete.
12835 (scan_loop): Set loop->sink.
12836 (loop_givs_reduce): Use loop_insn_sink and its ilk.
12837 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
12838 (maybe_eliminate_biv_1): Likewise.
12839 (maybe_eliminate_biv_1): Add basic block argument.
12840 * unroll.c (unroll_loop): Remove end_insert_before argument.
12841 (find_splittable_regs): Likewise.
12842 (find_splittable_regs): Use loop_insn_sink and its ilk.
12843 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
12845 2001-01-07 Michael Hayes <mhayes@redhat.com>
12847 * loop.h (loop_insn_hoist): New prototype.
12848 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
12849 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
12850 (check_dbra_loop, load_mems): Likewise.
12851 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
12852 (find_splittable_givs): Likewise.
12854 2001-01-07 Michael Hayes <mhayes@redhat.com>
12856 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
12858 2001-01-07 Richard Henderson <rth@redhat.com>
12860 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
12862 2001-01-07 Richard Henderson <rth@redhat.com>
12864 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
12865 NO_SHARED_LIBGCC_MULTILIB as required for the target.
12866 * gcc.c (init_spec): Massage the existing libgcc_spec into a
12867 variant that handles a shared libgcc.
12868 (process_command): Always validate -{static,shared}-libgcc.
12869 (do_spec_1): New 'M' case.
12870 * invoke.text (Link Options): Document -{static,shared}-libgcc.
12872 2001-01-07 Richard Henderson <rth@redhat.com>
12874 * Makefile.in (slibdir): New variable.
12875 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
12876 (installdirs): Create slibdir.
12877 (install-libgcc, install-multilib): Defer to libgcc.mk.
12878 * configure.in (slibdir): Substitute.
12879 * mklibgcc.in (install): New target.
12881 * config/t-linux (SHLIB_LINK): Create links for the soname.
12882 (SHLIB_INSTALL): New.
12883 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
12884 * config/mips/t-iris6 (SHLIB_INSTALL): New.
12885 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
12886 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
12887 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
12889 2001-01-07 Richard Henderson <rth@redhat.com>
12891 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
12892 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
12893 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
12895 2001-01-07 Michael Hayes <mhayes@redhat.com>
12897 * loop.c (count_loop_regs_set): Delete.
12898 (load_mems_and_recount_loop_regs_set): Delete.
12899 (loop_regs_scan): Merge common code from count_loop_regs_set,
12900 scan_loop, and load_mems_and_recount_loop_regs_set.
12901 (scan_loop): Call load_mems directly and loop_regs_scan
12902 again if new registers created.
12904 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12906 * toplev.c (main): Call the front-end specific post_options
12907 hook if one is given.
12908 * toplev.h (struct_lang_hooks, lang_hooks): New.
12909 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
12910 for the C front end.
12911 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
12912 lang_hooks for the C++ front end.
12913 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
12914 lang_hooks for the ObjC front end.
12915 * f/com.c (lang_hooks): Hooks for the Fortran front end.
12916 * java/lang.c (lang_hooks): Hooks for the Java front end.
12918 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12920 * c-lex.c (init_c_lex): Request #define / #undef callbacks
12921 for verbose DWARF[2] debugging.
12922 (cb_define, cb_undef): The new callbacks.
12923 * toplev.h (debug_define, debug_undef): Make const correct.
12924 * toplev.c (debug_define, debug_undef): Similarly. Do not
12925 perform the verbosity tests here anymore.
12927 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
12929 * reload.c (subst_reloads): Take INSN argument. When
12930 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
12931 * reload.h (subst_reloads): Adjust prototype.
12932 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
12933 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
12934 present in JUMP_INSNs and copy them to JUMP_LABEL.
12935 * flow.c (find_label_refs, find_basic_blocks_1): Skip
12936 JUMP_INSNs and insns with REG_LABELs that are followed by
12937 JUMP_INSNs with the same REG_LABEL.
12938 * sched-rgn.c (is_cfg_nonregular): Likewise.
