1 Sat Jun 23 19:40:05 CEST 2001 Jan Hubicka <jh@suse.cz>
3 * i386-protos.h (emit_i387_cw_initialization): Declare.
4 * i386.md (movsi_insv_1): Remove '*'.
5 (fix_trunc?f?i2): Revamp to use control word parameters.
6 (fix_trunc?i_1): Likewise; update splitters.
7 (fix splitter): Remove.
8 * i386.c (MAX_386_STACK_LOCALS): set to 3.
9 (emit_i387_cw_initialization): New function.
10 (output_fix_trunc): Do not initialize control word;
11 kill dead code; simplify.
13 2001-06-23 Neil Booth <neil@cat.daikokuya.demon.co.uk>
15 * cppmacro.c (make_string_token): Avoid warning.
16 (cpp_macro_definition): Prepend the macro name. Update
18 * cppmain.c (cb_define, dump_macro): Update for changes
19 to cpp_macro_definition.
21 Sat Jun 23 10:20:03 CEST 2001 Jan Hubicka <jh@suse.cz>
23 * flow.c (attempt_auto_inc, try_pre_increment_1): Fix typo.
25 Sat Jun 23 01:23:59 CEST 2001 Jan Hubicka <jh@suse.cz>
27 * flow.c (mark_set_1, attempt_auto_inc, mark_used_reg,
28 try_pre_increment_1): compute REG_FREQ using bb->frequency.
30 * regclass.c (loop_cost): Kill.
31 (frequency): New global variable.
32 (record_operand_costs): Replace loop_cost by frequency.
33 (scan_one_insn): Likewise.
34 (regclass): Likewise; set frequency according to bb->frequency.
36 * flow.c (split_edge): Set frequency.
38 Sat Jun 23 01:16:42 CEST 2001 Jan Hubicka <jh@suse.cz>
40 * predict.c (block_info_def): Add nvisited.
41 (propagate_freq): Count nvisited; re-queue delayed blocks; handle
44 * flow.c (dump_edge_info): Dump the probability of edge.
45 (combine_predictions_for_insn): Dump the basic block.
47 2001-06-22 Joseph S. Myers <jsm28@cam.ac.uk>
49 * doc/gcc.texi: Update documentation of source files of C
52 2001-06-22 Richard Henderson <rth@redhat.com>
54 * doc/invoke.texi (-funsafe-math-optimizations): Document its
55 possible effects at link time.
57 2001-06-22 Diego Novillo <dnovillo@redhat.com>
59 * basic-block.h (dump_edge_info): Declare.
60 (clear_edges): Declare.
61 (mark_critical_edges): Declare.
62 * flow.c (dump_edge_info): Remove static declaration.
64 (mark_critical_edges): Ditto.
65 (free_basic_block_vars): Only clear edges and free basic block
66 array if basic_block_info is not NULL.
67 * ssa.c (compute_dominance_frontiers): Remove static declaration.
68 * ssa.h (compute_dominance_frontiers): Declare.
70 2001-06-22 Toshiyasu Morita (toshiyasu.morita@hsa.hitachi.com)
72 * predict.c: (expected_value_to_br_prob): Check for const_true_rtx
73 instead of const1_rtx for true case.
75 2001-06-22 David Mosberger <davidm@hpl.hp.com>
77 * config/ia64/crtfastmath.c: New file.
78 * config/ia64/t-ia64 (EXTRA_PARTS): Include it.
79 * config/ia64/linux.h (ENDFILE_SPEC): New.
81 2001-06-22 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
83 * config/h8300/h8300.c (asm_file_start): Remove reference to
86 2001-06-22 Joseph S. Myers <jsm28@cam.ac.uk>
88 * c-common.c (verify_tree): Check for x being NULL.
89 * doc/c-tree.texi: Document COMPOUND_BODY of an empty
93 2001-06-22 DJ Delorie <dj@redhat.com>
95 * config/arm/arm.h (struct machine_function): Remove ra_rtx.
96 * config/arm/arm.c (arm_mark_machine_status): Remove ra_rtx.
97 (arm_return_addr): Use get_hard_reg_initial_val et al.
98 * config/d30v/d30v.h (struct machine_function): Remove ra_rtx.
99 * config/d30v/d30v.c (d30v_mark_machine_status): Remove ra_rtx.
100 (d30v_return_addr): Use get_hard_reg_initial_val et al.
101 * config/rs6000/rs6000.h (struct machine_function): Remove ra_rtx.
102 * config/rs6000/rs6000.c (rs6000_override_options): Don't set
104 (rs6000_mark_machine_status): Remove.
105 (rs6000_return_addr): Use get_hard_reg_initial_val.
106 (rs6000_ra_ever_killed): Use has_hard_reg_initial_val.
107 * config/v850/v850.h (INIT_EXPANDERS): Delete.
108 * config/v850/v850.c (struct machine_function): Delete.
109 (v850_init_machine_status): Delete.
110 (v850_mark_machine_status): Delete.
111 (v850_free_machine_status): Delete.
112 (v850_return_addr): Use get_hard_reg_initial_val.
113 (v850_init_expanders): Delete.
115 Fri Jun 22 19:20:59 CEST 2001 Jan Hubicka <jh@suse.cz>
117 * predict.c (estimate_bb_frequencies): Do not handle conditional
118 jumps jumping to fallthru basic block as conditional jumps.
120 Fri Jun 22 19:11:28 CEST 2001 Jan Hubicka <jh@suse.cz>
122 * regs.h (struct reg_info_def): Add freq field.
123 (REG_N_REFS): Update comment.
125 * regclass.c (scan_one_insn): Update REG_FREQ.
126 * flow.c (mark_set_1): Update REG_FREQ, make REG_N_SETS unweighted.
127 (attempt_auto_inc): Likewise.
128 (mark_used_reg): Likewise.
129 (try_pre_increment_1): Likewise.
130 * local-alloc.c (struct qty): Add freq field.
131 (alloc_qty): Set freq.
132 (update_equiv_regs): Set REG_FREQ.
133 (QTY_CMP_PRI): Use freq.
134 (combine_regs): Update qty->freq.
135 * global.c (struct allocno): Update comment for n_refs;
137 (local_reg_freq): New array.
138 (global_alloc): Update freq field;
139 allocate and initialize local_reg_freq.
140 (allocno_compare): Use freq field.
141 (find_reg): Likewise.
142 * reload1.c (count_pseudo): Use freq isntead of n_refs.
143 (count_spilled_pseudo): Likewise.
145 * tm.texi (GCOV_TYPE_SIZE): Document.
146 * basic-block.h (gcov_type): Define.
147 (struct edge_def): Use gcov_type for count field.
148 (struct basic_block_def): Likewise.
149 * defaults.h (GCOV_TYPE_SIZE): Define.
150 * final.c (end_final): Use GCOV_TYPE_SIZE.
151 * flow.c (dump_edge_info, dump_flow_info, dump_bb): Print count fields
152 using HOST_WIDEST_INT_PRINT_DEC.
153 * gcov-io.h (__fetch_gcov_type, __store_gcov_type, __read_gcov_type,
154 __write_gcov_type): New.
155 (store_long): Remove.
156 * gcov.c (gcov_type): Set default.
157 (struct adj_list): Use gcov_type for arc_count.
158 (bb_info): Use gcov_type for succ_count, pred_count and exec_count.
159 (create_program_flow_graph): Read arc_count properly.
160 (solve_program_flow_graph): 'total' is gcov_type.
161 (output_data): Line_counts is gcov_type, print it properly.
162 * libgcc2.c (struct bb): Counts is gcov_type.
163 (__bb_exit_func): Use __read_gcov_type and __write_gcov_type.
164 * profile.c (LONG_TYPE_SIZE, LONG_LONG_TYPE_SIZE): Set default.
165 (GCOV_TYPE_SIZE): Define.
166 (struct bb_info): succ_count and pred_count is gcov_type.
167 (compute_branch_probabilities): Use __read_gcov_type,
168 print read edges to the dump file.
169 (total): Is gcov_type.
170 (gen_edge_profiler): Use GCOV_TYPE_SIZE.
172 2001-06-14 Andrew Haley <aph@cambridge.redhat.com>
174 * optabs.c (emit_libcall_block): When using non-call exceptions,
175 don't mark libcalls never throwing.
177 2001-06-21 Stan Shebs <shebs@apple.com>
179 * objc/objc-act.c (hash_init): Use xcalloc.
181 2001-06-21 Richard Henderson <rth@redhat.com>
183 * flow.c (entry_exit_blocks): Initialize frequency.
184 (split_block): Copy it.
185 (dump_flow_info): Dump it.
187 Thu Jun 21 22:15:10 2001 J"orn Rennecke <amylaar@redhat.com>
189 * sh.c (barrier_align): Also recognize branch-around-a-jump-sequence
190 from machine-depedent_reorg for purposes of alignment supression
191 when no delay slot insn has been added.
193 2001-06-21 Neil Booth <neil@cat.daikokuya.demon.co.uk>
195 * cppmacro.c (make_string_token): Null terminate.
197 2001-06-21 DJ Delorie <dj@redhat.com>
199 * config/alpha/alpha.h (struct machine_function): Remove.
200 * config/alpha/alpha.c (integrate.h): Include.
201 (override_options): Don't set up machine_status hooks.
202 (alpha_init_machine_status): Remove.
203 (alpha_mark_machine_status): Remove.
204 (alpha_free_machine_status): Remove.
205 (alpha_return_addr): Use get_hard_reg_initial_val.
206 (alpha_gp_save_rtx): Likewise.
207 (alpha_ra_ever_killed): Use has_hard_reg_initial_val.
209 2001-06-20 Aldy Hernandez <aldyh@redhat.com>
211 * config/sh/sh.md (interrupt_function): Use
212 current_function_interrupt.
213 (define_delay): Schedule in delay slot if TARGET_SH3, even if it is
214 an interrupt function.
216 * config/sh/sh.h (current_function_interrupt): Define extern.
218 * config/sh/sh.c (current_function_interrupt): New global.
219 (sh_expand_prologue): Set current_function_interrupt.
221 2001-06-21 Phil Edwards <pme@sources.redhat.com>
223 * doc/install.texi: Add 'c' to list of --enable-languages choices.
225 2001-06-21 DJ Delorie <dj@redhat.com>
227 * integrate.c (mark_hard_reg_initial_vals): Check for NULL.
229 * integrate.c (ggc.h): Include.
230 (initial_value_pair, initial_value_struct,
231 setup_initial_hard_reg_value_integration): Add prototypes.
232 (expand_inline_function): Call
233 setup_initial_hard_reg_value_integration.
234 (has_func_hard_reg_initial_val, get_func_hard_reg_initial_val,
235 get_hard_reg_initial_val, has_hard_reg_initial_val): New functions
236 to keep track of values present at the start of a function.
237 (mark_hard_reg_initial_vals): New, for gc.
238 (setup_initial_hard_reg_value_integration): New. Sets up pseudo
239 mappings for initial values.
240 (emit_initial_value_sets): New. Emits code to set initial value
242 * integrate.h: Add prototypes for new functions.
243 * function.h (struct function): Add hard_reg_initial_vals field.
244 * function.c (integrate.h): Include.
245 (mark_function_status): Call
246 mark_hard_reg_initial_vals.
247 * toplev.c (integrate.h): Include.
248 (rest_of_compilation): Call emit_initial_value_sets.
250 2001-06-21 Stan Shebs <shebs@apple.com>
252 * doc/contrib.texi, doc/cpp.texi, doc/cppinternals.texi,
253 doc/extend.texi, doc/gcc.texi, doc/install.texi, doc/invoke.texi,
254 doc/objc.texi, doc/tm.texi: Use the correct name "Objective-C"
255 everywhere instead of "Objective C".
257 2001-06-21 Joseph S. Myers <jsm28@cam.ac.uk>
259 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
260 doc/gcc.texi, doc/install-old.texi, doc/install.texi,
261 doc/invoke.texi, doc/rtl.texi: Consistently use "front end" and
262 "back end" as nouns and "front-end" and "back-end" as adjectives.
264 Wed Jun 20 21:53:35 CEST 2001 Jan Hubicka <jh@suse.cz>
266 * predict.c (estimate_probability): Fix loop bounds.
268 Wed Jun 20 19:10:48 CEST 2001 Jan Hubicka <jh@suse.cz>
270 * toplev.c (rest_of_compilation): Run mark_constant_function
273 Wed Jun 20 19:08:18 CEST 2001 Jan Hubicka <jh@suse.cz>
275 * predict.c (estimate_loops_at_level, propagate_freq
276 estimate_bb_frequencies, count_to_freqs): New functions.
277 (estimate_probability): Call estimate_bb_frequencies.
278 * basic-block.h (basic_block_def): Add field "freq".
279 (BB_FREQ_MAX): New constant.
281 Wed Jun 20 17:02:50 2001 J"orn Rennecke <amylaar@redhat.com>
283 * sh.c (barrier_align): Don't ask for alignment when seeing a
284 branch-around-a-jump from machine_dependent_reorg.
286 Wed Jun 20 08:35:02 2001 Jeffrey A Law (law@cygnus.com)
288 * ssa.c (rename_block): Update parameter to remove_phi_alternative
289 (convert_from_ssa): Do create REG_DEAD and REG_UNUSED notes when
290 re-running life analysis.
292 2001-06-20 Stan Shebs <shebs@apple.com>
294 * objc/objc-act.c (hash_init): Assume xmalloc always succeeds,
295 also use memset to clear the hash tables.
296 (hash_enter): Assume xmalloc always succeeds.
297 (hash_add_attr): Ditto.
298 (continue_class): Ditto.
300 2001-06-20 Michael Meissner <meissner@redhat.com>
302 * builtins.c (predict.h): Include.
303 (expand_builtin_expect): Update comment.
304 (expand_builtin_expect_jump): New function to expand
305 __builtin_expect inside of a conditional jump expansion.
307 * expr.c (do_jump): Special case __builtin_expect (<test>, 0) and
308 __builtin_expect (<test>, 1).
310 * Makefile.in (builtins.o): Depend on $(PREDICT_H).
312 * rtl.h (expand_builtin_expect_jump): Add prototype.
314 2001-06-19 Geoffrey Keating <geoffk@redhat.com>
316 * doc/rtl.texi (Machine Modes): Correct description of
317 floating-point modes on machines with non-8-bit bytes.
319 2001-06-19 Bernd Schmidt <bernds@redhat.com>
321 * regmove.c (optimize_reg_copy_3): Do nothing if previous insn
322 carries a REG_EQUIV note. If it carries REG_EQUAL, delete the
325 Tue Jun 19 07:53:52 2001 Jeffrey A Law (law@cygnus.com)
327 * ssa.c (remove_phi_alternative): Remove declaration. No longer
328 static. Second argument is a pointer to a basic block structure,
329 not a basic block index.
330 (convert_to_ssa): Do not remove dead code.
331 (convert_from_ssa): Do not remove dead code to create death notes.
332 * ssa.h (remove_phi_alternative): Declare.
334 * flow.c (delete_unreachable_blocks): Fix patch error in
335 previous change (call to find_unreachable_blocks was lost).
337 * ssa.c (ssa_uses): Remove definition.
338 (apply_delayed_renames): Don't grow ssa_uses.
339 (rename_block): Remove comment related to ssa_uses.
340 (rename_registers): Do not initialize ssa_uses.
341 (convert_from_ssa): Do not free ssa_uses.
343 * ssa-dce.c: Renamed from dce.c.
344 * Makefile.in (OBJS): Replace dce.o with ssa-dce.o
345 (dependencies): Replace dce.c with ssa-dce.c and dce.o with
348 2001-06-19 Eric Christopher <echristo@redhat.com>
350 * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode
351 and DFmode are UNITS_PER_WORD and 2*UNITS_PER_WORD. Use
352 GET_MODE_BITSIZE instead of GET_MODE_SIZE/UNITS_PER_WORD.
354 Tue Jun 19 01:52:27 2001 J"orn Rennecke <amylaar@redhat.com>
356 * sh.c (output_branch): Delete bogus code.
358 * sh.c (initial_elimination_offset):
359 Fix FROM == RETURN_ADDRESS_POINTER_REGNUM case.
361 Mon Jun 18 12:50:49 2001 Jeffrey A Law (law@cygnus.com)
363 * flow.c (find_unreachable_blocks): New function.
364 (delete_unreachable_blocks): Use find_unreachable_blocks.
365 * basic-block.h (find_unreachable_blocks): Declare.
367 * dce.c (eliminate_dead_code): Fix formatting glitch.
369 2001-06-18 Jason Merrill <jason_merrill@redhat.com>
371 * c-common.h (RETURN_NULLIFIED_P): New macro.
372 * c-semantics.c (genrtl_return_stmt): Check it.
374 * expr.c (clear_storage): Set TREE_NOTHROW on the decl for memset.
375 (emit_block_move): Likewise.
377 Mon Jun 18 17:27:24 CEST 2001 Jan Hubicka <jh@suse.cz>
379 * unroll.c: Include predict.h.
380 (unroll_loop): Drop prediction notes on preconditioning.
381 * predict.def (PRED_LOOP_PRECONDITIONG, PRED_LOOP_CONDITION):
382 New; add comments on the others.
383 * Makefile.in: (unroll.o): Add dependancy on predict.h.
384 * loop.c (strength_reduce): Fix branch prediction.
386 Mon Jun 18 17:26:56 CEST 2001 Jan Hubicka <jh@suse.cz>
388 * stmt.c (emit_case_nodes): Optimize test whether index is in given
391 Mon Jun 18 15:43:10 CEST 2001 Jan Hubicka <jh@suse.cz>
393 * predict.c (estimate_probability): Do not bail out early
394 when note is present.
395 (combine_predictions_for_insn): Fix note removal code.
397 2001-06-18 Ben Elliston <bje@redhat.com>
399 * except.c (resolve_fixup_regions): Initialise "cleanup".
401 2001-06-17 Neil Booth <neil@daikokuya.demon.co.uk>
403 * tm.texi: Document STDC_0_IN_SYSTEM_HEADERS.
405 Sat Jun 16 20:20:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
407 * expr.c (expand_expr, case ADDR_EXPR): If taking address of SAVE_EXPR,
408 use put_var_into_stack.
410 2001-06-16 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
412 * gccspec.c (lang_specific_driver): If compiling ObjC, add
413 -shared-libgcc when necessary.
414 * Makefile.in (gccspec.o): Compile with DRIVER_DEFINES.
416 2001-06-16 Daniel Berlin <dan@cgsoftware.com>
418 * bitmap.h: Add dump_bitmap, bitmap_zero, bitmap_union_of_diffs,
419 bitmap_a_or_b, bitmap_a_and_b, bitmap_first_set_bit,
420 bitmap_last_set_bit. All for compatibility with sbitmap's.
422 *bitmap.c (bitmap_zero): New function.
423 (bitmap_union_of_diffs): New function.
424 (bitmap_first_set_bit): New function.
425 (bitmap_last_set_bit): New function.
427 2001-06-16 Neil Booth <neil@daikokuya.demon.co.uk>
429 * cpp.texi, invoke.texi: Update.
430 * cpp.1, gcc.1: Regenerate.
432 Sat Jun 16 12:45:20 CEST 2001 Jan Hubicka <jh@suse.cz>
434 * i386.md (minsf): Fix splitter. (PR fortran/3191)
436 2001-06-16 Neil Booth <neil@daikokuya.demon.co.uk>
438 * doc/cpp.texi: Update.
439 * doc/cpp.1: Regenerate.
441 2001-06-15 Loren J. Rittle <ljrittle@acm.org>
443 * doc/install.texi: Use correct markup hints.
445 Fri Jun 15 18:05:22 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
447 * function.c (gen_mem_addressof): Handle case where DECL is SAVE_EXPR.
449 * explow.c (expr_size): If DECL and size specified, use it.
451 2001-06-15 Zack Weinberg <zackw@stanford.edu>
453 * doc/cpp.texi: Formatting corrections.
454 Correct buggy example of use of __GNUC__ etc.
455 Clarify $ in identifiers.
456 * doc/cpp.1: Regenerate.
458 Fri Jun 15 19:35:38 CEST 2001 Jan Hubicka <jh@suse.cz>
460 * optabs.c (expand_twoval_binop): Avoid undefined behaviour.
462 2001-06-15 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
464 * doc/install.texi (Specific, alpha*-*-*): Fixed Tru64 UNIX
466 (Specific, alpha-*-osf1): Renamed to alpha*-*-osf*.
467 Added Tru64 UNIX V5.1 bootstrap hints.
468 (Specific, alpha*-*-osf*): Removed old section, obsolete.
470 2001-06-15 Andreas Jaeger <aj@suse.de>
472 * doc/install.texi (Specific): Mention that glibc cannot be
473 compiled with GCC 3.0.
475 2001-06-14 Andrew Haley <aph@cambridge.redhat.com>
477 * combine.c (nonzero_bits): Don't optimize away division by
480 2001-06-15 Zack Weinberg <zackw@stanford.edu>
482 * doc/cpp.texi: Revised and brought up to date.
483 * doc/cpp.1: Regenerate.
485 2001-06-15 Loren J. Rittle <ljrittle@acm.org>
487 * doc/install.texi: Update --enable-threads to match reality.
489 2001-06-15 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
491 * doc/install.texi: Update for C4x.
492 * README.C4X: Remove.
494 2001-06-14 Joseph S. Myers <jsm28@cam.ac.uk>
496 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
497 doc/gcc.texi, doc/install.texi, doc/invoke.texi, doc/md.texi,
498 doc/objc.texi, doc/rtl.texi, doc/tm.texi: Fix spelling and typos.
499 Consistently use "built-in" and "bit-field". Minor logical markup
501 * doc/gcc.1: Regenerate.
503 2001-06-14 Richard Henderson <rth@redhat.com>
505 * config/mips/mips.md (exception_receiver): New.
507 2001-06-14 Daniel J. Berlin <dan@cgsoftware.com>
509 * doc/gcc.texi: Update passes documentation to be more in tune
512 Thu Jun 14 15:38:28 CEST 2001 Jan Hubicka <jh@suse.cz>
514 * i386.c (ix86_expand_prologue): Fix merging conflict.
516 2001-06-14 Joseph S. Myers <jsm28@cam.ac.uk>
518 * doc/c-tree.texi, doc/contrib.texi, doc/extend.texi,
519 doc/gcc.texi, doc/gcov.texi, doc/install-old.texi,
520 doc/invoke.texi, doc/md.texi, doc/rtl.texi, doc/tm.texi: Use more
521 logical markup. Use TeX quotes and dashes. Use @dots{} and
522 @minus{}. Avoid spaces inside @var. Update last modification
524 * doc/gcc.1, doc/gcov.1: Regenerate.
526 Thu Jun 14 12:44:15 CEST 2001 Jan Hubicka <jh@suse.cz>
528 * i386.c (x86_accumulate_outgoing_args, x86_prologue_using_move,
529 x86_epilogue_using_move): New global variables.
530 (override_options): Enable ACCUMULATE_OUTGOING_ARGS if preferred.
531 (ix86_emit_save_regs_using_mov): New static function.
532 (ix86_expand_prologue, ix86_expand_epilogue): Use moves if preferred.
533 * i386.h (MASK_MMX, MASK_SSE, MASK_SSE2, MASK_128BIT_LONG_DOUBLE,
534 MASK_MIX_SSE_I387): Renumber.
535 (MASK_NO_ACCUMULATE_OUTGOING_ARGS): New.
536 (x86_accumulate_outgoing_args, x86_prologue_using_move,
537 x86_epilogue_using_move): Declare.
538 (TARGET_PROLOGUE_USING_MOVE, TARGET_EPILOGUE_USING_MOVE): New.
540 2001-06-13 John David Anglin <dave@hiauly1.hia.nrc.ca>
542 * inclhack.def (hpux10_cpp_pow_inline): New hack.
544 2001-06-13 Richard Henderson <rth@redhat.com>
546 * ifcvt.c (dead_or_predicable): Fix return value last patch.
548 2001-06-13 Mark Mitchell <mark@codesourcery.com>
552 2001-06-13 Richard Henderson <rth@redhat.com>
554 * ifcvt.c (cond_exec_get_condition): Use reversed_comparison_code.
555 (cond_exec_process_if_block, dead_or_predicable): Likewise.
557 2001-06-13 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
559 * mips-tfile.c (copy_object): Always pass indexNil for symbol
562 2001-06-13 Kazu Hirata <kazu@hxi.com>
564 * config/h8300/h8300.h (OK_FOR_T): Remove.
565 (EXTRA_CONSTRAINT): Do not use OK_FOR_T.
566 * config/h8300/h8300.md: Remove alternatives involving inc and dec
567 in the helper patterns for addhi3 and addsi3.
569 2001-06-13 Phil Edwards <pme@sources.redhat.com>
571 * doc/contrib.texi: Link to libstdc++'s thanks.html for now.
573 2001-06-13 Zack Weinberg <zackw@stanford.edu>
575 * Makefile.in: Move _bb and __gcc_bcmp to LIB2FUNCS_ST.
576 * libgcc-std.ver: Take out __bb* and __gcc_bcmp.
578 * config/t-slibgcc-elf-ver, config/t-slibgcc-sld,
579 config/alpha/t-osf4, config/mips/t-iris6: Extract all
580 references to @shlib_map_file@, @shlib_objs@, or
581 @shlib_base_name@ to Makefile variables.
582 Bump soname version of libgcc to 1.
584 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
586 * doc/install.texi: Use more logical markup. Include @node
587 commands in the source when generating any non-HTML.
589 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
591 * README: Remove. Some of the contents moved to ../README.
593 2001-06-13 Alexandre Oliva <aoliva@redhat.com>
595 * doc/install.texi (--enable-shared): List package names
598 2001-06-13 Alexandre Oliva <aoliva@redhat.com>
600 * doc/install.texi (ix86-*-solaris*): Removed, outdated.
601 (*-*-solaris*): Document problem in /bin/sh that affects
602 configuring libraries.
603 (sparc-*-solaris*): Recommend GNU binutils 2.11.1 or vendor tools.
604 (*-sun-solaris2.8): Document linker problem that explains why
605 libjava is disabled by default.
607 2001-06-09 Mark Mitchell <mark@codesourcery.com>
610 * toplev.c (rest_of_compilation): Remove dead code before
613 2001-06-12 Alexandre Oliva <aoliva@redhat.com>
616 2001-06-07 Nathan Sidwell <nathan@codesourcery.com>
617 * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
618 * configure: Rebuilt.
620 2001-06-12 Jim Wilson <wilson@redhat.com>
622 * loop.c (strength_reduce): Move bl->all_reduced set before
623 check_ext_dependant_givs call.
624 (check_ext_dependant_givs): Clear bl->all_reduced when ignoring givs.
626 2001-06-12 Alexandre Oliva <aoliva@redhat.com>
628 * doc/extend.texi (Function Attributes): Document SH's sp_switch
631 2001-06-13 Joseph S. Myers <jsm28@cam.ac.uk>
633 * doc/invoke.texi: Use more logical markup. Use TeX quotes,
636 2001-06-12 Richard Henderson <rth@redhat.com>
638 * config/i386/i386.c (ix86_expand_prologue): Always use
639 gen_pro_epilogue_adjust_stack; update arguments.
640 (ix86_expand_epilogue): Likewise.
641 (ix86_emit_epilogue_esp_adjustment): Remove.
642 (ix86_adjust_cost): Remove pro_epilogue_adjust_stack hack.
643 * config/i386/i386.md (pro_epilogue_adjust_stack): Use a BLKmode
644 clobber of scratch memory instead of a modification of EBP as the
645 barrier. Update all peepholes to match.
647 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
649 * doc/gcc.texi: Change the font used for @def... commands to a
651 * doc/extend.texi: Use more logical markup. Use "built-in"
652 instead of "builtin". Use @deftypefn to mark up built-in
653 functions; specify their types in the @deftypefn and not in the
654 descriptive text. Use TeX quotes and dashes. Add more index
657 2001-06-12 lars brinkhoff <lars@nocrew.org>
659 * gcc.texi (HOST_BITS_PER_LONGLONG): Document.
660 (DIR_SEPARATOR_2): Likewise.
662 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
664 * doc/install.texi (--exec-prefix, --bindir, --libdir,
665 --with-slibdir, --infodir, --mandir, --with-cpp-install-dir):
667 (--enable-cpp): Change to document --disable-cpp instead; update
668 to reflect current default.
669 (--without-fast-fixincludes): Remove documentation.
670 (Final install): Document installation directories in more
671 detail. Document use of make dvi.
673 Tue Jun 12 19:01:43 CEST 2001 Jan Hubicka <jh@suse.cz>
675 * recog.c (validate_replace_rtx_1): Fix previous patch.
677 Tue Jun 12 17:25:39 CEST 2001 Jan Hubicka <jh@suse.cz>
679 * recog.c (validate_replace_rtx_1): Do plus_constant call always.
681 Tue Jun 12 17:24:07 CEST 2001 Jan Hubicka <jh@suse.cz>
683 * simplify-rtx.c (simplify_subreg): Allow volatile memory
684 to be subregged in case we don't have move instruction.
686 Tue Jun 12 12:20:12 CEST 2001 Jan Hubicka <jh@suse.cz>
688 * loop.c: Include predict.h
689 (strength_reduce): Drop branch prediction note in case
690 number of iterations is known.
691 * predict.def (PRED_LOOP_ITERATIONS): new.
692 * Makefile.in (loop.o): Add dependancy on predict.h
694 2001-06-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
696 * c-decl.c (grokdeclarator): Use INTEGRAL_TYPE_P.
698 * c-typeck.c (c_start_case): Likewise.
700 2001-06-12 Mark Mitchell <mark@codesourcery.com>
702 * expr.c (store_field): Don't set MEM_ALIAS_SET for a field
703 in a structure at a variable address.
705 2001-06-12 Joseph S. Myers <jsm28@cam.ac.uk>
707 * doc/gcov.texi: Use more logical markup.
709 2001-06-11 Mark Mitchell <mark@codesourcery.com>
711 * unroll.c (initial_reg_note_copy): Use PUT_REG_NOTE_KIND and
712 REG_NOTE_KIND, not PUT_MODE and GET_MODE.
713 (final_reg_note_copy): Remove REG_WAS_0 notes that are no longer
716 2001-06-11 Stan Shebs <shebs@apple.com>
718 * darwin.h (ASM_FILE_END): Remove decl of language_string.
720 2001-06-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
722 * config/m68hc11/m68hc11.md ("*lshrdi3_const32"): Mark the clobber
723 as an early clobber to make sure it is not used by reload in
726 2001-06-11 Mark Mitchell <mark@codesourcery.com>
728 * doc/c-tree.texi: Update information about flag_honor_std.
729 * doc/install.texi: Note that binutils is required on HPUX 11.
730 * doc/invoke.texi (-fhonor-std): Note that -fno-honor-std is
733 * config/mips/abi64.h (RETURN_IN_MEMORY): Fix handling of
734 variable-sized types.
736 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
738 * doc/md.texi: Use TeX dashes and quotes.
740 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
742 * doc/rtl.texi: Reference manual chapter about trees.
744 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
746 * config/mips/iris6.h (NO_BUILTIN_WINT_TYPE): Define.
747 (WINT_TYPE): Override.
748 (WINT_TYPE_SIZE): Likewise.
749 (SUBTARGET_CPP_SIZE_SPEC): Define __WINT_TYPE__ as appropriate.
751 * config/sparc/sol2.h (WINT_TYPE): Define.
752 (WINT_TYPE_SIZE): Likewise.
754 * config/sparc/sol2-sld-64.h (NO_BUILTIN_WINT_TYPE): Define.
755 (WINT_TYPE): Override.
756 (WINT_TYPE_SIZE): Likewise.
757 (CPP_ARCH32_SPEC): Add __WINT_TYPE__ definition.
758 (CPP_ARCH64_SPEC): Likewise.
760 2001-06-11 Richard Henderson <rth@redhat.com>
762 * unwind-dw2-fde.c (__deregister_frame_info): Don't play games
763 with alias attribute.
765 * config/linux.h (CPLUSPLUS_CPP_SPEC): Use %(cpp) not $(cpp_cpu).
766 * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): Likewise.
768 2001-06-11 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
770 * config/rs6000/linux.h (CPLUSPLUS_CPP_SPEC): New.
772 2001-06-11 Stan Shebs <shebs@apple.com>
774 * darwin.c (darwin_encode_section_info): Rewrite to simplify
775 and fix coding mistakes.
777 2001-06-11 Nick Clifton <nickc@cambridge.redhat.com>
779 * config/m32r/m32r.md (movstrsi_internal): Do not expect a
780 return string from m32r_output_block_move.
781 * config/m32r/m32r-protos.h: Make m32r_output_block_move a
783 * config/m32r/m32r.h (INT32_P): Rename to UNIT32_P and remove
785 (ROUND_ADVANCE): Remove signed/unsigned conflict.
786 * config/m32r/m32r.c: Declare prototypes for static functions.
787 (move_src_operand): Replace INT32_P with UINT32_P.
788 (function_arg_partial_nregs): Fixed signed/unsigned conflict
789 in initialisation of 'size'.
790 (m32r_sched_reord): Remove redundant declarations of 'code'.
791 (m32r_output_block_move): Change to a void function.
792 (m32r_encode_section_info): Cast return of
793 TREE_STRING_POINTER to avoid compile time warning.
795 2001-06-11 Richard Henderson <rth@redhat.com>
797 * config/alpha/osf5.h (TARGET_LD_BUGGY_LDGP): New.
798 * config/alpha/alpha.h (TARGET_LD_BUGGY_LDGP): Default.
799 (struct machine_function): Add gp_save_rtx.
800 * config/alpha/alpha.c (alpha_mark_machine_status): Mark it.
801 (alpha_gp_save_rtx): New.
802 * config/alpha/alpha-protos.h: Declare it.
803 * config/alpha/alpha.md (exception_receiver): Make an expander.
804 Use alpha_gp_save_rtx if TARGET_LD_BUGGY_LDGP.
806 2001-06-11 Richard Henderson <rth@redhat.com>
808 * config/alpha/osf.h (LINK_SPEC): Hide _GLOBAL_* symbols.
810 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
812 * configure.in: Align --help messages.
813 Remove trailing full stops.
814 Consistently use lower case.
815 Fix DWARF 2 spelling.
816 * configure: Rebuilt.
818 2001-06-11 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
820 * config/alpha/alpha.h (CPP_SPEC): Don't define __LANGUAGE_C and
821 variants for .cpp/.cp/.c++ files.
822 Move definition of __LANGUAGE_C_PLUS_PLUS ...
823 (CPLUSPLUS_CPP_SPEC): ... here.
825 Mon Jun 11 15:47:45 CEST 2001 Jan Hubicka <jh@suse.cz>
827 * jump.c (duplicate_loop_exit_test): Fix loop header heuristics.
829 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
831 * c-decl.c (store_parm_decls): When comparing types in an
832 old-style function declaration with those from a previous
833 prototype, compare the unqualified versions of parameter types.
836 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
838 * doc/objc.texi: Use more logical markup. Use TeX dashes.
840 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
842 * doc/c-tree.texi: Use more logical markup.
844 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
846 * c-decl.c (xref_tag): Don't return previous tags of wrong type.
848 2001-06-11 Aldy Hernandez <aldyh@redhat.com>
850 * loop.c (scan_loop): Do not combine asm statements.
852 2001-06-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
854 * simplify-rtx.c (simplify_subreg): Fix offset calculation
855 for complex values within a CONCAT.
857 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
859 * doc/install.texi: Update details of what components are included
860 in the GCC distribution. Update default directory for g++
861 includes. Update documentation relating to old libio. Adjust
862 documentation on DejaGnu environment variables. Remove
863 documentation of --enable-cpplib.
865 2001-06-11 Joseph S. Myers <jsm28@cam.ac.uk>
867 * doc/contrib.texi: Fix alphabetical order. Fix typos. Improve
870 2001-06-10 Richard Henderson <rth@redhat.com>
872 * ifcvt.c (life_data_ok): New.
873 (merge_if_block): Use it to determine whether to update
875 (if_convert): Set it.
877 2001-06-10 Richard Henderson <rth@redhat.com>
879 * config/alpha/osf5.h (ASM_OLDAS_SPEC): Add -c.
881 2001-06-10 Alexandre Oliva <aoliva@redhat.com>
883 * doc/invoke.texi (MN10300 Options): Document -mno-crt0.
884 (SH Options): Document -mieee.
885 * doc/install.texi (Final install): Remove obsolete information
886 about installing cross compilers.
887 * doc/gcc.1: Rebuilt.
889 2001-06-10 Richard Henderson <rth@redhat.com>
891 * config/alpha/alpha.c (override_options): Set align_loops,
892 align_jumps, and align_functions.
893 * config/alpha/alpha.h (FUNCTION_BOUNDARY): Set to 32 bits.
894 (LOOP_ALIGN, LABEL_ALIGN_AFTER_BARRIER): Remove.
896 2001-06-11 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
898 * emit-rtl.c (gen_lowpart_common): Do not assume that SFmode and DFmode
899 are one and two words in size.
901 2001-06-10 Richard Henderson <rth@redhat.com>
903 * doc/invoke.texi (Optimization Options): Document -fpeephole2.
904 (Code Generation Options): Document -fnon-call-exceptions.
906 2001-06-10 Mark Kettenis <kettenis@gnu.org>
908 * config/i386/gnu.h (MD_FALLBACK_FRAME_STATE_FOR): Undefine.
910 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
912 * m68hc11.md (peepholes): Remove unused and wrong peepholes.
914 2001-06-10 Mark Mitchell <mark@codesourcery.com>
915 Gabriel Dos Reis <gdr@codesourcery.com>
917 * Makefile.in (c-parse.o): Depend on diagnostic.h
918 (dwarf2out.o): Likewise.
920 * dwarf2out.c: #include diagnostic.h
922 * toplev.h (warningcount, errorcount, sorrycount): Remove
925 * toplev.c (warningcount, errorcount, sorrycount): Remove
928 * diagnostic.h (struct output_buffer): Reorder fields.
929 (diagnostic_kind_count): New macro.
930 (errorcount, warningcount, sorrycount): Define as macros.
931 (diagnostic_report_warnings_p): New macro.
932 (output_state): Add diagnostic_count field.
934 * diagnostic.c (warningcount, errorcount, inhibit_warnings):
935 Remove tentative declaration.
936 (count_error): Use diagnostic_report_warnings_p.
938 * c-parse.in: #include diagnostic.h
940 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
942 * config/m68hc11/m68hc11.md ("extendhisi2"): Fix constraints to
943 prefer a memory for operand 1.
944 ("*addsi3"): Fix constraints, the '!' was too strong.
945 ("*addsi3_split"): Accept soft register and split accordingly.
947 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
949 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
950 Move definition in the RTX_CODE section.
952 2001-06-10 Stephane Carrez <Stephane.Carrez@worldnet.fr>
954 * config/m68hc11/m68hc11.h (RETURN_ADDR_RTX): Define the return
955 address as relative to the argument pointer.
957 Sun Jun 10 10:58:53 CEST 2001 Jan Hubicka <jh@suse.cz>
959 * predict.def (PRED_OPCODE): Place before call and error_return.
961 Sun Jun 10 10:00:17 CEST 2001 Jan Hubicka <jh@suse.cz>
963 * predict.def (PRED_CALL, PRED_ERROR_RETURN): New.
964 * predict.c (estimate_probability): Calculate dominance
965 information; improve detection of NORETURN heuristics;
966 add call/error_return heuiristics; tweak comparison heuristics
969 2001-06-09 Alexandre Oliva <aoliva@redhat.com>
971 * doc/invoke.texi (C Dialect Options): Document -aux-info.
972 (Debugging Options): Document -print-multi-directory and
974 * doc/gcc.1: Rebuilt.
976 * toplev.c (independent_decode_option): Require `=' between
977 `-aux-info' and filename in the same argument.
978 * gcc.c: Don't pass -aux-info=filename twice.
980 2001-06-09 Mark Mitchell <mark@codesourcery.com>
982 * expr.c (expand_expr, case ARRAY_REF): Do not replace
983 an array element with the known initializing value if it has
986 * toplev.c (rest_of_compilation): Remove dead code before
989 2001-06-09 Neil Booth <neil@daikokuya.demon.co.uk>
991 * cppinit.c (print_help): Document -fpreprocessed.
992 * invoke.texi: Similarly.
994 Sun Jun 10 00:35:37 CEST 2001 Jan Hubicka <jh@suse.cz>
996 * predict.def: New file.
997 * predict.h: New file.
998 * predict.c: Include predict.h.
999 (predictor_info): New structure and array.
1000 (predict_edge, predict_insn): Rewrite; make global.
1001 (predict_edge_def, predict_insn_def): New global functions.
1002 (dump_prediction, combine_predictions_for_insns): New
1004 (estimate_probability): Change calls to predict_edge
1005 to predict_edge_def and calls to predict_insn to predict_insn_def;
1006 combine probabilities.
1007 (expected_value_to_br_prob): Behave as predictor.
1008 * rtl.h (REG_BR_PRED): Update coment.
1009 (invert_br_probabilities): New.
1010 * jump.c: Include predict.h
1011 (duplicate_loop_exit_test): Drop branch prediction notes.
1012 (invert_jump): Use invert_br_probabilities.
1013 * Makefile.in: Add dependancy on predict.h for jump and predict pass.
1014 * ifcvt.c (dead_or_predicable): Use invert_br_probabilities.
1015 * combine.c (distribute_notes): Handle BR_PRED.
1017 Sat Jun 9 23:29:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1019 * predict.c (predict_insn, predict_edge): New static functions.
1020 (estimate_probability): Revamp to use new functions;
1021 fix loop header heruistics; add loop exist heruistics
1023 2001-06-09 Alexandre Oliva <aoliva@redhat.com>
1025 * config.gcc: Re-enable bi-arch sparc on Solaris 7 and above.
1027 2001-06-09 Peter Jakubek <pjak@snafu.de>
1029 * config/m68k/m68k.md (ashrdi_const): Fix right shift by 16.
1031 2001-06-09 John David Anglin <dave@hiauly1.hia.nrc.ca>
1033 * vax.h (NOTICE_UPDATE_CC): Set CC_NO_OVERFLOW in cc_status.flags
1034 for integer operations that don't update C bit.
1036 2001-06-09 Nicola Pero <nicola@brainstorm.co.uk>
1038 * gthr-posix.h (__gthread_objc_init_thread_system): If
1039 pthread_key_create fails, it's not clear what the return value is.
1040 This obvious fix makes sure it always returns -1 if a problem
1043 2001-06-09 Joseph S. Myers <jsm28@cam.ac.uk>
1045 * doc/gcc.texi: Use @defcodeindex for the index of options. Add
1046 more index entries. Use more logical markup where appropriate.
1047 Use TeX quotes and dashes.
1049 2001-06-09 Benjamin Kosnik <bkoz@redhat.com>
1051 * unwind-pe.h: Conditionally qualify references to abort with
1054 2001-06-09 Julian Foad <julian_foad@hotmail.com>
1056 * doc/invoke.texi: Remove superfluous text.
1058 2001-06-08 Richard Henderson <rth@redhat.com>
1060 * config/alpha/linux.h (CPLUSPLUS_CPP_SPEC): New.
1061 (LIB_SPEC): Mirror config/linux.h version.
1063 2001-06-08 Richard Henderson <rth@redhat.com>
1065 * except.c (get_exception_pointer, get_exception_filter): Take a
1066 struct function. Update all callers.
1067 * except.h (get_exception_pointer): Update declaration.
1068 * expr.c (expand_expr): Update get_exception_pointer call.
1069 * integrate.c (expand_inline_function): Remap the exception pointer
1070 from callee to caller.
1072 2001-06-08 Mark Mitchell <mark@codesourcery.com>
1074 * c-decl.c (grokdeclarator): Make the TREE_TYPE for declarations
1075 accurately reflect its cv-qualification.
1076 * c-typeck.c (type_lists_compatible_p): Ignore the top-levl
1077 cv-qualifiers on function types.
1079 2001-06-08 Mark Mitchell <mark@codesourcery.com>
1081 * basic-block.h: Improve comments.
1082 * except.c (expand_eh_region_end_allowed): Remove redundant call
1083 to do_pending_stack_adjust.
1084 * flow.c (life_analysis): Fix typo in comment.
1085 (calculate_global_regs_live): Add documentation.
1086 (mark_set_1): Likewise.
1087 (debug_regset): Likewise.
1088 * doc/rtl.texi (cond_exec): Document it.
1090 Fri Jun 8 21:52:51 CEST 2001 Jan Hubicka <jh@suse.cz>
1092 * i386.h (CONST_COSTS): set cost of constants representable in
1093 immediate fields to 0.
1095 Fri Jun 8 21:34:54 CEST 2001 Jan Hubicka <jh@suse.cz>
1097 * function.c (diddle_return_value): Kill code to determine
1098 return value before expand_function_end.
1099 (expand_function_end): Delay call to clobber_return_register
1100 after fucntion return value is computed.
1102 Re-install temporary reverted patch:
1103 * toplev.c (rest_of_compilation): Call split_all_insns
1104 before reg-stack and shorten-branches. Do shorten-branches
1106 * final.c (shorten_branches): Remove insn splitting code.
1108 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1110 * doc/gcc.texi, doc/invoke.texi: Add index of command line
1111 options. Use @opindex to index them rather than other indexing
1112 commands. Use @var{...} instead of <...>. Avoid spaces in names
1113 inside @var. Don't use @kindex to index escape sequences in
1116 2001-06-08 Jason Merrill <jason_merrill@redhat.com>
1118 * stmt.c (current_nesting_level): New fn.
1119 * tree.h: Declare it.
1120 * c-semantics.c (genrtl_compound_stmt): Use it.
1122 * dbxout.c (dbxout_symbol): Use DECL_RTL_SET_P.
1124 2001-06-08 Jakub Jelinek <jakub@redhat.com>
1126 * jump.c (mark_modified_reg): Allow jump threading if condition
1127 codes are represented by a hard register.
1129 2001-06-08 Jakub Jelinek <jakub@redhat.com>
1131 * config/ia64/ia64.c (ia64_function_arg): Use [SDT]Fmode as gr_mode
1132 for complex floats passed to unprototyped functions.
1134 2001-06-08 Mark Mitchell <mark@codesourcery.com>
1136 * except.c (expand_eh_region_end_allowed): Call
1137 do_pending_stack_adjust as necessary.
1139 Fri Jun 8 14:16:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1141 * function.c (clobber_return_register): Clobber the pseudo return
1144 * sibcall.c (skip_unreturned_value): New function.
1145 (call_ends_block_p): Use it.
1147 * recog.c (split_insn): Break out from ...
1148 (split_all_insns): ... here; do not use basic block information
1151 Thu Jun 7 18:27:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1153 * simplify-rtx.c (simplify_subreg): Fix verification of
1156 2001-06-08 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1158 * config/mips/mips.h (CPP_SPEC): Simplify .s/.S handling.
1159 Don't define _LANGUAGE_C and variants for .cpp/.cp/.c++ files.
1160 Move definition of _LANGUAGE_C_PLUS_PLUS ...
1161 (CPLUSPLUS_CPP_SPEC): ... here.
1162 Fixes PRs c++/3047, target/441.
1164 2001-06-08 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1166 * doc/install.texi2html (MAKEINFO): Keep value if set already.
1168 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1170 * doc/gcc.texi: Add trailing slash to URL.
1172 2001-06-07 Stan Shebs <shebs@apple.com>
1174 * config/darwin.h (ENCODE_SECTION_INFO): Define.
1175 (REDO_SECTION_INFO_P): Ditto.
1176 (STRIP_NAME_ENCODING): Ditto.
1177 (ASM_DECLARE_OBJECT_NAME): Use ENCODE_SECTION_INFO.
1178 (ASM_OUTPUT_ALIGNED_DECL_LOCAL): Ditto.
1179 (ASM_OUTPUT_LABELREF): Use STRIP_NAME_ENCODING.
1180 (GEN_LAZY_PTR_NAME_FOR_SYMBOL): Ditto.
1181 * config/darwin.c: No longer include c-tree.h.
1182 (machopic_classify_ident): Rewrite to use symbol encoding.
1183 (lookup_name_darwin): Remove.
1184 (machopic_non_lazy_ptr_name): Handle encoded symbols.
1185 (machopic_stub_name): Use STRIP_NAME_ENCODING.
1186 (machopic_validate_stub_or_non_lazy_ptr): Ditto.
1187 (machopic_finish): Ditto, remove test of decl.
1188 (update_non_lazy_ptrs): New function.
1189 (darwin_encode_section_info): New function.
1190 * config/darwin-protos.h: Declare it.
1191 * config/rs6000/rs6000.c (machopic_output_stub): Use
1192 STRIP_NAME_ENCODING.
1194 2001-06-07 Mark Mitchell <mark@codesourcery.com>
1196 * tree.h (DECL_SOURCE_FILE): Improve documentation.
1197 (DECL_SOURCE_LINE): Likewise.
1199 2001-06-07 Loren J. Rittle <ljrittle@acm.org>
1201 * config/alpha/elf.h (MAKE_DECL_ONE_ONLY): Copy definition
1202 from config/elfos.h.
1204 2001-06-07 Phil Edwards <pme@sources.redhat.com>
1206 * linux.h (CPLUSPLUS_CPP_SPEC): Move -D_GNU_SOURCE to here.
1207 * pa/pa-linux.h: Allow CPLUSPLUS_CPP_SPEC to remain.
1209 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1211 * doc/contrib.texi: Add copyright notice.
1213 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1215 * doc/md.texi: Use four digit years in copyright notice.
1217 2001-06-08 Joseph S. Myers <jsm28@cam.ac.uk>
1219 * config.gcc: For $target_alias of athlon-*, set
1220 target_cpu_default2=5.
1222 Thu Jun 7 16:17:40 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1224 * global.c (build_insn_chain): Allow ADDR_VEC or ADDR_DIF_VEC after
1225 end of last block if last real insn is a JUMP_INSN.
1227 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
1231 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1233 * gthr-posix.h (__gthread_objc_thread_detach): Simply cast
1234 pthread_t to objc_thread_t.
1235 (__gthread_objc_thread_id): Likewise.
1237 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1239 * alpha/osf5.h (CPP_XFLOAT_SPEC): Override default definition.
1240 (ASM_OLDAS_SPEC): Likewise.
1242 * alpha/osf.h (CPP_XFLOAT_SPEC): Define.
1243 (CPP_SUBTARGET_SPEC): Use it.
1244 (ASM_OLDAS_SPEC): Define.
1246 (SUBTARGET_EXTRA_SPECS): Define, declare the new specs above.
1248 2001-06-07 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1250 * config/alpha/alpha.c (alpha_va_arg): Handle TFmode, TCmode args,
1251 passed by reference.
1253 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
1255 * doc/tm.texi (TARGET_SWITCHES, TARGET_OPTIONS): Adjust markup.
1256 Document use of N_(...), and show it in examples. Note that
1257 documentation should be added to invoke.texi. Avoid an overfull
1260 Thu Jun 7 17:09:50 CEST 2001 Jan Hubicka <jh@suse.cz>
1262 * toplev.c (rest_of_compilation): Revert previous patch.
1263 * final.c (shorten_branches): Likewise.
1265 2001-06-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1267 * pself.c, pself1.c, pself2.c, pself3.c, pself4.c, pself5.c:
1270 2001-06-07 Joseph S. Myers <jsm28@cam.ac.uk>
1272 * doc/install-old.texi: Remove more obsolete documentation.
1274 Thu Jun 7 13:20:14 CEST 2001 Jan Hubicka <jh@suse.cz>
1276 * expr.c (copy_blkmode_from_reg): Fix operand_subword_force call.
1278 Thu Jun 7 12:12:58 CEST 2001 Jan Hubicka <jh@suse.cz>
1280 * toplev.c (rest_of_compilation): Call split_all_insns
1281 before reg-stack and shorten-branches. Do shorten-branches
1283 * final.c (shorten_branches): Remove insn splitting code.
1285 2001-06-07 Nathan Sidwell <nathan@codesourcery.com>
1287 * configure.in (sparc*-*-*): Check assembler R_SPARC_UA32 support.
1288 * configure: Rebuilt.
1290 2001-06-07 Andreas Jaeger <aj@suse.de>
1292 * emit-rtl.c (operand_subword): Remove unused variable.
1294 Wed Jun 6 14:51:05 CEST 2001 Jan Hubicka <jh@suse.cz>
1296 * i386.md (floatdi?f): Avoid usinf of SSE instructions
1297 if TARGET_64BIT is false.
1298 (floatdi?f_i386_only): New insn.
1299 (floatdi?f_i386): Disable for !TARGET_64BIT.
1301 * (min?f, max?f splitters): Handle case where
1302 operands are cross-matched.
1304 * i386.h (HI_REGISTER_NAMES): Remove redundant definition
1305 (MMX_REGISTER_NAMES): Kill.
1306 (PRINT_OPERAND): Fix comment.
1307 (PRINT_REG): Likewise.
1308 * i386.c (print_reg): Kill support for 'm' CODE; simplify.
1309 (print_operand): Update comment; kill 'm'.
1311 * i386.c (x86_branch_hints): New global variable
1312 (print_operand): Support outputting of branch prediction hints.
1313 * i386.md (conditional jump patterns): Add branch prediction hints
1315 * i386.h (x86_branch_hints): Declare
1316 (TARGET_BRANCH_PREDICTION_HINTS): New macro.
1317 (PRINT_OPERAND_FUNCT_VALID_P): New.
1318 * final.c (final_forward_branch_p): New function.
1320 2001-06-06 Richard Henderson <rth@redhat.com>
1322 * flow.c (mark_used_reg): Clean up looping over multiple hard
1323 registers. Do conditional life bits across multiple hard regs.
1325 2001-06-05 Jeffrey D. Oldham <oldham@codesourcery.com>
1327 * reload1.c (reload): Revert Schmidt's change so all USEs are not
1328 deleted during reload.
1330 2001-06-05 Mark Mitchell <mark@codesourcery.com>
1332 * c-semantics.c (genrtl_scope_stmt): Write out nested inline
1333 functions here, instead of ...
1334 * c-decl.c (c_expand_body): ... here.
1336 2001-06-05 David O'Brien <obrien@FreeBSD.org>
1338 * config.gcc, config/sparc/bsd.h: Do not directly include
1339 sparc/sparc.h. Instead do it via tm_file.
1341 2001-06-05 Richard Henderson <rth@redhat.com>
1343 * dwarf2.h (DW_EH_PE_aligned): New.
1344 * dwarf2asm.c (eh_data_format_name): Name it.
1345 (dw2_asm_output_encoded_addr_rtx): Align for it.
1346 * dwarf2out.c (output_call_frame_info): Handle it for personality
1347 routine and LSDA pointers.
1349 * unwind-pe.h (DW_EH_PE_aligned): New.
1350 (base_of_encoded_value): Handle it.
1351 (read_encoded_value_with_base): Likewise.
1352 * unwind-dw2-fde.c (base_from_object): Likewise.
1353 (get_cie_encoding): Likewise.
1355 * config/alpha/elf.h: Remove ecoff commentary.
1356 * config/alpha/osf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1358 2001-06-05 David O'Brien <obrien@FreeBSD.org>
1360 * config.gcc, config/i386/bsd386.h: Do not directly include
1361 i386/386bsd.h. Instead do it via tm_file.
1363 2001-06-05 David O'Brien <obrien@FreeBSD.org>
1365 * elfos.h (USING_ELFOS_H): Identify the use of elfos.h in the same
1368 2001-06-05 Pascal Obry <obry@act-europe.fr>
1370 * configure.in: Quote $enable_win32_registry in case the value has
1374 2001-06-05 Mark Mitchell <mark@codesourcery.com>
1376 * print-rtl.c (xspaces): Remove.
1377 (print_rtx): Use printf field-width, rather than xpsaces, to
1379 * toplev.c (main): Disable sibling-call optimization if we are
1380 handling exceptions.
1382 2001-06-05 Bernd Schmidt <bernds@redhat.com>
1384 * reload1.c (reload): Delete all USEs generated during reload.
1386 2001-06-05 scott snyder <snyder@fnal.gov>
1388 * gccbug.in: Fix typo.
1390 2001-06-05 Andreas Jaeger <aj@suse.de>
1392 * builtins.def: Fix definition of __builtin_cosf, it uses float as
1393 parameter and return value.
1395 2001-06-04 Anthony Green <green@redhat.com>
1397 * config/sparc/elf.h (CPP_PREDEFINES): Don't assert cpu or
1398 machine. This is now done in sparc.h.
1400 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
1402 Correct CVS resurrection of invoke.texi.
1403 * doc/invoke.texi: Document new tree dump flags.
1405 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
1407 * c-typeck.c (build_c_cast): Use TYPE_MAIN_VARIANT when checking
1408 for casting an aggregate to its own type. Fixes PR c/2735.
1410 2001-06-05 Joseph S. Myers <jsm28@cam.ac.uk>
1412 * doc/texinfo.tex: Update to version 2001-05-24.08.
1414 2001-06-05 Nathan Sidwell <nathan@codesourcery.com>
1416 * c-common.h (flag_dump_translation_unit): Remove.
1417 (enum tree_dump_index): Define.
1418 (TDF_ADDRESS, TDF_SLIM): New #defines.
1419 (dump_node_to_file): Remove.
1420 (dump_node): Make extern. Add flags.
1421 (dump_flag, dump_enabled_p, dump_begin, dump_end,
1422 dump_switch_p): Prototype.
1423 * c-common.c (flag_dump_translation_unit): Remove.
1424 * c-decl.c (c_decode_option): Remove -fdump-translation-unit
1425 logic. Use dump_switch_p.
1426 * c-dump.h (struct dump_info): Add node and user fields.
1427 (dump_pointer): Declare.
1428 * c-dump.c (dump_node): Make extern. Add flags.
1429 (SOL_COLUMN, EOL_COLUMN, COLUMN_ALIGNMENT): New #defines.
1430 (dump_new_line, dump_maybe_newline): Use them.
1431 (dump_pointer): New function.
1432 (dequeue_and_dump): Check TDF_SLIM before dumping a _DECL's
1433 chain or function's body. Dump address, if TDF_ADDRESS set.
1434 (dump_flag): Define.
1435 (dump_node_to_file): Remove.
1436 (struct dump_file_info): New struct.
1437 (dump_files): New array.
1438 (dump_begin, dump_end, dump_enabled_p, dump_switch_p): Define.
1439 * c-lang.c (finish_file): Adjust dumping.
1440 * toplev.h (dump_base_name): Make extern.
1441 * invoke.texi: Document new flags.
1443 2001-06-04 Mark Mitchell <mark@codesourcery.com>
1445 * c-tree.h (lang_decl): Add pending_sizes fields.
1446 * c-decl.c (store_parm_decls): Save pending_sizes away for nested
1448 (c_expand_body): Expand them.
1449 (lang_mark_tree): Mark lang_decl:pending_sizes.
1450 * function.c (expand_pending_sizes): New function, broken out
1452 (expand_function_start): ... here.
1453 * tree.h (expand_pending_sizes): Declare it.
1455 2001-06-04 Loren J. Rittle <ljrittle@acm.org>
1457 * doc/install.texi: Update FreeBSD information. Generalize
1458 and update information for alpha-based platforms using ELF.
1460 2001-06-04 John David Anglin <dave@hiauly1.hia.nrc.ca>
1462 * c-decl.c (get_parm_info): Use INTEGRAL_TYPE_P.
1463 (store_parm_decls): Likewise.
1464 * c-typeck.c (convert_arguments): Likewise.
1466 2001-06-04 Richard Henderson <rth@redhat.com>
1468 * sibcall.c (optimize_sibling_and_tail_recursive_call): Suppress
1469 optimization if current_function_calls_setjmp.
1471 2001-06-04 Joseph S. Myers <jsm28@cam.ac.uk>
1473 * doc/c-tree.texi: Fix documentation of TREE_STRING_LENGTH for
1476 Mon Jun 4 20:44:25 CEST 2001 Jan Hubicka <jh@suse.cz>
1478 * simplify-rtx.c (simplify_subreg): Fix combining of
1479 paradoxical subregs.
1481 Mon Jun 4 20:15:25 CEST 2001 Jan Hubicka <jh@suse.cz>
1483 * rtlanal.c (rtx_unsable_p): ADDRESSOF is stable.
1484 (no_labels_between_p): Short circuit case beg==end.
1486 Mon Jun 4 20:03:05 CEST 2001 Jan Hubicka <jh@suse.cz>
1488 * rtlanal.c (operand_preference): Fix preference for objects.
1490 Mon Jun 4 20:00:40 CEST 2001 Jan Hubicka <jh@suse.cz>
1492 * gcse.c (handle_avail_expr): Be prepared to handle single_set
1495 Mon Jun 4 19:59:46 CEST 2001 Jan Hubicka <jh@suse.cz>
1497 * combine.c (if_then_else_cond): Use simplify_subreg instead
1499 * integreate.c (sub_constants): Likewise.
1501 Mon Jun 4 19:59:12 CEST 2001 Jan Hubicka <jh@suse.cz>
1503 * emit-rtl.c (constant_subword): Deprecate; remove most of code
1504 and use simplify_gen_subreg.
1506 Mon Jun 4 19:55:23 CEST 2001 Lars Brinkhoff <lars@nocrew.org>
1508 * sibcall.c (skip_copy_to_return_value): recognize the situation
1509 when the called function's return value is copied into an
1510 intermediate pseudo, and then into the calling functions return
1513 Mon Jun 4 16:50:33 CEST 2001 Jan Hubicka <jh@suse.cz>
1515 * simplify_rtx.c (simplify_subreg): Keep subregs on return values,
1516 check CLASS_CANNOT_CHANGE_MODE before avoiding subreg on hard reg,
1517 in case register wasn't OK previously, accept it now; allow
1518 subregs of frame pointer if reload completed and frame pointer
1521 * combine.c (sombine_simplify_rtx): Fix comment;
1522 use subreg_lowpart_offset instead of subreg_lowpart_p
1523 (gen_lowpart_for_combine): Use subreg_lowpart_offset.
1524 * rtl.h (subreg_lowpart_parts_p): Kill.
1525 (subreg_lowpart_offset, subreg_highpart_offset): Declare.
1526 * simplify-rtx.c (simplify_subreg): Use subreg_lowpart_offset.
1527 * emit-rtl.c (gen_lowpart_SUBREG): Use subreg_lowpart_offset;
1528 (gen_lowpart_common): Likewise.
1529 (subreg_lowpart_p): Likewise.
1530 (subreg_lowpart_parts_p): Kill.
1531 (subreg_lowpart_offset, subreg_highpart_offset): New function.
1533 * emit-rtl.c (gen_lowpart_common): Use simplify_gen_subreg
1534 to simplify SUBREG and REG.
1535 (gen_highpart): Use simplify_gen_subreg for all simplifications.
1537 * emit-rtl.c (gen_realpart, gen_imagpart): Do not handle
1540 * rtlanal.c (replace_regs): Use simplify_gen_subreg
1542 Mon Jun 4 09:21:19 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1544 * doc/c-tree.texi (ARRAY_REF): Say what type of expression must be.
1545 (ARRAY_RANGE_REF): Added description.
1547 * tree.def (ARRAY_RANGE_REF): New code.
1548 * alias.c (handled_component_p, can_address_p): Handle it.
1549 * dwarf2out.c (loc_descriptor_from_tree): Likewise.
1550 * explow.c (set_mem_attributes): Likewise.
1551 * expr.c (expand_assignment, get_inner_reference): Likewise.
1552 (expand_expr, expand_expr_unaligned, do_jump): Likewise.
1553 * fold-const.c (operand_equal_p): Likewise.
1554 * tree.c (staticp, stabilize_reference): Likewise.
1555 * varasm.c (decode_addr_const): Likewise.
1557 Sun Jun 3 21:59:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1559 * reload.c (reload_inner_reg_of_subreg): Return 1 for PLUS.
1560 (push_reload): Handle non-REG in reload_inner_reg_of_subreg case.
1562 2001-06-03 kaz Kojima <kkojima@rr.iij4u.or.jp>
1564 * gcc/config/sh/sh.c (print_operand_address, print_operand): Call
1565 mark_constant_pool_use before output_addr_const.
1566 (struct pool_node): New field wend.
1567 (add_constant): Note a sequence of constants that are referenced
1569 (pool_window_label, pool_window_last): New variables.
1570 (dump_table): Emit a unspec_volatile representing the end of a
1571 sequence of constants.
1572 (mark_constant_pool_use): New function.
1573 * gcc/config/sh/sh.md (UNSPECV_WINDOW_END): New constant.
1574 (consttable_2): Add the second operand which flags whether
1575 this consttable entry was used or not.
1576 (consttable_4, consttable_8, consttable_sf, consttable_df):
1578 (consttable_window_end): New insn.
1580 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
1582 * insn-addr.h (INSN_ADDRESSES_NEW): Make insn_uid__ unsigned.
1583 Reformat according to coding standards.
1586 * config/sh/sh.c (print_operand_address): Cast INTVAL to int.
1587 (shl_and_kind): Cast wide constant.
1588 (gen_far_branch): Define as static, as in declaration.
1589 (barrier_align): Compute cache-line length as unsigned. Add
1590 parentheses in initial credit computation.
1591 (rounded_frame_size): Add parentheses.
1592 (permanent_obstack): Remove declaration. Include ggc.h for
1593 declaration of ggc_add_root_rtx().
1594 (get_free_reg): Removed declaration of unused variable reg.
1595 (legitimize_pic_address): Mark mode argument as unused.
1597 2001-06-03 Igor Shevlyakov <igor@windriver.com>
1599 * config/sh/sh.c (output_branch): Support for insn with lenght
1600 attr 12 & 16 which represents cond branches outside +-4096 range.
1602 2001-06-03 Alexandre Oliva <aoliva@redhat.com>
1604 * config/sh/lib1funcs.asm (ic_invalidate): Align the
1605 cache-mirroring sequence. Add nops.
1607 2001-06-03 Joseph S. Myers <jsm28@cam.ac.uk>
1609 * doc/install-old.texi: Remove more old installation
1611 * doc/install.texi: Add relevant parts here.
1613 2001-06-03 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1615 * doc/install.texi2html: New script.
1617 2001-06-03 David Edelsohn <edelsohn@gnu.org>
1619 * doc/install.texi: Update AIX information again.
1621 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1623 * doc/gcc.texi, doc/install-old.texi: Remove old system-specific
1624 installation documentation.
1625 * doc/install.texi: Move it to here.
1627 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1629 * doc/install.texi: Clean up Texinfo markup.
1631 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1633 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi: Move contents
1634 to just after title page.
1636 2001-06-02 Joseph S. Myers <jsm28@cam.ac.uk>
1638 * doc/install-old.texi: Remove documentation of some configuration
1640 * doc/install.texi: Add relevant parts of this documentation here.
1642 2001-06-02 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1644 * contrib.texi: Updated entries for Mark Mitchell, Joseph S. Myers,
1645 Gerald Pfeifer, Bernd Schmidt, and Dean Wakerley.
1647 Sat Jun 2 12:23:51 CEST 2001 Jan Hubicka <jh@suse.cz>
1649 * i386.md (all uses of ext_register_operand): Make sure they are
1650 VOIDmode; replace all uses outside zero_extend.
1651 (and?i splitters): Use ext_register_operands.
1652 (test?i peep2): Remove ignored constraints.
1653 * i386.c (ext_register_operand): Check that operand is
1654 eighter pseudo or hard or 'Q' register.
1656 Sat Jun 2 06:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1658 * tree.h (struct record_layout_info_s): New field unpadded_align.
1659 (set_lang_adjust_rli): New declaration.
1660 * stor-layout.c (layout_decl): If DECL is packed, but at alignment
1661 it would have if not packed, do not downgrade DECL_ALIGN.
1662 (lang_adjust_rli, set_lang_adjust_rli): New.
1663 (start_record_layout): Initialize new field unpadded_align.
1664 (debug_rli): Display it.
1665 (place_union_field, place_field): Set it.
1666 (layout_type, case RECORD_TYPE): Call via lang_adjust_rli if set.
1668 * print-tree.c (print_node): Don't print "regdecl" when bit doesn't
1669 mean that; use proper names instead.
1670 Print DECL_NO_STATIC_CHAIN.
1672 * except.c (expand_builtin_frob_return_addr): Add missing call
1673 to convert_memory_address #ifdef POINTERS_EXTEND_UNSIGNED.
1674 (expand_builtin_eh_return): Likewise.
1675 (expand_eh_return): Clean up ptr_mode != Pmode cases.
1677 2001-06-01 Jan van Male <jan.vanmale@fenk.wau.nl>
1679 * doc/invoke.texi: Remove references to papers about sequence points
1680 to readings.html, refer to that page.
1682 2001-06-01 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1684 * README: Update references to installation instructions.
1686 2001-06-01 Laurent Guerby <guerby@acm.org>
1687 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1689 * doc/install.texi: Define srcdir when sources come from CVS.
1690 Significantly improve markup. Wrap overly long lines
1692 2001-06-01 DJ Delorie <dj@redhat.com>
1694 * c-tree.texi, contrib.texi, cpp.texi, cppinternals.texi,
1695 extend.texi, fdl.texi, gcov.texi, invoke.texi, md.texi,
1696 objc.texi, rtl.texi, tm.texi, texinfo.tex, gcc.1, cpp.1,
1697 gcov.1: Move to doc subdirectory.
1698 * install.texi: Move to doc/install-old.texi.
1699 * gcc.texi: Move to doc, refer to install-old.texi.
1700 * Makefile.in: Reflect move of docs to doc/.
1701 * f/Make-lang.in: Ditto.
1702 * java/Make-lang.in: Ditto.
1703 * doc/.cvsignore: New.
1705 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
1707 * invoke.texi: use two spaces between command options, eliminate
1708 some 'overfull hboxes'
1710 2001-06-01 Hans-Peter Nilsson <hp@axis.com>
1712 * Makefile.in (s-mlib): Make backtick-commands always succeed.
1713 (DRIVER_DEFINES): Ditto.
1715 2001-05-31 Richard Henderson <rth@redhat.com>
1717 * gcc.c (init_gcc_specs): When linking against libgcc_s.so,
1718 also link against libgcc.a.
1720 2001-05-31 Geoff Keating <geoffk@cygnus.com>
1722 * config/mips/mips.h (ASM_OUTPUT_ASCII): Convert to function.
1723 * config/mips/mips.c (mips_output_ascii): New function.
1724 * config/mips/mips-protos.h (mips_output_ascii): Prototype.
1726 * config/mips/mips.h (DWARF_CIE_DATA_ALIGNMENT): Force to 4.
1728 Thu May 31 19:09:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1730 * flow.c (set_block_for_new_insns): Remove bogus shortcut.
1731 * i386.c (ix86_expand_int_movcc): Force one of operands to be register.
1733 2001-05-31 Rodney Brown <rbrown64@csc.com.au>
1735 * install.texi (Configuration): Add html links for --with-gnu-as &
1736 --with-gnu-ld and refer to them from hppa & SCO triplets.
1737 (Specific): Link back to with-gnu-ld for all ELF platfoms.
1738 (Specific): Reword AVR binutils recommendation.
1740 2001-05-30 Zack Weinberg <zackw@stanford.edu>
1742 * ggc-page.c (size_lookup): Increase minimum allocation size
1744 (ggc_print_statistics): Report size of each bin in bytes, not
1745 as its order; there is no longer a direct relationship.
1747 2001-05-31 Jan van Male <jan.vanmale@fenk.wau.nl>
1749 * extend.texi: Fix formating of examples, eliminate some
1751 * gcc.texi: Eliminate some 'overfull hboxes'.
1752 * invoke.texi: Use two spaces between command options, eliminate
1753 some 'overfull hboxes'.
1755 2001-05-30 Richard Henderson <rth@redhat.com>
1757 * dwarf2out.c (dwarf2out_finish): Don't emit DW_AT_stmt_list at -g1.
1759 2001-05-30 Tom Tromey <tromey@redhat.com>
1761 * gcc.c (do_spec_1): In `%O' case, if we computed saved_suffix,
1762 use it in the new association.
1764 2001-05-30 Loren J. Rittle <ljrittle@acm.org>
1765 John David Anglin <dave@hiauly1.hia.nrc.ca>
1767 * gthr-posix.h (__gthread_active_ptr): Cast function pointer
1768 to target type to allow ISO C++ compiler to accept it.
1769 * gthr-dce.h (__gthread_active_ptr): Likewise.
1770 * gthr-solaris.h (__gthread_active_ptr): Likewise.
1772 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
1774 * cpplex.c (_cpp_lex_token): Revert patch of 16 May 2001
1775 so that we do accept comments in preprocessed input.
1777 2001-05-30 Neil Booth <neil@daikokuya.demon.co.uk>
1779 * cpphash.c (alloc_node): Cast allocated pointer.
1781 2001-05-30 Gordon Sadler <gbsadler1@lcisp.com>
1783 * invoke.texi (Option Summary): Remove -isystem-c++ from options.
1785 2001-05-29 Stan Shebs <shebs@apple.com>
1787 * gcc.texi: Add links for information about Objective-C.
1789 2001-05-29 Nathan Sidwell <nathan@codesourcery.com>
1791 * configure.in (gcc_version): Remove unrequired \ on ". (Solaris
1792 /bin/sed fails on [^\"]).
1793 (configargs.h): Likewise.
1795 2001-05-29 Hartmut Schirmer <SchirmerH@Innovative-Systems.de>
1797 * config/sh/sh.h (IDENT_ASM_OP): End with TAB, not LF.
1799 2001-05-28 Stan Shebs <shebs@apple.com>
1801 * objc/objc.gperf: Remove, no longer used.
1803 2001-05-28 Joseph S. Myers <jsm28@cam.ac.uk>
1805 * c-tree.texi, contrib.texi, cpp.texi, extend.texi, gcc.texi,
1806 gcov.texi, install.texi, md.texi, objc.texi, rtl.texi, tm.texi:
1807 Remove trailing whitespace.
1809 2001-05-28 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1811 * doc/install.texi (Specific): http://reality.sgi.com/ariel/freeware/
1812 became http://freeware.sgi.com/.
1814 2001-05-27 Geoffrey Keating <geoffk@redhat.com>
1816 * local-alloc.c (update_equiv_regs): Don't eliminate constant
1819 2001-05-27 Stan Shebs <shebs@apple.com>
1821 * objc/objc-act.c: Add/fix various comments.
1822 (init_selector): Remove, no longer used.
1823 (build_msg_pool_reference): Ditto.
1824 (objc_debug): Ditto.
1826 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
1828 * c-decl.c (init_decl_processing):
1829 Don't call start_identifier_warnings.
1830 * flags.h (warn_id_clash, id_clash_len): Remove.
1831 * stringpool.c: Don't include flags.h.
1832 (scan_for_clashes, do_identifier_warnings,
1833 start_identifier_warnings): Remove.
1834 * toplev.c (warn_id_clash, id_clash_len): Remove.
1835 (display_help): Don't document -Wid-clash.
1836 (decode_W_option): Print warning on -Wid-clash.
1837 * tree.h (start_identifier_warnings): Remove.
1838 * invoke.texi: Remove documentation of -Wid-clash.
1840 2001-05-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1842 * fixinc/fixtests.c: Declare entries in ENV_TABLE.
1844 2001-05-27 Bruce Korb <bkorb@gnu.org>
1846 * fixinc/check.tpl(HACK) add and use a Scheme variable
1847 (has no test text): error out if no "test_text" is defined
1848 * fixinc/fixincl.tpl: likewise
1849 (FIXIDX): make it an enumeration so we minimize diffs
1850 * fixinc/inclhack.def: re-alphabetize and add sort instructions
1851 * fixinc/fixincl.x: regenerate
1852 * fixinc/tests/base/stdio.h: test output got moved due to
1854 * README-fixinc: rewrite (mostly)
1856 2001-05-27 Neil Booth <neil@daikokuya.demon.co.uk>
1858 * cpplib.c (run_directive): Set pfile->directive.
1860 2001-05-23 Theodore Papadopoulo <Theodore.Papadopoulo@sophia.inria.fr>
1862 * c-tree.texi: Reformat the manual as a single chapter now
1863 included by gcc.texi.
1864 * gcc.texi: Include c-tree.texi. Merge all indexes.
1865 * Makefile.in (dvi): Add generation for the cppinternals
1866 documentation. Added dependencies on fdl.texi and c-tree.texi
1867 where appropriate. Use TEXI2DVI instead of custom tex calls.
1868 (info): Added dependencies on fdl.texi and c-tree.texi where
1869 appropriate. Remove the target c-tree.info.
1871 2001-05-27 Lars Brinkhoff <lars@nocrew.org>
1873 * combine.c (try_combine): Fix typo in comment.
1874 * expr.c (expand_expr): Likewise.
1875 * config/i370/i370.md (untyped_call): Likewise.
1877 2001-05-26 Bruce Korb <bkorb@gnu.org>
1879 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
1880 when fixincl is operating in test mode
1881 * fixinc/inclhack.def(AAB_dgux_int_varargs) : aesthetics
1882 (AAB_ultrix_limits): remove redundant text
1883 (AAB_ultrix_memory): ditto
1884 (AAB_ultrix_string): ditto
1885 (djgpp_wchar_h): fix the test text
1886 (irix_stdio_va_list): add test text
1887 (irix_limits_const): add a testing output file (limits.h is overwritten)
1888 (strict_ansi_not_ctd): put limits.h second in list for same reason
1889 (solaris27_mutex_init): test text needed selection text, too
1891 * fixinc/fixtests.c(stdc_0_in_system_headers_test): Must return "FIX"
1892 when fixincl is operating in test mode
1894 2001-05-26 Philip Blundell <philb@gnu.org>
1896 * config/c4x/c4x-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
1897 * config/i960/i960-protos.h: Likewise.
1898 * config/i370/i370-protos.h: Likewise.
1899 * config/h8300/h8300-protos.h: Likewise,
1900 * config/sh/sh-protos.h: Likewise.
1901 * config/v850/v850-protos.h: Likewise.
1903 2001-05-26 Philip Blundell <philb@gnu.org>
1905 * config/arm/arm-protos.h: Use GCC_C_PRAGMA_H in place of _C_PRAGMA_H.
1907 2001-05-25 Zack Weinberg <zackw@stanford.edu>
1909 * toplev.c (debug_args, f_options, W_options): Mark
1910 descriptions for translation.
1911 (display_help): Translate descriptions on output.
1913 * cp/lang-options.h, f/lang-options.h, java/lang-options.h,
1914 objc/lang-options.h: Mark descriptions for translation.
1916 * aclocal.m4: Quote final argument of patsubst. Use
1917 3-argument form of AC_DEFINE. Restore quotes to [] while
1919 * configure.in: Remove unnecessary changequote calls.
1920 * configure, config.in: Regenerate.
1922 2001-05-25 Sam TH <sam@uchicago.edu>
1924 * basic-block.h: Fix header include guards.
1925 * bitmap.h c-dump.h c-lex.h c-pragma.h c-tree.h collect2.h
1926 cppdefault.h cpphash.h cpplib.h defaults.h diagnostic.h errors.h
1927 except.h flags.h gcc.h gcov-io.h graph.h gstab.h gthr-aix.h
1928 gthr-dce.h gthr-posix.h gthr-rtems.h gthr-single.h gthr-solaris.h
1929 gthr-vxworks.h gthr-win32.h gthr.h hard-reg-set.h hwint.h
1930 insn-addr.h libgcc2.h mbchar.h mkdeps.h params.h prefix.h real.h
1931 rtl.h sbitmap.h system.h timevar.h toplev.h tradcpp.h tsystem.h
1932 varray.h version.h: Likewise.
1933 * config/dbxelf.h config/fp-bit.h config/arm/arm-protos.h
1934 config/arm/arm.h config/c4x/c4x-protos.h
1935 config/h8300/h8300-protos.h config/h8300/h8300.h
1936 config/i370/i370-protos.h config/i370/i370.h
1937 config/i960/i960-protos.h config/mcore/mcore.h
1938 config/mips/mips-protos.h config/sh/sh-protos.h config/sh/sh.h
1939 config/v850/v850-protos.h config/v850/v850.h: Likewise.
1940 * fixinc/fixlib.h fixinc/server.h: Likewise.
1942 2001-05-25 Stacey Sheldon <ssheldon@Catena.com>
1944 * config/arc/initfini.c (.init): Fix typo.
1946 2001-05-25 Geoffrey Keating <geoffk@redhat.com>
1948 * config/rs6000/rs6000.md (fseldfsf4): Correct mode of operand 4.
1950 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1952 * i386/i386.h (CC1_CPU_SPEC): Clarify -m486 etc deprecation messages.
1954 2001-05-25 Richard Henderson <rth@redhat.com>
1956 * libgcc-std.ver: Export XFmode and TFmode versions of symbols.
1958 2001-05-25 Richard Henderson <rth@redhat.com>
1960 * config.gcc (all gnu and linux): Use t-slibgcc-elf-ver with t-linux.
1961 (i386-*-solaris2): Use t-slibgcc-elf-ver or t-slibgcc-sld.
1962 (sparc*-*-solaris2): Likewise.
1963 * config/t-linux: Remove shared libgcc macros.
1964 * config/t-slibgcc-elf-ver: Move from sparc/t-slibgcc.
1965 * config/t-slibgcc-sld: Move from sparc/t-slibgcc-sld.
1967 2001-05-25 Loren J. Rittle <ljrittle@acm.org>
1969 * config.gcc (*-*-freebsd*): Report bad configuration.
1971 2001-05-25 David Edelsohn <edelsohn@gnu.org>
1973 * xcoffout.h (DBX_OUTPUT_GCC_MARKER): Do not emit any marker.
1975 * config/rs6000/aix.h (USER_LABEL_PREFIX): AIX symbols do not have
1977 (ASM_OUTPUT_LABELREF): Delete.
1979 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1981 * fixinc/inclhack.def (strict_ansi_not, strict_ansi_not_ctd,
1982 strict_ansi_only): Don't run if stdc_0_in_system_headers.
1983 * fixinc/fixincl.x: Regenerate.
1984 * fixinc/fixtests.c (stdc_0_in_system_headers_test): New function.
1985 (FIX_TEST_TABLE): Declare it.
1986 * fixinc/fixlib.h: Include config.h.
1988 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1990 * fixinc/inclhack.def (alpha___assert): Change char * args to
1991 const char * on Tru64 UNIX to avoid excessive warnings from
1993 * fixinc/fixincl.x: Regenerate.
1995 2001-05-25 Geoff Keating <geoffk@redhat.com>
1997 * dbxout.c (dbxout_symbol): Invert previous patch, which was
1998 outputting a tag only for variable-size records.
2000 2001-05-25 Jeff Knaggs <jknaggs@redhat.com>
2002 * config/alpha/alpha.md (movtf_internal): Use reg_overlap_mentioned_p
2003 instead of rtx_equal_p for early clobber test.
2005 2001-05-26 Mark Mitchell <mark@codesourcery.com>
2007 * builtins.def: Encode additional information, such as names and
2009 * builtin-types.def: New file.
2010 * builtins.c (built_in_names): Adjust use of DEF_BUILTIN.
2011 (built_in_decls): Likewise. Don't explicitly initialize global
2013 (expand_builtin_mathfn): Handle float and long double variants of
2015 (expand_builtin): Likewise.
2016 * c-common.c (c_common_nodes_and_builtins): Make it table-driven.
2017 (expand_tree_builtin): Handle long, long long, float, and long
2018 double variants of math functions.
2019 * c-common.h (c_tree_index): Remove some unused nodes.
2020 (void_ftype): Remove.
2021 (void_type_ptr): Likewise.
2022 (int_ftype_int): Likewise.
2023 (ptr_ftype_sizetype): Likewise.
2024 * c-decl.c (init_decl_processing): Remove creation of DWARF
2026 * defaults.h (MD_INIT_BUILTINS): Provide default definition.
2027 * tree.h (built_in_function): Adjust definition of DEF_BUILTIN.
2028 * Makefile.in (c-common.o): Depend on builtin-types.def.
2030 2001-05-25 Dale Johannesen <dalej@apple.com>
2032 * config/rs6000/t-darwin: Fix dependencies for darwin.o.
2034 2001-05-25 Neil Booth <neil@daikokuya.demon.co.uk>
2036 * c-parse.in (notype_initdcl): Remove redundant line.
2038 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2040 * aclocal.m4: Fixed typo.
2041 (gcc_AC_HEADER_STDBOOL): Define.
2042 (gcc_AC_C__BOOL): Define.
2043 * configure.in: Use them.
2044 (AC_CHECK_HEADERS): Remove stdbool.h
2045 * configure, config.in: Regenerate.
2047 2001-05-25 Richard Henderson <rth@redhat.com>
2049 * function.c (expand_function_start): Don't abort on PARALLEL
2050 returns from hard_function_value.
2052 2001-05-25 Richard Henderson <rth@redhat.com>
2054 * config/i386/i386.md: Revert previous change. Do not apply
2055 the peephole if the components do not die after the sequence.
2057 2001-05-25 Joseph S. Myers <jsm28@cam.ac.uk>
2059 * c-parse.in (array_declarator): New. Handle C99 constructs.
2060 Don't restrict [*] declarators to C only.
2061 (after_type_declarator, parm_declarator_starttypename,
2062 parm_declarator_nostarttypename, notype_declarator,
2063 direct_absdcl1): Use it.
2064 * c-decl.c (build_array_declarator, set_array_declarator_type):
2065 New functions. Warn that [*] isn't properly implemented; pedwarn
2066 for [*] outside C99 mode if pedantic rather than giving a hard
2068 (grokdeclarator): Handle static and type qualifiers in parameter
2070 * c-tree.h (build_array_declarator, set_array_declarator_type):
2072 * extend.texi (Attribute Syntax): Document attributes in parameter
2075 2001-05-25 Mark Mitchell <mark@codesourcery.com>
2077 * config/i386/i386.md: Make sure cmpstr peepholes do not
2078 affect liveness information.
2080 2001-05-24 Mark Mitchell <mark@codesourcery.com>
2082 * c-typeck.c (digest_init): Issue error messages about
2083 invalid constants, not warnings.
2085 2001-05-24 Mark Mitchell <mark@codesourcery.com>
2087 * invoke.texi (-fno-builtin): Document that this is always on
2090 2001-05-24 Philip Blundell <philb@gnu.org>
2092 * doc/install.texi (arm*-*-linux-gnu): Say that binutils 2.10 is
2095 2001-05-24 Philip Blundell <philb@gnu.org>
2097 * config/arm/arm.c (output_return_instruction): Correctly handle
2098 interworking and interrupt functions.
2100 2001-05-24 Philip Blundell <philb@gnu.org>
2102 * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for
2103 -m{no-}sched-prolog. Fix typos and improve formatting.
2105 2001-05-24 Philip Blundell <philb@gnu.org>
2107 * invoke.texi (ARM Options): Improve wording slightly. Add
2108 documentation for more options, including those for Thumb mode.
2109 Don't mention options that don't exist or are unimplemented.
2110 (Thumb Options): Delete; merged into above section.
2112 2001-05-24 Geoff Keating <geoffk@redhat.com>
2114 * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define.
2115 (MD_FALLBACK_FRAME_STATE_FOR): Use it.
2117 Thu May 24 19:47:19 CEST 2001 Jan Hubicka <jh@suse.cz>
2119 * simplify-rtx.c (simplify_subreg): Fix CONCAT simplification;
2120 fix hard register simplification.
2122 Thu May 24 00:15:17 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2124 * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead
2125 of just copying CPP_CPU_SPEC.
2127 Thu May 24 15:56:48 CEST 2001 Jan Hubicka <jh@suse.cz>
2129 * i386.c (incdec_operand): Accept only 1 and -1.
2131 2001-05-23 Kelley Cook <kelley.cook@home.com>
2133 * Makefile.in: Move many of the *_H definitions eariler in the
2134 file, so that rules in t-* files that use them for
2135 dependencies will work in a parallel build.
2136 * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H).
2138 2001-05-23 Richard Henderson <rth@redhat.com>
2140 * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT.
2142 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
2144 * cpp.texi: Update for handling of charconsts.
2145 * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF. Update
2146 diagnostics. Skip to the end if the UCS is too short.
2147 (cpp_interpret_charconst): Long charconsts issue a warning
2150 2001-05-23 Richard Henderson <rth@redhat.com>
2152 * doc/install.texi (alpha-linux): Require binutils 2.11.
2154 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
2156 * c-lex.c (read_escape, read_ucs): Delete.
2157 (lex_string): Use cpp_parse_escape.
2158 * cpplex.c (read_ucs): Rename maybe_read_ucs. Do nothing
2159 if not C++ or not C99. Warn if traditional.
2160 (parse_escape): Rename cpp_parse_escape. Make the bitmask
2161 unsigned. Warn for out-of-range escape sequences here.
2162 Update to use maybe_read_ucs.
2163 (cpp_interpret_charconst): Don't warn here.
2164 * cpplib.h (cpp_parse_escape): New exported function.
2166 2001-05-23 Joseph S. Myers <jsm28@cam.ac.uk>
2168 * extend.texi (Attribute Syntax): Clarify application of
2169 attributes to parameters declared as functions or arrays.
2171 2001-05-23 Jason Merrill <jason_merrill@redhat.com>
2173 * dbxout.c (dbxout_type_methods): Do still group methods by name.
2175 2001-05-23 Zack Weinberg <zackw@stanford.edu>
2177 * diagnostic.c (vnotice): Kill.
2178 (fnotice): Call vfprintf directly.
2179 (diagnostic_for_decl, output_do_verbatim, output_verbatim,
2180 verbatim, set_diagnostic_context): Rename string argument to
2181 indicate that it is run through gettext.
2182 (vbuild_message_string, build_message_string, output_do_printf):
2183 Rename string argument to indicate that it is NOT run through
2185 (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
2186 output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
2187 Run msgid argument through gettext.
2188 (default_print_error_function): Run constant strings through
2189 gettext when nothing else will.
2190 (fatal_error, internal_error, error_recursion): Use fnotice.
2191 Present complete sentences to gettext.
2193 2001-05-23 Mark Mitchell <mark@codesourcery.com>
2195 * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
2197 2001-05-23 Richard Henderson <rth@redhat.com>
2199 * function.c (expand_function_start): Always use a pseudo
2200 for the function result value.
2202 2001-05-22 Richard Henderson <rth@redhat.com>
2204 * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
2205 section pointer alignment.
2207 * doc/install.texi (alpha-linux): Require binutils >= 2.10.
2209 * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
2210 of __USER_LABEL_PREFIX__.
2212 2001-05-22 Richard Henderson <rth@redhat.com>
2214 * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favour of...
2215 (__deregister_frame_info_bases): New.
2216 * unwind-dw2-fde.h: Declare it.
2217 * libgcc-std.ver: Export it.
2218 * crtstuff.c (__do_global_dtors_aux): Call it if we would have
2219 called __register_frame_info_bases.
2221 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2223 * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair
2224 instead of #elif (which is OK for this case but not in general).
2226 2001-05-22 Andrew MacLeod <amacleod@redhat.com>
2228 * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
2229 * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
2230 parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
2231 * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
2232 "r2" to the assembly file. Only issue allocs with non-zero parameters.
2234 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2235 David O'Brien <obrien@freebsd.org>
2237 * config/freebsd.h (LIB_SPEC): Key the exact setting to
2238 configure-time options and target version of FreeBSD. Set-up
2239 to match architectural change in threading support. Correctly
2240 report when -pthread option is not supported by configure-time
2242 (FBSD_CPP_PREDEFINES): Move from architecture-specific files
2243 and extend to encode target version number in run-time setting
2244 of __FreeBSD__ macro to match the system compiler.
2245 (CPP_PREDEFINES): Likewise.
2246 (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
2248 * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
2249 * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
2251 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2252 David O'Brien <obrien@freebsd.org>
2254 * config.gcc (the unlabeled system switch statement): Add
2255 generic configuration section to handle *-*-freebsd*. Also,
2256 to match the system compiler, default to threading support (it
2257 may be disabled with the standard --disable-threads
2258 configuration-time switch).
2259 (i[34567]86-*-freebsd* in machine-specific section): Use it.
2260 (alpha*-*-freebsd* in machine-specific section): Likewise.
2262 * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
2263 * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
2264 * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
2265 * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
2266 * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
2268 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
2269 David O'Brien <obrien@freebsd.org>
2271 * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
2272 * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
2273 -pthread instead setting macro.
2275 2001-05-22 Richard Henderson <rth@redhat.com>
2277 * crtstuff.c (__register_frame_info_bases): Declare.
2278 (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
2279 (__do_global_dtors_aux, __do_global_dtors): Streamline.
2281 * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
2282 (CRT_GET_RFIB_DATA): New.
2283 * config/i386/sysv4.h: Likewise.
2284 * config/i386/sco5.h: Likewise.
2285 (ASM_PREFERRED_EH_DATA_FORMAT): New.
2287 2001-05-22 Richard Henderson <rth@redhat.com>
2289 * rtl.c (read_string): Break out from ...
2290 (read_rtx): ... here.
2292 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2294 * doc/install.texi (Specific): Remove a bogus and duplicate part
2295 copied from the end of the document.
2297 2001-05-22 Bernd Schmidt <bernds@redhat.com>
2299 * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency.
2301 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2303 * install.texi: Remove obsolete information on SunOS as well as
2304 i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
2305 (Installing GNU CC on the Sun): Remove section.
2307 2001-05-22 Alexandre Oliva <aoliva@redhat.com>
2309 * cppfiles.c (remove_component_p): Don't assume lstat/stat will
2310 keep errno unchanged on success.
2312 2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk>
2314 * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
2315 once for hexadecimal floats, whether or not they contain a decimal
2316 point. Don't let the setting of pedantic otherwise affect the
2317 parsing of hexadecimal floats.
2319 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2321 * README.ACORN: Remove obsolete file.
2323 2001-05-22 Jan Hubicka <jh@suse.cz>
2325 * combine.c (gen_binary): Use swap_commutative_operands_p
2326 (simplify_comparison): Likewise.
2327 * expmed.c (emit_store_flag): Likewise.
2328 * expr.c (compare_from_rtx): Likewise.
2329 (do_compare_rtx_and_jump): Likewise.
2330 * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort
2331 if not emitting a branch and operands want swapping.
2333 2001-05-22 Neil Booth <neil@daikokuya.demon.co.uk>
2335 * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.
2336 * stringpool.c: (IS_FE_IDENT, make_identifier): Delete.
2337 (maybe_get_identifier): Update.
2338 * tree.h (make_identifier): Delete.
2340 2001-05-21 Richard Henderson <rth@redhat.com>
2342 * combine.c (subst): Do not substitute for a register as
2343 a destination subreg/strict_low_part/zero_extract.
2345 * combine.c (simplify_comparison): Update op1 after constant
2347 * recog.c (const_int_operand): Accept only constants valid
2349 * genrecog.c: Update comments wrt const_int_operand.
2351 * emit-rtl.c (init_emit_once): Zero unused memory in a
2354 2001-05-21 Mark Mitchell <mark@codesourcery.com>
2356 * tree.h (type_num_arguments): Declare it.
2357 * tree.c (type_num_arguments): New function.
2359 2001-05-21 Richard Henderson <rth@redhat.com>
2361 * dwarf2out.c (current_funcdef_number): Move outside dwarf2
2364 2001-05-21 Geoff Keating <geoffk@redhat.com>
2366 * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
2368 (minsf3): Use rs6000_emit_minmax.
2369 (minsf3+1): Generalize to handle both SMIN and SMAX. Use
2371 (movsfcc): Use rs6000_emit_cmove.
2372 (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
2373 Don't generate emit_fselsfsf4.
2374 (fseldfsf4): Likewise.
2375 (maxdf3): Use rs6000_emit_minmax.
2377 (mindf3): Use rs6000_emit_minmax.
2378 (mindf3+1): Generalize to handle both SMIN and SMAX. Use
2380 (movdfcc): Use rs6000_emit_cmove.
2381 (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
2382 Don't generate emit_fselsfsf4.
2383 (fselsfdf4): Likewise.
2384 * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
2385 (min_max_operator): New predicate.
2386 (rs6000_emit_cmove): New function.
2387 (rs6000_emit_minmax): New function.
2388 * config/rs6000/rs6000-protos.h: Prototype new functions.
2389 * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
2390 and min_max_operator.
2392 * config/rs6000/rs6000.c (output_cbranch): Handle all
2393 conditional types in the switch statement.
2395 2001-05-21 Mark Mitchell <mark@codesourcery.com>
2397 * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
2398 non-register variables.
2399 * extend.texi: Document that asm-specifications do not make sense
2400 for non-static local variables.
2402 2001-05-21 Jason Merrill <jason_merrill@redhat.com>
2404 * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
2405 (dbxout_type_fields): Lose minimal_debug support.
2406 (dbxout_type_methods, dbxout_type): Likewise.
2408 2001-05-17 Andrew Haley <aph@redhat.com>
2410 * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
2412 2001-05-21 Richard Henderson <rth@redhat.com>
2414 * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION.
2417 2001-05-20 Richard Henderson <rth@redhat.com>
2419 * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
2420 DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION,
2421 DEBUG_STR_SECTION): Rename from s/DEBUG_//. Update all users.
2422 * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
2423 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION):
2425 * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
2426 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION,
2427 DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above.
2428 (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
2429 * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
2430 DEBUG_PUBNAMES_SECTION): Rename as above.
2431 (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
2433 2001-05-20 Richard Henderson <rth@redhat.com>
2435 * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative
2436 operands unless the operation is commutative.
2438 2001-05-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2440 * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative
2443 2001-05-21 Joseph S. Myers <jsm28@cam.ac.uk>
2445 * extend.texi: Clarify documentation of extensions included in ISO
2446 C99. Prefer C99 terminology and syntax to old GNU terminology and
2447 syntax. Add more index entries. Document mixed declarations and
2448 code as an extension in C89 mode. Warn about future changes to
2449 semantics of inline functions. Fixes PR other/930.
2451 Sun May 20 16:39:24 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2453 * expr.c (expand_expr, case ARRAY_REF): Don't fold constant
2454 access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
2455 (expand_expr, case COMPONENT_REF): Do copy if misaligned even
2456 if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
2458 * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL.
2460 2001-05-20 Richard Henderson <rth@redhat.com>
2462 * sched-deps.c (sched_analyze_insn): Force volatile memory reads
2463 to be output before a branch.
2465 2001-05-20 Richard Henderson <rth@redhat.com>
2467 * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
2469 2001-05-20 Richard Henderson <rth@redhat.com>
2471 * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
2472 (ASM_DOUBLE): Remove.
2473 * config/i386/bsd.h, config/i386/sco5.h: Likewise.
2474 * config/i386/sun386.h: Likewise.
2476 * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
2477 (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
2479 * config/i386/cygwin.h (INT_ASM_OP): Remove.
2480 * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
2481 * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
2482 * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
2484 * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
2485 * config/i386/djgpp.h, config/i386/i386.h: Likewise.
2486 * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
2487 * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
2488 * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
2489 * config/i386/win32.h: Likewise.
2491 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
2493 * invoke.texi: Add more options to summary list.
2495 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
2497 * invoke.texi: Document meaning of -pedantic when -std=gnu* is
2498 used. Fixes PR c/2291.
2499 * gcc.1: Regenerate.
2501 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
2503 * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
2504 the -fpic and -fPIC options, clear flag_pic.
2506 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
2508 * hashtable.c (calc_hash): Fix HASHSTEP definition.
2509 * stringpool.c (make_identifier): No statistics here anymore.
2510 * objc-act.c (steup_string_decl): Remove redundant check.
2512 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
2514 * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
2515 cpplib.o, cpphash.o, fix-header): Update.
2516 (hashtable.o): New target.
2517 * c-common.h: Include cpplib.h. Define C_RID_CODE and
2518 struct c_common_identifier here.
2519 * c-lang.c (c_init_options): Update. Call set_identifier_size.
2520 * c-lex.c (c_lex): Update.
2521 * c-pragma.h: Update.
2522 * c-tree.h (struct lang_identifier): Contain c_common_identifier.
2524 (C_RID_CODE): Delete.
2525 * cpphash.c: Rewrite to use hashtable.c.
2526 * cpphash.h: Update include guards.
2527 (struct cpp_reader): Remove hashtab.
2528 hash_ob and buffer_ob are no longer pointers. Add hash_table
2530 (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete.
2531 (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
2532 (_cpp_cleanup_stacks): Rename _cpp_init_directives.
2533 * cppinit.c (cpp_create_reader): Update.
2534 * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
2535 (cpp_interpret_charconst): Eliminate warning.
2536 * cpplib.c (do_pragma, do_endif, push_conditional,
2537 cpp_push_buffer, cpp_pop_buffer): Update.
2538 (_cpp_init_stacks): Rename cpp_init_directives.
2539 (_cpp_cleanup_stacks): Remove.
2540 * cpplib.h: Update include guards. Include tree-core.h and c-rid.h.
2541 (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
2542 cpp_forall_identifiers, cpp_create_reader): Update.
2543 (C_RID_CODE, cpp_make_node): New.
2544 (c_common_identifier): New identifier node for C front ends.
2545 * cppmain.c (main): Update.
2546 * fix-header.c (read_scan_file): Update.
2547 * flags.h (id_clash_len): Make unsigned.
2548 * ggc.h (ggc_mark_nonnull_tree): New.
2551 * stringpool.c: Update comments and copyright. Update to use
2553 * toplev.c (approx_sqrt): Move to hashtable.c.
2554 (id_clash_len): Make unsigned.
2555 * toplev.h (ident_hash): New.
2556 * tree.c (gcc_obstack_init): Move to hashtable.c.
2557 * tree.h: Include hashtable.h.
2558 (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
2559 (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
2560 (struct tree_identifier): Update.
2561 (make_identifier): New.
2563 * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
2564 (C_RID_CODE): Remove.
2565 * lex.c (cxx_init_options): Call set_identifier_size. Update.
2566 (init_parse): Don't do it here.
2568 * objc-act.c (objc_init_options): Call set_identifier_size. Update.
2570 Sat May 19 18:23:04 2001 Richard Henderson <rth@redhat.com>
2572 * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
2574 (expand_eh_return): Convert between word_mode and Pmode.
2575 * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
2577 (execute_stack_op): Likewise.
2578 (execute_cfa_program): Likewise.
2579 (uw_frame_state_for): Likewise.
2580 (uw_update_context_1): Likewise.
2581 * unwind.inc (_Unwind_Reason_Code): Likewise.
2582 * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
2583 (EH_RETURN_STACKADJ_RTX): Likewise.
2584 * config/mips/mips.c (compute_frame_size): Make space for saving
2585 EH return registers.
2586 (mips_expand_epilogue): Handle EH stack adjustments.
2587 * config/mips/mips.md (eh_return): New pattern.
2588 (eh_set_lr_si): Likewise.
2589 (eh_set_lr_di): Likewise.
2590 Add splitter to perform EH return after reload.
2592 2001-05-19 Mark Mitchell <mark@codesourcery.com>
2594 * jump.c (mark_jump_label): Tidy previous change.
2596 2001-05-19 Bruce Korb <bkorb@gnu.org>
2598 * fixinc/genfixes: no need for two warnings
2599 * fixinc/Makefile.in: open stdin for those building with a closed one.
2601 2001-05-19 Mark Mitchell <mark@codesourcery.com>
2603 * jump.c (jump_optimize_1): Tidy.
2604 (mark_jump_label): When changing the label in a LABEL_REF, change
2605 update any REG_EQUAL notes as well.
2607 2001-05-19 Joseph S. Myers <jsm28@cam.ac.uk>
2609 * c-parse.in (parm_declarator): Split into
2610 parm_declarator_starttypename and parm_declarator_nostarttypename.
2611 (parm_declarator_starttypename, parm_declarator_nostarttypename):
2612 New. Allow parenthesised sub-declarators which don't begin with a
2613 TYPENAME. Fixes PR c/166.
2615 2001-05-19 Mark Mitchell <mark@codesourcery.com>
2617 * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
2619 * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
2621 * toplev.c (main): If the target does not allow profiling without
2622 a frame pointer, issue an error message.
2623 * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
2626 Sat May 19 07:53:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2628 * recog.c (general_operand): Modify last change to allow it if reload
2631 Sat May 19 10:23:54 CEST 2001 Jan Hubicka <jh@suse.cz>
2633 * recog.c (general_operand): Prohibit nonzero subreg bytes on
2634 subregs containing mem.
2636 Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru>
2638 * regrename.c (regrename_optimize): frame pointer register can
2641 2001-05-18 Jason Merrill <jason_merrill@redhat.com>
2643 * README.DWARF: Move into dwarfout.c.
2645 2001-05-18 Dale Johannesen <dalej@apple.com>
2647 * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
2648 specific misuse of r0 as a reload address.
2650 Fri May 18 22:42:04 CEST 2001 Jan Hubicka <jh@suse.cz>
2652 * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
2655 Fri May 18 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2657 * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
2658 (add_to_sequence): Make that decision type.
2659 (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
2660 (write_switch, write_cond, debug_decision_2): Likewise.
2662 * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
2664 (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
2667 2001-05-18 Stan Shebs <shebs@apple.com>
2669 * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
2670 * configure: Regenerate.
2672 2001-05-18 Per Bothner <per@bothner.com>
2674 Changes needed for java/jvspec.c
2675 * gcc.h (n_infiles, outfiles): Add declarations.
2676 * gcc.c (n_infiles, outfiles): Mske no longer static.
2678 Fri May 18 10:14:42 2001 Jeffrey A Law (law@cygnus.com)
2680 * config/pa/som.h (EXCEPTION_SECTION): Define.
2682 2001-05-18 Daniel Berlin <dan@cgsoftware.com>
2684 * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
2686 Add have_location_lists, a variable to determine whether we need a
2687 .debug_loc section or not.
2688 (enum dw_val_class): Add dw_val_class_loc_list.
2689 (dw_val_struct): Add val_loc_list.
2690 (dw_loc_list_struct): New structure, represents location lists.
2691 (new_loc_list): New function, return a new location list, given
2692 the range and location expression.
2693 (add_loc_descr_to_loc_list): New function, add a location
2694 expression to a location list, given the expression and range.
2695 (output_loc_list): New function, output a location list.
2696 (gen_internal_sym): Modified to take symbol prefix, so we can
2697 reuse it for location list symbols.
2698 (add_AT_loc_list): New function, add a location list to a DIE at
2699 the named attribute.
2700 (AT_loc_list): New function, return the location list reference
2701 for a given attribute, if it's a location list.
2702 (print_die): Handle dw_val_class_loc_list.
2703 (size_of_die): Ditto.
2704 (value_format): Ditto.
2705 (output_die): Ditto.
2706 (output_location_lists): New function, output all of the location
2707 lists for a DIE and it's children.
2708 (dwarf2out_finish): Call output_location_lists if we have location
2712 Fri May 18 15:39:16 CEST 2001 Jan Hubicka <jh@suse.cz>
2714 * gcse.c (try_replace_reg): First try global replace, later try to
2715 simplify the expression.