12939 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
12941 * unroll.c (unroll_loop): Look for REG_LABEL notes in
12943 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
12945 2001-01-06 Richard Henderson <rth@redhat.com>
12947 * loop.c (scan_loop): Use xcalloc for the regs array.
12948 (load_mems_and_recount_loop_regs_set): Zero the new memory
12949 received from xrealloc.
12951 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
12953 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
12955 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
12957 * integrate.c (copy_rtx_and_substitute): When copying
12958 an ignored return value, strip REG_FUNCTION_VALUE_P.
12960 2001-01-06 Michael Hayes <mhayes@redhat.com>
12962 * loop.c (debug_biv, debug_giv): New.
12963 (loop_biv_dump): Break out from ...
12964 (record_biv): ... here.
12965 (loop_giv_dump): Break out from ...
12966 (record_giv): ... here.
12967 (loop_bivs_check): Use print_simple_rtl.
12968 * unroll.c (loop_iterations): Use print_simple_rtl.
12970 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
12972 * pa.md (return, return_internal): Modify patterns to prevent regrename
12973 mucking with the return pointer.
12975 2001-01-05 Richard Henderson <rth@redhat.com>
12977 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
12979 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
12981 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
12982 version supplied by Matteo Frigo.
12984 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
12986 * cpp.texi: Update for -MQ.
12987 * cppinit.c (cpp_create_reader): Always create pfile->deps.
12988 (cpp_cleanup): Always free pfile->deps.
12989 (initialize_dependency_output): Don't create pfile->deps.
12990 (cpp_handle_option): Similarly.
12992 * gcc.c (cpp_options): Handle -MQ.
12993 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
12994 * mkdeps.c (base_name): Remove.
12995 (deps_init): Don't allocate vector space until it's needed.
12996 (deps_free): Only free vectors if allocated.
12997 (deps_add_target, deps_add_dep): Update for initial allocation.
12998 (deps_add_default_target): Don't strip to the base_name.
13000 2001-01-05 DJ Delorie <dj@redhat.com>
13002 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
13003 (INIT_EXPANDERS): Define.
13005 * config/v850/v850.c (struct machine_function): Define.
13006 (v850_save_machine_status): New function.
13007 (v850_restore_machine_status): New function.
13008 (v850_return_addr): New function.
13009 (v850_init_expanders): New function.
13011 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
13012 and v850_init_expanders.
13014 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
13016 * cpplib.h (struct cpp_reader): Add help_only field.
13017 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
13018 (cpp_handle_option): Set pfile->help_only if we see -h,
13019 --help, -target-help, or --version. Print version string but
13020 do not set help_only if we see -v or -version. Make text
13021 printed by -v match that printed by (-)-version.
13023 * cppmain.c (main): Exit after option parsing if
13024 pfile->help_only is true.
13026 * toplev.c (independent_decode_option): Call print_version,
13027 then exit, if we see --version (but not -version).
13028 (print_version): Split lengthy message into two lines.
13030 2001-01-05 Nick Clifton <nickc@redhat.com>
13032 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
13033 temporary string for initialisation before calling ggc_alloc_string.
13035 2001-01-06 Michael Hayes <mhayes@redhat.com>
13037 * rtl.h (print_simple_rtl): New.
13038 * print-rtl.c (print_simple_rtl): New.
13039 (flag_simple): New.
13040 (print_rtx): Disable printing of flags and modes, etc.,
13041 if `flag_simple` nonzero.
13043 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
13045 * function.c (fixup_var_refs): Use push_to_full_sequence where
13048 2001-01-05 Michael Meissner <meissner@redhat.com>
13050 * flags.h (flag_reorder_blocks): Add declaration.
13051 (flag_rename_block): Ditto.
13053 2001-01-05 DJ Delorie <dj@redhat.com>
13055 * function.c (reorder_blocks): Make sure the flags are all reset
13056 before using them to mark blocks, else a second invocation will
13057 corrupt the block chain.
13058 (reorder_blocks_0): New, resets the flags.