2717 * gcse.c (find_used_regs): Change calling convention; work via
2719 (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
2721 2001-05-18 Bernd Schmidt <bernds@redhat.com>
2724 2001-02-09 Nick Clifton <nickc@redhat.com>
2725 * config/arm/arm.md: Change output constraint on post inc
2726 load/store multiple patterns to be a read/write constraint.
2728 2001-05-18 Mark Mitchell <mark@codesourcery.com>
2730 * basic-block.h (struct basic_block_def): Add documentation about
2731 what a basic block is, and what the various fields are used for.
2732 * flow.c (calculate_globlal_regs_live): Add documentation about
2733 how the algorithm works, and how we know that it will terminate.
2734 Check that the the inductive assumption that guarantees
2735 termination actually holds.
2736 (mark_used_regs): Treat conditionally set registers as used.
2737 (debug_regset): Add comment.
2738 * rtl.texi (cond_exec): Add documentation.
2740 * function.c (expand_function_start): Avoid creating BLKmode
2743 2001-05-17 Mark Mitchell <mark@codesourcery.com>
2745 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
2746 DIE, even if it has no children.
2747 (dwarf2out_finish): Always output the line-number table, even if
2750 2001-05-18 David Edelsohn <edelsohn@gnu.org>
2752 * rs6000.md (movsfcc,movdfcc): Remove NE case.
2754 2001-05-17 Bruce Korb <bkorb@gnu.org>
2756 * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
2757 * fixinc/genfixes: emit a warning if AutoGen is out of date
2759 2001-05-17 Brendan Conoboy <blc@cygnus.com>
2760 Bruce Korb <bkorb@gnu.org>
2762 * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
2763 found in fixinc directory. Facilitates binary distributions.
2765 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
2767 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
2770 Thu May 17 19:42:39 2001 Mark Kettenis <kettenis@wins.uva.nl>
2772 * dwarf2out.c (modified_type_die): Equate qualified type to die.
2774 Thu May 17 23:19:46 CEST 2001 Jan Hubicka <jh@suse.cz>
2776 * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
2777 (simplify_subreg): Handle complex types represented as CONCAT.
2779 * recog.c (validate_replace_rtx_1): Properly canonicalize expression
2780 * rtl.h (swap_commutative_operands_p): Declare.
2781 * rtlanal.c (swap_commutative_operands_p): New.
2782 (operand_preference): New static function.
2784 * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
2785 (gen_binary): Likewise.
2786 * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
2787 * simplify-rtx.c (simplify_gen_binary,
2788 simplify_gen_relational): Likewise.
2790 Thu May 17 20:43:36 CEST 2001 Jan Hubicka <jh@suse.cz>
2792 * cse.c (fold_rtx): Use simplify_subreg.
2794 * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
2795 (simplify_gen_subreg): New.
2796 (simplify_rtx): Use simplify_subreg.
2797 * rtl.h (simplify_gen_subreg): Declare.
2799 2001-05-17 Mark Mitchell <mark@codesourcery.com>
2801 * doc/install.texi: Update Solaris information.
2803 * except.h (protect_cleanup_actions): Remove it.
2804 (lang_protect_cleanup_actions): Declare it.
2805 * except.c (protect_cleanup_actions): Remove it.
2806 (lang_protect_cleanup_actions): New variable.
2807 (init_eh): Don't make protect_cleanup_actions a GC root.
2808 (expand_eh_region_and_cleanup): Call
2809 lang_protect_cleanup_actions.
2810 (output_function_exception_table): Remove unused `align'
2812 * varasm.c (assemble_external): Abort if we have not yet
2813 opened the assembly output file.
2815 Thu May 17 11:54:50 2001 Jeffrey A Law (law@cygnus.com)
2817 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
2818 for eh_personality_libfunc.
2820 Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
2822 * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
2823 when calling simplify_subreg. This is needed to allow replacing
2824 of expression of one mode by expression of different mode.
2826 Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz>
2828 * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs.
2830 2001-05-17 Bernd Schmidt <bernds@redhat.com>
2832 * expr.c (protect_from_queue): Protect against subsequent calls to
2834 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
2837 Thu May 17 18:17:34 CEST 2001 Jan Hubicka <jh@suse.cz>
2839 * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
2841 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2843 * gccbug.in (CATEGORIES): Add "bootstrap".
2845 Thu May 17 16:59:41 CEST 2001 Jan Hubicka <jh@suse.cz>
2847 * simplify-rtx.c (simplify_subreg): Break out from ...
2848 * combine.c (combine_splify_rtx) ... here and ...
2849 * recog.c (validate_replace_rtx_1): ... here;
2850 * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
2851 * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
2852 (subreg_lowpart_p): ... here.
2854 2001-05-17 Bernd Schmidt <bernds@redhat.com>
2856 * stmt.c (expand_asm_operands): For inout operands, make sure
2857 the substitution of '=' for '+' makes it into the rtl.
2859 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
2860 (reload_as_needed): Call update_eliminable_offsets a bit later.
2862 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2864 * gcc.texi (gccbug): Refer to the web pages for detailed information
2867 2001-05-16 Zack Weinberg <zackw@stanford.edu>
2869 * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
2871 * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
2872 OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
2873 LIB1FUNCS, and LIB1FUNCS_EXTRA. Delete rules: libgcc1-test,
2874 libgcc1-test.o. Clarify commentary now that libgcc1 no longer exists.
2875 * cross-make: Don't set LIBGCC1.
2876 * mklibgcc.in: Delete all code for building from libgcc1.c.
2877 Always honor LIB1ASMFUNCS if set.
2879 * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
2880 config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
2881 config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
2882 config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
2883 config/i386/uwin.asm, config/m68hc11/larith.asm,
2884 config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
2885 config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
2886 config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
2887 config/v850/lib1funcs.asm, config/c4x/libgcc.S:
2888 Delete or update references to libgcc1 in commentary.
2890 * config/t-libc-ok, config/t-linux, config/t-linux-aout,
2891 config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
2892 config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
2893 config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
2894 config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
2895 config/arm/t-semi, config/arm/t-strongarm-coff,
2896 config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
2897 config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
2898 config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
2899 config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
2900 config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
2901 config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
2902 config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
2903 config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
2904 config/m68k/t-m68kbare, config/m68k/t-m68kelf,
2905 config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
2906 config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
2907 config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
2908 config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
2909 config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
2910 config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
2911 config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
2912 config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
2913 config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
2914 config/mips/t-ultrix, config/mn10200/t-mn10200,
2915 config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
2916 config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
2917 config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
2918 config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
2919 config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
2920 config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
2921 config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
2922 config/sparc/t-sparclite, config/sparc/t-splet,
2923 config/sparc/t-sunos41, config/sparc/t-vxsparc,
2924 config/sparc/t-vxsparc64, config/v850/t-v850:
2925 Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
2927 * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
2928 Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
2929 * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
2930 FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
2931 nongcc_SI_type, nongcc_word_type, or perform_*
2932 * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
2934 * config/i386/386bsd.h, config/i386/beos-elf.h,
2935 config/i386/linux-aout.h, config/i386/linux-oldld.h,
2936 config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
2937 config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
2938 Don't include i386/perform.h.
2940 * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
2941 config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
2942 config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
2943 config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
2944 config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
2945 config/vax/t-openbsd, config/vax/t-vax: Delete.
2947 * config.gcc: Remove references to deleted files.
2948 (arm-semi-aof): Use arm/t-semi for tmake_file.
2950 * gcc.texi, install.texi, invoke.texi, tm.texi:
2951 Delete or rewrite text which is no longer relevant now that
2952 libgcc1 no longer exists.
2954 * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
2955 No need to set INSTALL_ASSERT_H. (Missed in previous sweep.)
2957 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
2958 Bruce Korb <bkorb@gnu.org>
2960 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
2963 2001-05-16 Zack Weinberg <zackw@stanford.edu>
2965 * i386.md: Add two peepholes to clean up code generated by
2968 2001-05-16 Richard Henderson <rth@redhat.com>
2970 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
2971 variants of non-absolute encodings.
2973 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
2975 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
2976 __register_frame_info_table_bases): Export.
2978 2001-05-16 Richard Henderson <rth@redhat.com>
2980 * except.c (eh_data_format_name): Move to ...
2981 * dwarf2asm.c: ... here. Use designated initializers if available.
2982 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
2983 * dwarf2asm.h: Update declarations.
2984 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
2985 ASM_PREFERRED_EH_DATA_FORMAT.
2986 (output_call_frame_info): Likewise. Use 'L' augmentation for
2989 * unwind-dw2-fde.h (struct fde_vector): New.
2990 (struct old_object): Rename from struct object.
2991 (struct object): New.
2992 (__register_frame_info_bases): Declare.
2993 (__register_frame_info_table_bases): Declare.
2994 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
2995 * unwind-dw2-fde.c (objects): Remove.
2996 (unseen_objects, seen_objects): New.
2997 (__register_frame_info_bases): New.
2998 (__register_frame_info): Use it.
2999 (__register_frame_info_table_bases): New.
3000 (__register_frame_info_table): Use it.
3001 (__deregister_frame_info): Rewrite for changed object struct.
3002 (base_from_object, get_cie_encoding, get_fde_encoding): New.
3003 (fde_unencoded_compare): Rename from fde_compare; uninline.
3004 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
3005 (start_fde_sort): Adjust for new definition of fde_vector.
3006 (fde_insert): Likewise.
3007 (end_fde_sort): Likewise. Select comparison function based
3008 on properties of the object.
3009 (fde_split): Take object and fde_compare_t arguments.
3010 (frame_heapsort, fde_merge): Likewise.
3011 (classify_object_over_fdes): Rename from count_fdes. Handle
3012 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
3014 (add_fdes): Handle encoded pointers.
3015 (init_object): Rename from frame_init. Update for new struct object.
3016 (linear_search_fdes): Rename from search_fdes. Handle encoded
3018 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
3019 (binary_search_single_encoding_fdes): New.
3020 (binary_search_mixed_encoding_fdes): New.
3021 (search_object): New.
3022 (_Unwind_Find_FDE): Update for new struct object. Fill in
3024 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
3025 iterating over EH data.
3026 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
3027 fde_encoding, lsda_encoding.
3028 (read_uleb128, read_sleb128): Remove.
3029 (read_encoded_pointer): Remove. All callers use read_encoded_value.
3030 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
3031 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
3033 * unwind-pe.h: Add "struct" to _Unwind_Context references.
3035 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3037 * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
3038 * cpphash.c (_cpp_lookup_with_hash): Similarly.
3039 * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
3040 cpp_spell_token, cpp_output_token): Similarly.
3041 * cpplib.c (lex_macro_node, do_undef, do_pragma,
3042 do_pragma_poison, parse_assertion, do_assert): Similarly.
3043 * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
3044 save_parameter, _cpp_create_definition, check_trad_stringification,
3045 cpp_macro_definition): Similarly.
3046 * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
3047 * c-lex.c (cb_undef, c_lex): Similarly.
3048 * fix-header.c (recognized_function): Similarly.
3049 * cpplib.h (NODE_LEN, NODE_NAME): New.
3050 (cpp_hashnode): Rename length len.
3052 Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com)
3054 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
3057 2001-05-16 Andreas Jaeger <aj@suse.de>
3059 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
3061 * toplev.c: Include dwarf2asm.h for prototype of
3062 dw2_output_indirect_constants.
3064 Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz>
3066 * stmt.c (expand_asm_operands): Be able to offload addressof
3067 expression to memory. (PR optimization/185)
3069 Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz>
3071 * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
3072 applying distributive law.
3074 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
3076 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
3078 * gthr-dce.h (UNUSED): Attribute unused macro.
3079 (__gthread_key_dtor): Make arguments UNUSED.
3080 (__gthread_key_delete): Revise for compatibility with DRAFT4
3083 2001-05-16 David Edelsohn <edelsohn@gnu.org>
3085 * doc/install.texi: Update AIX information.
3086 * README.RS6000: Remove obsolete file.
3088 2001-05-16 Jakub Jelinek <jakub@redhat.com>
3089 Nathan Sidwell <nathan@codesourcery.com>
3091 * gcc.c (give_switch): Don't write before start of string.
3092 Always append suffix.
3094 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
3096 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
3099 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3101 * README.ALTOS: Remove obsolete file.
3103 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
3105 * c-lex.h (save_and_forget_protocol_qualifiers,
3106 forget_protocol_qualifiers, remember_protocol_qualifiers):
3107 Remove deleted functions' prototypes.
3109 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
3111 * c-parse.in (methodtype): New production.
3112 (methoddef, methodproto): Collapse separate '-' and '+'
3115 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3117 * c-common.h (RID_FIRST_PQ): New.
3118 * c-parse.in (objc_pq_context): New.
3119 (objc parser): Set objc_pq_context rather than calling
3120 remember_protocol_qualifiers and forget_protocol_qualifiers.
3121 Don't call save_and_forget_protocol_qualifiers.
3122 (yylexname): Handle objc protocol qualifiers here.
3123 * stringpool.c (struct str_header): Replace with sp_hashnode.
3124 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
3125 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
3126 Allocate an IDENTIFIER_NODE for each identifier.
3127 (FORALL_STRINGS, set_identifier): Delete.
3128 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
3129 (ggc_alloc_string): Use an obstack.
3130 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
3131 * tree.h: Update comments.
3132 (set_identifier): Delete.
3133 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
3134 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
3135 remember_protocol_qualifiers): Delete.
3137 Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
3139 * flow.c (life_analysis): After life analysis is complete, do
3140 an optional scan over insns looking for REG_LABEL notes that
3141 reference a deleted label.
3142 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
3143 before peeking at LABEL_NUSES.
3145 2001-05-15 Richard Henderson <rth@redhat.com>
3147 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
3148 (_Unwind_GetTextRelBase): New.
3150 2001-05-15 Mark Mitchell <mark@codesourcery.com>
3152 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
3154 2001-05-15 Geoffrey Keating <geoffk@redhat.com>
3156 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
3157 so that CHOOSE_SECTION gets used.
3159 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
3160 TARGET_RELOCATABLE like flag_pic for now.
3162 2001-05-15 David Edelsohn <edelsohn@gnu.org>
3164 * rs6000.md (movdi splitter): Sign extend more efficiently.
3165 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
3166 to "long long" valid on 32-bit and 64-bit hosts.
3167 (logical_operand): Cast trunc_int_for_mode return value.
3168 (rs6000_emit_move): Shift macro to encapsulate variable.
3169 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
3170 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
3171 plus_constant requires signed argument.
3173 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
3175 * gthr-posix.h: Make additional pthread-* functions weak.
3177 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
3179 * recog.c (apply_change_group): Avoid unneeded validating.
3181 2001-05-14 David Edelsohn <edelsohn@gnu.org>
3183 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
3184 (num_insns_constant): CONST_INT can be 64-bits.
3186 2001-05-14 Stan Shebs <shebs@apple.com>
3188 * config/darwin.h (LIB_SPEC): Just use -lSystem.
3189 (LIBGCC_SPEC): Don't define.
3191 2001-05-14 Richard Henderson <rth@redhat.com>
3193 * configure.in (gcc_cv_as_eh_frame): New test.
3194 * config.in, configure: Rebuild.
3195 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
3197 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
3199 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
3200 extended precision divide.
3202 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
3204 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
3205 for RETURNS as well.
3207 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
3209 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
3210 (CPP_CPU??_SIZE_TYPE): New.
3211 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
3212 (CPP_CPU_SPEC): ... here; support choosing of CPU.
3213 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
3214 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
3216 * i386.c (override_options): Add sorry about not suported modes.
3218 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
3220 * config/pa/som.h (NM_FLAGS): Remove.
3221 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
3222 (ASM_OUTPUT_SECTION_NAME): Remove.
3223 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
3225 2001-05-14 Mark Mitchell <mark@codesourcery.com>
3227 * regrename.c (regrename_optimize): Do not rename registers to
3230 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
3232 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
3233 contain MEMs. Remove useless distinction about clobbering
3236 2001-05-13 Geoff Keating <geoffk@redhat.com>
3238 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
3239 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
3240 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
3241 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
3242 (EXCEPTION_SECTION): Define.
3244 2001-05-13 Zack Weinberg <zackw@stanford.edu>
3246 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
3247 binary backward compat only.
3248 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
3249 in LIB2FUNCS. Pass it to mklibgcc.
3250 * mklibgcc.in: Handle LIB2FUNCS_ST.
3252 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
3254 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
3256 * tm.texi (THREAD_MODEL_SPEC): Document it.
3257 * gcc.c (main): Use it.
3258 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
3259 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
3261 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3263 * rtl.h (SYMBOL_REF_WEAK): New macro.
3264 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
3265 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
3266 * rtl.texi (SYMBOL_REF_WEAK): Document it.
3267 * gcc.texi: Remove wrong description.
3269 2001-05-13 Mark Mitchell <mark@codesourcery.com>
3271 * Makefile.in (STAMP): New macro.
3272 Replace all uses of `touch' with $(STAMP).
3273 * fixinc/Makefile.in: Likewise.
3275 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3277 * configure.in: ldopen is never in -lexc, so don't test for it.
3278 Add test for exc_resume in -lexc for Ada.
3279 * configure: Regenerated.
3281 2001-05-12 Richard Henderson <rth@redhat.com>
3283 * dwarf2asm.c (size_of_encoded_value): New function.
3284 * dwarf2asm.h: Declare it.
3285 * except.c (output_function_exception_table): Align the TType
3286 array only as wide as the encoding.
3288 2001-05-12 Zack Weinberg <zackw@stanford.edu>
3290 * extend.texi: Document #pragma GCC java_exceptions.
3292 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3294 * c-parse.in (bison parser, init_reswords): Remove uses of
3296 * c-tree.h (doing_objc_thang): Remove.
3298 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
3300 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
3301 about files not ending in newlines.
3303 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
3305 * dwarfout.c (dwarfout_init): Add cast.
3306 * sched-deps.c (sched_analyze_insn): Remove unused vars.
3307 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
3309 * method.c (build_mangled_C99_name): Remove unused prototype.
3311 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
3313 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
3315 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
3317 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
3318 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
3320 2001-05-11 Richard Henderson <rth@redhat.com>
3322 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
3323 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
3324 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
3325 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
3326 (dw2_output_indirect_constants): Prototype.
3327 * dwarf2out.c (dwarf2out_begin_prologue): Generate
3328 current_function_func_begin_label if we'll need it for EH. Exit
3329 early for IA64_UNWIND_INFO.
3330 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
3331 (eh_data_format_name): Update for indirect references.
3332 (output_function_exception_table): Care for IA64_UNWIND_INFO.
3333 Handle ASM_PREFERRED_EH_DATA_FORMAT.
3334 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
3335 define HAVE_eh_return etc.
3336 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
3337 (final_end_function): Don't call output_function_exception_table.
3338 * toplev.c (compile_file): Call dw2_output_indirect_constants.
3339 (rest_of_compilation): Invoke output_function_exception_table
3340 for ia64 before assemble_end_function.
3341 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
3342 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
3344 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
3345 * unwind.h: Declare them.
3346 * libgcc-std.ver: Export them.
3347 * unwind-pe.h: New file.
3349 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
3351 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
3353 (find_fde_for_dso): Extract DT_PLTGOT.
3354 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
3355 the segment and gp as well.
3356 * config/ia64/frame-ia64.c: Remove file.
3357 * config/ia64/frame-ia64.h: Remove file.
3358 * config/ia64/unwind-ia64.c: New file.
3359 * config/ia64/unwind-ia64.h: New file.
3360 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
3361 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
3362 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
3363 (ASM_PREFERRED_EH_DATA_FORMAT): New.
3364 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
3365 (IA64_UNWIND_INFO): Re-enable.
3366 (HANDLER_SECTION): Remove.
3367 (EH_RETURN_DATA_REGNO): New.
3368 * config/ia64/ia64.md (exception_receiver): Remove.
3369 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
3370 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
3372 2001-05-11 Richard Henderson <rth@redhat.com>
3374 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
3375 calls and jumps to be bundled together.
3376 (ia64_reorg): Emit a break after a noreturn call that ends
3378 * config/ia64/ia64.md (break_f): New.
3380 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
3382 * c-lex.c (lex_charconst): Convert into a simple wrapper
3383 around cpp_interpret_charconst, to which most of the code
3385 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
3386 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
3387 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
3388 (lex): Use cpp_interpret_charconst.
3389 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
3390 hex_digit_value): New functions.
3391 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
3392 * cpplib.h (cpp_interpret_charconst): New prototype.
3393 * Makefile.in: Update.
3395 2001-05-12 Dean Wakerley <dean@wakerley.com>
3397 * doc/install.texi: New file. Converted to texinfo from the HTML
3398 documentation in wwwdocs/htdocs/install.
3400 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
3402 * gcse.c (insert_insn_end_bb): Do not search for assignments to
3403 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
3405 * toplev.c (compile_file): Move comment for opening output
3406 file to just before the code that opens the output file.
3408 2001-05-11 Jakub Jelinek <jakub@redhat.com>
3410 * regmove.c (regmove_optimize): Suppress the optimization for
3411 unchanging destination register. Add comment above function.
3413 2001-05-11 Zack Weinberg <zackw@stanford.edu>
3415 * Makefile.in: Exterminate all references to assert.h.
3416 * cross-make: Likewise.
3418 * configure.in: Correct commentary.
3419 * configure: Regenerate.
3421 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
3424 * config/t-freebsd, config/t-linux, config/t-linux-aout,
3425 config/t-netbsd, config/t-rtems, config/x-linux,
3426 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
3427 No need to override INSTALL_ASSERT_H.
3429 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
3430 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
3431 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
3433 2001-05-11 Graham Stott <grahams@redhat.com>
3435 * combine.c (simplify_comparison): Fix typo.
3437 2001-05-11 Mark Mitchell <mark@codesourcery.com>
3439 * loop.h (struct movables): Remove `num'.
3440 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
3441 Adjust call to strength_reduce.
3442 (num_unmoved_movables): New function.
3443 (move_movables): Don't set movables->num.
3444 (strength_reduce): Compute the number of instructions in the loop
3445 here, rather than in the caller.
3446 (check_dbra_loop): Always clear reversible_mem_store if there
3447 are any memory sets.
3448 (loop_regs_scan): Don't count instructions here.
3449 (count_insn_in_loop): New function.
3451 2001-05-11 Mark Mitchell <mark@codesourcery.com>
3453 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
3455 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
3457 * c-common.c (finish_label_expr): New function, lifted from
3458 from cp/semantics.c.
3459 * c-common.h (finish_label_expr, lookup_label): New prototypes.
3460 * c-parse.in: Move 3 blocks of parser code into new functions.
3461 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
3462 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
3463 (lookup_label): Remove.
3465 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
3467 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
3468 FLOAT_BIT_ORDER_MISMATCH.
3470 2001-05-10 David Edelsohn <edelsohn@gnu.org>
3472 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
3473 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
3475 2001-05-10 David Edelsohn <edelsohn@gnu.org>
3477 * expr.c (emit_group_load): extract_bit_field requires a REG or
3480 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
3482 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
3483 a computed jump into an unconditional jump.
3484 In second hunk of code for collapsing computed and conditional jumps
3485 into unconditional jumps, reemit the jump in additional cases.
3487 * jump.c (jump_optimize_1): Do not wrap the new jump target
3488 inside a LABEL_REF; gen_jump will do that automatically.
3490 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
3492 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
3493 contents for a SYMBOL_REF in case of floating point constants.
3495 2001-05-10 DJ Delorie <dj@redhat.com>
3497 * c-common.c (combine_strings): Widen strings in a
3498 host-endian-independent way.
3500 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
3502 * c-parse.in: Remove many shift/reduce conflicts. Update
3504 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
3505 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
3506 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
3507 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
3508 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
3509 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
3510 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
3511 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
3512 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
3513 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
3514 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
3515 typespec_reserved_nonattr, typespec_reserved_attr,
3516 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
3517 structsp_nonattr, components_notype, component_notype_declarator,
3518 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
3519 firstparm, setspecs_fp): New
3520 (typed_declspecs, reserved_declspecs, typed_typespecs,
3521 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
3522 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
3523 declmods_no_prefix_attr, nonempty_type_quals, structsp,
3524 type_quals): Remove. Users updated.
3525 (initdecls, notype_initdecls, after_type_declarator,
3526 parm_declarator, notype_declarator, absdcl1, components, ivars):
3527 Don't allow attributes at the start of a declarator; include them
3528 in the production containing the declarator instead. Always
3529 require type specifiers before trying to redeclare a typedef name.
3530 (typename): Allow for attributes but warn that they are ignored.
3531 (parmlist, firstparm, setspecs_fp): Include attributes in
3532 parmlist; suck them off the parser stack in firstparm using
3535 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
3537 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
3538 to determine if a block has an unconditional jump at its end.
3540 * jump.c (jump_optimize_1): When converting a conditional jump
3541 to an unconditional jump, build the jump using gen_jump instead
3542 of just modify operands in-place.
3544 2001-05-09 Zack Weinberg <zackw@stanford.edu>
3546 * cppinit.c (cpp_post_options): Shut off macro expansion if
3548 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
3549 IN_I directives only if the # is in column 1 and the directive
3550 name begins in column 2.
3551 * cppmain.c (scan_buffer): Insert a space between # and an
3552 identifier, when that identifier is a directive name.
3554 * tradcpp.c (struct file_buf): Add a pointer to the next entry
3555 in the header search path.
3556 (enum node_type): Add T_INCLUDE_NEXT.
3557 (directive_table): Add entry for include_next.
3558 (do_include_next): New function.
3559 (process_include): New routine, broken out of do_include.
3560 (finclude): Insert 'nhd' argument, to be copied into
3561 next_header_dir of the new buffer.
3562 (main): Adjust to match.
3563 * gsyslimits.h, limity.h: Un-indent #include_next.
3565 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
3567 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
3568 inclusion as a chapter of the GCC manual.
3569 * gcc.texi: Include objc.texi.
3570 * fdl.texi: Use @unnumberedsec for the addendum.
3571 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
3573 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
3575 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
3577 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
3579 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
3580 handling of two-address insns.
3582 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
3584 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
3585 ../binutils/nm-new instead of ../binutils/nm.
3587 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
3589 * i386.md (movdi splitter): Fix the splitting condition
3590 (float_extenddftf splitter): Fix mode.
3592 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
3594 * genrecog.c (write_switch): Avoid outputting of switch for
3595 types wider than int.
3597 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
3599 * reload1.c (copy_eh_notes): New function.
3600 (emit_input_reload_insns): Call it.
3601 (emit_output_reload_insns): Call it.
3603 2001-05-07 Zack Weinberg <zackw@stanford.edu>
3605 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
3607 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
3608 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
3610 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
3612 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
3614 * pa.md (interspace_jump): Revise comment.
3615 (builtin_longjmp): Block initial setup insns from delay slot of
3617 (builtin_setjmp_receiver): New expander to save and restore PIC
3620 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
3622 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
3624 * toplev.c (compile_file): Set up the output file before we call
3625 the various initializers for the compiler.
3627 * except.c (sjlj_mark_call_sites): Do not search for assignments to
3628 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
3630 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
3631 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
3633 2001-05-06 Zack Weinberg <zackw@stanford.edu>
3635 * Makefile.in (tradcpp0): Correct typo in dependency list.
3637 2001-05-06 Geoff Keating <geoffk@redhat.com>
3639 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
3640 the link register if we're not going to use it.
3642 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
3643 (output_function_profiler): Likewise.
3645 2001-05-07 Alan Modra <amodra@one.net.au>
3647 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
3649 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
3651 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
3652 zero-extend it. Make abs_inc unsigned.
3654 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
3655 widest mode in narrowing and widening operations.
3657 * config/mips/mips.md: Sign extend CONST_INTs.
3659 2001-05-06 Andreas Jaeger <aj@suse.de>
3661 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
3662 (i386 Options): Document -momit-leaf-frame-pointer.
3664 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
3666 * c-typeck.c (internal_build_compound_expr): Check for
3667 array to pointer conversion just once.
3669 2001-05-05 Richard Henderson <rth@redhat.com>
3671 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
3673 2001-05-05 Richard Henderson <rth@redhat.com>
3675 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
3676 to the parent of the fixup region.
3678 2001-05-05 Jakub Jelinek <jakub@redhat.com>
3680 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
3682 * cpp.texi (__NO_INLINE): Document it.
3684 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
3686 * cppfiles.c (struct include_file): New member err_no.
3687 (find_or_create_entry): Set it.
3688 (open_file): Don't set fds to -2. Instead, use err_no to
3689 remember previous errors, if any.
3691 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3693 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
3694 between X and Y by using sequences of xgdx and xgdy.
3696 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3698 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
3699 of '!' for the 'D' alternative ('!' is too strong).
3700 ("*logicalsi3_silshl16"): Likewise.
3701 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
3702 ("movstrictsi"): Remove spurious '+'.
3703 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
3704 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
3705 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
3708 2001-05-04 David Edelsohn <edelsohn@gnu.org>
3710 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
3712 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
3714 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
3717 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3719 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
3722 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3724 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
3725 soft register, use ror instead of rol.
3727 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3729 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
3730 into account pre/post increment decrement for 68HC12.
3731 Fix other problems in replacement and fix call to reg_mentioned_p.
3733 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3735 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
3736 Put the soft registers in bss for 68HC12.
3737 (L_regs_d3_4): New for _.d3 and _.d4.
3738 (L_regs_d5_6): Likewise.
3739 (L_regs_d1_2): Likewise.
3740 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
3742 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3744 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
3745 to the pre-processor when -fshort-double is specified.
3746 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
3748 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3750 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
3751 (__mulsi3): Rewrite for 68HC12.
3752 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
3753 Mark 'x' constraint with earlyclobber to prevent a
3754 RELOAD_FOR_OTHER_ADDRESS to go in it.
3755 (mulhi3_m68hc12): New pattern.
3756 (mulhi3_m68hc11): Rename of mulhi3.
3757 (mulhi3): New expand for 68HC12 optimisation.
3758 (umulhisi3, mulhisi3): New patterns for 68HC12.
3760 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3762 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
3763 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
3764 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
3766 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3768 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
3769 constants cheap after reload.
3770 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
3772 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
3773 so that gcc prefers a shift by 16.
3774 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
3776 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
3778 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
3780 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3782 * alpha.h: NULL_PTR -> NULL.
3789 * i386.md: Likewise.
3792 * m68hc11.h: Likewise.
3793 * rs6000.h: Likewise.
3796 * sparc.h: Likewise.
3800 * final.c: Likewise.
3802 * recog.c: Likewise.
3804 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3806 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
3807 `bool' parameter to `int'.
3809 * hash.c (hash_lookup): Likewise.
3811 * hash.h (hash_lookup): Likewise.
3813 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
3815 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
3817 * i386.c (x86_initialize_trampoline): Fix mode of constant.
3819 2001-05-03 Geoff Keating <geoffk@redhat.com>
3821 * invoke.texi (i386 Options): Delete references to -malign-jumps,
3822 -malign-loops, -malign-functions.
3823 * i386.c (ix86_align_funcs): Delete.
3824 (ix86_align_loops): Delete.
3825 (ix86_align_jumps): Delete.
3826 (override_options): Mark -malign-* as obsolete. Emulate their
3827 behaviour with the -falign-* options. Default -falign-* from
3828 the processor table.
3829 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
3830 patch of Wed May 2 13:09:36 2001.
3831 (LOOP_ALIGN): Delete.
3832 (LOOP_ALIGN_MAX_SKIP): Delete.
3833 (LABEL_ALIGN_AFTER_BARRIER): Delete.
3834 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
3836 2001-05-04 Andreas Jaeger <aj@suse.de>
3838 * except.h: Add prototype declaration for
3839 expand_builtin_init_dwarf_reg_sizes.
3841 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
3843 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
3845 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3847 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
3849 ("bitcmpqi2"): New pattern for bit-extract and test.
3850 ("bitcmphi"): New pattern for bitb/bita instructions.
3852 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
3854 * gccbug.in: Use a temporary directory when the mktemp command is
3857 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3859 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
3861 (INITIALIZE_TRAMPOLINE): Call it.
3862 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
3863 (TRAMPOLINE_TEMPLATE): Remove.
3864 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
3865 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
3868 2001-05-03 David O'Brien <obrien@FreeBSD.org>
3870 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
3871 and crtendS.o with PIC.
3873 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3875 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
3877 (___subdi3, ___adddi3): Use x instead of y as index register.
3878 (__init_bss_section, __map_data_section): Optimize for 68HC12.
3879 (__memset, __memcpy): Likewise.
3880 (regs): Put the soft registers in bss for 68HC12.
3881 (abort): Use trap to abort for 68hc12.
3882 (__mulhi3, __mulhi32): Use emul for 68hc12.
3883 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
3885 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3887 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
3888 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
3889 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
3890 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
3891 Set 68HC12 min offset to -65536.
3892 (print_operand): Put parenthesis arround the operand if it refers
3893 to a symbol having the same name as a register.
3894 (m68hc11_z_replacement): When z register is replaced by its
3895 equivalent soft register, force the insn to be re-recognized.
3896 (m68hc11_check_z_replacement): Fix the test when destination is
3897 the index register and z dies in the insn.
3898 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
3900 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3902 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
3903 costs according to processor variant.
3904 (m68hc11_shift_cost): New function to compute shift costs.
3905 (m68hc11_rtx_costs): Define costs according to processor variant.
3906 (m6811_cost): Costs for 68HC11.
3907 (m6812_cost): Costs for 68HC12.
3908 (COSTS_N_INSNS): Remove.
3910 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
3911 (DEFAULT_RTX_COSTS): Remove.
3912 (CONST_COSTS): Define costs according to OUTER_CODE.
3913 (processor_costs): New struct to define costs.
3914 (m68hc11_cost): Pointer to current costs.
3916 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3918 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
3919 and use m68hc11_notice_keep_cc when using leax/leay.
3920 (addhi3 split): Reject split if the insn is handled by
3922 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
3923 push must be handled in a special way if the source operand uses
3924 sp as index register.
3925 (m68hc11_notice_keep_cc): New function.
3926 (m68hc11_gen_movhi): Use it when an insn changes a register but
3928 (m68hc11_gen_movqi): Fix move for 68HC12.
3929 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
3931 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3933 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
3934 and don't pass operands[0] to emit_library_call_value.
3936 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3938 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
3939 (zero_extendsi split): Simplify and use (zero_extendhi).
3940 (*addhi3): Remove 'w' constraint since stack pointer is handled
3942 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
3943 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
3944 (*ashrhi3_const): Fix shift by 7.
3945 (*lshrsi3_const16): Fix template.
3946 (call, call_value): Fix constraint and predicate.
3948 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3950 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
3951 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
3952 (CC_REGNUM): Likewise.
3953 (*unnamed splits): Use above constants instead of hard coded numbers.
3954 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
3955 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
3956 (*return_16bit, *unnamed peepholes): Likewise.
3958 2001-05-03 David O'Brien <obrien@FreeBSD.org>
3960 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
3961 rs6000/rs6000.h twice.
3963 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
3965 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
3966 (CPP_SPEC): Conditionally define MSDOS and GO32.
3967 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
3968 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
3970 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
3972 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
3974 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
3976 2001-05-03 Mark Mitchell <mark@codesourcery.com>
3978 * integrate.h (struct inline_remap): Add leaf_reg_map table.
3979 * integrate.c (expand_inline_function): Use xcalloc to allocate
3981 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
3984 2001-05-03 Mark Mitchell <mark@codesourcery.com>
3986 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
3989 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
3991 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
3992 linker if -mrelax is given.
3993 (TARGET_SWITCHES): Document -mrelax.
3995 Re-installed 2001-01-09's patch:
3996 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
3997 if it's wider than long and the target's long is wider than the
4000 2001-05-02 David O'Brien <obrien@FreeBSD.org>
4002 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
4003 directly include rs6000/rs6000.h. Instead do it in tm.h.
4005 2001-05-02 Stan Shebs <shebs@apple.com>
4007 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
4008 NSConstantString for NeXT-style runtimes.
4009 (STRING_OBJECT_GLOBAL_NAME): New macro.
4010 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
4011 OCTI_STRING_CLASS_DECL.
4012 (constant_string_global_id): New macro.
4013 (string_class_decl): Ditto.
4014 (setup_string_decl): New function.
4015 (build_objc_string_object): Use it to build a NeXT runtime
4016 compatible string initializer.
4018 2001-05-02 Jakub Jelinek <jakub@redhat.com>
4020 * tradcpp.c (do_define): Make sure we don't walk past limit.
4022 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4024 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
4025 offsets if not REG_OK_STRICT.
4027 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
4028 (INT_REG_OK_FOR_INDEX_P): Likewise.
4029 (INT_REG_OK_FOR_BASE_P): Likewise.
4030 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
4031 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
4032 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
4033 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
4034 REG_OK_FOR_BASE_P. Take an additional parameter.
4035 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
4036 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
4037 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
4038 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
4039 rs6000_legitimate_address() and use it.
4040 * config/rs6000/rs6000.c: Update all callers.
4041 (rs6000_legitimate_address): New function.
4043 2001-05-02 David Edelsohn <edelsohn@gnu.org>
4045 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
4046 special_constant conditional blocks together.
4048 2001-05-02 Dale Johannesen <dalej@apple.com>
4050 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
4052 (STRICT_ARGUMENT_NAMING): Define.
4053 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
4054 function_arg_partial_nregs, setup_incoming_varargs): Remove
4055 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
4058 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4060 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
4062 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
4065 * expr.c (store_field): Do nothing except elaborate side-effects if
4068 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4070 * c-lex.c: NULL_PTR -> NULL.
4072 * emit-rtl.c: Likewise.
4074 * genpeep.c: Likewise.
4076 * mips-tdump.c: Likewise.
4077 * reload1.c: Likewise.
4078 * rtlanal.c: Likewise.
4080 * stor-layout.c: Likewise.
4081 * toplev.c: Likewise.
4083 2001-05-01 Per Bothner <per@bothner.com>
4085 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
4086 call do_pending_stack_adjust before emiting label.
4088 2001-05-01 Mark Mitchell <mark@codesourcery.com>
4090 * extend.texi: Fix typo.
4092 2001-05-01 Stan Shebs <shebs@apple.com>
4094 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
4095 of UOBJC_MODULES_decl.
4096 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
4097 (generate_descriptor_table): Ditto.
4098 (generate_protocols): Ditto.
4099 (generate_protocol_list): Ditto.
4100 (generate_classref_translation_entry): Ditto.
4102 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
4104 * invoke.texi (Optimize Options): Add documentation for `--param
4105 max-delay-slot-insn-search' and `--param
4106 max-delay-slot-live-search' and reorder --param section.
4107 * params.def: Modify initial comment.
4108 * params.h (param_info): Add `help' member.
4109 * toplev.c (lang_independent_params): Include `help' description.
4110 (display_help): Print --param parameters.
4112 2001-05-01 Zack Weinberg <zackw@stanford.edu>
4114 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
4115 Remove references to deleted files.
4116 (*-*-openbsd): No need to override xmake_file.
4117 (*-*-sysv4): Treat like *-*-sysv.
4119 * configure.in: Probe for ldopen in various places, and set up
4120 collect2 to be linked with them if found.
4121 Don't dink with Windows registry stuff unless $host_os is a
4122 Win32 os name. Check to see if we need -ladvapi32.
4123 * configure: Regenerate.
4125 * Makefile: Get rid of CLIB and HOST_CLIB.
4126 Substitute in COLLECT2_LIBS and link collect2 against its contents.
4127 * build-make: Get rid of HOST_CLIB.
4129 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
4130 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
4131 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
4132 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
4133 config/rs6000/x-rs6000: Delete.
4135 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
4138 24 x-host fragments remain, 0 x-cpu, 3 top level.
4140 2001-05-01 Zack Weinberg <zackw@stanford.edu>
4142 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
4143 * configure: Regenerate.
4145 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
4147 * Makefile.in (install-headers): Remove redundant dependency.
4149 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
4151 * c-tree.texi (USING_STMT): Document.
4153 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4155 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
4156 * c-common.c: Likewise.
4157 * c-decl.c: Likewise.
4158 * combine.c: Likewise.
4159 * rs6000.c: Likewise.
4160 * except.c: Likewise.
4161 * explow.c: Likewise.
4163 * fold-const.c: Likewise.
4164 * function.c: Likewise.
4167 * integrate.c: Likewise.
4169 * objc/objc-act.c: Likewise.
4170 * recog.c: Likewise.
4171 * reg-stack.c: Likewise.
4172 * reload.c: Likewise.
4173 * reload1.c: Likewise.
4174 * simplify-rtx.c: Likewise.
4176 * varasm.c: Likewise.
4178 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
4180 * diagnostic.def: New file.
4181 * diagnostic.h (diagnostic_t): New enum.
4182 * Makefile.in (diagnostic.o): Depend on diagnostic.def
4184 2001-04-30 Zack Weinberg <zackw@stanford.edu>
4186 * tsystem.h: Test only POSIX for availability of string.h
4188 * config.gcc (all systems): If USG appeared in xm_defines,
4189 change it to POSIX. If both USG and POSIX appeared, just
4190 delete USG. Remove unnecessary quotes around xm_defines
4192 (m68k-crds-unos*): Don't #define unos - tested nowhere.
4193 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
4194 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
4195 powerpc-*-linux*): No need to set xm_defines - handled by
4196 global settings for *-*-linux*.
4198 2001-04-30 Zack Weinberg <zackw@stanford.edu>
4200 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
4201 Always include gstab.h, not system stab.h. Don't provide
4202 default definitions of N_CATCH or N_OPT. Always use the
4203 gstab.h variant of STAB_CODE_TYPE.
4204 * final.c: Don't include stab.h/gstab.h at all, or provide
4205 defaults for N_SLINE and N_SOL.
4207 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
4208 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
4210 * sdbout.c: Always include gsyms.h instead of system syms.h.
4212 * configure.in: No need to check for stab.h.
4213 * configure, config.in: Regenerate.
4214 * Makefile.in (final.o): Don't depend on gstab.h.
4216 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4217 Richard Henderson <rth@redhat.com>
4219 * extend.texi: Improve documentation of volatile asms.
4221 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4223 * c-tree.texi: Fix thinko.
4224 * gcc.texi: Likewise.
4226 2001-04-30 Richard Henderson <rth@redhat.com>
4228 * c-common.c (c_promoting_integer_type_p): New function, from the
4229 corpse of old macro. Properly promote too-small enumerations and
4230 booleans. Adjust all callers.
4231 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
4232 (c_promoting_integer_type_p): Declare.
4233 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
4234 * c-typeck.c: Likewise.
4235 (default_conversion): Remove now redundant boolean check.
4237 2001-04-30 Jan Hubicka <jh@suse.cz>
4238 Richard Henderson <rth@redhat.com>
4240 * regmove.c (try_apply_stack_adjustment): Remove now redundant
4242 (combine_stack_adjustments_for_block): Don't combine stack
4243 allocation followed by deallocations. Handle grow-up stacks.
4245 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4247 * fdl.texi: New file.
4248 * c-tree.texi: Use the GFDL.
4249 * gcc.texi: Likewise.
4251 2001-04-30 Stan Shebs <shebs@apple.com>
4253 * invoke.texi: Add a section documenting Objective-C options.
4255 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
4257 * emit-rtl.c (try_split): Copy EH notes to sequence.
4259 2001-04-30 Mark Mitchell <mark@codesourcery.com>
4261 * regmove.c (record_stack_memrefs): Catch all references to the
4264 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
4266 * Makefile.in (stmp-fixinc): quote shell assignment values
4268 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4270 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
4274 * prefix.c: Likewise.
4276 2001-04-28 Stan Shebs <shebs@apple.com>
4278 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
4279 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
4280 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
4281 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
4283 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
4284 (NEXT_OBJC_RUNTIME): Define.
4286 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
4288 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
4289 * simplify-rtx.c (simplify_gen_relational): Likewise.
4291 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
4293 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
4294 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
4296 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
4297 registers in SSE case; fix handling of the immediates.
4298 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
4299 operands to be in regsiters before reload.
4300 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
4301 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
4302 (abstf,absxf,negtf,negxf splitters): Compute
4303 properly the regnum for x86_64.
4304 (avsdf2_if_rex64): New.
4306 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
4308 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
4309 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
4310 into the constant pool.
4311 * jump.c (jump_optimize_1): Remove barrier successors after all
4312 the LABEL_NUSES counds have been computed.
4313 (delete_barrier_successors): When deleting a tablejump insn, also
4314 delete the jump table it uses.
4315 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
4318 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
4320 * pa.c (FRP): Remove erroneous white space in macro definition.
4322 2001-04-28 Andreas Jaeger <aj@suse.de>
4324 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
4326 * extend.texi: Likewise.
4327 * tm.texi: Likewise.
4329 2001-04-28 Andreas Jaeger <aj@suse.de>
4331 * md.texi: Use XX-bit instead of XXbit or XX bit where
4334 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
4336 * gcc.c (process_command): Allow -l lib in addition to -llib
4337 for POSIX compliance. This fixes PR c/2347.
4339 * invoke.texi: Update section on Link Options accordingly.
4341 2001-04-27 Zack Weinberg <zackw@stanford.edu>
4343 * function.c (purge_addressof_1): Remove the duplicate
4344 if (code == SET) block. Fold the two if (code == ADDRESSOF)
4347 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
4349 * except.c (expand_eh_region_start): Don't start a new block.
4350 (expand_eh_region_end): Don't end a block.
4351 * stmt.c (expand_end_bindings): Don't end EH blocks.
4352 (expand_decl_cleanup): Starting an EH region won't change the block.
4353 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
4354 (is_eh_region): Lose.
4357 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
4359 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
4361 * collect2.c (main): Add `-L' case to remove duplicate entries.
4362 (is_in_args): New function to check for a duplicate argument.
4363 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
4364 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
4365 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
4366 Define to be nonzero.
4368 2001-04-27 Andreas Jaeger <aj@suse.de>
4369 Richard Henderson <rth@redhat.com>
4371 * md.texi (Machine Constraints): Document additional i386
4372 constraints and fix description of "A".
4374 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
4376 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
4378 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
4380 * except.c (get_exception_filter): word_mode, not Pmode.
4382 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
4384 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
4385 common to other movsf patterns. Move up so that in future
4386 people who change the other patterns will change it too.
4387 (movsf_lo_sum): Allow even for soft-float; add appropriate
4389 (movsf_high): Likewise.
4390 (movsf_high+1): Allow even for soft-float.
4392 * function.c (expand_function_end): Always clobber the
4393 return registers, even if there is no return label.
4395 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
4397 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
4399 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
4401 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
4402 (pushqi2_rex64, pushhi2_rex64): Add.
4404 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
4406 * except.c (expand_eh_region_end_cleanup): Force pending stack
4407 adjust before emitting label that branches around cleanup code.
4409 2001-04-26 H.J. Lu (hjl@gnu.org)
4411 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
4413 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
4415 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
4416 (ASM_OUTPUT_SECTION_NAME): Likewise.
4417 (ASM_WEAKEN_LABEL): Likewise.
4418 (UNIQUE_SECTION): Likewise.
4419 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
4420 (ASM_OUTPUT_DESTRUCTOR): Likewise.
4421 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
4422 (ASM_OUTPUT_SECTION_NAME): Likewise.
4423 (ASM_WEAKEN_LABEL): Likewise.
4424 (UNIQUE_SECTION): Likewise.
4425 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
4426 (ASM_OUTPUT_DESTRUCTOR): Likewise.
4427 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
4428 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
4429 (ASM_FILE_START): Likewise.
4430 (ASM_OUTPUT_SOURCE_LINE): Likewise.
4431 (ASM_DECLARE_OBJECT_NAME): Likewise.
4432 (ASM_FILE_END): Likewise.
4433 (ASM_DECLARE_FUNCTION_NAME): Likewise.
4434 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
4435 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
4436 (ASM_OUTPUT_CASE_LABEL): Likewise.
4437 (ASM_OUTPUT_SKIP): Likewise.
4438 (ASM_OUTPUT_ASCII): Likewise.
4439 (ASM_OUTPUT_IDENT): Likewise.
4440 (READONLY_DATA_SECTION): Likewise.
4441 (EXTRA_SECTIONS): Likewise.
4442 (EXTRA_SECTION_FUNCTIONS): Likewise.
4443 (SELECT_RTX_SECTION): Likewise.
4444 (SELECT_SECTION): Likewise.
4446 * config/mips/linux.h (INVOKE__main): Undefine.
4447 (CTOR_LIST_BEGIN): Likewise.
4448 (CTOR_LIST_END): Likewise.
4449 (DTOR_LIST_BEGIN): Likewise.
4450 (DTOR_LIST_END): Likewise.
4451 (SET_ASM_OP): Defined it to ".dummy".
4452 (ASM_OUTPUT_DEF): Defined.
4453 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
4455 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
4457 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
4458 assembler supports .p2align.
4460 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
4462 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
4464 2001-04-26 Jakub Jelinek <jakub@redhat.com>
4466 * integrate.c (expand_inline_function): Check for error_mark_node
4469 2001-04-26 Jakub Jelinek <jakub@redhat.com>
4471 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
4474 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
4476 * configure.in (configargs.h): Define thread_model.
4477 * configure: Rebuilt.
4478 * gcc.c (main): Print it with -v.
4480 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
4482 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
4483 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
4484 * gcc.1: Regenerate.
4486 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
4488 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
4489 is_redundant_typedef): Use static inline instead of inline static.
4491 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
4493 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
4494 this directory is always searched.
4496 2001-04-25 Richard Henderson <rth@redhat.com>
4498 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
4499 of registers to restore along non eh_return path.
4501 2001-04-25 Jakub Jelinek <jakub@redhat.com>
4503 * c-format.c (check_format_info_recurse): Handle
4504 PLUS_EXPR for format string.
4506 2001-04-25 Jakub Jelinek <jakub@redhat.com>
4508 * config/ia64/ia64.h (CC1_SPEC): Define.
4509 * config/ia64/linux.h (CC1_SPEC): Define.
4511 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
4513 * emit-rtl.c (constant_subword): Also do sign extension in
4514 BITS_PER_WORD == 16 case.
4516 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
4518 * loop.c (try_swap_copy_prop): Go back to checking insn.
4520 2001-04-25 Jakub Jelinek <jakub@redhat.com>
4522 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
4523 if check_mode is non-zero.
4525 2001-04-25 Jakub Jelinek <jakub@redhat.com>
4527 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
4528 out and comparison sequence has been detected, put result into
4529 proper temporary pseudo.
4531 2001-04-24 Zack Weinberg <zackw@stanford.edu>
4533 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
4534 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
4535 * libgcc2.c: Remove __dummy and __builtin_saveregs.
4536 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
4537 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
4538 for future reference.
4540 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
4542 * except.c (reachable_handlers): Step out one level from a RESX.
4544 * except.c (struct eh_region): Rename 'last' to 'resume'.
4545 (mark_eh_region, duplicate_eh_region_1): Adjust.
4546 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
4547 (build_post_landing_pads): Likewise.
4548 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
4549 (expand_eh_region_end_must_not_throw): Likewise.
4550 (connect_post_landing_pads): Thread (only) regions with non-deleted
4553 * except.c (expand_eh_region_end_cleanup): Save the EH return data
4554 registers around the cleanup.
4555 (get_exception_filter): New fn.
4556 (finish_eh_generation): Use it.
4558 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
4560 * c-semantics.c (add_scope_stmt): Don't call
4561 current_scope_stmt_stack multiple times.
4563 2001-04-24 Zack Weinberg <zackw@stanford.edu>
4564 Nathan Sidwell <nathan@codesourcery.com>
4566 Lazy __FUNCTION__ generation.
4567 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
4568 RID_C99_FUNCTION_NAME): New _RIDs.
4569 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
4570 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
4571 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
4573 (function_id_node, pretty_function_id_node, func_id_node): Remove.
4574 (c99_function_name_decl_node, function_name_decl_node,
4575 pretty_function_name_decl_node, saved_function_name_decls):
4577 (struct language_function): Remove x_function_name_declared_p.
4578 (make_fname_decl): Remove a parameter.
4579 (declare_function_names): Remove prototype.
4580 (start_fname_decls, finish_fname_decls): Prototype.
4581 (fname_as_string): Likewise.
4582 (fname_string, fname_decl): Likewise.
4583 * c-common.c (make_fname_decl): Adjust.
4584 (struct fname_var_t): New struct.
4585 (fname_vars): New static array.
4586 (declare_function_name): Remove.
4587 (start_fname_decls, finish_fname_decls): New functions.
4588 (fname_as_string): New function from remnants of
4589 declare_function_name.
4590 (fname_string, fname_decl): New functions.
4592 * c-decl.c (c_function_name_declared_p): Remove.
4593 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
4594 don't call declare_function_name. Call start_fname_decls.
4595 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
4596 clobber the line number. Call finish_decl.
4597 (start_function): Call start_fname_decls.
4598 (finish_function): Call finish_fname_decls.
4599 Remove c_function_name_declared_p.
4600 (push_c_function_context): Don't push c_function_name_declared_p.
4601 (pop_c_function_context): Don't pop c_function_name_declared_p.
4602 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
4603 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
4604 (program): Call finish_fname_decls for C.
4605 (primary): Add VAR_FUNC_NAME.
4606 (reswords): Add slots for __FUNCTION__ et al.
4607 (rid_to_yy): Add mappings for __FUNCTION__ et al.
4608 (yylexname): If it's a STRING_FUNC_NAME generate the function name
4609 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
4610 * c-semantics.c (prune_unused_decls): Remove.
4611 (finish_stmt_tree): Don't call prune_unused_decls.
4612 (genrtl_decl_stmt): Don't prune unused decls here.
4614 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
4616 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
4617 constant pool, use the pool's SYMBOL_REF instead.
4619 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
4622 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
4624 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
4625 passing nested NOP_EXPRs to fold.
4627 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
4629 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
4631 2001-04-22 Mark Mitchell <mark@codesourcery.com>
4633 * loop.c (loop_delete_insns): Add prototype.
4635 2001-04-23 Phil Edwards <pme@sources.redhat.com>
4637 * configure.in: Remove ENABLE_STD_NAMESPACE.
4638 * config.in: Regenerated.
4639 * configure: Regenerated.
4641 2001-04-22 Stan Shebs <shebs@apple.com>
4643 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
4645 * config/rs6000/xm-darwin.h: Remove file.
4647 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4649 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
4650 (write_c_file_stat): Likewise.
4652 * dbxout.c (dbxout_init): Likewise.
4654 * profile.c (output_func_start_profiler): Likewise.
4656 2001-04-22 Philipp Thomas <pthomas@suse.de>
4658 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
4659 require it instead of the CVS version.
4660 * cpperror.c (v_message): Put a blank before the macro
4661 body to not confuse exgettext.
4663 2001-04-21 Mark Mitchell <mark@codesourcery.com>
4665 * flow.c (proagate_one_insn): Remove useless assignment.
4666 * jump.c (delete_insn): Tidy.
4667 * loop.c (try_copy_prop): When deleting an instruction with a
4668 REG_RETVAL note, delete the entire libcall sequence.
4669 (loop_delete_insns): New function.
4670 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
4671 we're not substituting into them yet.
4673 2001-04-21 Kazu Hirata <kazu@hxi.com>
4675 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
4677 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
4679 * config/i960/i960.c (signed_arith_operand): Likewise.
4681 * calls.c (expand_call): Fix a comment typo.
4683 2001-04-20 Zack Weinberg <zackw@stanford.edu>
4685 * configure.in: Probe for times, clock, struct tms, and clock_t.
4686 * configure, config.in: Regenerate.
4687 * timevar.c: Replace ifdef forest in get_time with (relatively)
4688 straightforward series of checks based on autoconf's probes.
4690 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
4692 * config/pa/som.h (NM_FLAGS): Define.
4694 2001-04-20 Bernd Schmidt <bernds@redhat.com>
4696 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
4698 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
4699 * ia64.c (nop_cycles_until): New function.
4700 (prev_cycle, prev_first, last_issued): New static variables.
4701 (ia64_sched_reorder): Additional arg for clock.
4702 On final scheduling pass, emit extra NOPs as needed.
4703 Set prev_first and prev_cycle.
4704 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
4705 (ia64_variable_issue): Set last_issued.
4707 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
4709 * config/i386/i386.c (ix86_expand_int_movcc,
4710 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
4712 2001-04-20 Geoff Keating <geoffk@redhat.com>
4714 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
4715 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
4716 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
4717 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
4718 ctrdi_internal6): In the short-branch case, this insn is only 4
4719 bytes long. Reported by Reza Yazdani <reza@apple.com>.
4721 2001-04-20 Jakub Jelinek <jakub@redhat.com>
4723 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
4724 "=u" is used together with "st" resp. "st(1)" clobber.
4726 2001-04-20 Jakub Jelinek <jakub@redhat.com>
4728 * gcse.c (gcse_main): Fix comment typo.
4729 (delete_null_pointer_check): Likewise.
4730 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
4731 * cse.c (cse_insn): Likewise.
4732 * function.c (fixup_var_refs_insns_with_hash): The sequence is
4735 2001-04-19 Zack Weinberg <zackw@stanford.edu>
4737 * toplev.c: Excise all code for the undocumented -dm option.
4738 (float_signal): Call signal just once, unconditionally.
4740 2001-04-19 Geoff Keating <geoffk@redhat.com>
4742 * fold-const.c (fold): Use first_rtl_op rather than
4743 TREE_CODE_LENGTH when looping over parameters of a tree.
4744 Correct strange grouping in test for evaluated SAVE_EXPR.
4746 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
4748 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
4749 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
4751 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
4752 name at 32 total characters.
4753 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
4754 functions in named sections -- data items can still go into unique
4755 sections, but they have normal names (ie $LIT$ and $DATA$).
4757 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
4760 2001-04-19 DJ Delorie <dj@redhat.com>
4762 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
4763 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
4764 * config/i386/cygwin.h: Likewise.
4765 * config/i386/mingw32.h: Likewise.
4766 * config/vax/vms.h: Likewise.
4767 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
4769 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
4770 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
4771 * config/i386/xm-cygwin.h: Likewise.
4772 * config/i386/xm-djgpp.h: Likewise.
4773 * config/i386/xm-mingw32.h: Likewise.
4774 * config/vax/xm-vms.h: Likewise.
4776 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
4777 instead of OBJECT_SUFFIX.
4778 * collect2.c (find_a_file): Look for files matching the extension
4779 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
4780 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
4781 TARGET_EXECUTABLE_SUFFIX.
4782 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
4783 (make_relative_prefix): Likewise.
4784 (convert_filename): Use TARGET_ suffixes throughout. Remove
4786 (process_command): Likewise.
4787 (do_spec_1): Likewise.
4788 * java/lang.c (init_parse): Likewise.
4790 * gcc.texi : Document four new options matching the pattern
4791 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
4792 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
4793 documentation for NO_AUTO_EXE_SUFFIX.
4795 2001-04-19 Mark Mitchell <mark@codesourcery.com>
4797 * toplev.h (struct lang_hooks): Allow decode_option to indicate
4798 that language-independent processing should not be done.
4799 * toplev.c (main): Adjust accordingly.
4801 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
4802 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
4804 * mips.md (reload_outputdi): Require that operand0 be a
4807 2001-04-19 Jakub Jelinek <jakub@redhat.com>
4809 * invoke.texi (-Wshadow): Clarify.
4811 2001-04-18 Mark Mitchell <mark@codesourcery.com>
4813 * loop.c (load_mems): Examine all the instructions in the loop
4814 before concluding that all jumps branch to the first instruction
4817 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
4819 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
4821 2001-04-18 Jakub Jelinek <jakub@redhat.com>
4823 * cpp.texi (-Wwhite-space): Remove.
4824 (-Wall): -Wall does not imply -Wwhite-space.
4826 2001-04-17 Zack Weinberg <zackw@stanford.edu>
4828 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
4829 use it instead of blindly generating a .stabs.
4830 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
4832 * xcoffout.c: Don't bother defining default for N_CATCH.
4833 (UNKNOWN_STAB): Use internal_error.
4834 (stab_to_sclass): Remove now-unnecessary aborts.
4835 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
4837 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
4839 * jump.c (mark_all_labels): Canonicalize the tail recursion
4840 label attached to CALL_PLACEHOLDER insns.
4842 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4844 * output.h (dump_flow_info, free_basic_block_vars,
4845 which_alternative): Delete redundant prototypes.
4847 * rtl.h (bss_section): Likewise.
4849 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
4851 * dbxout.c (N_OPT): Define if not available from <stab.h>
4853 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
4855 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
4856 libraries and native K&R compilers.
4858 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4860 * c-typeck.c (convert_arguments): Don't check for width changes
4863 * invoke.texi (-Wtraditional): Update documentation.
4865 2001-04-16 Zack Weinberg <zackw@stanford.edu>
4867 * toplev.c (output_lang_identify): Delete.
4868 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
4869 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
4870 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
4871 after calling ASM_FILE_END.
4873 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
4874 Instead, unconditionally emit an N_OPT stab with string equal
4875 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
4877 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
4879 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
4880 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
4881 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
4882 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
4883 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
4884 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
4885 config/i370/i370.h, config/i386/beos-elf.h,
4886 config/i386/osf1elf.h, config/i386/osfrose.h,
4887 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
4888 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
4889 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
4890 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
4891 config/mips/iris6.h, config/mips/osfrose.h,
4892 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
4893 config/sparc/sp64-elf.h:
4894 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
4895 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
4897 * config/elfos.h, config/freebsd.h, config/linux.h,
4898 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
4899 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
4900 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
4901 of ASM_FILE_START which merely emit a .version directive. Delete
4902 definitions of ASM_FILE_END which merely emit an .ident directive.
4904 * config/avr/avr.h, config/vax/vax.h: Delete definition of
4905 ASM_IDENTIFY_GCC and move part of its logic into
4908 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
4909 config/sparc/linux-aout.h: Don't emit .version directive in
4912 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
4913 (output_file_start): Correct comment.
4915 * config/i386/osfrose.h: Don't emit trailing .ident directive.
4916 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
4918 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
4919 * config/rs6000/aix.h: Correct comment.
4921 * config/i386/i386afe.h: Delete.
4922 * config.gcc: Remove references to i386afe.h.
4924 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
4925 other macros deleted by this patch were undocumented.
4927 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
4929 * pa.md (reload_outdi): Operand 0 must be a non hard register.
4931 * pa.c (secondary_reload_class): SAR<->FP copies require a
4934 * install.texi (mips-mips-bsd): Update list of functions
4935 required to include memmove.
4936 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
4937 used functions to include memmove.
4939 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
4941 * i386.md (sqrtdf2): SFmode should be DFmode.
4943 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
4945 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
4946 (find_moveable_store): Likewise.
4948 2001-04-15 Jim Wilson <wilson@redhat.com>
4950 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
4952 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
4954 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
4955 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
4957 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
4959 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
4962 2001-04-14 Alan Modra <amodra@one.net.au>
4964 * pa.c (force_mode): New function.
4965 (emit_move_sequence): Use it instead of generating new rtx_REGs.
4967 2001-04-13 Jim Wilson <wilson@redhat.com>
4969 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
4970 (first_instruction): New static variable.
4971 (rtx_needs_barrier): Return 1 for alloc.
4972 (init_insn_group_barriers): Set first_instruction.
4973 (rws_sum): Delete duplicate definition.
4974 (group_barrier_needed_p): Return 0 when first_instruction true.
4975 (safe_group_barrier_needed_p): Save and restore first_instruction
4976 around group_barrier_needed_p call.
4978 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
4980 * expr.h (enum libfunc_index): Add LTI_memmove.
4981 (memmove_libfunc): Define macro.
4982 * optabs.c (init_optabs): Initialize memmove_libfunc.
4983 * expr.c (expand_assignment): Use memmove_libfunc instead of
4986 2001-04-13 Alan Modra <alan@linuxcare.com.au>
4988 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
4991 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4993 * Makefile.in (reg-stack.o): Depend on reload.h.
4994 (insn-attrtab.o): Depend on flags.h.
4996 * genattrtab (main): Include flags.h in insn-attrtab.c.
4998 * reg-stack.c: Include reload.h.
5000 * sparc.h (flag_pic): Delete redundant declaration.
5002 * output.h (flag_pic): Likewise.
5004 * tree.h (pedantic): Likewise.
5006 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5008 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
5010 * jump.c, regmove.c, toplev.c: Include reload.h.
5012 * reload.h (reload_cse_regs): Declare.
5014 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
5015 reload_cse_regs, init_reload, mark_home_live, reload,
5016 init_caller_save): Delete redundant prototypes.
5018 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5020 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
5022 * regclass.c, ssa.c: Include expr.h.
5024 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
5025 gen_move_insn): Delete redundant declarations.
5027 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5029 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
5030 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
5031 MAKEINFO and MAKEINFOFLAGS too.
5032 (stage4_build): Correctly order -B flags.
5034 2001-04-13 Alan Modra <amodra@one.net.au>
5036 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
5037 PIC_OFFSET_TABLE_SAVE_RTX.
5038 (zdepi_cint_p): Describe zdepi insn.
5039 Formatting and white space fixes throughout file.
5041 * pa.c (uint32_operand): Don't use long constant >= 2^32.
5042 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
5043 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
5044 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
5045 (output_64bit_and): Use plain `int's for shift counts.
5046 (output_64bit_ior): Likewise.
5047 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
5048 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
5051 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
5052 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
5053 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
5054 NEW_HP_ASSEMBLER into one. Kill warnings.
5056 * pa-gas.h: Delete file.
5057 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
5058 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
5059 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
5060 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
5062 * config/pa/mill32.S: New file.
5063 * config/pa/mill64.S: New file.
5064 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
5065 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
5066 * config/pa/t-linux64: New file.
5067 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
5068 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
5069 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
5071 * elfos.h (SELECT_SECTION): Undef before defining.
5072 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
5073 (LIB_SPEC): Remove -lmilli.
5074 (DBX_REGISTER_NUMBER): Remove.
5075 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
5076 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
5077 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
5078 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
5079 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
5080 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
5081 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
5082 TARGET_GAS): Define.
5083 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
5084 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
5085 regs if we don't have a prototype.
5086 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
5087 * pa.h (TARGET_ELF32): Default to 0 if undefined.
5088 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
5089 EH_RETURN_HANDLER_RTX): Define.
5090 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
5091 (DWARF_FRAME_REGNUM): Define.
5092 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
5093 * pa32-linux.h: New file.
5094 * pa64-linux.h: New file.
5096 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
5097 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
5098 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
5099 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
5100 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
5101 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
5102 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
5103 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
5104 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
5105 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
5106 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
5107 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
5108 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
5109 * pa64-hpux.h: New file.
5110 (ASM_FILE_START): Correct typo.
5111 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
5112 * config.gcc: Modify for above.
5114 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
5116 * jump.c (jump_optimize_1): Don't delete dead stores here.
5117 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
5118 prior to running jump optimize before cse2.
5120 2001-04-12 Richard Henderson <rth@redhat.com>
5122 * Makefile.in (regmove.o): Depend on except.h.
5123 * regmove.c: Include it.
5125 2001-04-12 Stan Shebs <shebs@apple.com>
5127 * objc/objc-act.c: Remove all code ifdefed with the never-used
5128 macro OBJC_INT_SELECTORS.
5129 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
5130 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
5132 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
5134 * config/pa/quadlib.c: Add prototypes.
5136 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5138 * bitmap.h (debug_bitmap): Delete redundant prototype.
5140 * rtl.h (get_frame_size): Likewise.
5142 2001-04-12 Jim Wilson <wilson@redhat.com>
5144 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
5145 to just emit an fnorm.
5147 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5149 * c-common.h (truthvalue_conversion, type_for_mode,
5150 type_for_size): Delete redundant declarations.
5152 * c-lex.h (is_class_name): Likewise.
5154 * c-tree.h (pedantic, convert, getdecls, gettags,
5155 global_bindings_p, init_decl_processing, insert_block,
5156 maybe_build_cleanup, poplevel, print_lang_decl,
5157 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
5158 set_block, incomplete_type_error, build_function_call,
5159 lvalue_or_else, mark_addressable): Likewise.
5161 * expr.h (expand_tree_builtin): Likewise.
5163 2001-04-12 Mark Mitchell <mark@codesourcery.com>
5165 * invoke.texi: Document --param max-gcse-memory.
5167 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5169 * configure.in (errno): Check for declaration.
5170 * configure, config.in: Regenerated.
5172 * system.h (errno): Only declare if not already done.
5174 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
5176 * recog.c (general_operand, immediate_operand,
5177 nonmemory_operand): Require CONST_INTs to be sign-extended
5178 values for their modes.
5180 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
5182 * expmed.c (store_bit_field): Truncate CONST_INTs.
5183 (expand_mult_highpart, expand_divmod): Likewise.
5184 * expr.c (convert_modes, store_field): Likewise.
5185 * integrate.c (expand_inline_function): Use promote_mode() to
5186 determine whether to convert_modes() an argument as signed
5188 * optabs.c (expand_binop): Get CONST_INT operands
5189 sign-extended for their appropriate modes.
5190 * stmt.c (emit_case_nodes): Convert node values to the
5192 (expand_end_case): Convert minval and range to the appropriate
5194 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
5195 the iteration variable.
5196 * varasm.c (immed_double_const): Don't require words to be
5197 narrower than host wide ints to properly sign-extend
5200 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
5202 * sh.md (builtin_setjmp_receiver): New expander.
5204 2001-04-12 David Edelsohn <dje@watson.ibm.com>
5206 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
5207 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
5208 for generating CONST_INT and CONST_DOUBLE.
5210 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
5212 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
5213 already sign-extended.
5214 (rs6000_emit_prologue): Make register iterator signed.
5215 (rs6000_emit_epilogue): Likewise.
5216 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
5218 (movsf split, movdf split): Sign-extend CONST_INTs.
5219 (movdi splits): Likewise.
5221 2001-04-12 Kelley Cook <kelley.cook@home.com>
5223 * config-lang.in (lang_dirs): Add in zlib.
5225 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
5227 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
5228 operands that make it to RTL.
5230 2001-04-11 Stan Shebs <shebs@apple.com>
5232 Add Darwin (Mac OS X kernel) native support.
5233 * config.gcc (powerpc-*-darwin*): Add native bits.
5234 * config/darwin.c: New file, generic Darwin support functions.
5235 * config/darwin.h: New file, generic Darwin definitions.
5236 * config/darwin-protos.h: New file, generic Darwin prototypes.
5237 * rs6000/darwin.h: New file, Darwin for PowerPC.
5238 * rs6000/t-darwin: New file, Darwin makefile fragment.
5239 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
5240 (TARGET_MACHO): Ditto.
5241 (rs6000_abi): Add ABI_DARWIN.
5242 (RS6000_REG_SAVE): Add ABI_DARWIN case.
5243 (RS6000_SAVE_AREA): Ditto.
5244 (FP_ARG_MAX_REG): Ditto.
5245 (RETURN_ADDRESS_OFFSET): Ditto.
5246 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
5248 (rs6000_emit_move): Add ABI_DARWIN cases.
5249 (print_operand): Ditto.
5250 (first_reg_to_save): Ditto.
5251 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
5252 (debug_stack_info): Ditto.
5253 (rs6000_emit_prologue): Ditto.
5254 (rs6000_emit_epilogue): Ditto.
5255 (output_profiler_hook): Ditto.
5256 (output_function_profiler): Ditto.
5257 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
5258 (output_mi_thunk): Add TARGET_MACHO case.
5259 (add_compiler_stub): Ditto.
5260 (output_compiler_stub): Ditto.
5261 (no_previous_def): Ditto.
5262 (output_call): Ditto.
5263 (machopic_output_stub): Ditto.
5264 (rs6000_machopic_legitimize_pic_address): Ditto.
5265 (toc_section): Ditto.
5266 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
5267 (macho_high): Ditto.
5270 (load_macho_picbase): Ditto.
5271 (call): Add TARGET_MACHO case to modify function.
5272 (call_value): Ditto.
5273 (call_nonlocal_sysv): Add ABI_DARWIN case.
5274 (call_value_nonlocal_sysv): Ditto.
5275 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
5277 (machopic_output_stub): Ditto.
5278 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
5280 2001-04-11 Mark Mitchell <mark@codesourcery.com>
5282 * dwarf2out.c (modified_type_die): Don't create new types here.
5283 * tree.h (get_qualified_type): New function.
5284 (build_qualified_type): Adjust comment.
5285 * tree.c (get_qualified_type): New function.
5286 (build_qualified_type): Use it.
5288 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5290 * cpp.texi (-Wtraditional): Update description.
5292 * invoke.texi (-Wtraditional): Likewise.
5294 2001-04-11 Jim Wilson <wilson@redhat.com>
5296 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
5297 requires more than 64 bits of alignment.
5299 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
5301 * cpplib.c (do_line): Sanity check iff enable checking.
5303 2001-04-11 Richard Henderson <rth@redhat.com>
5305 * Makefile.in (insn-recog.o): Depend on toplev.h.
5306 (insn-emit.o, doloop.o): Likewise.
5307 * genrecog.c, genemit.c: Include toplev.h in generated file.
5308 * doloop.c: Include toplev.h.
5310 2001-04-11 Mark Mitchell <mark@codesourcery.com>
5312 * Makefile.in (gcse.o): Depend on params.h.
5313 * gcse.c: Include params.h.
5314 (gcse_main): Don't do GCSE if doing so will take inordinate
5316 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
5317 * params.h (MAX_GCSE_MEMORY): New macro.
5319 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5321 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
5323 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
5325 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5327 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
5329 * real.h (ereal_atof, real_value_truncate, target_isnan,
5330 target_isinf, target_negative, assemble_real, debug_real): Delete
5331 redundant prototypes.
5333 * Makefile.in (ifcvt.o): Depend on toplev.h.
5335 * c-semantics.c: Include expr.h.
5337 * ifcvt.c: Include toplev.h.
5339 * expr.h (rtx_equal_p): Delete prototype.
5341 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
5342 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
5343 eliminate_constant_term, expand_complex_abs, find_single_use,
5344 make_tree, init_expr_once, init_optabs, supports_one_only):
5347 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
5348 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
5349 expand_assignment, store_expr, emit_line_note_after,
5350 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
5352 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
5354 * sparc-protos.h: Delete redundant prototypes.
5356 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
5358 * reload.c (push_reload): Add condition missed in SUBREG byte
5361 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5363 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
5365 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
5367 * i386.md (floatsisf_sse): Fix output template
5368 * i386.c (ix86_expand_fp_movcc)
5370 * reg-stack.c (emit_pop_insn): Handle complex modes.
5371 (move_for_stack_reg): Emit proper move mode.
5372 (subst_stack_regs_pat): Handle complex modes.
5374 2001-04-11 Jakub Jelinek <jakub@redhat.com>
5376 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
5378 2001-04-10 Richard Henderson <rth@redhat.com>
5380 * libgcc2.h (__terminate_func_ptr): Remove typedef.
5381 (__pure_virtual, __terminate, __terminate_set_func,
5382 __default_terminate, __throw_type_match, __empty,
5383 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
5384 __eh_rtime_match, __unwinding_cleanup, __rethrow,
5385 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
5386 Remove prototypes of deleted functions.
5388 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5390 * c-typeck.c (convert_arguments): -Wtraditional now activates
5391 -Wconversion warnings, except for changes in signed-ness.
5392 Detect complex<->int & int<->complex conversions as well.
5394 * invoke.texi (-Wtraditional): Document it.
5396 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5398 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
5399 * flow.c (set_block_for_new_insns): Remove needless cast and
5400 properly check for unset block number.
5402 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
5404 * function.c (purge_single_hard_subreg_set): Only check REGNO if
5405 the subreg was a hard register. Pseudos are left as subregs.
5407 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5409 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
5410 (LIB2ADD_ST): New macro, pass it to mklibgcc.
5411 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
5412 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
5413 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
5415 2001-04-09 Bo Thorsen <bo@suse.co.uk>
5417 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
5419 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
5421 * output.h (set_block_num): Missed it earlier, remove deprecated
5424 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
5426 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
5427 (load_killed_in_block_p): Change bb parameter from int to basic_block.
5428 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
5429 (handle_rd_kill_set): Change bb parameter from int to basic_block.
5430 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
5431 (expr_killed_p): Change bb parameter from int to basic_block, pass
5432 basic_blocks instead of ints as parameters.
5433 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
5434 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
5435 from int to basic_block, pass basic_blocks instead of ints as parms.
5436 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
5437 parameter from int to basic_block, pass basic_blocks instead of ints.
5438 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
5439 (insert_insn_end_bb): Change bb parameter from int to basic_block,
5440 pass basic_blocks instead of ints.
5441 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
5442 basic_blocks instead of ints as parameters.
5443 (pre_delete): Pass basic_blocks instead of ints as parameters.
5444 (hoist_expr_reaches_here_p): Change bb parameter from int to
5445 basic_block, pass basic_blocks instead of ints.
5446 (hoist_code): Pass basic_blocks instead of ints as parameters.
5447 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
5448 Change bb parameter from int to basic_block.
5449 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
5450 (insert_insn_start_bb): Change bb parameter from int to basic_block,
5451 pass basic_blocks instead of ints.
5452 (insert_store): Pass basic_blocks instead of ints as parameters.
5453 (replace_store_insn, delete_store): Change bb parameter from int to
5454 basic_block, pass basic_blocks instead of ints.
5455 (store_motion): Pass basic_blocks instead of ints as parameters.
5457 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
5459 * basic-block.h (set_new_block_for_insns): New Prototype.
5460 (set_block_num): Delete prototype.
5461 * flow.c (set_block_num): Remove obsolete function.
5462 (set_block_for_new_insns): Set BB for single or multiple insns.
5463 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
5464 (process_insn_end_bb): Use set_block_for_new_insns or
5465 set_block_for_insn instead of set_block_num.
5466 (pre_insert_copy_insn): Use set_block_for_new_insns.
5467 (update_ld_motion_stores): Use set_block_for_new_insns.
5468 (insert_insn_start_bb): Use set_block_for_new_insns.
5469 (replace_store_insn): Use set_block_for_new_insns.
5471 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
5472 Jeff Law <law@redhat.com>
5474 * alias.c (get_addr): Externalize.
5475 (canon_true_dependence): New function. Behaves like true_dependance
5476 except it already assumes a MEM has been canonicalized.
5477 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
5478 * gcse.c (struct ls_expr): Add load/store expressions structure.
5479 (modify_mem_list, canon_modify_mem_list): New variable.
5480 (gcse_main): Initialize & finalize alias analysis. Use enhanced
5481 load motion and store motion if requested.
5482 (alloc_gcse_mem): Allocate space for modify_mem_list array.
5483 (free_gcse_mem): Free the modify_mem_list array.
5484 (oprs_unchanged_p): Use load_killed_in_block_p.
5485 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
5486 (mems_conflict_for_gcse_p): New function. Don't kill loads
5487 with stores to themselves if its in the load/store expression list.
5488 (load_killed_in_block_p): New function.
5489 (canon_list_insert): New Function.
5490 (record_last_mem_set_info): Keep a list of all instructions which
5491 can modify memory for each basic block.
5492 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
5493 (oprs_not_set_p): Use load_killed_in_block_p.
5494 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
5495 (expr_killed_p): Use load_killed_in_block_p.
5496 (compute_transp): Do not pessimize memory references.
5497 (pre_edge_insert): Update stores for a load motion expression.
5498 (one_pre_gcse_pass): Check loads/stores for extra load motion.
5499 (ldst_entry): Find or create a ldst_expr structure.
5500 (free_ldst_entry): Free memory for an individual item.
5501 (free_ldst_mems): Free entire load/store expression list.
5502 (print_ldst_list): Print debug info.
5503 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
5504 (enumerate_ldsts): Assign integer values to each entry in list.
5505 (first_ls_expr): First expression in the list.
5506 (next_ls_expr): Next expression in the list.
5507 (simple_mem): Check if expression qualifies for ld/st expression list.
5508 (invalidate_any_buried_refs): Remove from expression list if its
5509 used in some other way we dont understand.
5510 (compute_ld_motion_mems): Find all potential enhanced load motion
5512 (trim_ld_motion_mems): Remove any expressions which are invalid.
5513 (update_ld_motion_stores): Copy store values to registers for loads
5514 which have been moved.
5515 (regvec, st_antloc, num_store): New global statics.
5516 (reg_set_info): Marks registers as set.
5517 (store_ops_ok): Verfies registers expressions are valid in a block.
5518 (find_moveable_store): Look for moveable stores in a pattern.
5519 (compute_store_table): Find stores in a function worth moving, maybe.
5520 (load_kills_store): Check dependance of a load and store.
5521 (find_loads): Find any loads in a pattern.
5522 (store_killed_in_insn): Check if a store is killed in an insn.
5523 (store_killed_after): Check is store killed after an insn in a block.
5524 (store_killed_before): Check is store killed before an insn in a block.
5525 (build_store_vectors): Generate the antic and avail vectors.
5526 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
5527 (insert_store): Add a store to an edge.
5528 (replace_store_insn): Replace a store with a SET insn.
5529 (delete_store): Delete a store insn.
5530 (free_store_memory): Free memory.
5531 (store_motion): Perform store motion.
5532 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
5533 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
5534 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
5535 (f_options): Add gcse-lm and gcse-sm.
5537 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
5539 * i386.c (expand_fp_movcc): Fix condition reversal code.
5541 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
5542 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
5543 (CLASS_MAX_NREGS): Use it.
5545 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
5546 handle properly complex values.
5547 (CLASS_MAX_NREGS): Likewise; update comment.
5549 2001-04-05 Bernd Schmidt <bernds@redhat.com>
5551 * ia64.c (ia64_flag_schedule_insns2): New variable.
5552 (ia64_override_options): Initialize it. Clear
5553 flag_schedule_insns_after_reload.
5554 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
5556 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
5558 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
5559 Do not require source to match destination anymore;
5560 Add abort to the nontrivial cases that should be handled by split.
5561 (fix_trunc?fdi): Add SSE case for x86_64.
5562 (floatdi?f): Likewise.
5563 (floatdi?f_sse): New.
5564 (fix_trunc?fdi_sse): New.
5566 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
5568 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
5569 (DEBUG_ARANGES_END_LABEL): Ditto.
5570 (dwarfout_init): Generate length and version fields at the start
5571 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
5572 after the length field.
5573 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
5574 the .debug_aranges info.
5576 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
5578 * i386.c (call, call_value): Make sure that resulting call_insn
5579 does have proper second operand.
5581 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
5583 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
5584 function. Remove include of sys/cygwin.h.
5586 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
5588 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
5589 (CPP_SPEC): Always search */include/w32api for header files.
5590 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
5591 (LINK_SPEC): Add "cyg" to the library search prefixes.
5593 2001-04-08 Philip Blundell <philb@gnu.org>
5595 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
5597 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
5599 * cpperror.c (print_location): Don't special case <stdin>.
5600 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
5601 WARNING, but we don't check if we're in system headers.
5602 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
5603 * cpplib.c (do_warning): Warn in system headers.
5605 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
5607 * mbchar.c: Include config.h first.
5609 2001-04-07 Zack Weinberg <zackw@stanford.edu>
5611 * config.gcc: Set default for xmake_file at top, not bottom.
5612 Change places that set xmake_file to "none" to set to the
5613 empty string instead, or remove them entirely if there is no
5614 default xmake_file for this cpu_type. Remove references to
5617 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
5618 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
5619 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
5620 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
5621 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
5622 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
5623 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
5624 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
5625 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
5626 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
5629 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
5630 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
5631 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
5632 config/mips/x-sysv, config/rs6000/x-aix31:
5633 Just set CLIB to -lld or -lmld, as appropriate.
5635 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
5636 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
5637 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
5638 config/mips/x-iris, config/pa/x-pa:
5639 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
5640 OTHER_FIXINCLUDES_DIRS.
5642 * config/i386/x-djgpp: Don't set LN or LN_S.
5643 * config/m88k/x-dolph: Don't define __m88k__.
5644 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
5645 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
5646 * config/i860/fx2800.h: No need to #undef SVR4.
5648 38 x-host fragments remain, 2 x-cpu.
5650 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5652 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
5654 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
5656 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
5658 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
5660 * configure.in: Add check for lstat.
5661 * configure, config.in: Regenerate.
5662 * cppinit.c (append_include_chain): Make empty path ".".
5663 * cpplib.c (do_line): Don't simplify #line paths.
5664 * cppfiles.c (remove_component_p): New function.
5665 (find_or_create_entry): Acknowledge stat () errors during
5666 path simplification.
5667 (handle_missing_header): Don't simplify paths.
5668 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
5669 the empty path untouched. Don't leave a trailing '/'.
5671 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
5673 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
5674 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
5676 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
5678 * cppfiles.c (open_file): Fail directories silently, but
5679 with an errno of NOENT set.
5680 (read_include_file): Move the common exit code to the sole
5681 caller. Return an int indicating success or failure. Let
5682 open_file handle directories.
5683 (stack_include_file): If read_include_file fails,
5684 push a "null" buffer.
5686 2001-04-05 DJ Delorie <dj@redhat.com>
5688 * function.h (virtuals_instantiated): Declare.
5689 * function.c: (virtuals_instantiated): Make global.
5690 * calls.c (emit_library_call_value_1): Use
5691 virtual_outgoing_args_rtx only if it hasn't been instantiated.
5692 Otherwise, use the stack pointer directly.
5694 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
5696 * i386.c (x86_initialize_trampoline): New global function.
5697 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
5698 (INITIALIZE_TRAMPOLINE): Move offline.
5699 * i386-protos.h (x86_initialize_trampoline): Declare.
5701 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
5703 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
5704 (lea_0): Rename to lea_1.
5705 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
5706 (lea_general_?): Allow SImodes on TARGET_64BIT
5707 (lea_general_?_zext): New patterns.
5708 (call_1, call_1_rex64): Fix.
5710 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
5712 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
5714 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
5716 * i386.c (function_arg): Return constm1_rtx for last argument.
5717 (ix86_expand_prologue): Update gen_call calls.
5718 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
5719 * i386.md (call_pop): Likewise.
5720 (call): Second operand is VOIDmode.
5721 (call_0): Likewise; Support 64bits.
5722 (call_exp): New expander.
5723 (call_1): Get to the sync.
5724 (call_1_exp): New pattern.
5725 (call_value): Support 64bit.
5726 (call_value_exp): New pattern.
5727 (untyped_call): Update gen_call call.
5728 (call_value_pop): Disable for 64bit.
5729 (call_value_0_rex64): New pattern.
5730 (call_value_1_rex64): Likewise.
5732 2001-04-05 Bo Thorsen <bo@suse.de>
5734 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
5736 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
5738 * i386.md (*andsi_1+3): If used after reload, make sure the operand
5739 satisfies ANY_QI_REG_P.
5741 2001-04-05 Bernd Schmidt <bernds@redhat.com>
5743 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
5746 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
5749 2001-04-04 Zack Weinberg <zackw@stanford.edu>
5751 * config.gcc: Remove default for xm_file. Clean up local
5752 machine type handling. Remove settings of xm_file to
5753 something that doesn't exist. In the big switch, set xm_file,
5754 don't append to it (the value before the big switch is always
5755 null). Don't force build_xm_file or host_xm_file to have a value.
5756 * configure.in: Remove default for xm_file. Do not special
5757 case $cpu/xm-$cpu.h not existing.
5758 * configure: Regenerate.
5760 2001-04-04 Diego Novillo <dnovillo@redhat.com>
5762 * simplify-rtx.c (simplify_binary_operation): Check for overflow
5763 when folding integer division and modulo operations.
5765 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
5767 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
5768 instead of DWARF2_ADDR_SIZE for EH addresses.
5769 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
5772 2001-04-04 Richard Henderson <rth@redhat.com>
5774 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
5775 * config/ia64/t-glibc (LIB2ADDEH): Disable.
5776 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
5778 2001-04-04 Richard Henderson <rth@redhat.com>
5780 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
5781 * configure: Rebuilt.
5783 2001-04-04 Jakub Jelinek <jakub@redhat.com>
5785 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
5786 push insns to delete to it instead of deleting them.
5787 (delete_null_pointer_checks): Delete insns from delete_list after
5788 all delete_null_pointer_checks_1 passes are done.
5790 2001-04-04 Richard Henderson <rth@redhat.com>
5792 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
5793 * configure: Rebuilt.
5795 2001-04-04 Zack Weinberg <zackw@stanford.edu>
5797 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
5798 * config/romp/xm-romp.h: Delete.
5800 2001-04-04 Bernd Schmidt <bernds@redhat.com>
5802 * sched-deps.c (sched_analyze_insn): Partially revert March 27
5805 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
5807 * emit-rtl.c (mark_label_nuses) Increment the label uses for
5808 all labels present in rtx.
5809 (try_split) Call new function for all split insns.
5811 2001-04-04 Jakub Jelinek <jakub@redhat.com>
5813 * recog.c (validate_replace_rtx_1): Instead of aborting just make
5814 sure the change won't be validated.
5816 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
5818 * rtl.h (set_noop_p): Declare.
5819 * flow.c (set_noop_p): Move from here ...
5820 * rtlanal.c (set_noop_p): ... to here and enhance.
5821 * cse.c (delete_trivially_dead_insns): Use it.
5822 * gcse.c (hash_scan_set): Likewise.
5823 * jump.c (delete_noop_moves): Likewise.
5824 * recog.c (split_all_insns): Likewise.
5826 2001-04-04 Alan Modra <alan@linuxcare.com.au>
5828 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
5829 stack pointer via a LO_SUM. Ditto for setting a temp register
5830 used to save to the stack. Set cfa_temp when setting fp, and
5831 allow matches to cfa_temp in addition to cfa_store when saving
5832 regs. Handle POST_INC and LO_SUM register stores. Document the
5833 changes and errors in rule 12 doco.
5835 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
5836 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
5837 (load_reg): Move closer to epilogue code.
5838 (DO_FRAME_NOTES): Define to control the following..
5839 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
5840 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
5842 (hppa_expand_epilogue): Likewise.
5844 2001-04-03 Richard Henderson <rth@redhat.com>
5846 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
5847 * configure: Rebuild.
5849 2001-04-03 Richard Henderson <rth@redhat.com>
5851 * rtl.h (LCT_THROW): New.
5852 * calls.c (emit_library_call_value_1): Handle it.
5853 * except.c (connect_post_landing_pads): Use it.
5855 2001-04-03 Zack Weinberg <zackw@stanford.edu>
5857 * gansidecl.h: Delete file.
5858 * configure.in: Change all refs to gansidecl.h to use
5859 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
5861 * configure: Regenerate.
5863 * Makefile.in (intl.o): Don't depend on gansidecl.h.
5864 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
5865 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
5866 Don't include gansidecl.h.
5867 * intl.c, main.c, version.c, fixinc/fixlib.h,
5868 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
5871 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
5873 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
5876 2001-04-03 Zack Weinberg <zackw@stanford.edu>
5878 * config/i386/xm-beos.h, config/i386/xm-isc.h,
5879 config/i386/xm-next.h, config/i386/xm-sco.h,
5880 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
5881 config/m88k/xm-m88k.h: Delete.
5883 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
5884 * config/romp/xm-romp.h: Don't define bcopy.
5885 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
5886 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
5888 * config.gcc: Remove references to deleted files.
5890 14 xm-host.h remain, 1 xm-cpu.h.
5892 2001-04-03 Jakub Jelinek <jakub@redhat.com>
5893 David S. Miller <davem@pierdol.cobaltmicro.com>
5894 Andrew MacLeod <amacleod@redhat.com>
5896 Use byte offsets in SUBREGs instead of words.
5898 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
5899 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
5900 to pass new argument.
5901 (add_stored_regs): Use subreg_regno_offset function.
5902 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
5904 (precompute_arguments): Use gen_lowpart_SUBREG.
5905 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
5906 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
5907 (simplify_set): Rework to use SUBREG_BYTE.
5908 (expand_field_assignment): Use SUBREG_BYTE.
5909 (make_extraction): Use SUBREG_BYTE.
5910 (if_then_else_cond): Use SUBREG_BYTE.
5911 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
5912 (gen_lowpart_for_combine): Compute full byte offset.
5913 * cse.c (mention_regs): Use SUBREG_BYTE.
5914 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
5915 (canon_hash): Use SUBREG_BYTE.
5916 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
5917 (gen_lowpart_if_possible): Formatting.
5918 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
5920 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
5921 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5922 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5923 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
5924 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5925 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
5926 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
5927 certain invariants about SUBREGs the compiler creates.
5928 (gen_lowpart_SUBREG): New function.
5929 (subreg_hard_regno): New function to get the final register number.
5930 (gen_lowpart_common): Use SUBREG_BYTE.
5931 (gen_imagpart): Spacing nits.
5932 (subreg_realpart_p): Use SUBREG_BYTE.
5933 (gen_highpart): Use SUBREG_BYTE.
5934 (subreg_lowpart_p): Always compute endian corrected goal offset,
5935 even at the byte level, then compare against that.
5936 (constant_subword): New function, pulled out all constant cases
5937 from operand_subword and changed second argument name to offset.
5938 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
5939 and call constant_subword to do the work. Return const0_rtx if
5940 looking for a word outside of OP.
5941 (operand_subword_force): Change second arg name to offset.
5942 * expmed.c (store_bit_field): Use SUBREG_BYTE.
5943 (store_split_bit_field): Use SUBREG_BYTE.
5944 (extract_bit_field): Use SUBREG_BYTE.
5945 (extract_split_bit_field): Use SUBREG_BYTE.
5946 (expand_shift): Use SUBREG_BYTE.
5947 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
5948 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
5949 * flow.c (set_noop_p): Use SUBREG_BYTE.
5950 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
5951 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
5952 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
5954 (optimize_bit_field): Use SUBREG_BYTE.
5955 (purge_addressof_1): Use SUBREG_BYTE.
5956 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
5957 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
5958 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
5959 * gengenrtl.c (special_rtx): Add SUBREG.
5960 * global.c (mark_reg_store): Use SUBREG_BYTE.
5961 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
5962 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
5963 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
5964 final byte offset is congruent to subreg's mode size.
5965 (subst_constants): Use SUBREG_BYTE.
5966 (mark_stores): Use subreg_regno_offset function.
5967 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
5968 function and SUBREG_BYTE.
5969 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
5970 (reg_is_born): Use subreg_hard_regno.
5971 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
5972 endian correction code. Don't combine subregs unless resulting
5973 offset aligns with type. Fix subreg constant extraction for DImode.
5974 Simplify SUBREG of VOIDmode CONST_DOUBLE.
5975 (general_operand): Remove dead mode_altering_drug code.
5976 (indirect_operand): Use SUBREG_BYTE.
5977 (constrain_operands): Use subreg_regno_offset function.
5978 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
5979 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
5980 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
5981 * regs.h (REG_SIZE): Allow target to override.
5982 (REGMODE_NATURAL_SIZE): New macro which target can override.
5983 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
5984 on the entire subreg rtx.
5985 (push_reload): Use SUBREG_BYTE in comments and code.
5986 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
5987 for hard registers inside subregs.
5988 (operands_match_p): Use subreg_regno_offset.
5989 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
5990 containing hard regs.
5991 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
5992 corrections when fixing up MEM subregs.
5993 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
5994 subreg_regno_offset where appropriate.
5995 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
5996 byte endian corrections when fixing up MEM subregs.
5997 (subst_reloads): When combining two subregs, make sure final
5998 offset is congruent to subreg's mode size.
5999 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
6000 (refers_to_regno_for_reload_p): Use subreg_regno.
6001 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
6002 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
6003 correction code for memory subreg fixups.
6004 (forget_old_reload_1): Use subreg_regno_offset.
6005 (choose_reload_regs): Use subreg_regno.
6006 (emit_input_reload_insns): Use SUBREG_BYTE.
6007 (reload_combine_note_store): Use subreg_regno_offset.
6008 (move2add_note_store): Use subreg_regno_offset.
6009 * resource.c (update_live_status, mark_referenced_resources): Use
6010 subreg_regno function.
6011 (mark_set_resources): Use subreg_regno function.
6012 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
6013 (subreg_regno_offset, subreg_regno): Define prototypes.
6014 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
6015 (gen_lowpart_SUBREG): Add prototype.
6016 * rtl.texi (subreg): Update to reflect new byte offset representation.
6017 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
6018 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
6019 (reg_overlap_mentioned_p): Use subreg_regno.
6020 (replace_regs); Make sure final offset of combined subreg is
6021 congruent to size of subreg's mode.
6022 (subreg_regno_offset): New function.
6023 (subreg_regno): New function.
6024 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
6025 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
6026 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
6027 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
6028 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
6029 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
6030 (a29k_get_reloaded_address): Use SUBREG_BYTE.
6031 (print_operand): Use SUBREG_BYTE.
6032 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
6033 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
6034 (arm_reload_out_hi): Use SUBREG_BYTE.
6035 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
6036 instead of SUBREG_WORD.
6037 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
6038 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
6039 SUBREG creation to use byte offset.
6040 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
6041 inverted load insns): Fix explicit rtl subregs to use byte
6043 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
6044 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
6045 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
6046 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
6047 to use byte offsets.
6048 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
6049 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
6050 offsets, also make sure it is congruent to SUBREG's mode size.
6051 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
6052 unnamed ldob insn): Generate SUBREGs with byte offset.
6053 (zero_extendqihi2): SUBREG's are byte offsets.
6054 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
6055 (m68hc11_gen_highpart): Use SUBREG_BYTE.
6056 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
6057 zero-extendqisi2): Generate SUBREGs with byte offset.
6058 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
6059 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
6060 subregs in rtl to use byte offsets.
6061 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
6062 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
6063 (mips_move_2words): Use subreg_regno_offset.
6064 (mips_secondary_reload_class): Use subreg_regno_offset.
6065 * config/mips/mips.md (DImode plus, minus, move, and logical op
6066 splits): Fixup explicit subregs in rtl to use byte offsets.
6067 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
6068 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
6069 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
6070 rtl to use byte offsets.
6071 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
6072 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
6073 subregs to use byte offsets.
6074 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
6075 Fixup explicit subregs in rtl to use byte offsets.
6076 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
6077 and remove byte endian correction code.
6078 * config/sh/sh.c (output_movedouble): Use subreg_regno.
6079 (gen_ashift_hi): Use SUBREG_BYTE.
6080 (regs_used): Use subreg_regno_offset.
6081 (machine_dependent_reorg): Use subreg_regno_offset.
6082 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
6083 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
6084 (movdf_i4): Subregs are byte offsets now.
6085 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
6086 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
6087 (REGMODE_NATURAL_SIZE): Override.
6088 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
6089 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
6091 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
6092 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
6093 extendqidi2): Generate SUBREGs with byte offsets, also make sure
6094 it is congruent to SUBREG's mode size.
6095 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
6097 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
6098 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
6099 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
6100 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
6101 * config/v850/v850.c (print_operand, output_move_double): Use
6102 subreg_regno function.
6104 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
6106 * configure.in (target_subdir): Use target_alias, not target.
6107 * configure: Rebuilt.
6109 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
6111 * config/sh/crti.asm: Fix typos in comments.
6113 2001-04-03 Alan Modra <alan@linuxcare.com.au>
6115 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
6116 TARGET_FAST_INDIRECT_CALLS.
6117 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
6119 (return_addr_rtx): Short circuit export stub matching when
6120 TARGET_NO_SPACE_REGS.
6121 (output_millicode_call): For out of range calls, make -fPIC
6122 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
6123 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
6124 * pa.md: Modify length attr calculation of all millicode insns to
6127 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
6129 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
6130 Require at least 2.11 in the version test. Specifically check
6131 for and reject GAS version 2.10.90.
6132 * configure: regenerate.
6134 2001-04-03 Alan Modra <alan@linuxcare.com.au>
6136 * pa.c (override_options): Remove PIC profiling warning.
6137 (hp_profile_labelno): Delete.
6138 (hp_profile_label_rtx): Delete.
6139 (hp_profile_label_name): Delete.
6140 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
6141 (output_function_prologue): Remove profiling code and all tests on
6142 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
6143 merge_sp_adjust_with_store can work for PIC and profiling.
6144 (hppa_expand_epilogue): Remove profile_flag test.
6145 (hppa_can_use_return_insn_p): Likewise.
6146 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
6147 cater for PROFILE_HOOK.
6148 (hppa_profile_hook): New function.
6149 * pa.h (FUNCTION_PROFILER): Now does nothing.
6150 (PROFILE_HOOK): Define.
6151 (hppa_profile_hook): Declare.
6152 (PROFILE_BEFORE_PROLOGUE): Delete.
6153 (ASM_OUTPUT_REG_PUSH): Delete.
6154 (ASM_OUTPUT_REG_POP): Delete.
6155 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
6156 r24. Accept function name operand, and use this and a locally
6157 generated label to calculate pc-rel offset to func start.
6159 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6161 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
6162 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
6165 2001-04-03 Alan Modra <alan@linuxcare.com.au>
6167 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
6168 LO_SUM cases to where they belong.
6170 2001-04-02 Richard Henderson <rth@redhat.com>
6172 * except.h (lang_eh_type_covers): Mark extern.
6173 (lang_eh_runtime_type): Likewise.
6175 2001-04-02 Zack Weinberg <zackw@stanford.edu>
6177 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
6178 gengenrtl.c: Wrap generated header in multiple-include guard.
6179 Improve error checking.
6181 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6183 * configure.in: Don't check for putenv.
6184 * configure: Regenerate.
6185 * gcc.c (putenv): Don't define.
6186 * vax/xm-vms.h: Handle putenv.
6188 2001-04-02 Jakub Jelinek <jakub@redhat.com>
6190 * ifcvt.c (noce_emit_move_insn): New.
6191 (noce_try_store_flag, noce_try_store_flag_constants,
6192 noce_try_store_flag_inc, noce_try_store_flag_mask,
6193 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
6194 noce_try_abs): Use it.
6195 (noce_process_if_block): Likewise.
6196 For STRICT_LOW_PART, take mode from its SUBREG.
6198 2001-04-02 Jakub Jelinek <jakub@redhat.com>
6200 * fold-const.c (fold): Before optimizing unsigned comparison with
6201 0x7fffffffU, make sure arg0 is integral type.
6203 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
6205 * c-tree.texi: Document representation of wide strings.
6207 2001-04-01 Richard Henderson <rth@redhat.com>
6209 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
6211 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
6213 * i386.md: remove obsoleted comments.
6214 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
6215 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
6216 fix output template.
6218 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
6220 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
6222 2001-03-30 Bernd Schmidt <bernds@redhat.com>
6224 * loop.c (load_mems): When generating a load from a pseudo, update
6227 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
6229 * i386.c (ix86_split_long_move): Use change address to compensate
6230 stack pointer change in push instruction.
6232 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
6234 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
6235 instead of rtx_equal_p; fix the output template.
6237 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
6239 * i386.c (ix86_expand_setcc): Support 64bit.
6240 (ix86_expand_int_movcc): Likewise.
6241 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
6244 * i386.md (allocate_stack_worker): Turn to expander.
6245 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
6247 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
6249 2001-03-29 Richard Henderson <rth@redhat.com>
6251 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
6253 2001-03-28 Matthew Hiller <hiller@redhat.com>
6255 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
6258 * MAINTAINERS: Added self.
6260 2001-03-28 Richard Henderson <rth@redhat.com>
6262 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
6263 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
6265 2001-03-28 Jim Wilson <wilson@redhat.com>
6267 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
6270 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6272 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
6274 * tradcif.y (yyerror): Likewise. Add format specifier in call to
6277 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
6279 2001-03-28 DJ Delorie <dj@redhat.com>
6281 * Makefile.in (stage1_build): Revert CFLAGS patch.
6283 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
6285 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
6286 when multiplier or multiplicand is zero.
6288 2001-03-28 Bernd Schmidt <bernds@redhat.com>
6290 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
6292 * config/ia64/ia64.c (update_set_flags): New function, broken out of
6294 (set_src_needs_barrier): Likewise.
6295 (rtx_needs_barrier): For SET case, use these two functions. Rework
6296 PARALLEL case to handle all inputs before all outputs.
6297 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
6298 saw a label and no stop bit since then.
6299 (maybe_rotate, process_epilogue): Add prototypes.
6301 2001-03-28 Richard Henderson <rth@redhat.com>
6303 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
6304 not TARGET_TOC for special toc restore handling.
6305 * config/rs6000/rs6000.md (eh_return): Likewise.
6307 2001-03-28 Richard Henderson <rth@redhat.com>
6309 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
6310 current_function_calls_eh_return.
6311 (output_function_epilogue): Handle eh_return.
6312 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
6313 (EH_RETURN_DATA_REGNO): New.
6314 (EH_RETURN_STACKADJ_RTX): New.
6315 (EH_RETURN_HANDLER_RTX): New.
6316 * config/sparc/sparc.md (call/short branch peepholes): Check
6317 can_throw_internal instead of in_same_eh_region.
6319 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
6320 for eh_return data registers.
6321 (rs6000_emit_prologue): Save eh_return data registers.
6322 (rs6000_emit_epilogue): Force inline restores if eh_return.
6323 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
6324 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
6325 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
6326 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
6327 the target uses one.
6328 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
6329 (return_eh_si, return_eh_di): Remove.
6330 (eh_return): New, from corpse of eh_epilogue.
6331 (eh_set_lr_si, eh_set_lr_di): New.
6333 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
6334 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
6335 True for pic register if current_function_calls_eh_return.
6336 (ix86_expand_epilogue): Change "emit_return" argument into "style".
6337 Handle eh_return requirements.
6338 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
6339 (EH_RETURN_STACKADJ_RTX): New.
6340 * config/i386/i386.md (exception_receiver): Remove.
6341 (eh_return, eh_return_1): New.
6342 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
6344 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
6345 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
6346 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
6347 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
6348 (EH_RETURN_DATA_REGNO): New.
6349 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
6350 * config/alpha/alpha.md (eh_epilogue): Remove.
6351 (exception_receiver): Use $26 for ldgp input.
6352 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
6354 2001-03-28 Richard Henderson <rth@redhat.com>
6356 * except.c: Rewrite entirely for IA-64 ABI exception handling.
6357 * except.h: Likewise.
6359 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
6360 (LIB2ADDEHDEP): New.
6361 (LIB2FUNCS_EH): Remove.
6362 (LIB2ADD): Remove LIB2ADDEH.
6363 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
6364 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
6365 (crt{begin,end}[S].o): Likewise.
6366 (except.o): Update includes.
6367 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
6368 (libgcc2_c_dep): Use LIB2ADDEHDEP.
6370 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
6371 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
6372 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
6373 * builtins.c (expand_builtin): Implement it.
6374 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
6375 * c-common.c (c_common_nodes_and_builtins): Declare it.
6376 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
6377 * calls.c (libfunc_nothrow): Remove.
6378 (emit_library_call_value_1): Don't call it.
6379 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
6380 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
6381 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
6382 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
6383 (current_funcdef_number): Globalize.
6384 (output_call_frame_info): Emit frame data if an lsda is needed.
6385 Generate augmentation for personality routine. Don't play with
6387 (dwarf2out_begin_prologue): Record funcdef_number.
6388 * dwarf2out.h (current_funcdef_number): Declare.
6389 * expr.c (expand_expr): Update for except.h name changes.