13060 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
13062 * cse.c (find_comparison_args): Stop if the argument is known to
13065 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
13067 * config/sh/sh.md (movdf): When splitting load into pair of
13068 registers, don't clobber the register used in the address too
13071 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
13073 * varasm.c (mark_constant_pool): Improve initial comments.
13074 (mark_constants): Move marking of constants to mark_constant.
13075 (mark_constant): New function to recursively mark all constants
13076 referred to by a constant.
13078 2001-01-05 Catherine Moore <clm@redhat.com>
13080 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
13082 2001-01-05 Phil Edwards <pme@sources.redhat.com>
13084 * cp/lang-options.h: Bring comment in line with reality.
13085 * f/lang-options.h: Likewise.
13086 * java/lang-options.h: Likewise.
13087 * objc/lang-options.h: Likewise.
13088 * ch/lang-options.h: Likewise.
13089 * f/g77.texi: And update the manual.
13091 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
13092 Denis Chertykov <denisc@overta.ru>
13094 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
13095 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
13096 * config/avr/avr.md (all peepholes that request a scratch register):
13097 Call it, FAIL the peephole if not safe (in interrupt functions).
13099 2001-01-05 Mark Mitchell <mark@codesourcery.com>
13101 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
13103 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
13105 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
13107 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
13108 BUILT_IN_CREAL and BUILT_IN_CIMAG.
13109 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
13110 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
13111 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
13113 * extend.texi: Document these builtins.
13115 2001-01-05 Daniel Berlin <dberlin@redhat.com>
13117 * c-common.c (lang_get_alias_set): Say we know nothing of
13118 VECTOR_TYPE aliasing.
13120 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
13122 2001-01-05 Bruce Korb <bkorb@gnu.org>
13124 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
13125 their x* equivalent versions for atexit-less systems
13126 * fixinc/fixincl.c(main): do not return from main() on atexit-less
13127 systems (or any other system any more).
13129 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
13131 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
13132 output operands. Use arm_hard_register_operand for operand 4.
13133 (stmsi_postinc): Similarly.
13134 (ldmsi): Use arm_hard_register_operand for opernand 2.
13135 (stmsi): Similarly.
13136 * arm.c (arm_hard_register_operand): New function.
13137 * arm-protos.h (arm_hard_register_operand): Prototype it.
13139 * arm.h (HARD_REGNO_RENAME_OK): Define.
13141 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
13143 * simplify-rtx.c (cfc_args): add "unordered" field.
13144 (check_fold_consts): Set unordered field.
13145 (simplify_relational_operation): Simplify the unordered
13148 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
13151 * emit-rtl.c (try_split): Fix code to mark labels.
13152 * jump.c (mark_jump_label): Make global.
13153 * rtl.h (mark_jump_label): Declare.
13155 * predict.c (estimate_probability): Handle unordred comparisons.
13157 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
13159 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
13160 * cppinit.c (initialize_dependency_output): Update.
13161 (cpp_finish): Output dummy targets for -MP.
13163 (cpp_handle_option): Handle -MP. Don't quote -MT options.
13164 * cpplib.h (struct cpp_options): Add deps_phony_targets.
13165 * gcc.c (cpp_options): Update to handle -MP.
13166 * mkdeps.c (deps_add_target, deps_add_default_target): Update
13167 to quote only the default target.
13168 (deps_phony_targets): Insert a preceding newline. Rename from
13169 deps_dummy_targets for consistency.
13172 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
13174 * calls.c (emit_library_call_value_1): Support
13175 INIT_CUMULATIVE_LIBCALL_ARGS.
13176 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
13178 2001-01-04 Richard Henderson <rth@redhat.com>
13180 * c-decl.c (finish_struct): Detect flexible array members
13181 used in an inappropriate context.
13182 * c-typeck.c (really_start_incremental_init): Special case
13183 constructor_max_index for zero length arrays.
13184 (pop_init_level): Allow initialization of flexible array
13185 members. Deprecate initialization of zero length arrays.