6390 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
6391 * expr.h (LTI_throw, LTI_rethrow): Remove.
6392 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
6393 (LTI_eh_rtime_match): Remove.
6394 (LTI_unwind_resume, LTI_eh_personality): Add.
6395 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
6396 * final.c (final): Don't call check_exception_handler_labels,
6397 init_insn_eh_region, or free_insn_eh_region.
6398 (final_scan_insn): Always emit debug labels for
6399 NOTE_INSN_EH_REGION notes.
6400 * flags.h (flag_new_exceptions): Remove.
6401 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
6402 (record_active_eh_regions): Remove.
6403 (count_basic_blocks): Check all instructions for REG_EH_REGION.
6404 Use can_throw_internal.
6405 (find_basic_blocks_1): Likewise.
6406 (move_stray_eh_region_notes): Remove.
6407 (find_label_refs): No eh_return_stub_label.
6408 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
6409 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
6411 (delete_unreachable_blocks): Don't track deleted handlers.
6412 (flow_delete_block): Use maybe_remove_eh_handler.
6413 (delete_eh_regions): Remove.
6414 (merge_blocks): Don't check for eh region match.
6415 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
6416 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
6417 (init_propagate_block_info): Disable dead frame store optimization
6418 when current_function_calls_eh_return.
6419 (dump_bb): Don't print eh_beg, eh_end.
6420 * function.c (fixup_var_refs): No catch_clauses.
6421 (expand_function_end): Likewise. Call expand_eh_return before
6422 the return register use. Call sjlj_emit_function_exit_after.
6423 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
6424 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
6425 * ifcvt.c (dead_or_predicable): Remove eh region check.
6426 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
6427 Don't check for EH vs parameters.
6428 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
6429 (expand_inline_function): Call duplicate_eh_regions.
6430 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
6431 (copy_insn_notes): Remap REG_EH_REGION notes.
6432 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
6433 * integrate.h (struct inline_remap): Add local_return_label.
6434 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
6435 check_exception_handler_labels, nor exception_optimize.
6436 (find_cross_jump): No EH region check.
6437 * optabs.c (init_optabs): Update for changed eh libfuncs.
6438 * rtl.def (RESX): New.
6439 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
6440 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
6441 checks. Update for except.h name changes.
6442 (expand_cleanups): Likewise.
6443 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
6444 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
6445 (compile_file): Call init_eh before init_optabs. Don't
6446 output_exception_table here.
6447 (rest_of_compilation): Call convert_from_eh_region_ranges,
6448 convert_to_eh_region_ranges, output_function_exception_table.
6449 Don't emit_eh_context.
6450 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
6451 (EXC_PTR_EXPR): New.
6453 * md.texi (eh_epilogue): Remove.
6454 (eh_return): Document.
6455 * tm.texi (EH_RETURN_DATA_REGNO): Document.
6456 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
6458 * eh-common.h: Remove file.
6459 * frame-dwarf2.c, frame.c, frame.h: Remove files.
6460 * libgcc2.c (L_eh): Remove.
6462 * unwind-dw2-fde.c: New file, largely copied from frame.c.
6463 * unwind-dw2-fde.h: New file.
6464 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
6465 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
6466 * libgcc-std.ver: Update for eh symbols.
6468 2001-03-27 Richard Henderson <rth@redhat.com>
6470 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
6471 reduce false positives.
6472 (regmove_optimize): Disable if flag_non_call_exceptions.
6474 * stmt.c (expand_return): Remove always true predicate.
6475 (expand_decl_cleanup_no_eh): Remove dead code.
6477 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
6478 barrier code. Add a scheduling barrier if a non-call insn
6479 can throw internally.
6481 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
6482 Auto-inc addresses trap only if their base register does.
6484 * except.c (can_throw_internal): Rename from can_throw.
6485 * except.h, resource.c: Update references.
6487 * integrate.c (copy_insn_list): Use returnjump_p.
6488 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
6490 * function.h (struct function): Move all boolean valued fields
6491 to single bit fields at the end of the struct.
6493 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
6495 Rename asynchronous_exceptions to flag_non_call_exceptions.
6497 * gthr-single.h (UNUSED): New. Distinguish between how C
6498 and C++ mark unused function arguments. Use throughout.
6500 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
6501 value to target configuration header.
6502 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
6503 * config.in, configure: Rebuild.
6504 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
6505 configuration and target defines.
6506 (exceptions_via_longjmp): Remove.
6507 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
6508 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
6510 * except.h (flag_non_call_exceptions): Move ...
6511 * flags.h: ... here.
6513 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
6514 exceptions, put the note on the trapping instruction.
6516 * flags.h (flag_new_exceptions): Remove.
6517 * toplev.c: Don't set it.
6518 * final.c: Don't check it.
6519 * except.c: Provide stub definition.
6521 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
6522 (calculate_global_regs_live): Kill call-clobbered registers
6523 across exception edges.
6524 * reg-stack.c (convert_regs_1): Kill the entire target stack
6525 across non-call exception edges.
6527 * flow.c (cleanup_cfg): Take no argument.
6528 * output.h, sibcall.c, toplev.c: Update all calls.
6530 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6532 * configure.in: Don't check for bcopy.
6533 * configure, config.in: Regenerate.
6535 * system.h: Don't define or prototype bcopy, instead poison it.
6537 2001-03-27 Richard Henderson <rth@redhat.com>
6539 * function.c (expand_function_start): Set DECL_REGISTER on
6540 a pseudo used for DECL_RESULT.
6542 * rtl.h (LCT_NORETURN): New.
6543 * calls.c (emit_library_call_value_1): Handle it.
6545 2001-03-27 Stan Shebs <shebs@apple.com>
6547 * objc/objc-act.c (objc_init): Use dump_base_name.
6548 (gen_declaration): Clear the buffer arg.
6549 (gen_declaration_1): New function, body of gen_declaration.
6550 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
6551 (gen_method_decl): Ditto, plus always clear buffer arg.
6552 (error_with_ivar): Simplify.
6553 (warn_with_method): Ditto.
6554 (build_message_expr): Don't clear buffers.
6555 (dump_interface): Ditto.
6556 (objc_debug): Ditto.
6557 (build_keyword_selector): Clear the buffer by only zeroing
6559 (objc_implementation_context): Declare.
6560 (start_class): Warn about missing @end.
6561 (finish_objc): Ditto.
6563 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
6565 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
6567 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6569 * Makefile.in (SYSTEM_H): Define.
6570 Depend on $(SYSTEM_H), not system.h.
6572 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
6574 2001-03-27 Jim Wilson <wilson@redhat.com>
6576 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
6578 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
6579 (process_epilogue): New static function.
6580 (process_set): Call process_epilogue instead of emitting .restore
6582 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
6584 * flow.c (struct reg_cond_life_info): New fields orig_condition
6586 (init_propagate_block_info): Set new fields.
6587 (mark_regno_cond_dead): Set and use new fields.
6588 (flush_reg_cond_reg_1): Likewise.
6589 (and_reg_cond, case AND): Check for redundant AND conditions.
6590 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
6593 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
6595 * cppmacro.c (stringify_arg): Null terminate strings.
6597 2001-03-27 Zack Weinberg <zackw@stanford.edu>
6599 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
6600 inclusion style. xm-m68hc11.h no longer exists.
6601 * config/m68hc11/xm-m68hc11.h: Delete file.
6602 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
6604 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
6605 Don't define GCC_VERSION, N_, or PARAMS; don't include
6606 gansidecl.h or stdio.h. Define inhibit_libc here.
6607 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
6608 Delete code conditioned on #if GCC_VERSION == 2095.
6610 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
6611 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
6612 Delete code conditioned on #if GCC_VERSION == 2095.
6614 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6616 * system.h: Include symcat.h.
6617 (STRINGIFY): Don't define.
6619 * configure.in: Adjust comment.
6621 * builtins.c: Use STRINGX, not STRINGIFY.
6622 * gencheck.c: Likewise.
6623 * gengenrtl.c: Likewise.
6624 * protoize.c: Likewise.
6626 * cpplex.c: Don't include symcat.h.
6627 * cpplib.c: Likewise.
6629 * gansidecl.h (HAVE_STRINGIZE): Don't define.
6631 2001-03-27 Alan Modra <alan@linuxcare.com.au>
6633 * c-typeck.c (digest_init): Fold init expression.
6635 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6637 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
6639 2001-03-27 Alan Modra <alan@linuxcare.com.au>
6641 * except.c (eh_regs): Save results of build_pointer_type to a temp
6642 as FUNCTION_VALUE macro may evaluate its args multiple times.
6644 2001-03-26 Mark Mitchell <mark@codesourcery.com>
6646 * c-common.h (DECL_NUM_STMTS): New macro.
6647 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
6649 (pushdecl): Likewise.
6650 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
6651 * integrate.c (expand_inline_function): Don't check
6653 * print-tree.c (print_node): Don't print it.
6654 * toplev.c (rest_of_compilation): Don't try to inline when
6655 flag_no_inline is on.
6656 * tree.h (DECL_FRAME_SIZE): Remove.
6657 (tree_decl): Adjust accordingly.
6659 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6661 * combine.c (try_combine): Use memcpy, not bcopy.
6663 * genattrtab.c (expand_units): Likewise.
6665 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
6667 * i386.md (push mem DI peep2): New.
6668 (mov 0, mov -1 peep2): Handle 64bit.
6669 (lea to arithmetics peep2): Handle 64bit leas.
6670 (rsp arithmetics to push/pop peep2s): New.
6672 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
6674 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
6676 * i386.c (struct machine_function): Add save_varrargs_registers.
6677 (ix86_save_varrargs_registers): New macro.
6678 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
6679 (ix86_expand_prologue): Likewise.
6680 (ix86_emit_epilogue_esp_adjustement): Likewise.
6681 (ix86_expand_epilogue): Likewise.
6682 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
6683 (pro_epilogue_adjust_stack_1): New insn.
6684 (pro_epilogue_adjust_stack_rex64): Likewise.
6685 * i386.h (MASK_NO_RED_ZONE): New constant.
6686 (TARGET_RED_ZONE): New macro.
6687 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
6688 (RED_ZONE_SIZE): New constant.
6689 (RED_ZONE_RESERVE): New constant.
6691 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6693 * toplev.c (set_float_handler): Use memcpy, not bcopy.
6695 2001-03-25 Kazu Hirata <kazu@hxi.com>
6697 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
6700 (umodhi3): Likewise.
6703 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6705 * mkconfig.sh (DEFINES): Handle entries with '='.
6707 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
6708 Set xm_defines to MACRO=value instead.
6710 * i370/xm-mvs.h: Delete.
6712 * ns32k/xm-pc532-min.h: Likewise.
6714 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
6716 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
6718 use ix86_expand_binary_operator
6719 (?sh??i_?): Disable for 64bit.
6720 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
6721 * i386.c (shiftdi_operand): New predicate.
6723 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
6724 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
6725 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
6726 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
6727 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
6728 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
6729 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
6730 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
6731 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
6732 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
6733 (rotldi3, rotrdi3): New expanders.
6735 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
6737 * i386.md (movstrsi): Move offline.
6739 (strmovdi_rex64): New.
6740 (strmov?i): Accept 64bit.
6741 (strmov?i_rex64): New.
6742 (strmov?i_rex_1): New.
6743 (strmov?i_1): Disable for 64bit.
6744 (rep_mov?i_rex64): New.
6745 (rep_mov?i): Disable for 64bit.
6746 (clrstrsi): Move offline.
6747 (strset?i_rex64): New.
6748 (strset?i: Accept 64bit.
6749 (rep_stos?i): Disable for 64bit.
6750 (rep_stos?i_rex64): New.
6751 (strset?i_rex_1): New.
6752 (strset?i_1): Disable for 64bit.
6753 (cmpstrsi): Accept 64bit.
6754 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
6755 (cmpstrqi_nz_rex_1): New.
6756 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
6757 (strlensi): Move offline.
6759 (strlenqi_1): Disable for 64bit; fix constraints.
6760 (strlenqi_rex_1): New.
6761 * i386.c (ix86_adjust_counter): New static function.
6762 (ix86_zero_extend_to_Pmode): Likewise.
6763 (ix86_expand_aligntest): Likweise.
6764 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
6765 (ix86_expand_movstr): New global function.
6766 (ix86_expand_clrstr): New global function.
6767 (ix86_expand_strlen): New global function.
6768 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
6769 ix86_expand_strlen): Declare.
6770 (ix86_expand_strlensi_unroll_1): Delete.
6772 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
6774 * i386.md (cmpdi): Fix operand predicates.
6775 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
6776 cmpdi_1_insn_rex64): New patterns.
6777 (adddi3): Turn to expander.
6778 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
6779 (addsi3_carry_zext): New pattern.
6780 (adddi_?_rex64): New patterns and splitters.
6781 (addsi_?_zext): New patterns.
6782 (subsi3_carry_zext): New pattern.
6783 (subdi_?_rex64): New patterns and splitters.
6784 (iorsi_?_zext): New patterns.
6785 (iordi_?_rex64): New patterns and splitters.
6786 (iorsi_?_zext): New patterns.
6787 (iorsi_?_zext_imm): New patterns.
6788 (xorsi_?_zext): New patterns.
6789 (xordi_?_rex64): New patterns and splitters.
6790 (xorsi_?_zext): New patterns.
6791 (negdi*): New patterns.
6792 (one_cmpldi*): Likewise.
6793 (one_cmplsi*_zext, negsi*_zext): Likewise.
6794 (testqi_ext_3_rex64): New pattern.
6796 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
6798 * i386-protos.h (ix86_split_long_move): Return void.
6799 * i386.c (ix86_split_to_parts): Handle 64bit target.
6800 (ix86_split_long_move): Likewise.
6801 * i386.md (all calls to ix86_split_long_move): Update.
6803 2001-03-23 Richard Henderson <rth@redhat.com>
6805 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
6806 to avoid shadowing arguments.
6808 2001-03-23 Jakub Jelinek <jakub@redhat.com>
6810 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
6811 to variable names where DECL_NAME is different from
6812 DECL_ASSEMBLER_NAME.
6814 2001-03-23 Jim Wilson <wilson@redhat.com>
6816 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
6817 (assemble_alias): Call make_decl_rtl.
6819 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
6821 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
6823 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
6825 * extend.texi: Document the "java_interface" attribute.
6827 2001-03-22 Zack Weinberg <zackw@stanford.edu>
6829 * mkconfig.sh: Use a subshell with redirected stdout,
6830 instead of closing stdout and confusing commands that run
6831 afterward. Throw away output of cmp.
6833 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
6835 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
6837 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
6839 * i386.md (zero_extendsidi2_32): Break out from ...
6840 (zero_extendsidi2): ... here ; turn to expander.
6841 (zero_extendsidi2_rex64): New.
6842 (extendsidi2_32): Break out from ...
6843 (extendsidi2): ... here ; turn to expander.
6844 (extendsidi2_rex64): New.
6845 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
6846 (trunc?f?f splitters): Add 64bit versions.
6848 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
6850 * i386.md (pushsi, pushsi2_prologue): Disable.
6851 (pushsi2_rex64): New.
6852 (movabs?i_1_rex64, movabs?i_2_rex64): New.
6853 (movqi_ext_1): Disable for 64bit.
6854 (movqi_ext_1_rex64): New.
6855 (pushdi2_rex64): New pattern, peep2s and splitter.
6856 (pushdi2_prologue_rex64): New pattern.
6857 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
6859 (movdi splitters): Disable for 64bit.
6860 (movdi_1_rex64): New pattern, peep2s and splitters.
6861 (swapdi): New pattern.
6862 (pushsf): Disable for 64bit.
6863 (pushsf_rex64): New pattern and splitter.
6864 (pushdf_nointeger): Disable for 64bit.
6865 (pushdf_integer): Handle the 64bit case.
6866 (pushtf): Likewise; update splitters.
6868 2001-03-22 Richard Henderson <rth@redhat.com>
6870 * mkconfig.sh: Include insn-flags.h.
6871 * Makefile.in (CONFIG_H): Include insn-flags.h.
6872 (lots of objects): Remove insn-codes.h and insn-flags.h.
6874 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
6875 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
6876 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
6877 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
6878 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
6879 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
6880 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
6881 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
6882 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
6883 v850/v850.c, vax/vax.c:
6884 Don't include insn-flags.h.
6886 * diagnostic.c, expr.h, reload.c, toplev.c:
6887 Don't include insn-codes.h.
6889 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
6890 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
6891 c4x/c4x.c, i960/i960.c, mips/mips.c:
6892 Don't include insn-codes.h or insn-flags.h.
6894 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
6895 or insn-flags.h in the generated code.
6896 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
6897 (main): Forward declare struct rtx_def.
6899 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
6901 * invoke.texi (-ffast-math): Remove duplicate line about
6904 * gcc.texi: Remove more obsolete documentation of bugs and
6905 installation problems.
6907 2001-03-21 Kazu Hirata <kazu@hxi.com>
6909 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
6912 2001-03-20 Jason Merrill <jason@redhat.com>
6914 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
6916 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
6917 * varasm.c (CHKR_PREFIX): Likewise.
6919 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6921 * gcse.c (hash_scan_set): An expression is not anticipatible if it
6922 is part of a multi-SET insn.
6924 * cse.c (find_comparison_args): Remove previous change.
6925 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
6928 * config/i386/i386.md (conditional_trap): Remove warning.
6930 * recog.c (push_operand): Fix error in last change that caused
6931 undefined symbol on many targets.
6933 * sdbout.c: #include ggc.h.
6934 (sdbout_init): Move to end of file.
6935 Call ggc_add_tree_root for anonymous_types.
6936 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
6937 (sdbout_one_type): Use DECL_NAME for field name.
6938 * Makefile.in (sdbout.o): Show includes ggc.h.
6940 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
6942 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
6943 (override_options): Use properlimits for preferred_stack_boundary.
6944 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
6946 (ext_register_operand): Accept DImode.
6947 (load_pic_register): Abort on 64bit.
6948 (gen_push): Use Pmode instead of SImode.
6949 (ix86_save_reg): Pic reg is never used on 64bit.
6950 (ix86_expand_prologue): Likewise.
6951 (ix86_emit_save_regs): Use Pmode instead of SImode.
6952 (legitimate_address_p): Check displacement for 64bit.
6953 (print_operand): Avoid outputting of (%rip) on 64bit.
6954 (print_operand_address): Output (%rip) where possible.
6955 (split_di): Abort on 64bit registers.
6956 (ix86_expand_branch): DImode comparison is simple for x86_64.
6957 (memory_address_length): Recognize memory addresses formed using
6959 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
6961 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
6963 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
6965 * recog.c (push_operand): Recognize new format of push instructions.
6967 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
6969 * i386.md (pushqi1): New.
6970 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
6971 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
6972 x86_64_immediate_operand, x86_64_immediate_operand,
6973 x86_64_zext_immediate_operand): Declare.
6974 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
6975 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
6976 x86_64_immediate_operand, x86_64_immediate_operand,
6977 x86_64_zext_immediate_operand): define.
6978 * i386.h (PREDICATE_CODES): Add new predicates.
6980 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
6982 * i386.md (pophi1, popqi1, pushqi1): Remove.
6984 * expr.c (emit_single_push_insn): New function.
6985 (move_by_pieces): Accept NULL as destination for push instructions.
6986 (gen_push_operand): Kill.
6987 (emit_push_insn): Pass NULL when pushing; avoid updating of
6988 stack_pointer_delta.
6989 * expr.h (gen_push_operand): Kill.
6991 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6993 * rtl.texi (COMPARE): Clarify documentation and reference section
6996 2001-03-20 Stan Shebs <shebs@apple.com>
6998 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
6999 (get_object_reference): Ditto.
7000 (error_with_ivar): Use error_with_file_and_line.
7001 (warn_with_method): Use warning_with_file_and_line.
7003 2001-03-20 Tom Tromey <tromey@redhat.com>
7005 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
7007 2001-03-20 Mark Mitchell <mark@codesourcery.com>
7009 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
7010 variables that are TREE_PUBLIC, even if not TREE_STATIC.
7012 2001-03-20 DJ Delorie <dj@redhat.com>
7014 * Makefile.in (install-libgcc): Pass complete list of variables.
7015 (install-multilib): Ditto.
7017 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
7019 * config/i386/cygwin.h: Declare ctor_section, dtor_section
7020 drectve_section, switch_to_section.
7022 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
7023 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
7024 i386_pe_mark_dllimport.
7026 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
7028 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
7029 functions i386_pe_*.
7031 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
7032 i386_pe_* functions with char * arguments.
7034 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
7036 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
7038 (movsi_ie): Introduce fpul store.
7040 2001-03-20 Alan Modra <alan@linuxcare.com.au>
7042 * Makefile.in (OBJS): Remove hashtab.o.
7044 2001-03-19 Stan Shebs <shebs@apple.com>
7046 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
7047 * c-lang.c (maybe_objc_method_name): Ditto.
7048 * c-tree.h (maybe_objc_method_name): Remove decl.
7050 2001-03-19 Tom Tromey <tromey@redhat.com>
7052 * gcc.c (init_gcc_specs): Fix comment.
7054 2001-03-19 Mark Mitchell <mark@codesourcery.com>
7056 Compute DECL_ASSEMBLER_NAME lazily.
7057 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
7058 (DECL_ASSEMBLER_NAME_SET_P): New macro.
7059 (SET_DECL_ASSEMBLER_NAME): Likewise.
7060 (COPY_DECL_ASSEMBLER_NAME): Likewise.
7061 (set_decl_assembler_name): Declare.
7062 (lang_set_decl_assembler_name): Likewise.
7063 * tree.c (lang_set_decl_assembler_name): New variab.e
7064 (set_decl_assembler_name): New function.
7065 (init_obstacks): Set lang_set_decl_assembler_name.
7066 (build_decl): Don't set DECL_ASSEMBLER_NAME.
7067 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
7068 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
7069 where it's not necessary.
7070 (builtin_function): Likewise.
7071 (finish_decl): Likewise.
7072 * dbxout.c (dbxout_type_methods): Likewise.
7073 * ggc-common.c (ggc_mark_trees): Likewise.
7074 * profile.c (output_func_start_profiler): Likewise.
7075 * varasm.c (make_decl_rtl): Likewise.
7077 * cse.c (find_comparison_args): Update documentation. Fix
7078 mishandling of COMPARE operations.
7080 * tree.def (ABS_EXPR): Add documentation.
7081 * fold-const.c (fold): Improve folding of ABS_EXPRs.
7083 2001-03-19 Zack Weinberg <zackw@stanford.edu>
7085 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
7087 2001-03-19 Jakub Jelinek <jakub@redhat.com>
7089 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
7090 Remove ia32 linux PIC kludge and move it...
7091 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
7093 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
7095 * i386.md (absdf2 expander): Fix 64bit case.
7097 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
7099 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
7101 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
7103 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
7105 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7107 * README.X11: Remove obsolete file.
7109 2001-03-18 Anthony Green <green@redhat.com>
7111 * config/pj/pj.h: Remove some trailing commas.
7112 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
7114 2001-03-18 Richard Henderson <rth@redhat.com>
7116 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
7117 * calls.c: ... here.
7118 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
7119 defaults for them here.
7121 2001-03-17 Anthony Green <green@redhat.com>
7123 * config/pj/lib1funcs.S: Fix broken comment.
7124 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
7127 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
7129 * gcc.texi: Remove obsolete information relating to build and
7130 installation problems with enquire or the Pyramid C compiler.
7132 2001-03-17 Richard Henderson <rth@redhat.com>
7134 * dwarf2out.c (queue_reg_save): New.
7135 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
7136 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
7138 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
7139 (cfa, cfa_store, cfa_temp): Make static.
7140 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
7142 2001-03-17 Richard Henderson <rth@redhat.com>
7144 * integrate.h (struct inline_remap): Add local_return_label.
7145 * integrate.c (expand_inline_function): Initialize it and emit
7146 it after copy_insn_notes.
7147 (copy_insn_list): Don't store local_return_label here.
7148 (copy_insn_notes): New function split out from copy_insn_list.
7150 2001-03-17 Richard Henderson <rth@redhat.com>
7152 * dwarf2out.c (lookup_filename): Emit .file if the assembler
7153 is generating .debug_line.
7154 (dwarf2out_init): Add main_input_filename to the file table first.
7155 * configure.in (as_dwarf2_debug_line): Test with file number 1
7156 instead of file number 0.
7158 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7160 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
7161 (gen_rtx_combine): Deleted; all references changed as appropriate.
7162 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
7164 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
7166 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
7168 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
7171 2001-03-16 Jim Wilson <wilson@redhat.com>
7173 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
7174 then set it to LOC_REG (79) instead of aborting.
7176 2001-03-16 Phil Edwards <pme@sources.redhat.com>
7178 * gccbug.in: Remove high priority.
7180 2001-03-16 Richard Henerson <rth@redhat.com>
7182 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
7183 output with a space instead of deleting it.
7184 * configure: Regenerate.
7186 2001-03-16 Zack Weinberg <zackw@stanford.edu>
7188 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
7189 handles the gory details of converting an object file into
7190 something that's safe to grep.
7191 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
7192 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
7193 newlines at either end of the string we're looking for.
7194 Make 'checking ...' message less stilted.
7195 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
7196 ARM in-memory layout and its hypothetical converse. Don't
7197 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
7198 HOST_WORDS_BIG_ENDIAN.
7200 * configure.in: Adjust for renamed macro. Move
7201 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
7202 * configure, config.in: Regenerate.
7204 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
7206 * fixinc/Makefile.in: Set SHELL.
7208 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
7210 * fixinc/fixincl.c (fix_with_system): Quote file names before
7211 passing them to shell.
7213 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
7215 * Makefile.in: Use fix-header$(build_exeext) instead
7218 2001-03-16 Richard Henderson <rth@redhat.com>
7220 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
7221 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
7222 (size_of_line_prolog): Remove.
7223 (output_line_info): Compute prologue size via label difference.
7224 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
7226 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
7227 assembler error when redefining file numbers.
7228 * config.in, configure: Rebuild.
7230 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
7231 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
7232 (dw2_asm_output_delta_uleb128): Likewise.
7233 (dw2_asm_output_delta_sleb128): Similarly.
7234 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
7236 2001-03-16 Michael Meissner <meissner@redhat.com>
7238 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
7240 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
7242 (BITMASK_LOWER16): Replacement for 0x0000ffff.
7244 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
7245 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
7246 being unsigned in ISO C and signed in traditional.
7247 (expand_prologue): Ditto.
7248 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
7250 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
7252 (divsi3,divdi3): Ditto.
7253 (modsi3,moddi3): Ditto.
7254 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
7255 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
7256 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
7259 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
7261 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
7262 SSE based conditional moves on LTGT/UNEQ conditions;
7263 Canonicalize EQ to NE.
7264 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
7265 (sse_mov?fcc_ne): New.
7267 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
7269 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
7271 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
7272 register may be dead.
7274 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
7276 * Makefile.in (hash.o): Depend on CONFIG_H.
7278 2001-03-15 Mark Mitchell <mark@codesourcery.com>
7280 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
7282 2001-03-15 Richard Henderson <rth@redhat.com>
7284 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
7285 (ASM_OUTPUT_DWARF_PCREL): New.
7286 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
7288 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
7290 * cppfiles.c (stack_include_file): Use MAX of sysp.
7292 2001-03-15 Steve Ellcey <sje@cup.hp.com>
7294 * config.gcc (ia64*-*-hpux*): New case.
7295 * config/ia64/hpux.h: New file for HP-UX support.
7296 * config/ia64/t-hpux: New file for HP-UX support.
7298 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
7300 * fixinc/inclhack.def (irix_stdio_va_list): New.
7301 * fixinc/fixincl.x: Rebuilt.
7303 2001-03-15 Richard Henderson <rth@redhat.com>
7305 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
7306 if provided by the target.
7307 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
7308 (dw2_asm_output_addr): New.
7309 * dwarf2asm.h (dw2_asm_output_addr): Declare.
7310 * dwarf2out.c (output_cfi): Use it for program addresses.
7311 (output_call_frame_info, output_die): Likewise.
7312 (output_aranges, output_line_info): Likewise.
7314 2001-03-15 Bruce Korb <bkorb@gnu.org>
7316 * gcc.c(main): make more rigorous
7317 * collect2.c(main): guard against ignoring SIGCHLD
7318 * protoize.c(main): ditto
7319 * gcc/fixinc/fixincl.c(initialize): ditto
7321 2001-03-15 Mark Mitchell <mark@codesourcery.com>
7323 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
7324 (sdbout_parms): Likewise.
7326 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
7328 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
7329 "widen" a destination that is already wider than a word. Also do
7330 not widen if LOAD_EXTEND_OP is NIL for the given mode.
7332 2001-03-15 Bernd Schmidt <bernds@redhat.com>
7334 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
7336 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
7338 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
7340 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
7342 * i960.h (i960_maxbitalignment,
7343 i960_last_maxbitalignment): Declare.
7344 * i960.c (i960_maxbitalignment,
7345 i960_last_maxbitalignment): Make global.
7346 (process_pragma): Delete.
7347 (i960_pr_align, i960_pr_noalign): Move from here ...
7348 * i960-c.c: ... to this new file.
7349 * t-960bare (i960-c.o): New rule.
7350 * t-vxworks960 (i960-c.o): Likewise.
7351 * config.gcc (i960-*-*): Define c_target_objs and
7354 2001-03-15 Bernd Schmidt <bernds@redhat.com>
7356 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
7357 without adding in rtx code and mode.
7359 * alias.c (init_alias_analysis): Don't use any rtx whose value
7360 varies as a known value.
7361 Delete a superfluous test.
7363 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
7365 (ia64_sched_reorder): Call maybe_rotate; also rotate after
7366 scheduling a stop bit.
7367 (ia64_emit_nops): Correctly handle ASMs.
7369 2001-03-15 Mark Mitchell <mark@codesourcery.com>
7371 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
7373 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
7375 * cpp.texi: Update documentation for -include and -imacros.
7376 * cppfiles.c (struct include_file): Remove "defined" memeber.
7377 (find_or_create_entry): Make a copy of the file name, and
7379 (open_file): Update to ensure we use the simplified filename.
7380 (stack_include_file): Don't set search_from.
7381 (cpp_included): Don't simplify the path name here.
7382 (find_include_file): New prototype. Call search_from to
7383 get the start of the "" include chain. Don't simplify the
7385 (_cpp_execute_include): New prototype. Move diagnostics to
7386 do_include_common. Update.
7387 (_cpp_pop_file_buffer): Don't set defined.
7388 (search_from): New prototype. Use the preprocessor's cwd
7389 for files included from the command line.
7390 (read_name_map): Don't simplify the pathname here.
7391 * cpphash.h (enum include_type): New.
7392 (struct buffer): Delete search from. New search_cached.
7393 (_cpp_execute_include): Update prototype.
7394 * cppinit.c (do_includes): Use _cpp_execute_include.
7395 * cpplib.c (do_include_common): New function.
7396 (do_include, do_include_next, do_import): Use it.
7398 2001-03-14 Mark Mitchell <mark@codesourcery.com>
7400 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
7401 contents of the RTL, to determine the name of the object.
7403 2001-03-14 Mark Mitchell <mark@codesourcery.com>
7405 * tree.h (DECL_RTL): Allocate RTL lazily.
7406 (SET_DECL_RTL): New macro.
7407 (DECL_RTL_SET_P): Likewise.
7408 (COPY_DECL_RTL): Likewise.
7409 (DECL_RTL_IF_SET): Likewise.
7410 * varasm.c (make_decl_rtl): Add assertions about the kind of
7411 declaration we are processing.
7412 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
7413 (start_decl): Likewise.
7414 (finish_decl): Likewise.
7415 * c-semantics.c (emit_local_var): Likewise.
7416 * calls.c (expand_call): Likewise.
7417 * dbxout.c (dbxout_symbol): Likewise.
7418 * emit-rtl.c (unshare_all_rtl): Likewise.
7419 (unshare_all_decls): Likewise.
7420 (reset_used_decls): Likewise.
7421 * expr.c (store_constructor): Likewise.
7422 (safe_from_p): Likewise.
7423 (expand_expr): Likewise.
7424 * function.c (put_var_into_stack): Likewise.
7425 (instantiate_decls_1): Likewise.
7426 (assign_parms): Likewise.
7427 (expand_function_start): Likewise.
7428 (expand_function_end): Likewise.
7429 * ggc-common.c (gcc_mark_trees): Likewise.
7430 * integrate.c (function_cannot_inline_p): Likewise.
7431 (copy_decl_for_inlining): Likewise.
7432 (expand_inline_function): Likewise.
7433 (integrate_parm_decls): Likewise.
7434 (integrate_decl_tree): Likewise.
7435 * print-tree.c (print_node): Likewise.
7436 * reg-stack.c (stack_result): Likewise.
7437 * stmt.c (label_rtx): Likewise.
7438 (expand_return): Likewise.
7439 (expand_decl): Likewise.
7440 (expand_decl_cleanup): Likewise.
7441 (expand_anon_union_decl): Likewise.
7442 * toplev.c (check_global_declarations): Likewise.
7443 (rest_of_decl_compilation): Likewise.
7444 * tree.c (simple_cst_equal): Likewise.
7445 * objc/objc-act.c (generate_static_references): Likewise.
7447 2001-03-14 Zack Weinberg <zackw@stanford.edu>
7449 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
7450 gcc_AC_C_FLOAT_FORMAT): New macros.
7451 * configure.in: Add AC_PROG_CPP after CC tests;
7452 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
7453 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
7454 * configure, config.in: Regenerate.
7456 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
7457 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
7458 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
7459 config/i370/xm-linux.h, config/i370/xm-oe.h,
7460 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
7461 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
7462 config/pa/xm-linux.h, config/pa/xm-pa.h,
7463 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
7464 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
7465 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
7466 config/we32k/xm-we32k.h: Delete.
7468 * config/i370/xm-mvs.h, config/m88k/m88k.h,
7469 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
7470 config/vax/xm-vms.h: Don't define any of:
7471 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
7473 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
7475 * config.gcc: Remove references to deleted files.
7476 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
7477 FATAL_EXIT_CODE, which is the same between oe and mvs).
7479 2001-03-14 DJ Delorie <dj@redhat.com>
7480 Vladimir Makarov <vmakarov@redhat.com>
7482 * config/i960/i960.c (i960_function_prologue): Compute size of
7483 frame according to number of registers actually saved there.
7485 2001-03-14 Richard Henderson <rth@redhat.com>
7487 * expr.c (emit_move_insn_1): Fix else if around #endif.
7489 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
7492 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
7495 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
7497 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
7498 (override_options): Parse cmodel string.
7499 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
7500 * i386.h (TARGET_OPTIONS): Add "cmodel".
7501 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
7503 (ix86_cmodel_string, ix86_cmodel): Declare.
7505 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
7508 * i386.h (GENERAL_REG_P): Add missing REG_P.
7510 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
7512 * configure.in: Use $gcc_cv_as instead of $as.
7513 * configure: Regenerated.
7515 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
7517 * cppfiles.c (stack_include_file): Only increase the include
7518 count if we actually process the file properly, as opposed
7519 to treating it as length zero. Only call read_include_file
7520 if not DO_NOT_REREAD. Handle the -H include file output
7522 (read_include_file): Remove now redundant DO_NOT_REREAD check.
7523 (cpp_included, find_include_file): Simplify pathnames after
7524 remapping them. If remapping, don't use the remapped file
7525 name's buffer as our scratch buffer.
7526 (cpp_pop_file_buffer): Replace the multiple include macro
7527 only if it isn't yet set.
7528 (read_name_map): Simplify remapped names when reading in.
7529 (remap_filename): Move code to code path that uses it.
7530 (_cpp_simplify_pathname): Return the input pointer.
7531 * cpphash.h (_cpp_simplify_pathname): Update prototype.
7533 2001-03-14 Mark Mitchell <mark@codesourcery.com>
7535 * expr.c (expand_expr): Revove bogus conditional.
7537 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
7539 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
7541 2001-03-14 Jakub Jelinek <jakub@redhat.com>
7543 * reg-stack.c (stack_result): Unconditionally use
7544 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
7546 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
7548 * expr.c (emit_move_insn_1): Split push of complex value when
7549 no suitable push instruction exist.
7551 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
7552 instead of QI_REG_P.
7554 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7556 * alias.c (handled_component_p, can_address_p): New functions.
7557 (get_alias_set): Use them.
7559 2001-03-13 Jim Wilson <wilson@redhat.com>
7561 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
7562 from 80 in try_locals code.
7563 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
7565 2001-03-13 Zack Weinberg <zackw@stanford.edu>
7567 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
7568 gcc_AC_C_LONG_LONG): New.
7569 * configure.in: Use them. Probe the size of short, int, long,
7570 and long long/__int64 if we have them. Move all the AC_C_*
7571 checks together, except gcc_AC_C_CHAR_BIT which has to go
7572 after AC_CHECK_HEADERS(limits.h).
7573 Take hwint.h out of host_xm_file and build_xm_file.
7575 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
7576 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
7577 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
7578 Move the HOST_WIDEST_INT setup logic here from system.h.
7579 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
7581 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
7582 is now handled by hwint.h.
7584 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
7585 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
7586 config/ia64/xm-ia64.h: Don't define any of:
7587 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
7588 HOST_BITS_PER_LONGLONG.
7590 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
7591 config/h8300/xm-h8300.h, config/mips/iris6.h,
7592 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
7593 config/sparc/xm-sp64.h: Delete.
7594 * config.gcc: Remove references to deleted files.
7596 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
7597 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
7598 * config/i370/xm-linux.h: Clarify floating-point situation in
7601 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
7603 * cppfiles.c (NO_INCLUDE_PATH): New macro.
7604 (find_include_file): Decide here which part of the include
7605 chain to start the search. Complain about an empty include
7606 chain in all cases apart from an abolsute file name.
7607 (_cpp_execute_include): Don't choose the search chain here.
7608 Don't call handle_missing_include in the case of an empty
7610 (_cpp_compare_file_date): Don't choose the search chain here.
7611 * cpplib.c (do_include_next): Move the in-main-file diagnostic
7612 here from _cpp_execute_include. Behave like #include if
7613 we're in the main file.
7615 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7617 * system.h (malloc, realloc, calloc, strdup): Only poison these
7618 tokens when IN_GCC is defined.
7620 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
7622 * i386.md (abs?f expander): Support SSE case.
7623 (abd?f_if): Add new "USE"; add splitters.
7625 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7627 * cpp.texi (poison): Explain the macro expansion exception.
7629 2001-03-13 Jakub Jelinek <jakub@redhat.com>
7631 * expr.c (store_expr): Add dont_store_target. If temp is already in
7632 target before copying to reg, don't store it into target again.
7634 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
7636 * cppinternals.texi: Update for file handling.
7638 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
7640 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
7641 2001-02-24 which broke building the Java library.
7642 * function.c (identify_blocks): Likewise.
7643 (all_blocks): Likewise.
7644 * integrate.c (integrate_decl_tree): Likewise.
7645 * print-tree.c (print_node): Likewise.
7646 * tree.h (BLOCK_NUMBER): Likewise.
7647 (struct tree_block): Likewise.
7649 2001-03-12 David Edelsohn <edelsohn@gnu.org>
7651 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
7652 __WCHAR_TYPE__ definition.
7653 (WCHAR_TYPE_SIZE): #undef before #define.
7655 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
7657 * cppfiles.c: Update comments.
7658 (destroy_include_file_node): Rename destroy_node.
7659 (find_or_create_entry): New function.
7660 (open_file, _cpp_fake_include): Use it.
7661 (handle_missing_header): New function, broken out of
7662 _cpp_execute include. Don't segfault if there is no
7663 system or quoted path.
7664 (_cpp_execute_include): Use handle_missing_header.
7666 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
7668 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
7669 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
7671 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7673 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
7674 unless anti_dependence says they are.
7675 * alias.c (objects_must_conflict): If neither has a type specified,
7678 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
7679 David Billinghurst <David.Billinghurst@riotinto.com>
7681 * config/mips/iris5.h: Change WCHAR_TYPE to int.
7683 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
7685 * i386.md (trunctfdf2_2): Rename missnamed pattern.
7686 (*_one_bit): Remove type on the match_operand in attributes.
7688 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
7690 * i386.c: Commit forgotten hunk in previous patch.
7691 (regclass_map): Add extended registers.
7692 (dbx_register_map): Add missing frame register.
7694 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
7696 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
7698 * i386.md (x86_sahf_1): Disable for 64bit.
7699 (popsi*, pophi*): Likewise.
7700 (pushqi, pushhi): Likewise.
7701 (movdi, pushdi): Likewise.
7702 (zero extend DImode splitter): Likewise.
7703 (adddi, minusdi splitter): Likewise.
7704 (umulsidi): Likewise.
7706 (mulsidi): Disable for 64bit
7707 (lshift:DI/ashift:DI): Disable for 64bit.
7708 (loop patterns): Likewise.
7709 (call_pop, call_value_pop expanders and patterns): Likewise.
7710 (prologue_get_pc): Likewise.
7712 (fcmovDI pattern and splitter): Likewise.
7713 (movdfcc_1_rex64): New.
7715 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
7717 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
7718 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
7719 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
7720 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
7721 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
7722 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
7723 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
7724 (PUSH_ROUNDING): x86_64 rounds to 64bits.
7725 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
7726 (REGPARM_MAX): Set to 6 for x86_64.
7727 (SSE_REGPARM_MAX): Set to 16 for x86_64.
7728 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
7731 * (patterns that does use upper halves): Update constraints
7732 'q' to 'Q' and 'r' to 'R'.
7733 (cmpqi_ext_1): Disable for 64bit.
7734 (cmpqi_ext_3_insn): Likewise.
7735 (movqi_extzv_1): Likewsie.
7736 (addqi_ext_1): Liekwsie
7737 (testqi_ext_1): Liekwsie
7738 (andqi_ext_1): Liekwsie
7739 (xorqi_ext_1): Liekwsie
7740 (cmpqi_ext_1_rex64): New.
7741 (cmpqi_ext_3_insn_rex64): Likewise.
7742 (movqi_extzv_1_rex64): Likewsie.
7743 (addqi_ext_1_rex64): Liekwsie
7744 (testqi_ext_1_rex64): Liekwsie
7745 (andqi_ext_1_rex64): Liekwsie
7746 (xorqi_ext_1_rex64): Liekwsie
7748 2001-03-11 Zack Weinberg <zackw@stanford.edu>
7750 * configure.in: Move check for unsigned enumerated bitfields
7751 to macro in aclocal.m4. Disable it for now.
7752 * configure, config.in: Regenerate.
7753 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
7754 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
7755 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
7756 kind above its first use.
7758 * config/xm-interix.h, config/alpha/xm-alpha.h,
7759 config/i370/xm-linux.h, config/i386/xm-beos.h,
7760 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
7761 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
7762 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
7763 Don't define ONLY_INT_FIELDS under any circumstances.
7765 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
7767 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
7768 config/sparc/xm-sysv4.h: Delete - now identical with some
7770 * config.gcc (hppa targets): Replace xm-pahpux.h and
7771 xm-papro.h with implicit xm-pa.h.
7772 (sparc targets): Replace xm-sysv4.h with implicit or explicit
7775 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
7777 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
7778 before reload_cse_noop_set_p.
7780 2001-03-11 Zack Weinberg <zackw@stanford.edu>
7782 * config.gcc: Where xm-host.h used to include another
7783 xm-host.h, list the nested header directly in xm_file. Remove
7784 references to deleted files. Can now use sparc/xm-sp64.h for
7787 * config/xm-linux.h, config/arm/xm-linux.h,
7788 config/i386/xm-dos.h, config/i386/xm-gnu.h,
7789 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
7790 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
7791 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
7792 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
7795 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
7796 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
7797 bother to wrap #undef in #ifdef.
7798 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
7799 Don't include xm-linux.h.
7800 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
7802 * configure.in: Wrap regexps using [] in changequote block.
7803 Use expr : not echo | grep. Simplify regexps.
7804 * configure: Regenerate.
7806 56 xm-files remain, 22 xm-arch.
7808 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7810 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
7811 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
7812 (local_index, local_rindex): Delete, use strchr/strrchr instead.
7813 (copy_object): Fix format specifier vs argument mismatch.
7815 * mips-tdump.c: Make local functions static.
7816 (rindex): Don't #undef.
7817 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
7818 (fatal, fancy_abort): Delete.
7819 (read_seek): Avoid signed/unsigned compare.
7821 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7823 * combine.c (try_combine): Fix error in change to try original
7825 (gen_rtx_combine): Do same as gen_rtx for now.
7827 2001-03-11 Zack Weinberg <zackw@stanford.edu>
7829 * configure.in: AC_SUBST xm_defines.
7830 * configure: Regenerate.
7831 * Makefile.in: Set DEFINES=$(xm_defines) when building
7834 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
7836 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
7837 (cpp_included, find_include_file): Update.
7838 (_cpp_compare_file_date): Make else unconditional.
7840 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
7842 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
7844 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
7846 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
7847 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
7849 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
7851 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
7852 if it's a record type.
7854 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
7856 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
7857 mingw includes slightly.
7859 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7861 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
7862 #undef token before poisoning it.
7864 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7866 * alpha.c (check_float_value): Use memcpy, not bcopy.
7868 * m32r.c (m32r_sched_reorder): Likewise.
7870 * vax.c (check_float_value): Likewise.
7872 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
7874 * toplev.c (file_name_nondirectory): Remove.
7875 * toplev.h: Similarly.
7876 * dwarf2out.c (compute_section_prefix): Use lbasename instead
7877 of file_name_nondirectory.
7879 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7881 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
7882 * mips-tfile.c: Don't #undef rindex; not used.
7884 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
7886 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
7887 (dbx64_register_map): Declare.
7888 (RETURN_ADDR_RTX): Fix for 64bit.
7889 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
7890 (INCOMING_FRAME_SP_OFFSET): Set to 8.
7891 * i386.c (dbx64_register_map): New global array.
7892 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
7893 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
7896 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
7898 * cppfiles.c (search_from): Use lbasename.
7899 * mkdeps.c (deps_add_default_target): Use lbasename.
7901 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7903 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
7904 xcalloc in lieu of malloc, realloc & calloc.
7906 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
7908 * gengenrtl.c (xmalloc): Likewise.
7910 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
7911 really_call_* memory allocation routines.
7913 * stmt.c (check_for_full_enumeration_handling): Use
7914 really_call_calloc, not calloc.
7916 * system.h (really_call_malloc, really_call_calloc,
7917 really_call_realloc): Define.
7918 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
7920 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
7922 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
7924 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
7926 * configure: Rebuilt.
7927 * configure.in: Only use `lang_requires' for languages athat are
7930 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
7932 * invoke.texi: Fix typo.
7933 * gcc.1: Regenerate.
7935 2001-03-09 Zack Weinberg <zackw@stanford.edu>
7937 * configure.in: Prune nonexistent files from build_xm_file,
7938 xm_file, and host_xm_file lists. Warn unless they're
7940 Don't generate *config.h here.
7941 AC_SUBST all variables needed to generate *config.h.
7942 * configure: Regenerate.
7943 * mkconfig.sh: New helper script, from code removed from
7945 * Makefile.in: Zap all MALLOC variables - no longer used
7946 anywhere, and malloc.c doesn't exist.
7947 Substitute in variables needed to generate *config.h.
7948 Stop lying about the dependencies contained in CONFIG_H and
7950 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
7951 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
7952 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
7953 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
7954 $(TM_P_H), etc. as appropriate.
7956 * config.gcc: Zap references to deleted files.
7957 * ggc-none.c: Don't include rtl.h or tm_p.h.
7959 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
7960 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
7961 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
7962 config/i386/xm-linux.h, config/i386/xm-linux.h,
7963 config/i386/xm-next.h, config/i386/xm-openbsd.h,
7964 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
7965 Don't include i386/xm-i386.h.
7967 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
7968 config/i386/xm-i386.h, config/i860/xm-i860.h,
7969 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
7970 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
7971 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
7972 Delete (empty except comments, #includes of other deleted
7973 files, and macros used nowhere).
7975 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
7977 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
7978 independent on TARGET_FLAGS.
7980 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
7982 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
7984 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
7986 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
7988 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
7989 LAST_REX_SSE_REG): define.
7990 (enum reg_class): Add 'LEGACY_REGS'
7991 (REG_CLASS_CONTENTS): Likewise; add extended registers.
7992 (SSE_REGNO_P): Recognize extended registers.
7993 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
7994 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
7995 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
7996 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
7997 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
7998 REG_OK_FOR_STRREG_P): Remove.
7999 (HI_REGISTER_NAMES): Add extended registers.
8000 (ADDITIONAL_REGISTER_NAMES): Likewise.
8001 (QI_REGISTER_NAMES): Add 8bit extended registers.
8002 (DEBUG_REG): Support extended registers.
8003 * i386.c (regclass_map): Add extended registers.
8004 (dbx_register-map): Likewise.
8005 (svr4_dbx_register_map): Likewise.
8006 (print_reg): Support extended registers.
8007 (print_operand): Support 64bit operands.
8009 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
8011 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
8012 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
8013 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
8014 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
8015 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
8016 STACK_BOUNDARY): Set properly for 64bits.
8017 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
8018 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
8019 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
8020 (MOVE_MAX): Set to 16.
8021 (MOVE_MAX_PIECES): 8 for 64bit.
8022 (Pmode): Set to SImode.
8024 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
8026 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
8028 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
8030 * i386.h (mask_64bit): New constant.
8031 (target_64bit): New macro.
8032 (target_options): Add '64'/'32'
8033 (target_default): Define.
8034 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
8035 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
8036 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
8038 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
8040 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
8042 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
8044 * rtlanal.c (rtx_varies_p): Check operand 0 of a
8045 LO_SUM unless for_alias is set.
8047 2001-03-08 Stan Shebs <shebs@apple.com>
8049 * objc/objc-act.c: Fix old typos in comments, add comments for
8051 (hash_init): Fix file name in error message.
8052 (hash_enter): Ditto.
8053 (hash_add_attr): Ditto.
8054 (continue_class): Ditto.
8056 2001-03-08 Bruce Korb <bkorb@gnu.org>
8058 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
8059 wait4() can receive the signal.
8061 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8063 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
8065 * fixinc/fixincl.x: Regenerate.
8067 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8069 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
8071 * fixinc/fixincl.x: Regenerate.
8073 2001-03-08 Richard Henderson <rth@redhat.com>
8075 * configure.in (HAVE_AS_LEB128): New assembler check.
8076 * configure, config.in: Rebuilt.
8078 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
8080 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
8083 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8085 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
8086 references to the MAXPATHLEN macro.
8088 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
8089 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
8092 * config/i386/xm-gnu.h, config/xm-gnu.h,
8093 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
8094 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
8095 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
8096 and/or unused files.
8098 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
8099 doing so in various xm-*.h files.
8101 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8103 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
8105 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
8107 * configure.in (enable_shared): Support per-package shared-library
8109 * configure: Rebuilt.
8111 2001-03-07 David Edelsohn <edelsohn@gnu.org>
8113 * rs6000.md (cr logic): Add original POWER mnemonic alternative
8114 for crnot. Set operands[5] in splitter.
8116 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8118 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
8119 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
8120 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
8121 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
8122 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
8123 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
8124 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
8127 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
8128 config/i370/xm-i370.h, config/i386/xm-dgux.h,
8129 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
8130 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
8131 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
8132 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
8133 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
8134 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
8135 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
8136 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
8137 Delete unused and/or empty files.
8139 * config.gcc: Define USG in xm_defines as appropriate. Define
8140 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
8141 macro. Remove deleted xm-* files from $xm_files variable.
8143 2001-03-07 Tom Tromey <tromey@redhat.com>
8145 * configure: Rebuilt.
8146 * configure.in: Allow config-lang.in to set `lang_requires' to list
8147 of other required languages.
8149 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
8151 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
8153 (output_prologue): Use xmalloc not oballoc.
8154 (output_epilog): Free a29k_first_epilogue_insn when finished.
8155 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
8157 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
8159 * builtins.c (expand_builtin_mathfn): Check
8160 flag_unsafe_math_optimizations, not flag_fast_math.
8161 (expand_builtin): Likewise
8162 * combine.c (combine_simplify_rtx): Likewise.
8163 (simplify_if_then_else): Likewise.
8164 * cse.c (fold_rtx): Likewise.
8165 * flags.h: Remove flag_fast_math. Add
8166 flag_unsafe_math_optimizations and flag_trapping_math.
8167 * fold-const.c (negate_expr): Check
8168 flag_unsafe_math_optimizations, not flag_fast_math.
8169 (invert_truthvalue): Likewise.
8170 (fold): Likewise. Before associating operands, check that
8171 code == MULT_EXPR, not code != MULT_EXPR.
8172 * ifcvt.c (noce_try_minmax): Check
8173 flag_unsafe_math_optimizations, not flag_fast_math.
8174 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
8175 * invoke.texi: Document -funsafe-math-optimizations and
8176 -fno-trapping-math. Change documentation for -ffast-math.
8177 * jump.c (reversed_comparison_code_parts): Likewise.
8178 (rtx_equal_for_thread_p): Likewise.
8179 * optabs.c (emit_conditional_move): Likewise.
8180 * simplify-rtx.c (simplify_binary_operation): Likewise.
8181 (simplify_relational_operation): Likewise.
8182 (simplify_ternary_operation): Likewise.
8183 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
8184 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
8185 Add trapping-math and unsafe-math-optimizations entries to f_options.
8186 (set_fast_math_flags): New, sets flags for -ffast-math.
8187 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
8188 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
8189 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
8191 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
8192 (alpha_emit_conditional_move): Initialize local_fast_math to
8193 flag_unsafe_math_optimizations, not flat_fast_math.