13186 Don't issue missing initializer warning for flexible array
13187 members or zero length arrays.
13188 (process_init_element): Don't dereference null DECL_SIZE.
13189 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
13190 Don't abort for empty constructors. Use size_binop
13191 (output_constructor): Add commentary regarding zero length
13192 array futures. Abort if we try to initialize an array of
13193 unspecified length with a non-empty constructor in the middle
13196 * extend.texi (Zero Length): Update and clarify documentation
13197 on static initialization.
13199 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13201 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
13202 with more than 32767 words of local storage.
13204 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13206 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
13207 for 'abs', 'labs', and 'fabs'.
13208 (c4x_expand_builtin): Likewise.
13209 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
13211 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
13213 * config/sh/sh.md (prget, prset): New insn types.
13214 (return delay slot): Dont' allow prset.
13215 (call, sfunc delay slot): Don't allow prget.
13216 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
13217 for prset and prget.
13219 2001-01-05 Michael Hayes <mhayes@redhat.com>
13221 * loop.h (struct loop_reg): New.
13222 (struct loop_regs): Change to use array of `struct loop_reg'.
13223 * loop.c: Replace assortment of varrays with single regs array.
13224 (count_one_set): Delete may_not_move array argument
13225 and use regs array instead. All caller's changed.
13226 (count_loop_regs_set): Delete may_not_move and single_usage
13227 arguments and use regs array instead. All caller's changed.
13228 (find_single_use_in_loop): Replace usage array argument with pointer
13229 to regs structure. All caller's changed.
13230 (loop_optimize): Delete `moved_once' array.
13232 2001-01-05 Michael Hayes <mhayes@redhat.com>
13234 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
13235 Use it instead of loop_info->has_call for scanning loop mems.
13236 (check_dbra_loop): Replace loop_info->has_call test with
13237 loop_info->has_nonconst_call.
13239 2000-01-04 Matthew Hiller <hiller@redhat.com>
13241 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
13244 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
13246 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
13247 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
13249 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
13251 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
13252 (flag_short_double, flag_short_wchar): Define.
13253 (c_common_nodes_and_builtins): Create many tree nodes shared
13254 between C and C++ here instead of in cp/decl.c and ...
13255 * c-decl.c (init_decl_processing): ... here.
13256 (SIZE_TYPE, WCHAR_TYPE): Don't define.
13257 (flag_short_double, flag_short_wchar): Don't define.
13258 (record_builtin_type): New function.
13259 (build_void_list_node): New function.
13260 * c-common.h (flag_short_double, flag_short_wchar,
13261 record_builtin_type, build_void_list_node): Declare.
13263 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
13265 * integrate.c (expand_inline_function): Don't put a virtual
13266 register into the reg map.
13268 * function.c (fixup_var_refs_1): If force_operand didn't put
13269 the address into the target, move it there.
13271 2001-01-04 Mark Mitchell <mark@codesourcery.com>
13273 Special-case tree_decl/tree_list allocations.
13274 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
13275 (OBJECT_SIZE): New macro.
13276 (NUM_EXTRA_ORDER): Likewise.
13277 (extra_order_size_table): New variable.
13278 (NUM_ORDERS): New macro.
13279 (objects_per_page_table): New variable.
13280 (object_size_table): New variable.
13281 (G.pages): Use NUM_ORDERS to bound the array.
13282 (G.page_tails): Likewise.
13283 (DIV_ROUND_UP): Remove.
13284 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
13285 (alloc_page): Use OBJECT_SIZE.
13286 (size_lookup): Don't make it const.
13287 (ggc_alloc): Use OBJECT_SIZE.
13288 (ggc_set_mark): Likewise.
13289 (ggc_get_size): Likewise.
13290 (init_ggc): Set up the object_size_table, objects_per_page_table,
13291 and adjust size_lookup.
13292 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
13293 (ggc_pop_context): Use NUM_ORDERS.
13294 (clear_marks): Likewise.
13295 (sweep_pages): Likewise.
13296 (poison_pages): Likewise.
13297 (ggc_print_statistics): Use OBJECT_SIZE.
13299 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13301 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
13302 Only call array_size_for_constructor if last field and array type
13303 with no upper bound.
13305 2001-01-04 Philip Blundell <philb@gnu.org>
13307 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
13308 from bit 31 downwards, if this requires no more insns.
13309 (count_insns_for_constant): New helper function for above.
13311 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
13313 * gencodes.c (output_predicate_decls): Remove empty initializer.
13315 2001-01-04 Mark Mitchell <mark@codesourcery.com>
13317 * tree.c (copy_node): Remove documentation about obstacks.
13318 (buidl1): Check that nobody tries to build 2-argument nodes this
13321 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13323 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
13326 * gencodes.c (output_predicate_decls): Fill empty initializer
13329 2001-01-04 Jakub Jelinek <jakub@redhat.com>
13331 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
13332 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
13334 (do_include): Handle missing headers like cpp0.
13335 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
13336 paths with first include pathname. Don't strcat to uninitialized
13339 2001-01-04 Bernd Schmidt <bernds@redhat.com>
13341 * regrename.c (regrename_optimize): Don't rename from frame pointer
13342 if frame_pointer_needed.
13343 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
13344 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
13345 (ia64_reorg): Use it instead of scheduling if ! optimize.
13346 (errata_emit_nops): Properly call asm_noperands.
13347 (ia64_sched_reorder): Finish cycle if we see an asm.
13348 (ia64_variable_issue): Clear scheduling state after asms.
13350 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
13352 * cpp.texi: Update for -MT.
13353 * cppinit.c (initialize_dependency_output): Add a default
13354 target if none has been given already.
13355 (no_tgt, OPT_MT): New.
13356 (cpp_handle_option): Handle -MT. Update -M etc.
13357 * cpplib.h (struct cpp_options): Remove deps_target.
13358 * gcc.c (cpp_options): Handle -MT.
13359 * mkdeps.c (struct deps): Move from mkdeps.h.
13360 (deps_calc_target): Rename deps_add_default_target. Add a
13361 default target if none has been specified already.
13362 * mkdeps.h (struct deps): Move to mkdeps.c.
13363 (deps_calc_target): Rename deps_add_default_target.
13365 2000-01-03 Richard Henderson <rth@redhat.com>
13367 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
13369 * c-typeck.c (push_init_level): Move checks for flexible array
13370 members and zero length arrays ...
13371 (pop_init_level): ... here. Silently discard empty initializations.
13373 * varasm.c (output_constructor): Update for sizeof change to
13374 zero-length arrays.
13376 * extend.texi (Zero Length): Clarify semantics.
13378 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
13380 * configure.in (tm.h): Include isns-codes.h last.
13381 * configure: Rebuilt.
13383 2001-01-03 Richard Henderson <rth@redhat.com>
13385 * config/alpha/alpha.md (addvsi3, addvdi3): New.
13386 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
13388 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13390 * tradcpp.c (main): Make sure finclude() is called with a valid
13391 indepth value while handling -include.
13393 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
13395 * gencodes.c (output_predicate_decls): New function.
13397 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
13398 even if it is not the first time machmode.h is #included.
13399 * config/sh/sh.c (fpul_operand): Declare MODE argument.
13400 * tm.texi (PREDICATE_CODES): Document predicate declarations.
13401 * gcc.texi (Copyright): Added 2001.
13403 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
13405 * c-common.c (c_common_lang_init): New function. Warn if format
13406 warning options which only have effects when used with -Wformat
13407 are used without -Wformat.
13408 * c-common.h (c_common_lang_init): Declare.
13409 * c-lang.c (lang_init): Call c_common_lang_init.
13410 * objc/objc-act.c (lang_init): Call c_common_lang_init.
13412 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
13414 * configure.in: Check for the mktemp command.
13415 * configure: Regenerate.