8194 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
8195 instead of setting flag_fast_math to 1.
8196 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
8198 * config/i386/i386.c (override_options): Likewise
8199 * config/i386/i386.md: Likewise.
8200 * config/m68k/m68k.md: Likewise.
8201 * config/mips/mips.md: Likewise.
8202 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
8203 (rs6000_generate_compare): Likewise.
8205 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
8207 * Makefile.in: Set RANLIB to @RANLIB@.
8210 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
8212 * fixinc/inclhack.def (djgpp_wchar_h): New test.
8213 * fixinc/fixincl.x: Regenerated.
8215 2001-03-07 Richard Henderson <rth@redhat.com>
8217 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
8219 2001-03-07 Richard Henderson <rth@redhat.com>
8221 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
8222 of block notes and exception handling notes.
8224 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
8225 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
8226 (compile_file): ... here.
8228 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8230 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
8232 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
8233 config.h now. Include libiberty.h to handle alloca.
8235 2001-03-06 Zack Weinberg <zackw@stanford.edu>
8237 * c-parse.in (yylexname): New function, split out of _yylex.
8238 (objc_rid_sans_at): New table.
8239 (init_reswords): Initialize it.
8240 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
8241 retrieving the next token and checking it for significance as
8242 an ObjC keyword or string constant.
8244 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
8245 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
8247 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
8250 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
8252 * config/m68k/m68k.c (const_uint32_operand): Accept any
8253 const_int on a 32-bit host.
8255 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
8257 * objc/objc-act.c (init_objc): Set save_lang_status,
8258 restore_lang_status, and mark_lang_status.
8260 2001-03-06 Krister Walfridsson <cato@df.lth.se>
8262 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
8264 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
8266 * cppinternals.texi: Update.
8268 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8270 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
8271 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
8272 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
8273 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
8274 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
8275 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
8276 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
8277 config/i386/xm-i386.h, config/i860/xm-i860.h,
8278 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
8279 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
8280 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
8281 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
8282 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
8283 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
8284 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
8285 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
8286 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
8287 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8288 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
8289 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
8290 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
8291 match the defaults provided in hwint.h.
8293 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
8294 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
8296 * config.gcc (xm_file): Don't set to files which are deleted.
8298 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
8299 guard this file against these macros being undefined.
8301 2001-03-06 Zack Weinberg <zackw@stanford.edu>
8303 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
8304 and DECL_DEFER_OUTPUT on the decl we create, before calling
8305 rest_of_decl_compilation.
8307 2001-03-06 Zack Weinberg <zackw@stanford.edu>
8309 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
8311 * configure, config.in: Regenerate.
8312 * config.gcc: Remove references to deleted files.
8314 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
8315 genrecog.c, rtl.c: Do not use alloca anywhere.
8317 * Makefile.in, build-make, system.h, config/x-interix,
8318 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
8319 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
8320 config/arc/xm-arc.h, config/arm/xm-arm.h,
8321 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
8322 config/h8300/xm-h8300.h, config/i370/x-oe,
8323 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
8324 config/i386/x-ncr3000, config/i386/x-sco5,
8325 config/i386/xm-dgux.h, config/i860/x-sysv4,
8326 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
8327 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
8328 config/m68k/x-hp320g, config/m69k/x-mot3300,
8329 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
8330 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
8331 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
8332 config/m88k/x-sysv4, config/m88k/x-tekXD88,
8333 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
8334 config/mips/x-iris, config/mips/x-iris3,
8335 config/mips/x-sni-svr4, config/mips/x-sysv,
8336 config/mips/xm-iris6.h, config/mips/xm-mips.h,
8337 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
8338 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
8339 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
8340 config/pa/xm-papro.h, config/romp/xm-romp.h,
8341 config/rs6000/x-aix31, config/rs6000/x-aix41,
8342 config/rs6000/x-beos, config/rs6000/x-lynx,
8343 config/rs6000/x-mach, config/rs6000/x-rs6000,
8344 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
8345 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8346 config/sparc/x-sysv4, config/sparc/xm-linux.h,
8347 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
8348 config/vax/xm-vms.h: Eradicate all references to alloca and
8351 * config/xm-alloca.h, config/clipper/x-clix,
8352 config/i386/xm-sysv4.h, config/i860/x-fx2800,
8353 config/i860/x-sysv3, config/m88k/x-sysv3,
8354 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
8355 (contained only alloca related hacks).
8357 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
8360 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
8362 * invoke.texi: Document __FAST_MATH__.
8364 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8366 * crtstuff.c: Restore include of auto-host.h.
8368 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
8370 Put main() in a separate file, so that the language
8371 front-end can use a different main().
8374 * toplev.c: (main): Rename as toplev_main.
8375 * toplev.h: Declare toplev_main.
8376 * Makefile.in (OBJS): add toplev.o.
8377 (BACKEND): remove toplev.o, add main.o.
8379 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
8381 * cppfiles.c (search_from): Special case the empty string.
8383 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
8385 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
8386 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
8387 strlen or strcpy; we already know the length.
8388 (_cpp_compare_file_date): Similarly.
8389 * cpphash.h (struct cpp_reader): Delete done_initialising.
8390 (CPP_PREV_BUFFER): Delete.
8391 * cppinit.c (cpp_start_read): Don't set done_initialising.
8392 * cpplex.c (parse_string): Guarantee null-termination.
8393 (_cpp_equiv_toklists): Remove.
8394 * cpplib.c (glue_header_name): Null-terminate.
8395 (do_line): Don't leak memory.
8396 * cpplib.h (BT_WEAK): Delete.
8397 * cppmain.c (cb_ident): Strings are now null-terminated.
8399 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
8401 * gcc.c (convert_filename): Append executable suffix
8402 if NO_AUTO_EXE_SUFFIX is not defined.
8403 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
8404 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
8406 2001-03-03 David O'Brien <obrien@FreeBSD.org>
8408 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
8409 * c-parse.gperf, c-gperf.h: Delete.
8410 (c-gperf.h was accidently re-added to the CVS repo in the rev
8411 1.16 commit by tromey)
8413 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
8415 * cpplex.c (_cpp_lex_token): Don't warn about directives in
8416 macro arguments when looking for the '('.
8417 * cppmacro.c (funlike_invocation_p): Set parsing_args to
8418 2 when really parsing arguments; 1 when looking for '('.
8419 Always restore the lexer position.
8421 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
8423 * longlong.h (umul_ppmm): Don't use a multiline string.
8425 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
8427 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
8428 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
8429 t_bool in declaration because pcc can't combine volatile with typedef
8432 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
8434 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
8435 until when it is really needed.
8436 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
8437 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
8438 * i386.md (float?i?f splitter): Don't force source operand to memory
8440 (sse_movdfcc): Fix constraint.
8441 (sse_movdfcc splitter): Handle properly the second alternative.
8443 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
8445 * cpplex.c (parse_string): Unconditionally pedwarn.
8447 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
8450 * cppexp.c (parse_number): Update.
8451 * cpplex.c (parse_string): Pedwarn if multiline string does not
8452 result from a system header's macro.
8453 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
8454 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
8455 for function-like macros too.
8456 * c-lex.c (lex_number): Update.
8458 2001-03-03 Richard Henderson <rth@redhat.com>
8460 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
8462 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
8464 * combine.c (try_combine): If split with mode-changed scratch
8465 register didn't work, try the original mode.
8467 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
8469 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
8470 * config/c4x/c4x.h: Likewise.
8471 * stor-layout.c (compute_record_mode): Likewise.
8472 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
8474 2001-03-02 Zack Weinberg <zackw@stanford.edu>
8476 * configure.in: Kill tm.h. Include the files in the $tm_file
8477 list in all three of config.h, hconfig.h, tconfig.h, after the
8478 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
8479 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
8480 * configure: Regenerate.
8481 * Makefile.in (clean): Don't delete tm.h.
8483 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
8484 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
8485 those are not defined, set SEC and FEC to 0 and 1.
8486 * gcc.texi: Update to match.
8488 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
8489 * config/fp-bit.c, config/m68k/aux-crt2.asm,
8490 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
8491 Include tconfig.h, not tm.h.
8493 * config/xm-lynx.h, config/xm-std32.h,
8494 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
8495 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
8496 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
8497 config/clipper/xm-clix.h, config/convex/xm-convex.h,
8498 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
8499 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
8500 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
8501 config/i386/xm-i386.h, config/i860/xm-i860.h,
8502 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
8503 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
8504 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
8505 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
8506 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
8507 config/pa/xm-linux.h, config/pa/xm-pa.h,
8508 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
8509 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
8510 config/pj/xm-pj.h, config/romp/xm-romp.h,
8511 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
8512 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8513 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
8514 config/v850/xm-v850.h, config/vax/xm-vax.h,
8515 config/we32k/xm-we32k.h:
8517 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
8519 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
8520 config/i370/xm-oe.h: Don't include tm.h. Don't define
8522 * config/vax/xm-vms.h: Don't include tm.h.
8524 * config/xm-lynx.h, config/avr/xm-avr.h,
8525 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
8526 Delete; made empty by above changes.
8527 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
8528 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
8529 Don't include config/xm-lynx.h or tm.h.
8531 * config/xm-gnu.h: Don't include fcntl.h.
8532 * config/sparc/xm-lynx.h: Don't include sys/types.h and
8534 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
8536 2001-03-02 Richard Henderson <rth@redhat.com>
8538 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
8539 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
8541 2001-03-02 Richard Henderson <rth@redhat.com>
8543 * Makefile.in (OBJS): Add dwarf2asm.o.
8544 * dwarf2asm.c, dwarf2asm.h: New files.
8545 * dwarf2out.c (*): Use them.
8546 (size_of_uleb128, size_of_sleb128): Remove.
8547 (output_uleb128, output_sleb128): Remove.
8548 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
8549 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
8550 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
8551 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
8552 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
8553 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
8554 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
8555 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
8556 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
8557 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
8558 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
8559 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
8560 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
8561 (dwarf2out_frame_debug): Remove unused variables.
8562 (output_loc_operands): Don't abort on 8 byte constants if
8563 host integers are wide enough.
8564 (output_symbolic_ref): Remove.
8565 (size_of_die): Don't assume 4 byte host integers.
8566 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
8568 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
8569 something stupid with HOST_WIDE_INT to long truncation.
8570 [CONST_DOUBLE]: Likewise.
8572 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
8573 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
8574 * config/arm/unknown-elf.h: Likewise.
8575 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
8576 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
8577 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
8578 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
8579 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
8580 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
8581 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
8582 (ASM_OUTPUT_DWARF_OFFSET): Remove.
8583 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
8584 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
8585 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
8586 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
8588 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
8590 * cselib.c (hash_rtx): Cast enums to unsigned int.
8592 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
8594 * print-rtl.c (print_rtx): Cast enums to int for comparison.
8595 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
8597 * c-format.c (C_STD_VER): Cast to int for comparisons.
8598 (check_function_format): Cast various enums to int for &.
8599 (maybe_read_dollar_number): Likewise.
8600 (check_format_info): Likewise.
8601 (check_format_info_main): Likewise.
8602 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
8603 (safe_from_p): Likewise.
8604 * varasm.c (const_hash): Cast enum to int for %.
8605 * emit-rtl.c (init_emit_once): Use int loop variable to work around
8606 pcc enum problems with < and ++ operators.
8607 * regclass.c (init_reg_sets_1): Cast enums for comparison.
8608 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
8609 (regclass_init): Change enum class to int to iterate over reg_classes.
8610 * genrecog.c (merge_trees): Cast enums for comparison.
8611 * rtl.h (GET_CODE): Cast to enum rtx_code.
8612 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
8613 (GET_MODE): Cast to enum machine_mode.
8614 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
8615 (GET_NOTE_INSN_NAME): Cast enum to int.
8616 * tree.h (TREE_CODE): Cast to enum tree_code.
8617 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
8618 * timevar.c (timevar_print): Change loop variable id from enum to
8620 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
8621 * config/i386/i386.md: Use PUT_MODE for mode assignment.
8622 * toplev.c (compile_file): Cast enum DFI to int.
8623 (decode_d_option): Likewise.
8625 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
8627 * cppinit.c (append_include_chain): Mark "after" include file name list
8628 as a system directory.
8629 * cpp.texi: Document new behavior.
8631 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
8633 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
8635 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
8637 * cppfiles.c (struct include_file): Update.
8638 (stack_include_file): Use search_from.
8639 (cpp_included, find_include_file): Update.
8640 (cpp_execute_include): Update. ptr->name may not be
8641 null terminated. Use the new search_from member variable
8643 (_cpp_compare_file_date): Similarly.
8644 (search_from): New function, similiar to actual_directory.
8645 (actual_directory): Delete.
8646 (remap_filename): Update. loc->name may not be null terminated.
8647 (struct file_name_list): Rename search_path. Update.
8648 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
8649 search_from and dir.
8650 (struct cpp_reader): Remove actual_dirs.
8651 * cppinit.c (struct cpp_pending): Update for renamed objects.
8652 (append_include_chain, remove_dup_dir, remove_dup_dirs,
8653 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
8654 * cpplib.h (struct cpp_options): Similarly.
8656 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8658 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
8659 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
8660 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
8661 config/clipper/xm-clix.h, config/convex/xm-convex.h,
8662 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
8663 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
8664 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
8665 config/i370/xm-linux.h, config/i370/xm-mvs.h,
8666 config/i370/xm-oe.h, config/i386/xm-aix.h,
8667 config/i386/xm-i386.h, config/i386/xm-osf.h,
8668 config/i860/xm-i860.h, config/i960/xm-i960.h,
8669 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
8670 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
8671 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
8672 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
8673 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
8674 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
8675 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
8676 config/pj/xm-pj.h, config/romp/xm-romp.h,
8677 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
8678 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
8679 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
8680 config/v850/xm-v850.h, config/vax/xm-vax.h,
8681 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
8682 Do not define TRUE or FALSE.
8684 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
8685 empty by above change.
8686 * config.gcc: Remove references to these files.
8688 * configure.in: Detect stdbool.h.
8689 * configure, config.in: Regenerate.
8690 * system.h: Include stddef.h here if available.
8691 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
8692 Then set up a sensible boolean type at the very end.
8694 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
8695 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
8697 * hash.h: Delete 'boolean' typedef and related #undefs.
8699 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
8700 all uses of 'boolean' with 'bool'.
8702 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
8704 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
8705 * cppexp.c (lex): Cast enums for comparison.
8706 * cppinit.c (parse_option): Cast enum for comparison.
8707 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
8708 (cpp_output_token): Likewise.
8709 (cpp_can_paste): Cast enums for comparsion and plus/minus.
8710 (cpp_avoid_paste): Cast enums for minus and comparison.
8712 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8714 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
8715 field to all array elements.
8717 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8719 * cpphash.h (struct cpp_reader): Add print_version field.
8720 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
8721 just set print_version and other flags as appropriate.
8722 (cpp_post_options): Print version here if print_version is set.
8724 * toplev.c (exit_after_options): New flag.
8725 (independent_decode_option): Don't exit here; just set
8727 (main): Exit after calling lang_hooks.post_options if
8728 exit_after_options is true.
8730 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
8731 (merge_include_chains): Adjust comment to match code.
8733 2001-03-01 Zack Weinberg <zackw@stanford.edu>
8735 * stringpool.c (set_identifier): New function.
8736 * tree.h: Prototype it.
8738 * c-parse.in: Kill D_YES. If compiled for objc, call
8739 save_and_forget_protocol_qualifiers from init_reswords.
8740 * objc/objc-act.c (remember_protocol_qualifiers,
8741 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
8742 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
8744 (save_and_forget_protocol_qualifiers): New function.
8745 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
8747 2001-03-01 Diego Novillo <dnovillo@redhat.com>
8749 * c-semantics.c (prune_unused_decls): Return error_mark_node
8750 instead of (tree) 1 to stop traversing the tree chain.
8752 2001-03-01 Bernd Schmidt <bernds@redhat.com>
8754 Fix a problem introduced by Kenner's Feb 18 change.
8755 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
8756 flag_cse_skip_blocks only temporarily, not for ever.
8758 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
8760 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
8761 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
8763 * pa.c (emit_move_sequence): Verify operand0 is a hard register
8764 before determining its register class.
8766 2001-03-01 Bernd Schmidt <bernds@redhat.com>
8768 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
8769 from reg 4 if current_function_calls_setjmp.
8770 (gen_nop_type): New function.
8771 (ia64_emit_nops): New function.
8772 (ia64_reorg): Call it.
8773 (ia64_sched_reorder): Move code that rotates bundles up a bit.
8775 * reload1.c (eliminate_regs_in_insn): Restrict the special case
8776 code not to try to optimize adds with anything but a REG destination.
8778 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
8779 (INSN_PRIORITY_KNOWN): New accessor macro.
8780 * haifa-sched.c (priority): Use it instead of testing priority against
8783 2001-02-28 DJ Delorie <dj@redhat.com>
8785 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
8786 since that doesn't work the way gcc wants on a generic m68k.
8788 2001-02-28 Richard Henderson <rth@redhat.com>
8790 * caller-save.c (save_call_clobbered_regs): Fix typo in
8791 comparison last change.
8793 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
8795 * i386.c (pentium4_cost): New.
8796 (m_PENT4): New macro.
8797 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
8798 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
8799 x86_integer_DFmode_moves, x86_partial_reg_dependency,
8800 x86_memory_mismatch_stall): Add Pentium4
8801 (x86_use_q_reg, x86_use_any_reg): Kill.
8802 (override_options): Add pentium4.
8803 (incdec_operand): Return 0 for pentium4.
8804 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
8805 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
8806 (TARGET_PENTIUM4): Define.
8807 (enum processor_type): Add PROCESSOR_PENTIUM4.
8808 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
8809 * i386.md (attribute "cpu"): Add pentium4.
8810 * invoke.texi (march): Add pentium4.
8812 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
8814 * i386.md (sse_mov?fcc*): New patterns and splitters.
8815 * i386.c (ix86_expand_movcc): Work post-reload; recognize
8816 the SSE based conditional moves.
8818 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
8820 * i386.md (attribute mode): Add "TI".
8821 (movsf_1): Add pxor support; remove constant propagation splitter.
8822 (movdf_integer): Likewise.
8823 (movdf_nointeger): Likewise.
8824 (movxf constant prop splitter): Handle all modes; update for SSE.
8825 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
8826 * i386.c (standard_80387_constant_p): Rewrite.
8827 (standard_sse_constant_p): New.
8828 * i386-protos.h (standard_sse_constant_p): New.
8830 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
8832 * i386.md (sse_setccsf, sse_setccdf): New.
8833 (sse_cmp* patterns): Use '%D' instead of outputtting condition
8835 * i386.c (sse_comparison_operator): Accept the supported unordered
8836 comparses; be ready for fast_math.
8837 (print_operand): Support 'D'.
8839 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
8841 * jump.c (reversed_comparison_code): Kill.
8843 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
8845 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
8848 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
8850 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
8851 add missing '%' in constraints.
8853 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
8855 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
8856 for HOST_BITS_PER_WIDE_INT == 32 too.
8858 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
8860 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
8862 (insert_save, insert_restore): New parameter save_mode.
8863 (init_caller_save): Update initialization of reg_save_code
8864 and reg_restore_code.
8865 (save_call_clobbered_regs): Compute save_modes and update calls to
8866 reg_save_code and reg_restore_code.
8867 (insert_restore): Unsignetize numbers; use save_modes to choose mode
8868 of spill; update use of reg_restore_code.
8869 (insert_save): Likewise.
8870 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
8871 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
8872 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
8874 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
8876 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
8877 noce_try_store_flag_inc, noce_try_store_flag_mask,
8878 noce_try_cmove_arith):
8879 Use reversed_comparison_code instead of reverse_comparison and
8880 can_reverse_comparison_p.
8882 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
8884 * jump.c (reversed_comparison_code_parts): Allow reversal of
8885 unordered compares in -ffast-math mode; reverse ordered compares
8886 for FP even w/o -ffast-math.
8888 2001-02-27 Richard Henderson <rth@redhat.com>
8890 * print-rtl.c (print_rtx) [i]: Don't print field five on
8891 NOTEs other than NOTE_INSN_DELETED_LABEL.
8893 2001-02-27 Zack Weinberg <zackw@stanford.edu>
8895 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
8896 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
8898 2001-02-27 Diego Novillo <dnovillo@redhat.com>
8900 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
8901 even if walk_subtrees is 0.
8902 * c-semantics.c (prune_unused_decls): Return a non-null value to
8903 stop traversing the tree chain.
8905 2001-02-27 DJ Delorie <dj@redhat.com>
8907 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
8908 register, *then* define it as the new CFA.
8910 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
8912 * pa.c (override_options): Promote -fpic to -fPIC.
8913 (legitimize_pic_address): Simplify due to removal of
8914 small PIC as a code generation option.
8915 (secondary_reload_class): Similarly.
8916 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
8917 (PRINT_OPERAND_ADDRESS): Similarly.
8918 * pa.md (various patterns): Similarly.
8919 (small pic lo_sum pattern): Remove.
8921 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
8924 * md.texi (min, max): Document
8926 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
8928 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
8929 TARGET_PARTIAL_REG_DEPENDENCY.
8930 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
8932 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
8934 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
8936 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
8938 * mips.c (mips_make_temp_file): Fix thinko in last change.
8940 2001-02-26 Jason Eckhardt <jle@redhat.com>
8942 * combine.c (known_cond): Do not reverse the condition when
8943 SMAX/UMAX is being considered and the condition is for equality
8946 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
8948 2001-02-26 Philip Blundell <philb@gnu.org>
8950 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
8952 * config/arm/linux-elf.h: Remove historical relics related to
8953 above configurations.
8954 * config/arm/linux-oldld.h: Delete.
8955 * config/arm/linux-elf26.h: Delete.
8957 2001-02-26 Jason Merrill <jason@redhat.com>
8959 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
8961 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
8962 recognize a tentative definition. Lose obsolete code.
8964 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
8965 variables unless necessary, either.
8967 2001-02-25 Richard Henderson <rth@redhat.com>
8969 * ifcvt.c (struct noce_if_info): Add test_bb.
8970 (noce_get_alt_condition): New.
8971 (noce_try_minmax, noce_try_abs): New.
8972 (noce_operand_ok): New.
8973 (noce_process_if_block): Use them.
8974 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
8976 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
8978 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
8981 2001-02-25 Zack Weinberg <zackw@stanford.edu>
8983 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
8984 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
8986 (mips_asm_file_end): Free temp_filename here.
8988 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8990 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
8991 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
8993 * config/i386/i386.md (movstrsi): Handle FAIL case.
8995 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
8997 * cppinit.c (builtin_array): Update.
8998 (init_builtins): Flag builtins to warn if redefined or
8999 undefined. Define __GXX_WEAK as a normal macro.
9000 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
9001 * cpplib.h (NODE_WARN): New flag.
9002 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
9003 Handle __STDC__ as a builtin only on Solaris.
9004 (warn_of_redefinition): Renamed from check_macro_definition.
9005 Reverse sense of test. Always warn if NODE_WARN.
9006 (_cpp_create_definition): Use warn_of_redefinition. Flag
9007 any macro beginning with "__STDC_" to require a mandatory
9008 warning if redefined or undefined.
9010 2001-02-24 Zack Weinberg <zackw@stanford.edu>
9012 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
9013 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
9014 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
9015 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
9016 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
9017 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
9018 Don't define any of:
9019 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
9020 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
9021 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
9022 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
9023 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
9025 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
9026 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
9029 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
9030 Delete now-empty file.
9032 * alpha/vms.h: Define NEED_ATEXIT here...
9033 * alpha/xm-vms.h: ...not here.
9035 * i386/cygwin.h: Don't define PARAMS.
9036 * mips/mips.c: Don't prototype mktemp. Don't define
9037 P_tmpdir. Use make_temp_file to create temporary files.
9038 Don't be clever and delete temporary files early.
9039 * config.gcc: Drop references to deleted files. Don't define
9041 * gcc.texi: Don't mention USE_PROTOTYPES.
9043 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9045 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
9046 (ix86_set_move_mem_attrs_1): Likewise.
9047 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
9048 * config/i386/i386.md (movstrsi): Call it.
9050 2001-02-24 Zack Weinberg <zackw@stanford.edu>
9052 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
9053 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
9054 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
9055 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
9057 (i750a-*-*): Error here if hosting on i750a.
9058 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
9060 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
9061 Remove (empty modulo comments).
9063 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
9064 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
9065 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
9066 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
9067 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
9068 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
9070 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
9071 Remove reference to winnt.h in comment.
9072 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
9074 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9076 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
9077 used to set another biv.
9079 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9081 * tree.h (BLOCK_DEAD): New macro.
9082 (struct tree_block): New flag, dead_flag.
9083 * print-tree.c (print_node, case 'b'): Print missing fields.
9084 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
9085 * function.c (identify_blocks): Enable test for misplaced notes.
9086 (all_blocks): Skip BLOCK_DEAD blocks.
9087 * integrate.c (integrate_decl_tree): Likewise.
9089 * errors.c (internal_error, trim_filename): New functions.
9090 (fancy_abort): Call internal_error.
9091 * errors.h (internal_error, trim_filename): New declarations.
9093 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
9095 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
9097 (EXTRA_CONSTRAINT): Formatting changes.
9099 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9101 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
9103 2001-02-23 Per Bothner <per@bothner.com>
9105 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
9106 so they can be called from java/jvspec.c.
9107 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
9109 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
9111 * i386.c (ix86_frame): New structure.
9112 (ix86_compute_frame_size): Kill.
9113 (ix86_compute_frame_layout): New.
9114 (ix86_save_reg): New.
9115 (ix86_can_use_return_insn_p): Use frame layout stuff.
9116 (ix86_expand_prologue): Likewise.
9117 (ix86_expand_epilogue): Likewise.
9118 (ix86_initial_elimination_offset): Likewise.
9119 (ix86_nsaved_regs): Use ix86_save_reg.
9120 (ix86_emit_save_regs): Likewise.
9122 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
9124 * flow.c (find_sub_basic_blocks): New function.
9125 (split_block): Be ready for basic block introduced by CODE_LABEL.
9126 (commit_one_edge_insertion): Call find_sub_basic_block.
9128 * flow.c (make_edges): Add edge from entry for blocks starting with
9129 label having ALTERNATE_NAME
9131 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
9133 * function.c (epilogue_done): Be ready for first basic block not
9134 containing PROLOGUE_END note.
9135 (reposition_prologue_and_epilogue_notes): Avoid placing
9136 PROLOGUE_END note between BASIC_BLOCK.
9138 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
9140 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
9142 2001-02-21 DJ Delorie <dj@redhat.com>
9144 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
9145 check for current_function_has_nonlocal_goto from 1999-11-12.
9147 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9149 * diagnostic.c (trim_filename): No longer static.
9150 * toplev.h (trim_filename): Declare.
9151 * rtl.c (rtl_check_failed_bounds): Call internal_error.
9152 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
9153 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
9154 (rtvec_check_failed_bounds): Likewise.
9155 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
9157 * convert.c (convert_to_integer): Don't do unsigned unless result or
9158 both inputs are unsigned.
9160 * fold-const.c (fold_convert): Don't call size_int_type_wide if
9163 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
9165 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
9167 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
9169 * Makefile.in (resource.o): Add params.h dependence.
9170 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
9171 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
9172 * resource.c: Add dependence on params.h.
9173 (current_live_regs): Fix explanatory comment.
9174 (find_basic_block): Add new parameter to permit limiting search
9176 (mark_target_live_regs): Add new argument to find_basic_block call.
9177 (incr_ticks_for_insn): Likewise.
9179 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
9181 * diagnostic.c (output_to_stream): Rename to
9182 output_buffer_to_stream. Loses the stream parameter.
9183 (init_output_buffer): Set diagnosic_buffer's stream.
9184 (flush_diagnostic_buffer): Adjust.
9185 (default_print_error_function): Likewise.
9186 (finish_diagnostic): Likewise.
9187 (verbatim): Likewise.
9189 * diagnostic.h (struct output_buffer): Add `stream' field.
9190 (output_buffer_attached_stream): New macro.
9192 2001-02-23 Jakub Jelinek <jakub@redhat.com>
9194 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
9195 check if either operand is divisible by C.
9196 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
9197 If type is signed, consider negative numbers as well.
9199 2001-02-22 Richard Henderson <rth@redhat.com>
9201 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
9202 reach .text instead of gp-relative relocs.
9203 * config/ia64/crtend.asm (.init): Likewise.
9205 2001-02-22 Andreas Jaeger <aj@suse.de>
9207 * extend.texi (C++ Attributes): Fix typo.
9209 2001-02-21 David Mosberger <davidm@hpl.hp.com>
9211 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
9212 functions, drop current_function_args_info.words test.
9213 (ia64_compute_frame_size): Mark syscall_linkage functions as
9214 using eight input registers.
9216 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
9217 Bruce Korb <bkorb@gnu.org>
9219 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
9220 * fixinc/README: Document how to convert sed substitutions
9221 to format style c_fix-es.
9222 * fixinc/fixincl.x: regen
9224 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
9226 * gcc.c: Add comment explaining how to add a command-line option.
9227 Add title to specs language comment.
9229 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
9231 * gcc.c (cc1_options): Add "-param".
9232 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
9233 (option_map): Likewise.
9234 * toplev.c (display_help): Add entry for "--param".
9235 (independent_decode_option): Fix typographical error.
9237 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
9238 Bernd Schmidt <bernds@redhat.com>
9239 Jan Hubicka <jh@suse.cz>
9241 * i386.c (function_arg_advance): Pass SSE arguments in registers.
9242 (function_arg): Likewise.
9244 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
9246 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
9248 2001-02-21 Kazu Hirata <kazu@hxi.com>
9250 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
9254 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
9256 * flow.c (init_propagate_block_info): Canon address and use single_set
9257 for killing dead memory stores.
9259 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
9261 * Makefile.in (reorg.o): Add params.h dependence.
9262 * params.def: Fix typographical error in comment.
9263 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
9264 * params.h: Modify introductory comment.
9265 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
9266 * reorg.c: Add dependence on params.h.
9267 (redundant_insn): Add parameterized throttle for search.
9268 (fill_simple_delay_slots): Add a comment explaining a variable.
9269 Move conditional out of loop, simplifying code.
9270 (fill_eager_delay_slots): Fix typographical error in comment.
9272 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
9274 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
9276 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
9277 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
9279 2001-02-21 Jason Merrill <jason@redhat.com>
9281 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
9282 (struct tree_decl): Add uninlinable bitfield.
9283 * c-decl.c (duplicate_decls): Set it.
9284 * integrate.c (function_cannot_inline_p): Check it.
9286 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
9287 DW_AT_MIPS_linkage_name to abstract methods.
9288 (dwarf2out_abstract_function): Emit class context before calling
9289 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
9290 (gen_subprogram_die): Remove obsolete code.
9291 (gen_member_die): Don't include clones in the member list.
9292 (gen_decl_die): Emit abstract info for clone origin.
9293 * dwarfout.c (output_type): Don't include clones in the member list.
9294 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
9295 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
9296 DECL_ABSTRACT on a function that already has it set.
9298 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
9299 (get_subprogram_die): Pass it in.
9301 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
9303 * flow.c (mark_set_1): Make not_dead unsigned long. For
9304 non-pseudos, use it as a bitmask of the hard regs that
9307 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
9309 * cppfiles.c: Update comments.
9310 (_cpp_read_file): Don't check for NULL filenames any more.
9311 * cppinit.c (cpp_start_read): Don't do canonicalization of
9312 in_fname and out_fname. Use the passed file name exclusively.
9313 (_cpp_handle_options): Don't treat "-" as a command line option,
9314 but as a normal filename.
9315 (_cpp_post_options): Canonicalize in_fname and out_fname.
9316 * cppmain.c (printer_init): Don't check out_fname for NULL.
9317 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
9318 (init_c_lex): Update, and use "" to represent stdin to CPP.
9321 2001-02-20 Will Cohen <wcohen@redhat.com>
9323 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
9324 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
9325 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
9328 2001-02-20 Stan Shebs <shebs@apple.com>
9330 * config/rs6000/rs6000.c (output_cbranch): Output branches
9331 on separate lines instead of using ';' to separate.
9333 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
9335 * cppinit.c (set_lang): Move builtin handling to...
9336 (init_builtins): ...here.
9337 (_cpp_create_reader): Move call to set_lang.
9339 2001-02-20 Mark Mitchell <mark@codesourcery.com>
9341 * stmt.c (expand_return): If an attempt is made to return the
9342 error_mar_node, treat the return like a return without a value.
9344 2001-02-19 Zack Weinberg <zackw@stanford.edu>
9346 * sibcall.c (skip_copy_to_return_value): Call
9347 identify_call_return_value here, and return orig_insn if it
9348 returns zero. Hardret and softret arguments now unnecessary.
9349 (call_ends_block_p): Don't call identify_call_return_value here.
9351 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
9353 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
9354 * ggc.h (ggc_mark_if_gcable): Delete prototype.
9356 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
9358 * pa.c (move_operand): Accept code to load the address of a
9359 symbol out of the DLT as a valid move operand.
9360 (print_operand, case 'A'): New to handle generating a DLT
9361 reference for a LO_SUM expression.
9362 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
9363 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
9365 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
9367 * README, cpp.texi, gcc.texi, version.c: Update version number to
9369 * cpp.1, gcov.1, gcc.1: Regenerate.
9371 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
9373 * cppfiles.c (stack_include_file): Generate dependencies
9374 here, and manage include_count here too.
9375 (PRINT_THIS_DEP): Delete.
9376 (_cpp_execute_include): Do not generate dependencies here,
9377 apart from the case of a missing header. Do not manage
9379 (_cpp_read_file): Leave dependency generation to
9382 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
9384 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
9385 target_cpu_default. Remove dead assignment to
9388 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
9390 * regclass.c (contains_reg_of_mode): Make global.
9391 (init_reg_sets): Remove contains_reg_of_mode; take into account
9392 CLASS_MAX_NREGS when looking for the proper mode.
9393 (dump_regclass): Dump only classes considered for the pseudo.
9394 (regclass): Use contains_reg_of_mode.
9396 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
9398 * gcc.c (do_spec_1): 'n' for printing notices.
9399 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
9401 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
9403 * reg-stack.c (next_flags_user): Use current_block->end
9404 (swap_rtx_condition): Look for next user if flags don't die;
9405 give up on CALL_INSNs; use current_block->end.
9407 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9409 * sibcall.c (call_ends_block_p): New function.
9410 (optimize_sibling_and_tail_recursive_call): Use it.
9412 2001-02-18 Kazu Hirata <kazu@hxi.com>
9414 * config/h8300/h8300.md: Update copyright.
9415 (andsi3): Do not output an extra newline character.
9417 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9419 * toplev.c (note_deferral_of_defined_inlined_function): Argument
9420 FNDECL may be unused.
9422 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
9423 follow jumps after first run.
9424 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
9425 it doesn't change any jumps.
9427 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
9429 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
9430 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
9431 (mostlyclean): Corresponding changes.
9432 * rtlanal.c (hard-reg-set.h): Include.
9433 (rtx_unstable_p): Do not treat the argument pointer specially
9434 if it is not a fixed register.
9435 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
9437 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9439 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
9440 against last real insn in basic block.
9441 Rework to avoid gotos.
9443 * Makefile.in (gcse.o): Now includes ggc.h.
9444 * gcse.c: Include ggc.h.
9445 (want_to_gcse_p): Verify expression can be in SET as valid insn.
9446 (try_replace_reg): Remove warning of uninitialize variable.
9447 (process_insert_insn): Call invalid_insn_p to validate insn.
9448 * recog.c (insn_invalid_p): Now global.
9449 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
9450 * recog.h (insn_invalid_p): New declaration.
9452 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
9454 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
9455 assignments from FP constants since 'Y' output code can't handle it.
9456 (eligible_for_sibcall_delay): Likewise.
9458 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
9459 Call fancy_abort directly, passing args.
9460 (print_rtl_and_abort): Now a macro, like fancy_abort.
9462 * final.c (output_operand_lossage): Use internal_error, not error.
9464 2001-02-18 Shane Nay <shane@agendacomputing.com>
9466 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
9467 structure shift insns.
9469 2001-02-18 Mark Mitchell <mark@codesourcery.com>
9471 * invoke.texi (-fsquangle): Remove documentation.
9472 (-fname-mangling-version): Likewise.
9474 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
9476 * optabs.c (expand_abs): Remove reference to
9477 HAVE_contitional_arithmetic.
9478 * combine.c (simplify_set): Likewise.
9480 2001-02-18 Richard Henderson <rth@redhat.com>
9482 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
9485 2001-02-18 Richard Henderson <rth@redhat.com>
9487 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
9489 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
9491 * reload1.c (reload_cse_simplify_set): Fix typo.
9493 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9495 * diagnostic.c (_fatal_insn): Decrement errorcount.
9497 * invoke.texi (-I): Add note avoiding use for system header files.
9499 * rtl.h (add_clobbers): Remove duplicate declaration.
9500 * recog.h (added_clobbers_hard_reg_p): New declaration.
9501 * genemit.c (struct clobber_pat): New field has_hard_reg.
9502 (gen_insn): Record if added clobbers clobber hard reg.
9503 (gen_split): Avoid unused warning if number of operands is 0.
9504 (output_added_clobbers_hard_reg_p): New function.
9507 2001-02-18 Alan Modra <alan@linuxcare.com.au>
9509 * pa.c (hppa_expand_prologue): Simplify code storing return
9510 pointer. For large (>=8k) frames with a post_store, adjust stack
9511 pointer by 8k-64 first rather than by 64. When testing with
9512 VAL_14_BITS_P, always use the actual value rather than the value
9513 negated. Add blockage to prevent scheduling of spills before
9514 stack frame has been created.
9515 (hppa_expand_epilogue): Simplify code loading return pointer.
9516 Allow a slightly larger range for merge_sp_adjust_with_load case.
9517 When testing with VAL_14_BITS_P, always use the actual value.
9519 * pa.c (pa_adjust_insn_length): Check that block move
9520 pattern is a set before looking at operands.
9522 2001-02-17 Mark Mitchell <mark@codesourcery.com>
9524 * fold-const.c (fold_binary_op_with_conditional_arg): New
9525 function, split out from ...
9527 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
9528 conditional arms that throw exceptions.
9530 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
9533 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
9535 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
9536 define HAVE_DECL_* to 1 to mask potential backup declarations.
9537 * configure: Regenerated.
9539 2001-02-17 Mark Mitchell <mark@codesourcery.com>
9541 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
9543 2001-02-17 Richard Henderson <rth@redhat.com>
9545 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
9546 when replacing a memory load with a register.
9548 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9549 Jan Hubicka <jh@suse.cz>
9551 * recog.c (validate_replace_src_1): New.
9552 (validate_replace_src_data): Likewise.
9553 (validate_replace_src): Use note_uses.
9554 * rtl.h (note_uses): Declare.
9555 * rtlanal.c (note_uses): New.
9557 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
9559 * reg-stack.c (stack_def): Make field reg unsigned.
9560 (remove_regno_note): Unsignetize parameter.
9562 2001-02-16 Jes Sorensen <jes@linuxcare.com>
9564 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
9565 shladd_operand() call.
9567 2001-02-16 Bruce Korb <bkorb@gnu.org>
9568 Rodney Brown <RodneyBrown@mynd.com>
9570 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
9571 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
9572 machine restrictions
9573 * fixinc/fixincl.x: regen
9575 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9577 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
9579 (hash_scan_insn): Clean up calls to hash_scan_set.
9580 (compute_kill_rd): REGNO now unsigned.
9581 (try_replace_reg): Rework to use simplify_replace_rtx.
9582 (cprop_jump, cprop_cc0_jump): Likewise.
9583 (cprop_insn): Call find_reg_equal_equiv_note.
9584 Reflect changes to cprop_jump and cprop_cc0_jump.
9586 * recog.c (validate_replace_src): Replace in operands of
9587 ZERO_EXTRACT in SET_DEST.
9589 * cse.c (new_label_ref): New variable.
9590 (insert): Set it instead of recorded_label_ref.
9591 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
9592 CODE_LABEL for this function, and not already in REG_LABEL note.
9594 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
9596 * resource.c (mark_referenced_resources): Fix typo in introductory
9598 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
9601 2001-02-16 Jason Merrill <jason@redhat.com>
9603 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
9605 (gen_subprogram_die): Don't abort on seeing a second definition if
9606 the previous one was abstract. Don't replace an abstract instance
9607 in the lookup table.
9609 * dwarf2out.c (dwarf2out_abstract_function): Rename from
9610 gen_abstract_function.
9611 * dwarf2out.h: Declare it.
9612 * toplev.c (note_outlining_of_inline_function): New fn.
9613 * toplev.h: Declare it.
9614 * integrate.c (output_inline_function): Call it.
9615 * c-decl.c (duplicate_decls): Call it when redefining an extern
9616 inline. Don't inline the new defn.
9618 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
9620 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9622 * .gdbinit: Rename to gdbinit.in.
9623 * gdbinit.in: New file,
9624 * configure.in: Generate .gdbinit from gdbinit.in.
9625 * configure: Regenerated.
9626 * Makefile.in (distclean): Always remove .gdbinit.
9628 2001-02-16 Jakub Jelinek <jakub@redhat.com>
9630 * objc/objc-act.c (start_class): Register implemented_classes with
9633 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
9635 * cppfiles.c (_cpp_make_system_header): Generate a file
9638 2001-02-15 Jim Meyering <meyering@lucent.com>
9640 * Makefile.in (install-common): Don't depend on installdirs here.
9641 Instead, make each of the lang.install-common targets (e.g.,
9642 c++.install-common in cp/Make-lang.in) depend on it.
9643 (install-driver): Depend on installdirs.
9645 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9647 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
9649 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
9652 2001-02-15 Mark Mitchell <mark@codesourcery.com>
9654 * invoke.texi (--param): Document.
9656 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
9658 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
9660 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
9662 * i386.md (extendsfdf2_2): Fix constraints.
9664 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
9666 * i386.md (fop_df_3 splitter): Fix operand number.
9668 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
9670 * invoke.texi (-mreg-alloc): Nuke.
9671 * i386.c (ix86_reg_alloc_order, regs_allocated,
9672 order_regs_for_local_alloc): Nuke.
9673 (override_options): Kill reg_alloc code.
9674 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
9675 (REG_ALLOC_ORDER): SSE goes before I387.
9676 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
9677 (ix86_reg_alloc_order): Likewise.
9678 * i386-protos.h (ix86_reg_alloc_order): Kill.
9680 2001-02-14 Richard Henderson <rth@redhat.com>
9682 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
9684 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
9686 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
9688 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
9690 * i386-protos.h (ix86_memory_move_cost): Move offline.
9691 * i386.c (ix86_register_move_cost): Compute properly cost of
9692 SSE, MMX and i387 instructions.
9693 (*_cost): Add costs of SSE/MMX moves.
9694 (ix86_memory_move_cost): Move offline from ....; Likewise.
9695 * i386.h (MEMORY_MOVE_COST): .... here;
9696 (struct processor costs): Add new fields to represent costs
9699 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
9701 * regclass.c (init_reg_sets_1): Reinstall the optimization of
9702 move_cost together with Matt Kraai's fix.
9704 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
9706 * Makefile.in (OBJS): Add params.o.
9708 2001-02-14 Richard Henderson <rth@redhat.com>
9709 DJ Delorie <dj@redhat.com>
9711 * jump.c (jump_optimize_1): When we delete a conditional jump
9712 preceeding a non-conditional jump to effectively the same place,
9713 make sure that the combined jump skips any clobber insns between
9716 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
9718 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
9720 2001-02-14 Mark Mitchell <mark@codesourcery.com>
9722 * Makefile.in (toplev.o): Depend on params.h.
9723 (intergate.o): Likewise.
9724 (params.o): New target.
9725 * flags.h (inline_max_insns): Remove.
9726 * integrate.c: Include params.h.
9727 Use MAX_INLINE_INSNS instead of inline_max_insns.
9728 * params.c: New file.
9729 * params.h: Likewise.
9730 * params.def: Likewise.
9731 * toplev.c: Include params.h.
9732 (lang_independent_params): New variable.
9733 (decode_f_option): Use the param machinery instead of setting
9735 (independent_decode_option): Handle "--param name=value".
9736 (main): Register language-independent parameters.
9738 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
9740 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
9742 2001-02-14 Richard Henderson <rth@redhat.com>
9744 * regclass.c (init_reg_sets_1): Revert last two changes.
9746 2001-02-14 Jakub Jelinek <jakub@redhat.com>
9748 * stor-layout.c (is_pending_size, put_pending_size): New functions.
9749 (variable_size): Call put_pending_size.
9750 * tree.h (is_pending_size, put_pending_size): Add prototypes.
9751 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
9752 sizes list, put newly created SAVE_EXPR there as well.
9754 2001-02-14 Jakub Jelinek <jakub@redhat.com>
9756 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
9757 (errata_find_address_regs): load_group has only 2 entries.
9758 (errata_emit_nops): Likewise. shladd is not problematic.
9759 Clear last_group if nop was emitted.
9760 (fixup_errata): load_group has only 2 entries.
9763 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
9765 * c-lex.c (lex_number): Only warn traditionally for U suffix
9766 outside system macros.
9767 * cppexp.c (parse_number): Similarly.
9768 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
9769 * cppmacro.c (struct cpp_macro): New member node.
9770 (parse_args): Only warn about missing rest args if not
9772 (funlike_invocation_p): Similarly for uninvoked funlike macros.
9773 (cpp_sys_objmacro_p): New.
9774 (_cpp_create_definition): Store the node with the macro defn.
9775 Remember if the macro is defined in a system header.
9777 2001-02-13 DJ Delorie <dj@redhat.com>
9779 * configure.in (check_languages): determine languages to check
9780 * Makefile.in (check-c++): alias for check-g++
9781 (check-f77): alias for check-g77
9782 (CHECK_TARGETS): depend on configured languages
9784 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
9786 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
9787 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
9788 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
9789 (sqrtextendsfdf2): Disable for SSE2.
9791 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
9793 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
9794 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
9795 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
9796 (sqrtextendsfdf2): Disable for SSE2.
9798 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
9800 * i386.md (movsfcc_1): Support integer cmove instruction.
9801 (movdfcc_1): Likewise; new splitter.
9803 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
9805 * i386.c (output_fp_compare): Support SSE.
9806 (prepare_fp_compare_args): SSE comparisons always support memory.
9807 * i386.h (TARGET_CMOVE): SSE imply cmove.
9808 * i386.md (cmp?f2): Enable for SSE too.
9809 (cmpfp_i*): Support SSE.
9811 (cmpfp_i_sse_only): New.
9812 (s*, b* fp expanters): Enable for SSE too.
9813 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
9816 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
9818 * regclass.c (init_reg_sets_1): Silence warning.
9820 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
9822 * i386.md (sqrt?f2): Change to expander.
9823 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
9825 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9827 * rtlanal.c (find_reg_equal_equiv_note): New function.
9828 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
9829 (simplify_gen_relational, simplify_replace_rtx): Likewise.
9830 * rtl.h: Add declarations for above functions.
9832 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
9834 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
9836 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
9837 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
9838 * flow.c (mark_regs_live_at_end): Likewise.
9839 (calculate_global_regs_live): Likewise.
9840 * gcse.c (compute_hash_table): Likewise.
9841 (compute_kill_rd): Likewise.
9842 * resource.c (mark_target_live_regs): Likewise.
9843 * rtl.h (INVALID_REGNUM): New macro.
9845 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
9847 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
9849 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
9851 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
9854 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
9856 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
9858 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
9859 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
9860 (fop_sf_1_sse, fop_df_1_sse): New patterns
9861 (fop_*): Disable float_extend and float patterns for SSE compilation.
9862 * i386.c (output_387_binary_op): Support SSE.
9864 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
9866 * i386.md (dummy_extendsfdf2): Support SSE2
9867 (extendsfdf2): Enable if 80387 or SSE2.
9868 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
9869 and no MIX_I387_SSE2
9870 (extendsfdf2_1_sse_only): New pattern.
9871 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
9873 (truncdfsf2_1): Support SSE.
9874 (truncdfsf2_2): Support SSE.
9875 (truncdfsf2_2_1_sse): New pattern.
9876 (fixtruncsfsi2): Always use SSE if available.
9877 (fix_truncsfsi_sse): New pattern.
9878 (fix_truncdfsi_sse): New pattern.
9879 (floatsis?f2): Support SSE.
9880 (floatsidf2_i387): New pattern.
9881 (floatsidf2_sse): Likewise.
9883 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9885 * configure.in: Use "have_gnat" variable, not "gnat".
9886 * configure: Regenerated.
9888 * config/sparc/sparc.c (function_value): Treat all non-record
9889 aggregate types like used to treat UNION_TYPE.
9891 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
9893 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
9894 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
9896 (MASK_MIX_SSE_I387): New.
9897 (TARGET_SSE): SSE2 imply SSE.
9898 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
9899 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
9900 (enum reg_class): Add new classes.
9901 (REG_CLASS_NAMES): Likewise.
9902 (REG_CLASS_CONTENTS): Likewise.
9903 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
9904 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
9905 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
9906 (CLASS_MAX_NREGS): Use new macros.
9907 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
9908 * i386.md (pushsf, movsf): Support SSE.
9909 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
9910 splitters to use ANY_FP_REGNO_P.
9911 (movdf_nointeger, movdf_integer): Likewise.
9913 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
9915 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
9916 (try_combine): Use it.
9918 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
9920 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
9921 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
9922 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
9923 (REGISTER_MOVE_COST): Likewise.
9924 * i386-protos.h (ix86_secondary_memory_needed,
9925 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
9926 * i386.c (ix86_secondary_memory_needed,
9927 ix86_preferred_reload_class, ix86_register_move_cost): New function.
9929 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
9931 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
9932 (HARD_REGNO_MODE_OK): Move offline to ....
9933 * i386.c (ix86_hard_regno_mode_ok) ... here;
9934 refuse all incorrect modes.
9935 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
9937 2001-02-13 Richard Henderson <rth@redhat.com>
9939 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
9940 entire operator; replicate that and match_dup the operands.
9941 (cmp_ccx_arith_op_set): Likewise.
9942 (cmp_cc_arith_op_not_set): Likewise.
9943 (cmp_ccx_arith_op_not_set): Likewise.
9945 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
9947 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
9949 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
9951 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
9952 (TARGET_NO_BITFIELD_WORD): New macro.
9953 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
9954 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
9956 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9958 * cselib.c: New file, from simplify-rtx.c.
9959 * simplify-rtx.c: Remove cselib parts.
9960 * Makefile.in: Add cselib.o.
9962 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
9964 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
9965 (setup_incoming_varargs): Remove warning.
9967 * config/rs6000/rs6000.c (validate_condition_mode): When
9968 flag_fast_math, allow floating-point conditionals to be reversed.
9969 (rs6000_generate_compare): When flag_fast_math, don't generate
9970 cror operations for FP conditionals.
9972 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
9974 (ASM_SPEC): Likewise.
9975 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
9976 (CC1_SPEC): Likewise.
9977 (LINK_TARGET_SPEC): Likewise.
9978 (CPP_ENDIAN_SPEC): Likewise.
9979 * Makefile.in (check-consistency): New target.
9981 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
9983 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
9984 "return type defaults" warning for functions with return type
9986 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
9987 function declarations by default rather than only when pedantic.
9989 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
9991 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
9994 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
9996 * extend.texi (Deprecated): Deprecate new initializer lists.
9998 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
10000 * mkdeps.c (deps_add_default_target): Robustify. Add
10001 basename component only.
10002 * cpp.texi (-M): Describe how default target is generated.
10003 * invoke.texi (-M): Likewise.
10005 2001-02-12 Kazu Hirata <kazu@hxi.com>
10007 * toplev.c (push_float_handler): Remove.
10008 (pop_float_handler): Remove.
10009 * toplev.h: Remove prototypes for the above functions.
10011 2001-02-12 Jakub Jelinek <jakub@redhat.com>
10013 * c-common.c (constant_fits_type_p): New function.
10014 (convert_and_check): Use it.
10016 2001-02-11 Mark Mitchell <mark@codesourcery.com>
10018 * Makefile.in (GXX_ABI_FLAG): Don't define.
10019 * configure.in (--enable-new-gxx-abi): Remove option.
10020 * config.in: Regenerated.
10021 * configure: Likewise.
10023 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
10025 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
10027 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
10028 regular basic block, and arrange for all edges into it to switch
10031 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10033 * Makefile.in (distclean): Do not remove .gdbinit.
10035 2001-02-11 Mark Mitchell <mark@codesourcery.com>
10037 * Makefile.in (gcc.o): Fix typos.
10038 (protize.o): Likewise.
10039 (unprotoize.o): Likewise.
10041 2001-02-11 Richard Henderson <rth@redhat.com>
10043 * tree.c (build1): Check for null operand in last change.
10045 2001-02-11 Richard Henderson <rth@redhat.com>
10047 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
10048 (fold): Don't assume a constant isn't foldable.
10049 * tree.c (build): Set TREE_CONSTANT for an expression with no
10050 side-effects and constant operands.
10051 (build1): Likewise.
10053 2001-02-10 Richard Henderson <rth@redhat.com>
10055 * jump.c (squeeze_notes): Revert 2000-05-12 change.
10057 2001-02-10 Anthony Green <green@redhat.com>
10059 * cpp.texi (Standard Predefined): Add documentation for
10062 * c-common.c (combine_strings): Improve warning message.
10064 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
10066 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
10068 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
10070 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
10072 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
10075 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
10077 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
10080 2001-02-09 Nick Clifton <nickc@redhat.com>
10082 * config/arm/arm.md: Change output contraint on post inc
10083 load/store multiple patterns to be a read/write contraint.
10085 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
10087 * gcc.c (cpp_options): Delete .d files on error. Don't delete
10088 .o files when using the -M options.
10090 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10091 David Edelsohn <edelsohn@gnu.org>
10093 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
10094 handle DImode constants. Use one TOC entry for SImode and smaller
10095 constants, aligned properly.
10097 2001-02-08 Jason Merrill <jason@redhat.com>
10099 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
10100 about the SP adjustment for saving the static chain pointer.
10101 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
10102 offset when setting a temporary CFA register.
10104 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
10106 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
10107 powerpc-*-chorusos* .
10108 * config/rs6000/chorus.h : New file.
10109 * config/i386/chorus.h : New file.
10110 * config/sparc/chorus.h : New file.
10111 * config/sparc/t-chorus-elf : New file.
10113 2001-02-08 David Edelsohn <edelsohn@gnu.org>
10115 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
10116 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
10117 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
10118 (__WCHAR_TYPE__): Correct macro name.
10120 2001-02-08 Richard Henderson <rth@redhat.com>
10122 * config/i386/i386.c (ix86_frame_pointer_required): New.
10123 (ix86_setup_frame_addresses): New.
10124 (struct machine_funciton): Add accesses_prev_frame.
10125 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
10126 ix86_frame_pointer_required.
10127 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
10128 (SETUP_FRAME_ADDRESSES): New.
10129 * config/i386/i386-protos.h: Update.
10130 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
10131 from FRAME_POINTER_REQUIRED.
10132 * config/i386/svr3gas.h: Likewise.
10133 * config/i386/sysv3.h: Likewise.
10134 * config/i386/v3gas.h: Likewise.
10136 2001-02-08 Richard Henderson <rth@redhat.com>
10138 * config/sparc/sparc.c (function_arg_record_value_3): Fix
10139 calculation of the number of integer registers required.
10140 (function_arg_record_value): Likewise.
10142 2001-02-08 Jason Merrill <jason@redhat.com>
10144 * diagnostic.c (internal_error): Say "confused" after 1 error, not
10145 two. Print file and line with "confused" message.
10147 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
10149 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10151 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
10153 2001-02-08 Bernd Schmidt <bernds@redhat.com>
10155 * final.c (cleanup_subreg_operands): The address of a MEM can
10158 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
10161 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
10163 * gcc.texi (Incompatibilities): Update documentation of
10164 preprocessing numbers.
10166 2001-02-07 Jakub Jelinek <jakub@redhat.com>
10168 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
10170 2001-02-07 Mark Mitchell <mark@codesourcery.com>
10172 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
10174 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
10175 * gcc.c (struct compiler): Add cpp_spec field.
10176 (input_file_compiler): New variable.
10177 (do_spec_1): Allow a particular compiler to handle `%C'
10179 (main): Store the current compiler in input_file_compiler.
10180 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
10182 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
10184 * cpphash.h (struct spec_nodes): Add n_true and n_false.
10185 * cppinit.c (cpp_create_reader): Initialize them.
10186 (append_include_chain): cxx_aware arg might be unused.
10187 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
10188 keywords and give them their phase 7 meaning. Pedwarn about
10189 this unless '__bool_true_false_are_defined' is defined.
10191 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
10193 * lcm.c (optimize_mode_switching): Emit mode_set before the
10194 JUMP_INSN of an abnormal edge.
10196 2001-02-07 Bernd Schmidt <bernds@redhat.com>
10198 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
10199 a scheduling barrier at the end.
10201 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
10203 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
10205 * config/sh/sh.md (reload_outsf): Removed.
10206 (movsf_ie): Introduce constraints for FPUL loads and stores.
10207 (reload_insf): Broaden the output constraint.
10209 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
10211 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
10212 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
10214 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
10216 * final.c: Revert my previous changes.
10217 * output.h: Make profile_label_no extern.
10218 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
10219 for generating label.
10221 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
10223 * config/i386/djgpp.h: Add comments about standard paths.
10224 (MD_EXEC_PREFIX): Undefine before defining.
10225 (MD_STARTFILE_PREFIX): New.
10227 2001-01-30 Bruce Korb <bkorb@gnu.org>
10229 fixinc/fixincl.c(process): Emit error message only if appropriate :)
10230 (load_file): do not rely on load_file_data() to close file pointer
10231 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
10232 fixinc/inclhack.def(irix_limits_const): add test_text
10234 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
10236 * cppexp.c (parse_defined): Improve diagnostics for invalid
10239 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
10241 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
10243 2001-02-06 Mark Mitchell <mark@codesourcery.com>
10245 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
10246 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
10247 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
10248 (rs6000_output_symbol_ref): New function.
10249 (output_toc): Use VTABLE_NAME_P.
10251 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10253 * print-tree.c (print_node, case PARM_DECL):
10254 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
10256 * stor-layout.c (reference_types_internal): New variable.
10257 (internal_reference_types): New function.
10258 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
10259 * tree.h (internal_reference_types): New declaration.
10261 * cse.c (find_best_addr): Fix typo in computing cost.
10263 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10265 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
10266 and this is the sum of a pointer and a constant, we know the result
10268 (num_sign_bit_copies, case PLUS): Likewise.
10269 * explow.c (convert_memory_address): Remove opposite SUBREG.
10270 * function.c (instantiate_new_reg): New function (from common code).
10271 (instantiate_virtual_regs_1): Call it.
10272 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
10273 if pointers sign- or zero-extend.
10274 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
10275 If pointers extend unsigned, use inside of SUBREG.
10276 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
10278 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
10280 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
10281 subdir of gcc_gxx_include_dir.
10282 (gcc_gxx_target_include_dir): Remove.
10284 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
10286 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
10287 (dwarf2out_frame_debug_expr): Revise introductory comments to add
10288 a high-level description.
10290 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
10292 * final.c: Move the declaration of profile_label_no to ...
10293 * output.h: ... here.
10294 * function.c (expand_function_start): Call PROFILE_HOOK.
10295 * config/rs6000/aix.h: Define PROFILE_HOOK.
10296 * config/rs6000/rs6000-protos.h: output_profile_hook new.
10297 * config/rs6000/rs6000.c (output_profile_hook): Define.
10298 (output_prolog): Do nothing for ABI_AIX as it is taken care by
10299 output_profile_hook.
10300 tm.texi : Explain new macro PROFILE_HOOK.
10302 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
10304 * extend.texi (Extended Asm): Do not say that semicolon is always
10305 a valid line-breaking character for GNU assemblers. Use
10306 newline-tab as the most commonly supported syntax. Use
10307 newline-tab rather than semicolon in multi-insn examples.
10309 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10311 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
10313 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10314 David Edelsohn <edelsohn@gnu.org>
10316 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
10317 code for AIX, even without flag_pic.
10319 2001-02-05 Jakub Jelinek <jakub@redhat.com>
10321 * c-typeck.c (common_type): push and pop binding level around
10322 calling common_type on function parameters.
10324 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
10326 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
10328 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10330 * config/mips/mips.c (override_options): Fix typo in last change.
10331 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
10332 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
10334 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
10336 * invoke.texi (-fdump-class-layout): Document.
10337 (-fdump-translation-unit): Use `=' as filename separator.
10339 2001-02-05 Mark Mitchell <mark@codesourcery.com>
10341 * Makefile.in (s-mlib): Don't build multilibs if
10342 --disable-multilib.
10343 (DRIVER_DEFINES): Adjust accordingly.
10345 (protoize.o): Likewise.
10346 (unprotoize.o): Likewise.
10347 * configure.in: Recognize --enable-multilib.
10349 2001-02-04 Mark Mitchell <mark@codesourcery.com>
10351 * Makefile.in (DRIVER_DEFINES): Fix quoting.
10353 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
10354 * configure.in: Remove --enable-libstdcxx_v3 support.
10355 * configure: Regenerated.
10357 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10359 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
10360 Call abort instead of fatal.
10361 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
10362 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
10363 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
10364 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
10365 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
10366 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
10368 * diagnostic.h (set_internal_error_function): Renamed.
10369 * toplev.h (internal_error): Renamed from fatal.
10370 (pfatal_with_name): Deleted.
10371 (fatal_io_error): Now has printf-style arguments.
10372 * diagnostic.c (pfatal_with_name): Deleted.
10373 (fatal_io_error): Rework to have args in printf-style.
10374 (set_internal_error_function): Renamed from set_fatal_function.
10375 (internal_error): Renamed from fatal.
10376 (error_recursion, fancy_abort): Call internal_error instead of fatal.
10377 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
10378 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
10379 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
10380 * flow.c (verify_flow_info): Likewise.
10381 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
10382 * config/mips/mips.c (save_restore_insns): Likewise.
10384 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
10385 * flow.c (verify_flow_info): Likewise.
10386 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
10387 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
10388 (avr_normalize_condition): Likewise.
10389 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
10390 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
10391 (limit_reload_class, double_reg_to_memory): Likewise.
10392 (print_operand_address, emit_1600_code_shift): Likewise.
10393 (gen_tst_reg, gen_compare_reg): Likewise.
10394 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
10395 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
10397 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
10399 * c-parse.in (methoddef): Call fatal_error instead of fatal.
10400 * objc/objc-act.c (build_ivar_chain): Likewise.
10401 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
10403 * graph.c (clean_graph_dump_file): Likewise.
10404 * profile.c (init_branch_prob): Likewise.
10405 * objc/objc-act.c (objc_init): Likewise.
10407 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
10408 * config/avr/avr.c (avr_override_options): Likewise.
10409 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
10410 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
10411 * config/h8300/h8300.c (h8300_init_once): Likewise.
10412 * config/mips/mips.c (override_options): Likewise.
10413 * config/i386/i386.c (override_options): Likewise, rework.
10414 * config/m68k/m68k.c (override_options): Likewise.
10416 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
10418 * config/mips/mips.c (print_operand): Likewise.
10419 * hash.c (hash_allocate): Don't check for failure returns from
10420 obstack functions that can't fail.
10421 (hash_table_init_n, hash_table_init): Likewise; also now return void.
10422 * hash.h (hash_table_init_n, hash_table_init): Now return void.
10423 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
10424 (get_object_reference): Likewise.
10426 2001-02-04 Nick Clifton <nickc@redhat.com>
10428 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
10429 StrongARM1110, 10TDMI, and 1020T.
10431 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10433 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
10435 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
10437 * config/sh/sh.md (movdf load split): Pass register number to
10438 FP_OR_XD_REGISTER_P.
10440 2001-02-04 Mark Mitchell <mark@codesourcery.com>
10442 * cppinit.c (BC): New macro.
10443 (builtin_array): Add __GXX_WEAK__.
10444 * cpplib.h (builtin_type): Add BT_WEAK.
10445 * cppmacro.c (builtin_macro): Handle BT_WEAK.
10446 * defaults.h (SUPPORTS_ONE_ONLY): Define.
10447 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
10449 2001-02-03 Jakub Jelinek <jakub@redhat.com>
10451 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
10453 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
10455 * cpphash.h: Rename _ALIGN POOL_ALIGN.
10456 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
10458 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
10460 * cpphash.h: Rename ALIGN _ALIGN.
10461 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
10463 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
10465 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
10466 compilation environment.
10467 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
10468 control over location of cygwin includes and libs.
10470 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
10472 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
10474 2001-02-02 lars brinkhoff <lars@nocrew.org>
10476 * md.texi (Standard Names): remove reference to spur.md.
10478 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
10480 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
10481 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
10482 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
10483 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
10484 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
10486 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10488 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
10489 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
10490 number before reload.
10491 (c4x_adjust_cost): Return zero before reload.
10492 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
10493 split before reload.
10495 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10497 * c4x.c (c4x_hard_regno_rename_ok): New.
10498 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
10499 * c4x.h (HARD_REGNO_RENAME_OK): Define.
10501 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10503 * diagnostic.h: Add missing "extern" in all declarations.
10505 2001-02-02 Alex Samuel <samuel@codesourcery.com>
10507 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
10508 as for gcc_gxx_include_dir.
10510 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
10512 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
10514 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
10516 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
10517 label before alignment to be used as the braf base address.
10518 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
10520 (casesi_jump_2): Require at least TARGET_SH2.
10522 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
10523 truncation to 32-bit doubles on -m3e and -m4-single-only.
10525 2001-02-02 Mark Mitchell <mark@codesourcery.com>
10527 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
10528 the default when building a shared object.
10529 (init_spec): Use it.
10530 * testsuite/lib/g++.exp: Include the directory where libgcc
10531 is located to the LD_LIBRARY_PATH list.
10532 * invoke.texi (-shared-libgcc): Document the cases in which
10533 GCC defaults to using the shared libgcc.
10535 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
10537 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
10538 unsigned is wide enough.
10539 (BITS_PER_SI): New.
10540 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
10541 (si_to_float): Likewise.
10542 (float_to_si, float_to_usi): Use BITS_PER_SI.
10544 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
10546 * dwarf2out.c: Added explanation of abbreviations.
10547 (def_cfa_1): Added comments listing DWARF2 instructions.
10548 (cfa_temp_reg): Removed in favor of cfa_temp.
10549 (cfa_temp_value): Removed in favor of cfa_temp.
10550 (cfa_temp): New global variable.
10551 (dwarf2out_frame_debug_expr): Added extensive introductory
10552 comments explaining the function's transformations. Revised to
10553 use cfa_temp. Added some rtx checking. Generalize IOR case.
10554 (dwarf2out_frame_debug): Revised to use cfa_temp.
10555 (output_aranges): Cast as "unsigned" to avoid warning.
10556 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
10557 explain which instructions must be marked.
10559 2001-02-01 Richard Henderson <rth@redhat.com>
10561 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
10564 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
10566 * config/sh/crt1.asm (main_k): Modified so that start calls
10567 ___setup_argv_and_call_main.
10569 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
10571 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
10572 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
10573 and AVOID_LPASTE is cleared on meeting an unescaped newline.
10574 * cppmacro.c (builtin_macro): Set builtin flags here.
10575 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
10576 (replace_args): Clarify intent.
10577 (cpp_get_token): Macro expansion tokens get the saved flags.
10579 * cppmain.c (scan_buffer): Remove now-redundant print.printed
10582 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
10584 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
10587 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10589 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
10590 returns Pmode pseudo, but we need ptr_mode.
10591 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
10592 Remove bogus conversions; use HOST_WIDE_INT for size.
10593 Don't use TARGET if wrong mode.
10595 * config/i386/i386.c (ix86_compute_frame_size): Allow
10596 stack_alignment_needed to be non-default even if size is zero.
10598 2001-01-31 Alan Modra <alan@linuxcare.com.au>
10600 * pa.c (hppa_init_pic_save): New function.
10601 * pa.h (hppa_init_pic_save): Declare.
10602 * pa.md (call, call_value, sibcall, sibcall_value): Use
10603 the above instead of duplicated code.
10605 * pa.c (hppa_encode_label): Correct size of alloca buffer
10606 so we don't overrun it. Correct leading `*' case.
10607 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
10608 need to handle `*@'.
10609 (FUNCTION_NAME_P): Likewise.
10611 2001-01-31 Richard Henderson <rth@redhat.com>
10613 * config.gcc (alpha-osf5): Use float-i128.h.
10615 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
10616 * config/float-i32.h: Likewise.
10617 * config/float-i64.h: Likewise.
10618 * config/float-sh.h: Likewise.
10619 * config/float-sparc.h: Likewise.
10621 2001-01-31 DJ Delorie <dj@redhat.com>
10623 * expmed.c (extract_bit_field): allow non-integral modes if we
10624 want to extract a whole register from itself.
10626 2001-01-31 Jakub Jelinek <jakub@redhat.com>
10628 * c-typeck.c (set_init_index): If first is equal to last, assume as
10629 if it was not a range at all.
10631 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
10633 * config/fp-bit.c: Include tm.h.
10634 (float_to_si): Don't assume SImode is 32-bits wide.
10635 (float_to_usi): Likewise.
10637 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
10639 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
10641 (typename): Call pending_xref_error after parsing typed_typespecs.
10642 * c-decl.c (lookup_tag): Give error immediately rather than
10643 leaving it pending if the tag of the wrong type is in the same
10645 (xref_tag): Don't pedwarn for forward declarations of enum types
10647 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
10650 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
10652 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
10654 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
10656 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
10657 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
10659 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
10661 * cpphash.h (struct cpp_reader): New saved_flags.
10662 * cppmacro.c (cpp_get_token): Use saved_flags to remember
10663 to avoid a paste after a pasted token.
10665 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
10667 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
10668 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
10669 Wtype_MIN instead of LONG_MIN.
10671 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
10673 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
10675 * fixinc/fixincl.x: Regenerated.
10676 * fixinc/inclhack.def (irix_limits_const): New definition to
10677 convert "const" to "__const" in limits.h.
10679 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
10681 * fixinc/genfixes (AG): Fix "autogen4" thinko.
10683 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
10685 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
10686 when register dies in the insn.
10688 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
10690 * diagnostic.c (fatal): Fix word wrap.
10692 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
10694 * combine.c (try_combine): Fix SUBREG setting for
10695 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
10697 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10699 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
10702 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
10704 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
10706 * toplev.c (decode_W_option): Update warn_larger_than
10707 unconditionally for each processed switch.
10709 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
10711 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
10713 (hppa_expand_prologue): Delete code to save pic offset table register
10714 in the function prologue.
10715 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
10716 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
10717 table register at the beginning of the function after the prologue.
10719 2001-01-29 lars brinkhoff <lars@nocrew.org>
10721 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
10723 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
10724 Jeff Law <law@redhat.com>
10726 * pa.md (return): Revise comment for trivial return.
10727 (return_internal): Non-trivial return pattern for non-PIC code.
10728 (return_internal_pic): Non-trivial return pattern for PIC code.
10729 It uses the PIC register to ensure it is restored after
10731 (epilogue): Generate appropriate return for PIC and non-PIC code.
10733 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
10735 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
10737 2001-01-29 DJ Delorie <dj@redhat.com>
10739 * combine.c (if_then_else_cond): Pass the correct mode to
10740 operand_subword() for constants.
10742 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
10744 * config/i386/cygwin.h: Add w32api to include search. Search different
10745 directories in a cross-build environment.
10747 2001-11-29 Tim Josling <tej@melbpc.org.au>
10749 * tree.h (TYPE_STUB_DECL): Add documentation.
10751 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
10753 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
10754 (sdbout_field_types): Likwise. Fix use of host_integerp.
10756 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
10758 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
10761 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
10763 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
10764 to use flag_gnu_linker.
10766 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
10768 * cpplib.c (T_BAD_DIRECTIVE): Remove.
10769 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
10771 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
10773 * tree.c, tree.h (build_parse_node): Remove; was identical to
10775 * c-lang.c (start_cdtor), objc/objc-act.c
10776 (build_module_descriptor): Use build_nt instead of
10779 2001-01-29 Jakub Jelinek <jakub@redhat.com>
10781 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
10782 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
10783 not have any upper bits set.
10785 2001-01-29 Phil Edwards <pme@sources.redhat.com>
10787 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
10789 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10791 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
10793 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
10795 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
10796 (integer_minus_one_node): Define.
10798 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
10800 * Makefile.in (bootstrap2-lean): Fix typo.
10802 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
10804 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
10805 : Don't set fe_value.
10806 * cpplib.h (AVOID_LPASTE): New flag.
10807 (struct cpp_hashnode): Remove fe_value.
10808 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
10809 * cppmacro.c (builtin_macro): Don't set flags here.
10810 (replace_args): Set AVOID_LPASTE flag on first token of an
10811 argument, and the token following it.
10812 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
10813 macro expansion, and on the token following it. Do it for
10815 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
10817 2001-01-27 Richard Henderson <rth@redhat.com>
10819 * config/alpha/t-ieee: Remove multilibbing.
10820 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
10822 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10824 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
10826 * Makefile.in: Remove all dependencies on defaults.h.
10827 * builtins.c: Don't include defaults.h.
10828 * c-common.c: Likewise.
10829 * c-decl.c: Likewise.
10830 * c-pragma.c: Likewise.
10831 * c-typeck.c: Likewise.
10832 * combine.c: Likewise.
10833 * i386.c: Likewise.
10834 * frame-ia64.c: Likewise.
10835 * cppexp.c: Likewise.
10836 * crtstuff.c: Likewise.
10837 * dbxout.c: Likewise.
10838 * dwarf2out.c: Likewise.
10839 * dwarfout.c: Likewise.
10840 * emit-rtl.c: Likewise.
10841 * except.c: Likewise.
10842 * expr.c: Likewise.
10843 * final.c: Likewise.
10844 * frame-dwarf2.c: Likewise.
10845 * libgcc2.c: Likewise.
10846 * optabs.c: Likewise.
10847 * profile.c: Likewise.
10848 * sdbout.c: Likewise.
10849 * toplev.c: Likewise.
10850 * tradcif.y: Likewise.
10851 * tree.c: Likewise.
10852 * varasm.c: Likewise.
10854 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10856 * builtins.c (expand_builtin_fputs): Use size_one_node when
10857 transforming into fwrite.
10859 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
10861 * extend.texi (Attribute Syntax): New section.
10863 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
10865 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
10866 they didn't need fixing.
10868 2001-01-27 Janis Johnson <janis@us.ibm.com>
10870 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
10872 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
10873 to remove macro definitions that are duplicated from elfos.h.
10875 2001-01-27 Richard Henderson <rth@redhat.com>
10877 * config/i386/sco5gas.h: Move ...
10878 * config/usegas.h: ... here.
10879 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
10881 2001-01-27 Jakub Jelinek <jakub@redhat.com>
10883 * c-typeck.c (struct constructor_stack): Add range_stack member.
10884 (really_start_incremental_init): Clear it.
10885 (push_init_level): Save constructor_range_stack and clear it if
10886 pushing explicit braces.
10887 (pop_init_level): abort if constructor_range_stack is non-zero at
10888 explicit closing brace. Restore saved constructor_range_stack if
10891 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
10893 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
10894 into register was forced into memory.
10896 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
10898 * Makefile.in: Remove uses of + before $(MAKE).
10900 2001-01-26 Richard Henderson <rth@redhat.com>
10902 * stmt.c (cost_table): Remove.
10903 (COST_TABLE, cost_table_initialized): New.
10904 (estimate_case_costs): Use the later instead of the former.
10905 (balance_case_nodes): Likewise.
10907 2001-01-26 Richard Henderson <rth@redhat.com>
10909 * alias.c (objects_must_conflict_p): Read-only slots may not
10910 conflict despite having the same type.
10912 2001-01-27 Michael Hayes <mhayes@redhat.com>
10914 * loop.c (loop_giv_reduce_benefit): Copy mode size into
10916 (check_ext_dependant_givs): Initialise u_start_val and
10918 (load_mems): Make last_max_reg unsigned.
10919 (try_swap_copy_prop): Use INSN_P and initialise set.
10921 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
10923 * README.AVR : Removed.
10925 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
10927 * pa-64.h (text_section): Remove declaration.
10929 * pa.md (return_internal): Remove mode on PIC register use.
10931 2001-01-25 lars brinkhoff <lars@nocrew.org>
10933 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
10934 ASM_CLOSE_PAREN): fix typos.
10936 2001-01-25 Mark Mitchell <mark@codesourcery.com>
10938 * acconfig.h: Define `const' to the empty string if neither
10939 __STDC__ nor __cplusplus is defined.
10940 * config.in: Regenerated.
10942 2001-01-25 David Edelsohn <edelsohn@gnu.org>
10944 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
10945 * collect2.c (main): Delete importf. Add ".obj" file extension.
10946 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
10947 (aix_std_libs): Add additional AIX libraries to skip.
10948 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
10949 * config/rs6000/aix51.h: New file.
10951 2001-01-25 Michael Hayes <mhayes@redhat.com>
10953 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
10954 (loop_insn_emit_before): No longer static.
10955 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
10956 (loop_givs_rescan, load_mems): Likewise.
10957 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
10958 (maybe_eliminate_biv_1):
10959 (move_movables): Replace emit_call_insn_before with
10960 loop_call_insn_hoist.
10961 * loop.h (loop_insn_emit_before): Add.
10962 * unroll.c (copy_loop_body): Replace emit_insn_before with
10963 loop_insn_emit_before.
10965 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
10967 * diagnostic.c (fatal): Request preprocessed source.
10969 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
10971 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
10972 olddecl has argument types and newdecl has none, use the argument
10973 types from olddecl.
10975 2001-01-24 Ulrich Drepper <drepper@redhat.com>
10977 * dwarf2out.c (prefix_of): New function. Determine longest common
10978 prefix of the two arguments. The units are whole path components.
10979 (output_file_names): When adding a new directory find the one entry
10980 with the longest common prefix already in the list. Artificially
10981 generate entry if there is none for this prefix.
10982 Fix test to check whether the zeroth directory entry is used.
10984 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
10986 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
10987 Changed all callers. Take it into account when deciding if a
10988 previously loaded value matches.
10990 2001-01-24 Richard Henderson <rth@redhat.com>
10992 * reload.c (find_reloads_subreg_address): Fail the substitution
10993 if the resulting address is insufficiently aligned.
10995 2001-01-24 DJ Delorie <dj@redhat.com>
10997 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
10998 check the original operand's mode also.
10999 * simplify-rtx.c (simplify_ternary_operation): Ditto.
11001 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
11003 * c-parse.in (cast_expr): Move compound literals from here ...
11004 (primary): ... to here. Use standard terminology "compound
11005 literal" instead of "constructor expression".
11007 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
11009 * gcc.1, cpp.1: Regenerate.
11011 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
11013 * calls.c (emit_library_call_value_1): Memory slot for
11014 pass-by-reference argument should have the mode of the argument,
11015 not of the pointer to it.
11017 2001-01-24 Tom Tromey <tromey@redhat.com>
11019 * gcc.texi (G++ and GCC): Mention gcj manual.
11020 (Standards): Link to section of manual mentioning gcj/Java
11023 2001-01-24 Jakub Jelinek <jakub@redhat.com>
11025 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
11026 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
11027 * tradcpp.c (main): Add -imacros or -include'd dependencies
11029 * cpp.texi (-M, -MM): Document -M -include behaviour.
11031 2001-01-24 Roger Collins <roger@ProProject.com>
11033 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
11035 2001-01-24 Will Cohen <wcohen@redhat.com>
11037 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
11038 whether registers are 32 bits or 64 bits in size.
11040 2001-01-24 Ben Elliston <bje@redhat.com>
11042 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
11044 2001-01-24 Richard Henderson <rth@redhat.com>
11046 * config/alpha/alpha.md (builtin_longjmp_internal): New.
11047 (builtin_longjmp): Use it instead of emit_indirect_jump.
11049 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
11051 * bb-reorder.c (make_reorder_chain_1): Handle case where
11052 jump edge goes to the same block as the fallthru edge.
11054 2001-01-23 Jim Wilson <wilson@redhat.com>
11056 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
11057 * frame.h (__ia64_personality_v1): Add prototype.
11058 * libgcc2.c (ia64_throw_helper): Change personality declaration to
11059 prototype form. Add void * cast to first argument to personality
11061 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
11062 (asctoe113): Likewise.
11063 * config/ia64/frame-ia64.c: Include eh-common.h.
11064 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
11066 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
11068 (itanium_split_issue): Add prototype.
11069 (gen_nop_type): Ifdef out.
11070 (find_best_packet): Initialize best_packet.
11071 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
11073 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
11074 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
11075 (flushrs): Add explicit stop bit at end.
11076 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
11079 2001-01-23 Chris Demetriou <cgd@broadcom.com>
11081 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
11083 * libgcc2.c (__terminate_func): Make variable static.
11084 (__terminate_set_func): New function to set __terminate_func.
11085 * libgcc2.h (__terminate_func_ptr): New typedef.
11086 (__terminate_set_func): New function.
11088 2001-01-23 Richard Henderson <rth@redhat.com>
11090 * flow.c (init_propagate_block_info): Don't consider unchanging
11091 memories for dead frame store elimination.
11093 2001-01-23 Richard Henderson <rth@redhat.com>
11095 * varasm.c (UNIQUE_SECTION): Move default implementation ...
11096 * defaults.h: ... here.
11098 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11100 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
11102 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
11104 * c-lex.c (lex_charconst): Fix typo: s/p/str.
11106 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11108 * rs6000.h (rs6000_return_addr): Move prototype from here...
11109 * rs6000-protos.h (rs6000_return_addr): ...to here.
11110 (rs6000_init_expanders): Delete prototype.
11112 2001-01-23 Nick Clifton <nickc@redhat.com>
11114 * invoke.texi: Replace , with \, inside @gccoptlist macros.
11115 (Spec Files): Document %B and %j and %. and %v3 and %M and
11116 %{S*&T} spec switches.
11118 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11120 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
11122 2001-01-23 Chris Demetriou <cgd@sibyte.com>
11123 Neil Booth <neil@daikokuya.demon.co.uk>
11125 * cpperror.c: Merge handlers of PEDWARN and WARNING.
11126 Have -Werror make pedantic warnings errors, like the
11129 2001-01-23 Phil Edwards <pme@sources.redhat.com>
11131 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
11133 2001-01-23 Jakub Jelinek <jakub@redhat.com>
11135 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
11136 * integrate.c (expand_inline_function): Initialize them.
11137 (subst_constants): If changing COMPARE so that both its arguments
11138 will be VOIDmode and the comparison mode will be lost, note
11139 compare_mode. Use the recorded compare_mode to optimize
11142 2001-01-23 Jason Merrill <jason@redhat.com>
11144 * dwarf2out.c (new_die): Use xcalloc.
11145 (output_die): Abort rather than emit a local reference to offset 0.
11147 2001-01-17 Andrew Haley <aph@redhat.com>
11149 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
11150 of a saved register; return NULL instead.
11151 (copy_reg): Take a pointer to a source register rather than a
11153 (next_stack_level): Remember the address in the stack frame of all
11155 Use the saved register pointer array as the source of the CFA.
11156 (throw_helper): Rewrite. Unwind once rather than twice and keep
11157 track of saved registers as we go.
11159 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11161 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
11162 * c4x.c (c4x_legitimize_reload_address): Remove.
11163 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
11164 reload address for ldp(k) insn.
11166 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
11168 * pa.md (return_internal): Add a USE of the PIC register to ensure
11169 it is restored after each call.
11170 (return expander): Corresponding changes.
11172 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11174 * rs6000.h (INIT_EXPANDERS): Delete.
11175 (RETURN_ADDR_RTX): Call rs6000_return_addr().
11176 * rs6000.c (rs6000_override_options): Call *_machine_status from
11178 (rs6000_init_expanders): ...instead of here. Delete.
11179 (rs6000_mark_machine_status): New function.
11180 (rs6000_init_machine_status): Use xcalloc.
11181 (rs6000_return_addr): Generate RTX for the return address.
11182 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
11183 (rs6000_stack_info): Use it.
11185 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
11187 * gthr-win32.h: Include errno.h to get a declaration for
11188 EINVAL and _mingw.h if the target is mingw32.
11190 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
11192 * cpp.texi: Correct typos.
11194 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11196 * explow.c (probe_stack_range): Ensure value passed to
11197 stack_check_libfunc is ptr_mode, not Pmode.
11199 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
11201 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
11202 case, don't use operand_subword to calculate a SUBREG that is
11205 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
11207 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11209 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
11210 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
11211 valid. If not replace it by equivalent insns.
11213 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
11215 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
11216 contains SYMBOL_REF, LABEL_REF and CONST_INT.
11217 (c4x_U_constraint, symbolic_address_operand): Likewise.
11218 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
11220 (c4x_r11_set_p, c4x_check_laj_p): New functions.
11221 * c4x-protos.h (c4x_check_laj_p): Add prototype.
11222 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
11223 anulling slot because of silicon bug.
11224 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
11226 2001-01-22 Alan Modra <alan@linuxcare.com.au>
11228 * cppexp.c (parse_charconst): Change `mask' type to agree
11231 2001-01-21 Richard Henderson <rth@redhat.com>
11233 * config/i386/i386.c (ix86_asm_file_end): Disable putting
11234 pic_label_name in a linkonce section.
11236 2001-01-17 Philipp Thomas <pthomas@suse.de>
11238 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
11240 * configure: Regenerate.
11242 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
11244 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
11245 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
11247 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
11249 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
11250 If REVERSE nonzero then condition code in X must be reversed.
11251 (encode_section_info): Optimise if/else.
11252 (avr_function_value): Fix formatting.
11254 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
11255 (difficult_branch): Likewise.
11256 (rvbranch): Likewise.
11257 (difficult_rvbranch): Likewise.
11259 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
11261 * config/avr/libgcc.S: Fix comment.
11263 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11265 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
11267 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11269 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
11271 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
11273 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
11274 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
11275 * configure, config.in: Regenerate.
11276 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
11277 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
11278 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
11279 (doprint.o): New rule.
11281 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
11283 * c-typeck.c (digest_init): Handle boolean types as scalars.
11285 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11287 * stmt.c (expand_return): Don't return anything if size is zero.
11288 Delete redundant assignment to BYTES.
11289 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
11291 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
11293 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
11294 the same as the default library function names.
11295 * config/avr/avr.md: Document special characters after '%'.
11296 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
11297 knowing which of the call-used registers are really clobbered.
11298 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
11299 New. Both quotient and remainder from one libgcc.S call.
11300 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
11301 clobber as few registers as possible.
11302 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
11304 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
11306 * cppmacro.c (funlike_invocation_p): Don't move back up to the
11307 context of the top of the stack.
11309 2001-01-20 Jakub Jelinek <jakub@redhat.com>
11311 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
11312 (fixup_var_refs_insns): ...here.
11314 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
11316 * function.c (fixup_var_refs_insns): Break up into
11317 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
11318 [loop over entire insn list], and fixup_var_refs_insns_with_hash
11319 [loop over hash table entries].
11320 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
11321 fixup_var_refs_insns_with_hash, to match above changes.
11323 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
11325 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
11326 (libgcc.a): Likewise.
11327 (stmp-multilib): Likewise.
11328 (STAGE2_FLAGS_TO_PASS): Likewise.
11330 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
11332 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
11333 temporary if no_new_pseudos.
11335 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
11337 * cppinternals.texi: Update.
11339 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
11341 * arm.c (arm_init_builtins): Re-enable builtins.
11343 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11345 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
11346 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
11347 element to be null, and always expect an EXPR_LIST.
11348 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
11349 * sched-deps.c (sched_analyze_1): Likewise.
11350 * sched-rgn.c (check_live_1, update_live_1): Likewise.
11352 * regclass.c (max_set_parallel): New variable.
11353 (reg_scan): Take it into account in computation of max_parallel.
11354 (reg_scan_mark_refs, case SET): Compute it.
11356 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
11358 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
11359 * function.c (assign_parms): Use INTVAL for a CONST_INT.
11361 2001-01-19 Jason Merrill <jason@redhat.com>
11363 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
11364 for the abstract instance of an inline function.
11366 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
11367 J"orn Rennecke <amylaar@redhat.com>
11369 * reload1.c (move2add_note_store): Treat all registers directly or
11370 indirectly derived from a base register as members of the same set
11372 (reload_cse_move2add): Adjust accordingly. Take mode and offset
11373 of base register into account.
11375 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
11377 * alias.c (find_base_value): Recognize TRUNCATE.
11378 (record_set): In PLUS case, invalidate if other summand is also a
11381 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11383 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
11384 entry to be EXPR_LIST.
11385 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
11386 be an EXPR_LIST (but not null, which other code doesn't allow).
11387 (note_stores): Properly handle PARALLEL in SET.
11388 Recursively call for top-level PARALLEL.
11389 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
11390 * sched-rgn.c (check_live_1, update_live_1): Likewise.
11392 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
11394 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
11396 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
11397 not pfile->skipping (== 0).
11399 2001-01-17 Nick Clifton <nickc@redhat.com>
11401 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
11404 2001-01-17 Jim Wilson <wilson@redhat.com>
11406 * invoke.texi (IA-64 options): Improve.
11408 2001-01-17 Tom Tromey <tromey@redhat.com>
11410 * invoke.texi (Optimize Options): Use `{}' to around @samp
11413 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
11415 * invoke.texi (-fno-guess-branch-probability): New option.
11417 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11419 * combine.c (try_combine): Don't set i3_subst_into_i2 for
11420 case of making new double-word constant.
11421 Revert last change: instead just test i3_subst_into_i2.
11423 2001-01-17 Jakub Jelinek <jakub@redhat.com>
11425 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
11426 Use q constraints instead of r.
11428 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
11430 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
11431 (machine_function): Define.
11432 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
11433 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
11434 pa_free_machine_status): New functions.
11435 (override_options): Set {init,mark,free}_machine_status to above.
11436 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
11437 PIC_OFFSET_TABLE_REGNUM_SAVED.
11438 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
11439 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
11440 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
11441 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
11442 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
11444 2001-01-15 DJ Delorie <dj@redhat.com>
11446 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
11450 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11452 * flow.c (propagate_one_insn): Make trying to delete a prologue
11453 or epilogue insn an ICE, not a warning. Allow doing this if
11454 the current function returns with stack pointer depressed.
11456 * combine.c (try_combine): If i3_subst_into_i2, properly check for
11457 I3 having more than one SET.
11459 2001-01-16 Jim Wilson <wilson@redhat.com>
11461 * invoke.texi: Document IA-64 options.
11463 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
11464 (fixup_errata): Delete TARGET_A_STEP use.
11465 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
11466 (TARGET_SWITCHES): Delete -ma-step option.
11467 * config/ia64/ia64.md (all FP patterns): Delete %B0.
11468 (movqicc_astep, movqi_internal_astep, movhicc_astep,
11469 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
11470 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
11471 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
11472 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
11474 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
11475 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
11476 cmovsi_internal): Delete ! TARGET_A_STEP check.
11478 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
11480 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
11481 possibility to report bugs via postal mail. Change a URL and
11482 merge in a nearly duplicate statement...
11483 (Bug Reporting): ...from here.
11484 (Service): Refer to the Bug Reporting section instead of
11485 duplicating an URL.
11486 (Contributing): Remove trivial explanations concerning snapshots.
11488 2001-01-16 Alan Modra <alan@linuxcare.com.au>
11490 * cppmain.c (general_init): Don't use ANSI prototype.
11492 2001-01-16 Tom Tromey <tromey@redhat.com>
11494 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
11496 2001-01-16 Richard Henderson <rth@redhat.com>
11498 * config/i386/i386.h: Fix comment typo.
11499 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
11500 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
11502 2001-01-16 Phil Edwards <pme@sources.redhat.com>
11504 * gcc.c: Revert previous -fsyntax-only-related change; move
11507 2001-01-16 Jakub Jelinek <jakub@redhat.com>
11509 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
11510 inmode after checking GET_CODE (op).
11512 2001-01-16 Richard Henderson <rth@redhat.com>
11514 * flow.c (struct propagate_block_info): Add mem_set_list_len.
11515 (MAX_MEM_SET_LIST_LEN): New.
11516 (propagate_one_insn): Update mem_set_list_len.
11517 (invalidate_mems_from_autoinc): Likewise.
11518 (invalidate_mems_from_set): Likewise.
11519 (mark_used_regs): Likewise.
11520 (init_propagate_block_info): Likewise. Stop collecting memories
11521 when we reach MAX_MEM_SET_LIST_LEN.
11522 (mark_set_1): Likewise.
11524 2001-01-16 Richard Henderson <rth@redhat.com>
11526 * unroll.c (precondition_loop_p): Fail if no iteration
11529 2001-01-16 Phil Edwards <pme@sources.redhat.com>
11531 * gcc.c: When -fsyntax-only is given, do not complain about
11534 2001-01-15 Richard Henderson <rth@redhat.com>
11536 * config/i386/i386.c (asm_output_function_prefix): Remove.
11537 (ix86_asm_file_end): New.
11538 (load_pic_register): Generate pic_label_name into a
11539 staticly allocated buffer.
11540 * config/i386/i386-protos.h: Update.
11541 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
11542 (ASM_FILE_END): New.
11543 * config/i386/i386afe.h: New file.
11544 * config.gcc (i?86-*-elf) [tm_file]: Use it.
11545 (i?86-*-{freebsd,linux*,moss*}): Likewise.
11546 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
11547 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
11548 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
11549 * config/i386/sco5.h (ASM_FILE_END): Likewise.
11550 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
11552 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
11554 * Makefile.in (install-man): Remove explicit dependency on
11557 * configure.in, configure: Revert previous patch requiring perl
11560 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
11562 * toplev.c (flag_guess_branch_prob): New.
11563 (f_options): Add guess-branch-probability option.
11564 (rest_of_decl_compilation): Only estimate branch probability if
11566 (main): set flag_guess_branch_prob.
11568 * flags.h (flag_guess_branch_prob): New.
11570 2001-01-15 DJ Delorie <dj@redhat.com>
11572 * gcc.texi (Makefile): Add documentation for Makefile targets.
11574 2001-01-15 Philip Blundell <philb@gnu.org>
11576 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
11578 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
11579 (is_pic): Delete declaration.
11580 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
11581 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
11582 * config/arm/arm.md (builtin_setjmp_receiver): New.
11584 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
11586 * arm.c (use_return_insn): Don't try to determine the function type
11587 until after reload has completed.
11588 (arm_output_epilogue): Don't adjust the sp value recovered from the
11590 (emit_multi_reg_push): Don't record dwarf information for the pc.
11591 * arm.md (eh_epilogue): The function type may have changed, so it
11592 needs to be recalculated.
11593 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
11594 unwind tables on arm/netbsd.
11596 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
11598 * arm.md (cbranchsi4): Correct calculation of branch ranges.
11599 (negated_cbranchsi4): Likewise.
11601 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
11603 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
11604 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
11605 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
11606 pass -mapcs-* options to assembler.
11607 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
11608 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
11609 (ASM_SPEC): Call subtarget_extra_asm_spec.
11611 2001-01-15 Andreas Jaeger <aj@suse.de>
11613 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
11615 (ix86_expand_builtin): Likewise.
11617 * gencodes.c (output_predicate_decls): Make i size_t to avoid
11618 warning about comparison between signed and unsigned.
11620 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
11622 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
11624 2001-01-14 Ralf Baechle <ralf@gnu.org>
11626 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
11627 SUBTARGET_CPP_SPEC apropriatly.
11629 2001-01-12 Mark Mitchell <mark@codesourcery.com>
11631 * varasm.c (make_decl_rtl): Fix typo in last change.
11633 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
11635 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
11636 linker supports the init_priority C++ attribute.
11637 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
11638 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
11639 linker does not support init_priority C++ attribute.
11641 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
11643 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
11645 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
11647 * c-parse.in (finish_parse): Add comment about cpp_destroy.
11648 * cp/lex.c (finish_parse): Similarly.
11649 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
11650 Return the number of errors encountered.
11651 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
11652 * cppmain.c (main): Don't call cpp_destroy.
11654 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
11656 * configure.in: Require at least perl 5.6.0 to regenerate
11658 * configure: Regenerate.
11660 2001-01-14 Richard Henderson <rth@redhat.com>
11662 * genrecog.c (DT_veclen_ge): New.
11663 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
11664 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
11665 (nodes_identical_1): Handle DT_veclen_ge.
11666 (write_cond, debug_decision_2): Likewise.
11668 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
11670 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
11672 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
11674 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
11676 * cppmain.c (do_preprocessing): New function; most of the old
11678 (main): Call it to do most of the work.
11679 (cb): Move from global scope to set_callbacks ().
11680 (setup_callbacks): Get the callback pointer.
11681 (general_init, printer_init): Clean up code and comments.
11683 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
11685 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
11688 2001-01-14 Kazu Hirata <kazu@hxi.com>
11690 * config/h8300/h8300.c (get_shift_alg): Update comments.
11692 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11694 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
11695 (alloc_page, ggc_alloc): Add casts to remove warnings.
11697 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
11699 * combine.c (simplify_comparison): Don't change `code' when
11700 can't reverse comparison.
11702 2001-01-14 Richard Henderson <rth@redhat.com>
11704 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
11705 update all call sites. Return true for all non-label constants.
11707 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
11709 * i386.c (ix86_expand_compare): Add bypass_test and second_test
11711 (ix86_expand_branch): Update.
11712 (ix86_expand_setcc): Update to handle multiple test conditions.
11713 (expand_int_movcc): Likewise.
11714 (expand_fp_movcc): Likewise.
11715 * i386-protos.h (ix86_expand_compare): New.
11716 * i386.md (andqi_?_slp, orqi_?_slp): New.
11717 (conditional trap expander): Update call to ix86_expand_compare.
11719 2001-01-14 Richard Henderson <rth@redhat.com>
11721 * config/vax/vax.md: Use nonimmediate_operand instead of
11722 general_operand in destinations.
11724 * config/vax/vax.md (indirect_jump): Use register_operand.
11726 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
11727 * config/vax/vax.md (call_pop): Turn into an expander.
11728 (call_value_pop): Likewise.
11729 (call, call_value): New.
11731 2001-01-14 Andreas Jaeger <aj@suse.de>
11733 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
11735 (ix86_fp_compare_mode): Add unused attribute.
11736 (ix86_expand_fp_movcc): Remove unused variable.
11737 (ix86_expand_builtin): Make fcode unsigned.
11739 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
11740 (expand_expr): Add cast to avoid signed warning.
11741 (store_field): Likewise.
11742 (store_constructor_field): Likewise.
11743 (store_constructor): Likewise.
11744 (store_expr): Likewise.
11745 (clear_storage): Likewise.
11746 (emit_group_store): Likewise.
11747 (emit_group_load): Likewise.
11749 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
11751 * c-common.c: Move format checking code to ...
11752 * c-format.c: ... here. New file. Reorder some functions and
11754 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
11756 * c-common.h (decl_handle_format_attribute,
11757 decl_handle_format_arg_attribute): Declare.
11758 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
11759 (c-common.o): Adjust dependencies.
11760 (c-format.o): New list of dependencies.
11762 2001-01-13 Jakub Jelinek <jakub@redhat.com>
11764 * unroll.c (loop_iterations): If we cannot prove iteration variable
11765 is set once in each iteration, punt.
11767 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
11769 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
11770 (*strlenhi): Remove clobber (which was buggy) of output address.
11772 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
11774 * Makefile.in (generated-manpages): Add gcc.1
11775 ($(srcdir)/gcc.1): New target.
11776 (maintainer-clean): Delete $(srcdir)/gcc.1.
11777 * gcc.texi: Add macros @gccoptlist and @gol.
11778 * invoke.texi: Include option summary in manpage. Mark up option
11779 summary with @gccoptlist and @gol. Use @r in one place where
11781 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
11782 * gcc.1: Generate from invoke.texi.
11784 2001-01-13 Richard Henderson <rth@redhat.com>
11786 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
11787 (struct page_entry): Add group member.
11788 (struct page_group): New.
11789 (struct globals): Add page_groups member.
11790 (alloc_anon): Only define for using mmap; remove valloc call.
11791 (page_group_index): New.
11792 (set_page_group_in_use): New.
11793 (clear_page_group_in_use): New.
11794 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
11795 (free_page, release_pages): Likewise.
11796 * configure.in (with-gc): Default to ggc-page always.
11798 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
11800 * reload1.c (replace_pseudos_in_call_usage): Use
11801 reg_equiv_constant and reg_equiv_address, and don't try
11802 regno_reg_rtx first.
11804 2001-01-13 Richard Henderson <rth@redhat.com>
11806 * ggc-page.c (alloc_page): Round up allocation size to one page.
11807 Set e->order on extra pages.
11809 2001-01-13 Richard Henderson <rth@redhat.com>
11811 * genrecog.c (nodes_identical): Expand commentary.
11812 (write_switch): Watch out for identical nodes.
11814 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11816 * cppfiles.c (_cpp_fake_include): New function.
11817 * cpphash.h (_cpp_fake_include): New.
11818 * cpplib.c (do_line): Call _cpp_fake_include when entering
11819 header files in preprocessed input.
11820 * cppmain.c (cb_pragma_implementation): Remove handling.
11821 (setup_callbacks): Don't register pragmas.
11823 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11825 * extend.texi: Udate for CPP.
11827 2001-01-13 Andreas Jaeger <aj@suse.de>
11829 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
11831 * regmove.c: Add prototype for replace_in_call_usage.
11833 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11835 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
11836 struct cpp_chunk, struct htab, struct toklist,
11837 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
11838 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
11839 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
11840 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
11841 (struct macro_args): Delete.
11842 * cpphash.h: See above.
11844 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11846 * cppmain.c (struct printer): Remove no_line_dirs.
11847 (options, cb): New.
11848 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
11849 : Use options rather than CPP_OPTION.
11850 (setup_callbacks): Use cb rather than pfile->cb.
11851 (main): No need to check for a buffer. Use cpp_errors.
11852 (printer_init): Don't set no_line_dirs.
11853 (maybe_print_line): Use options not no_line_dirs.
11854 (cb_file_change): Don't call print_line if -P.
11856 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11858 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
11860 * c-parse.in (finish_parse): Use cpp_errors.
11861 (__yylex): Use return value of cpp_pop_buffer.
11862 * cp/lex.c (finish_parse): Use cpp_errors.
11863 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
11865 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
11867 * README.AVR: URLs corrected.
11869 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11871 * c-decl.c (start_function): Don't warn if old prototype is builtin
11872 that's not in C's namespace.
11873 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
11874 (_bb): Add prototype for ctime.
11875 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
11877 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
11879 * i386.c (ix86_fp_comparison_arithmetics_cost,
11880 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
11881 ix86_fp_comparison_cost): New functions.
11882 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
11883 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
11884 two-branch sequences; make static.
11885 (ix86_use_fcomi_compare): Do decision according to the costs.
11886 (split_fp_branch): New.
11887 * i386.md (compare-and-branch patterns): Use split_fp_branch.
11888 * i386-protos.h (ix86_expand_fp_compare): Remove
11889 (ix86_split_fp_branch): Declare.
11891 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
11892 and ix86_comparison_operator.
11894 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
11895 to make it cheaper.
11897 * i386.c (put_condition_code): Output properly the unordered/ordered
11898 compares in fp case.
11899 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
11901 * tm.texi (REVERSE_CONDITION): Document.
11902 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
11903 in -ffast-math mode.
11904 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
11906 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
11908 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
11910 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
11913 * config/sh/sh.c (mova_p): Fix test for mova_const.
11915 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11917 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
11918 cpp_get_options rather than dereferencing pfile and using
11920 * scan-decls.c (scan_decls): Use return value of
11921 cpp_pop_buffer rather than CPP_BUFFER.
11923 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
11925 * cppinit.c (cpp_handle_option): help_only is now part of the
11926 cpp_options structure.
11927 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
11928 cpp_set_callbacks): New functions.
11929 * cpplib.h (cpp_callbacks): Break out as a named structure.
11930 (cpp_options): Move help_only here from cpp_reader.
11931 (CPP_FATAL_ERRORS): Update to use cpp_errors.
11932 (cpp_errors, cpp_get_options, cpp_get_callbacks,
11933 cpp_set_callbacks): New prototypes.
11934 * cppmain.c (main): Update for help_only.
11936 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
11938 * Makefile.in (info, maintainer-clean, install-info, uninstall):
11939 Also build and remove and install and uninstall c-tree.info and
11941 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
11942 ($(srcdir)/cppinternals.info): New target.
11943 * c-tree.texi: Change file name used when makeinfo used without -o
11944 from ir.info to c-tree.info. Add info directory entry.
11945 * cppinternals.texi: Add info directory entry.
11946 * .cvsignore: Update.
11948 2001-01-12 Jakub Jelinek <jakub@redhat.com>
11950 * c-typeck.c (store_init_value): Don't require constant initializer
11951 elements with -pedantic -std=c99.
11952 (digest_init): Change error about non-constant initializer elements
11954 (constructor_range_end): Remove.
11955 (constructor_incremental, designator_depth,
11956 designator_errorneous): New variables.
11957 (struct constructor_stack): Remove range_end, add incremental.
11958 (struct constructor_range_stack, constructor_range_stack): New.
11959 (struct initializer_stack): Add constructor_range_stack.
11960 (finish_init): Set it.
11961 (start_init): Likewise. require_constant_elements for non-static
11962 trees only if not flag_isoc99.
11963 (really_start_incremental_init): Remove constructor_range_end, add
11964 constructor_incremental.
11965 (pop_init_level): Likewise.
11966 (push_init_level): Likewise. If implicit and the subobject had some
11967 value set already, preinitialize the level with it.
11968 Warn about missing braces only if not pushing due to designators.
11969 (set_designator, push_range_stack): New functions.
11970 (set_init_label): Use them.
11971 (set_init_index): Likewise. Remove constructor_range_end.
11972 Error if designator index is outside of array bounds.
11973 (add_pending_init): Compare values of purpose index trees, not the
11974 trees themselves. Allow overwriting of already initialized element.
11975 Issue a warning if it had side-effects.
11976 (set_nonincremental_init, set_nonincremental_init_from_string): New
11978 (pending_init_member): Rename to...
11979 (find_init_member): ...this function. Call set_nonincremental_init
11980 if necessary. Compare values of purpose index trees, not the trees
11981 themselves. Return the actual value, not just non-zero if something
11983 (output_init_element): Remove checks for duplicates.
11984 If field has zero size, only check the initializer for correctness.
11985 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
11986 if constructor_incremental is zero. Change error about initializers
11987 not computable at load time into pedwarn.
11988 (output_pending_init_elements): Compare bit positions, not
11989 FIELD_DECLs to take into account zero-sized fields.
11990 (process_init_element): Use constructor_range_stack to fill all
11991 ranges in the designator lists from current level up.
11992 * extend.texi: Update documentation for labeled elements.