13416 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
13417 $TEMP. Create temporary files with mktemp, if available at
13418 configure time; otherwise use set -C. Remove temporary files
13421 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
13423 * configure.in: Require at least texinfo 4.0. Check for whether
13424 Pod::Man is sufficiently recent to regenerate GCC manpages.
13425 * configure: Regenerate.
13426 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
13428 (GENERATED_MANPAGES): Define.
13429 (generated-manpages): New target. Depend on cpp.1 as well as
13431 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
13432 configure to generated-manpages or empty) rather than on the
13433 manpages directly. Remove execute permission from installed
13434 gcov.1 as well as cpp.1.
13435 * cpp.1, gcov.1: Regenerate.
13437 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13439 * builtins.c (expand_builtin_strncmp): Use host_integerp and
13440 tree_low_cst. Allow using cmpstrsi in more cases.
13442 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13444 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
13447 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
13449 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
13450 * Makefile.in (HOST_CFLAGS): Mention build-make.
13452 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13454 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
13457 2001-01-01 Bernd Schmidt <bernds@redhat.com>
13459 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
13462 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
13465 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
13466 reg_base_value and reg_known_value arrays.
13467 (init_alias_analysis): Add more cases to detect known values.
13468 * sched-deps.c (deps_may_trap_p): New function.
13469 (sched_analyze_2): Use it.
13471 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
13473 * combine.c (simplify_shift_const): Even if we're sign-extracting,
13474 don't discard an ASHIFTRT if we're shifting in a wider mode.
13476 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
13478 * toplev.c (rest_of_compilation): Don't print basic block information
13479 when CFG isn't up to date.
13481 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
13483 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
13484 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
13485 (UNALIGNED_SHORT_ASM_OP): Define.
13486 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
13488 2001-01-02 Mark Mitchell <mark@codesourcery.com>
13490 * fold-const.c (fold_convert): Fix typo.
13492 2001-01-02 Richard Henderson <rth@redhat.com>
13494 * c-common.h (ASM_INPUT_P): New.
13495 * c-parse.in (asm): Set it when needed.
13496 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
13497 existance of an operand.
13499 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
13501 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
13502 (dwarf2out_frame_debug_expr): Likewise.
13503 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
13505 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
13507 * i386.c (ix86_split_to_parts): Return number of part required;
13509 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
13511 (ix86_split_long_move): Use number of part returned
13512 by ix86_split_to_parts
13513 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
13515 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
13516 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
13517 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
13518 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
13519 (ALIGN_MODE_128): Add TFmode.
13520 (IS_STACK_MODE): Likewise.
13521 (HARD_REGNO_NREGS): TFmode needs 3 registers.
13522 (HARD_REGNO_OK): Support TFmodes.
13523 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
13524 * i386.md (scheduler definitions): Use memory operand to determine
13525 fst/fld instructions; use mode attribute to determine real mode of
13527 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
13528 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
13530 2001-01-02 Mark Mitchell <mark@codesourcery.com>
13532 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
13534 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
13536 * expr.c (store_constructor_field): Update ALIGN before calling
13539 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
13541 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
13544 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
13546 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
13549 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
13551 * c-decl.c (start_function): Don't warn on third parameter to main.
13553 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13555 * tsystem.h: Define HAVE_DECL_GETOPT.
13557 2001-01-02 Philip Blundell <pb@futuretv.com>
13559 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
13562 2001-01-02 Richard Henderson <rth@redhat.com>
13564 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
13566 2001-01-02 Andreas Jaeger <aj@suse.de>
13568 * c-decl.c (c_decode_option): Remove support of
13569 -Wmissing-noreturn.
13571 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
13572 (W_options): Add -Wmissing-noreturn here.
13574 * flow.c: Define lang_missing_noreturn_ok_p.
13575 (check_function_return_warnings): Use it.
13577 * c-common.h: Declare lang_missing_noreturn_ok_p.
13579 * c-lang.c (c_missing_noreturn_ok_p): New function.
13580 (lang_init): Set lang_missing_noreturn_ok_p.
13582 * invoke.texi (Warning Options): Document this.
13584 2000-12-27 Phil Edwards <pme@sources.redhat.com>
13586 * extend.texi (C++ Extensions): New node for C++ attributes;
13587 describe init_priority and com_interface.
13588 * invoke.texi: Remove -finit-priority as it now has zero effect.
13589 * install.texi: Fix xref syntax.
13590 * md.texi: Likewise.
13592 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13594 * config.gcc (sparc64-wrs-vxworks*): New case.
13595 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
13597 * config/sparc/sparc.c (sparc_override_options): Do support different
13598 pointer and architecture size.
13599 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
13600 (POINTERS_EXTEND_UNSIGNED): Define.
13601 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
13602 (FUNCTION_MODE): Define to be Pmode.
13603 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
13605 * function.c (expand_function_end): Properly handle DECL_RESULT
13606 and copy when ptr_mode != Pmode.
13607 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
13609 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13611 * c-common.c (c_common_nodes_and_builtins): Set prototype
13612 parameters for __builtin_fputs, __builtin_fputc and
13613 __builtin_fwrite. Don't declare plain fputc as a builtin.
13615 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
13617 * loop.c (add_label_notes): Increment the label usage count when
13618 a note is added to an insn which refers to a CODE_LABEL.
13619 * gcse.c (add_label_notes): Likewise.
13621 2001-01-01 Andreas Jaeger <aj@suse.de>
13623 * loop.c (scan_loop): Use xmalloc to allocate movables.
13625 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
13627 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
13628 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
13629 * reload1.c (REGISTER_MOVE_COST): Likewise.
13630 * regclass.c (REGISTER_MOVE_COST): Likewise.
13631 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
13632 dimension. Adjust all users.
13633 (init_reg_sets_1): Iterate on all modes.
13634 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
13635 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
13636 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
13637 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
13638 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
13639 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
13640 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
13641 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
13642 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
13643 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
13644 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
13645 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
13646 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
13647 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
13648 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
13649 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
13650 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
13651 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
13652 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
13653 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
13654 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
13655 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
13656 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
13657 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
13658 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
13659 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
13660 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
13662 2001-01-01 Bernd Schmidt <bernds@redhat.com>
13664 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
13665 arg VARIES_P. Call it with extra arg.
13666 (true_dependence): Likewise.
13667 * rtl.h (rtx_addr_can_trap_p): Declare.
13668 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
13670 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
13671 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
13672 pic offset table register if it's zero. All callers changed.
13673 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
13675 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13677 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
13678 STRING_POOL_ADDRESS_P.
13680 * config/sparc/sparc.c (input_operand): Properly test for short op.
13682 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
13683 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
13684 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
13685 * config/sparc/elf.h: No longer include sol2.h.
13686 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
13687 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
13689 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
13691 2001-01-01 Michael Hayes <mhayes@redhat.com>
13693 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
13694 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
13695 (record_initial): Likewise.
13696 * unroll.c (copy_loop_body, loop_iterations): Likewise.
13697 (remap_split_bivs): Likewise.
13699 2001-01-01 Michael Hayes <mhayes@redhat.com>
13701 * loop.c (loop_ivs_free): New function.
13702 (strength_reduce): Break out from...
13704 2001-01-01 Michael Hayes <mhayes@redhat.com>
13706 * loop.h (struct iv): New.
13707 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
13708 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
13709 'reg_biv_class' fields with 'regs' and 'n_regs'.
13710 (struct ivs): Rename 'loop_iv_list' field to 'list'.
13711 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
13712 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
13714 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
13716 * resource.c (mark_referenced_resources): Abort() before
13717 attempting to mark a pseudo register.
13718 (mark_set_resources): Likewise.
13720 2001-01-01 Michael Hayes <mhayes@redhat.com>
13722 * loop.h (REG_IV_CLASS): New accessor macro.
13723 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
13724 * unroll.c (REG_IV_CLASS): Likewise.
13726 See ChangeLog.4 for earlier changes.