11994 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
11996 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
11997 to function usage for arguments passed by reference. Optimize
11998 callee-copied arguments.
11999 * regmove.c (replace_in_call_usage): New function.
12000 (fixup_match_1): Call it.
12001 * cse.c (cse_insn): Canonicalize registers in function usage.
12002 * reload1.c (replace_pseudos_in_call_usage): New function.
12005 * Makefile.in: Reverted yesterday's wrong patch. Installed the
12008 2001-01-12 Jakub Jelinek <jakub@redhat.com>
12010 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
12013 2001-01-12 DJ Delorie <dj@redhat.com>
12015 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
12016 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
12019 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
12021 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
12022 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
12023 -std options alongside references to -ansi. Update some
12024 documentation for C99.
12025 * cpp.1: Regenerate.
12027 2001-01-12 Andreas Jaeger <aj@suse.de>
12029 * haifa-sched.c (restore_line_notes): Remove argument block B
12031 * sched-ebb.c (schedule_ebb): Change caller.
12032 * sched-rgn.c (schedule_region): Likewise.
12033 * sched-int.h (restore_line_notes): Adjust prototype.
12035 * loop.h: Remove wrong declaration of doloop_condition_get.
12037 2001-01-12 Phil Edwards <pme@sources.redhat.com>
12039 * extend.texi: Move C++-extension-related node from the C section
12040 into the C++ section.
12042 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
12044 * extend.texi: Refer to an array of pointers to functions instead
12045 of one of functions.
12047 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
12048 Jan Hubicka <jh@suse.cz>
12050 * combine.c (reversed_comparison): Fix typo in last patch.
12052 (combine_reversed_comparison_code): Make static to follow
12053 prototype declaration.
12055 2001-01-12 Phil Edwards <pme@sources.redhat.com>
12057 * install.texi: Remove misplaced duplicate entry.
12059 2001-01-11 Ulrich Drepper <drepper@redhat.com>
12061 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
12063 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
12065 * final.c: (leaf_function_p): Fix typo.
12067 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
12069 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
12070 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
12072 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
12073 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
12074 mmap_anon, and valloc is available.
12075 * ggc-page.c: Restructure ifdef logic to match new autoconf
12076 spec. Don't throw away the test page in init_ggc.
12078 * configure, config.in: Regenerate.
12080 2001-01-12 Michael Hayes <mhayes@redhat.com>
12082 * loop.h (total_biv_increment): Constify iv_class pointer.
12083 (struct induction): Replace `mem_mode' with `mem' rtx.
12084 * unroll.c (total_biv_increment): Constify iv_class pointer.
12085 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
12086 (find_mem_givs, combine_givs_p): Likewise.
12087 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
12089 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
12091 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
12093 (__gthread_getspecific): Ditto.
12095 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
12097 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
12098 put_condition_code): Convert fp comparison codes to integer
12100 (ix86_expand_fp_compare): Postnote the fp comparison code converison
12103 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
12104 * i386-protos.h (no_comparison_operator): Kill.
12106 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
12108 * combine.c (REVERSIBLE_CC_MODE): Remove.
12109 (reversible_comparison_p): Remove.
12110 (combine_reversed_comparison_code): New.
12111 (reversed_comparison): New.
12112 (combine_simplify_rtx): Use
12113 combine_reversed_comparison_code/reversed_comparison instead
12114 of reversible_comparison_p.
12115 (simplify_if_then_else): Likewise.
12116 (simplify_set): Likewise.
12117 (simplify_logical): Likewise.
12118 (if_then_else_cond): Likewise.
12119 (known_cond): Likewise.
12120 (simplify_comparison): Likewise.
12122 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
12124 * builtins.c (std_expand_builtin_va_start): Handle varargs when
12125 sizeof (int) is larger than sizeof(__word__).
12127 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
12129 * cppinit.c (do_includes): Fix typo.
12131 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
12133 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
12134 in S_REGS does not occur because not all sources are possible
12135 when a S_REGS is a destination (sometimes needs a clobber).
12136 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
12137 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
12138 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
12139 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
12140 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
12141 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
12142 (lshrdi_const1, lshrsi3_const16): Likewise.
12143 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
12144 (*movhi_68hc12, *movqi_68hc12): Likewise.
12145 (movstrictqi): Make sure reloading in D_REGS as a destination
12148 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
12150 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
12152 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
12154 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
12155 -D, -U and -A, and don't initialize the builtins.
12156 (do_includes): Error if -include or -imacros with -fpreprocessed.
12157 * cppmain.c (cb_define, cb_undef): Unconditionally process
12159 * tradcpp.c (main): Fix typo.
12161 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
12163 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
12164 (read_name_map): Use IS_ABSOLUTE_PATH.
12165 * tradcpp.c (get_filename): Likewise.
12167 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
12169 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
12170 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
12171 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
12172 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
12173 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
12174 (cmphi_z_used): Don't use '@' for the output.
12175 (tstqi_z_used): Likewise.
12176 (cmpqi_z_used): Likewise.
12177 (one_cmplsi2): Likewise.
12179 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
12181 * config/sh/sh.c (barrier_align): Recognize branch around far
12182 branch and redundant insn.
12184 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
12186 * invoke.texi: Restore documentation of the drivers' switches -MD
12189 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
12191 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
12193 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
12194 check-objc//%): Support parallel testing of multilibs.
12195 (TESTSUITEDIR): Set to testsuite by default, but override for
12197 (check-gcc, check-g++, check-g77, check-objc): Enter
12200 2001-01-11 Bernd Schmidt <bernds@redhat.com>
12202 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
12203 * sched-deps.c (deps_may_trap_p): Likewise.
12204 * basic-block.h: Remove a comment.
12205 * flow.c (PROP_POSTRELOAD): Remove.
12206 (update_life_info): Don't add it to prop_flags.
12207 (mark_set_1): Lose the code that was enabled by it.
12209 2001-01-11 Michael Hayes <mhayes@redhat.com>
12211 * flow.c (flow_call_edges_add): New.
12212 * basic_block.h (flow_call_edges_add): New.
12214 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
12216 * reload1.c (move2add_note_store): Update reg_set_luid even if
12217 base reg remains the same.
12219 2001-01-10 Nick Clifton <nickc@redhat.com>
12221 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
12222 machine_function structure to zero.
12223 Add prototypes for machine_status functions.
12225 2001-01-10 Mark Mitchell <mark@codesourcery.com>
12227 * c-common.h (CTI_VOID_LIST): Remove.
12228 (void_list_node): Likewise.
12229 * tree.h (TI_VOID_LIST_NODE): New enumeral.
12230 (void_list_node): New macro.
12231 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
12232 * config/i386/i386.c (ix86_init_builtins): Likewise.
12233 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
12235 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
12237 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
12238 * cppinit.c (cpp_start_read): Update comment, remove unneeded
12240 * tradcpp.c: Include mkdeps.h.
12241 (deps, print_deps_phony_targets, deps_append, output_deps,
12242 init_dependency_output, output_deps): New.
12243 (deps_buffer, deps_allocated_size, deps_size, deps_column,
12244 deps_output): Delete.
12245 (print_deps_missing_files): Rename deps_missing_files.
12246 (inhibit_output): Make global.
12247 (main): Delete inhibit_output, deps_stream, deps_target.
12248 Use mkdeps functionality in the same way as cpplib. Remove
12249 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
12250 -M and -MM. Remove old handling of deps via deps_out, and
12251 old reading of environment variables.
12252 (get_filename): Update to use deps_add_dep.
12254 2001-01-10 Mark Mitchell <mark@codesourcery.com>
12256 * output.h (make_function_rtl): Remove prototype.
12257 (make_decl_rtl): Likewise.
12258 * varasm.c (make_function_rtl): Remove.
12259 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
12260 than from a third parameter.
12261 * tree.h (make_decl_rtl): Remove last parameter.
12262 * c-decl.c (builtin_function): Remove last argument in call to
12263 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
12264 (start_function): Likewise.
12265 * except.c (call_get_eh_context): Likewise.
12266 * expr.c (emit_block_move): Likewise.
12267 (clear_storage): Likewise.
12268 * profile.c (output_func_start_profiler): Likewise.
12269 * toplev.c (rest_of_decl_compilation): Likewise.
12270 * objc/objc-act.c (create_builtin_decl): Likewise.
12271 (synth_module_prologue): Likewise.
12272 (generate_static_reference): Likewise.
12273 (build_selector_reference_decl): Likewise.
12274 (build_class_reference_decl): Likewise.
12275 (build_objc_string_decl): Likewise.
12276 (build_protocol_reference): Likewise.
12278 2001-01-10 Richard Henderson <rth@redhat.com>
12280 * hwint.h: Revert yesterday's change.
12282 2001-01-10 Nick Clifton <nickc@redhat.com>
12284 * function.h (save_machine_status): Delete.
12285 (restore_machine_status): Delete.
12286 Amend comment describing {init|mark|free}_machine_status.
12288 * function.c (save_machine_status): Delete.
12289 (restore_machine_status): Delete.
12290 Amend comment describing {init|mark|free}_machine_status.
12291 (push_function_context_to): Remove invocation of
12292 save_machine_status.
12293 (pop_function_context_from): Remove invocation of
12294 restore_machine_status.
12296 * emit-rtl.c (init_emit_once): Amend comment describing
12297 {init|mark|free}_machine_status.
12299 * tm.texi (Per-Function Data): New node. Describe the
12300 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
12303 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
12305 * cppinit.c (OPT_g): Remove.
12306 (cpp_handle_option): Update for removed -g3.
12307 (print_help): Update.
12308 * cpplib.h (struct cpp_options): Remove debug_output.
12309 * cppmain.c (setup_callbacks, cb_define): Update.
12310 * gcc.c (cpp_options): Translate -g3 to -dD.
12312 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
12314 * config/i960/i960.md: Change modifier to + on the zero_extract
12315 pattern after the (rotate -2 reg) canonicalization pattern.
12317 2001-01-10 Richard Henderson <rth@redhat.com>
12319 * config/alpha/alpha.c (alpha_free_machine_status): New.
12320 (override_options): Install it.
12321 (alpha_mark_machine_status): Verify machine non-null.
12322 * config/i386/i386.c (ix86_free_machine_status): New.
12323 (override_options): Install it.
12324 (ix86_init_machine_status): Use xcalloc.
12325 (ix86_mark_machine_status): Verify machine non-null.
12326 * config/ia64/ia64.c (ia64_free_machine_status): New.
12327 (ia64_override_options): Install it.
12328 (ia64_mark_machine_status): Verify machine non-null.
12330 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
12332 * function.c (instantiate_virtual_regs): Instantiate virtual
12333 registers found in CALL_INSN_FUNCTION_USAGE.
12335 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
12337 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
12338 equivalent to -ansi in disabling -Di386.
12340 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
12342 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
12344 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
12346 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
12348 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
12350 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
12352 * invoke.texi: Document that -fcond-mismatch isn't supported for
12355 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
12357 * gcc.texi: Define macro gcctabopt.
12358 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
12359 @command, @env and @option in some places where appropriate. Use
12360 @gcctabopt where appropriate. Put URLs and email addresses inside
12363 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
12365 * gcc.c (cpp_options): Set MD file name from output
12366 filename, if specified.
12367 (suffix_subst): New static variable.
12368 (do_spec): Clear it.
12369 (do_spec_1, case '.'): Handle new `%.suffix' spec.
12371 (give_switch): Handle suffix_subst.
12373 2001-01-10 Phil Edwards <pme@sources.redhat.com>
12375 * invoke.texi: Fix another typo.
12377 2001-01-10 Phil Edwards <pme@sources.redhat.com>
12379 * invoke.texi: Fix typo.
12381 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
12383 * c-lang.c (lang_hooks): Update.
12384 (lang_decode_option): Remove.
12385 (lang_init_options): Rename c_init_options.
12386 * toplev.c (main): Use lang_hooks for lang_init_options
12387 and lang_decode_option.
12388 * toplev.h (lang_hooks): Add 2 new hooks.
12389 * tree.h: Remove lang_init_options and lang_decode_option.
12390 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
12391 * cp/decl2.c: Similarly.
12392 * cp/lex.c (lang_init_options): Rename cxx_init_options.
12393 (lang_hooks): Update.
12394 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
12396 (lang_init_options): Rename ffe_init_options.
12397 (lang_hooks): Update.
12398 (lang_decode_option): Remove.
12399 * java/lang.c (lang_init_options): Rename java_init_options.
12400 (lang_decode_option): Rename java_decode_option.
12401 (lang_hooks): Update.
12402 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
12403 (lang_decode_option): Rename objc_decode_option.
12404 (lang_hooks): Update.
12406 2001-01-09 Nick Clifton <nickc@redhat.com>
12408 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
12409 (d30v_return_addr_rtx): Delete.
12410 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
12411 cfun->machine structure.
12412 (struct machine_function): Move to d30v.h
12413 (d30v_save_machine_status): Delete.
12414 (d30v_restore_machine_status): Delete.
12415 (d30v_init_machine_status): New Function.
12416 (d30v_mark_machine_status): New Function.
12417 (d30v_free_machine_status): New Function.
12418 (d30v_init_expanders): Use new functions.
12419 (d30v_return_addr): Use ra_rtx field in cfun->machine.
12420 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
12421 d30v_return_addr_rtx.
12423 * config/d30v/d30v.h (struct_machine): Move here.
12424 Add eh_epilogue_sp_ofs field.
12426 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
12427 field in cfun->machine structure.
12429 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
12431 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
12432 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
12433 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
12435 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
12437 * objc/lang-options.h: Remove bogus reference to
12440 2001-01-09 Kazu Hirata <kazu@hxi.com>
12442 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
12445 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
12447 * reload.c (find_reloads_address): Check for eliminable registers
12448 when substituting a constant expression for a pseudo.
12450 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
12452 * c-common.c (enum format_type): Add format_type_error.
12453 (decode_format_type): New function.
12454 (decl_attributes): Use it.
12455 (format_kind_info): Adjust comment.
12457 2001-01-09 David O'Brien <obrien@BSDi.com>
12459 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
12460 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
12462 * config/i386/gnu.h: Don't include required platform specific .h files,
12463 tm.h will do it instead.
12464 * config/i386/i386elf.h: Likewise.
12465 * config/i386/linux.h: Likewise.
12466 * config/i386/moss.h: Likewise.
12467 * config/mips/gnu.h: Likewise.
12469 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12471 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
12472 (rs6000-ibm-aix3.[01]*): Likewise.
12473 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
12474 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
12475 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
12476 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
12477 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
12478 (powerpc-*-eabiaix*): Likewise.
12479 (powerpc-*-eabisim*): Likewise.
12480 (powerpc-*-elf*): Likewise.
12481 (powerpc-*-eabi*): Likewise.
12482 (powerpc-*-rtems*): Likewise.
12483 (powerpc-*-linux*libc1): Likewise.
12484 (powerpc-*-linux*): Likewise.
12485 (powerpc-wrs-vxworks*): Likewise.
12486 (powerpcle-wrs-vxworks*): Likewise.
12487 (powerpcle-*-sysv*): Likewise.
12488 (powerpcle-*-elf*): Likewise.
12489 (powerpcle-*-eabisim*): Likewise.
12490 (powerpcle-*-eabi*): Likewise.
12491 (powerpcle-*-solaris2*): Likewise.
12492 * config/rs6000/aix31.h: Delete includes.
12493 * config/rs6000/aix3newas.h: Likewise.
12494 * config/rs6000/aix41.h: Likewise.
12495 * config/rs6000/aix43.h: Likewise.
12496 * config/rs6000/beos.h: Likewise.
12497 * config/rs6000/rtems.h: Likewise.
12498 * config/rs6000/sysv4.h: Likewise.
12500 2001-01-09 Kazu Hirata <kazu@hxi.com>
12502 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
12503 Change an argument mode of machine_mode to shift_mode of
12504 shift_mode. Remove an extra error check.
12505 (emit_a_shift): Adopt to the new calling prototype of
12507 (function_prologue): Fix code for a monitor
12508 function. Support H8/S.
12509 (function_epilogue): Do not output pop for a monitor function.
12511 2001-01-09 Nick Clifton <nickc@redhat.com>
12513 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
12514 (setup_incoming_varargs): Use sysv_varargs_p field of the
12515 cfun->machine structure.
12516 (struct machine_function): Move to rs6000.h
12517 (rs6000_save_machine_status): Delete.
12518 (rs6000_restore_machine_status): Delete.
12519 (rs6000_init_machine_status): New Function.
12520 (rs6000_free_machine_status): New Function.
12521 (rs6000_init_expanders): Use new functions.
12523 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
12525 (struct machine_function): Move here.
12527 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
12528 sysv_varargs_p field of the cfun->machine structure.
12530 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
12532 (rs6000_restore_machine_status): Remove prototype.
12534 2001-01-09 Richard Henderson <rth@redhat.com>
12536 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
12537 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
12538 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
12539 (sched_analyze_2, sched_analyze_insn): Likewise.
12540 (sched_analyze, init_deps): Likewise.
12541 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
12542 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
12543 (compute_block_backward_dependences): Update propagate_deps call.
12545 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
12547 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
12549 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
12551 * cppinit.c (OPT_MD, OPT_MMD): Restore.
12552 (cpp_handle_option): Handle them.
12553 (cpp_post_options): Ensure one of -M or -MM is specified with
12554 any other -M? option.
12555 (init_dependency_output): Suppress output with -MG.
12557 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
12559 * cpp.texi: Update.
12560 * invoke.texi: Update.
12562 2001-01-09 Bernd Schmidt <bernds@redhat.com>
12564 * sh.md (reload_outsf): Generate recognizable patterns for
12567 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
12569 * c-lang.c (lang_hooks): Update.
12570 (lang_init): Rename c_init.
12571 (lang_finish): Remove.
12572 * toplev.c (compile_file): Use lang_hooks for lang_init ()
12573 and lang_finish ().
12574 * toplev.h (lang_hooks): Add init () and finish ().
12575 * tree.h (lang_init, lang_finish): Remove.
12576 * cp/tree.h (lang_init, lang_finish): Remove.
12577 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
12578 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
12580 (lang_init, lang_finish): Remove.
12581 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
12582 (lang_hooks): Update.
12583 * java/lang.c (lang_init): Rename java_init.
12584 (lang_finish): Remove.
12585 (lang_hooks): Update.
12586 * objc/objc-act.c (lang_init): Rename objc_init.
12587 (lang_finish): Remove.
12588 (lang_hoooks): Update.
12590 20001-01-09 Graham Stott <grahams@redhat.com>
12592 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
12593 after `ptr` is initialised.
12595 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
12597 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
12598 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
12599 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
12600 stack adjusts, instead of r3.
12602 2001-01-09 Michael Hayes <mhayes@redhat.com>
12604 * flow.c (flow_loop_scan): Break out of ...
12605 (flow_loops_find) ... here.
12606 * basic-block.h (flow_loop_scan): New.
12607 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
12608 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
12610 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
12612 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
12614 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
12615 realloc()ing macro_buffer.
12617 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
12618 if it's wider than long and the target's long is wider than the
12621 2001-01-09 Mark Mitchell <mark@codesourcery.com>
12623 Remove support for using UWIN as a host machine.
12624 * configure.in: Issue an error message.
12625 * configure: Regenerated.
12626 * config.gcc: Remove xm_* UWIN configury.
12627 * config/i386/xm-uwin.h: Remove.
12629 2001-01-08 Nick Clifton <nickc@redhat.com>
12631 * config/v850/v850.c (ra_rtx): Delete.
12632 (v850_save_machine_status): Delete.
12633 (v850_restore_machine_status): Delete.
12634 (v850_init_machine_status): New function.
12635 (v850_mark_machine_status): New function.
12636 (v850_free_machine_status): New function.
12637 (v850_return_addr): Use ra_rtx field in machine structure.
12638 (v850_init_expanders): Use new functions.
12640 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
12641 * config/v850/v850.c: Change arguments to v850_output+* functions
12642 to take a const char *, to avoid compile time warning.
12643 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
12644 (USER_LABEL_PREFIX): Redefine.
12646 2000-01-08 Jim Wilson <wilson@redhat.com>
12648 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
12649 1 to unsigned HOST_WIDE_INT before left shift.
12651 2001-01-08 Nick Clifton <nickc@redhat.com>
12653 * config/arm/arm.c (arm_mark_machine_status): Check to see if
12654 the machine structure has been allocated.
12655 (arm_free_machine_status): New function: Free the machine
12656 specific function structure.
12658 2001-01-08 Richard Henderson <rth@redhat.com>
12660 * jump.c (simplejump_p): Revert last change.
12662 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
12664 * cppinit.c (init): Rename init_library.
12665 (cpp_create_reader): Update.
12666 * gcc.c (cpp_options): If -o given, use it as the target of
12669 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
12671 * arm.c (arm_arch5e): New variable.
12672 (all_cores): XScale is a 5TE device.
12673 (arm_override_options): Set arm_arch5e.
12674 (arm_init_builtins): __builtin_prefetch is in arch5e.
12675 * arm.h (arm_arch5e): Declare it.
12677 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
12679 * arm.md (define_constants): Add defines for UNSPEC and
12680 UNSPEC_VOLATILE insns. Update all users.
12681 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
12682 * arm.c (multi_register_push, note_invalid_constants)
12683 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
12684 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
12685 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
12687 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
12689 * jump.c (jump_optimize_1): Use reversed_comparison_code
12690 instead of can_reverse_comparison_p.
12691 (jump_back_p): Likewise.
12692 (invert_exp_1): Likewise.
12693 (thread_jumps): Likewise.
12694 * simplify-rtx.c (simplify_unary_operation): Likewise.
12695 (simplify_ternary_operation): Likewise.
12696 * cse.c (find_comparison_args): Convert to use
12697 can_reverse_comparison_p.
12698 (record_jump_equiv): Likewise.
12700 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
12702 * arm.h (HARD_REGNO_RENAME_OK): Delete.
12703 (EPILOGUE_USES): Define.
12704 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
12705 automatically stack the LR if it isn't live.
12707 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
12709 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
12712 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
12714 * ggc-page.c (max_alignment): New structure.
12715 (MAX_ALIGNMENT): New macro.
12716 (init_ggc): Use it to round up the sizes in the
12717 extra_order_size_table.
12719 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
12721 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
12724 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12726 * builtins.def (BUILT_IN_FPRINTF): New entry.
12728 * c-common.c (c_expand_builtin_fprintf): New function.
12729 (init_function_format_info): Handle __builtin_fprintf.
12730 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
12731 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
12733 * c-decl.c (duplicate_decls): Adjust comment.
12735 * extend.texi (fprintf): Document new builtin.
12737 2001-01-07 Richard Henderson <rth@redhat.com>
12739 * jump.c (simplejump_p): Recognize any single_set jump
12740 of the proper form.
12742 2001-01-07 Richard Henderson <rth@redhat.com>
12744 * configure.in (slibdir): Accept an --with-slibdir option.
12745 Use "test" not "[" in configure. Default to $(libdir).
12747 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
12749 * config/t-aix43 (SHLIB_INSTALL): Likewise.
12750 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
12751 (SHLIB_LINK): Create links for the soname.
12752 * config/mips/t-iris6: Likewise.
12753 * config/sparc/t-slibgcc: Likewise.
12754 * config/sparc/t-slibgcc-sld: Likewise.
12756 2001-01-07 Jakub Jelinek <jakub@redhat.com>
12758 * config/i386/i386.c (constant_call_address_operand): Accept
12759 (const (plus (symbol_ref) (const_int))).
12760 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
12761 constant_call_address_operand.
12763 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
12765 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
12766 and LONG_LONG_TYPE_SIZE > 32.
12768 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
12770 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
12771 the previous change.
12773 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
12775 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
12777 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
12778 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
12779 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
12782 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12784 * fix-header.c (read_scan_file): s/pfile/scan_in/.
12786 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12788 * c-lang.c (c_post_options): Call cpp_post_options.
12789 * objc/objc-act.c (objc_post_options): Similarly.
12790 * cppmain.c (main): Similarly.
12791 * fix-header.c (read_scan_file): Similarly.
12792 * cppinit.c (cpp_start_read): Move option consistency checks
12793 to cpp_post_options. Don't call init_dependency_output.
12794 If needed, add default target and main file dependency.
12795 (OPT_MD, OPT_MMD): Remove.
12797 (cpp_handle_option): Update for OPT_* changes.
12798 (cpp_post_options): New.
12799 (init_dependency_output): Command line -MF overrides environment
12800 variables. Don't set default target etc. Suppress output
12801 if dependencies are going to stdout.
12802 (print_help): Update.
12803 * cpplib.h (cpp_post_options): New.
12804 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
12806 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
12808 * jump.c (comparison_dominates_p): Support unordered compares.
12810 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
12812 * simplify-rtx.c (simplify_relational_operation): Always simplify
12813 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
12816 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
12818 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
12819 (nonzero_bits): Likewise.
12820 (simplify_comparison): Likewise.
12821 (num_sign_bit_copies): Likewise; return more sane value depending
12822 on STORE_FLAG_VALUE.
12823 (known_cond): Do not assume EQ to be always true for equivalent
12826 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
12828 * cse.c (fold_rtx): Handle unordered comparisons.
12830 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
12832 * rtlanal.c (set_of_1): New static function.
12833 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
12834 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
12835 reg_set_last_last_regno): Remove.
12836 (set_of): New global function.
12837 (set_of_data): New structure.
12838 (reg_set_p, reg_set_last): Revamp for set_of.
12839 * rtl.h (set_of): New.
12841 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
12843 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
12844 * extend.texi: Document _Exit builtin.
12846 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12848 * (initialize, initialize_builtins,
12849 initialize_dependency_output, initialize_standard_includes):
12850 Rename s/initialize/init. Update.
12851 (init_dependency_output): Move to after
12852 cpp_handle_options, the correct location temporally at least.
12853 (opt_comp): Move next to init (), its caller. Fix prototype.
12854 (init): Make "initialized" local scope.
12855 (cpp_create_reader): Always call init ().
12856 (cpp_start_read): Update.
12857 (output_deps): New function, broken out of cpp_finish.
12858 (cpp_finish): Break out output_deps.
12860 2001-01-07 Richard Henderson <rth@redhat.com>
12862 * collect2.c (COFF specific stuff): Revert 12-06 patch
12863 to prototype system functions.
12865 2001-01-07 Michael Hayes <mhayes@redhat.com>
12867 * hard-reg-set.h: Add multiple include guard.
12868 * basic-block.h (struct loop): Add `sink' field.
12869 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
12870 (emit_iv_add_mult): Delete.
12871 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
12872 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
12873 (unroll_loop): Remove end_insert_before argument.
12874 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
12875 (maybe_eliminate_biv_1): Likewise.
12876 (emit_iv_add_mult): Delete.
12877 (gen_add_mult, loop_regs_update): New.
12878 (loop_insn_emit_after, loop_insn_emit_before): New.
12879 (loop_insn_sink, loop_insn_sink_or_swim): New.
12880 (emit_iv_add_mult): Delete.
12881 (scan_loop): Set loop->sink.
12882 (loop_givs_reduce): Use loop_insn_sink and its ilk.
12883 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
12884 (maybe_eliminate_biv_1): Likewise.
12885 (maybe_eliminate_biv_1): Add basic block argument.
12886 * unroll.c (unroll_loop): Remove end_insert_before argument.
12887 (find_splittable_regs): Likewise.
12888 (find_splittable_regs): Use loop_insn_sink and its ilk.
12889 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
12891 2001-01-07 Michael Hayes <mhayes@redhat.com>
12893 * loop.h (loop_insn_hoist): New prototype.
12894 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
12895 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
12896 (check_dbra_loop, load_mems): Likewise.
12897 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
12898 (find_splittable_givs): Likewise.
12900 2001-01-07 Michael Hayes <mhayes@redhat.com>
12902 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
12904 2001-01-07 Richard Henderson <rth@redhat.com>
12906 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
12908 2001-01-07 Richard Henderson <rth@redhat.com>
12910 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
12911 NO_SHARED_LIBGCC_MULTILIB as required for the target.
12912 * gcc.c (init_spec): Massage the existing libgcc_spec into a
12913 variant that handles a shared libgcc.
12914 (process_command): Always validate -{static,shared}-libgcc.
12915 (do_spec_1): New 'M' case.
12916 * invoke.text (Link Options): Document -{static,shared}-libgcc.
12918 2001-01-07 Richard Henderson <rth@redhat.com>
12920 * Makefile.in (slibdir): New variable.
12921 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
12922 (installdirs): Create slibdir.
12923 (install-libgcc, install-multilib): Defer to libgcc.mk.
12924 * configure.in (slibdir): Substitute.
12925 * mklibgcc.in (install): New target.
12927 * config/t-linux (SHLIB_LINK): Create links for the soname.
12928 (SHLIB_INSTALL): New.
12929 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
12930 * config/mips/t-iris6 (SHLIB_INSTALL): New.
12931 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
12932 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
12933 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
12935 2001-01-07 Richard Henderson <rth@redhat.com>
12937 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
12938 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
12939 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
12941 2001-01-07 Michael Hayes <mhayes@redhat.com>
12943 * loop.c (count_loop_regs_set): Delete.
12944 (load_mems_and_recount_loop_regs_set): Delete.
12945 (loop_regs_scan): Merge common code from count_loop_regs_set,
12946 scan_loop, and load_mems_and_recount_loop_regs_set.
12947 (scan_loop): Call load_mems directly and loop_regs_scan
12948 again if new registers created.
12950 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12952 * toplev.c (main): Call the front-end specific post_options
12953 hook if one is given.
12954 * toplev.h (struct_lang_hooks, lang_hooks): New.
12955 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
12956 for the C front end.
12957 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
12958 lang_hooks for the C++ front end.
12959 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
12960 lang_hooks for the ObjC front end.
12961 * f/com.c (lang_hooks): Hooks for the Fortran front end.
12962 * java/lang.c (lang_hooks): Hooks for the Java front end.
12964 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
12966 * c-lex.c (init_c_lex): Request #define / #undef callbacks
12967 for verbose DWARF[2] debugging.
12968 (cb_define, cb_undef): The new callbacks.
12969 * toplev.h (debug_define, debug_undef): Make const correct.
12970 * toplev.c (debug_define, debug_undef): Similarly. Do not
12971 perform the verbosity tests here anymore.
12973 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
12975 * reload.c (subst_reloads): Take INSN argument. When
12976 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
12977 * reload.h (subst_reloads): Adjust prototype.
12978 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
12979 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
12980 present in JUMP_INSNs and copy them to JUMP_LABEL.
12981 * flow.c (find_label_refs, find_basic_blocks_1): Skip
12982 JUMP_INSNs and insns with REG_LABELs that are followed by
12983 JUMP_INSNs with the same REG_LABEL.
12984 * sched-rgn.c (is_cfg_nonregular): Likewise.
12985 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
12987 * unroll.c (unroll_loop): Look for REG_LABEL notes in
12989 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
12991 2001-01-06 Richard Henderson <rth@redhat.com>
12993 * loop.c (scan_loop): Use xcalloc for the regs array.
12994 (load_mems_and_recount_loop_regs_set): Zero the new memory
12995 received from xrealloc.
12997 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
12999 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
13001 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
13003 * integrate.c (copy_rtx_and_substitute): When copying
13004 an ignored return value, strip REG_FUNCTION_VALUE_P.
13006 2001-01-06 Michael Hayes <mhayes@redhat.com>
13008 * loop.c (debug_biv, debug_giv): New.
13009 (loop_biv_dump): Break out from ...
13010 (record_biv): ... here.
13011 (loop_giv_dump): Break out from ...
13012 (record_giv): ... here.
13013 (loop_bivs_check): Use print_simple_rtl.
13014 * unroll.c (loop_iterations): Use print_simple_rtl.
13016 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
13018 * pa.md (return, return_internal): Modify patterns to prevent regrename
13019 mucking with the return pointer.
13021 2001-01-05 Richard Henderson <rth@redhat.com>
13023 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
13025 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
13027 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
13028 version supplied by Matteo Frigo.
13030 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
13032 * cpp.texi: Update for -MQ.
13033 * cppinit.c (cpp_create_reader): Always create pfile->deps.
13034 (cpp_cleanup): Always free pfile->deps.
13035 (initialize_dependency_output): Don't create pfile->deps.
13036 (cpp_handle_option): Similarly.
13038 * gcc.c (cpp_options): Handle -MQ.
13039 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
13040 * mkdeps.c (base_name): Remove.
13041 (deps_init): Don't allocate vector space until it's needed.
13042 (deps_free): Only free vectors if allocated.
13043 (deps_add_target, deps_add_dep): Update for initial allocation.
13044 (deps_add_default_target): Don't strip to the base_name.
13046 2001-01-05 DJ Delorie <dj@redhat.com>
13048 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
13049 (INIT_EXPANDERS): Define.
13051 * config/v850/v850.c (struct machine_function): Define.
13052 (v850_save_machine_status): New function.
13053 (v850_restore_machine_status): New function.
13054 (v850_return_addr): New function.
13055 (v850_init_expanders): New function.
13057 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
13058 and v850_init_expanders.
13060 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
13062 * cpplib.h (struct cpp_reader): Add help_only field.
13063 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
13064 (cpp_handle_option): Set pfile->help_only if we see -h,
13065 --help, -target-help, or --version. Print version string but
13066 do not set help_only if we see -v or -version. Make text
13067 printed by -v match that printed by (-)-version.
13069 * cppmain.c (main): Exit after option parsing if
13070 pfile->help_only is true.
13072 * toplev.c (independent_decode_option): Call print_version,
13073 then exit, if we see --version (but not -version).
13074 (print_version): Split lengthy message into two lines.
13076 2001-01-05 Nick Clifton <nickc@redhat.com>
13078 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
13079 temporary string for initialisation before calling ggc_alloc_string.
13081 2001-01-06 Michael Hayes <mhayes@redhat.com>
13083 * rtl.h (print_simple_rtl): New.
13084 * print-rtl.c (print_simple_rtl): New.
13085 (flag_simple): New.
13086 (print_rtx): Disable printing of flags and modes, etc.,
13087 if `flag_simple` nonzero.
13089 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
13091 * function.c (fixup_var_refs): Use push_to_full_sequence where
13094 2001-01-05 Michael Meissner <meissner@redhat.com>
13096 * flags.h (flag_reorder_blocks): Add declaration.
13097 (flag_rename_block): Ditto.
13099 2001-01-05 DJ Delorie <dj@redhat.com>
13101 * function.c (reorder_blocks): Make sure the flags are all reset
13102 before using them to mark blocks, else a second invocation will
13103 corrupt the block chain.
13104 (reorder_blocks_0): New, resets the flags.
13106 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
13108 * cse.c (find_comparison_args): Stop if the argument is known to
13111 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
13113 * config/sh/sh.md (movdf): When splitting load into pair of
13114 registers, don't clobber the register used in the address too
13117 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
13119 * varasm.c (mark_constant_pool): Improve initial comments.
13120 (mark_constants): Move marking of constants to mark_constant.
13121 (mark_constant): New function to recursively mark all constants
13122 referred to by a constant.
13124 2001-01-05 Catherine Moore <clm@redhat.com>
13126 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
13128 2001-01-05 Phil Edwards <pme@sources.redhat.com>
13130 * cp/lang-options.h: Bring comment in line with reality.
13131 * f/lang-options.h: Likewise.
13132 * java/lang-options.h: Likewise.
13133 * objc/lang-options.h: Likewise.
13134 * ch/lang-options.h: Likewise.
13135 * f/g77.texi: And update the manual.
13137 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
13138 Denis Chertykov <denisc@overta.ru>
13140 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
13141 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
13142 * config/avr/avr.md (all peepholes that request a scratch register):
13143 Call it, FAIL the peephole if not safe (in interrupt functions).
13145 2001-01-05 Mark Mitchell <mark@codesourcery.com>
13147 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
13149 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
13151 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
13153 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
13154 BUILT_IN_CREAL and BUILT_IN_CIMAG.
13155 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
13156 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
13157 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
13159 * extend.texi: Document these builtins.
13161 2001-01-05 Daniel Berlin <dberlin@redhat.com>
13163 * c-common.c (lang_get_alias_set): Say we know nothing of
13164 VECTOR_TYPE aliasing.
13166 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
13168 2001-01-05 Bruce Korb <bkorb@gnu.org>
13170 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
13171 their x* equivalent versions for atexit-less systems
13172 * fixinc/fixincl.c(main): do not return from main() on atexit-less
13173 systems (or any other system any more).
13175 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
13177 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
13178 output operands. Use arm_hard_register_operand for operand 4.
13179 (stmsi_postinc): Similarly.
13180 (ldmsi): Use arm_hard_register_operand for opernand 2.
13181 (stmsi): Similarly.
13182 * arm.c (arm_hard_register_operand): New function.
13183 * arm-protos.h (arm_hard_register_operand): Prototype it.
13185 * arm.h (HARD_REGNO_RENAME_OK): Define.
13187 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
13189 * simplify-rtx.c (cfc_args): add "unordered" field.
13190 (check_fold_consts): Set unordered field.
13191 (simplify_relational_operation): Simplify the unordered
13194 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
13197 * emit-rtl.c (try_split): Fix code to mark labels.
13198 * jump.c (mark_jump_label): Make global.
13199 * rtl.h (mark_jump_label): Declare.
13201 * predict.c (estimate_probability): Handle unordred comparisons.
13203 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
13205 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
13206 * cppinit.c (initialize_dependency_output): Update.
13207 (cpp_finish): Output dummy targets for -MP.
13209 (cpp_handle_option): Handle -MP. Don't quote -MT options.
13210 * cpplib.h (struct cpp_options): Add deps_phony_targets.
13211 * gcc.c (cpp_options): Update to handle -MP.
13212 * mkdeps.c (deps_add_target, deps_add_default_target): Update
13213 to quote only the default target.
13214 (deps_phony_targets): Insert a preceding newline. Rename from
13215 deps_dummy_targets for consistency.
13218 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
13220 * calls.c (emit_library_call_value_1): Support
13221 INIT_CUMULATIVE_LIBCALL_ARGS.
13222 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
13224 2001-01-04 Richard Henderson <rth@redhat.com>
13226 * c-decl.c (finish_struct): Detect flexible array members
13227 used in an inappropriate context.
13228 * c-typeck.c (really_start_incremental_init): Special case
13229 constructor_max_index for zero length arrays.
13230 (pop_init_level): Allow initialization of flexible array
13231 members. Deprecate initialization of zero length arrays.
13232 Don't issue missing initializer warning for flexible array
13233 members or zero length arrays.
13234 (process_init_element): Don't dereference null DECL_SIZE.
13235 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
13236 Don't abort for empty constructors. Use size_binop
13237 (output_constructor): Add commentary regarding zero length
13238 array futures. Abort if we try to initialize an array of
13239 unspecified length with a non-empty constructor in the middle
13242 * extend.texi (Zero Length): Update and clarify documentation
13243 on static initialization.
13245 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13247 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
13248 with more than 32767 words of local storage.
13250 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
13252 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
13253 for 'abs', 'labs', and 'fabs'.
13254 (c4x_expand_builtin): Likewise.
13255 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
13257 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
13259 * config/sh/sh.md (prget, prset): New insn types.
13260 (return delay slot): Dont' allow prset.
13261 (call, sfunc delay slot): Don't allow prget.
13262 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
13263 for prset and prget.
13265 2001-01-05 Michael Hayes <mhayes@redhat.com>
13267 * loop.h (struct loop_reg): New.
13268 (struct loop_regs): Change to use array of `struct loop_reg'.
13269 * loop.c: Replace assortment of varrays with single regs array.
13270 (count_one_set): Delete may_not_move array argument
13271 and use regs array instead. All caller's changed.
13272 (count_loop_regs_set): Delete may_not_move and single_usage
13273 arguments and use regs array instead. All caller's changed.
13274 (find_single_use_in_loop): Replace usage array argument with pointer
13275 to regs structure. All caller's changed.
13276 (loop_optimize): Delete `moved_once' array.
13278 2001-01-05 Michael Hayes <mhayes@redhat.com>
13280 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
13281 Use it instead of loop_info->has_call for scanning loop mems.
13282 (check_dbra_loop): Replace loop_info->has_call test with
13283 loop_info->has_nonconst_call.
13285 2000-01-04 Matthew Hiller <hiller@redhat.com>
13287 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
13290 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
13292 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
13293 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
13295 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
13297 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
13298 (flag_short_double, flag_short_wchar): Define.
13299 (c_common_nodes_and_builtins): Create many tree nodes shared
13300 between C and C++ here instead of in cp/decl.c and ...
13301 * c-decl.c (init_decl_processing): ... here.
13302 (SIZE_TYPE, WCHAR_TYPE): Don't define.
13303 (flag_short_double, flag_short_wchar): Don't define.
13304 (record_builtin_type): New function.
13305 (build_void_list_node): New function.
13306 * c-common.h (flag_short_double, flag_short_wchar,
13307 record_builtin_type, build_void_list_node): Declare.
13309 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
13311 * integrate.c (expand_inline_function): Don't put a virtual
13312 register into the reg map.
13314 * function.c (fixup_var_refs_1): If force_operand didn't put
13315 the address into the target, move it there.
13317 2001-01-04 Mark Mitchell <mark@codesourcery.com>
13319 Special-case tree_decl/tree_list allocations.
13320 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
13321 (OBJECT_SIZE): New macro.
13322 (NUM_EXTRA_ORDER): Likewise.
13323 (extra_order_size_table): New variable.
13324 (NUM_ORDERS): New macro.
13325 (objects_per_page_table): New variable.
13326 (object_size_table): New variable.
13327 (G.pages): Use NUM_ORDERS to bound the array.
13328 (G.page_tails): Likewise.
13329 (DIV_ROUND_UP): Remove.
13330 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
13331 (alloc_page): Use OBJECT_SIZE.
13332 (size_lookup): Don't make it const.
13333 (ggc_alloc): Use OBJECT_SIZE.
13334 (ggc_set_mark): Likewise.
13335 (ggc_get_size): Likewise.
13336 (init_ggc): Set up the object_size_table, objects_per_page_table,
13337 and adjust size_lookup.
13338 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
13339 (ggc_pop_context): Use NUM_ORDERS.
13340 (clear_marks): Likewise.
13341 (sweep_pages): Likewise.
13342 (poison_pages): Likewise.
13343 (ggc_print_statistics): Use OBJECT_SIZE.
13345 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13347 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
13348 Only call array_size_for_constructor if last field and array type
13349 with no upper bound.
13351 2001-01-04 Philip Blundell <philb@gnu.org>
13353 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
13354 from bit 31 downwards, if this requires no more insns.
13355 (count_insns_for_constant): New helper function for above.
13357 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
13359 * gencodes.c (output_predicate_decls): Remove empty initializer.
13361 2001-01-04 Mark Mitchell <mark@codesourcery.com>
13363 * tree.c (copy_node): Remove documentation about obstacks.
13364 (buidl1): Check that nobody tries to build 2-argument nodes this
13367 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13369 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
13372 * gencodes.c (output_predicate_decls): Fill empty initializer
13375 2001-01-04 Jakub Jelinek <jakub@redhat.com>
13377 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
13378 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
13380 (do_include): Handle missing headers like cpp0.
13381 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
13382 paths with first include pathname. Don't strcat to uninitialized
13385 2001-01-04 Bernd Schmidt <bernds@redhat.com>
13387 * regrename.c (regrename_optimize): Don't rename from frame pointer
13388 if frame_pointer_needed.
13389 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
13390 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
13391 (ia64_reorg): Use it instead of scheduling if ! optimize.
13392 (errata_emit_nops): Properly call asm_noperands.
13393 (ia64_sched_reorder): Finish cycle if we see an asm.
13394 (ia64_variable_issue): Clear scheduling state after asms.
13396 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
13398 * cpp.texi: Update for -MT.
13399 * cppinit.c (initialize_dependency_output): Add a default
13400 target if none has been given already.
13401 (no_tgt, OPT_MT): New.
13402 (cpp_handle_option): Handle -MT. Update -M etc.
13403 * cpplib.h (struct cpp_options): Remove deps_target.
13404 * gcc.c (cpp_options): Handle -MT.
13405 * mkdeps.c (struct deps): Move from mkdeps.h.
13406 (deps_calc_target): Rename deps_add_default_target. Add a
13407 default target if none has been specified already.
13408 * mkdeps.h (struct deps): Move to mkdeps.c.
13409 (deps_calc_target): Rename deps_add_default_target.
13411 2000-01-03 Richard Henderson <rth@redhat.com>
13413 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
13415 * c-typeck.c (push_init_level): Move checks for flexible array
13416 members and zero length arrays ...
13417 (pop_init_level): ... here. Silently discard empty initializations.
13419 * varasm.c (output_constructor): Update for sizeof change to
13420 zero-length arrays.
13422 * extend.texi (Zero Length): Clarify semantics.
13424 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
13426 * configure.in (tm.h): Include isns-codes.h last.
13427 * configure: Rebuilt.
13429 2001-01-03 Richard Henderson <rth@redhat.com>
13431 * config/alpha/alpha.md (addvsi3, addvdi3): New.
13432 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
13434 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
13436 * tradcpp.c (main): Make sure finclude() is called with a valid
13437 indepth value while handling -include.
13439 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
13441 * gencodes.c (output_predicate_decls): New function.
13443 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
13444 even if it is not the first time machmode.h is #included.
13445 * config/sh/sh.c (fpul_operand): Declare MODE argument.
13446 * tm.texi (PREDICATE_CODES): Document predicate declarations.
13447 * gcc.texi (Copyright): Added 2001.
13449 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
13451 * c-common.c (c_common_lang_init): New function. Warn if format
13452 warning options which only have effects when used with -Wformat
13453 are used without -Wformat.
13454 * c-common.h (c_common_lang_init): Declare.
13455 * c-lang.c (lang_init): Call c_common_lang_init.
13456 * objc/objc-act.c (lang_init): Call c_common_lang_init.
13458 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
13460 * configure.in: Check for the mktemp command.
13461 * configure: Regenerate.
13462 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
13463 $TEMP. Create temporary files with mktemp, if available at
13464 configure time; otherwise use set -C. Remove temporary files
13467 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
13469 * configure.in: Require at least texinfo 4.0. Check for whether
13470 Pod::Man is sufficiently recent to regenerate GCC manpages.
13471 * configure: Regenerate.
13472 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
13474 (GENERATED_MANPAGES): Define.
13475 (generated-manpages): New target. Depend on cpp.1 as well as
13477 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
13478 configure to generated-manpages or empty) rather than on the
13479 manpages directly. Remove execute permission from installed
13480 gcov.1 as well as cpp.1.
13481 * cpp.1, gcov.1: Regenerate.
13483 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13485 * builtins.c (expand_builtin_strncmp): Use host_integerp and
13486 tree_low_cst. Allow using cmpstrsi in more cases.
13488 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13490 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
13493 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
13495 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
13496 * Makefile.in (HOST_CFLAGS): Mention build-make.
13498 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13500 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
13503 2001-01-01 Bernd Schmidt <bernds@redhat.com>
13505 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
13508 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
13511 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
13512 reg_base_value and reg_known_value arrays.
13513 (init_alias_analysis): Add more cases to detect known values.
13514 * sched-deps.c (deps_may_trap_p): New function.
13515 (sched_analyze_2): Use it.
13517 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
13519 * combine.c (simplify_shift_const): Even if we're sign-extracting,
13520 don't discard an ASHIFTRT if we're shifting in a wider mode.
13522 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
13524 * toplev.c (rest_of_compilation): Don't print basic block information
13525 when CFG isn't up to date.
13527 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
13529 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
13530 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
13531 (UNALIGNED_SHORT_ASM_OP): Define.
13532 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
13534 2001-01-02 Mark Mitchell <mark@codesourcery.com>
13536 * fold-const.c (fold_convert): Fix typo.
13538 2001-01-02 Richard Henderson <rth@redhat.com>
13540 * c-common.h (ASM_INPUT_P): New.
13541 * c-parse.in (asm): Set it when needed.
13542 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
13543 existance of an operand.
13545 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
13547 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
13548 (dwarf2out_frame_debug_expr): Likewise.
13549 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
13551 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
13553 * i386.c (ix86_split_to_parts): Return number of part required;
13555 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
13557 (ix86_split_long_move): Use number of part returned
13558 by ix86_split_to_parts
13559 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
13561 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
13562 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
13563 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
13564 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
13565 (ALIGN_MODE_128): Add TFmode.
13566 (IS_STACK_MODE): Likewise.
13567 (HARD_REGNO_NREGS): TFmode needs 3 registers.
13568 (HARD_REGNO_OK): Support TFmodes.
13569 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
13570 * i386.md (scheduler definitions): Use memory operand to determine
13571 fst/fld instructions; use mode attribute to determine real mode of
13573 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
13574 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
13576 2001-01-02 Mark Mitchell <mark@codesourcery.com>
13578 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
13580 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
13582 * expr.c (store_constructor_field): Update ALIGN before calling
13585 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
13587 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
13590 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
13592 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
13595 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
13597 * c-decl.c (start_function): Don't warn on third parameter to main.
13599 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13601 * tsystem.h: Define HAVE_DECL_GETOPT.
13603 2001-01-02 Philip Blundell <pb@futuretv.com>
13605 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
13608 2001-01-02 Richard Henderson <rth@redhat.com>
13610 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
13612 2001-01-02 Andreas Jaeger <aj@suse.de>
13614 * c-decl.c (c_decode_option): Remove support of
13615 -Wmissing-noreturn.
13617 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
13618 (W_options): Add -Wmissing-noreturn here.
13620 * flow.c: Define lang_missing_noreturn_ok_p.
13621 (check_function_return_warnings): Use it.
13623 * c-common.h: Declare lang_missing_noreturn_ok_p.
13625 * c-lang.c (c_missing_noreturn_ok_p): New function.
13626 (lang_init): Set lang_missing_noreturn_ok_p.
13628 * invoke.texi (Warning Options): Document this.
13630 2000-12-27 Phil Edwards <pme@sources.redhat.com>
13632 * extend.texi (C++ Extensions): New node for C++ attributes;
13633 describe init_priority and com_interface.
13634 * invoke.texi: Remove -finit-priority as it now has zero effect.
13635 * install.texi: Fix xref syntax.
13636 * md.texi: Likewise.
13638 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13640 * config.gcc (sparc64-wrs-vxworks*): New case.
13641 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
13643 * config/sparc/sparc.c (sparc_override_options): Do support different
13644 pointer and architecture size.
13645 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
13646 (POINTERS_EXTEND_UNSIGNED): Define.
13647 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
13648 (FUNCTION_MODE): Define to be Pmode.
13649 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
13651 * function.c (expand_function_end): Properly handle DECL_RESULT
13652 and copy when ptr_mode != Pmode.
13653 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
13655 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13657 * c-common.c (c_common_nodes_and_builtins): Set prototype
13658 parameters for __builtin_fputs, __builtin_fputc and
13659 __builtin_fwrite. Don't declare plain fputc as a builtin.
13661 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
13663 * loop.c (add_label_notes): Increment the label usage count when
13664 a note is added to an insn which refers to a CODE_LABEL.
13665 * gcse.c (add_label_notes): Likewise.
13667 2001-01-01 Andreas Jaeger <aj@suse.de>
13669 * loop.c (scan_loop): Use xmalloc to allocate movables.
13671 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
13673 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
13674 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
13675 * reload1.c (REGISTER_MOVE_COST): Likewise.
13676 * regclass.c (REGISTER_MOVE_COST): Likewise.
13677 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
13678 dimension. Adjust all users.
13679 (init_reg_sets_1): Iterate on all modes.
13680 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
13681 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
13682 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
13683 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
13684 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
13685 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
13686 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
13687 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
13688 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
13689 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
13690 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
13691 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
13692 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
13693 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
13694 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
13695 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
13696 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
13697 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
13698 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
13699 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
13700 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
13701 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
13702 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
13703 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
13704 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
13705 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
13706 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
13708 2001-01-01 Bernd Schmidt <bernds@redhat.com>
13710 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
13711 arg VARIES_P. Call it with extra arg.
13712 (true_dependence): Likewise.
13713 * rtl.h (rtx_addr_can_trap_p): Declare.
13714 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
13716 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
13717 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
13718 pic offset table register if it's zero. All callers changed.
13719 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
13721 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
13723 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
13724 STRING_POOL_ADDRESS_P.
13726 * config/sparc/sparc.c (input_operand): Properly test for short op.
13728 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
13729 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
13730 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
13731 * config/sparc/elf.h: No longer include sol2.h.
13732 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
13733 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
13735 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
13737 2001-01-01 Michael Hayes <mhayes@redhat.com>
13739 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
13740 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
13741 (record_initial): Likewise.
13742 * unroll.c (copy_loop_body, loop_iterations): Likewise.
13743 (remap_split_bivs): Likewise.
13745 2001-01-01 Michael Hayes <mhayes@redhat.com>
13747 * loop.c (loop_ivs_free): New function.
13748 (strength_reduce): Break out from...
13750 2001-01-01 Michael Hayes <mhayes@redhat.com>
13752 * loop.h (struct iv): New.
13753 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
13754 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
13755 'reg_biv_class' fields with 'regs' and 'n_regs'.
13756 (struct ivs): Rename 'loop_iv_list' field to 'list'.
13757 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
13758 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
13760 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
13762 * resource.c (mark_referenced_resources): Abort() before
13763 attempting to mark a pseudo register.
13764 (mark_set_resources): Likewise.
13766 2001-01-01 Michael Hayes <mhayes@redhat.com>
13768 * loop.h (REG_IV_CLASS): New accessor macro.
13769 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
13770 * unroll.c (REG_IV_CLASS): Likewise.
13772 See ChangeLog.4 for earlier changes.